diff options
Diffstat (limited to 'drivers/scsi/bfa')
195 files changed, 49171 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/Makefile b/drivers/scsi/bfa/Makefile new file mode 100644 index 000000000000..1d6009490d1c --- /dev/null +++ b/drivers/scsi/bfa/Makefile @@ -0,0 +1,15 @@ +obj-$(CONFIG_SCSI_BFA_FC) := bfa.o + +bfa-y := bfad.o bfad_intr.o bfad_os.o bfad_im.o bfad_attr.o bfad_fwimg.o + +bfa-y += bfa_core.o bfa_ioc.o bfa_iocfc.o bfa_fcxp.o bfa_lps.o +bfa-y += bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o +bfa-y += bfa_fcport.o bfa_port.o bfa_uf.o bfa_sgpg.o bfa_module.o bfa_ioim.o +bfa-y += bfa_itnim.o bfa_fcpim.o bfa_tskim.o bfa_log.o bfa_log_module.o +bfa-y += bfa_csdebug.o bfa_sm.o plog.o + +bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o +bfa-y += bfa_fcs_uf.o bfa_fcs_lport.o fab.o fdmi.o ms.o ns.o scn.o loop.o +bfa-y += lport_api.o n2n.o rport.o rport_api.o rport_ftrs.o vport.o + +ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna diff --git a/drivers/scsi/bfa/bfa_callback_priv.h b/drivers/scsi/bfa/bfa_callback_priv.h new file mode 100644 index 000000000000..1e3265c9f7d4 --- /dev/null +++ b/drivers/scsi/bfa/bfa_callback_priv.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_CALLBACK_PRIV_H__ +#define __BFA_CALLBACK_PRIV_H__ + +#include <cs/bfa_q.h> + +typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete); + +/** + * Generic BFA callback element. + */ +struct bfa_cb_qe_s { + struct list_head qe; + bfa_cb_cbfn_t cbfn; + bfa_boolean_t once; + u32 rsvd; + void *cbarg; +}; + +#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do { \ + (__hcb_qe)->cbfn = (__cbfn); \ + (__hcb_qe)->cbarg = (__cbarg); \ + list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \ +} while (0) + +#define bfa_cb_dequeue(__hcb_qe) list_del(&(__hcb_qe)->qe) + +#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do { \ + (__hcb_qe)->cbfn = (__cbfn); \ + (__hcb_qe)->cbarg = (__cbarg); \ + if (!(__hcb_qe)->once) { \ + list_add_tail((__hcb_qe), &(__bfa)->comp_q); \ + (__hcb_qe)->once = BFA_TRUE; \ + } \ +} while (0) + +#define bfa_cb_queue_done(__hcb_qe) do { \ + (__hcb_qe)->once = BFA_FALSE; \ +} while (0) + +#endif /* __BFA_CALLBACK_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_cb_ioim_macros.h b/drivers/scsi/bfa/bfa_cb_ioim_macros.h new file mode 100644 index 000000000000..0050c838c358 --- /dev/null +++ b/drivers/scsi/bfa/bfa_cb_ioim_macros.h @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_cb_ioim_macros.h BFA IOIM driver interface macros. + */ + +#ifndef __BFA_HCB_IOIM_MACROS_H__ +#define __BFA_HCB_IOIM_MACROS_H__ + +#include <bfa_os_inc.h> +/* + * #include <linux/dma-mapping.h> + * + * #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include + * <scsi/scsi_device.h> #include <scsi/scsi_host.h> + */ +#include "bfad_im_compat.h" + +/* + * task attribute values in FCP-2 FCP_CMND IU + */ +#define SIMPLE_Q 0 +#define HEAD_OF_Q 1 +#define ORDERED_Q 2 +#define ACA_Q 4 +#define UNTAGGED 5 + +static inline lun_t +bfad_int_to_lun(u32 luno) +{ + union { + u16 scsi_lun[4]; + lun_t bfa_lun; + } lun; + + lun.bfa_lun = 0; + lun.scsi_lun[0] = bfa_os_htons(luno); + + return (lun.bfa_lun); +} + +/** + * Get LUN for the I/O request + */ +#define bfa_cb_ioim_get_lun(__dio) \ + bfad_int_to_lun(((struct scsi_cmnd *)__dio)->device->lun) + +/** + * Get CDB for the I/O request + */ +static inline u8 * +bfa_cb_ioim_get_cdb(struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + + return ((u8 *) cmnd->cmnd); +} + +/** + * Get I/O direction (read/write) for the I/O request + */ +static inline enum fcp_iodir +bfa_cb_ioim_get_iodir(struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + enum dma_data_direction dmadir; + + dmadir = cmnd->sc_data_direction; + if (dmadir == DMA_TO_DEVICE) + return FCP_IODIR_WRITE; + else if (dmadir == DMA_FROM_DEVICE) + return FCP_IODIR_READ; + else + return FCP_IODIR_NONE; +} + +/** + * Get IO size in bytes for the I/O request + */ +static inline u32 +bfa_cb_ioim_get_size(struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + + return (scsi_bufflen(cmnd)); +} + +/** + * Get timeout for the I/O request + */ +static inline u8 +bfa_cb_ioim_get_timeout(struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + /* + * TBD: need a timeout for scsi passthru + */ + if (cmnd->device->host == NULL) + return 4; + + return 0; +} + +/** + * Get SG element for the I/O request given the SG element index + */ +static inline union bfi_addr_u +bfa_cb_ioim_get_sgaddr(struct bfad_ioim_s *dio, int sgeid) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct scatterlist *sge; + u64 addr; + + sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid; + addr = (u64) sg_dma_address(sge); + + return (*(union bfi_addr_u *) &addr); +} + +static inline u32 +bfa_cb_ioim_get_sglen(struct bfad_ioim_s *dio, int sgeid) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct scatterlist *sge; + u32 len; + + sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid; + len = sg_dma_len(sge); + + return len; +} + +/** + * Get Command Reference Number for the I/O request. 0 if none. + */ +static inline u8 +bfa_cb_ioim_get_crn(struct bfad_ioim_s *dio) +{ + return 0; +} + +/** + * Get SAM-3 priority for the I/O request. 0 is default. + */ +static inline u8 +bfa_cb_ioim_get_priority(struct bfad_ioim_s *dio) +{ + return 0; +} + +/** + * Get task attributes for the I/O request. Default is FCP_TASK_ATTR_SIMPLE(0). + */ +static inline u8 +bfa_cb_ioim_get_taskattr(struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + u8 task_attr = UNTAGGED; + + if (cmnd->device->tagged_supported) { + switch (cmnd->tag) { + case HEAD_OF_QUEUE_TAG: + task_attr = HEAD_OF_Q; + break; + case ORDERED_QUEUE_TAG: + task_attr = ORDERED_Q; + break; + default: + task_attr = SIMPLE_Q; + break; + } + } + + return task_attr; +} + +/** + * Get CDB length in bytes for the I/O request. Default is FCP_CMND_CDB_LEN(16). + */ +static inline u8 +bfa_cb_ioim_get_cdblen(struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + + return (cmnd->cmd_len); +} + + + +#endif /* __BFA_HCB_IOIM_MACROS_H__ */ diff --git a/drivers/scsi/bfa/bfa_cee.c b/drivers/scsi/bfa/bfa_cee.c new file mode 100644 index 000000000000..7a959c34e789 --- /dev/null +++ b/drivers/scsi/bfa/bfa_cee.c @@ -0,0 +1,492 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <defs/bfa_defs_cee.h> +#include <cs/bfa_trc.h> +#include <cs/bfa_log.h> +#include <cs/bfa_debug.h> +#include <cee/bfa_cee.h> +#include <bfi/bfi_cee.h> +#include <bfi/bfi.h> +#include <bfa_ioc.h> +#include <cna/bfa_cna_trcmod.h> + +BFA_TRC_FILE(CNA, CEE); + +#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) +#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc) + +static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg); +static void bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s + *dcbcx_stats); +static void bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s + *lldp_stats); +static void bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats); +static void bfa_cee_format_cee_cfg(void *buffer); +static void bfa_cee_format_cee_stats(void *buffer); + +static void +bfa_cee_format_cee_stats(void *buffer) +{ + struct bfa_cee_stats_s *cee_stats = buffer; + bfa_cee_format_dcbcx_stats(&cee_stats->dcbx_stats); + bfa_cee_format_lldp_stats(&cee_stats->lldp_stats); + bfa_cee_format_cfg_stats(&cee_stats->cfg_stats); +} + +static void +bfa_cee_format_cee_cfg(void *buffer) +{ + struct bfa_cee_attr_s *cee_cfg = buffer; + bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote); +} + +static void +bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s *dcbcx_stats) +{ + dcbcx_stats->subtlvs_unrecognized = + bfa_os_ntohl(dcbcx_stats->subtlvs_unrecognized); + dcbcx_stats->negotiation_failed = + bfa_os_ntohl(dcbcx_stats->negotiation_failed); + dcbcx_stats->remote_cfg_changed = + bfa_os_ntohl(dcbcx_stats->remote_cfg_changed); + dcbcx_stats->tlvs_received = bfa_os_ntohl(dcbcx_stats->tlvs_received); + dcbcx_stats->tlvs_invalid = bfa_os_ntohl(dcbcx_stats->tlvs_invalid); + dcbcx_stats->seqno = bfa_os_ntohl(dcbcx_stats->seqno); + dcbcx_stats->ackno = bfa_os_ntohl(dcbcx_stats->ackno); + dcbcx_stats->recvd_seqno = bfa_os_ntohl(dcbcx_stats->recvd_seqno); + dcbcx_stats->recvd_ackno = bfa_os_ntohl(dcbcx_stats->recvd_ackno); +} + +static void +bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s *lldp_stats) +{ + lldp_stats->frames_transmitted = + bfa_os_ntohl(lldp_stats->frames_transmitted); + lldp_stats->frames_aged_out = bfa_os_ntohl(lldp_stats->frames_aged_out); + lldp_stats->frames_discarded = + bfa_os_ntohl(lldp_stats->frames_discarded); + lldp_stats->frames_in_error = bfa_os_ntohl(lldp_stats->frames_in_error); + lldp_stats->frames_rcvd = bfa_os_ntohl(lldp_stats->frames_rcvd); + lldp_stats->tlvs_discarded = bfa_os_ntohl(lldp_stats->tlvs_discarded); + lldp_stats->tlvs_unrecognized = + bfa_os_ntohl(lldp_stats->tlvs_unrecognized); +} + +static void +bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats) +{ + cfg_stats->cee_status_down = bfa_os_ntohl(cfg_stats->cee_status_down); + cfg_stats->cee_status_up = bfa_os_ntohl(cfg_stats->cee_status_up); + cfg_stats->cee_hw_cfg_changed = + bfa_os_ntohl(cfg_stats->cee_hw_cfg_changed); + cfg_stats->recvd_invalid_cfg = + bfa_os_ntohl(cfg_stats->recvd_invalid_cfg); +} + +static void +bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg) +{ + lldp_cfg->time_to_interval = bfa_os_ntohs(lldp_cfg->time_to_interval); + lldp_cfg->enabled_system_cap = + bfa_os_ntohs(lldp_cfg->enabled_system_cap); +} + +/** + * bfa_cee_attr_meminfo() + * + * + * @param[in] void + * + * @return Size of DMA region + */ +static u32 +bfa_cee_attr_meminfo(void) +{ + return BFA_ROUNDUP(sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ); +} + +/** + * bfa_cee_stats_meminfo() + * + * + * @param[in] void + * + * @return Size of DMA region + */ +static u32 +bfa_cee_stats_meminfo(void) +{ + return BFA_ROUNDUP(sizeof(struct bfa_cee_stats_s), BFA_DMA_ALIGN_SZ); +} + +/** + * bfa_cee_get_attr_isr() + * + * + * @param[in] cee - Pointer to the CEE module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_cee_get_attr_isr(struct bfa_cee_s *cee, bfa_status_t status) +{ + cee->get_attr_status = status; + bfa_trc(cee, 0); + if (status == BFA_STATUS_OK) { + bfa_trc(cee, 0); + /* + * The requested data has been copied to the DMA area, *process + * it. + */ + memcpy(cee->attr, cee->attr_dma.kva, + sizeof(struct bfa_cee_attr_s)); + bfa_cee_format_cee_cfg(cee->attr); + } + cee->get_attr_pending = BFA_FALSE; + if (cee->cbfn.get_attr_cbfn) { + bfa_trc(cee, 0); + cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status); + } + bfa_trc(cee, 0); +} + +/** + * bfa_cee_get_attr_isr() + * + * + * @param[in] cee - Pointer to the CEE module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_cee_get_stats_isr(struct bfa_cee_s *cee, bfa_status_t status) +{ + cee->get_stats_status = status; + bfa_trc(cee, 0); + if (status == BFA_STATUS_OK) { + bfa_trc(cee, 0); + /* + * The requested data has been copied to the DMA area, process + * it. + */ + memcpy(cee->stats, cee->stats_dma.kva, + sizeof(struct bfa_cee_stats_s)); + bfa_cee_format_cee_stats(cee->stats); + } + cee->get_stats_pending = BFA_FALSE; + bfa_trc(cee, 0); + if (cee->cbfn.get_stats_cbfn) { + bfa_trc(cee, 0); + cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status); + } + bfa_trc(cee, 0); +} + +/** + * bfa_cee_get_attr_isr() + * + * + * @param[in] cee - Pointer to the CEE module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_cee_reset_stats_isr(struct bfa_cee_s *cee, bfa_status_t status) +{ + cee->reset_stats_status = status; + cee->reset_stats_pending = BFA_FALSE; + if (cee->cbfn.reset_stats_cbfn) + cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status); +} + +/** + * bfa_cee_meminfo() + * + * + * @param[in] void + * + * @return Size of DMA region + */ +u32 +bfa_cee_meminfo(void) +{ + return (bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo()); +} + +/** + * bfa_cee_mem_claim() + * + * + * @param[in] cee CEE module pointer + * dma_kva Kernel Virtual Address of CEE DMA Memory + * dma_pa Physical Address of CEE DMA Memory + * + * @return void + */ +void +bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, u64 dma_pa) +{ + cee->attr_dma.kva = dma_kva; + cee->attr_dma.pa = dma_pa; + cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo(); + cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo(); + cee->attr = (struct bfa_cee_attr_s *)dma_kva; + cee->stats = + (struct bfa_cee_stats_s *)(dma_kva + bfa_cee_attr_meminfo()); +} + +/** + * bfa_cee_get_attr() + * + * Send the request to the f/w to fetch CEE attributes. + * + * @param[in] Pointer to the CEE module data structure. + * + * @return Status + */ + +bfa_status_t +bfa_cee_get_attr(struct bfa_cee_s *cee, struct bfa_cee_attr_s *attr, + bfa_cee_get_attr_cbfn_t cbfn, void *cbarg) +{ + struct bfi_cee_get_req_s *cmd; + + bfa_assert((cee != NULL) && (cee->ioc != NULL)); + bfa_trc(cee, 0); + if (!bfa_ioc_is_operational(cee->ioc)) { + bfa_trc(cee, 0); + return BFA_STATUS_IOC_FAILURE; + } + if (cee->get_attr_pending == BFA_TRUE) { + bfa_trc(cee, 0); + return BFA_STATUS_DEVBUSY; + } + cee->get_attr_pending = BFA_TRUE; + cmd = (struct bfi_cee_get_req_s *)cee->get_cfg_mb.msg; + cee->attr = attr; + cee->cbfn.get_attr_cbfn = cbfn; + cee->cbfn.get_attr_cbarg = cbarg; + bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ, + bfa_ioc_portid(cee->ioc)); + bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa); + bfa_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb); + bfa_trc(cee, 0); + + return BFA_STATUS_OK; +} + +/** + * bfa_cee_get_stats() + * + * Send the request to the f/w to fetch CEE statistics. + * + * @param[in] Pointer to the CEE module data structure. + * + * @return Status + */ + +bfa_status_t +bfa_cee_get_stats(struct bfa_cee_s *cee, struct bfa_cee_stats_s *stats, + bfa_cee_get_stats_cbfn_t cbfn, void *cbarg) +{ + struct bfi_cee_get_req_s *cmd; + + bfa_assert((cee != NULL) && (cee->ioc != NULL)); + + if (!bfa_ioc_is_operational(cee->ioc)) { + bfa_trc(cee, 0); + return BFA_STATUS_IOC_FAILURE; + } + if (cee->get_stats_pending == BFA_TRUE) { + bfa_trc(cee, 0); + return BFA_STATUS_DEVBUSY; + } + cee->get_stats_pending = BFA_TRUE; + cmd = (struct bfi_cee_get_req_s *)cee->get_stats_mb.msg; + cee->stats = stats; + cee->cbfn.get_stats_cbfn = cbfn; + cee->cbfn.get_stats_cbarg = cbarg; + bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_STATS_REQ, + bfa_ioc_portid(cee->ioc)); + bfa_dma_be_addr_set(cmd->dma_addr, cee->stats_dma.pa); + bfa_ioc_mbox_queue(cee->ioc, &cee->get_stats_mb); + bfa_trc(cee, 0); + + return BFA_STATUS_OK; +} + +/** + * bfa_cee_reset_stats() + * + * + * @param[in] Pointer to the CEE module data structure. + * + * @return Status + */ + +bfa_status_t +bfa_cee_reset_stats(struct bfa_cee_s *cee, bfa_cee_reset_stats_cbfn_t cbfn, + void *cbarg) +{ + struct bfi_cee_reset_stats_s *cmd; + + bfa_assert((cee != NULL) && (cee->ioc != NULL)); + if (!bfa_ioc_is_operational(cee->ioc)) { + bfa_trc(cee, 0); + return BFA_STATUS_IOC_FAILURE; + } + if (cee->reset_stats_pending == BFA_TRUE) { + bfa_trc(cee, 0); + return BFA_STATUS_DEVBUSY; + } + cee->reset_stats_pending = BFA_TRUE; + cmd = (struct bfi_cee_reset_stats_s *)cee->reset_stats_mb.msg; + cee->cbfn.reset_stats_cbfn = cbfn; + cee->cbfn.reset_stats_cbarg = cbarg; + bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_RESET_STATS, + bfa_ioc_portid(cee->ioc)); + bfa_ioc_mbox_queue(cee->ioc, &cee->reset_stats_mb); + bfa_trc(cee, 0); + return BFA_STATUS_OK; +} + +/** + * bfa_cee_isrs() + * + * + * @param[in] Pointer to the CEE module data structure. + * + * @return void + */ + +void +bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m) +{ + union bfi_cee_i2h_msg_u *msg; + struct bfi_cee_get_rsp_s *get_rsp; + struct bfa_cee_s *cee = (struct bfa_cee_s *)cbarg; + msg = (union bfi_cee_i2h_msg_u *)m; + get_rsp = (struct bfi_cee_get_rsp_s *)m; + bfa_trc(cee, msg->mh.msg_id); + switch (msg->mh.msg_id) { + case BFI_CEE_I2H_GET_CFG_RSP: + bfa_trc(cee, get_rsp->cmd_status); + bfa_cee_get_attr_isr(cee, get_rsp->cmd_status); + break; + case BFI_CEE_I2H_GET_STATS_RSP: + bfa_cee_get_stats_isr(cee, get_rsp->cmd_status); + break; + case BFI_CEE_I2H_RESET_STATS_RSP: + bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status); + break; + default: + bfa_assert(0); + } +} + +/** + * bfa_cee_hbfail() + * + * + * @param[in] Pointer to the CEE module data structure. + * + * @return void + */ + +void +bfa_cee_hbfail(void *arg) +{ + struct bfa_cee_s *cee; + cee = (struct bfa_cee_s *)arg; + + if (cee->get_attr_pending == BFA_TRUE) { + cee->get_attr_status = BFA_STATUS_FAILED; + cee->get_attr_pending = BFA_FALSE; + if (cee->cbfn.get_attr_cbfn) { + cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, + BFA_STATUS_FAILED); + } + } + if (cee->get_stats_pending == BFA_TRUE) { + cee->get_stats_status = BFA_STATUS_FAILED; + cee->get_stats_pending = BFA_FALSE; + if (cee->cbfn.get_stats_cbfn) { + cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, + BFA_STATUS_FAILED); + } + } + if (cee->reset_stats_pending == BFA_TRUE) { + cee->reset_stats_status = BFA_STATUS_FAILED; + cee->reset_stats_pending = BFA_FALSE; + if (cee->cbfn.reset_stats_cbfn) { + cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, + BFA_STATUS_FAILED); + } + } +} + +/** + * bfa_cee_attach() + * + * + * @param[in] cee - Pointer to the CEE module data structure + * ioc - Pointer to the ioc module data structure + * dev - Pointer to the device driver module data structure + * The device driver specific mbox ISR functions have + * this pointer as one of the parameters. + * trcmod - + * logmod - + * + * @return void + */ +void +bfa_cee_attach(struct bfa_cee_s *cee, struct bfa_ioc_s *ioc, void *dev, + struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod) +{ + bfa_assert(cee != NULL); + cee->dev = dev; + cee->trcmod = trcmod; + cee->logmod = logmod; + cee->ioc = ioc; + + bfa_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee); + bfa_ioc_hbfail_init(&cee->hbfail, bfa_cee_hbfail, cee); + bfa_ioc_hbfail_register(cee->ioc, &cee->hbfail); + bfa_trc(cee, 0); +} + +/** + * bfa_cee_detach() + * + * + * @param[in] cee - Pointer to the CEE module data structure + * + * @return void + */ +void +bfa_cee_detach(struct bfa_cee_s *cee) +{ + /* + * For now, just check if there is some ioctl pending and mark that as + * failed? + */ + /* bfa_cee_hbfail(cee); */ +} diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c new file mode 100644 index 000000000000..44e2d1155c51 --- /dev/null +++ b/drivers/scsi/bfa/bfa_core.c @@ -0,0 +1,402 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <defs/bfa_defs_pci.h> +#include <cs/bfa_debug.h> +#include <bfa_iocfc.h> + +#define DEF_CFG_NUM_FABRICS 1 +#define DEF_CFG_NUM_LPORTS 256 +#define DEF_CFG_NUM_CQS 4 +#define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX) +#define DEF_CFG_NUM_TSKIM_REQS 128 +#define DEF_CFG_NUM_FCXP_REQS 64 +#define DEF_CFG_NUM_UF_BUFS 64 +#define DEF_CFG_NUM_RPORTS 1024 +#define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS) +#define DEF_CFG_NUM_TINS 256 + +#define DEF_CFG_NUM_SGPGS 2048 +#define DEF_CFG_NUM_REQQ_ELEMS 256 +#define DEF_CFG_NUM_RSPQ_ELEMS 64 +#define DEF_CFG_NUM_SBOOT_TGTS 16 +#define DEF_CFG_NUM_SBOOT_LUNS 16 + +/** + * Use this function query the memory requirement of the BFA library. + * This function needs to be called before bfa_attach() to get the + * memory required of the BFA layer for a given driver configuration. + * + * This call will fail, if the cap is out of range compared to pre-defined + * values within the BFA library + * + * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate + * its configuration in this structure. + * The default values for struct bfa_iocfc_cfg_s can be + * fetched using bfa_cfg_get_default() API. + * + * If cap's boundary check fails, the library will use + * the default bfa_cap_t values (and log a warning msg). + * + * @param[out] meminfo - pointer to bfa_meminfo_t. This content + * indicates the memory type (see bfa_mem_type_t) and + * amount of memory required. + * + * Driver should allocate the memory, populate the + * starting address for each block and provide the same + * structure as input parameter to bfa_attach() call. + * + * @return void + * + * Special Considerations: @note + */ +void +bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo) +{ + int i; + u32 km_len = 0, dm_len = 0; + + bfa_assert((cfg != NULL) && (meminfo != NULL)); + + bfa_os_memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s)); + meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_type = + BFA_MEM_TYPE_KVA; + meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_type = + BFA_MEM_TYPE_DMA; + + bfa_iocfc_meminfo(cfg, &km_len, &dm_len); + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->meminfo(cfg, &km_len, &dm_len); + + + meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_len = km_len; + meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len; +} + +/** + * Use this function to do attach the driver instance with the BFA + * library. This function will not trigger any HW initialization + * process (which will be done in bfa_init() call) + * + * This call will fail, if the cap is out of range compared to + * pre-defined values within the BFA library + * + * @param[out] bfa Pointer to bfa_t. + * @param[in] bfad Opaque handle back to the driver's IOC structure + * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure + * that was used in bfa_cfg_get_meminfo(). + * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should + * use the bfa_cfg_get_meminfo() call to + * find the memory blocks required, allocate the + * required memory and provide the starting addresses. + * @param[in] pcidev pointer to struct bfa_pcidev_s + * + * @return + * void + * + * Special Considerations: + * + * @note + * + */ +void +bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + int i; + struct bfa_mem_elem_s *melem; + + bfa->fcs = BFA_FALSE; + + bfa_assert((cfg != NULL) && (meminfo != NULL)); + + /** + * initialize all memory pointers for iterative allocation + */ + for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { + melem = meminfo->meminfo + i; + melem->kva_curp = melem->kva; + melem->dma_curp = melem->dma; + } + + bfa_iocfc_attach(bfa, bfad, cfg, meminfo, pcidev); + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev); + +} + +/** + * Use this function to delete a BFA IOC. IOC should be stopped (by + * calling bfa_stop()) before this function call. + * + * @param[in] bfa - pointer to bfa_t. + * + * @return + * void + * + * Special Considerations: + * + * @note + */ +void +bfa_detach(struct bfa_s *bfa) +{ + int i; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->detach(bfa); + + bfa_iocfc_detach(bfa); +} + + +void +bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod) +{ + bfa->trcmod = trcmod; +} + + +void +bfa_init_log(struct bfa_s *bfa, struct bfa_log_mod_s *logmod) +{ + bfa->logm = logmod; +} + + +void +bfa_init_aen(struct bfa_s *bfa, struct bfa_aen_s *aen) +{ + bfa->aen = aen; +} + +void +bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog) +{ + bfa->plog = plog; +} + +/** + * Initialize IOC. + * + * This function will return immediately, when the IOC initialization is + * completed, the bfa_cb_init() will be called. + * + * @param[in] bfa instance + * + * @return void + * + * Special Considerations: + * + * @note + * When this function returns, the driver should register the interrupt service + * routine(s) and enable the device interrupts. If this is not done, + * bfa_cb_init() will never get called + */ +void +bfa_init(struct bfa_s *bfa) +{ + bfa_iocfc_init(bfa); +} + +/** + * Use this function initiate the IOC configuration setup. This function + * will return immediately. + * + * @param[in] bfa instance + * + * @return None + */ +void +bfa_start(struct bfa_s *bfa) +{ + bfa_iocfc_start(bfa); +} + +/** + * Use this function quiese the IOC. This function will return immediately, + * when the IOC is actually stopped, the bfa_cb_stop() will be called. + * + * @param[in] bfa - pointer to bfa_t. + * + * @return None + * + * Special Considerations: + * bfa_cb_stop() could be called before or after bfa_stop() returns. + * + * @note + * In case of any failure, we could handle it automatically by doing a + * reset and then succeed the bfa_stop() call. + */ +void +bfa_stop(struct bfa_s *bfa) +{ + bfa_iocfc_stop(bfa); +} + +void +bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q) +{ + INIT_LIST_HEAD(comp_q); + list_splice_tail_init(&bfa->comp_q, comp_q); +} + +void +bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) +{ + struct list_head *qe; + struct list_head *qen; + struct bfa_cb_qe_s *hcb_qe; + + list_for_each_safe(qe, qen, comp_q) { + hcb_qe = (struct bfa_cb_qe_s *) qe; + hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE); + } +} + +void +bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) +{ + struct list_head *qe; + struct bfa_cb_qe_s *hcb_qe; + + while (!list_empty(comp_q)) { + bfa_q_deq(comp_q, &qe); + hcb_qe = (struct bfa_cb_qe_s *) qe; + hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE); + } +} + +void +bfa_attach_fcs(struct bfa_s *bfa) +{ + bfa->fcs = BFA_TRUE; +} + +/** + * Periodic timer heart beat from driver + */ +void +bfa_timer_tick(struct bfa_s *bfa) +{ + bfa_timer_beat(&bfa->timer_mod); +} + +#ifndef BFA_BIOS_BUILD +/** + * Return the list of PCI vendor/device id lists supported by this + * BFA instance. + */ +void +bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) +{ + static struct bfa_pciid_s __pciids[] = { + {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P}, + {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P}, + {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT}, + }; + + *npciids = sizeof(__pciids) / sizeof(__pciids[0]); + *pciids = __pciids; +} + +/** + * Use this function query the default struct bfa_iocfc_cfg_s value (compiled + * into BFA layer). The OS driver can then turn back and overwrite entries that + * have been configured by the user. + * + * @param[in] cfg - pointer to bfa_ioc_cfg_t + * + * @return + * void + * + * Special Considerations: + * note + */ +void +bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg) +{ + cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS; + cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS; + cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS; + cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS; + cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS; + cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS; + cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS; + cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS; + + cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS; + cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS; + cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS; + cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS; + cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS; + cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF; + cfg->drvcfg.ioc_recover = BFA_FALSE; + cfg->drvcfg.delay_comp = BFA_FALSE; + +} + +void +bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg) +{ + bfa_cfg_get_default(cfg); + cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; + cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; + cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN; + cfg->fwcfg.num_uf_bufs = BFA_UF_MIN; + cfg->fwcfg.num_rports = BFA_RPORT_MIN; + + cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN; + cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN; + cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN; + cfg->drvcfg.min_cfg = BFA_TRUE; +} + +void +bfa_get_attr(struct bfa_s *bfa, struct bfa_ioc_attr_s *ioc_attr) +{ + bfa_ioc_get_attr(&bfa->ioc, ioc_attr); +} + +/** + * Retrieve firmware trace information on IOC failure. + */ +bfa_status_t +bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen) +{ + return bfa_ioc_debug_fwsave(&bfa->ioc, trcdata, trclen); +} + +/** + * Fetch firmware trace data. + * + * @param[in] bfa BFA instance + * @param[out] trcdata Firmware trace buffer + * @param[in,out] trclen Firmware trace buffer len + * + * @retval BFA_STATUS_OK Firmware trace is fetched. + * @retval BFA_STATUS_INPROGRESS Firmware trace fetch is in progress. + */ +bfa_status_t +bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen) +{ + return bfa_ioc_debug_fwtrc(&bfa->ioc, trcdata, trclen); +} +#endif diff --git a/drivers/scsi/bfa/bfa_csdebug.c b/drivers/scsi/bfa/bfa_csdebug.c new file mode 100644 index 000000000000..1b71d349451a --- /dev/null +++ b/drivers/scsi/bfa/bfa_csdebug.c @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <cs/bfa_debug.h> +#include <bfa_os_inc.h> +#include <cs/bfa_q.h> +#include <log/bfa_log_hal.h> + +/** + * cs_debug_api + */ + + +void +bfa_panic(int line, char *file, char *panicstr) +{ + bfa_log(NULL, BFA_LOG_HAL_ASSERT, file, line, panicstr); + bfa_os_panic(); +} + +void +bfa_sm_panic(struct bfa_log_mod_s *logm, int line, char *file, int event) +{ + bfa_log(logm, BFA_LOG_HAL_SM_ASSERT, file, line, event); + bfa_os_panic(); +} + +int +bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe) +{ + struct list_head *tqe; + + tqe = bfa_q_next(q); + while (tqe != q) { + if (tqe == qe) + return (1); + tqe = bfa_q_next(tqe); + if (tqe == NULL) + break; + } + return (0); +} + + diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c new file mode 100644 index 000000000000..401babe3494e --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <log/bfa_log_hal.h> + +BFA_TRC_FILE(HAL, FCPIM); +BFA_MODULE(fcpim); + +/** + * hal_fcpim_mod BFA FCP Initiator Mode module + */ + +/** + * Compute and return memory needed by FCP(im) module. + */ +static void +bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + bfa_itnim_meminfo(cfg, km_len, dm_len); + + /** + * IO memory + */ + if (cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) + cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; + else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) + cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; + + *km_len += cfg->fwcfg.num_ioim_reqs * + (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); + + *dm_len += cfg->fwcfg.num_ioim_reqs * BFI_IOIM_SNSLEN; + + /** + * task management command memory + */ + if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) + cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; + *km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); +} + + +static void +bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + bfa_trc(bfa, cfg->drvcfg.path_tov); + bfa_trc(bfa, cfg->fwcfg.num_rports); + bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); + bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); + + fcpim->bfa = bfa; + fcpim->num_itnims = cfg->fwcfg.num_rports; + fcpim->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; + fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; + fcpim->path_tov = cfg->drvcfg.path_tov; + fcpim->delay_comp = cfg->drvcfg.delay_comp; + + bfa_itnim_attach(fcpim, meminfo); + bfa_tskim_attach(fcpim, meminfo); + bfa_ioim_attach(fcpim, meminfo); +} + +static void +bfa_fcpim_initdone(struct bfa_s *bfa) +{ +} + +static void +bfa_fcpim_detach(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + bfa_ioim_detach(fcpim); + bfa_tskim_detach(fcpim); +} + +static void +bfa_fcpim_start(struct bfa_s *bfa) +{ +} + +static void +bfa_fcpim_stop(struct bfa_s *bfa) +{ +} + +static void +bfa_fcpim_iocdisable(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_itnim_s *itnim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &fcpim->itnim_q) { + itnim = (struct bfa_itnim_s *) qe; + bfa_itnim_iocdisable(itnim); + } +} + +void +bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + fcpim->path_tov = path_tov * 1000; + if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) + fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; +} + +u16 +bfa_fcpim_path_tov_get(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + return (fcpim->path_tov / 1000); +} + +bfa_status_t +bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_fcpim_stats_s *modstats) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + *modstats = fcpim->stats; + + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_fcpim_clr_modstats(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + memset(&fcpim->stats, 0, sizeof(struct bfa_fcpim_stats_s)); + + return BFA_STATUS_OK; +} + +void +bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + bfa_assert(q_depth <= BFA_IOCFC_QDEPTH_MAX); + + fcpim->q_depth = q_depth; +} + +u16 +bfa_fcpim_qdepth_get(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + + return (fcpim->q_depth); +} + + diff --git a/drivers/scsi/bfa/bfa_fcpim_priv.h b/drivers/scsi/bfa/bfa_fcpim_priv.h new file mode 100644 index 000000000000..153206cfb37a --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcpim_priv.h @@ -0,0 +1,188 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCPIM_PRIV_H__ +#define __BFA_FCPIM_PRIV_H__ + +#include <bfa_fcpim.h> +#include <defs/bfa_defs_fcpim.h> +#include <cs/bfa_wc.h> +#include "bfa_sgpg_priv.h" + +#define BFA_ITNIM_MIN 32 +#define BFA_ITNIM_MAX 1024 + +#define BFA_IOIM_MIN 8 +#define BFA_IOIM_MAX 2000 + +#define BFA_TSKIM_MIN 4 +#define BFA_TSKIM_MAX 512 +#define BFA_FCPIM_PATHTOV_DEF (30 * 1000) /* in millisecs */ +#define BFA_FCPIM_PATHTOV_MAX (90 * 1000) /* in millisecs */ + +#define bfa_fcpim_stats(__fcpim, __stats) \ + (__fcpim)->stats.__stats ++ + +struct bfa_fcpim_mod_s { + struct bfa_s *bfa; + struct bfa_itnim_s *itnim_arr; + struct bfa_ioim_s *ioim_arr; + struct bfa_ioim_sp_s *ioim_sp_arr; + struct bfa_tskim_s *tskim_arr; + struct bfa_dma_s snsbase; + int num_itnims; + int num_ioim_reqs; + int num_tskim_reqs; + u32 path_tov; + u16 q_depth; + u16 rsvd; + struct list_head itnim_q; /* queue of active itnim */ + struct list_head ioim_free_q; /* free IO resources */ + struct list_head ioim_resfree_q; /* IOs waiting for f/w */ + struct list_head ioim_comp_q; /* IO global comp Q */ + struct list_head tskim_free_q; + u32 ios_active; /* current active IOs */ + u32 delay_comp; + struct bfa_fcpim_stats_s stats; +}; + +struct bfa_ioim_s; +struct bfa_tskim_s; + +/** + * BFA IO (initiator mode) + */ +struct bfa_ioim_s { + struct list_head qe; /* queue elememt */ + bfa_sm_t sm; /* BFA ioim state machine */ + struct bfa_s *bfa; /* BFA module */ + struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */ + struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ + struct bfad_ioim_s *dio; /* driver IO handle */ + u16 iotag; /* FWI IO tag */ + u16 abort_tag; /* unqiue abort request tag */ + u16 nsges; /* number of SG elements */ + u16 nsgpgs; /* number of SG pages */ + struct bfa_sgpg_s *sgpg; /* first SG page */ + struct list_head sgpg_q; /* allocated SG pages */ + struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ + bfa_cb_cbfn_t io_cbfn; /* IO completion handler */ + struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */ +}; + +struct bfa_ioim_sp_s { + struct bfi_msg_s comp_rspmsg; /* IO comp f/w response */ + u8 *snsinfo; /* sense info for this IO */ + struct bfa_sgpg_wqe_s sgpg_wqe; /* waitq elem for sgpg */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + bfa_boolean_t abort_explicit; /* aborted by OS */ + struct bfa_tskim_s *tskim; /* Relevant TM cmd */ +}; + +/** + * BFA Task management command (initiator mode) + */ +struct bfa_tskim_s { + struct list_head qe; + bfa_sm_t sm; + struct bfa_s *bfa; /* BFA module */ + struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */ + struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ + struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */ + bfa_boolean_t notify; /* notify itnim on TM comp */ + lun_t lun; /* lun if applicable */ + enum fcp_tm_cmnd tm_cmnd; /* task management command */ + u16 tsk_tag; /* FWI IO tag */ + u8 tsecs; /* timeout in seconds */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + struct list_head io_q; /* queue of affected IOs */ + struct bfa_wc_s wc; /* waiting counter */ + struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ + enum bfi_tskim_status tsk_status; /* TM status */ +}; + +/** + * BFA i-t-n (initiator mode) + */ +struct bfa_itnim_s { + struct list_head qe; /* queue element */ + bfa_sm_t sm; /* i-t-n im BFA state machine */ + struct bfa_s *bfa; /* bfa instance */ + struct bfa_rport_s *rport; /* bfa rport */ + void *ditn; /* driver i-t-n structure */ + struct bfi_mhdr_s mhdr; /* pre-built mhdr */ + u8 msg_no; /* itnim/rport firmware handle */ + u8 reqq; /* CQ for requests */ + struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ + struct list_head pending_q; /* queue of pending IO requests*/ + struct list_head io_q; /* queue of active IO requests */ + struct list_head io_cleanup_q; /* IO being cleaned up */ + struct list_head tsk_q; /* queue of active TM commands */ + struct list_head delay_comp_q;/* queue of failed inflight cmds */ + bfa_boolean_t seq_rec; /* SQER supported */ + bfa_boolean_t is_online; /* itnim is ONLINE for IO */ + bfa_boolean_t iotov_active; /* IO TOV timer is active */ + struct bfa_wc_s wc; /* waiting counter */ + struct bfa_timer_s timer; /* pending IO TOV */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + struct bfa_fcpim_mod_s *fcpim; /* fcpim module */ + struct bfa_itnim_hal_stats_s stats; +}; + +#define bfa_itnim_is_online(_itnim) (_itnim)->is_online +#define BFA_FCPIM_MOD(_hal) (&(_hal)->modules.fcpim_mod) +#define BFA_IOIM_FROM_TAG(_fcpim, _iotag) \ + (&fcpim->ioim_arr[_iotag]) +#define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag) \ + (&fcpim->tskim_arr[_tmtag & (fcpim->num_tskim_reqs - 1)]) + +/* + * function prototypes + */ +void bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim, + struct bfa_meminfo_s *minfo); +void bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim); +void bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +void bfa_ioim_good_comp_isr(struct bfa_s *bfa, + struct bfi_msg_s *msg); +void bfa_ioim_cleanup(struct bfa_ioim_s *ioim); +void bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, + struct bfa_tskim_s *tskim); +void bfa_ioim_iocdisable(struct bfa_ioim_s *ioim); +void bfa_ioim_tov(struct bfa_ioim_s *ioim); + +void bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, + struct bfa_meminfo_s *minfo); +void bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim); +void bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +void bfa_tskim_iodone(struct bfa_tskim_s *tskim); +void bfa_tskim_iocdisable(struct bfa_tskim_s *tskim); +void bfa_tskim_cleanup(struct bfa_tskim_s *tskim); + +void bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len); +void bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim, + struct bfa_meminfo_s *minfo); +void bfa_itnim_detach(struct bfa_fcpim_mod_s *fcpim); +void bfa_itnim_iocdisable(struct bfa_itnim_s *itnim); +void bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +void bfa_itnim_iodone(struct bfa_itnim_s *itnim); +void bfa_itnim_tskdone(struct bfa_itnim_s *itnim); +bfa_boolean_t bfa_itnim_hold_io(struct bfa_itnim_s *itnim); + +#endif /* __BFA_FCPIM_PRIV_H__ */ + diff --git a/drivers/scsi/bfa/bfa_fcport.c b/drivers/scsi/bfa/bfa_fcport.c new file mode 100644 index 000000000000..992435987deb --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcport.c @@ -0,0 +1,1671 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include <bfi/bfi_pport.h> +#include <cs/bfa_debug.h> +#include <aen/bfa_aen.h> +#include <cs/bfa_plog.h> +#include <aen/bfa_aen_port.h> + +BFA_TRC_FILE(HAL, PPORT); +BFA_MODULE(pport); + +#define bfa_pport_callback(__pport, __event) do { \ + if ((__pport)->bfa->fcs) { \ + (__pport)->event_cbfn((__pport)->event_cbarg, (__event)); \ + } else { \ + (__pport)->hcb_event = (__event); \ + bfa_cb_queue((__pport)->bfa, &(__pport)->hcb_qe, \ + __bfa_cb_port_event, (__pport)); \ + } \ +} while (0) + +/* + * The port is considered disabled if corresponding physical port or IOC are + * disabled explicitly + */ +#define BFA_PORT_IS_DISABLED(bfa) \ + ((bfa_pport_is_disabled(bfa) == BFA_TRUE) || \ + (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE)) + +/* + * forward declarations + */ +static bfa_boolean_t bfa_pport_send_enable(struct bfa_pport_s *port); +static bfa_boolean_t bfa_pport_send_disable(struct bfa_pport_s *port); +static void bfa_pport_update_linkinfo(struct bfa_pport_s *pport); +static void bfa_pport_reset_linkinfo(struct bfa_pport_s *pport); +static void bfa_pport_set_wwns(struct bfa_pport_s *port); +static void __bfa_cb_port_event(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete); +static void bfa_port_stats_timeout(void *cbarg); +static void bfa_port_stats_clr_timeout(void *cbarg); + +/** + * bfa_pport_private + */ + +/** + * BFA port state machine events + */ +enum bfa_pport_sm_event { + BFA_PPORT_SM_START = 1, /* start port state machine */ + BFA_PPORT_SM_STOP = 2, /* stop port state machine */ + BFA_PPORT_SM_ENABLE = 3, /* enable port */ + BFA_PPORT_SM_DISABLE = 4, /* disable port state machine */ + BFA_PPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */ + BFA_PPORT_SM_LINKUP = 6, /* firmware linkup event */ + BFA_PPORT_SM_LINKDOWN = 7, /* firmware linkup down */ + BFA_PPORT_SM_QRESUME = 8, /* CQ space available */ + BFA_PPORT_SM_HWFAIL = 9, /* IOC h/w failure */ +}; + +static void bfa_pport_sm_uninit(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_enabling(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_linkdown(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_linkup(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_disabling(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_disabled(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_stopped(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_iocdown(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); +static void bfa_pport_sm_iocfail(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event); + +static struct bfa_sm_table_s hal_pport_sm_table[] = { + {BFA_SM(bfa_pport_sm_uninit), BFA_PPORT_ST_UNINIT}, + {BFA_SM(bfa_pport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT}, + {BFA_SM(bfa_pport_sm_enabling), BFA_PPORT_ST_ENABLING}, + {BFA_SM(bfa_pport_sm_linkdown), BFA_PPORT_ST_LINKDOWN}, + {BFA_SM(bfa_pport_sm_linkup), BFA_PPORT_ST_LINKUP}, + {BFA_SM(bfa_pport_sm_disabling_qwait), + BFA_PPORT_ST_DISABLING_QWAIT}, + {BFA_SM(bfa_pport_sm_disabling), BFA_PPORT_ST_DISABLING}, + {BFA_SM(bfa_pport_sm_disabled), BFA_PPORT_ST_DISABLED}, + {BFA_SM(bfa_pport_sm_stopped), BFA_PPORT_ST_STOPPED}, + {BFA_SM(bfa_pport_sm_iocdown), BFA_PPORT_ST_IOCDOWN}, + {BFA_SM(bfa_pport_sm_iocfail), BFA_PPORT_ST_IOCDOWN}, +}; + +static void +bfa_pport_aen_post(struct bfa_pport_s *pport, enum bfa_port_aen_event event) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = pport->bfa->logm; + wwn_t pwwn = pport->pwwn; + char pwwn_ptr[BFA_STRING_32]; + struct bfa_ioc_attr_s ioc_attr; + + wwn2str(pwwn_ptr, pwwn); + switch (event) { + case BFA_PORT_AEN_ONLINE: + bfa_log(logmod, BFA_AEN_PORT_ONLINE, pwwn_ptr); + break; + case BFA_PORT_AEN_OFFLINE: + bfa_log(logmod, BFA_AEN_PORT_OFFLINE, pwwn_ptr); + break; + case BFA_PORT_AEN_ENABLE: + bfa_log(logmod, BFA_AEN_PORT_ENABLE, pwwn_ptr); + break; + case BFA_PORT_AEN_DISABLE: + bfa_log(logmod, BFA_AEN_PORT_DISABLE, pwwn_ptr); + break; + case BFA_PORT_AEN_DISCONNECT: + bfa_log(logmod, BFA_AEN_PORT_DISCONNECT, pwwn_ptr); + break; + case BFA_PORT_AEN_QOS_NEG: + bfa_log(logmod, BFA_AEN_PORT_QOS_NEG, pwwn_ptr); + break; + default: + break; + } + + bfa_ioc_get_attr(&pport->bfa->ioc, &ioc_attr); + aen_data.port.ioc_type = ioc_attr.ioc_type; + aen_data.port.pwwn = pwwn; +} + +static void +bfa_pport_sm_uninit(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_START: + /** + * Start event after IOC is configured and BFA is started. + */ + if (bfa_pport_send_enable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_enabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); + break; + + case BFA_PPORT_SM_ENABLE: + /** + * Port is persistently configured to be in enabled state. Do + * not change state. Port enabling is done when START event is + * received. + */ + break; + + case BFA_PPORT_SM_DISABLE: + /** + * If a port is persistently configured to be disabled, the + * first event will a port disable request. + */ + bfa_sm_set_state(pport, bfa_pport_sm_disabled); + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_sm_set_state(pport, bfa_pport_sm_iocdown); + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_QRESUME: + bfa_sm_set_state(pport, bfa_pport_sm_enabling); + bfa_pport_send_enable(pport); + break; + + case BFA_PPORT_SM_STOP: + bfa_reqq_wcancel(&pport->reqq_wait); + bfa_sm_set_state(pport, bfa_pport_sm_stopped); + break; + + case BFA_PPORT_SM_ENABLE: + /** + * Already enable is in progress. + */ + break; + + case BFA_PPORT_SM_DISABLE: + /** + * Just send disable request to firmware when room becomes + * available in request queue. + */ + bfa_sm_set_state(pport, bfa_pport_sm_disabled); + bfa_reqq_wcancel(&pport->reqq_wait); + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); + bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); + break; + + case BFA_PPORT_SM_LINKUP: + case BFA_PPORT_SM_LINKDOWN: + /** + * Possible to get link events when doing back-to-back + * enable/disables. + */ + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_reqq_wcancel(&pport->reqq_wait); + bfa_sm_set_state(pport, bfa_pport_sm_iocdown); + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_enabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_FWRSP: + case BFA_PPORT_SM_LINKDOWN: + bfa_sm_set_state(pport, bfa_pport_sm_linkdown); + break; + + case BFA_PPORT_SM_LINKUP: + bfa_pport_update_linkinfo(pport); + bfa_sm_set_state(pport, bfa_pport_sm_linkup); + + bfa_assert(pport->event_cbfn); + bfa_pport_callback(pport, BFA_PPORT_LINKUP); + break; + + case BFA_PPORT_SM_ENABLE: + /** + * Already being enabled. + */ + break; + + case BFA_PPORT_SM_DISABLE: + if (bfa_pport_send_disable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_disabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait); + + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); + bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); + break; + + case BFA_PPORT_SM_STOP: + bfa_sm_set_state(pport, bfa_pport_sm_stopped); + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_sm_set_state(pport, bfa_pport_sm_iocdown); + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_linkdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_LINKUP: + bfa_pport_update_linkinfo(pport); + bfa_sm_set_state(pport, bfa_pport_sm_linkup); + bfa_assert(pport->event_cbfn); + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup"); + bfa_pport_callback(pport, BFA_PPORT_LINKUP); + bfa_pport_aen_post(pport, BFA_PORT_AEN_ONLINE); + /** + * If QoS is enabled and it is not online, + * Send a separate event. + */ + if ((pport->cfg.qos_enabled) + && (bfa_os_ntohl(pport->qos_attr.state) != BFA_QOS_ONLINE)) + bfa_pport_aen_post(pport, BFA_PORT_AEN_QOS_NEG); + + break; + + case BFA_PPORT_SM_LINKDOWN: + /** + * Possible to get link down event. + */ + break; + + case BFA_PPORT_SM_ENABLE: + /** + * Already enabled. + */ + break; + + case BFA_PPORT_SM_DISABLE: + if (bfa_pport_send_disable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_disabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait); + + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); + bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); + break; + + case BFA_PPORT_SM_STOP: + bfa_sm_set_state(pport, bfa_pport_sm_stopped); + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_sm_set_state(pport, bfa_pport_sm_iocdown); + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_linkup(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_ENABLE: + /** + * Already enabled. + */ + break; + + case BFA_PPORT_SM_DISABLE: + if (bfa_pport_send_disable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_disabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait); + + bfa_pport_reset_linkinfo(pport); + bfa_pport_callback(pport, BFA_PPORT_LINKDOWN); + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); + bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); + bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE); + break; + + case BFA_PPORT_SM_LINKDOWN: + bfa_sm_set_state(pport, bfa_pport_sm_linkdown); + bfa_pport_reset_linkinfo(pport); + bfa_pport_callback(pport, BFA_PPORT_LINKDOWN); + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown"); + if (BFA_PORT_IS_DISABLED(pport->bfa)) { + bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); + } else { + bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT); + } + break; + + case BFA_PPORT_SM_STOP: + bfa_sm_set_state(pport, bfa_pport_sm_stopped); + bfa_pport_reset_linkinfo(pport); + if (BFA_PORT_IS_DISABLED(pport->bfa)) { + bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); + } else { + bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT); + } + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_sm_set_state(pport, bfa_pport_sm_iocdown); + bfa_pport_reset_linkinfo(pport); + bfa_pport_callback(pport, BFA_PPORT_LINKDOWN); + if (BFA_PORT_IS_DISABLED(pport->bfa)) { + bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE); + } else { + bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT); + } + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport, + enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_QRESUME: + bfa_sm_set_state(pport, bfa_pport_sm_disabling); + bfa_pport_send_disable(pport); + break; + + case BFA_PPORT_SM_STOP: + bfa_sm_set_state(pport, bfa_pport_sm_stopped); + bfa_reqq_wcancel(&pport->reqq_wait); + break; + + case BFA_PPORT_SM_DISABLE: + /** + * Already being disabled. + */ + break; + + case BFA_PPORT_SM_LINKUP: + case BFA_PPORT_SM_LINKDOWN: + /** + * Possible to get link events when doing back-to-back + * enable/disables. + */ + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_sm_set_state(pport, bfa_pport_sm_iocfail); + bfa_reqq_wcancel(&pport->reqq_wait); + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_disabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_FWRSP: + bfa_sm_set_state(pport, bfa_pport_sm_disabled); + break; + + case BFA_PPORT_SM_DISABLE: + /** + * Already being disabled. + */ + break; + + case BFA_PPORT_SM_ENABLE: + if (bfa_pport_send_enable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_enabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); + + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); + bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE); + break; + + case BFA_PPORT_SM_STOP: + bfa_sm_set_state(pport, bfa_pport_sm_stopped); + break; + + case BFA_PPORT_SM_LINKUP: + case BFA_PPORT_SM_LINKDOWN: + /** + * Possible to get link events when doing back-to-back + * enable/disables. + */ + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_sm_set_state(pport, bfa_pport_sm_iocfail); + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_disabled(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_START: + /** + * Ignore start event for a port that is disabled. + */ + break; + + case BFA_PPORT_SM_STOP: + bfa_sm_set_state(pport, bfa_pport_sm_stopped); + break; + + case BFA_PPORT_SM_ENABLE: + if (bfa_pport_send_enable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_enabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); + + bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL, + BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); + bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE); + break; + + case BFA_PPORT_SM_DISABLE: + /** + * Already disabled. + */ + break; + + case BFA_PPORT_SM_HWFAIL: + bfa_sm_set_state(pport, bfa_pport_sm_iocfail); + break; + + default: + bfa_sm_fault(pport->bfa, event); + } +} + +static void +bfa_pport_sm_stopped(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_START: + if (bfa_pport_send_enable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_enabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); + break; + + default: + /** + * Ignore all other events. + */ + ; + } +} + +/** + * Port is enabled. IOC is down/failed. + */ +static void +bfa_pport_sm_iocdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_START: + if (bfa_pport_send_enable(pport)) + bfa_sm_set_state(pport, bfa_pport_sm_enabling); + else + bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait); + break; + + default: + /** + * Ignore all events. + */ + ; + } +} + +/** + * Port is disabled. IOC is down/failed. + */ +static void +bfa_pport_sm_iocfail(struct bfa_pport_s *pport, enum bfa_pport_sm_event event) +{ + bfa_trc(pport->bfa, event); + + switch (event) { + case BFA_PPORT_SM_START: + bfa_sm_set_state(pport, bfa_pport_sm_disabled); + break; + + case BFA_PPORT_SM_ENABLE: + bfa_sm_set_state(pport, bfa_pport_sm_iocdown); + break; + + default: + /** + * Ignore all events. + */ + ; + } +} + + + +/** + * bfa_pport_private + */ + +static void +__bfa_cb_port_event(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_pport_s *pport = cbarg; + + if (complete) + pport->event_cbfn(pport->event_cbarg, pport->hcb_event); +} + +#define PPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_pport_stats_u), \ + BFA_CACHELINE_SZ)) + +static void +bfa_pport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, + u32 *dm_len) +{ + *dm_len += PPORT_STATS_DMA_SZ; +} + +static void +bfa_pport_qresume(void *cbarg) +{ + struct bfa_pport_s *port = cbarg; + + bfa_sm_send_event(port, BFA_PPORT_SM_QRESUME); +} + +static void +bfa_pport_mem_claim(struct bfa_pport_s *pport, struct bfa_meminfo_s *meminfo) +{ + u8 *dm_kva; + u64 dm_pa; + + dm_kva = bfa_meminfo_dma_virt(meminfo); + dm_pa = bfa_meminfo_dma_phys(meminfo); + + pport->stats_kva = dm_kva; + pport->stats_pa = dm_pa; + pport->stats = (union bfa_pport_stats_u *)dm_kva; + + dm_kva += PPORT_STATS_DMA_SZ; + dm_pa += PPORT_STATS_DMA_SZ; + + bfa_meminfo_dma_virt(meminfo) = dm_kva; + bfa_meminfo_dma_phys(meminfo) = dm_pa; +} + +/** + * Memory initialization. + */ +static void +bfa_pport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + struct bfa_pport_cfg_s *port_cfg = &pport->cfg; + + bfa_os_memset(pport, 0, sizeof(struct bfa_pport_s)); + pport->bfa = bfa; + + bfa_pport_mem_claim(pport, meminfo); + + bfa_sm_set_state(pport, bfa_pport_sm_uninit); + + /** + * initialize and set default configuration + */ + port_cfg->topology = BFA_PPORT_TOPOLOGY_P2P; + port_cfg->speed = BFA_PPORT_SPEED_AUTO; + port_cfg->trunked = BFA_FALSE; + port_cfg->maxfrsize = 0; + + port_cfg->trl_def_speed = BFA_PPORT_SPEED_1GBPS; + + bfa_reqq_winit(&pport->reqq_wait, bfa_pport_qresume, pport); +} + +static void +bfa_pport_initdone(struct bfa_s *bfa) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + /** + * Initialize port attributes from IOC hardware data. + */ + bfa_pport_set_wwns(pport); + if (pport->cfg.maxfrsize == 0) + pport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc); + pport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc); + pport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc); + + bfa_assert(pport->cfg.maxfrsize); + bfa_assert(pport->cfg.rx_bbcredit); + bfa_assert(pport->speed_sup); +} + +static void +bfa_pport_detach(struct bfa_s *bfa) +{ +} + +/** + * Called when IOC is ready. + */ +static void +bfa_pport_start(struct bfa_s *bfa) +{ + bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_START); +} + +/** + * Called before IOC is stopped. + */ +static void +bfa_pport_stop(struct bfa_s *bfa) +{ + bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_STOP); +} + +/** + * Called when IOC failure is detected. + */ +static void +bfa_pport_iocdisable(struct bfa_s *bfa) +{ + bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_HWFAIL); +} + +static void +bfa_pport_update_linkinfo(struct bfa_pport_s *pport) +{ + struct bfi_pport_event_s *pevent = pport->event_arg.i2hmsg.event; + + pport->speed = pevent->link_state.speed; + pport->topology = pevent->link_state.topology; + + if (pport->topology == BFA_PPORT_TOPOLOGY_LOOP) + pport->myalpa = pevent->link_state.tl.loop_info.myalpa; + + /* + * QoS Details + */ + bfa_os_assign(pport->qos_attr, pevent->link_state.qos_attr); + bfa_os_assign(pport->qos_vc_attr, pevent->link_state.qos_vc_attr); + + bfa_trc(pport->bfa, pport->speed); + bfa_trc(pport->bfa, pport->topology); +} + +static void +bfa_pport_reset_linkinfo(struct bfa_pport_s *pport) +{ + pport->speed = BFA_PPORT_SPEED_UNKNOWN; + pport->topology = BFA_PPORT_TOPOLOGY_NONE; +} + +/** + * Send port enable message to firmware. + */ +static bfa_boolean_t +bfa_pport_send_enable(struct bfa_pport_s *port) +{ + struct bfi_pport_enable_req_s *m; + + /** + * Increment message tag before queue check, so that responses to old + * requests are discarded. + */ + port->msgtag++; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); + if (!m) { + bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_ENABLE_REQ, + bfa_lpuid(port->bfa)); + m->nwwn = port->nwwn; + m->pwwn = port->pwwn; + m->port_cfg = port->cfg; + m->msgtag = port->msgtag; + m->port_cfg.maxfrsize = bfa_os_htons(port->cfg.maxfrsize); + bfa_dma_be_addr_set(m->stats_dma_addr, port->stats_pa); + bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_lo); + bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_hi); + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); + return BFA_TRUE; +} + +/** + * Send port disable message to firmware. + */ +static bfa_boolean_t +bfa_pport_send_disable(struct bfa_pport_s *port) +{ + bfi_pport_disable_req_t *m; + + /** + * Increment message tag before queue check, so that responses to old + * requests are discarded. + */ + port->msgtag++; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); + if (!m) { + bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_DISABLE_REQ, + bfa_lpuid(port->bfa)); + m->msgtag = port->msgtag; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); + + return BFA_TRUE; +} + +static void +bfa_pport_set_wwns(struct bfa_pport_s *port) +{ + port->pwwn = bfa_ioc_get_pwwn(&port->bfa->ioc); + port->nwwn = bfa_ioc_get_nwwn(&port->bfa->ioc); + + bfa_trc(port->bfa, port->pwwn); + bfa_trc(port->bfa, port->nwwn); +} + +static void +bfa_port_send_txcredit(void *port_cbarg) +{ + + struct bfa_pport_s *port = port_cbarg; + struct bfi_pport_set_svc_params_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); + if (!m) { + bfa_trc(port->bfa, port->cfg.tx_bbcredit); + return; + } + + bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_SET_SVC_PARAMS_REQ, + bfa_lpuid(port->bfa)); + m->tx_bbcredit = bfa_os_htons((u16) port->cfg.tx_bbcredit); + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); +} + + + +/** + * bfa_pport_public + */ + +/** + * Firmware message handler. + */ +void +bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + union bfi_pport_i2h_msg_u i2hmsg; + + i2hmsg.msg = msg; + pport->event_arg.i2hmsg = i2hmsg; + + switch (msg->mhdr.msg_id) { + case BFI_PPORT_I2H_ENABLE_RSP: + if (pport->msgtag == i2hmsg.enable_rsp->msgtag) + bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP); + break; + + case BFI_PPORT_I2H_DISABLE_RSP: + if (pport->msgtag == i2hmsg.enable_rsp->msgtag) + bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP); + break; + + case BFI_PPORT_I2H_EVENT: + switch (i2hmsg.event->link_state.linkstate) { + case BFA_PPORT_LINKUP: + bfa_sm_send_event(pport, BFA_PPORT_SM_LINKUP); + break; + case BFA_PPORT_LINKDOWN: + bfa_sm_send_event(pport, BFA_PPORT_SM_LINKDOWN); + break; + case BFA_PPORT_TRUNK_LINKDOWN: + /** todo: event notification */ + break; + } + break; + + case BFI_PPORT_I2H_GET_STATS_RSP: + case BFI_PPORT_I2H_GET_QOS_STATS_RSP: + /* + * check for timer pop before processing the rsp + */ + if (pport->stats_busy == BFA_FALSE + || pport->stats_status == BFA_STATUS_ETIMER) + break; + + bfa_timer_stop(&pport->timer); + pport->stats_status = i2hmsg.getstats_rsp->status; + bfa_cb_queue(pport->bfa, &pport->hcb_qe, __bfa_cb_port_stats, + pport); + break; + case BFI_PPORT_I2H_CLEAR_STATS_RSP: + case BFI_PPORT_I2H_CLEAR_QOS_STATS_RSP: + /* + * check for timer pop before processing the rsp + */ + if (pport->stats_busy == BFA_FALSE + || pport->stats_status == BFA_STATUS_ETIMER) + break; + + bfa_timer_stop(&pport->timer); + pport->stats_status = BFA_STATUS_OK; + bfa_cb_queue(pport->bfa, &pport->hcb_qe, + __bfa_cb_port_stats_clr, pport); + break; + + default: + bfa_assert(0); + } +} + + + +/** + * bfa_pport_api + */ + +/** + * Registered callback for port events. + */ +void +bfa_pport_event_register(struct bfa_s *bfa, + void (*cbfn) (void *cbarg, bfa_pport_event_t event), + void *cbarg) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + pport->event_cbfn = cbfn; + pport->event_cbarg = cbarg; +} + +bfa_status_t +bfa_pport_enable(struct bfa_s *bfa) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + if (pport->diag_busy) + return (BFA_STATUS_DIAG_BUSY); + else if (bfa_sm_cmp_state + (BFA_PORT_MOD(bfa), bfa_pport_sm_disabling_qwait)) + return (BFA_STATUS_DEVBUSY); + + bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_ENABLE); + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_pport_disable(struct bfa_s *bfa) +{ + bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_DISABLE); + return BFA_STATUS_OK; +} + +/** + * Configure port speed. + */ +bfa_status_t +bfa_pport_cfg_speed(struct bfa_s *bfa, enum bfa_pport_speed speed) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, speed); + + if ((speed != BFA_PPORT_SPEED_AUTO) && (speed > pport->speed_sup)) { + bfa_trc(bfa, pport->speed_sup); + return BFA_STATUS_UNSUPP_SPEED; + } + + pport->cfg.speed = speed; + + return (BFA_STATUS_OK); +} + +/** + * Get current speed. + */ +enum bfa_pport_speed +bfa_pport_get_speed(struct bfa_s *bfa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + return port->speed; +} + +/** + * Configure port topology. + */ +bfa_status_t +bfa_pport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, topology); + bfa_trc(bfa, pport->cfg.topology); + + switch (topology) { + case BFA_PPORT_TOPOLOGY_P2P: + case BFA_PPORT_TOPOLOGY_LOOP: + case BFA_PPORT_TOPOLOGY_AUTO: + break; + + default: + return BFA_STATUS_EINVAL; + } + + pport->cfg.topology = topology; + return (BFA_STATUS_OK); +} + +/** + * Get current topology. + */ +enum bfa_pport_topology +bfa_pport_get_topology(struct bfa_s *bfa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + return port->topology; +} + +bfa_status_t +bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, alpa); + bfa_trc(bfa, pport->cfg.cfg_hardalpa); + bfa_trc(bfa, pport->cfg.hardalpa); + + pport->cfg.cfg_hardalpa = BFA_TRUE; + pport->cfg.hardalpa = alpa; + + return (BFA_STATUS_OK); +} + +bfa_status_t +bfa_pport_clr_hardalpa(struct bfa_s *bfa) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, pport->cfg.cfg_hardalpa); + bfa_trc(bfa, pport->cfg.hardalpa); + + pport->cfg.cfg_hardalpa = BFA_FALSE; + return (BFA_STATUS_OK); +} + +bfa_boolean_t +bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + *alpa = port->cfg.hardalpa; + return port->cfg.cfg_hardalpa; +} + +u8 +bfa_pport_get_myalpa(struct bfa_s *bfa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + return port->myalpa; +} + +bfa_status_t +bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, maxfrsize); + bfa_trc(bfa, pport->cfg.maxfrsize); + + /* + * with in range + */ + if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ)) + return (BFA_STATUS_INVLD_DFSZ); + + /* + * power of 2, if not the max frame size of 2112 + */ + if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1))) + return (BFA_STATUS_INVLD_DFSZ); + + pport->cfg.maxfrsize = maxfrsize; + return (BFA_STATUS_OK); +} + +u16 +bfa_pport_get_maxfrsize(struct bfa_s *bfa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + return port->cfg.maxfrsize; +} + +u32 +bfa_pport_mypid(struct bfa_s *bfa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + return port->mypid; +} + +u8 +bfa_pport_get_rx_bbcredit(struct bfa_s *bfa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + return port->cfg.rx_bbcredit; +} + +void +bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + port->cfg.tx_bbcredit = (u8) tx_bbcredit; + bfa_port_send_txcredit(port); +} + +/** + * Get port attributes. + */ + +wwn_t +bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + if (node) + return pport->nwwn; + else + return pport->pwwn; +} + +void +bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_os_memset(attr, 0, sizeof(struct bfa_pport_attr_s)); + + attr->nwwn = pport->nwwn; + attr->pwwn = pport->pwwn; + + bfa_os_memcpy(&attr->pport_cfg, &pport->cfg, + sizeof(struct bfa_pport_cfg_s)); + /* + * speed attributes + */ + attr->pport_cfg.speed = pport->cfg.speed; + attr->speed_supported = pport->speed_sup; + attr->speed = pport->speed; + attr->cos_supported = FC_CLASS_3; + + /* + * topology attributes + */ + attr->pport_cfg.topology = pport->cfg.topology; + attr->topology = pport->topology; + + /* + * beacon attributes + */ + attr->beacon = pport->beacon; + attr->link_e2e_beacon = pport->link_e2e_beacon; + attr->plog_enabled = bfa_plog_get_setting(pport->bfa->plog); + + attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa); + attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa); + attr->port_state = bfa_sm_to_state(hal_pport_sm_table, pport->sm); + if (bfa_ioc_is_disabled(&pport->bfa->ioc)) + attr->port_state = BFA_PPORT_ST_IOCDIS; + else if (bfa_ioc_fw_mismatch(&pport->bfa->ioc)) + attr->port_state = BFA_PPORT_ST_FWMISMATCH; +} + +static void +bfa_port_stats_query(void *cbarg) +{ + struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; + bfi_pport_get_stats_req_t *msg; + + msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); + + if (!msg) { + port->stats_qfull = BFA_TRUE; + bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_query, + port); + bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait); + return; + } + port->stats_qfull = BFA_FALSE; + + bfa_os_memset(msg, 0, sizeof(bfi_pport_get_stats_req_t)); + bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_GET_STATS_REQ, + bfa_lpuid(port->bfa)); + bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); + + return; +} + +static void +bfa_port_stats_clear(void *cbarg) +{ + struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; + bfi_pport_clear_stats_req_t *msg; + + msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); + + if (!msg) { + port->stats_qfull = BFA_TRUE; + bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_clear, + port); + bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait); + return; + } + port->stats_qfull = BFA_FALSE; + + bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_stats_req_t)); + bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_STATS_REQ, + bfa_lpuid(port->bfa)); + bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); + return; +} + +static void +bfa_port_qos_stats_clear(void *cbarg) +{ + struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; + bfi_pport_clear_qos_stats_req_t *msg; + + msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT); + + if (!msg) { + port->stats_qfull = BFA_TRUE; + bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_qos_stats_clear, + port); + bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait); + return; + } + port->stats_qfull = BFA_FALSE; + + bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_qos_stats_req_t)); + bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ, + bfa_lpuid(port->bfa)); + bfa_reqq_produce(port->bfa, BFA_REQQ_PORT); + return; +} + +static void +bfa_pport_stats_swap(union bfa_pport_stats_u *d, union bfa_pport_stats_u *s) +{ + u32 *dip = (u32 *) d; + u32 *sip = (u32 *) s; + int i; + + /* + * Do 64 bit fields swap first + */ + for (i = 0; + i < + ((sizeof(union bfa_pport_stats_u) - + sizeof(struct bfa_qos_stats_s)) / sizeof(u32)); i = i + 2) { +#ifdef __BIGENDIAN + dip[i] = bfa_os_ntohl(sip[i]); + dip[i + 1] = bfa_os_ntohl(sip[i + 1]); +#else + dip[i] = bfa_os_ntohl(sip[i + 1]); + dip[i + 1] = bfa_os_ntohl(sip[i]); +#endif + } + + /* + * Now swap the 32 bit fields + */ + for (; i < (sizeof(union bfa_pport_stats_u) / sizeof(u32)); ++i) + dip[i] = bfa_os_ntohl(sip[i]); +} + +static void +__bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_pport_s *port = cbarg; + + if (complete) { + port->stats_cbfn(port->stats_cbarg, port->stats_status); + } else { + port->stats_busy = BFA_FALSE; + port->stats_status = BFA_STATUS_OK; + } +} + +static void +bfa_port_stats_clr_timeout(void *cbarg) +{ + struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; + + bfa_trc(port->bfa, port->stats_qfull); + + if (port->stats_qfull) { + bfa_reqq_wcancel(&port->stats_reqq_wait); + port->stats_qfull = BFA_FALSE; + } + + port->stats_status = BFA_STATUS_ETIMER; + bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats_clr, port); +} + +static void +__bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_pport_s *port = cbarg; + + if (complete) { + if (port->stats_status == BFA_STATUS_OK) + bfa_pport_stats_swap(port->stats_ret, port->stats); + port->stats_cbfn(port->stats_cbarg, port->stats_status); + } else { + port->stats_busy = BFA_FALSE; + port->stats_status = BFA_STATUS_OK; + } +} + +static void +bfa_port_stats_timeout(void *cbarg) +{ + struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg; + + bfa_trc(port->bfa, port->stats_qfull); + + if (port->stats_qfull) { + bfa_reqq_wcancel(&port->stats_reqq_wait); + port->stats_qfull = BFA_FALSE; + } + + port->stats_status = BFA_STATUS_ETIMER; + bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats, port); +} + +#define BFA_PORT_STATS_TOV 1000 + +/** + * Fetch port attributes. + */ +bfa_status_t +bfa_pport_get_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats, + bfa_cb_pport_t cbfn, void *cbarg) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + if (port->stats_busy) { + bfa_trc(bfa, port->stats_busy); + return (BFA_STATUS_DEVBUSY); + } + + port->stats_busy = BFA_TRUE; + port->stats_ret = stats; + port->stats_cbfn = cbfn; + port->stats_cbarg = cbarg; + + bfa_port_stats_query(port); + + bfa_timer_start(bfa, &port->timer, bfa_port_stats_timeout, port, + BFA_PORT_STATS_TOV); + return (BFA_STATUS_OK); +} + +bfa_status_t +bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + if (port->stats_busy) { + bfa_trc(bfa, port->stats_busy); + return (BFA_STATUS_DEVBUSY); + } + + port->stats_busy = BFA_TRUE; + port->stats_cbfn = cbfn; + port->stats_cbarg = cbarg; + + bfa_port_stats_clear(port); + + bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port, + BFA_PORT_STATS_TOV); + return (BFA_STATUS_OK); +} + +bfa_status_t +bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, bitmap); + bfa_trc(bfa, pport->cfg.trunked); + bfa_trc(bfa, pport->cfg.trunk_ports); + + if (!bitmap || (bitmap & (bitmap - 1))) + return BFA_STATUS_EINVAL; + + pport->cfg.trunked = BFA_TRUE; + pport->cfg.trunk_ports = bitmap; + + return BFA_STATUS_OK; +} + +void +bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + qos_attr->state = bfa_os_ntohl(pport->qos_attr.state); + qos_attr->total_bb_cr = bfa_os_ntohl(pport->qos_attr.total_bb_cr); +} + +void +bfa_pport_qos_get_vc_attr(struct bfa_s *bfa, + struct bfa_qos_vc_attr_s *qos_vc_attr) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + struct bfa_qos_vc_attr_s *bfa_vc_attr = &pport->qos_vc_attr; + u32 i = 0; + + qos_vc_attr->total_vc_count = bfa_os_ntohs(bfa_vc_attr->total_vc_count); + qos_vc_attr->shared_credit = bfa_os_ntohs(bfa_vc_attr->shared_credit); + qos_vc_attr->elp_opmode_flags = + bfa_os_ntohl(bfa_vc_attr->elp_opmode_flags); + + /* + * Individual VC info + */ + while (i < qos_vc_attr->total_vc_count) { + qos_vc_attr->vc_info[i].vc_credit = + bfa_vc_attr->vc_info[i].vc_credit; + qos_vc_attr->vc_info[i].borrow_credit = + bfa_vc_attr->vc_info[i].borrow_credit; + qos_vc_attr->vc_info[i].priority = + bfa_vc_attr->vc_info[i].priority; + ++i; + } +} + +/** + * Fetch QoS Stats. + */ +bfa_status_t +bfa_pport_get_qos_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats, + bfa_cb_pport_t cbfn, void *cbarg) +{ + /* + * QoS stats is embedded in port stats + */ + return (bfa_pport_get_stats(bfa, stats, cbfn, cbarg)); +} + +bfa_status_t +bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + if (port->stats_busy) { + bfa_trc(bfa, port->stats_busy); + return (BFA_STATUS_DEVBUSY); + } + + port->stats_busy = BFA_TRUE; + port->stats_cbfn = cbfn; + port->stats_cbarg = cbarg; + + bfa_port_qos_stats_clear(port); + + bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port, + BFA_PORT_STATS_TOV); + return (BFA_STATUS_OK); +} + +/** + * Fetch port attributes. + */ +bfa_status_t +bfa_pport_trunk_disable(struct bfa_s *bfa) +{ + return (BFA_STATUS_OK); +} + +bfa_boolean_t +bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + *bitmap = port->cfg.trunk_ports; + return port->cfg.trunked; +} + +bfa_boolean_t +bfa_pport_is_disabled(struct bfa_s *bfa) +{ + struct bfa_pport_s *port = BFA_PORT_MOD(bfa); + + return (bfa_sm_to_state(hal_pport_sm_table, port->sm) == + BFA_PPORT_ST_DISABLED); + +} + +bfa_boolean_t +bfa_pport_is_ratelim(struct bfa_s *bfa) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + +return (pport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE); + +} + +void +bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, on_off); + bfa_trc(bfa, pport->cfg.qos_enabled); + + pport->cfg.qos_enabled = on_off; +} + +void +bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, on_off); + bfa_trc(bfa, pport->cfg.ratelimit); + + pport->cfg.ratelimit = on_off; + if (pport->cfg.trl_def_speed == BFA_PPORT_SPEED_UNKNOWN) + pport->cfg.trl_def_speed = BFA_PPORT_SPEED_1GBPS; +} + +/** + * Configure default minimum ratelim speed + */ +bfa_status_t +bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, enum bfa_pport_speed speed) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, speed); + + /* + * Auto and speeds greater than the supported speed, are invalid + */ + if ((speed == BFA_PPORT_SPEED_AUTO) || (speed > pport->speed_sup)) { + bfa_trc(bfa, pport->speed_sup); + return BFA_STATUS_UNSUPP_SPEED; + } + + pport->cfg.trl_def_speed = speed; + + return (BFA_STATUS_OK); +} + +/** + * Get default minimum ratelim speed + */ +enum bfa_pport_speed +bfa_pport_get_ratelim_speed(struct bfa_s *bfa) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, pport->cfg.trl_def_speed); + return (pport->cfg.trl_def_speed); + +} + +void +bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, status); + bfa_trc(bfa, pport->diag_busy); + + pport->diag_busy = status; +} + +void +bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon, + bfa_boolean_t link_e2e_beacon) +{ + struct bfa_pport_s *pport = BFA_PORT_MOD(bfa); + + bfa_trc(bfa, beacon); + bfa_trc(bfa, link_e2e_beacon); + bfa_trc(bfa, pport->beacon); + bfa_trc(bfa, pport->link_e2e_beacon); + + pport->beacon = beacon; + pport->link_e2e_beacon = link_e2e_beacon; +} + +bfa_boolean_t +bfa_pport_is_linkup(struct bfa_s *bfa) +{ + return bfa_sm_cmp_state(BFA_PORT_MOD(bfa), bfa_pport_sm_linkup); +} + + diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c new file mode 100644 index 000000000000..7cb39a306ea9 --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcs.c @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs.c BFA FCS main + */ + +#include <fcs/bfa_fcs.h> +#include "fcs_port.h" +#include "fcs_uf.h" +#include "fcs_vport.h" +#include "fcs_rport.h" +#include "fcs_fabric.h" +#include "fcs_fcpim.h" +#include "fcs_fcptm.h" +#include "fcbuild.h" +#include "fcs.h" +#include "bfad_drv.h" +#include <fcb/bfa_fcb.h> + +/** + * FCS sub-modules + */ +struct bfa_fcs_mod_s { + void (*modinit) (struct bfa_fcs_s *fcs); + void (*modexit) (struct bfa_fcs_s *fcs); +}; + +#define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } + +static struct bfa_fcs_mod_s fcs_modules[] = { + BFA_FCS_MODULE(bfa_fcs_pport), + BFA_FCS_MODULE(bfa_fcs_uf), + BFA_FCS_MODULE(bfa_fcs_fabric), + BFA_FCS_MODULE(bfa_fcs_vport), + BFA_FCS_MODULE(bfa_fcs_rport), + BFA_FCS_MODULE(bfa_fcs_fcpim), +}; + +/** + * fcs_api BFA FCS API + */ + +static void +bfa_fcs_exit_comp(void *fcs_cbarg) +{ + struct bfa_fcs_s *fcs = fcs_cbarg; + struct bfad_s *bfad = fcs->bfad; + + complete(&bfad->comp); +} + + + +/** + * fcs_api BFA FCS API + */ + +/** + * FCS instance initialization. + * + * param[in] fcs FCS instance + * param[in] bfa BFA instance + * param[in] bfad BFA driver instance + * + * return None + */ +void +bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad, + bfa_boolean_t min_cfg) +{ + int i; + struct bfa_fcs_mod_s *mod; + + fcs->bfa = bfa; + fcs->bfad = bfad; + fcs->min_cfg = min_cfg; + + bfa_attach_fcs(bfa); + fcbuild_init(); + + for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) { + mod = &fcs_modules[i]; + mod->modinit(fcs); + } +} + +/** + * Start FCS operations. + */ +void +bfa_fcs_start(struct bfa_fcs_s *fcs) +{ + bfa_fcs_fabric_modstart(fcs); +} + +/** + * FCS driver details initialization. + * + * param[in] fcs FCS instance + * param[in] driver_info Driver Details + * + * return None + */ +void +bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, + struct bfa_fcs_driver_info_s *driver_info) +{ + + fcs->driver_info = *driver_info; + + bfa_fcs_fabric_psymb_init(&fcs->fabric); +} + +/** + * FCS instance cleanup and exit. + * + * param[in] fcs FCS instance + * return None + */ +void +bfa_fcs_exit(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_mod_s *mod; + int nmods, i; + + bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs); + + nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]); + + for (i = 0; i < nmods; i++) { + bfa_wc_up(&fcs->wc); + + mod = &fcs_modules[i]; + mod->modexit(fcs); + } + + bfa_wc_wait(&fcs->wc); +} + + +void +bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod) +{ + fcs->trcmod = trcmod; +} + + +void +bfa_fcs_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod) +{ + fcs->logm = logmod; +} + + +void +bfa_fcs_aen_init(struct bfa_fcs_s *fcs, struct bfa_aen_s *aen) +{ + fcs->aen = aen; +} + +void +bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs) +{ + bfa_wc_down(&fcs->wc); +} + + diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c new file mode 100644 index 000000000000..8975ed041dc0 --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -0,0 +1,940 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_port.c BFA FCS port + */ + +#include <fcs/bfa_fcs.h> +#include <fcs/bfa_fcs_lport.h> +#include <fcs/bfa_fcs_rport.h> +#include <fcb/bfa_fcb_port.h> +#include <bfa_svc.h> +#include <log/bfa_log_fcs.h> +#include "fcs.h" +#include "fcs_lport.h" +#include "fcs_vport.h" +#include "fcs_rport.h" +#include "fcs_fcxp.h" +#include "fcs_trcmod.h" +#include "lport_priv.h" +#include <aen/bfa_aen_lport.h> + +BFA_TRC_FILE(FCS, PORT); + +/** + * Forward declarations + */ + +static void bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port, + enum bfa_lport_aen_event event); +static void bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, u8 reason_code, + u8 reason_code_expl); +static void bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, + struct fc_logi_s *plogi); +static void bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_deleted(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_echo(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, + struct fc_echo_s *echo, u16 len); +static void bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, + struct fc_rnid_cmd_s *rnid, u16 len); +static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port, + struct fc_rnid_general_topology_data_s *gen_topo_data); + +static struct { + void (*init) (struct bfa_fcs_port_s *port); + void (*online) (struct bfa_fcs_port_s *port); + void (*offline) (struct bfa_fcs_port_s *port); +} __port_action[] = { + { + bfa_fcs_port_unknown_init, bfa_fcs_port_unknown_online, + bfa_fcs_port_unknown_offline}, { + bfa_fcs_port_fab_init, bfa_fcs_port_fab_online, + bfa_fcs_port_fab_offline}, { + bfa_fcs_port_loop_init, bfa_fcs_port_loop_online, + bfa_fcs_port_loop_offline}, { +bfa_fcs_port_n2n_init, bfa_fcs_port_n2n_online, + bfa_fcs_port_n2n_offline},}; + +/** + * fcs_port_sm FCS logical port state machine + */ + +enum bfa_fcs_port_event { + BFA_FCS_PORT_SM_CREATE = 1, + BFA_FCS_PORT_SM_ONLINE = 2, + BFA_FCS_PORT_SM_OFFLINE = 3, + BFA_FCS_PORT_SM_DELETE = 4, + BFA_FCS_PORT_SM_DELRPORT = 5, +}; + +static void bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); + +static void +bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_CREATE: + bfa_sm_set_state(port, bfa_fcs_port_sm_init); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, enum bfa_fcs_port_event event) +{ + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_ONLINE: + bfa_sm_set_state(port, bfa_fcs_port_sm_online); + bfa_fcs_port_online_actions(port); + break; + + case BFA_FCS_PORT_SM_DELETE: + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe, *qen; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_OFFLINE: + bfa_sm_set_state(port, bfa_fcs_port_sm_offline); + bfa_fcs_port_offline_actions(port); + break; + + case BFA_FCS_PORT_SM_DELETE: + + __port_action[port->fabric->fab_type].offline(port); + + if (port->num_rports == 0) { + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + } else { + bfa_sm_set_state(port, bfa_fcs_port_sm_deleting); + list_for_each_safe(qe, qen, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + bfa_fcs_rport_delete(rport); + } + } + break; + + case BFA_FCS_PORT_SM_DELRPORT: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe, *qen; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_ONLINE: + bfa_sm_set_state(port, bfa_fcs_port_sm_online); + bfa_fcs_port_online_actions(port); + break; + + case BFA_FCS_PORT_SM_DELETE: + if (port->num_rports == 0) { + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + } else { + bfa_sm_set_state(port, bfa_fcs_port_sm_deleting); + list_for_each_safe(qe, qen, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + bfa_fcs_rport_delete(rport); + } + } + break; + + case BFA_FCS_PORT_SM_DELRPORT: + case BFA_FCS_PORT_SM_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_DELRPORT: + if (port->num_rports == 0) { + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + } + break; + + default: + bfa_assert(0); + } +} + + + +/** + * fcs_port_pvt + */ + +/** + * Send AEN notification + */ +static void +bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port, + enum bfa_lport_aen_event event) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = port->fcs->logm; + enum bfa_port_role role = port->port_cfg.roles; + wwn_t lpwwn = bfa_fcs_port_get_pwwn(port); + char lpwwn_ptr[BFA_STRING_32]; + char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] = + { "Initiator", "Target", "IPFC" }; + + wwn2str(lpwwn_ptr, lpwwn); + + bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX); + + switch (event) { + case BFA_LPORT_AEN_ONLINE: + bfa_log(logmod, BFA_AEN_LPORT_ONLINE, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_OFFLINE: + bfa_log(logmod, BFA_AEN_LPORT_OFFLINE, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_NEW: + bfa_log(logmod, BFA_AEN_LPORT_NEW, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_DELETE: + bfa_log(logmod, BFA_AEN_LPORT_DELETE, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_DISCONNECT: + bfa_log(logmod, BFA_AEN_LPORT_DISCONNECT, lpwwn_ptr, + role_str[role / 2]); + break; + default: + break; + } + + aen_data.lport.vf_id = port->fabric->vf_id; + aen_data.lport.roles = role; + aen_data.lport.ppwwn = + bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs)); + aen_data.lport.lpwwn = lpwwn; +} + +/* + * Send a LS reject + */ +static void +bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + u8 reason_code, u8 reason_code_expl) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + int len; + + bfa_trc(port->fcs, rx_fchs->s_id); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, + reason_code, reason_code_expl); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); +} + +/** + * Process incoming plogi from a remote port. + */ +static void +bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + struct fc_logi_s *plogi) +{ + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_trc(port->fcs, rx_fchs->s_id); + + /* + * If min cfg mode is enabled, drop any incoming PLOGIs + */ + if (__fcs_min_cfg(port->fcs)) { + bfa_trc(port->fcs, rx_fchs->s_id); + return; + } + + if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) { + bfa_trc(port->fcs, rx_fchs->s_id); + /* + * send a LS reject + */ + bfa_fcs_port_send_ls_rjt(port, rx_fchs, + FC_LS_RJT_RSN_PROTOCOL_ERROR, + FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS); + return; + } + + /** +* Direct Attach P2P mode : verify address assigned by the r-port. + */ + if ((!bfa_fcs_fabric_is_switched(port->fabric)) + && + (memcmp + ((void *)&bfa_fcs_port_get_pwwn(port), (void *)&plogi->port_name, + sizeof(wwn_t)) < 0)) { + if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) { + /* + * Address assigned to us cannot be a WKA + */ + bfa_fcs_port_send_ls_rjt(port, rx_fchs, + FC_LS_RJT_RSN_PROTOCOL_ERROR, + FC_LS_RJT_EXP_INVALID_NPORT_ID); + return; + } + port->pid = rx_fchs->d_id; + } + + /** + * First, check if we know the device by pwwn. + */ + rport = bfa_fcs_port_get_rport_by_pwwn(port, plogi->port_name); + if (rport) { + /** + * Direct Attach P2P mode: handle address assigned by the rport. + */ + if ((!bfa_fcs_fabric_is_switched(port->fabric)) + && + (memcmp + ((void *)&bfa_fcs_port_get_pwwn(port), + (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) { + port->pid = rx_fchs->d_id; + rport->pid = rx_fchs->s_id; + } + bfa_fcs_rport_plogi(rport, rx_fchs, plogi); + return; + } + + /** + * Next, lookup rport by PID. + */ + rport = bfa_fcs_port_get_rport_by_pid(port, rx_fchs->s_id); + if (!rport) { + /** + * Inbound PLOGI from a new device. + */ + bfa_fcs_rport_plogi_create(port, rx_fchs, plogi); + return; + } + + /** + * Rport is known only by PID. + */ + if (rport->pwwn) { + /** + * This is a different device with the same pid. Old device + * disappeared. Send implicit LOGO to old device. + */ + bfa_assert(rport->pwwn != plogi->port_name); + bfa_fcs_rport_logo_imp(rport); + + /** + * Inbound PLOGI from a new device (with old PID). + */ + bfa_fcs_rport_plogi_create(port, rx_fchs, plogi); + return; + } + + /** + * PLOGI crossing each other. + */ + bfa_assert(rport->pwwn == WWN_NULL); + bfa_fcs_rport_plogi(rport, rx_fchs, plogi); +} + +/* + * Process incoming ECHO. + * Since it does not require a login, it is processed here. + */ +static void +bfa_fcs_port_echo(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + struct fc_echo_s *echo, u16 rx_len) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + int len, pyld_len; + + bfa_trc(port->fcs, rx_fchs->s_id); + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_trc(port->fcs, rx_len); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id); + + /* + * Copy the payload (if any) from the echo frame + */ + pyld_len = rx_len - sizeof(struct fchs_s); + bfa_trc(port->fcs, pyld_len); + + if (pyld_len > len) + memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) + + sizeof(struct fc_echo_s), (echo + 1), + (pyld_len - sizeof(struct fc_echo_s))); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); +} + +/* + * Process incoming RNID. + * Since it does not require a login, it is processed here. + */ +static void +bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + struct fc_rnid_cmd_s *rnid, u16 rx_len) +{ + struct fc_rnid_common_id_data_s common_id_data; + struct fc_rnid_general_topology_data_s gen_topo_data; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + u16 len; + u32 data_format; + + bfa_trc(port->fcs, rx_fchs->s_id); + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_trc(port->fcs, rx_len); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + /* + * Check Node Indentification Data Format + * We only support General Topology Discovery Format. + * For any other requested Data Formats, we return Common Node Id Data + * only, as per FC-LS. + */ + bfa_trc(port->fcs, rnid->node_id_data_format); + if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) { + data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY; + /* + * Get General topology data for this port + */ + bfa_fs_port_get_gen_topo_data(port, &gen_topo_data); + } else { + data_format = RNID_NODEID_DATA_FORMAT_COMMON; + } + + /* + * Copy the Node Id Info + */ + common_id_data.port_name = bfa_fcs_port_get_pwwn(port); + common_id_data.node_name = bfa_fcs_port_get_nwwn(port); + + len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, + data_format, &common_id_data, &gen_topo_data); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); + + return; +} + +/* + * Fill out General Topolpgy Discovery Data for RNID ELS. + */ +static void +bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port, + struct fc_rnid_general_topology_data_s *gen_topo_data) +{ + + bfa_os_memset(gen_topo_data, 0, + sizeof(struct fc_rnid_general_topology_data_s)); + + gen_topo_data->asso_type = bfa_os_htonl(RNID_ASSOCIATED_TYPE_HOST); + gen_topo_data->phy_port_num = 0; /* @todo */ + gen_topo_data->num_attached_nodes = bfa_os_htonl(1); +} + +static void +bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port) +{ + bfa_trc(port->fcs, port->fabric->oper_type); + + __port_action[port->fabric->fab_type].init(port); + __port_action[port->fabric->fab_type].online(port); + + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_ONLINE); + bfa_fcb_port_online(port->fcs->bfad, port->port_cfg.roles, + port->fabric->vf_drv, (port->vport == NULL) ? + NULL : port->vport->vport_drv); +} + +static void +bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port) +{ + struct list_head *qe, *qen; + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, port->fabric->oper_type); + + __port_action[port->fabric->fab_type].offline(port); + + if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE) { + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DISCONNECT); + } else { + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_OFFLINE); + } + bfa_fcb_port_offline(port->fcs->bfad, port->port_cfg.roles, + port->fabric->vf_drv, + (port->vport == NULL) ? NULL : port->vport->vport_drv); + + list_for_each_safe(qe, qen, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + bfa_fcs_rport_offline(rport); + } +} + +static void +bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port) +{ + bfa_assert(0); +} + +static void +bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port) +{ + bfa_assert(0); +} + +static void +bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port) +{ + bfa_assert(0); +} + +static void +bfa_fcs_port_deleted(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DELETE); + + /* + * Base port will be deleted by the OS driver + */ + if (port->vport) { + bfa_fcb_port_delete(port->fcs->bfad, port->port_cfg.roles, + port->fabric->vf_drv, + port->vport ? port->vport->vport_drv : NULL); + bfa_fcs_vport_delete_comp(port->vport); + } else { + bfa_fcs_fabric_port_delete_comp(port->fabric); + } +} + + + +/** + * fcs_lport_api BFA FCS port API + */ +/** + * Module initialization + */ +void +bfa_fcs_port_modinit(struct bfa_fcs_s *fcs) +{ + +} + +/** + * Module cleanup + */ +void +bfa_fcs_port_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} + +/** + * Unsolicited frame receive handling. + */ +void +bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, + u16 len) +{ + u32 pid = fchs->s_id; + struct bfa_fcs_rport_s *rport = NULL; + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + bfa_stats(lport, uf_recvs); + + if (!bfa_fcs_port_is_online(lport)) { + bfa_stats(lport, uf_recv_drops); + return; + } + + /** + * First, handle ELSs that donot require a login. + */ + /* + * Handle PLOGI first + */ + if ((fchs->type == FC_TYPE_ELS) && + (els_cmd->els_code == FC_ELS_PLOGI)) { + bfa_fcs_port_plogi(lport, fchs, (struct fc_logi_s *) els_cmd); + return; + } + + /* + * Handle ECHO separately. + */ + if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) { + bfa_fcs_port_echo(lport, fchs, + (struct fc_echo_s *) els_cmd, len); + return; + } + + /* + * Handle RNID separately. + */ + if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) { + bfa_fcs_port_rnid(lport, fchs, + (struct fc_rnid_cmd_s *) els_cmd, len); + return; + } + + /** + * look for a matching remote port ID + */ + rport = bfa_fcs_port_get_rport_by_pid(lport, pid); + if (rport) { + bfa_trc(rport->fcs, fchs->s_id); + bfa_trc(rport->fcs, fchs->d_id); + bfa_trc(rport->fcs, fchs->type); + + bfa_fcs_rport_uf_recv(rport, fchs, len); + return; + } + + /** + * Only handles ELS frames for now. + */ + if (fchs->type != FC_TYPE_ELS) { + bfa_trc(lport->fcs, fchs->type); + bfa_assert(0); + return; + } + + bfa_trc(lport->fcs, els_cmd->els_code); + if (els_cmd->els_code == FC_ELS_RSCN) { + bfa_fcs_port_scn_process_rscn(lport, fchs, len); + return; + } + + if (els_cmd->els_code == FC_ELS_LOGO) { + /** + * @todo Handle LOGO frames received. + */ + bfa_trc(lport->fcs, els_cmd->els_code); + return; + } + + if (els_cmd->els_code == FC_ELS_PRLI) { + /** + * @todo Handle PRLI frames received. + */ + bfa_trc(lport->fcs, els_cmd->els_code); + return; + } + + /** + * Unhandled ELS frames. Send a LS_RJT. + */ + bfa_fcs_port_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP, + FC_LS_RJT_EXP_NO_ADDL_INFO); + +} + +/** + * PID based Lookup for a R-Port in the Port R-Port Queue + */ +struct bfa_fcs_rport_s * +bfa_fcs_port_get_rport_by_pid(struct bfa_fcs_port_s *port, u32 pid) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe; + + list_for_each(qe, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + if (rport->pid == pid) + return rport; + } + + bfa_trc(port->fcs, pid); + return NULL; +} + +/** + * PWWN based Lookup for a R-Port in the Port R-Port Queue + */ +struct bfa_fcs_rport_s * +bfa_fcs_port_get_rport_by_pwwn(struct bfa_fcs_port_s *port, wwn_t pwwn) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe; + + list_for_each(qe, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + if (wwn_is_equal(rport->pwwn, pwwn)) + return rport; + } + + bfa_trc(port->fcs, pwwn); + return (NULL); +} + +/** + * NWWN based Lookup for a R-Port in the Port R-Port Queue + */ +struct bfa_fcs_rport_s * +bfa_fcs_port_get_rport_by_nwwn(struct bfa_fcs_port_s *port, wwn_t nwwn) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe; + + list_for_each(qe, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + if (wwn_is_equal(rport->nwwn, nwwn)) + return rport; + } + + bfa_trc(port->fcs, nwwn); + return (NULL); +} + +/** + * Called by rport module when new rports are discovered. + */ +void +bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port, + struct bfa_fcs_rport_s *rport) +{ + list_add_tail(&rport->qe, &port->rport_q); + port->num_rports++; +} + +/** + * Called by rport module to when rports are deleted. + */ +void +bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port, + struct bfa_fcs_rport_s *rport) +{ + bfa_assert(bfa_q_is_on_q(&port->rport_q, rport)); + list_del(&rport->qe); + port->num_rports--; + + bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT); +} + +/** + * Called by fabric for base port when fabric login is complete. + * Called by vport for virtual ports when FDISC is complete. + */ +void +bfa_fcs_port_online(struct bfa_fcs_port_s *port) +{ + bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE); +} + +/** + * Called by fabric for base port when fabric goes offline. + * Called by vport for virtual ports when virtual port becomes offline. + */ +void +bfa_fcs_port_offline(struct bfa_fcs_port_s *port) +{ + bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE); +} + +/** + * Called by fabric to delete base lport and associated resources. + * + * Called by vport to delete lport and associated resources. Should call + * bfa_fcs_vport_delete_comp() for vports on completion. + */ +void +bfa_fcs_port_delete(struct bfa_fcs_port_s *port) +{ + bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE); +} + +/** + * Called by fabric in private loop topology to process LIP event. + */ +void +bfa_fcs_port_lip(struct bfa_fcs_port_s *port) +{ +} + +/** + * Return TRUE if port is online, else return FALSE + */ +bfa_boolean_t +bfa_fcs_port_is_online(struct bfa_fcs_port_s *port) +{ + return (bfa_sm_cmp_state(port, bfa_fcs_port_sm_online)); +} + +/** + * Logical port initialization of base or virtual port. + * Called by fabric for base port or by vport for virtual ports. + */ +void +bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_port_cfg_s *port_cfg, + struct bfa_fcs_vport_s *vport) +{ + lport->fcs = fcs; + lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id); + bfa_os_assign(lport->port_cfg, *port_cfg); + lport->vport = vport; + lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) : + bfa_lps_get_tag(lport->fabric->lps); + + INIT_LIST_HEAD(&lport->rport_q); + lport->num_rports = 0; + + lport->bfad_port = + bfa_fcb_port_new(fcs->bfad, lport, lport->port_cfg.roles, + lport->fabric->vf_drv, + vport ? vport->vport_drv : NULL); + bfa_fcs_port_aen_post(lport, BFA_LPORT_AEN_NEW); + + bfa_sm_set_state(lport, bfa_fcs_port_sm_uninit); + bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE); +} + + + +/** + * fcs_lport_api + */ + +void +bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port, + struct bfa_port_attr_s *port_attr) +{ + if (bfa_sm_cmp_state(port, bfa_fcs_port_sm_online)) + port_attr->pid = port->pid; + else + port_attr->pid = 0; + + port_attr->port_cfg = port->port_cfg; + + if (port->fabric) { + port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric); + port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric); + port_attr->fabric_name = bfa_fcs_port_get_fabric_name(port); + memcpy(port_attr->fabric_ip_addr, + bfa_fcs_port_get_fabric_ipaddr(port), + BFA_FCS_FABRIC_IPADDR_SZ); + + if (port->vport != NULL) + port_attr->port_type = BFA_PPORT_TYPE_VPORT; + + } else { + port_attr->port_type = BFA_PPORT_TYPE_UNKNOWN; + port_attr->state = BFA_PORT_UNINIT; + } + +} + + diff --git a/drivers/scsi/bfa/bfa_fcs_port.c b/drivers/scsi/bfa/bfa_fcs_port.c new file mode 100644 index 000000000000..9c4b24e62de1 --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcs_port.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_pport.c BFA FCS PPORT ( physical port) + */ + +#include <fcs/bfa_fcs.h> +#include <bfa_svc.h> +#include <fcs/bfa_fcs_fabric.h> +#include "fcs_trcmod.h" +#include "fcs.h" +#include "fcs_fabric.h" +#include "fcs_port.h" + +BFA_TRC_FILE(FCS, PPORT); + +static void +bfa_fcs_pport_event_handler(void *cbarg, bfa_pport_event_t event) +{ + struct bfa_fcs_s *fcs = cbarg; + + bfa_trc(fcs, event); + + switch (event) { + case BFA_PPORT_LINKUP: + bfa_fcs_fabric_link_up(&fcs->fabric); + break; + + case BFA_PPORT_LINKDOWN: + bfa_fcs_fabric_link_down(&fcs->fabric); + break; + + case BFA_PPORT_TRUNK_LINKDOWN: + bfa_assert(0); + break; + + default: + bfa_assert(0); + } +} + +void +bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs) +{ + bfa_pport_event_register(fcs->bfa, bfa_fcs_pport_event_handler, + fcs); +} + +void +bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} diff --git a/drivers/scsi/bfa/bfa_fcs_uf.c b/drivers/scsi/bfa/bfa_fcs_uf.c new file mode 100644 index 000000000000..ad01db6444b2 --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcs_uf.c @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_uf.c BFA FCS UF ( Unsolicited Frames) + */ + +#include <fcs/bfa_fcs.h> +#include <bfa_svc.h> +#include <fcs/bfa_fcs_fabric.h> +#include "fcs.h" +#include "fcs_trcmod.h" +#include "fcs_fabric.h" +#include "fcs_uf.h" + +BFA_TRC_FILE(FCS, UF); + +/** + * BFA callback for unsolicited frame receive handler. + * + * @param[in] cbarg callback arg for receive handler + * @param[in] uf unsolicited frame descriptor + * + * @return None + */ +static void +bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf) +{ + struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg; + struct fchs_s *fchs = bfa_uf_get_frmbuf(uf); + u16 len = bfa_uf_get_frmlen(uf); + struct fc_vft_s *vft; + struct bfa_fcs_fabric_s *fabric; + + /** + * check for VFT header + */ + if (fchs->routing == FC_RTG_EXT_HDR && + fchs->cat_info == FC_CAT_VFT_HDR) { + bfa_stats(fcs, uf.tagged); + vft = bfa_uf_get_frmbuf(uf); + if (fcs->port_vfid == vft->vf_id) + fabric = &fcs->fabric; + else + fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id); + + /** + * drop frame if vfid is unknown + */ + if (!fabric) { + bfa_assert(0); + bfa_stats(fcs, uf.vfid_unknown); + bfa_uf_free(uf); + return; + } + + /** + * skip vft header + */ + fchs = (struct fchs_s *) (vft + 1); + len -= sizeof(struct fc_vft_s); + + bfa_trc(fcs, vft->vf_id); + } else { + bfa_stats(fcs, uf.untagged); + fabric = &fcs->fabric; + } + + bfa_trc(fcs, ((u32 *) fchs)[0]); + bfa_trc(fcs, ((u32 *) fchs)[1]); + bfa_trc(fcs, ((u32 *) fchs)[2]); + bfa_trc(fcs, ((u32 *) fchs)[3]); + bfa_trc(fcs, ((u32 *) fchs)[4]); + bfa_trc(fcs, ((u32 *) fchs)[5]); + bfa_trc(fcs, len); + + bfa_fcs_fabric_uf_recv(fabric, fchs, len); + bfa_uf_free(uf); +} + +void +bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs) +{ + bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs); +} + +void +bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} diff --git a/drivers/scsi/bfa/bfa_fcxp.c b/drivers/scsi/bfa/bfa_fcxp.c new file mode 100644 index 000000000000..4754a0e9006a --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcxp.c @@ -0,0 +1,782 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfi/bfi_uf.h> +#include <cs/bfa_debug.h> + +BFA_TRC_FILE(HAL, FCXP); +BFA_MODULE(fcxp); + +/** + * forward declarations + */ +static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete); +static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp, + struct bfi_fcxp_send_rsp_s *fcxp_rsp); +static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, + struct bfa_fcxp_s *fcxp, struct fchs_s *fchs); +static void bfa_fcxp_qresume(void *cbarg); +static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, + struct bfi_fcxp_send_req_s *send_req); + +/** + * fcxp_pvt BFA FCXP private functions + */ + +static void +claim_fcxp_req_rsp_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi) +{ + u8 *dm_kva = NULL; + u64 dm_pa; + u32 buf_pool_sz; + + dm_kva = bfa_meminfo_dma_virt(mi); + dm_pa = bfa_meminfo_dma_phys(mi); + + buf_pool_sz = mod->req_pld_sz * mod->num_fcxps; + + /* + * Initialize the fcxp req payload list + */ + mod->req_pld_list_kva = dm_kva; + mod->req_pld_list_pa = dm_pa; + dm_kva += buf_pool_sz; + dm_pa += buf_pool_sz; + bfa_os_memset(mod->req_pld_list_kva, 0, buf_pool_sz); + + /* + * Initialize the fcxp rsp payload list + */ + buf_pool_sz = mod->rsp_pld_sz * mod->num_fcxps; + mod->rsp_pld_list_kva = dm_kva; + mod->rsp_pld_list_pa = dm_pa; + dm_kva += buf_pool_sz; + dm_pa += buf_pool_sz; + bfa_os_memset(mod->rsp_pld_list_kva, 0, buf_pool_sz); + + bfa_meminfo_dma_virt(mi) = dm_kva; + bfa_meminfo_dma_phys(mi) = dm_pa; +} + +static void +claim_fcxps_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi) +{ + u16 i; + struct bfa_fcxp_s *fcxp; + + fcxp = (struct bfa_fcxp_s *) bfa_meminfo_kva(mi); + bfa_os_memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps); + + INIT_LIST_HEAD(&mod->fcxp_free_q); + INIT_LIST_HEAD(&mod->fcxp_active_q); + + mod->fcxp_list = fcxp; + + for (i = 0; i < mod->num_fcxps; i++) { + fcxp->fcxp_mod = mod; + fcxp->fcxp_tag = i; + + list_add_tail(&fcxp->qe, &mod->fcxp_free_q); + bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp); + fcxp->reqq_waiting = BFA_FALSE; + + fcxp = fcxp + 1; + } + + bfa_meminfo_kva(mi) = (void *)fcxp; +} + +static void +bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, + u32 *dm_len) +{ + u16 num_fcxp_reqs = cfg->fwcfg.num_fcxp_reqs; + + if (num_fcxp_reqs == 0) + return; + + /* + * Account for req/rsp payload + */ + *dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs; + if (cfg->drvcfg.min_cfg) + *dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs; + else + *dm_len += BFA_FCXP_MAX_LBUF_SZ * num_fcxp_reqs; + + /* + * Account for fcxp structs + */ + *ndm_len += sizeof(struct bfa_fcxp_s) * num_fcxp_reqs; +} + +static void +bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); + + bfa_os_memset(mod, 0, sizeof(struct bfa_fcxp_mod_s)); + mod->bfa = bfa; + mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs; + + /** + * Initialize FCXP request and response payload sizes. + */ + mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ; + if (!cfg->drvcfg.min_cfg) + mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ; + + INIT_LIST_HEAD(&mod->wait_q); + + claim_fcxp_req_rsp_mem(mod, meminfo); + claim_fcxps_mem(mod, meminfo); +} + +static void +bfa_fcxp_initdone(struct bfa_s *bfa) +{ +} + +static void +bfa_fcxp_detach(struct bfa_s *bfa) +{ +} + +static void +bfa_fcxp_start(struct bfa_s *bfa) +{ +} + +static void +bfa_fcxp_stop(struct bfa_s *bfa) +{ +} + +static void +bfa_fcxp_iocdisable(struct bfa_s *bfa) +{ + struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); + struct bfa_fcxp_s *fcxp; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &mod->fcxp_active_q) { + fcxp = (struct bfa_fcxp_s *) qe; + if (fcxp->caller == NULL) { + fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg, + BFA_STATUS_IOC_FAILURE, 0, 0, NULL); + bfa_fcxp_free(fcxp); + } else { + fcxp->rsp_status = BFA_STATUS_IOC_FAILURE; + bfa_cb_queue(bfa, &fcxp->hcb_qe, + __bfa_fcxp_send_cbfn, fcxp); + } + } +} + +static struct bfa_fcxp_s * +bfa_fcxp_get(struct bfa_fcxp_mod_s *fm) +{ + struct bfa_fcxp_s *fcxp; + + bfa_q_deq(&fm->fcxp_free_q, &fcxp); + + if (fcxp) + list_add_tail(&fcxp->qe, &fm->fcxp_active_q); + + return (fcxp); +} + +static void +bfa_fcxp_put(struct bfa_fcxp_s *fcxp) +{ + struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; + struct bfa_fcxp_wqe_s *wqe; + + bfa_q_deq(&mod->wait_q, &wqe); + if (wqe) { + bfa_trc(mod->bfa, fcxp->fcxp_tag); + wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp); + return; + } + + bfa_assert(bfa_q_is_on_q(&mod->fcxp_active_q, fcxp)); + list_del(&fcxp->qe); + list_add_tail(&fcxp->qe, &mod->fcxp_free_q); +} + +static void +bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + /**discarded fcxp completion */ +} + +static void +__bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_fcxp_s *fcxp = cbarg; + + if (complete) { + fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg, + fcxp->rsp_status, fcxp->rsp_len, + fcxp->residue_len, &fcxp->rsp_fchs); + } else { + bfa_fcxp_free(fcxp); + } +} + +static void +hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp) +{ + struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); + struct bfa_fcxp_s *fcxp; + u16 fcxp_tag = bfa_os_ntohs(fcxp_rsp->fcxp_tag); + + bfa_trc(bfa, fcxp_tag); + + fcxp_rsp->rsp_len = bfa_os_ntohl(fcxp_rsp->rsp_len); + + /** + * @todo f/w should not set residue to non-0 when everything + * is received. + */ + if (fcxp_rsp->req_status == BFA_STATUS_OK) + fcxp_rsp->residue_len = 0; + else + fcxp_rsp->residue_len = bfa_os_ntohl(fcxp_rsp->residue_len); + + fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag); + + bfa_assert(fcxp->send_cbfn != NULL); + + hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp); + + if (fcxp->send_cbfn != NULL) { + if (fcxp->caller == NULL) { + bfa_trc(mod->bfa, fcxp->fcxp_tag); + + fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg, + fcxp_rsp->req_status, fcxp_rsp->rsp_len, + fcxp_rsp->residue_len, &fcxp_rsp->fchs); + /* + * fcxp automatically freed on return from the callback + */ + bfa_fcxp_free(fcxp); + } else { + bfa_trc(mod->bfa, fcxp->fcxp_tag); + fcxp->rsp_status = fcxp_rsp->req_status; + fcxp->rsp_len = fcxp_rsp->rsp_len; + fcxp->residue_len = fcxp_rsp->residue_len; + fcxp->rsp_fchs = fcxp_rsp->fchs; + + bfa_cb_queue(bfa, &fcxp->hcb_qe, + __bfa_fcxp_send_cbfn, fcxp); + } + } else { + bfa_trc(bfa, fcxp_tag); + } +} + +static void +hal_fcxp_set_local_sges(struct bfi_sge_s *sge, u32 reqlen, u64 req_pa) +{ + union bfi_addr_u sga_zero = { {0} }; + + sge->sg_len = reqlen; + sge->flags = BFI_SGE_DATA_LAST; + bfa_dma_addr_set(sge[0].sga, req_pa); + bfa_sge_to_be(sge); + sge++; + + sge->sga = sga_zero; + sge->sg_len = reqlen; + sge->flags = BFI_SGE_PGDLEN; + bfa_sge_to_be(sge); +} + +static void +hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp, + struct fchs_s *fchs) +{ + /* + * TODO: TX ox_id + */ + if (reqlen > 0) { + if (fcxp->use_ireqbuf) { + u32 pld_w0 = + *((u32 *) BFA_FCXP_REQ_PLD(fcxp)); + + bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP, + BFA_PL_EID_TX, + reqlen + sizeof(struct fchs_s), fchs, pld_w0); + } else { + bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, + BFA_PL_EID_TX, reqlen + sizeof(struct fchs_s), + fchs); + } + } else { + bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX, + reqlen + sizeof(struct fchs_s), fchs); + } +} + +static void +hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp, + struct bfi_fcxp_send_rsp_s *fcxp_rsp) +{ + if (fcxp_rsp->rsp_len > 0) { + if (fcxp->use_irspbuf) { + u32 pld_w0 = + *((u32 *) BFA_FCXP_RSP_PLD(fcxp)); + + bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP, + BFA_PL_EID_RX, + (u16) fcxp_rsp->rsp_len, + &fcxp_rsp->fchs, pld_w0); + } else { + bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, + BFA_PL_EID_RX, + (u16) fcxp_rsp->rsp_len, + &fcxp_rsp->fchs); + } + } else { + bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX, + (u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs); + } +} + +/** + * Handler to resume sending fcxp when space in available in cpe queue. + */ +static void +bfa_fcxp_qresume(void *cbarg) +{ + struct bfa_fcxp_s *fcxp = cbarg; + struct bfa_s *bfa = fcxp->fcxp_mod->bfa; + struct bfi_fcxp_send_req_s *send_req; + + fcxp->reqq_waiting = BFA_FALSE; + send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP); + bfa_fcxp_queue(fcxp, send_req); +} + +/** + * Queue fcxp send request to foimrware. + */ +static void +bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req) +{ + struct bfa_s *bfa = fcxp->fcxp_mod->bfa; + struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info; + struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info; + struct bfa_rport_s *rport = reqi->bfa_rport; + + bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ, + bfa_lpuid(bfa)); + + send_req->fcxp_tag = bfa_os_htons(fcxp->fcxp_tag); + if (rport) { + send_req->rport_fw_hndl = rport->fw_handle; + send_req->max_frmsz = bfa_os_htons(rport->rport_info.max_frmsz); + if (send_req->max_frmsz == 0) + send_req->max_frmsz = bfa_os_htons(FC_MAX_PDUSZ); + } else { + send_req->rport_fw_hndl = 0; + send_req->max_frmsz = bfa_os_htons(FC_MAX_PDUSZ); + } + + send_req->vf_id = bfa_os_htons(reqi->vf_id); + send_req->lp_tag = reqi->lp_tag; + send_req->class = reqi->class; + send_req->rsp_timeout = rspi->rsp_timeout; + send_req->cts = reqi->cts; + send_req->fchs = reqi->fchs; + + send_req->req_len = bfa_os_htonl(reqi->req_tot_len); + send_req->rsp_maxlen = bfa_os_htonl(rspi->rsp_maxlen); + + /* + * setup req sgles + */ + if (fcxp->use_ireqbuf == 1) { + hal_fcxp_set_local_sges(send_req->req_sge, reqi->req_tot_len, + BFA_FCXP_REQ_PLD_PA(fcxp)); + } else { + if (fcxp->nreq_sgles > 0) { + bfa_assert(fcxp->nreq_sgles == 1); + hal_fcxp_set_local_sges(send_req->req_sge, + reqi->req_tot_len, + fcxp->req_sga_cbfn(fcxp->caller, + 0)); + } else { + bfa_assert(reqi->req_tot_len == 0); + hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0); + } + } + + /* + * setup rsp sgles + */ + if (fcxp->use_irspbuf == 1) { + bfa_assert(rspi->rsp_maxlen <= BFA_FCXP_MAX_LBUF_SZ); + + hal_fcxp_set_local_sges(send_req->rsp_sge, rspi->rsp_maxlen, + BFA_FCXP_RSP_PLD_PA(fcxp)); + + } else { + if (fcxp->nrsp_sgles > 0) { + bfa_assert(fcxp->nrsp_sgles == 1); + hal_fcxp_set_local_sges(send_req->rsp_sge, + rspi->rsp_maxlen, + fcxp->rsp_sga_cbfn(fcxp->caller, + 0)); + } else { + bfa_assert(rspi->rsp_maxlen == 0); + hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0); + } + } + + hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs); + + bfa_reqq_produce(bfa, BFA_REQQ_FCXP); + + bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP)); + bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP)); +} + + +/** + * hal_fcxp_api BFA FCXP API + */ + +/** + * Allocate an FCXP instance to send a response or to send a request + * that has a response. Request/response buffers are allocated by caller. + * + * @param[in] bfa BFA bfa instance + * @param[in] nreq_sgles Number of SG elements required for request + * buffer. 0, if fcxp internal buffers are used. + * Use bfa_fcxp_get_reqbuf() to get the + * internal req buffer. + * @param[in] req_sgles SG elements describing request buffer. Will be + * copied in by BFA and hence can be freed on + * return from this function. + * @param[in] get_req_sga function ptr to be called to get a request SG + * Address (given the sge index). + * @param[in] get_req_sglen function ptr to be called to get a request SG + * len (given the sge index). + * @param[in] get_rsp_sga function ptr to be called to get a response SG + * Address (given the sge index). + * @param[in] get_rsp_sglen function ptr to be called to get a response SG + * len (given the sge index). + * + * @return FCXP instance. NULL on failure. + */ +struct bfa_fcxp_s * +bfa_fcxp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles, + int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn, + bfa_fcxp_get_sglen_t req_sglen_cbfn, + bfa_fcxp_get_sgaddr_t rsp_sga_cbfn, + bfa_fcxp_get_sglen_t rsp_sglen_cbfn) +{ + struct bfa_fcxp_s *fcxp = NULL; + u32 nreq_sgpg, nrsp_sgpg; + + bfa_assert(bfa != NULL); + + fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa)); + if (fcxp == NULL) + return (NULL); + + bfa_trc(bfa, fcxp->fcxp_tag); + + fcxp->caller = caller; + + if (nreq_sgles == 0) { + fcxp->use_ireqbuf = 1; + } else { + bfa_assert(req_sga_cbfn != NULL); + bfa_assert(req_sglen_cbfn != NULL); + + fcxp->use_ireqbuf = 0; + fcxp->req_sga_cbfn = req_sga_cbfn; + fcxp->req_sglen_cbfn = req_sglen_cbfn; + + fcxp->nreq_sgles = nreq_sgles; + + /* + * alloc required sgpgs + */ + if (nreq_sgles > BFI_SGE_INLINE) { + nreq_sgpg = BFA_SGPG_NPAGE(nreq_sgles); + + if (bfa_sgpg_malloc + (bfa, &fcxp->req_sgpg_q, nreq_sgpg) + != BFA_STATUS_OK) { + /* bfa_sgpg_wait(bfa, &fcxp->req_sgpg_wqe, + nreq_sgpg); */ + /* + * TODO + */ + } + } + } + + if (nrsp_sgles == 0) { + fcxp->use_irspbuf = 1; + } else { + bfa_assert(rsp_sga_cbfn != NULL); + bfa_assert(rsp_sglen_cbfn != NULL); + + fcxp->use_irspbuf = 0; + fcxp->rsp_sga_cbfn = rsp_sga_cbfn; + fcxp->rsp_sglen_cbfn = rsp_sglen_cbfn; + + fcxp->nrsp_sgles = nrsp_sgles; + /* + * alloc required sgpgs + */ + if (nrsp_sgles > BFI_SGE_INLINE) { + nrsp_sgpg = BFA_SGPG_NPAGE(nreq_sgles); + + if (bfa_sgpg_malloc + (bfa, &fcxp->rsp_sgpg_q, nrsp_sgpg) + != BFA_STATUS_OK) { + /* bfa_sgpg_wait(bfa, &fcxp->rsp_sgpg_wqe, + nrsp_sgpg); */ + /* + * TODO + */ + } + } + } + + return (fcxp); +} + +/** + * Get the internal request buffer pointer + * + * @param[in] fcxp BFA fcxp pointer + * + * @return pointer to the internal request buffer + */ +void * +bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp) +{ + struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; + void *reqbuf; + + bfa_assert(fcxp->use_ireqbuf == 1); + reqbuf = ((u8 *)mod->req_pld_list_kva) + + fcxp->fcxp_tag * mod->req_pld_sz; + return reqbuf; +} + +u32 +bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp) +{ + struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; + + return mod->req_pld_sz; +} + +/** + * Get the internal response buffer pointer + * + * @param[in] fcxp BFA fcxp pointer + * + * @return pointer to the internal request buffer + */ +void * +bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp) +{ + struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; + void *rspbuf; + + bfa_assert(fcxp->use_irspbuf == 1); + + rspbuf = ((u8 *)mod->rsp_pld_list_kva) + + fcxp->fcxp_tag * mod->rsp_pld_sz; + return rspbuf; +} + +/** + * Free the BFA FCXP + * + * @param[in] fcxp BFA fcxp pointer + * + * @return void + */ +void +bfa_fcxp_free(struct bfa_fcxp_s *fcxp) +{ + struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; + + bfa_assert(fcxp != NULL); + bfa_trc(mod->bfa, fcxp->fcxp_tag); + bfa_fcxp_put(fcxp); +} + +/** + * Send a FCXP request + * + * @param[in] fcxp BFA fcxp pointer + * @param[in] rport BFA rport pointer. Could be left NULL for WKA rports + * @param[in] vf_id virtual Fabric ID + * @param[in] lp_tag lport tag + * @param[in] cts use Continous sequence + * @param[in] cos fc Class of Service + * @param[in] reqlen request length, does not include FCHS length + * @param[in] fchs fc Header Pointer. The header content will be copied + * in by BFA. + * + * @param[in] cbfn call back function to be called on receiving + * the response + * @param[in] cbarg arg for cbfn + * @param[in] rsp_timeout + * response timeout + * + * @return bfa_status_t + */ +void +bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport, + u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos, + u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn, + void *cbarg, u32 rsp_maxlen, u8 rsp_timeout) +{ + struct bfa_s *bfa = fcxp->fcxp_mod->bfa; + struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info; + struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info; + struct bfi_fcxp_send_req_s *send_req; + + bfa_trc(bfa, fcxp->fcxp_tag); + + /** + * setup request/response info + */ + reqi->bfa_rport = rport; + reqi->vf_id = vf_id; + reqi->lp_tag = lp_tag; + reqi->class = cos; + rspi->rsp_timeout = rsp_timeout; + reqi->cts = cts; + reqi->fchs = *fchs; + reqi->req_tot_len = reqlen; + rspi->rsp_maxlen = rsp_maxlen; + fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp; + fcxp->send_cbarg = cbarg; + + /** + * If no room in CPE queue, wait for + */ + send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP); + if (!send_req) { + bfa_trc(bfa, fcxp->fcxp_tag); + fcxp->reqq_waiting = BFA_TRUE; + bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe); + return; + } + + bfa_fcxp_queue(fcxp, send_req); +} + +/** + * Abort a BFA FCXP + * + * @param[in] fcxp BFA fcxp pointer + * + * @return void + */ +bfa_status_t +bfa_fcxp_abort(struct bfa_fcxp_s *fcxp) +{ + bfa_assert(0); + return (BFA_STATUS_OK); +} + +void +bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, + bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg) +{ + struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); + + bfa_assert(list_empty(&mod->fcxp_free_q)); + + wqe->alloc_cbfn = alloc_cbfn; + wqe->alloc_cbarg = alloc_cbarg; + list_add_tail(&wqe->qe, &mod->wait_q); +} + +void +bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe) +{ + struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); + + bfa_assert(bfa_q_is_on_q(&mod->wait_q, wqe)); + list_del(&wqe->qe); +} + +void +bfa_fcxp_discard(struct bfa_fcxp_s *fcxp) +{ + /** + * If waiting for room in request queue, cancel reqq wait + * and free fcxp. + */ + if (fcxp->reqq_waiting) { + fcxp->reqq_waiting = BFA_FALSE; + bfa_reqq_wcancel(&fcxp->reqq_wqe); + bfa_fcxp_free(fcxp); + return; + } + + fcxp->send_cbfn = bfa_fcxp_null_comp; +} + + + +/** + * hal_fcxp_public BFA FCXP public functions + */ + +void +bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) +{ + switch (msg->mhdr.msg_id) { + case BFI_FCXP_I2H_SEND_RSP: + hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg); + break; + + default: + bfa_trc(bfa, msg->mhdr.msg_id); + bfa_assert(0); + } +} + +u32 +bfa_fcxp_get_maxrsp(struct bfa_s *bfa) +{ + struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); + + return mod->rsp_pld_sz; +} + + diff --git a/drivers/scsi/bfa/bfa_fcxp_priv.h b/drivers/scsi/bfa/bfa_fcxp_priv.h new file mode 100644 index 000000000000..4cda49397da0 --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcxp_priv.h @@ -0,0 +1,138 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCXP_PRIV_H__ +#define __BFA_FCXP_PRIV_H__ + +#include <cs/bfa_sm.h> +#include <protocol/fc.h> +#include <bfa_svc.h> +#include <bfi/bfi_fcxp.h> + +#define BFA_FCXP_MIN (1) +#define BFA_FCXP_MAX_IBUF_SZ (2 * 1024 + 256) +#define BFA_FCXP_MAX_LBUF_SZ (4 * 1024 + 256) + +struct bfa_fcxp_mod_s { + struct bfa_s *bfa; /* backpointer to BFA */ + struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */ + u16 num_fcxps; /* max num FCXP requests */ + struct list_head fcxp_free_q; /* free FCXPs */ + struct list_head fcxp_active_q; /* active FCXPs */ + void *req_pld_list_kva; /* list of FCXP req pld */ + u64 req_pld_list_pa; /* list of FCXP req pld */ + void *rsp_pld_list_kva; /* list of FCXP resp pld */ + u64 rsp_pld_list_pa; /* list of FCXP resp pld */ + struct list_head wait_q; /* wait queue for free fcxp */ + u32 req_pld_sz; + u32 rsp_pld_sz; +}; + +#define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod) +#define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag]) + +typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp, + void *cb_arg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs); + +/** + * Information needed for a FCXP request + */ +struct bfa_fcxp_req_info_s { + struct bfa_rport_s *bfa_rport; /* Pointer to the bfa rport that was + *returned from bfa_rport_create(). + *This could be left NULL for WKA or for + *FCXP interactions before the rport + *nexus is established + */ + struct fchs_s fchs; /* request FC header structure */ + u8 cts; /* continous sequence */ + u8 class; /* FC class for the request/response */ + u16 max_frmsz; /* max send frame size */ + u16 vf_id; /* vsan tag if applicable */ + u8 lp_tag; /* lport tag */ + u32 req_tot_len; /* request payload total length */ +}; + +struct bfa_fcxp_rsp_info_s { + struct fchs_s rsp_fchs; /* Response frame's FC header will + * be *sent back in this field */ + u8 rsp_timeout; /* timeout in seconds, 0-no response + */ + u8 rsvd2[3]; + u32 rsp_maxlen; /* max response length expected */ +}; + +struct bfa_fcxp_s { + struct list_head qe; /* fcxp queue element */ + bfa_sm_t sm; /* state machine */ + void *caller; /* driver or fcs */ + struct bfa_fcxp_mod_s *fcxp_mod; + /* back pointer to fcxp mod */ + u16 fcxp_tag; /* internal tag */ + struct bfa_fcxp_req_info_s req_info; + /* request info */ + struct bfa_fcxp_rsp_info_s rsp_info; + /* response info */ + u8 use_ireqbuf; /* use internal req buf */ + u8 use_irspbuf; /* use internal rsp buf */ + u32 nreq_sgles; /* num request SGLEs */ + u32 nrsp_sgles; /* num response SGLEs */ + struct list_head req_sgpg_q; /* SG pages for request buf */ + struct list_head req_sgpg_wqe; /* wait queue for req SG page */ + struct list_head rsp_sgpg_q; /* SG pages for response buf */ + struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */ + + bfa_fcxp_get_sgaddr_t req_sga_cbfn; + /* SG elem addr user function */ + bfa_fcxp_get_sglen_t req_sglen_cbfn; + /* SG elem len user function */ + bfa_fcxp_get_sgaddr_t rsp_sga_cbfn; + /* SG elem addr user function */ + bfa_fcxp_get_sglen_t rsp_sglen_cbfn; + /* SG elem len user function */ + bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */ + void *send_cbarg; /* callback arg */ + struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES]; + /* req SG elems */ + struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES]; + /* rsp SG elems */ + u8 rsp_status; /* comp: rsp status */ + u32 rsp_len; /* comp: actual response len */ + u32 residue_len; /* comp: residual rsp length */ + struct fchs_s rsp_fchs; /* comp: response fchs */ + struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ + struct bfa_reqq_wait_s reqq_wqe; + bfa_boolean_t reqq_waiting; +}; + +#define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp)) + +#define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs)) +#define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp)) + +#define BFA_FCXP_REQ_PLD_PA(_fcxp) \ + ((_fcxp)->fcxp_mod->req_pld_list_pa + \ + ((_fcxp)->fcxp_mod->req_pld_sz * (_fcxp)->fcxp_tag)) + +#define BFA_FCXP_RSP_PLD_PA(_fcxp) \ + ((_fcxp)->fcxp_mod->rsp_pld_list_pa + \ + ((_fcxp)->fcxp_mod->rsp_pld_sz * (_fcxp)->fcxp_tag)) + +void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +#endif /* __BFA_FCXP_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_fwimg_priv.h b/drivers/scsi/bfa/bfa_fwimg_priv.h new file mode 100644 index 000000000000..1ec1355924d9 --- /dev/null +++ b/drivers/scsi/bfa/bfa_fwimg_priv.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FWIMG_PRIV_H__ +#define __BFA_FWIMG_PRIV_H__ + +#define BFI_FLASH_CHUNK_SZ 256 /* Flash chunk size */ +#define BFI_FLASH_CHUNK_SZ_WORDS (BFI_FLASH_CHUNK_SZ/sizeof(u32)) + +extern u32 *bfi_image_ct_get_chunk(u32 off); +extern u32 bfi_image_ct_size; +extern u32 *bfi_image_cb_get_chunk(u32 off); +extern u32 bfi_image_cb_size; +extern u32 *bfi_image_cb; +extern u32 *bfi_image_ct; + +#endif /* __BFA_FWIMG_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_hw_cb.c b/drivers/scsi/bfa/bfa_hw_cb.c new file mode 100644 index 000000000000..ede1438619e2 --- /dev/null +++ b/drivers/scsi/bfa/bfa_hw_cb.c @@ -0,0 +1,142 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa_priv.h> +#include <bfi/bfi_cbreg.h> + +void +bfa_hwcb_reginit(struct bfa_s *bfa) +{ + struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs; + bfa_os_addr_t kva = bfa_ioc_bar0(&bfa->ioc); + int i, q, fn = bfa_ioc_pcifn(&bfa->ioc); + + if (fn == 0) { + bfa_regs->intr_status = (kva + HOSTFN0_INT_STATUS); + bfa_regs->intr_mask = (kva + HOSTFN0_INT_MSK); + } else { + bfa_regs->intr_status = (kva + HOSTFN1_INT_STATUS); + bfa_regs->intr_mask = (kva + HOSTFN1_INT_MSK); + } + + for (i = 0; i < BFI_IOC_MAX_CQS; i++) { + /* + * CPE registers + */ + q = CPE_Q_NUM(fn, i); + bfa_regs->cpe_q_pi[i] = (kva + CPE_Q_PI(q)); + bfa_regs->cpe_q_ci[i] = (kva + CPE_Q_CI(q)); + bfa_regs->cpe_q_depth[i] = (kva + CPE_Q_DEPTH(q)); + + /* + * RME registers + */ + q = CPE_Q_NUM(fn, i); + bfa_regs->rme_q_pi[i] = (kva + RME_Q_PI(q)); + bfa_regs->rme_q_ci[i] = (kva + RME_Q_CI(q)); + bfa_regs->rme_q_depth[i] = (kva + RME_Q_DEPTH(q)); + } +} + +void +bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq) +{ +} + +static void +bfa_hwcb_rspq_ack_msix(struct bfa_s *bfa, int rspq) +{ + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, + __HFN_INT_RME_Q0 << RME_Q_NUM(bfa_ioc_pcifn(&bfa->ioc), rspq)); +} + +void +bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap, + u32 *num_vecs, u32 *max_vec_bit) +{ +#define __HFN_NUMINTS 13 + if (bfa_ioc_pcifn(&bfa->ioc) == 0) { + *msix_vecs_bmap = (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 | + __HFN_INT_CPE_Q2 | __HFN_INT_CPE_Q3 | + __HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 | + __HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 | + __HFN_INT_MBOX_LPU0); + *max_vec_bit = __HFN_INT_MBOX_LPU0; + } else { + *msix_vecs_bmap = (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 | + __HFN_INT_CPE_Q6 | __HFN_INT_CPE_Q7 | + __HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 | + __HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 | + __HFN_INT_MBOX_LPU1); + *max_vec_bit = __HFN_INT_MBOX_LPU1; + } + + *msix_vecs_bmap |= (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 | + __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS); + *num_vecs = __HFN_NUMINTS; +} + +/** + * No special setup required for crossbow -- vector assignments are implicit. + */ +void +bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs) +{ + int i; + + bfa_assert((nvecs == 1) || (nvecs == __HFN_NUMINTS)); + + bfa->msix.nvecs = nvecs; + if (nvecs == 1) { + for (i = 0; i < BFA_MSIX_CB_MAX; i++) + bfa->msix.handler[i] = bfa_msix_all; + return; + } + + for (i = BFA_MSIX_CPE_Q0; i <= BFA_MSIX_CPE_Q7; i++) + bfa->msix.handler[i] = bfa_msix_reqq; + + for (i = BFA_MSIX_RME_Q0; i <= BFA_MSIX_RME_Q7; i++) + bfa->msix.handler[i] = bfa_msix_rspq; + + for (; i < BFA_MSIX_CB_MAX; i++) + bfa->msix.handler[i] = bfa_msix_lpu_err; +} + +/** + * Crossbow -- dummy, interrupts are masked + */ +void +bfa_hwcb_msix_install(struct bfa_s *bfa) +{ +} + +void +bfa_hwcb_msix_uninstall(struct bfa_s *bfa) +{ +} + +/** + * No special enable/disable -- vector assignments are implicit. + */ +void +bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix) +{ + bfa->iocfc.hwif.hw_rspq_ack = bfa_hwcb_rspq_ack_msix; +} + + diff --git a/drivers/scsi/bfa/bfa_hw_ct.c b/drivers/scsi/bfa/bfa_hw_ct.c new file mode 100644 index 000000000000..51ae5740e6e9 --- /dev/null +++ b/drivers/scsi/bfa/bfa_hw_ct.c @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa_priv.h> +#include <bfi/bfi_ctreg.h> +#include <bfa_ioc.h> + +BFA_TRC_FILE(HAL, IOCFC_CT); + +static u32 __ct_msix_err_vec_reg[] = { + HOST_MSIX_ERR_INDEX_FN0, + HOST_MSIX_ERR_INDEX_FN1, + HOST_MSIX_ERR_INDEX_FN2, + HOST_MSIX_ERR_INDEX_FN3, +}; + +static void +bfa_hwct_msix_lpu_err_set(struct bfa_s *bfa, bfa_boolean_t msix, int vec) +{ + int fn = bfa_ioc_pcifn(&bfa->ioc); + bfa_os_addr_t kva = bfa_ioc_bar0(&bfa->ioc); + + if (msix) + bfa_reg_write(kva + __ct_msix_err_vec_reg[fn], vec); + else + bfa_reg_write(kva + __ct_msix_err_vec_reg[fn], 0); +} + +/** + * Dummy interrupt handler for handling spurious interrupt during chip-reinit. + */ +static void +bfa_hwct_msix_dummy(struct bfa_s *bfa, int vec) +{ +} + +void +bfa_hwct_reginit(struct bfa_s *bfa) +{ + struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs; + bfa_os_addr_t kva = bfa_ioc_bar0(&bfa->ioc); + int i, q, fn = bfa_ioc_pcifn(&bfa->ioc); + + if (fn == 0) { + bfa_regs->intr_status = (kva + HOSTFN0_INT_STATUS); + bfa_regs->intr_mask = (kva + HOSTFN0_INT_MSK); + } else { + bfa_regs->intr_status = (kva + HOSTFN1_INT_STATUS); + bfa_regs->intr_mask = (kva + HOSTFN1_INT_MSK); + } + + for (i = 0; i < BFI_IOC_MAX_CQS; i++) { + /* + * CPE registers + */ + q = CPE_Q_NUM(fn, i); + bfa_regs->cpe_q_pi[i] = (kva + CPE_PI_PTR_Q(q << 5)); + bfa_regs->cpe_q_ci[i] = (kva + CPE_CI_PTR_Q(q << 5)); + bfa_regs->cpe_q_depth[i] = (kva + CPE_DEPTH_Q(q << 5)); + bfa_regs->cpe_q_ctrl[i] = (kva + CPE_QCTRL_Q(q << 5)); + + /* + * RME registers + */ + q = CPE_Q_NUM(fn, i); + bfa_regs->rme_q_pi[i] = (kva + RME_PI_PTR_Q(q << 5)); + bfa_regs->rme_q_ci[i] = (kva + RME_CI_PTR_Q(q << 5)); + bfa_regs->rme_q_depth[i] = (kva + RME_DEPTH_Q(q << 5)); + bfa_regs->rme_q_ctrl[i] = (kva + RME_QCTRL_Q(q << 5)); + } +} + +void +bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq) +{ + u32 r32; + + r32 = bfa_reg_read(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq]); + bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq], r32); +} + +void +bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap, + u32 *num_vecs, u32 *max_vec_bit) +{ + *msix_vecs_bmap = (1 << BFA_MSIX_CT_MAX) - 1; + *max_vec_bit = (1 << (BFA_MSIX_CT_MAX - 1)); + *num_vecs = BFA_MSIX_CT_MAX; +} + +/** + * Setup MSI-X vector for catapult + */ +void +bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs) +{ + bfa_assert((nvecs == 1) || (nvecs == BFA_MSIX_CT_MAX)); + bfa_trc(bfa, nvecs); + + bfa->msix.nvecs = nvecs; + bfa_hwct_msix_uninstall(bfa); +} + +void +bfa_hwct_msix_install(struct bfa_s *bfa) +{ + int i; + + if (bfa->msix.nvecs == 0) + return; + + if (bfa->msix.nvecs == 1) { + for (i = 0; i < BFA_MSIX_CT_MAX; i++) + bfa->msix.handler[i] = bfa_msix_all; + return; + } + + for (i = BFA_MSIX_CPE_Q0; i <= BFA_MSIX_CPE_Q3; i++) + bfa->msix.handler[i] = bfa_msix_reqq; + + for (; i <= BFA_MSIX_RME_Q3; i++) + bfa->msix.handler[i] = bfa_msix_rspq; + + bfa_assert(i == BFA_MSIX_LPU_ERR); + bfa->msix.handler[BFA_MSIX_LPU_ERR] = bfa_msix_lpu_err; +} + +void +bfa_hwct_msix_uninstall(struct bfa_s *bfa) +{ + int i; + + for (i = 0; i < BFA_MSIX_CT_MAX; i++) + bfa->msix.handler[i] = bfa_hwct_msix_dummy; +} + +/** + * Enable MSI-X vectors + */ +void +bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix) +{ + bfa_trc(bfa, 0); + bfa_hwct_msix_lpu_err_set(bfa, msix, BFA_MSIX_LPU_ERR); + bfa_ioc_isr_mode_set(&bfa->ioc, msix); +} + + diff --git a/drivers/scsi/bfa/bfa_intr.c b/drivers/scsi/bfa/bfa_intr.c new file mode 100644 index 000000000000..0ca125712a04 --- /dev/null +++ b/drivers/scsi/bfa/bfa_intr.c @@ -0,0 +1,218 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#include <bfa.h> +#include <bfi/bfi_cbreg.h> +#include <bfa_port_priv.h> +#include <bfa_intr_priv.h> +#include <cs/bfa_debug.h> + +BFA_TRC_FILE(HAL, INTR); + +static void +bfa_msix_errint(struct bfa_s *bfa, u32 intr) +{ + bfa_ioc_error_isr(&bfa->ioc); +} + +static void +bfa_msix_lpu(struct bfa_s *bfa) +{ + bfa_ioc_mbox_isr(&bfa->ioc); +} + +void +bfa_msix_all(struct bfa_s *bfa, int vec) +{ + bfa_intx(bfa); +} + +/** + * hal_intr_api + */ +bfa_boolean_t +bfa_intx(struct bfa_s *bfa) +{ + u32 intr, qintr; + int queue; + + intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status); + if (!intr) + return BFA_FALSE; + + /** + * RME completion queue interrupt + */ + qintr = intr & __HFN_INT_RME_MASK; + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr); + + for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue ++) { + if (intr & (__HFN_INT_RME_Q0 << queue)) + bfa_msix_rspq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); + } + intr &= ~qintr; + if (!intr) + return BFA_TRUE; + + /** + * CPE completion queue interrupt + */ + qintr = intr & __HFN_INT_CPE_MASK; + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr); + + for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) { + if (intr & (__HFN_INT_CPE_Q0 << queue)) + bfa_msix_reqq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); + } + intr &= ~qintr; + if (!intr) + return BFA_TRUE; + + bfa_msix_lpu_err(bfa, intr); + + return BFA_TRUE; +} + +void +bfa_isr_enable(struct bfa_s *bfa) +{ + u32 intr_unmask; + int pci_func = bfa_ioc_pcifn(&bfa->ioc); + + bfa_trc(bfa, pci_func); + + bfa_msix_install(bfa); + intr_unmask = (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 | + __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS); + + if (pci_func == 0) + intr_unmask |= (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 | + __HFN_INT_CPE_Q2 | __HFN_INT_CPE_Q3 | + __HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 | + __HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 | + __HFN_INT_MBOX_LPU0); + else + intr_unmask |= (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 | + __HFN_INT_CPE_Q6 | __HFN_INT_CPE_Q7 | + __HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 | + __HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 | + __HFN_INT_MBOX_LPU1); + + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr_unmask); + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, ~intr_unmask); + bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0); +} + +void +bfa_isr_disable(struct bfa_s *bfa) +{ + bfa_isr_mode_set(bfa, BFA_FALSE); + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, -1L); + bfa_msix_uninstall(bfa); +} + +void +bfa_msix_reqq(struct bfa_s *bfa, int qid) +{ + struct list_head *waitq, *qe, *qen; + struct bfa_reqq_wait_s *wqe; + + qid &= (BFI_IOC_MAX_CQS - 1); + + waitq = bfa_reqq(bfa, qid); + list_for_each_safe(qe, qen, waitq) { + /** + * Callback only as long as there is room in request queue + */ + if (bfa_reqq_full(bfa, qid)) + break; + + list_del(qe); + wqe = (struct bfa_reqq_wait_s *) qe; + wqe->qresume(wqe->cbarg); + } +} + +void +bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + bfa_trc(bfa, m->mhdr.msg_class); + bfa_trc(bfa, m->mhdr.msg_id); + bfa_trc(bfa, m->mhdr.mtag.i2htok); + bfa_assert(0); + bfa_trc_stop(bfa->trcmod); +} + +void +bfa_msix_rspq(struct bfa_s *bfa, int rsp_qid) +{ + struct bfi_msg_s *m; + u32 pi, ci; + + bfa_trc_fp(bfa, rsp_qid); + + rsp_qid &= (BFI_IOC_MAX_CQS - 1); + + bfa->iocfc.hwif.hw_rspq_ack(bfa, rsp_qid); + + ci = bfa_rspq_ci(bfa, rsp_qid); + pi = bfa_rspq_pi(bfa, rsp_qid); + + bfa_trc_fp(bfa, ci); + bfa_trc_fp(bfa, pi); + + if (bfa->rme_process) { + while (ci != pi) { + m = bfa_rspq_elem(bfa, rsp_qid, ci); + bfa_assert_fp(m->mhdr.msg_class < BFI_MC_MAX); + + bfa_isrs[m->mhdr.msg_class] (bfa, m); + + CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems); + } + } + + /** + * update CI + */ + bfa_rspq_ci(bfa, rsp_qid) = pi; + bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ci[rsp_qid], pi); + bfa_os_mmiowb(); +} + +void +bfa_msix_lpu_err(struct bfa_s *bfa, int vec) +{ + u32 intr; + + intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status); + + if (intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1)) + bfa_msix_lpu(bfa); + + if (intr & (__HFN_INT_ERR_EMC | + __HFN_INT_ERR_LPU0 | __HFN_INT_ERR_LPU1 | + __HFN_INT_ERR_PSS)) + bfa_msix_errint(bfa, intr); +} + +void +bfa_isr_bind(enum bfi_mclass mc, bfa_isr_func_t isr_func) +{ + bfa_isrs[mc] = isr_func; +} + + diff --git a/drivers/scsi/bfa/bfa_intr_priv.h b/drivers/scsi/bfa/bfa_intr_priv.h new file mode 100644 index 000000000000..8ce6e6b105c8 --- /dev/null +++ b/drivers/scsi/bfa/bfa_intr_priv.h @@ -0,0 +1,115 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_INTR_PRIV_H__ +#define __BFA_INTR_PRIV_H__ + +/** + * Message handler + */ +typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m); +void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m); +void bfa_isr_bind(enum bfi_mclass mc, bfa_isr_func_t isr_func); + + +#define bfa_reqq_pi(__bfa, __reqq) (__bfa)->iocfc.req_cq_pi[__reqq] +#define bfa_reqq_ci(__bfa, __reqq) \ + *(u32 *)((__bfa)->iocfc.req_cq_shadow_ci[__reqq].kva) + +#define bfa_reqq_full(__bfa, __reqq) \ + (((bfa_reqq_pi(__bfa, __reqq) + 1) & \ + ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1)) == \ + bfa_reqq_ci(__bfa, __reqq)) + +#define bfa_reqq_next(__bfa, __reqq) \ + (bfa_reqq_full(__bfa, __reqq) ? NULL : \ + ((void *)((struct bfi_msg_s *)((__bfa)->iocfc.req_cq_ba[__reqq].kva) \ + + bfa_reqq_pi((__bfa), (__reqq))))) + +#define bfa_reqq_produce(__bfa, __reqq) do { \ + (__bfa)->iocfc.req_cq_pi[__reqq]++; \ + (__bfa)->iocfc.req_cq_pi[__reqq] &= \ + ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1); \ + bfa_reg_write((__bfa)->iocfc.bfa_regs.cpe_q_pi[__reqq], \ + (__bfa)->iocfc.req_cq_pi[__reqq]); \ + bfa_os_mmiowb(); \ +} while (0) + +#define bfa_rspq_pi(__bfa, __rspq) \ + *(u32 *)((__bfa)->iocfc.rsp_cq_shadow_pi[__rspq].kva) + +#define bfa_rspq_ci(__bfa, __rspq) (__bfa)->iocfc.rsp_cq_ci[__rspq] +#define bfa_rspq_elem(__bfa, __rspq, __ci) \ + &((struct bfi_msg_s *)((__bfa)->iocfc.rsp_cq_ba[__rspq].kva))[__ci] + +#define CQ_INCR(__index, __size) \ + (__index)++; (__index) &= ((__size) - 1) + +/** + * Queue element to wait for room in request queue. FIFO order is + * maintained when fullfilling requests. + */ +struct bfa_reqq_wait_s { + struct list_head qe; + void (*qresume) (void *cbarg); + void *cbarg; +}; + +/** + * Circular queue usage assignments + */ +enum { + BFA_REQQ_IOC = 0, /* all low-priority IOC msgs */ + BFA_REQQ_FCXP = 0, /* all FCXP messages */ + BFA_REQQ_LPS = 0, /* all lport service msgs */ + BFA_REQQ_PORT = 0, /* all port messages */ + BFA_REQQ_FLASH = 0, /* for flash module */ + BFA_REQQ_DIAG = 0, /* for diag module */ + BFA_REQQ_RPORT = 0, /* all port messages */ + BFA_REQQ_SBOOT = 0, /* all san boot messages */ + BFA_REQQ_QOS_LO = 1, /* all low priority IO */ + BFA_REQQ_QOS_MD = 2, /* all medium priority IO */ + BFA_REQQ_QOS_HI = 3, /* all high priority IO */ +}; + +static inline void +bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg), + void *cbarg) +{ + wqe->qresume = qresume; + wqe->cbarg = cbarg; +} + +#define bfa_reqq(__bfa, __reqq) &(__bfa)->reqq_waitq[__reqq] + +/** + * static inline void + * bfa_reqq_wait(struct bfa_s *bfa, int reqq, struct bfa_reqq_wait_s *wqe) + */ +#define bfa_reqq_wait(__bfa, __reqq, __wqe) do { \ + \ + struct list_head *waitq = bfa_reqq(__bfa, __reqq); \ + \ + bfa_assert(((__reqq) < BFI_IOC_MAX_CQS)); \ + bfa_assert((__wqe)->qresume && (__wqe)->cbarg); \ + \ + list_add_tail(&(__wqe)->qe, waitq); \ +} while (0) + +#define bfa_reqq_wcancel(__wqe) list_del(&(__wqe)->qe) + +#endif /* __BFA_INTR_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c new file mode 100644 index 000000000000..149348934ce3 --- /dev/null +++ b/drivers/scsi/bfa/bfa_ioc.c @@ -0,0 +1,2382 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfa_ioc.h> +#include <bfa_fwimg_priv.h> +#include <bfa_trcmod_priv.h> +#include <cs/bfa_debug.h> +#include <bfi/bfi_ioc.h> +#include <bfi/bfi_ctreg.h> +#include <aen/bfa_aen_ioc.h> +#include <aen/bfa_aen.h> +#include <log/bfa_log_hal.h> +#include <defs/bfa_defs_pci.h> + +BFA_TRC_FILE(HAL, IOC); + +/** + * IOC local definitions + */ +#define BFA_IOC_TOV 2000 /* msecs */ +#define BFA_IOC_HB_TOV 1000 /* msecs */ +#define BFA_IOC_HB_FAIL_MAX 4 +#define BFA_IOC_HWINIT_MAX 2 +#define BFA_IOC_FWIMG_MINSZ (16 * 1024) +#define BFA_IOC_TOV_RECOVER (BFA_IOC_HB_FAIL_MAX * BFA_IOC_HB_TOV \ + + BFA_IOC_TOV) + +#define bfa_ioc_timer_start(__ioc) \ + bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ + bfa_ioc_timeout, (__ioc), BFA_IOC_TOV) +#define bfa_ioc_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) + +#define BFA_DBG_FWTRC_ENTS (BFI_IOC_TRC_ENTS) +#define BFA_DBG_FWTRC_LEN \ + (BFA_DBG_FWTRC_ENTS * sizeof(struct bfa_trc_s) + \ + (sizeof(struct bfa_trc_mod_s) - \ + BFA_TRC_MAX * sizeof(struct bfa_trc_s))) +#define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn)) +#define bfa_ioc_stats(_ioc, _stats) (_ioc)->stats._stats ++ + +#define BFA_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS) +#define BFA_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS) +#define BFA_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS) +bfa_boolean_t bfa_auto_recover = BFA_FALSE; + +/* + * forward declarations + */ +static void bfa_ioc_aen_post(struct bfa_ioc_s *bfa, + enum bfa_ioc_aen_event event); +static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc); +static void bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc); +static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc); +static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force); +static void bfa_ioc_timeout(void *ioc); +static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc); +static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc); +static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc); +static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc); +static void bfa_ioc_hb_stop(struct bfa_ioc_s *ioc); +static void bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force); +static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc); +static void bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc); +static void bfa_ioc_recover(struct bfa_ioc_s *ioc); +static bfa_boolean_t bfa_ioc_firmware_lock(struct bfa_ioc_s *ioc); +static void bfa_ioc_firmware_unlock(struct bfa_ioc_s *ioc); +static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc); +static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc); + +/** + * bfa_ioc_sm + */ + +/** + * IOC state machine events + */ +enum ioc_event { + IOC_E_ENABLE = 1, /* IOC enable request */ + IOC_E_DISABLE = 2, /* IOC disable request */ + IOC_E_TIMEOUT = 3, /* f/w response timeout */ + IOC_E_FWREADY = 4, /* f/w initialization done */ + IOC_E_FWRSP_GETATTR = 5, /* IOC get attribute response */ + IOC_E_FWRSP_ENABLE = 6, /* enable f/w response */ + IOC_E_FWRSP_DISABLE = 7, /* disable f/w response */ + IOC_E_HBFAIL = 8, /* heartbeat failure */ + IOC_E_HWERROR = 9, /* hardware error interrupt */ + IOC_E_SEMLOCKED = 10, /* h/w semaphore is locked */ + IOC_E_DETACH = 11, /* driver detach cleanup */ +}; + +bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, fwcheck, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, mismatch, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, semwait, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, hwinit, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, initfail, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, hbfail, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event); + +static struct bfa_sm_table_s ioc_sm_table[] = { + {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, + {BFA_SM(bfa_ioc_sm_fwcheck), BFA_IOC_FWMISMATCH}, + {BFA_SM(bfa_ioc_sm_mismatch), BFA_IOC_FWMISMATCH}, + {BFA_SM(bfa_ioc_sm_semwait), BFA_IOC_SEMWAIT}, + {BFA_SM(bfa_ioc_sm_hwinit), BFA_IOC_HWINIT}, + {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_HWINIT}, + {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, + {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, + {BFA_SM(bfa_ioc_sm_initfail), BFA_IOC_INITFAIL}, + {BFA_SM(bfa_ioc_sm_hbfail), BFA_IOC_HBFAIL}, + {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, + {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, +}; + +/** + * Reset entry actions -- initialize state machine + */ +static void +bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc) +{ + ioc->retry_count = 0; + ioc->auto_recover = bfa_auto_recover; +} + +/** + * Beginning state. IOC is in reset state. + */ +static void +bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_ENABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck); + break; + + case IOC_E_DISABLE: + bfa_ioc_disable_comp(ioc); + break; + + case IOC_E_DETACH: + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +/** + * Semaphore should be acquired for version check. + */ +static void +bfa_ioc_sm_fwcheck_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_hw_sem_get(ioc); +} + +/** + * Awaiting h/w semaphore to continue with version check. + */ +static void +bfa_ioc_sm_fwcheck(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_SEMLOCKED: + if (bfa_ioc_firmware_lock(ioc)) { + ioc->retry_count = 0; + bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); + } else { + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_mismatch); + } + break; + + case IOC_E_DISABLE: + bfa_ioc_disable_comp(ioc); + /* + * fall through + */ + + case IOC_E_DETACH: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + break; + + case IOC_E_FWREADY: + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +/** + * Notify enable completion callback and generate mismatch AEN. + */ +static void +bfa_ioc_sm_mismatch_entry(struct bfa_ioc_s *ioc) +{ + /** + * Provide enable completion callback and AEN notification only once. + */ + if (ioc->retry_count == 0) { + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH); + } + ioc->retry_count++; + bfa_ioc_timer_start(ioc); +} + +/** + * Awaiting firmware version match. + */ +static void +bfa_ioc_sm_mismatch(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_TIMEOUT: + bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck); + break; + + case IOC_E_DISABLE: + bfa_ioc_disable_comp(ioc); + /* + * fall through + */ + + case IOC_E_DETACH: + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + break; + + case IOC_E_FWREADY: + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +/** + * Request for semaphore. + */ +static void +bfa_ioc_sm_semwait_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_hw_sem_get(ioc); +} + +/** + * Awaiting semaphore for h/w initialzation. + */ +static void +bfa_ioc_sm_semwait(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_SEMLOCKED: + ioc->retry_count = 0; + bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); + break; + + case IOC_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_ioc_sm_hwinit_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_timer_start(ioc); + bfa_ioc_reset(ioc, BFA_FALSE); +} + +/** + * Hardware is being initialized. Interrupts are enabled. + * Holding hardware semaphore lock. + */ +static void +bfa_ioc_sm_hwinit(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_FWREADY: + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); + break; + + case IOC_E_HWERROR: + bfa_ioc_timer_stop(ioc); + /* + * fall through + */ + + case IOC_E_TIMEOUT: + ioc->retry_count++; + if (ioc->retry_count < BFA_IOC_HWINIT_MAX) { + bfa_ioc_timer_start(ioc); + bfa_ioc_reset(ioc, BFA_TRUE); + break; + } + + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + break; + + case IOC_E_DISABLE: + bfa_ioc_hw_sem_release(ioc); + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_timer_start(ioc); + bfa_ioc_send_enable(ioc); +} + +/** + * Host IOC function is being enabled, awaiting response from firmware. + * Semaphore is acquired. + */ +static void +bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_FWRSP_ENABLE: + bfa_ioc_timer_stop(ioc); + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); + break; + + case IOC_E_HWERROR: + bfa_ioc_timer_stop(ioc); + /* + * fall through + */ + + case IOC_E_TIMEOUT: + ioc->retry_count++; + if (ioc->retry_count < BFA_IOC_HWINIT_MAX) { + bfa_reg_write(ioc->ioc_regs.ioc_fwstate, + BFI_IOC_UNINIT); + bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); + break; + } + + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + break; + + case IOC_E_DISABLE: + bfa_ioc_timer_stop(ioc); + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + case IOC_E_FWREADY: + bfa_ioc_send_enable(ioc); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_timer_start(ioc); + bfa_ioc_send_getattr(ioc); +} + +/** + * IOC configuration in progress. Timer is active. + */ +static void +bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_FWRSP_GETATTR: + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_op); + break; + + case IOC_E_HWERROR: + bfa_ioc_timer_stop(ioc); + /* + * fall through + */ + + case IOC_E_TIMEOUT: + bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + break; + + case IOC_E_DISABLE: + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) +{ + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); + bfa_ioc_hb_monitor(ioc); + bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE); +} + +static void +bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_ENABLE: + break; + + case IOC_E_DISABLE: + bfa_ioc_hb_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; + + case IOC_E_HWERROR: + case IOC_E_FWREADY: + /** + * Hard error or IOC recovery by other function. + * Treat it same as heartbeat failure. + */ + bfa_ioc_hb_stop(ioc); + /* + * !!! fall through !!! + */ + + case IOC_E_HBFAIL: + bfa_fsm_set_state(ioc, bfa_ioc_sm_hbfail); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE); + bfa_ioc_timer_start(ioc); + bfa_ioc_send_disable(ioc); +} + +/** + * IOC is being disabled + */ +static void +bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_HWERROR: + case IOC_E_FWRSP_DISABLE: + bfa_ioc_timer_stop(ioc); + /* + * !!! fall through !!! + */ + + case IOC_E_TIMEOUT: + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +/** + * IOC disable completion entry. + */ +static void +bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_disable_comp(ioc); +} + +static void +bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_ENABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait); + break; + + case IOC_E_DISABLE: + ioc->cbfn->disable_cbfn(ioc->bfa); + break; + + case IOC_E_FWREADY: + break; + + case IOC_E_DETACH: + bfa_ioc_firmware_unlock(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_ioc_sm_initfail_entry(struct bfa_ioc_s *ioc) +{ + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + bfa_ioc_timer_start(ioc); +} + +/** + * Hardware initialization failed. + */ +static void +bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_DISABLE: + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + case IOC_E_DETACH: + bfa_ioc_timer_stop(ioc); + bfa_ioc_firmware_unlock(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + break; + + case IOC_E_TIMEOUT: + bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_ioc_sm_hbfail_entry(struct bfa_ioc_s *ioc) +{ + struct list_head *qe; + struct bfa_ioc_hbfail_notify_s *notify; + + /** + * Mark IOC as failed in hardware and stop firmware. + */ + bfa_ioc_lpu_stop(ioc); + bfa_reg_write(ioc->ioc_regs.ioc_fwstate, BFI_IOC_HBFAIL); + + if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) { + bfa_reg_write(ioc->ioc_regs.ll_halt, __FW_INIT_HALT_P); + /* + * Wait for halt to take effect + */ + bfa_reg_read(ioc->ioc_regs.ll_halt); + } + + /** + * Notify driver and common modules registered for notification. + */ + ioc->cbfn->hbfail_cbfn(ioc->bfa); + list_for_each(qe, &ioc->hb_notify_q) { + notify = (struct bfa_ioc_hbfail_notify_s *)qe; + notify->cbfn(notify->cbarg); + } + + /** + * Flush any queued up mailbox requests. + */ + bfa_ioc_mbox_hbfail(ioc); + bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL); + + /** + * Trigger auto-recovery after a delay. + */ + if (ioc->auto_recover) { + bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, + bfa_ioc_timeout, ioc, BFA_IOC_TOV_RECOVER); + } +} + +/** + * IOC heartbeat failure. + */ +static void +bfa_ioc_sm_hbfail(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + + case IOC_E_ENABLE: + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + break; + + case IOC_E_DISABLE: + if (ioc->auto_recover) + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + case IOC_E_TIMEOUT: + bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait); + break; + + case IOC_E_FWREADY: + /** + * Recovery is already initiated by other function. + */ + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + + +/** + * bfa_ioc_pvt BFA IOC private functions + */ + +static void +bfa_ioc_disable_comp(struct bfa_ioc_s *ioc) +{ + struct list_head *qe; + struct bfa_ioc_hbfail_notify_s *notify; + + ioc->cbfn->disable_cbfn(ioc->bfa); + + /** + * Notify common modules registered for notification. + */ + list_for_each(qe, &ioc->hb_notify_q) { + notify = (struct bfa_ioc_hbfail_notify_s *)qe; + notify->cbfn(notify->cbarg); + } +} + +static void +bfa_ioc_sem_timeout(void *ioc_arg) +{ + struct bfa_ioc_s *ioc = (struct bfa_ioc_s *)ioc_arg; + + bfa_ioc_hw_sem_get(ioc); +} + +static void +bfa_ioc_usage_sem_get(struct bfa_ioc_s *ioc) +{ + u32 r32; + int cnt = 0; +#define BFA_SEM_SPINCNT 1000 + + do { + r32 = bfa_reg_read(ioc->ioc_regs.ioc_usage_sem_reg); + cnt++; + if (cnt > BFA_SEM_SPINCNT) + break; + } while (r32 != 0); + bfa_assert(cnt < BFA_SEM_SPINCNT); +} + +static void +bfa_ioc_usage_sem_release(struct bfa_ioc_s *ioc) +{ + bfa_reg_write(ioc->ioc_regs.ioc_usage_sem_reg, 1); +} + +static void +bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc) +{ + u32 r32; + + /** + * First read to the semaphore register will return 0, subsequent reads + * will return 1. Semaphore is released by writing 0 to the register + */ + r32 = bfa_reg_read(ioc->ioc_regs.ioc_sem_reg); + if (r32 == 0) { + bfa_fsm_send_event(ioc, IOC_E_SEMLOCKED); + return; + } + + bfa_timer_begin(ioc->timer_mod, &ioc->sem_timer, bfa_ioc_sem_timeout, + ioc, BFA_IOC_TOV); +} + +static void +bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc) +{ + bfa_reg_write(ioc->ioc_regs.ioc_sem_reg, 1); +} + +static void +bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc) +{ + bfa_timer_stop(&ioc->sem_timer); +} + +/** + * Initialize LPU local memory (aka secondary memory / SRAM) + */ +static void +bfa_ioc_lmem_init(struct bfa_ioc_s *ioc) +{ + u32 pss_ctl; + int i; +#define PSS_LMEM_INIT_TIME 10000 + + pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + pss_ctl &= ~__PSS_LMEM_RESET; + pss_ctl |= __PSS_LMEM_INIT_EN; + pss_ctl |= __PSS_I2C_CLK_DIV(3UL); /* i2c workaround 12.5khz clock */ + bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); + + /** + * wait for memory initialization to be complete + */ + i = 0; + do { + pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + i++; + } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); + + /** + * If memory initialization is not successful, IOC timeout will catch + * such failures. + */ + bfa_assert(pss_ctl & __PSS_LMEM_INIT_DONE); + bfa_trc(ioc, pss_ctl); + + pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); + bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); +} + +static void +bfa_ioc_lpu_start(struct bfa_ioc_s *ioc) +{ + u32 pss_ctl; + + /** + * Take processor out of reset. + */ + pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + pss_ctl &= ~__PSS_LPU0_RESET; + + bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); +} + +static void +bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc) +{ + u32 pss_ctl; + + /** + * Put processors in reset. + */ + pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); + + bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); +} + +/** + * Get driver and firmware versions. + */ +static void +bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) +{ + u32 pgnum, pgoff; + u32 loff = 0; + int i; + u32 *fwsig = (u32 *) fwhdr; + + pgnum = bfa_ioc_smem_pgnum(ioc, loff); + pgoff = bfa_ioc_smem_pgoff(ioc, loff); + bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + + for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32)); + i++) { + fwsig[i] = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); + loff += sizeof(u32); + } +} + +static u32 * +bfa_ioc_fwimg_get_chunk(struct bfa_ioc_s *ioc, u32 off) +{ + if (ioc->ctdev) + return bfi_image_ct_get_chunk(off); + return bfi_image_cb_get_chunk(off); +} + +static u32 +bfa_ioc_fwimg_get_size(struct bfa_ioc_s *ioc) +{ +return (ioc->ctdev) ? bfi_image_ct_size : bfi_image_cb_size; +} + +/** + * Returns TRUE if same. + */ +static bfa_boolean_t +bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) +{ + struct bfi_ioc_image_hdr_s *drv_fwhdr; + int i; + + drv_fwhdr = + (struct bfi_ioc_image_hdr_s *)bfa_ioc_fwimg_get_chunk(ioc, 0); + + for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { + if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) { + bfa_trc(ioc, i); + bfa_trc(ioc, fwhdr->md5sum[i]); + bfa_trc(ioc, drv_fwhdr->md5sum[i]); + return BFA_FALSE; + } + } + + bfa_trc(ioc, fwhdr->md5sum[0]); + return BFA_TRUE; +} + +/** + * Return true if current running version is valid. Firmware signature and + * execution context (driver/bios) must match. + */ +static bfa_boolean_t +bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc) +{ + struct bfi_ioc_image_hdr_s fwhdr, *drv_fwhdr; + + /** + * If bios/efi boot (flash based) -- return true + */ + if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ) + return BFA_TRUE; + + bfa_ioc_fwver_get(ioc, &fwhdr); + drv_fwhdr = + (struct bfi_ioc_image_hdr_s *)bfa_ioc_fwimg_get_chunk(ioc, 0); + + if (fwhdr.signature != drv_fwhdr->signature) { + bfa_trc(ioc, fwhdr.signature); + bfa_trc(ioc, drv_fwhdr->signature); + return BFA_FALSE; + } + + if (fwhdr.exec != drv_fwhdr->exec) { + bfa_trc(ioc, fwhdr.exec); + bfa_trc(ioc, drv_fwhdr->exec); + return BFA_FALSE; + } + + return bfa_ioc_fwver_cmp(ioc, &fwhdr); +} + +/** + * Return true if firmware of current driver matches the running firmware. + */ +static bfa_boolean_t +bfa_ioc_firmware_lock(struct bfa_ioc_s *ioc) +{ + enum bfi_ioc_state ioc_fwstate; + u32 usecnt; + struct bfi_ioc_image_hdr_s fwhdr; + + /** + * Firmware match check is relevant only for CNA. + */ + if (!ioc->cna) + return BFA_TRUE; + + /** + * If bios boot (flash based) -- do not increment usage count + */ + if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ) + return BFA_TRUE; + + bfa_ioc_usage_sem_get(ioc); + usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg); + + /** + * If usage count is 0, always return TRUE. + */ + if (usecnt == 0) { + bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 1); + bfa_ioc_usage_sem_release(ioc); + bfa_trc(ioc, usecnt); + return BFA_TRUE; + } + + ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate); + bfa_trc(ioc, ioc_fwstate); + + /** + * Use count cannot be non-zero and chip in uninitialized state. + */ + bfa_assert(ioc_fwstate != BFI_IOC_UNINIT); + + /** + * Check if another driver with a different firmware is active + */ + bfa_ioc_fwver_get(ioc, &fwhdr); + if (!bfa_ioc_fwver_cmp(ioc, &fwhdr)) { + bfa_ioc_usage_sem_release(ioc); + bfa_trc(ioc, usecnt); + return BFA_FALSE; + } + + /** + * Same firmware version. Increment the reference count. + */ + usecnt++; + bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt); + bfa_ioc_usage_sem_release(ioc); + bfa_trc(ioc, usecnt); + return BFA_TRUE; +} + +static void +bfa_ioc_firmware_unlock(struct bfa_ioc_s *ioc) +{ + u32 usecnt; + + /** + * Firmware lock is relevant only for CNA. + * If bios boot (flash based) -- do not decrement usage count + */ + if (!ioc->cna || (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)) + return; + + /** + * decrement usage count + */ + bfa_ioc_usage_sem_get(ioc); + usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg); + bfa_assert(usecnt > 0); + + usecnt--; + bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt); + bfa_trc(ioc, usecnt); + + bfa_ioc_usage_sem_release(ioc); +} + +/** + * Conditionally flush any pending message from firmware at start. + */ +static void +bfa_ioc_msgflush(struct bfa_ioc_s *ioc) +{ + u32 r32; + + r32 = bfa_reg_read(ioc->ioc_regs.lpu_mbox_cmd); + if (r32) + bfa_reg_write(ioc->ioc_regs.lpu_mbox_cmd, 1); +} + + +static void +bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force) +{ + enum bfi_ioc_state ioc_fwstate; + bfa_boolean_t fwvalid; + + ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate); + + if (force) + ioc_fwstate = BFI_IOC_UNINIT; + + bfa_trc(ioc, ioc_fwstate); + + /** + * check if firmware is valid + */ + fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? + BFA_FALSE : bfa_ioc_fwver_valid(ioc); + + if (!fwvalid) { + bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id); + return; + } + + /** + * If hardware initialization is in progress (initialized by other IOC), + * just wait for an initialization completion interrupt. + */ + if (ioc_fwstate == BFI_IOC_INITING) { + bfa_trc(ioc, ioc_fwstate); + ioc->cbfn->reset_cbfn(ioc->bfa); + return; + } + + /** + * If IOC function is disabled and firmware version is same, + * just re-enable IOC. + */ + if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { + bfa_trc(ioc, ioc_fwstate); + + /** + * When using MSI-X any pending firmware ready event should + * be flushed. Otherwise MSI-X interrupts are not delivered. + */ + bfa_ioc_msgflush(ioc); + ioc->cbfn->reset_cbfn(ioc->bfa); + bfa_fsm_send_event(ioc, IOC_E_FWREADY); + return; + } + + /** + * Initialize the h/w for any other states. + */ + bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id); +} + +static void +bfa_ioc_timeout(void *ioc_arg) +{ + struct bfa_ioc_s *ioc = (struct bfa_ioc_s *)ioc_arg; + + bfa_trc(ioc, 0); + bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); +} + +void +bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len) +{ + u32 *msgp = (u32 *) ioc_msg; + u32 i; + + bfa_trc(ioc, msgp[0]); + bfa_trc(ioc, len); + + bfa_assert(len <= BFI_IOC_MSGLEN_MAX); + + /* + * first write msg to mailbox registers + */ + for (i = 0; i < len / sizeof(u32); i++) + bfa_reg_write(ioc->ioc_regs.hfn_mbox + i * sizeof(u32), + bfa_os_wtole(msgp[i])); + + for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) + bfa_reg_write(ioc->ioc_regs.hfn_mbox + i * sizeof(u32), 0); + + /* + * write 1 to mailbox CMD to trigger LPU event + */ + bfa_reg_write(ioc->ioc_regs.hfn_mbox_cmd, 1); + (void)bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd); +} + +static void +bfa_ioc_send_enable(struct bfa_ioc_s *ioc) +{ + struct bfi_ioc_ctrl_req_s enable_req; + + bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, + bfa_ioc_portid(ioc)); + enable_req.ioc_class = ioc->ioc_mc; + bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s)); +} + +static void +bfa_ioc_send_disable(struct bfa_ioc_s *ioc) +{ + struct bfi_ioc_ctrl_req_s disable_req; + + bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, + bfa_ioc_portid(ioc)); + bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req_s)); +} + +static void +bfa_ioc_send_getattr(struct bfa_ioc_s *ioc) +{ + struct bfi_ioc_getattr_req_s attr_req; + + bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, + bfa_ioc_portid(ioc)); + bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); + bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); +} + +static void +bfa_ioc_hb_check(void *cbarg) +{ + struct bfa_ioc_s *ioc = cbarg; + u32 hb_count; + + hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat); + if (ioc->hb_count == hb_count) { + ioc->hb_fail++; + } else { + ioc->hb_count = hb_count; + ioc->hb_fail = 0; + } + + if (ioc->hb_fail >= BFA_IOC_HB_FAIL_MAX) { + bfa_log(ioc->logm, BFA_LOG_HAL_HEARTBEAT_FAILURE, hb_count); + ioc->hb_fail = 0; + bfa_ioc_recover(ioc); + return; + } + + bfa_ioc_mbox_poll(ioc); + bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, ioc, + BFA_IOC_HB_TOV); +} + +static void +bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc) +{ + ioc->hb_fail = 0; + ioc->hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat); + bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, ioc, + BFA_IOC_HB_TOV); +} + +static void +bfa_ioc_hb_stop(struct bfa_ioc_s *ioc) +{ + bfa_timer_stop(&ioc->ioc_timer); +} + +/** + * Host to LPU mailbox message addresses + */ +static struct { + u32 hfn_mbox, lpu_mbox, hfn_pgn; +} iocreg_fnreg[] = { + { + HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0}, { + HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1}, { + HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2}, { + HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3} +}; + +/** + * Host <-> LPU mailbox command/status registers - port 0 + */ +static struct { + u32 hfn, lpu; +} iocreg_mbcmd_p0[] = { + { + HOSTFN0_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN0_MBOX0_CMD_STAT}, { + HOSTFN1_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN1_MBOX0_CMD_STAT}, { + HOSTFN2_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN2_MBOX0_CMD_STAT}, { + HOSTFN3_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN3_MBOX0_CMD_STAT} +}; + +/** + * Host <-> LPU mailbox command/status registers - port 1 + */ +static struct { + u32 hfn, lpu; +} iocreg_mbcmd_p1[] = { + { + HOSTFN0_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN0_MBOX0_CMD_STAT}, { + HOSTFN1_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN1_MBOX0_CMD_STAT}, { + HOSTFN2_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN2_MBOX0_CMD_STAT}, { + HOSTFN3_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN3_MBOX0_CMD_STAT} +}; + +/** + * Shared IRQ handling in INTX mode + */ +static struct { + u32 isr, msk; +} iocreg_shirq_next[] = { + { + HOSTFN1_INT_STATUS, HOSTFN1_INT_MSK}, { + HOSTFN2_INT_STATUS, HOSTFN2_INT_MSK}, { + HOSTFN3_INT_STATUS, HOSTFN3_INT_MSK}, { +HOSTFN0_INT_STATUS, HOSTFN0_INT_MSK},}; + +static void +bfa_ioc_reg_init(struct bfa_ioc_s *ioc) +{ + bfa_os_addr_t rb; + int pcifn = bfa_ioc_pcifn(ioc); + + rb = bfa_ioc_bar0(ioc); + + ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox; + ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox; + ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn; + + if (ioc->port_id == 0) { + ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; + ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; + ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].hfn; + ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].lpu; + ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0; + } else { + ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG); + ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG); + ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].hfn; + ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].lpu; + ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1; + } + + /** + * Shared IRQ handling in INTX mode + */ + ioc->ioc_regs.shirq_isr_next = rb + iocreg_shirq_next[pcifn].isr; + ioc->ioc_regs.shirq_msk_next = rb + iocreg_shirq_next[pcifn].msk; + + /* + * PSS control registers + */ + ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG); + ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_425_CTL_REG); + ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_312_CTL_REG); + + /* + * IOC semaphore registers and serialization + */ + ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG); + ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG); + ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT); + + /** + * sram memory access + */ + ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START); + ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CB; + if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) + ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT; +} + +/** + * Initiate a full firmware download. + */ +static void +bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type, + u32 boot_param) +{ + u32 *fwimg; + u32 pgnum, pgoff; + u32 loff = 0; + u32 chunkno = 0; + u32 i; + + /** + * Initialize LMEM first before code download + */ + bfa_ioc_lmem_init(ioc); + + /** + * Flash based firmware boot + */ + bfa_trc(ioc, bfa_ioc_fwimg_get_size(ioc)); + if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ) + boot_type = BFI_BOOT_TYPE_FLASH; + fwimg = bfa_ioc_fwimg_get_chunk(ioc, chunkno); + fwimg[BFI_BOOT_TYPE_OFF / sizeof(u32)] = bfa_os_swap32(boot_type); + fwimg[BFI_BOOT_PARAM_OFF / sizeof(u32)] = + bfa_os_swap32(boot_param); + + pgnum = bfa_ioc_smem_pgnum(ioc, loff); + pgoff = bfa_ioc_smem_pgoff(ioc, loff); + + bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + + for (i = 0; i < bfa_ioc_fwimg_get_size(ioc); i++) { + + if (BFA_FLASH_CHUNK_NO(i) != chunkno) { + chunkno = BFA_FLASH_CHUNK_NO(i); + fwimg = bfa_ioc_fwimg_get_chunk(ioc, + BFA_FLASH_CHUNK_ADDR(chunkno)); + } + + /** + * write smem + */ + bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, + fwimg[BFA_FLASH_OFFSET_IN_CHUNK(i)]); + + loff += sizeof(u32); + + /** + * handle page offset wrap around + */ + loff = PSS_SMEM_PGOFF(loff); + if (loff == 0) { + pgnum++; + bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + } + } + + bfa_reg_write(ioc->ioc_regs.host_page_num_fn, + bfa_ioc_smem_pgnum(ioc, 0)); +} + +static void +bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force) +{ + bfa_ioc_hwinit(ioc, force); +} + +/** + * Update BFA configuration from firmware configuration. + */ +static void +bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc) +{ + struct bfi_ioc_attr_s *attr = ioc->attr; + + attr->adapter_prop = bfa_os_ntohl(attr->adapter_prop); + attr->maxfrsize = bfa_os_ntohs(attr->maxfrsize); + + bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); +} + +/** + * Attach time initialization of mbox logic. + */ +static void +bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc) +{ + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + int mc; + + INIT_LIST_HEAD(&mod->cmd_q); + for (mc = 0; mc < BFI_MC_MAX; mc++) { + mod->mbhdlr[mc].cbfn = NULL; + mod->mbhdlr[mc].cbarg = ioc->bfa; + } +} + +/** + * Mbox poll timer -- restarts any pending mailbox requests. + */ +static void +bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc) +{ + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + struct bfa_mbox_cmd_s *cmd; + u32 stat; + + /** + * If no command pending, do nothing + */ + if (list_empty(&mod->cmd_q)) + return; + + /** + * If previous command is not yet fetched by firmware, do nothing + */ + stat = bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd); + if (stat) + return; + + /** + * Enqueue command to firmware. + */ + bfa_q_deq(&mod->cmd_q, &cmd); + bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); +} + +/** + * Cleanup any pending requests. + */ +static void +bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc) +{ + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + struct bfa_mbox_cmd_s *cmd; + + while (!list_empty(&mod->cmd_q)) + bfa_q_deq(&mod->cmd_q, &cmd); +} + +/** + * Initialize IOC to port mapping. + */ + +#define FNC_PERS_FN_SHIFT(__fn) ((__fn) * 8) +static void +bfa_ioc_map_port(struct bfa_ioc_s *ioc) +{ + bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; + u32 r32; + + /** + * For crossbow, port id is same as pci function. + */ + if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_CT) { + ioc->port_id = bfa_ioc_pcifn(ioc); + return; + } + + /** + * For catapult, base port id on personality register and IOC type + */ + r32 = bfa_reg_read(rb + FNC_PERS_REG); + r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)); + ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH; + + bfa_trc(ioc, bfa_ioc_pcifn(ioc)); + bfa_trc(ioc, ioc->port_id); +} + + + +/** + * bfa_ioc_public + */ + +/** +* Set interrupt mode for a function: INTX or MSIX + */ +void +bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix) +{ + bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; + u32 r32, mode; + + r32 = bfa_reg_read(rb + FNC_PERS_REG); + bfa_trc(ioc, r32); + + mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) & + __F0_INTX_STATUS; + + /** + * If already in desired mode, do not change anything + */ + if (!msix && mode) + return; + + if (msix) + mode = __F0_INTX_STATUS_MSIX; + else + mode = __F0_INTX_STATUS_INTA; + + r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); + r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); + bfa_trc(ioc, r32); + + bfa_reg_write(rb + FNC_PERS_REG, r32); +} + +bfa_status_t +bfa_ioc_pll_init(struct bfa_ioc_s *ioc) +{ + bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; + u32 pll_sclk, pll_fclk, r32; + + if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) { + pll_sclk = + __APP_PLL_312_ENABLE | __APP_PLL_312_LRESETN | + __APP_PLL_312_RSEL200500 | __APP_PLL_312_P0_1(0U) | + __APP_PLL_312_JITLMT0_1(3U) | + __APP_PLL_312_CNTLMT0_1(1U); + pll_fclk = + __APP_PLL_425_ENABLE | __APP_PLL_425_LRESETN | + __APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(0U) | + __APP_PLL_425_JITLMT0_1(3U) | + __APP_PLL_425_CNTLMT0_1(1U); + + /** + * For catapult, choose operational mode FC/FCoE + */ + if (ioc->fcmode) { + bfa_reg_write((rb + OP_MODE), 0); + bfa_reg_write((rb + ETH_MAC_SER_REG), + __APP_EMS_CMLCKSEL | __APP_EMS_REFCKBUFEN2 + | __APP_EMS_CHANNEL_SEL); + } else { + ioc->pllinit = BFA_TRUE; + bfa_reg_write((rb + OP_MODE), __GLOBAL_FCOE_MODE); + bfa_reg_write((rb + ETH_MAC_SER_REG), + __APP_EMS_REFCKBUFEN1); + } + } else { + pll_sclk = + __APP_PLL_312_ENABLE | __APP_PLL_312_LRESETN | + __APP_PLL_312_P0_1(3U) | __APP_PLL_312_JITLMT0_1(3U) | + __APP_PLL_312_CNTLMT0_1(3U); + pll_fclk = + __APP_PLL_425_ENABLE | __APP_PLL_425_LRESETN | + __APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(3U) | + __APP_PLL_425_JITLMT0_1(3U) | + __APP_PLL_425_CNTLMT0_1(3U); + } + + bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_UNINIT); + bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_UNINIT); + + bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU); + bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU); + bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU); + bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU); + bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU); + bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU); + + bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, + __APP_PLL_312_LOGIC_SOFT_RESET); + bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, + __APP_PLL_312_BYPASS | __APP_PLL_312_LOGIC_SOFT_RESET); + bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, + __APP_PLL_425_LOGIC_SOFT_RESET); + bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, + __APP_PLL_425_BYPASS | __APP_PLL_425_LOGIC_SOFT_RESET); + bfa_os_udelay(2); + bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, + __APP_PLL_312_LOGIC_SOFT_RESET); + bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, + __APP_PLL_425_LOGIC_SOFT_RESET); + + bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, + pll_sclk | __APP_PLL_312_LOGIC_SOFT_RESET); + bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, + pll_fclk | __APP_PLL_425_LOGIC_SOFT_RESET); + + /** + * Wait for PLLs to lock. + */ + bfa_os_udelay(2000); + bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU); + bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU); + + bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk); + bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk); + + if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) { + bfa_reg_write((rb + MBIST_CTL_REG), __EDRAM_BISTR_START); + bfa_os_udelay(1000); + r32 = bfa_reg_read((rb + MBIST_STAT_REG)); + bfa_trc(ioc, r32); + } + + return BFA_STATUS_OK; +} + +/** + * Interface used by diag module to do firmware boot with memory test + * as the entry vector. + */ +void +bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param) +{ + bfa_os_addr_t rb; + + bfa_ioc_stats(ioc, ioc_boots); + + if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) + return; + + /** + * Initialize IOC state of all functions on a chip reset. + */ + rb = ioc->pcidev.pci_bar_kva; + if (boot_param == BFI_BOOT_TYPE_MEMTEST) { + bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_MEMTEST); + bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_MEMTEST); + } else { + bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_INITING); + bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_INITING); + } + + bfa_ioc_download_fw(ioc, boot_type, boot_param); + + /** + * Enable interrupts just before starting LPU + */ + ioc->cbfn->reset_cbfn(ioc->bfa); + bfa_ioc_lpu_start(ioc); +} + +/** + * Enable/disable IOC failure auto recovery. + */ +void +bfa_ioc_auto_recover(bfa_boolean_t auto_recover) +{ + bfa_auto_recover = BFA_FALSE; +} + + +bfa_boolean_t +bfa_ioc_is_operational(struct bfa_ioc_s *ioc) +{ + return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); +} + +void +bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg) +{ + u32 *msgp = mbmsg; + u32 r32; + int i; + + /** + * read the MBOX msg + */ + for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); + i++) { + r32 = bfa_reg_read(ioc->ioc_regs.lpu_mbox + + i * sizeof(u32)); + msgp[i] = bfa_os_htonl(r32); + } + + /** + * turn off mailbox interrupt by clearing mailbox status + */ + bfa_reg_write(ioc->ioc_regs.lpu_mbox_cmd, 1); + bfa_reg_read(ioc->ioc_regs.lpu_mbox_cmd); +} + +void +bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) +{ + union bfi_ioc_i2h_msg_u *msg; + + msg = (union bfi_ioc_i2h_msg_u *)m; + + bfa_ioc_stats(ioc, ioc_isrs); + + switch (msg->mh.msg_id) { + case BFI_IOC_I2H_HBEAT: + break; + + case BFI_IOC_I2H_READY_EVENT: + bfa_fsm_send_event(ioc, IOC_E_FWREADY); + break; + + case BFI_IOC_I2H_ENABLE_REPLY: + bfa_fsm_send_event(ioc, IOC_E_FWRSP_ENABLE); + break; + + case BFI_IOC_I2H_DISABLE_REPLY: + bfa_fsm_send_event(ioc, IOC_E_FWRSP_DISABLE); + break; + + case BFI_IOC_I2H_GETATTR_REPLY: + bfa_ioc_getattr_reply(ioc); + break; + + default: + bfa_trc(ioc, msg->mh.msg_id); + bfa_assert(0); + } +} + +/** + * IOC attach time initialization and setup. + * + * @param[in] ioc memory for IOC + * @param[in] bfa driver instance structure + * @param[in] trcmod kernel trace module + * @param[in] aen kernel aen event module + * @param[in] logm kernel logging module + */ +void +bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn, + struct bfa_timer_mod_s *timer_mod, struct bfa_trc_mod_s *trcmod, + struct bfa_aen_s *aen, struct bfa_log_mod_s *logm) +{ + ioc->bfa = bfa; + ioc->cbfn = cbfn; + ioc->timer_mod = timer_mod; + ioc->trcmod = trcmod; + ioc->aen = aen; + ioc->logm = logm; + ioc->fcmode = BFA_FALSE; + ioc->pllinit = BFA_FALSE; + ioc->dbg_fwsave_once = BFA_TRUE; + + bfa_ioc_mbox_attach(ioc); + INIT_LIST_HEAD(&ioc->hb_notify_q); + + bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); +} + +/** + * Driver detach time IOC cleanup. + */ +void +bfa_ioc_detach(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_DETACH); +} + +/** + * Setup IOC PCI properties. + * + * @param[in] pcidev PCI device information for this IOC + */ +void +bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev, + enum bfi_mclass mc) +{ + ioc->ioc_mc = mc; + ioc->pcidev = *pcidev; + ioc->ctdev = (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT); + ioc->cna = ioc->ctdev && !ioc->fcmode; + + bfa_ioc_map_port(ioc); + bfa_ioc_reg_init(ioc); +} + +/** + * Initialize IOC dma memory + * + * @param[in] dm_kva kernel virtual address of IOC dma memory + * @param[in] dm_pa physical address of IOC dma memory + */ +void +bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa) +{ + /** + * dma memory for firmware attribute + */ + ioc->attr_dma.kva = dm_kva; + ioc->attr_dma.pa = dm_pa; + ioc->attr = (struct bfi_ioc_attr_s *)dm_kva; +} + +/** + * Return size of dma memory required. + */ +u32 +bfa_ioc_meminfo(void) +{ + return BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ); +} + +void +bfa_ioc_enable(struct bfa_ioc_s *ioc) +{ + bfa_ioc_stats(ioc, ioc_enables); + ioc->dbg_fwsave_once = BFA_TRUE; + + bfa_fsm_send_event(ioc, IOC_E_ENABLE); +} + +void +bfa_ioc_disable(struct bfa_ioc_s *ioc) +{ + bfa_ioc_stats(ioc, ioc_disables); + bfa_fsm_send_event(ioc, IOC_E_DISABLE); +} + +/** + * Returns memory required for saving firmware trace in case of crash. + * Driver must call this interface to allocate memory required for + * automatic saving of firmware trace. Driver should call + * bfa_ioc_debug_memclaim() right after bfa_ioc_attach() to setup this + * trace memory. + */ +int +bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover) +{ +return (auto_recover) ? BFA_DBG_FWTRC_LEN : 0; +} + +/** + * Initialize memory for saving firmware trace. Driver must initialize + * trace memory before call bfa_ioc_enable(). + */ +void +bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave) +{ + bfa_assert(ioc->auto_recover); + ioc->dbg_fwsave = dbg_fwsave; + ioc->dbg_fwsave_len = bfa_ioc_debug_trcsz(ioc->auto_recover); +} + +u32 +bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr) +{ + return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr); +} + +u32 +bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr) +{ + return PSS_SMEM_PGOFF(fmaddr); +} + +/** + * Register mailbox message handler functions + * + * @param[in] ioc IOC instance + * @param[in] mcfuncs message class handler functions + */ +void +bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, bfa_ioc_mbox_mcfunc_t *mcfuncs) +{ + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + int mc; + + for (mc = 0; mc < BFI_MC_MAX; mc++) + mod->mbhdlr[mc].cbfn = mcfuncs[mc]; +} + +/** + * Register mailbox message handler function, to be called by common modules + */ +void +bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc, + bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) +{ + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + + mod->mbhdlr[mc].cbfn = cbfn; + mod->mbhdlr[mc].cbarg = cbarg; +} + +/** + * Queue a mailbox command request to firmware. Waits if mailbox is busy. + * Responsibility of caller to serialize + * + * @param[in] ioc IOC instance + * @param[i] cmd Mailbox command + */ +void +bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd) +{ + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + u32 stat; + + /** + * If a previous command is pending, queue new command + */ + if (!list_empty(&mod->cmd_q)) { + list_add_tail(&cmd->qe, &mod->cmd_q); + return; + } + + /** + * If mailbox is busy, queue command for poll timer + */ + stat = bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd); + if (stat) { + list_add_tail(&cmd->qe, &mod->cmd_q); + return; + } + + /** + * mailbox is free -- queue command to firmware + */ + bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); +} + +/** + * Handle mailbox interrupts + */ +void +bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc) +{ + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + struct bfi_mbmsg_s m; + int mc; + + bfa_ioc_msgget(ioc, &m); + + /** + * Treat IOC message class as special. + */ + mc = m.mh.msg_class; + if (mc == BFI_MC_IOC) { + bfa_ioc_isr(ioc, &m); + return; + } + + if ((mc > BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) + return; + + mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); +} + +void +bfa_ioc_error_isr(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_HWERROR); +} + +#ifndef BFA_BIOS_BUILD + +/** + * return true if IOC is disabled + */ +bfa_boolean_t +bfa_ioc_is_disabled(struct bfa_ioc_s *ioc) +{ + return (bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) + || bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled)); +} + +/** + * return true if IOC firmware is different. + */ +bfa_boolean_t +bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc) +{ + return (bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset) + || bfa_fsm_cmp_state(ioc, bfa_ioc_sm_fwcheck) + || bfa_fsm_cmp_state(ioc, bfa_ioc_sm_mismatch)); +} + +#define bfa_ioc_state_disabled(__sm) \ + (((__sm) == BFI_IOC_UNINIT) || \ + ((__sm) == BFI_IOC_INITING) || \ + ((__sm) == BFI_IOC_HWINIT) || \ + ((__sm) == BFI_IOC_DISABLED) || \ + ((__sm) == BFI_IOC_HBFAIL) || \ + ((__sm) == BFI_IOC_CFG_DISABLED)) + +/** + * Check if adapter is disabled -- both IOCs should be in a disabled + * state. + */ +bfa_boolean_t +bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc) +{ + u32 ioc_state; + bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; + + if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled)) + return BFA_FALSE; + + ioc_state = bfa_reg_read(rb + BFA_IOC0_STATE_REG); + if (!bfa_ioc_state_disabled(ioc_state)) + return BFA_FALSE; + + ioc_state = bfa_reg_read(rb + BFA_IOC1_STATE_REG); + if (!bfa_ioc_state_disabled(ioc_state)) + return BFA_FALSE; + + return BFA_TRUE; +} + +/** + * Add to IOC heartbeat failure notification queue. To be used by common + * modules such as + */ +void +bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc, + struct bfa_ioc_hbfail_notify_s *notify) +{ + list_add_tail(¬ify->qe, &ioc->hb_notify_q); +} + +#define BFA_MFG_NAME "Brocade" +void +bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, + struct bfa_adapter_attr_s *ad_attr) +{ + struct bfi_ioc_attr_s *ioc_attr; + char model[BFA_ADAPTER_MODEL_NAME_LEN]; + + ioc_attr = ioc->attr; + bfa_os_memcpy((void *)&ad_attr->serial_num, + (void *)ioc_attr->brcd_serialnum, + BFA_ADAPTER_SERIAL_NUM_LEN); + + bfa_os_memcpy(&ad_attr->fw_ver, ioc_attr->fw_version, BFA_VERSION_LEN); + bfa_os_memcpy(&ad_attr->optrom_ver, ioc_attr->optrom_version, + BFA_VERSION_LEN); + bfa_os_memcpy(&ad_attr->manufacturer, BFA_MFG_NAME, + BFA_ADAPTER_MFG_NAME_LEN); + bfa_os_memcpy(&ad_attr->vpd, &ioc_attr->vpd, + sizeof(struct bfa_mfg_vpd_s)); + + ad_attr->nports = BFI_ADAPTER_GETP(NPORTS, ioc_attr->adapter_prop); + ad_attr->max_speed = BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop); + + /** + * model name + */ + if (BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop) == 10) { + strcpy(model, "BR-10?0"); + model[5] = '0' + ad_attr->nports; + } else { + strcpy(model, "Brocade-??5"); + model[8] = + '0' + BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop); + model[9] = '0' + ad_attr->nports; + } + + if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) + ad_attr->prototype = 1; + else + ad_attr->prototype = 0; + + bfa_os_memcpy(&ad_attr->model, model, BFA_ADAPTER_MODEL_NAME_LEN); + bfa_os_memcpy(&ad_attr->model_descr, &ad_attr->model, + BFA_ADAPTER_MODEL_NAME_LEN); + + ad_attr->pwwn = bfa_ioc_get_pwwn(ioc); + ad_attr->mac = bfa_ioc_get_mac(ioc); + + ad_attr->pcie_gen = ioc_attr->pcie_gen; + ad_attr->pcie_lanes = ioc_attr->pcie_lanes; + ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; + ad_attr->asic_rev = ioc_attr->asic_rev; + ad_attr->hw_ver[0] = 'R'; + ad_attr->hw_ver[1] = 'e'; + ad_attr->hw_ver[2] = 'v'; + ad_attr->hw_ver[3] = '-'; + ad_attr->hw_ver[4] = ioc_attr->asic_rev; + ad_attr->hw_ver[5] = '\0'; + + ad_attr->cna_capable = ioc->cna; +} + +void +bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr) +{ + bfa_os_memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s)); + + ioc_attr->state = bfa_sm_to_state(ioc_sm_table, ioc->fsm); + ioc_attr->port_id = ioc->port_id; + + if (!ioc->ctdev) + ioc_attr->ioc_type = BFA_IOC_TYPE_FC; + else if (ioc->ioc_mc == BFI_MC_IOCFC) + ioc_attr->ioc_type = BFA_IOC_TYPE_FCoE; + else if (ioc->ioc_mc == BFI_MC_LL) + ioc_attr->ioc_type = BFA_IOC_TYPE_LL; + + bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); + + ioc_attr->pci_attr.device_id = ioc->pcidev.device_id; + ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func; + ioc_attr->pci_attr.chip_rev[0] = 'R'; + ioc_attr->pci_attr.chip_rev[1] = 'e'; + ioc_attr->pci_attr.chip_rev[2] = 'v'; + ioc_attr->pci_attr.chip_rev[3] = '-'; + ioc_attr->pci_attr.chip_rev[4] = ioc_attr->adapter_attr.asic_rev; + ioc_attr->pci_attr.chip_rev[5] = '\0'; +} + +/** + * hal_wwn_public + */ +wwn_t +bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc) +{ + union { + wwn_t wwn; + u8 byte[sizeof(wwn_t)]; + } + w; + + w.wwn = ioc->attr->mfg_wwn; + + if (bfa_ioc_portid(ioc) == 1) + w.byte[7]++; + + return w.wwn; +} + +wwn_t +bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc) +{ + union { + wwn_t wwn; + u8 byte[sizeof(wwn_t)]; + } + w; + + w.wwn = ioc->attr->mfg_wwn; + + if (bfa_ioc_portid(ioc) == 1) + w.byte[7]++; + + w.byte[0] = 0x20; + + return w.wwn; +} + +wwn_t +bfa_ioc_get_wwn_naa5(struct bfa_ioc_s *ioc, u16 inst) +{ + union { + wwn_t wwn; + u8 byte[sizeof(wwn_t)]; + } + w , w5; + + bfa_trc(ioc, inst); + + w.wwn = ioc->attr->mfg_wwn; + w5.byte[0] = 0x50 | w.byte[2] >> 4; + w5.byte[1] = w.byte[2] << 4 | w.byte[3] >> 4; + w5.byte[2] = w.byte[3] << 4 | w.byte[4] >> 4; + w5.byte[3] = w.byte[4] << 4 | w.byte[5] >> 4; + w5.byte[4] = w.byte[5] << 4 | w.byte[6] >> 4; + w5.byte[5] = w.byte[6] << 4 | w.byte[7] >> 4; + w5.byte[6] = w.byte[7] << 4 | (inst & 0x0f00) >> 8; + w5.byte[7] = (inst & 0xff); + + return w5.wwn; +} + +u64 +bfa_ioc_get_adid(struct bfa_ioc_s *ioc) +{ + return ioc->attr->mfg_wwn; +} + +mac_t +bfa_ioc_get_mac(struct bfa_ioc_s *ioc) +{ + mac_t mac; + + mac = ioc->attr->mfg_mac; + mac.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc); + + return mac; +} + +void +bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc) +{ + ioc->fcmode = BFA_TRUE; + ioc->port_id = bfa_ioc_pcifn(ioc); +} + +bfa_boolean_t +bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc) +{ + return ioc->fcmode || (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_CT); +} + +/** + * Return true if interrupt should be claimed. + */ +bfa_boolean_t +bfa_ioc_intx_claim(struct bfa_ioc_s *ioc) +{ + u32 isr, msk; + + /** + * Always claim if not catapult. + */ + if (!ioc->ctdev) + return BFA_TRUE; + + /** + * FALSE if next device is claiming interrupt. + * TRUE if next device is not interrupting or not present. + */ + msk = bfa_reg_read(ioc->ioc_regs.shirq_msk_next); + isr = bfa_reg_read(ioc->ioc_regs.shirq_isr_next); + return !(isr & ~msk); +} + +/** + * Send AEN notification + */ +static void +bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = ioc->logm; + s32 inst_num = 0; + struct bfa_ioc_attr_s ioc_attr; + + switch (event) { + case BFA_IOC_AEN_HBGOOD: + bfa_log(logmod, BFA_AEN_IOC_HBGOOD, inst_num); + break; + case BFA_IOC_AEN_HBFAIL: + bfa_log(logmod, BFA_AEN_IOC_HBFAIL, inst_num); + break; + case BFA_IOC_AEN_ENABLE: + bfa_log(logmod, BFA_AEN_IOC_ENABLE, inst_num); + break; + case BFA_IOC_AEN_DISABLE: + bfa_log(logmod, BFA_AEN_IOC_DISABLE, inst_num); + break; + case BFA_IOC_AEN_FWMISMATCH: + bfa_log(logmod, BFA_AEN_IOC_FWMISMATCH, inst_num); + break; + default: + break; + } + + memset(&aen_data.ioc.pwwn, 0, sizeof(aen_data.ioc.pwwn)); + memset(&aen_data.ioc.mac, 0, sizeof(aen_data.ioc.mac)); + bfa_ioc_get_attr(ioc, &ioc_attr); + switch (ioc_attr.ioc_type) { + case BFA_IOC_TYPE_FC: + aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc); + break; + case BFA_IOC_TYPE_FCoE: + aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc); + aen_data.ioc.mac = bfa_ioc_get_mac(ioc); + break; + case BFA_IOC_TYPE_LL: + aen_data.ioc.mac = bfa_ioc_get_mac(ioc); + break; + default: + bfa_assert(ioc_attr.ioc_type == BFA_IOC_TYPE_FC); + break; + } + aen_data.ioc.ioc_type = ioc_attr.ioc_type; +} + +/** + * Retrieve saved firmware trace from a prior IOC failure. + */ +bfa_status_t +bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) +{ + int tlen; + + if (ioc->dbg_fwsave_len == 0) + return BFA_STATUS_ENOFSAVE; + + tlen = *trclen; + if (tlen > ioc->dbg_fwsave_len) + tlen = ioc->dbg_fwsave_len; + + bfa_os_memcpy(trcdata, ioc->dbg_fwsave, tlen); + *trclen = tlen; + return BFA_STATUS_OK; +} + +/** + * Retrieve saved firmware trace from a prior IOC failure. + */ +bfa_status_t +bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) +{ + u32 pgnum; + u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc)); + int i, tlen; + u32 *tbuf = trcdata, r32; + + bfa_trc(ioc, *trclen); + + pgnum = bfa_ioc_smem_pgnum(ioc, loff); + loff = bfa_ioc_smem_pgoff(ioc, loff); + bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + + tlen = *trclen; + if (tlen > BFA_DBG_FWTRC_LEN) + tlen = BFA_DBG_FWTRC_LEN; + tlen /= sizeof(u32); + + bfa_trc(ioc, tlen); + + for (i = 0; i < tlen; i++) { + r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); + tbuf[i] = bfa_os_ntohl(r32); + loff += sizeof(u32); + + /** + * handle page offset wrap around + */ + loff = PSS_SMEM_PGOFF(loff); + if (loff == 0) { + pgnum++; + bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + } + } + bfa_reg_write(ioc->ioc_regs.host_page_num_fn, + bfa_ioc_smem_pgnum(ioc, 0)); + bfa_trc(ioc, pgnum); + + *trclen = tlen * sizeof(u32); + return BFA_STATUS_OK; +} + +/** + * Save firmware trace if configured. + */ +static void +bfa_ioc_debug_save(struct bfa_ioc_s *ioc) +{ + int tlen; + + if (ioc->dbg_fwsave_len) { + tlen = ioc->dbg_fwsave_len; + bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen); + } +} + +/** + * Firmware failure detected. Start recovery actions. + */ +static void +bfa_ioc_recover(struct bfa_ioc_s *ioc) +{ + if (ioc->dbg_fwsave_once) { + ioc->dbg_fwsave_once = BFA_FALSE; + bfa_ioc_debug_save(ioc); + } + + bfa_ioc_stats(ioc, ioc_hbfails); + bfa_fsm_send_event(ioc, IOC_E_HBFAIL); +} + +#else + +static void +bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) +{ +} + +static void +bfa_ioc_recover(struct bfa_ioc_s *ioc) +{ + bfa_assert(0); +} + +#endif + + diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h new file mode 100644 index 000000000000..58efd4b13143 --- /dev/null +++ b/drivers/scsi/bfa/bfa_ioc.h @@ -0,0 +1,259 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_IOC_H__ +#define __BFA_IOC_H__ + +#include <cs/bfa_sm.h> +#include <bfi/bfi.h> +#include <bfi/bfi_ioc.h> +#include <bfi/bfi_boot.h> +#include <bfa_timer.h> + +/** + * PCI device information required by IOC + */ +struct bfa_pcidev_s { + int pci_slot; + u8 pci_func; + u16 device_id; + bfa_os_addr_t pci_bar_kva; +}; + +/** + * Structure used to remember the DMA-able memory block's KVA and Physical + * Address + */ +struct bfa_dma_s { + void *kva; /*! Kernel virtual address */ + u64 pa; /*! Physical address */ +}; + +#define BFA_DMA_ALIGN_SZ 256 +#define BFA_ROUNDUP(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) + + + +#define bfa_dma_addr_set(dma_addr, pa) \ + __bfa_dma_addr_set(&dma_addr, (u64)pa) + +static inline void +__bfa_dma_addr_set(union bfi_addr_u *dma_addr, u64 pa) +{ + dma_addr->a32.addr_lo = (u32) pa; + dma_addr->a32.addr_hi = (u32) (bfa_os_u32(pa)); +} + + +#define bfa_dma_be_addr_set(dma_addr, pa) \ + __bfa_dma_be_addr_set(&dma_addr, (u64)pa) +static inline void +__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa) +{ + dma_addr->a32.addr_lo = (u32) bfa_os_htonl(pa); + dma_addr->a32.addr_hi = (u32) bfa_os_htonl(bfa_os_u32(pa)); +} + +struct bfa_ioc_regs_s { + bfa_os_addr_t hfn_mbox_cmd; + bfa_os_addr_t hfn_mbox; + bfa_os_addr_t lpu_mbox_cmd; + bfa_os_addr_t lpu_mbox; + bfa_os_addr_t pss_ctl_reg; + bfa_os_addr_t app_pll_fast_ctl_reg; + bfa_os_addr_t app_pll_slow_ctl_reg; + bfa_os_addr_t ioc_sem_reg; + bfa_os_addr_t ioc_usage_sem_reg; + bfa_os_addr_t ioc_usage_reg; + bfa_os_addr_t host_page_num_fn; + bfa_os_addr_t heartbeat; + bfa_os_addr_t ioc_fwstate; + bfa_os_addr_t ll_halt; + bfa_os_addr_t shirq_isr_next; + bfa_os_addr_t shirq_msk_next; + bfa_os_addr_t smem_page_start; + u32 smem_pg0; +}; + +#define bfa_reg_read(_raddr) bfa_os_reg_read(_raddr) +#define bfa_reg_write(_raddr, _val) bfa_os_reg_write(_raddr, _val) +#define bfa_mem_read(_raddr, _off) bfa_os_mem_read(_raddr, _off) +#define bfa_mem_write(_raddr, _off, _val) \ + bfa_os_mem_write(_raddr, _off, _val) +/** + * IOC Mailbox structures + */ +struct bfa_mbox_cmd_s { + struct list_head qe; + u32 msg[BFI_IOC_MSGSZ]; +}; + +/** + * IOC mailbox module + */ +typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg_s *m); +struct bfa_ioc_mbox_mod_s { + struct list_head cmd_q; /* pending mbox queue */ + int nmclass; /* number of handlers */ + struct { + bfa_ioc_mbox_mcfunc_t cbfn; /* message handlers */ + void *cbarg; + } mbhdlr[BFI_MC_MAX]; +}; + +/** + * IOC callback function interfaces + */ +typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status); +typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa); +typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa); +typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa); +struct bfa_ioc_cbfn_s { + bfa_ioc_enable_cbfn_t enable_cbfn; + bfa_ioc_disable_cbfn_t disable_cbfn; + bfa_ioc_hbfail_cbfn_t hbfail_cbfn; + bfa_ioc_reset_cbfn_t reset_cbfn; +}; + +/** + * Heartbeat failure notification queue element. + */ +struct bfa_ioc_hbfail_notify_s { + struct list_head qe; + bfa_ioc_hbfail_cbfn_t cbfn; + void *cbarg; +}; + +/** + * Initialize a heartbeat failure notification structure + */ +#define bfa_ioc_hbfail_init(__notify, __cbfn, __cbarg) do { \ + (__notify)->cbfn = (__cbfn); \ + (__notify)->cbarg = (__cbarg); \ +} while (0) + +struct bfa_ioc_s { + bfa_fsm_t fsm; + struct bfa_s *bfa; + struct bfa_pcidev_s pcidev; + struct bfa_timer_mod_s *timer_mod; + struct bfa_timer_s ioc_timer; + struct bfa_timer_s sem_timer; + u32 hb_count; + u32 hb_fail; + u32 retry_count; + struct list_head hb_notify_q; + void *dbg_fwsave; + int dbg_fwsave_len; + bfa_boolean_t dbg_fwsave_once; + enum bfi_mclass ioc_mc; + struct bfa_ioc_regs_s ioc_regs; + struct bfa_trc_mod_s *trcmod; + struct bfa_aen_s *aen; + struct bfa_log_mod_s *logm; + struct bfa_ioc_drv_stats_s stats; + bfa_boolean_t auto_recover; + bfa_boolean_t fcmode; + bfa_boolean_t ctdev; + bfa_boolean_t cna; + bfa_boolean_t pllinit; + u8 port_id; + + struct bfa_dma_s attr_dma; + struct bfi_ioc_attr_s *attr; + struct bfa_ioc_cbfn_s *cbfn; + struct bfa_ioc_mbox_mod_s mbox_mod; +}; + +#define bfa_ioc_pcifn(__ioc) (__ioc)->pcidev.pci_func +#define bfa_ioc_devid(__ioc) (__ioc)->pcidev.device_id +#define bfa_ioc_bar0(__ioc) (__ioc)->pcidev.pci_bar_kva +#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) +#define bfa_ioc_fetch_stats(__ioc, __stats) \ + ((__stats)->drv_stats) = (__ioc)->stats +#define bfa_ioc_clr_stats(__ioc) \ + bfa_os_memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats)) +#define bfa_ioc_maxfrsize(__ioc) (__ioc)->attr->maxfrsize +#define bfa_ioc_rx_bbcredit(__ioc) (__ioc)->attr->rx_bbcredit +#define bfa_ioc_speed_sup(__ioc) \ + BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop) + +/** + * IOC mailbox interface + */ +void bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd); +void bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, + bfa_ioc_mbox_mcfunc_t *mcfuncs); +void bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc); +void bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len); +void bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg); +void bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc, + bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg); + +/** + * IOC interfaces + */ +void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, + struct bfa_ioc_cbfn_s *cbfn, struct bfa_timer_mod_s *timer_mod, + struct bfa_trc_mod_s *trcmod, + struct bfa_aen_s *aen, struct bfa_log_mod_s *logm); +void bfa_ioc_detach(struct bfa_ioc_s *ioc); +void bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev, + enum bfi_mclass mc); +u32 bfa_ioc_meminfo(void); +void bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa); +void bfa_ioc_enable(struct bfa_ioc_s *ioc); +void bfa_ioc_disable(struct bfa_ioc_s *ioc); +bfa_boolean_t bfa_ioc_intx_claim(struct bfa_ioc_s *ioc); + +void bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param); +void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *msg); +void bfa_ioc_error_isr(struct bfa_ioc_s *ioc); +void bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t intx); +bfa_status_t bfa_ioc_pll_init(struct bfa_ioc_s *ioc); +bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s *ioc); +bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc); +bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc); +bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc); +void bfa_ioc_cfg_complete(struct bfa_ioc_s *ioc); +void bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr); +void bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, + struct bfa_adapter_attr_s *ad_attr); +int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover); +void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave); +bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, + int *trclen); +bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, + int *trclen); +u32 bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr); +u32 bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr); +void bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc); +bfa_boolean_t bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc); +void bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc, + struct bfa_ioc_hbfail_notify_s *notify); + +/* + * bfa mfg wwn API functions + */ +wwn_t bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc); +wwn_t bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc); +wwn_t bfa_ioc_get_wwn_naa5(struct bfa_ioc_s *ioc, u16 inst); +mac_t bfa_ioc_get_mac(struct bfa_ioc_s *ioc); +u64 bfa_ioc_get_adid(struct bfa_ioc_s *ioc); + +#endif /* __BFA_IOC_H__ */ + diff --git a/drivers/scsi/bfa/bfa_iocfc.c b/drivers/scsi/bfa/bfa_iocfc.c new file mode 100644 index 000000000000..12350b022d63 --- /dev/null +++ b/drivers/scsi/bfa/bfa_iocfc.c @@ -0,0 +1,872 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <cs/bfa_debug.h> +#include <bfa_priv.h> +#include <log/bfa_log_hal.h> +#include <bfi/bfi_boot.h> +#include <bfi/bfi_cbreg.h> +#include <aen/bfa_aen_ioc.h> +#include <defs/bfa_defs_iocfc.h> +#include <defs/bfa_defs_pci.h> +#include "bfa_callback_priv.h" +#include "bfad_drv.h" + +BFA_TRC_FILE(HAL, IOCFC); + +/** + * IOC local definitions + */ +#define BFA_IOCFC_TOV 5000 /* msecs */ + +enum { + BFA_IOCFC_ACT_NONE = 0, + BFA_IOCFC_ACT_INIT = 1, + BFA_IOCFC_ACT_STOP = 2, + BFA_IOCFC_ACT_DISABLE = 3, +}; + +/* + * forward declarations + */ +static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status); +static void bfa_iocfc_disable_cbfn(void *bfa_arg); +static void bfa_iocfc_hbfail_cbfn(void *bfa_arg); +static void bfa_iocfc_reset_cbfn(void *bfa_arg); +static void bfa_iocfc_stats_clear(void *bfa_arg); +static void bfa_iocfc_stats_swap(struct bfa_fw_stats_s *d, + struct bfa_fw_stats_s *s); +static void bfa_iocfc_stats_clr_cb(void *bfa_arg, bfa_boolean_t complete); +static void bfa_iocfc_stats_clr_timeout(void *bfa_arg); +static void bfa_iocfc_stats_cb(void *bfa_arg, bfa_boolean_t complete); +static void bfa_iocfc_stats_timeout(void *bfa_arg); + +static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn; + +/** + * bfa_ioc_pvt BFA IOC private functions + */ + +static void +bfa_iocfc_cqs_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) +{ + int i, per_reqq_sz, per_rspq_sz; + + per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + + /* + * Calculate CQ size + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + *dm_len = *dm_len + per_reqq_sz; + *dm_len = *dm_len + per_rspq_sz; + } + + /* + * Calculate Shadow CI/PI size + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) + *dm_len += (2 * BFA_CACHELINE_SZ); +} + +static void +bfa_iocfc_fw_cfg_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) +{ + *dm_len += + BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); + *dm_len += + BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), + BFA_CACHELINE_SZ); + *dm_len += BFA_ROUNDUP(sizeof(struct bfa_fw_stats_s), BFA_CACHELINE_SZ); +} + +/** + * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ + */ +static void +bfa_iocfc_send_cfg(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfg_req_s cfg_req; + struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo; + struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg; + int i; + + bfa_assert(cfg->fwcfg.num_cqs <= BFI_IOC_MAX_CQS); + bfa_trc(bfa, cfg->fwcfg.num_cqs); + + iocfc->cfgdone = BFA_FALSE; + bfa_iocfc_reset_queues(bfa); + + /** + * initialize IOC configuration info + */ + cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG; + cfg_info->num_cqs = cfg->fwcfg.num_cqs; + + bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa); + bfa_dma_be_addr_set(cfg_info->stats_addr, iocfc->stats_pa); + + /** + * dma map REQ and RSP circular queues and shadow pointers + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + bfa_dma_be_addr_set(cfg_info->req_cq_ba[i], + iocfc->req_cq_ba[i].pa); + bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i], + iocfc->req_cq_shadow_ci[i].pa); + cfg_info->req_cq_elems[i] = + bfa_os_htons(cfg->drvcfg.num_reqq_elems); + + bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i], + iocfc->rsp_cq_ba[i].pa); + bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i], + iocfc->rsp_cq_shadow_pi[i].pa); + cfg_info->rsp_cq_elems[i] = + bfa_os_htons(cfg->drvcfg.num_rspq_elems); + } + + /** + * dma map IOC configuration itself + */ + bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ, + bfa_lpuid(bfa)); + bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa); + + bfa_ioc_mbox_send(&bfa->ioc, &cfg_req, + sizeof(struct bfi_iocfc_cfg_req_s)); +} + +static void +bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_pcidev_s *pcidev) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + bfa->bfad = bfad; + iocfc->bfa = bfa; + iocfc->action = BFA_IOCFC_ACT_NONE; + + bfa_os_assign(iocfc->cfg, *cfg); + + /** + * Initialize chip specific handlers. + */ + if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT) { + iocfc->hwif.hw_reginit = bfa_hwct_reginit; + iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack; + iocfc->hwif.hw_msix_init = bfa_hwct_msix_init; + iocfc->hwif.hw_msix_install = bfa_hwct_msix_install; + iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall; + iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set; + iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs; + } else { + iocfc->hwif.hw_reginit = bfa_hwcb_reginit; + iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack; + iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init; + iocfc->hwif.hw_msix_install = bfa_hwcb_msix_install; + iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall; + iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set; + iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs; + } + + iocfc->hwif.hw_reginit(bfa); + bfa->msix.nvecs = 0; +} + +static void +bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo) +{ + u8 *dm_kva; + u64 dm_pa; + int i, per_reqq_sz, per_rspq_sz; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + int dbgsz; + + dm_kva = bfa_meminfo_dma_virt(meminfo); + dm_pa = bfa_meminfo_dma_phys(meminfo); + + /* + * First allocate dma memory for IOC. + */ + bfa_ioc_mem_claim(&bfa->ioc, dm_kva, dm_pa); + dm_kva += bfa_ioc_meminfo(); + dm_pa += bfa_ioc_meminfo(); + + /* + * Claim DMA-able memory for the request/response queues and for shadow + * ci/pi registers + */ + per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + iocfc->req_cq_ba[i].kva = dm_kva; + iocfc->req_cq_ba[i].pa = dm_pa; + bfa_os_memset(dm_kva, 0, per_reqq_sz); + dm_kva += per_reqq_sz; + dm_pa += per_reqq_sz; + + iocfc->rsp_cq_ba[i].kva = dm_kva; + iocfc->rsp_cq_ba[i].pa = dm_pa; + bfa_os_memset(dm_kva, 0, per_rspq_sz); + dm_kva += per_rspq_sz; + dm_pa += per_rspq_sz; + } + + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + iocfc->req_cq_shadow_ci[i].kva = dm_kva; + iocfc->req_cq_shadow_ci[i].pa = dm_pa; + dm_kva += BFA_CACHELINE_SZ; + dm_pa += BFA_CACHELINE_SZ; + + iocfc->rsp_cq_shadow_pi[i].kva = dm_kva; + iocfc->rsp_cq_shadow_pi[i].pa = dm_pa; + dm_kva += BFA_CACHELINE_SZ; + dm_pa += BFA_CACHELINE_SZ; + } + + /* + * Claim DMA-able memory for the config info page + */ + bfa->iocfc.cfg_info.kva = dm_kva; + bfa->iocfc.cfg_info.pa = dm_pa; + bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva; + dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); + dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); + + /* + * Claim DMA-able memory for the config response + */ + bfa->iocfc.cfgrsp_dma.kva = dm_kva; + bfa->iocfc.cfgrsp_dma.pa = dm_pa; + bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva; + + dm_kva += + BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), + BFA_CACHELINE_SZ); + dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), + BFA_CACHELINE_SZ); + + /* + * Claim DMA-able memory for iocfc stats + */ + bfa->iocfc.stats_kva = dm_kva; + bfa->iocfc.stats_pa = dm_pa; + bfa->iocfc.fw_stats = (struct bfa_fw_stats_s *) dm_kva; + dm_kva += BFA_ROUNDUP(sizeof(struct bfa_fw_stats_s), BFA_CACHELINE_SZ); + dm_pa += BFA_ROUNDUP(sizeof(struct bfa_fw_stats_s), BFA_CACHELINE_SZ); + + bfa_meminfo_dma_virt(meminfo) = dm_kva; + bfa_meminfo_dma_phys(meminfo) = dm_pa; + + dbgsz = bfa_ioc_debug_trcsz(bfa_auto_recover); + if (dbgsz > 0) { + bfa_ioc_debug_memclaim(&bfa->ioc, bfa_meminfo_kva(meminfo)); + bfa_meminfo_kva(meminfo) += dbgsz; + } +} + +/** + * BFA submodules initialization completion notification. + */ +static void +bfa_iocfc_initdone_submod(struct bfa_s *bfa) +{ + int i; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->initdone(bfa); +} + +/** + * Start BFA submodules. + */ +static void +bfa_iocfc_start_submod(struct bfa_s *bfa) +{ + int i; + + bfa->rme_process = BFA_TRUE; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->start(bfa); +} + +/** + * Disable BFA submodules. + */ +static void +bfa_iocfc_disable_submod(struct bfa_s *bfa) +{ + int i; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->iocdisable(bfa); +} + +static void +bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete) +{ + struct bfa_s *bfa = bfa_arg; + + if (complete) { + if (bfa->iocfc.cfgdone) + bfa_cb_init(bfa->bfad, BFA_STATUS_OK); + else + bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED); + } else + bfa->iocfc.action = BFA_IOCFC_ACT_NONE; +} + +static void +bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl) +{ + struct bfa_s *bfa = bfa_arg; + struct bfad_s *bfad = bfa->bfad; + + if (compl) + complete(&bfad->comp); + + else + bfa->iocfc.action = BFA_IOCFC_ACT_NONE; +} + +static void +bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl) +{ + struct bfa_s *bfa = bfa_arg; + struct bfad_s *bfad = bfa->bfad; + + if (compl) + complete(&bfad->disable_comp); +} + +/** + * Update BFA configuration from firmware configuration. + */ +static void +bfa_iocfc_cfgrsp(struct bfa_s *bfa) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg; + struct bfi_iocfc_cfg_s *cfginfo = iocfc->cfginfo; + + fwcfg->num_cqs = fwcfg->num_cqs; + fwcfg->num_ioim_reqs = bfa_os_ntohs(fwcfg->num_ioim_reqs); + fwcfg->num_tskim_reqs = bfa_os_ntohs(fwcfg->num_tskim_reqs); + fwcfg->num_fcxp_reqs = bfa_os_ntohs(fwcfg->num_fcxp_reqs); + fwcfg->num_uf_bufs = bfa_os_ntohs(fwcfg->num_uf_bufs); + fwcfg->num_rports = bfa_os_ntohs(fwcfg->num_rports); + + cfginfo->intr_attr.coalesce = cfgrsp->intr_attr.coalesce; + cfginfo->intr_attr.delay = bfa_os_ntohs(cfgrsp->intr_attr.delay); + cfginfo->intr_attr.latency = bfa_os_ntohs(cfgrsp->intr_attr.latency); + + iocfc->cfgdone = BFA_TRUE; + + /** + * Configuration is complete - initialize/start submodules + */ + if (iocfc->action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &iocfc->init_hcb_qe, bfa_iocfc_init_cb, bfa); + else + bfa_iocfc_start_submod(bfa); +} + +static void +bfa_iocfc_stats_clear(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_stats_req_s stats_req; + + bfa_timer_start(bfa, &iocfc->stats_timer, + bfa_iocfc_stats_clr_timeout, bfa, + BFA_IOCFC_TOV); + + bfi_h2i_set(stats_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CLEAR_STATS_REQ, + bfa_lpuid(bfa)); + bfa_ioc_mbox_send(&bfa->ioc, &stats_req, + sizeof(struct bfi_iocfc_stats_req_s)); +} + +static void +bfa_iocfc_stats_swap(struct bfa_fw_stats_s *d, struct bfa_fw_stats_s *s) +{ + u32 *dip = (u32 *) d; + u32 *sip = (u32 *) s; + int i; + + for (i = 0; i < (sizeof(struct bfa_fw_stats_s) / sizeof(u32)); i++) + dip[i] = bfa_os_ntohl(sip[i]); +} + +static void +bfa_iocfc_stats_clr_cb(void *bfa_arg, bfa_boolean_t complete) +{ + struct bfa_s *bfa = bfa_arg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + if (complete) { + bfa_ioc_clr_stats(&bfa->ioc); + iocfc->stats_cbfn(iocfc->stats_cbarg, iocfc->stats_status); + } else { + iocfc->stats_busy = BFA_FALSE; + iocfc->stats_status = BFA_STATUS_OK; + } +} + +static void +bfa_iocfc_stats_clr_timeout(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + bfa_trc(bfa, 0); + + iocfc->stats_status = BFA_STATUS_ETIMER; + bfa_cb_queue(bfa, &iocfc->stats_hcb_qe, bfa_iocfc_stats_clr_cb, bfa); +} + +static void +bfa_iocfc_stats_cb(void *bfa_arg, bfa_boolean_t complete) +{ + struct bfa_s *bfa = bfa_arg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + if (complete) { + if (iocfc->stats_status == BFA_STATUS_OK) { + bfa_os_memset(iocfc->stats_ret, 0, + sizeof(*iocfc->stats_ret)); + bfa_iocfc_stats_swap(&iocfc->stats_ret->fw_stats, + iocfc->fw_stats); + } + iocfc->stats_cbfn(iocfc->stats_cbarg, iocfc->stats_status); + } else { + iocfc->stats_busy = BFA_FALSE; + iocfc->stats_status = BFA_STATUS_OK; + } +} + +static void +bfa_iocfc_stats_timeout(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + bfa_trc(bfa, 0); + + iocfc->stats_status = BFA_STATUS_ETIMER; + bfa_cb_queue(bfa, &iocfc->stats_hcb_qe, bfa_iocfc_stats_cb, bfa); +} + +static void +bfa_iocfc_stats_query(struct bfa_s *bfa) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_stats_req_s stats_req; + + bfa_timer_start(bfa, &iocfc->stats_timer, + bfa_iocfc_stats_timeout, bfa, BFA_IOCFC_TOV); + + bfi_h2i_set(stats_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_GET_STATS_REQ, + bfa_lpuid(bfa)); + bfa_ioc_mbox_send(&bfa->ioc, &stats_req, + sizeof(struct bfi_iocfc_stats_req_s)); +} + +void +bfa_iocfc_reset_queues(struct bfa_s *bfa) +{ + int q; + + for (q = 0; q < BFI_IOC_MAX_CQS; q++) { + bfa_reqq_ci(bfa, q) = 0; + bfa_reqq_pi(bfa, q) = 0; + bfa_rspq_ci(bfa, q) = 0; + bfa_rspq_pi(bfa, q) = 0; + } +} + +/** + * IOC enable request is complete + */ +static void +bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status) +{ + struct bfa_s *bfa = bfa_arg; + + if (status != BFA_STATUS_OK) { + bfa_isr_disable(bfa); + if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, + bfa_iocfc_init_cb, bfa); + return; + } + + bfa_iocfc_initdone_submod(bfa); + bfa_iocfc_send_cfg(bfa); +} + +/** + * IOC disable request is complete + */ +static void +bfa_iocfc_disable_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa_isr_disable(bfa); + bfa_iocfc_disable_submod(bfa); + + if (bfa->iocfc.action == BFA_IOCFC_ACT_STOP) + bfa_cb_queue(bfa, &bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb, + bfa); + else { + bfa_assert(bfa->iocfc.action == BFA_IOCFC_ACT_DISABLE); + bfa_cb_queue(bfa, &bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb, + bfa); + } +} + +/** + * Notify sub-modules of hardware failure. + */ +static void +bfa_iocfc_hbfail_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa->rme_process = BFA_FALSE; + + bfa_isr_disable(bfa); + bfa_iocfc_disable_submod(bfa); + + if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb, + bfa); +} + +/** + * Actions on chip-reset completion. + */ +static void +bfa_iocfc_reset_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa_iocfc_reset_queues(bfa); + bfa_isr_enable(bfa); +} + + + +/** + * bfa_ioc_public + */ + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + /* dma memory for IOC */ + *dm_len += bfa_ioc_meminfo(); + + bfa_iocfc_fw_cfg_sz(cfg, dm_len); + bfa_iocfc_cqs_sz(cfg, dm_len); + *km_len += bfa_ioc_debug_trcsz(bfa_auto_recover); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + int i; + + bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn; + bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn; + bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn; + bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn; + + bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod, + bfa->trcmod, bfa->aen, bfa->logm); + bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_MC_IOCFC); + bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs); + + /** + * Choose FC (ssid: 0x1C) v/s FCoE (ssid: 0x14) mode. + */ + if (0) + bfa_ioc_set_fcmode(&bfa->ioc); + + bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev); + bfa_iocfc_mem_claim(bfa, cfg, meminfo); + bfa_timer_init(&bfa->timer_mod); + + INIT_LIST_HEAD(&bfa->comp_q); + for (i = 0; i < BFI_IOC_MAX_CQS; i++) + INIT_LIST_HEAD(&bfa->reqq_waitq[i]); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_detach(struct bfa_s *bfa) +{ + bfa_ioc_detach(&bfa->ioc); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_init(struct bfa_s *bfa) +{ + bfa->iocfc.action = BFA_IOCFC_ACT_INIT; + bfa_ioc_enable(&bfa->ioc); + bfa_msix_install(bfa); +} + +/** + * IOC start called from bfa_start(). Called to start IOC operations + * at driver instantiation for this instance. + */ +void +bfa_iocfc_start(struct bfa_s *bfa) +{ + if (bfa->iocfc.cfgdone) + bfa_iocfc_start_submod(bfa); +} + +/** + * IOC stop called from bfa_stop(). Called only when driver is unloaded + * for this instance. + */ +void +bfa_iocfc_stop(struct bfa_s *bfa) +{ + bfa->iocfc.action = BFA_IOCFC_ACT_STOP; + + bfa->rme_process = BFA_FALSE; + bfa_ioc_disable(&bfa->ioc); +} + +void +bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m) +{ + struct bfa_s *bfa = bfaarg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + union bfi_iocfc_i2h_msg_u *msg; + + msg = (union bfi_iocfc_i2h_msg_u *) m; + bfa_trc(bfa, msg->mh.msg_id); + + switch (msg->mh.msg_id) { + case BFI_IOCFC_I2H_CFG_REPLY: + iocfc->cfg_reply = &msg->cfg_reply; + bfa_iocfc_cfgrsp(bfa); + break; + + case BFI_IOCFC_I2H_GET_STATS_RSP: + if (iocfc->stats_busy == BFA_FALSE + || iocfc->stats_status == BFA_STATUS_ETIMER) + break; + + bfa_timer_stop(&iocfc->stats_timer); + iocfc->stats_status = BFA_STATUS_OK; + bfa_cb_queue(bfa, &iocfc->stats_hcb_qe, bfa_iocfc_stats_cb, + bfa); + break; + case BFI_IOCFC_I2H_CLEAR_STATS_RSP: + /* + * check for timer pop before processing the rsp + */ + if (iocfc->stats_busy == BFA_FALSE + || iocfc->stats_status == BFA_STATUS_ETIMER) + break; + + bfa_timer_stop(&iocfc->stats_timer); + iocfc->stats_status = BFA_STATUS_OK; + bfa_cb_queue(bfa, &iocfc->stats_hcb_qe, + bfa_iocfc_stats_clr_cb, bfa); + break; + case BFI_IOCFC_I2H_UPDATEQ_RSP: + iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK); + break; + default: + bfa_assert(0); + } +} + +#ifndef BFA_BIOS_BUILD +void +bfa_adapter_get_attr(struct bfa_s *bfa, struct bfa_adapter_attr_s *ad_attr) +{ + bfa_ioc_get_adapter_attr(&bfa->ioc, ad_attr); +} + +u64 +bfa_adapter_get_id(struct bfa_s *bfa) +{ + return bfa_ioc_get_adid(&bfa->ioc); +} + +void +bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + attr->intr_attr = iocfc->cfginfo->intr_attr; + attr->config = iocfc->cfg; +} + +bfa_status_t +bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_set_intr_req_s *m; + + iocfc->cfginfo->intr_attr = *attr; + if (!bfa_iocfc_is_operational(bfa)) + return BFA_STATUS_OK; + + m = bfa_reqq_next(bfa, BFA_REQQ_IOC); + if (!m) + return BFA_STATUS_DEVBUSY; + + bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ, + bfa_lpuid(bfa)); + m->coalesce = attr->coalesce; + m->delay = bfa_os_htons(attr->delay); + m->latency = bfa_os_htons(attr->latency); + + bfa_trc(bfa, attr->delay); + bfa_trc(bfa, attr->latency); + + bfa_reqq_produce(bfa, BFA_REQQ_IOC); + return BFA_STATUS_OK; +} + +void +bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1); + bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase, snsbase_pa); +} + +bfa_status_t +bfa_iocfc_get_stats(struct bfa_s *bfa, struct bfa_iocfc_stats_s *stats, + bfa_cb_ioc_t cbfn, void *cbarg) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + if (iocfc->stats_busy) { + bfa_trc(bfa, iocfc->stats_busy); + return (BFA_STATUS_DEVBUSY); + } + + iocfc->stats_busy = BFA_TRUE; + iocfc->stats_ret = stats; + iocfc->stats_cbfn = cbfn; + iocfc->stats_cbarg = cbarg; + + bfa_iocfc_stats_query(bfa); + + return (BFA_STATUS_OK); +} + +bfa_status_t +bfa_iocfc_clear_stats(struct bfa_s *bfa, bfa_cb_ioc_t cbfn, void *cbarg) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + if (iocfc->stats_busy) { + bfa_trc(bfa, iocfc->stats_busy); + return (BFA_STATUS_DEVBUSY); + } + + iocfc->stats_busy = BFA_TRUE; + iocfc->stats_cbfn = cbfn; + iocfc->stats_cbarg = cbarg; + + bfa_iocfc_stats_clear(bfa); + return (BFA_STATUS_OK); +} + +/** + * Enable IOC after it is disabled. + */ +void +bfa_iocfc_enable(struct bfa_s *bfa) +{ + bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, + "IOC Enable"); + bfa_ioc_enable(&bfa->ioc); +} + +void +bfa_iocfc_disable(struct bfa_s *bfa) +{ + bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, + "IOC Disable"); + bfa->iocfc.action = BFA_IOCFC_ACT_DISABLE; + + bfa->rme_process = BFA_FALSE; + bfa_ioc_disable(&bfa->ioc); +} + + +bfa_boolean_t +bfa_iocfc_is_operational(struct bfa_s *bfa) +{ + return bfa_ioc_is_operational(&bfa->ioc) && bfa->iocfc.cfgdone; +} + +/** + * Return boot target port wwns -- read from boot information in flash. + */ +void +bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t **wwns) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + + *nwwns = cfgrsp->bootwwns.nwwns; + *wwns = cfgrsp->bootwwns.wwn; +} + +#endif + + diff --git a/drivers/scsi/bfa/bfa_iocfc.h b/drivers/scsi/bfa/bfa_iocfc.h new file mode 100644 index 000000000000..7ad177ed4cfc --- /dev/null +++ b/drivers/scsi/bfa/bfa_iocfc.h @@ -0,0 +1,168 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_IOCFC_H__ +#define __BFA_IOCFC_H__ + +#include <bfa_ioc.h> +#include <bfa.h> +#include <bfi/bfi_iocfc.h> +#include <bfa_callback_priv.h> + +#define BFA_REQQ_NELEMS_MIN (4) +#define BFA_RSPQ_NELEMS_MIN (4) + +struct bfa_iocfc_regs_s { + bfa_os_addr_t intr_status; + bfa_os_addr_t intr_mask; + bfa_os_addr_t cpe_q_pi[BFI_IOC_MAX_CQS]; + bfa_os_addr_t cpe_q_ci[BFI_IOC_MAX_CQS]; + bfa_os_addr_t cpe_q_depth[BFI_IOC_MAX_CQS]; + bfa_os_addr_t cpe_q_ctrl[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_ci[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_pi[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_depth[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_ctrl[BFI_IOC_MAX_CQS]; +}; + +/** + * MSIX vector handlers + */ +#define BFA_MSIX_MAX_VECTORS 22 +typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec); +struct bfa_msix_s { + int nvecs; + bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS]; +}; + +/** + * Chip specific interfaces + */ +struct bfa_hwif_s { + void (*hw_reginit)(struct bfa_s *bfa); + void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq); + void (*hw_msix_init)(struct bfa_s *bfa, int nvecs); + void (*hw_msix_install)(struct bfa_s *bfa); + void (*hw_msix_uninstall)(struct bfa_s *bfa); + void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix); + void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap, + u32 *nvecs, u32 *maxvec); +}; +typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status); + +struct bfa_iocfc_s { + struct bfa_s *bfa; + struct bfa_iocfc_cfg_s cfg; + int action; + + u32 req_cq_pi[BFI_IOC_MAX_CQS]; + u32 rsp_cq_ci[BFI_IOC_MAX_CQS]; + + struct bfa_cb_qe_s init_hcb_qe; + struct bfa_cb_qe_s stop_hcb_qe; + struct bfa_cb_qe_s dis_hcb_qe; + struct bfa_cb_qe_s stats_hcb_qe; + bfa_boolean_t cfgdone; + + struct bfa_dma_s cfg_info; + struct bfi_iocfc_cfg_s *cfginfo; + struct bfa_dma_s cfgrsp_dma; + struct bfi_iocfc_cfgrsp_s *cfgrsp; + struct bfi_iocfc_cfg_reply_s *cfg_reply; + + u8 *stats_kva; + u64 stats_pa; + struct bfa_fw_stats_s *fw_stats; + struct bfa_timer_s stats_timer; /* timer */ + struct bfa_iocfc_stats_s *stats_ret; /* driver stats location */ + bfa_status_t stats_status; /* stats/statsclr status */ + bfa_boolean_t stats_busy; /* outstanding stats */ + bfa_cb_ioc_t stats_cbfn; /* driver callback function */ + void *stats_cbarg; /* user callback arg */ + + struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS]; + struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS]; + struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS]; + struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS]; + struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */ + struct bfa_hwif_s hwif; + + bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */ + void *updateq_cbarg; /* bios callback arg */ +}; + +#define bfa_lpuid(__bfa) bfa_ioc_portid(&(__bfa)->ioc) +#define bfa_msix_init(__bfa, __nvecs) \ + (__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs) +#define bfa_msix_install(__bfa) \ + (__bfa)->iocfc.hwif.hw_msix_install(__bfa) +#define bfa_msix_uninstall(__bfa) \ + (__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa) +#define bfa_isr_mode_set(__bfa, __msix) \ + (__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix) +#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \ + (__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) + +/* + * FC specific IOC functions. + */ +void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len); +void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, + struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, + struct bfa_pcidev_s *pcidev); +void bfa_iocfc_detach(struct bfa_s *bfa); +void bfa_iocfc_init(struct bfa_s *bfa); +void bfa_iocfc_start(struct bfa_s *bfa); +void bfa_iocfc_stop(struct bfa_s *bfa); +void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg); +void bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa); +bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa); +void bfa_iocfc_reset_queues(struct bfa_s *bfa); +void bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba, + u32 reqq_sci, u32 rspq_spi, + bfa_cb_iocfc_t cbfn, void *cbarg); + +void bfa_msix_all(struct bfa_s *bfa, int vec); +void bfa_msix_reqq(struct bfa_s *bfa, int vec); +void bfa_msix_rspq(struct bfa_s *bfa, int vec); +void bfa_msix_lpu_err(struct bfa_s *bfa, int vec); + +void bfa_hwcb_reginit(struct bfa_s *bfa); +void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq); +void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs); +void bfa_hwcb_msix_install(struct bfa_s *bfa); +void bfa_hwcb_msix_uninstall(struct bfa_s *bfa); +void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix); +void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, + u32 *nvecs, u32 *maxvec); +void bfa_hwct_reginit(struct bfa_s *bfa); +void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq); +void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs); +void bfa_hwct_msix_install(struct bfa_s *bfa); +void bfa_hwct_msix_uninstall(struct bfa_s *bfa); +void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix); +void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, + u32 *nvecs, u32 *maxvec); + +void bfa_com_meminfo(bfa_boolean_t mincfg, u32 *dm_len); +void bfa_com_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi, + bfa_boolean_t mincfg); +void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t **wwns); + +#endif /* __BFA_IOCFC_H__ */ + diff --git a/drivers/scsi/bfa/bfa_iocfc_q.c b/drivers/scsi/bfa/bfa_iocfc_q.c new file mode 100644 index 000000000000..500a17df40b2 --- /dev/null +++ b/drivers/scsi/bfa/bfa_iocfc_q.c @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include "bfa_intr_priv.h" + +BFA_TRC_FILE(HAL, IOCFC_Q); + +void +bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba, + u32 reqq_sci, u32 rspq_spi, bfa_cb_iocfc_t cbfn, + void *cbarg) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_updateq_req_s updateq_req; + + iocfc->updateq_cbfn = cbfn; + iocfc->updateq_cbarg = cbarg; + + bfi_h2i_set(updateq_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_UPDATEQ_REQ, + bfa_lpuid(bfa)); + + updateq_req.reqq_ba = bfa_os_htonl(reqq_ba); + updateq_req.rspq_ba = bfa_os_htonl(rspq_ba); + updateq_req.reqq_sci = bfa_os_htonl(reqq_sci); + updateq_req.rspq_spi = bfa_os_htonl(rspq_spi); + + bfa_ioc_mbox_send(&bfa->ioc, &updateq_req, + sizeof(struct bfi_iocfc_updateq_req_s)); +} diff --git a/drivers/scsi/bfa/bfa_ioim.c b/drivers/scsi/bfa/bfa_ioim.c new file mode 100644 index 000000000000..7ae2552e1e14 --- /dev/null +++ b/drivers/scsi/bfa/bfa_ioim.c @@ -0,0 +1,1311 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <cs/bfa_debug.h> +#include <bfa_cb_ioim_macros.h> + +BFA_TRC_FILE(HAL, IOIM); + +/* + * forward declarations. + */ +static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); +static bfa_boolean_t bfa_ioim_sge_setup(struct bfa_ioim_s *ioim); +static void bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim); +static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); +static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); +static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); + +/** + * bfa_ioim_sm + */ + +/** + * IO state machine events + */ +enum bfa_ioim_event { + BFA_IOIM_SM_START = 1, /* io start request from host */ + BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ + BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ + BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ + BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ + BFA_IOIM_SM_FREE = 6, /* io resource is freed */ + BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ + BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ + BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ + BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ + BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ + BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ + BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ + BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ + BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ + BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ + BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ + BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ +}; + +/* + * forward declaration of IO state machine + */ +static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); + +/** + * IO is not started (unallocated). + */ +static void +bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_trc_fp(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_START: + if (!bfa_itnim_is_online(ioim->itnim)) { + if (!bfa_itnim_hold_io(ioim->itnim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + list_del(&ioim->qe); + list_add_tail(&ioim->qe, + &ioim->fcpim->ioim_comp_q); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_pathtov, ioim); + } else { + list_del(&ioim->qe); + list_add_tail(&ioim->qe, + &ioim->itnim->pending_q); + } + break; + } + + if (ioim->nsges > BFI_SGE_INLINE) { + if (!bfa_ioim_sge_setup(ioim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); + return; + } + } + + if (!bfa_ioim_send_ioreq(ioim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); + break; + } + + bfa_sm_set_state(ioim, bfa_ioim_sm_active); + break; + + case BFA_IOIM_SM_IOTOV: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_pathtov, ioim); + break; + + case BFA_IOIM_SM_ABORT: + /** + * IO in pending queue can get abort requests. Complete abort + * requests immediately. + */ + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_assert(bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + default: + bfa_assert(0); + } +} + +/** + * IO is waiting for SG pages. + */ +static void +bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_SGALLOCED: + if (!bfa_ioim_send_ioreq(ioim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); + break; + } + bfa_sm_set_state(ioim, bfa_ioim_sm_active); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_ABORT: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_assert(0); + } +} + +/** + * IO is active. + */ +static void +bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_trc_fp(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_COMP_GOOD: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_good_comp, ioim); + break; + + case BFA_IOIM_SM_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, + ioim); + break; + + case BFA_IOIM_SM_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, + ioim); + break; + + case BFA_IOIM_SM_ABORT: + ioim->iosp->abort_explicit = BFA_TRUE; + ioim->io_cbfn = __bfa_cb_ioim_abort; + + if (bfa_ioim_send_abort(ioim)) + bfa_sm_set_state(ioim, bfa_ioim_sm_abort); + else { + bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); + bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq, + &ioim->iosp->reqq_wait); + } + break; + + case BFA_IOIM_SM_CLEANUP: + ioim->iosp->abort_explicit = BFA_FALSE; + ioim->io_cbfn = __bfa_cb_ioim_failed; + + if (bfa_ioim_send_abort(ioim)) + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); + else { + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); + bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq, + &ioim->iosp->reqq_wait); + } + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_assert(0); + } +} + +/** + * IO is being aborted, waiting for completion from firmware. + */ +static void +bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + case BFA_IOIM_SM_DONE: + case BFA_IOIM_SM_FREE: + break; + + case BFA_IOIM_SM_ABORT_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_ABORT_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_COMP_UTAG: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_assert(ioim->iosp->abort_explicit == BFA_TRUE); + ioim->iosp->abort_explicit = BFA_FALSE; + + if (bfa_ioim_send_abort(ioim)) + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); + else { + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); + bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq, + &ioim->iosp->reqq_wait); + } + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_assert(0); + } +} + +/** + * IO is being cleaned up (implicit abort), waiting for completion from + * firmware. + */ +static void +bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + case BFA_IOIM_SM_DONE: + case BFA_IOIM_SM_FREE: + break; + + case BFA_IOIM_SM_ABORT: + /** + * IO is already being aborted implicitly + */ + ioim->io_cbfn = __bfa_cb_ioim_abort; + break; + + case BFA_IOIM_SM_ABORT_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_ABORT_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_COMP_UTAG: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + /** + * IO can be in cleanup state already due to TM command. 2nd cleanup + * request comes from ITN offline event. + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * IO is waiting for room in request CQ + */ +static void +bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_QRESUME: + bfa_sm_set_state(ioim, bfa_ioim_sm_active); + bfa_ioim_send_ioreq(ioim); + break; + + case BFA_IOIM_SM_ABORT: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Active IO is being aborted, waiting for room in request CQ. + */ +static void +bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_QRESUME: + bfa_sm_set_state(ioim, bfa_ioim_sm_abort); + bfa_ioim_send_abort(ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_assert(ioim->iosp->abort_explicit == BFA_TRUE); + ioim->iosp->abort_explicit = BFA_FALSE; + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); + break; + + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Active IO is being cleaned up, waiting for room in request CQ. + */ +static void +bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_QRESUME: + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); + bfa_ioim_send_abort(ioim); + break; + + case BFA_IOIM_SM_ABORT: + /** + * IO is alraedy being cleaned up implicitly + */ + ioim->io_cbfn = __bfa_cb_ioim_abort; + break; + + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_assert(0); + } +} + +/** + * IO bfa callback is pending. + */ +static void +bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_trc_fp(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_HCB: + bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); + bfa_ioim_free(ioim); + bfa_cb_ioim_resfree(ioim->bfa->bfad); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + break; + + default: + bfa_assert(0); + } +} + +/** + * IO bfa callback is pending. IO resource cannot be freed. + */ +static void +bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_HCB: + bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); + break; + + case BFA_IOIM_SM_FREE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + break; + + default: + bfa_assert(0); + } +} + +/** + * IO is completed, waiting resource free from firmware. + */ +static void +bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_FREE: + bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); + bfa_ioim_free(ioim); + bfa_cb_ioim_resfree(ioim->bfa->bfad); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + break; + + default: + bfa_assert(0); + } +} + + + +/** + * bfa_ioim_private + */ + +static void +__bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); +} + +static void +__bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + struct bfi_ioim_rsp_s *m; + u8 *snsinfo = NULL; + u8 sns_len = 0; + s32 residue = 0; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; + if (m->io_status == BFI_IOIM_STS_OK) { + /** + * setup sense information, if present + */ + if (m->scsi_status == SCSI_STATUS_CHECK_CONDITION + && m->sns_len) { + sns_len = m->sns_len; + snsinfo = ioim->iosp->snsinfo; + } + + /** + * setup residue value correctly for normal completions + */ + if (m->resid_flags == FCP_RESID_UNDER) + residue = bfa_os_ntohl(m->residue); + if (m->resid_flags == FCP_RESID_OVER) { + residue = bfa_os_ntohl(m->residue); + residue = -residue; + } + } + + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, + m->scsi_status, sns_len, snsinfo, residue); +} + +static void +__bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, + 0, 0, NULL, 0); +} + +static void +__bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, + 0, 0, NULL, 0); +} + +static void +__bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); +} + +static void +bfa_ioim_sgpg_alloced(void *cbarg) +{ + struct bfa_ioim_s *ioim = cbarg; + + ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); + list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); + bfa_ioim_sgpg_setup(ioim); + bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); +} + +/** + * Send I/O request to firmware. + */ +static bfa_boolean_t +bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) +{ + struct bfa_itnim_s *itnim = ioim->itnim; + struct bfi_ioim_req_s *m; + static struct fcp_cmnd_s cmnd_z0 = { 0 }; + struct bfi_sge_s *sge; + u32 pgdlen = 0; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(ioim->bfa, itnim->reqq); + if (!m) { + bfa_reqq_wait(ioim->bfa, ioim->itnim->reqq, + &ioim->iosp->reqq_wait); + return BFA_FALSE; + } + + /** + * build i/o request message next + */ + m->io_tag = bfa_os_htons(ioim->iotag); + m->rport_hdl = ioim->itnim->rport->fw_handle; + m->io_timeout = bfa_cb_ioim_get_timeout(ioim->dio); + + /** + * build inline IO SG element here + */ + sge = &m->sges[0]; + if (ioim->nsges) { + sge->sga = bfa_cb_ioim_get_sgaddr(ioim->dio, 0); + pgdlen = bfa_cb_ioim_get_sglen(ioim->dio, 0); + sge->sg_len = pgdlen; + sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? + BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; + bfa_sge_to_be(sge); + sge++; + } + + if (ioim->nsges > BFI_SGE_INLINE) { + sge->sga = ioim->sgpg->sgpg_pa; + } else { + sge->sga.a32.addr_lo = 0; + sge->sga.a32.addr_hi = 0; + } + sge->sg_len = pgdlen; + sge->flags = BFI_SGE_PGDLEN; + bfa_sge_to_be(sge); + + /** + * set up I/O command parameters + */ + bfa_os_assign(m->cmnd, cmnd_z0); + m->cmnd.lun = bfa_cb_ioim_get_lun(ioim->dio); + m->cmnd.iodir = bfa_cb_ioim_get_iodir(ioim->dio); + bfa_os_assign(m->cmnd.cdb, + *(struct scsi_cdb_s *)bfa_cb_ioim_get_cdb(ioim->dio)); + m->cmnd.fcp_dl = bfa_os_htonl(bfa_cb_ioim_get_size(ioim->dio)); + + /** + * set up I/O message header + */ + switch (m->cmnd.iodir) { + case FCP_IODIR_READ: + bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_lpuid(ioim->bfa)); + bfa_stats(itnim, input_reqs); + break; + case FCP_IODIR_WRITE: + bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_lpuid(ioim->bfa)); + bfa_stats(itnim, output_reqs); + break; + case FCP_IODIR_RW: + bfa_stats(itnim, input_reqs); + bfa_stats(itnim, output_reqs); + default: + bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa)); + } + if (itnim->seq_rec || + (bfa_cb_ioim_get_size(ioim->dio) & (sizeof(u32) - 1))) + bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa)); + +#ifdef IOIM_ADVANCED + m->cmnd.crn = bfa_cb_ioim_get_crn(ioim->dio); + m->cmnd.priority = bfa_cb_ioim_get_priority(ioim->dio); + m->cmnd.taskattr = bfa_cb_ioim_get_taskattr(ioim->dio); + + /** + * Handle large CDB (>16 bytes). + */ + m->cmnd.addl_cdb_len = (bfa_cb_ioim_get_cdblen(ioim->dio) - + FCP_CMND_CDB_LEN) / sizeof(u32); + if (m->cmnd.addl_cdb_len) { + bfa_os_memcpy(&m->cmnd.cdb + 1, (struct scsi_cdb_s *) + bfa_cb_ioim_get_cdb(ioim->dio) + 1, + m->cmnd.addl_cdb_len * sizeof(u32)); + fcp_cmnd_fcpdl(&m->cmnd) = + bfa_os_htonl(bfa_cb_ioim_get_size(ioim->dio)); + } +#endif + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(ioim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Setup any additional SG pages needed.Inline SG element is setup + * at queuing time. + */ +static bfa_boolean_t +bfa_ioim_sge_setup(struct bfa_ioim_s *ioim) +{ + u16 nsgpgs; + + bfa_assert(ioim->nsges > BFI_SGE_INLINE); + + /** + * allocate SG pages needed + */ + nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); + if (!nsgpgs) + return BFA_TRUE; + + if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) + != BFA_STATUS_OK) { + bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); + return BFA_FALSE; + } + + ioim->nsgpgs = nsgpgs; + bfa_ioim_sgpg_setup(ioim); + + return BFA_TRUE; +} + +static void +bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim) +{ + int sgeid, nsges, i; + struct bfi_sge_s *sge; + struct bfa_sgpg_s *sgpg; + u32 pgcumsz; + + sgeid = BFI_SGE_INLINE; + ioim->sgpg = sgpg = bfa_q_first(&ioim->sgpg_q); + + do { + sge = sgpg->sgpg->sges; + nsges = ioim->nsges - sgeid; + if (nsges > BFI_SGPG_DATA_SGES) + nsges = BFI_SGPG_DATA_SGES; + + pgcumsz = 0; + for (i = 0; i < nsges; i++, sge++, sgeid++) { + sge->sga = bfa_cb_ioim_get_sgaddr(ioim->dio, sgeid); + sge->sg_len = bfa_cb_ioim_get_sglen(ioim->dio, sgeid); + pgcumsz += sge->sg_len; + + /** + * set flags + */ + if (i < (nsges - 1)) + sge->flags = BFI_SGE_DATA; + else if (sgeid < (ioim->nsges - 1)) + sge->flags = BFI_SGE_DATA_CPL; + else + sge->flags = BFI_SGE_DATA_LAST; + } + + sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); + + /** + * set the link element of each page + */ + if (sgeid == ioim->nsges) { + sge->flags = BFI_SGE_PGDLEN; + sge->sga.a32.addr_lo = 0; + sge->sga.a32.addr_hi = 0; + } else { + sge->flags = BFI_SGE_LINK; + sge->sga = sgpg->sgpg_pa; + } + sge->sg_len = pgcumsz; + } while (sgeid < ioim->nsges); +} + +/** + * Send I/O abort request to firmware. + */ +static bfa_boolean_t +bfa_ioim_send_abort(struct bfa_ioim_s *ioim) +{ + struct bfa_itnim_s *itnim = ioim->itnim; + struct bfi_ioim_abort_req_s *m; + enum bfi_ioim_h2i msgop; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(ioim->bfa, itnim->reqq); + if (!m) + return BFA_FALSE; + + /** + * build i/o request message next + */ + if (ioim->iosp->abort_explicit) + msgop = BFI_IOIM_H2I_IOABORT_REQ; + else + msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; + + bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_lpuid(ioim->bfa)); + m->io_tag = bfa_os_htons(ioim->iotag); + m->abort_tag = ++ioim->abort_tag; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(ioim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Call to resume any I/O requests waiting for room in request queue. + */ +static void +bfa_ioim_qresume(void *cbarg) +{ + struct bfa_ioim_s *ioim = cbarg; + + bfa_fcpim_stats(ioim->fcpim, qresumes); + bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); +} + + +static void +bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) +{ + /** + * Move IO from itnim queue to fcpim global queue since itnim will be + * freed. + */ + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); + + if (!ioim->iosp->tskim) { + if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { + bfa_cb_dequeue(&ioim->hcb_qe); + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); + } + bfa_itnim_iodone(ioim->itnim); + } else + bfa_tskim_iodone(ioim->iosp->tskim); +} + +/** + * or after the link comes back. + */ +void +bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) +{ + /** + * If path tov timer expired, failback with PATHTOV status - these + * IO requests are not normally retried by IO stack. + * + * Otherwise device cameback online and fail it with normal failed + * status so that IO stack retries these failed IO requests. + */ + if (iotov) + ioim->io_cbfn = __bfa_cb_ioim_pathtov; + else + ioim->io_cbfn = __bfa_cb_ioim_failed; + + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + + /** + * Move IO to fcpim global queue since itnim will be + * freed. + */ + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); +} + + + +/** + * bfa_ioim_friend + */ + +/** + * Memory allocation and initialization. + */ +void +bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) +{ + struct bfa_ioim_s *ioim; + struct bfa_ioim_sp_s *iosp; + u16 i; + u8 *snsinfo; + u32 snsbufsz; + + /** + * claim memory first + */ + ioim = (struct bfa_ioim_s *) bfa_meminfo_kva(minfo); + fcpim->ioim_arr = ioim; + bfa_meminfo_kva(minfo) = (u8 *) (ioim + fcpim->num_ioim_reqs); + + iosp = (struct bfa_ioim_sp_s *) bfa_meminfo_kva(minfo); + fcpim->ioim_sp_arr = iosp; + bfa_meminfo_kva(minfo) = (u8 *) (iosp + fcpim->num_ioim_reqs); + + /** + * Claim DMA memory for per IO sense data. + */ + snsbufsz = fcpim->num_ioim_reqs * BFI_IOIM_SNSLEN; + fcpim->snsbase.pa = bfa_meminfo_dma_phys(minfo); + bfa_meminfo_dma_phys(minfo) += snsbufsz; + + fcpim->snsbase.kva = bfa_meminfo_dma_virt(minfo); + bfa_meminfo_dma_virt(minfo) += snsbufsz; + snsinfo = fcpim->snsbase.kva; + bfa_iocfc_set_snsbase(fcpim->bfa, fcpim->snsbase.pa); + + /** + * Initialize ioim free queues + */ + INIT_LIST_HEAD(&fcpim->ioim_free_q); + INIT_LIST_HEAD(&fcpim->ioim_resfree_q); + INIT_LIST_HEAD(&fcpim->ioim_comp_q); + + for (i = 0; i < fcpim->num_ioim_reqs; + i++, ioim++, iosp++, snsinfo += BFI_IOIM_SNSLEN) { + /* + * initialize IOIM + */ + bfa_os_memset(ioim, 0, sizeof(struct bfa_ioim_s)); + ioim->iotag = i; + ioim->bfa = fcpim->bfa; + ioim->fcpim = fcpim; + ioim->iosp = iosp; + iosp->snsinfo = snsinfo; + INIT_LIST_HEAD(&ioim->sgpg_q); + bfa_reqq_winit(&ioim->iosp->reqq_wait, + bfa_ioim_qresume, ioim); + bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, + bfa_ioim_sgpg_alloced, ioim); + bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); + + list_add_tail(&ioim->qe, &fcpim->ioim_free_q); + } +} + +/** + * Driver detach time call. + */ +void +bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim) +{ +} + +void +bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; + struct bfa_ioim_s *ioim; + u16 iotag; + enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; + + iotag = bfa_os_ntohs(rsp->io_tag); + + ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); + bfa_assert(ioim->iotag == iotag); + + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, rsp->io_status); + bfa_trc(ioim->bfa, rsp->reuse_io_tag); + + if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) + bfa_os_assign(ioim->iosp->comp_rspmsg, *m); + + switch (rsp->io_status) { + case BFI_IOIM_STS_OK: + bfa_fcpim_stats(fcpim, iocomp_ok); + if (rsp->reuse_io_tag == 0) + evt = BFA_IOIM_SM_DONE; + else + evt = BFA_IOIM_SM_COMP; + break; + + case BFI_IOIM_STS_TIMEDOUT: + case BFI_IOIM_STS_ABORTED: + rsp->io_status = BFI_IOIM_STS_ABORTED; + bfa_fcpim_stats(fcpim, iocomp_aborted); + if (rsp->reuse_io_tag == 0) + evt = BFA_IOIM_SM_DONE; + else + evt = BFA_IOIM_SM_COMP; + break; + + case BFI_IOIM_STS_PROTO_ERR: + bfa_fcpim_stats(fcpim, iocom_proto_err); + bfa_assert(rsp->reuse_io_tag); + evt = BFA_IOIM_SM_COMP; + break; + + case BFI_IOIM_STS_SQER_NEEDED: + bfa_fcpim_stats(fcpim, iocom_sqer_needed); + bfa_assert(rsp->reuse_io_tag == 0); + evt = BFA_IOIM_SM_SQRETRY; + break; + + case BFI_IOIM_STS_RES_FREE: + bfa_fcpim_stats(fcpim, iocom_res_free); + evt = BFA_IOIM_SM_FREE; + break; + + case BFI_IOIM_STS_HOST_ABORTED: + bfa_fcpim_stats(fcpim, iocom_hostabrts); + if (rsp->abort_tag != ioim->abort_tag) { + bfa_trc(ioim->bfa, rsp->abort_tag); + bfa_trc(ioim->bfa, ioim->abort_tag); + return; + } + + if (rsp->reuse_io_tag) + evt = BFA_IOIM_SM_ABORT_COMP; + else + evt = BFA_IOIM_SM_ABORT_DONE; + break; + + case BFI_IOIM_STS_UTAG: + bfa_fcpim_stats(fcpim, iocom_utags); + evt = BFA_IOIM_SM_COMP_UTAG; + break; + + default: + bfa_assert(0); + } + + bfa_sm_send_event(ioim, evt); +} + +void +bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; + struct bfa_ioim_s *ioim; + u16 iotag; + + iotag = bfa_os_ntohs(rsp->io_tag); + + ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); + bfa_assert(ioim->iotag == iotag); + + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); +} + +/** + * Called by itnim to clean up IO while going offline. + */ +void +bfa_ioim_cleanup(struct bfa_ioim_s *ioim) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_fcpim_stats(ioim->fcpim, io_cleanups); + + ioim->iosp->tskim = NULL; + bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); +} + +void +bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_fcpim_stats(ioim->fcpim, io_tmaborts); + + ioim->iosp->tskim = tskim; + bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); +} + +/** + * IOC failure handling. + */ +void +bfa_ioim_iocdisable(struct bfa_ioim_s *ioim) +{ + bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL); +} + +/** + * IO offline TOV popped. Fail the pending IO. + */ +void +bfa_ioim_tov(struct bfa_ioim_s *ioim) +{ + bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV); +} + + + +/** + * bfa_ioim_api + */ + +/** + * Allocate IOIM resource for initiator mode I/O request. + */ +struct bfa_ioim_s * +bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, + struct bfa_itnim_s *itnim, u16 nsges) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_ioim_s *ioim; + + /** + * alocate IOIM resource + */ + bfa_q_deq(&fcpim->ioim_free_q, &ioim); + if (!ioim) { + bfa_fcpim_stats(fcpim, no_iotags); + return NULL; + } + + ioim->dio = dio; + ioim->itnim = itnim; + ioim->nsges = nsges; + ioim->nsgpgs = 0; + + bfa_stats(fcpim, total_ios); + bfa_stats(itnim, ios); + fcpim->ios_active++; + + list_add_tail(&ioim->qe, &itnim->io_q); + bfa_trc_fp(ioim->bfa, ioim->iotag); + + return ioim; +} + +void +bfa_ioim_free(struct bfa_ioim_s *ioim) +{ + struct bfa_fcpim_mod_s *fcpim = ioim->fcpim; + + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_assert_fp(bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit)); + + bfa_assert_fp(list_empty(&ioim->sgpg_q) + || (ioim->nsges > BFI_SGE_INLINE)); + + if (ioim->nsgpgs > 0) + bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs); + + bfa_stats(ioim->itnim, io_comps); + fcpim->ios_active--; + + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &fcpim->ioim_free_q); +} + +void +bfa_ioim_start(struct bfa_ioim_s *ioim) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_sm_send_event(ioim, BFA_IOIM_SM_START); +} + +/** + * Driver I/O abort request. + */ +void +bfa_ioim_abort(struct bfa_ioim_s *ioim) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_fcpim_stats(ioim->fcpim, io_aborts); + bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT); +} + + diff --git a/drivers/scsi/bfa/bfa_itnim.c b/drivers/scsi/bfa/bfa_itnim.c new file mode 100644 index 000000000000..4d5c61a4f85c --- /dev/null +++ b/drivers/scsi/bfa/bfa_itnim.c @@ -0,0 +1,1088 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfa_fcpim.h> +#include "bfa_fcpim_priv.h" + +BFA_TRC_FILE(HAL, ITNIM); + +#define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ + ((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1))) + +#define bfa_fcpim_additn(__itnim) \ + list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) +#define bfa_fcpim_delitn(__itnim) do { \ + bfa_assert(bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ + list_del(&(__itnim)->qe); \ + bfa_assert(list_empty(&(__itnim)->io_q)); \ + bfa_assert(list_empty(&(__itnim)->io_cleanup_q)); \ + bfa_assert(list_empty(&(__itnim)->pending_q)); \ +} while (0) + +#define bfa_itnim_online_cb(__itnim) do { \ + if ((__itnim)->bfa->fcs) \ + bfa_cb_itnim_online((__itnim)->ditn); \ + else { \ + bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ + __bfa_cb_itnim_online, (__itnim)); \ + } \ +} while (0) + +#define bfa_itnim_offline_cb(__itnim) do { \ + if ((__itnim)->bfa->fcs) \ + bfa_cb_itnim_offline((__itnim)->ditn); \ + else { \ + bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ + __bfa_cb_itnim_offline, (__itnim)); \ + } \ +} while (0) + +#define bfa_itnim_sler_cb(__itnim) do { \ + if ((__itnim)->bfa->fcs) \ + bfa_cb_itnim_sler((__itnim)->ditn); \ + else { \ + bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ + __bfa_cb_itnim_sler, (__itnim)); \ + } \ +} while (0) + +/* + * forward declarations + */ +static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); +static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); +static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); +static void bfa_itnim_cleanp_comp(void *itnim_cbarg); +static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); +static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); +static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov(void *itnim_arg); +static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); + +/** + * bfa_itnim_sm BFA itnim state machine + */ + + +enum bfa_itnim_event { + BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ + BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ + BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ + BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ + BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ + BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ + BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ + BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ + BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ +}; + +static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); + +/** + * Beginning/unallocated state - no events expected. + */ +static void +bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_CREATE: + bfa_sm_set_state(itnim, bfa_itnim_sm_created); + itnim->is_online = BFA_FALSE; + bfa_fcpim_additn(itnim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Beginning state, only online event expected. + */ +static void +bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_ONLINE: + if (bfa_itnim_send_fwcreate(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + break; + + default: + bfa_assert(0); + } +} + +/** + * Waiting for itnim create response from firmware. + */ +static void +bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + bfa_sm_set_state(itnim, bfa_itnim_sm_online); + itnim->is_online = BFA_TRUE; + bfa_itnim_iotov_online(itnim); + bfa_itnim_online_cb(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); + break; + + case BFA_ITNIM_SM_OFFLINE: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_QRESUME: + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + bfa_itnim_send_fwcreate(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_itnim_sm_offline); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_reqq_wcancel(&itnim->reqq_wait); + break; + + default: + bfa_assert(0); + } +} + +/** + * Waiting for itnim create response from firmware, a delete is pending. + */ +static void +bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_fcpim_delitn(itnim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Online state - normal parking state. + */ +static void +bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); + itnim->is_online = BFA_FALSE; + bfa_itnim_iotov_start(itnim); + bfa_itnim_cleanup(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); + itnim->is_online = BFA_FALSE; + bfa_itnim_cleanup(itnim); + break; + + case BFA_ITNIM_SM_SLER: + bfa_sm_set_state(itnim, bfa_itnim_sm_sler); + itnim->is_online = BFA_FALSE; + bfa_itnim_iotov_start(itnim); + bfa_itnim_sler_cb(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + itnim->is_online = BFA_FALSE; + bfa_itnim_iotov_start(itnim); + bfa_itnim_iocdisable_cleanup(itnim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Second level error recovery need. + */ +static void +bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); + bfa_itnim_cleanup(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); + bfa_itnim_cleanup(itnim); + bfa_itnim_iotov_delete(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_iocdisable_cleanup(itnim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Going offline. Waiting for active IO cleanup. + */ +static void +bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_CLEANUP: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); + bfa_itnim_iotov_delete(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_iocdisable_cleanup(itnim); + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_SLER: + break; + + default: + bfa_assert(0); + } +} + +/** + * Deleting itnim. Waiting for active IO cleanup. + */ +static void +bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_CLEANUP: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_iocdisable_cleanup(itnim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport offline. Fimrware itnim is being deleted - awaiting f/w response. + */ +static void +bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + bfa_sm_set_state(itnim, bfa_itnim_sm_offline); + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_offline_cb(itnim); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_QRESUME: + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); + bfa_itnim_send_fwdelete(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_itnim_offline_cb(itnim); + break; + + default: + bfa_assert(0); + } +} + +/** + * Offline state. + */ +static void +bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_itnim_iotov_delete(itnim); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_ONLINE: + if (bfa_itnim_send_fwcreate(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + break; + + default: + bfa_assert(0); + } +} + +/** + * IOC h/w failed state. + */ +static void +bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_itnim_iotov_delete(itnim); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_OFFLINE: + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_ONLINE: + if (bfa_itnim_send_fwcreate(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + break; + + default: + bfa_assert(0); + } +} + +/** + * Itnim is deleted, waiting for firmware response to delete. + */ +static void +bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_fcpim_delitn(itnim); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_QRESUME: + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + bfa_itnim_send_fwdelete(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_fcpim_delitn(itnim); + break; + + default: + bfa_assert(0); + } +} + + + +/** + * bfa_itnim_private + */ + +/** + * Initiate cleanup of all IOs on an IOC failure. + */ +static void +bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) +{ + struct bfa_tskim_s *tskim; + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &itnim->tsk_q) { + tskim = (struct bfa_tskim_s *) qe; + bfa_tskim_iocdisable(tskim); + } + + list_for_each_safe(qe, qen, &itnim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_iocdisable(ioim); + } + + /** + * For IO request in pending queue, we pretend an early timeout. + */ + list_for_each_safe(qe, qen, &itnim->pending_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_tov(ioim); + } + + list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_iocdisable(ioim); + } +} + +/** + * IO cleanup completion + */ +static void +bfa_itnim_cleanp_comp(void *itnim_cbarg) +{ + struct bfa_itnim_s *itnim = itnim_cbarg; + + bfa_stats(itnim, cleanup_comps); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); +} + +/** + * Initiate cleanup of all IOs. + */ +static void +bfa_itnim_cleanup(struct bfa_itnim_s *itnim) +{ + struct bfa_ioim_s *ioim; + struct bfa_tskim_s *tskim; + struct list_head *qe, *qen; + + bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); + + list_for_each_safe(qe, qen, &itnim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + + /** + * Move IO to a cleanup queue from active queue so that a later + * TM will not pickup this IO. + */ + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &itnim->io_cleanup_q); + + bfa_wc_up(&itnim->wc); + bfa_ioim_cleanup(ioim); + } + + list_for_each_safe(qe, qen, &itnim->tsk_q) { + tskim = (struct bfa_tskim_s *) qe; + bfa_wc_up(&itnim->wc); + bfa_tskim_cleanup(tskim); + } + + bfa_wc_wait(&itnim->wc); +} + +static void +__bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_itnim_s *itnim = cbarg; + + if (complete) + bfa_cb_itnim_online(itnim->ditn); +} + +static void +__bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_itnim_s *itnim = cbarg; + + if (complete) + bfa_cb_itnim_offline(itnim->ditn); +} + +static void +__bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_itnim_s *itnim = cbarg; + + if (complete) + bfa_cb_itnim_sler(itnim->ditn); +} + +/** + * Call to resume any I/O requests waiting for room in request queue. + */ +static void +bfa_itnim_qresume(void *cbarg) +{ + struct bfa_itnim_s *itnim = cbarg; + + bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); +} + + + + +/** + * bfa_itnim_public + */ + +void +bfa_itnim_iodone(struct bfa_itnim_s *itnim) +{ + bfa_wc_down(&itnim->wc); +} + +void +bfa_itnim_tskdone(struct bfa_itnim_s *itnim) +{ + bfa_wc_down(&itnim->wc); +} + +void +bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + /** + * ITN memory + */ + *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); +} + +void +bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) +{ + struct bfa_s *bfa = fcpim->bfa; + struct bfa_itnim_s *itnim; + int i; + + INIT_LIST_HEAD(&fcpim->itnim_q); + + itnim = (struct bfa_itnim_s *) bfa_meminfo_kva(minfo); + fcpim->itnim_arr = itnim; + + for (i = 0; i < fcpim->num_itnims; i++, itnim++) { + bfa_os_memset(itnim, 0, sizeof(struct bfa_itnim_s)); + itnim->bfa = bfa; + itnim->fcpim = fcpim; + itnim->reqq = BFA_REQQ_QOS_LO; + itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); + itnim->iotov_active = BFA_FALSE; + bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); + + INIT_LIST_HEAD(&itnim->io_q); + INIT_LIST_HEAD(&itnim->io_cleanup_q); + INIT_LIST_HEAD(&itnim->pending_q); + INIT_LIST_HEAD(&itnim->tsk_q); + INIT_LIST_HEAD(&itnim->delay_comp_q); + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + } + + bfa_meminfo_kva(minfo) = (u8 *) itnim; +} + +void +bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) +{ + bfa_stats(itnim, ioc_disabled); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); +} + +static bfa_boolean_t +bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) +{ + struct bfi_itnim_create_req_s *m; + + itnim->msg_no++; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(itnim->bfa, itnim->reqq); + if (!m) { + bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_ITNIM, BFI_ITNIM_H2I_CREATE_REQ, + bfa_lpuid(itnim->bfa)); + m->fw_handle = itnim->rport->fw_handle; + m->class = FC_CLASS_3; + m->seq_rec = itnim->seq_rec; + m->msg_no = itnim->msg_no; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(itnim->bfa, itnim->reqq); + return BFA_TRUE; +} + +static bfa_boolean_t +bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) +{ + struct bfi_itnim_delete_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(itnim->bfa, itnim->reqq); + if (!m) { + bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_ITNIM, BFI_ITNIM_H2I_DELETE_REQ, + bfa_lpuid(itnim->bfa)); + m->fw_handle = itnim->rport->fw_handle; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(itnim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Cleanup all pending failed inflight requests. + */ +static void +bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) +{ + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &itnim->delay_comp_q) { + ioim = (struct bfa_ioim_s *)qe; + bfa_ioim_delayed_comp(ioim, iotov); + } +} + +/** + * Start all pending IO requests. + */ +static void +bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) +{ + struct bfa_ioim_s *ioim; + + bfa_itnim_iotov_stop(itnim); + + /** + * Abort all inflight IO requests in the queue + */ + bfa_itnim_delayed_comp(itnim, BFA_FALSE); + + /** + * Start all pending IO requests. + */ + while (!list_empty(&itnim->pending_q)) { + bfa_q_deq(&itnim->pending_q, &ioim); + list_add_tail(&ioim->qe, &itnim->io_q); + bfa_ioim_start(ioim); + } +} + +/** + * Fail all pending IO requests + */ +static void +bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) +{ + struct bfa_ioim_s *ioim; + + /** + * Fail all inflight IO requests in the queue + */ + bfa_itnim_delayed_comp(itnim, BFA_TRUE); + + /** + * Fail any pending IO requests. + */ + while (!list_empty(&itnim->pending_q)) { + bfa_q_deq(&itnim->pending_q, &ioim); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); + bfa_ioim_tov(ioim); + } +} + +/** + * IO TOV timer callback. Fail any pending IO requests. + */ +static void +bfa_itnim_iotov(void *itnim_arg) +{ + struct bfa_itnim_s *itnim = itnim_arg; + + itnim->iotov_active = BFA_FALSE; + + bfa_cb_itnim_tov_begin(itnim->ditn); + bfa_itnim_iotov_cleanup(itnim); + bfa_cb_itnim_tov(itnim->ditn); +} + +/** + * Start IO TOV timer for failing back pending IO requests in offline state. + */ +static void +bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) +{ + if (itnim->fcpim->path_tov > 0) { + + itnim->iotov_active = BFA_TRUE; + bfa_assert(bfa_itnim_hold_io(itnim)); + bfa_timer_start(itnim->bfa, &itnim->timer, + bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); + } +} + +/** + * Stop IO TOV timer. + */ +static void +bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) +{ + if (itnim->iotov_active) { + itnim->iotov_active = BFA_FALSE; + bfa_timer_stop(&itnim->timer); + } +} + +/** + * Stop IO TOV timer. + */ +static void +bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) +{ + bfa_boolean_t pathtov_active = BFA_FALSE; + + if (itnim->iotov_active) + pathtov_active = BFA_TRUE; + + bfa_itnim_iotov_stop(itnim); + if (pathtov_active) + bfa_cb_itnim_tov_begin(itnim->ditn); + bfa_itnim_iotov_cleanup(itnim); + if (pathtov_active) + bfa_cb_itnim_tov(itnim->ditn); +} + + + +/** + * bfa_itnim_public + */ + +/** + * Itnim interrupt processing. + */ +void +bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + union bfi_itnim_i2h_msg_u msg; + struct bfa_itnim_s *itnim; + + bfa_trc(bfa, m->mhdr.msg_id); + + msg.msg = m; + + switch (m->mhdr.msg_id) { + case BFI_ITNIM_I2H_CREATE_RSP: + itnim = BFA_ITNIM_FROM_TAG(fcpim, + msg.create_rsp->bfa_handle); + bfa_assert(msg.create_rsp->status == BFA_STATUS_OK); + bfa_stats(itnim, create_comps); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); + break; + + case BFI_ITNIM_I2H_DELETE_RSP: + itnim = BFA_ITNIM_FROM_TAG(fcpim, + msg.delete_rsp->bfa_handle); + bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK); + bfa_stats(itnim, delete_comps); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); + break; + + case BFI_ITNIM_I2H_SLER_EVENT: + itnim = BFA_ITNIM_FROM_TAG(fcpim, + msg.sler_event->bfa_handle); + bfa_stats(itnim, sler_events); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); + break; + + default: + bfa_trc(bfa, m->mhdr.msg_id); + bfa_assert(0); + } +} + + + +/** + * bfa_itnim_api + */ + +struct bfa_itnim_s * +bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_itnim_s *itnim; + + itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); + bfa_assert(itnim->rport == rport); + + itnim->ditn = ditn; + + bfa_stats(itnim, creates); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); + + return (itnim); +} + +void +bfa_itnim_delete(struct bfa_itnim_s *itnim) +{ + bfa_stats(itnim, deletes); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); +} + +void +bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) +{ + itnim->seq_rec = seq_rec; + bfa_stats(itnim, onlines); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); +} + +void +bfa_itnim_offline(struct bfa_itnim_s *itnim) +{ + bfa_stats(itnim, offlines); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); +} + +/** + * Return true if itnim is considered offline for holding off IO request. + * IO is not held if itnim is being deleted. + */ +bfa_boolean_t +bfa_itnim_hold_io(struct bfa_itnim_s *itnim) +{ + return ( + itnim->fcpim->path_tov && itnim->iotov_active && + (bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)) +); +} + +void +bfa_itnim_get_stats(struct bfa_itnim_s *itnim, + struct bfa_itnim_hal_stats_s *stats) +{ + *stats = itnim->stats; +} + +void +bfa_itnim_clear_stats(struct bfa_itnim_s *itnim) +{ + bfa_os_memset(&itnim->stats, 0, sizeof(itnim->stats)); +} + + diff --git a/drivers/scsi/bfa/bfa_log.c b/drivers/scsi/bfa/bfa_log.c new file mode 100644 index 000000000000..c2735e55cf03 --- /dev/null +++ b/drivers/scsi/bfa/bfa_log.c @@ -0,0 +1,346 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_log.c BFA log library + */ + +#include <bfa_os_inc.h> +#include <cs/bfa_log.h> + +/* + * global log info structure + */ +struct bfa_log_info_s { + u32 start_idx; /* start index for a module */ + u32 total_count; /* total count for a module */ + enum bfa_log_severity level; /* global log level */ + bfa_log_cb_t cbfn; /* callback function */ +}; + +static struct bfa_log_info_s bfa_log_info[BFA_LOG_MODULE_ID_MAX + 1]; +static u32 bfa_log_msg_total_count; +static int bfa_log_initialized; + +static char *bfa_log_severity[] = + { "[none]", "[critical]", "[error]", "[warn]", "[info]", "" }; + +/** + * BFA log library initialization + * + * The log library initialization includes the following, + * - set log instance name and callback function + * - read the message array generated from xml files + * - calculate start index for each module + * - calculate message count for each module + * - perform error checking + * + * @param[in] log_mod - log module info + * @param[in] instance_name - instance name + * @param[in] cbfn - callback function + * + * It return 0 on success, or -1 on failure + */ +int +bfa_log_init(struct bfa_log_mod_s *log_mod, char *instance_name, + bfa_log_cb_t cbfn) +{ + struct bfa_log_msgdef_s *msg; + u32 pre_mod_id = 0; + u32 cur_mod_id = 0; + u32 i, pre_idx, idx, msg_id; + + /* + * set instance name + */ + if (log_mod) { + strncpy(log_mod->instance_info, instance_name, + sizeof(log_mod->instance_info)); + log_mod->cbfn = cbfn; + for (i = 0; i <= BFA_LOG_MODULE_ID_MAX; i++) + log_mod->log_level[i] = BFA_LOG_WARNING; + } + + if (bfa_log_initialized) + return 0; + + for (i = 0; i <= BFA_LOG_MODULE_ID_MAX; i++) { + bfa_log_info[i].start_idx = 0; + bfa_log_info[i].total_count = 0; + bfa_log_info[i].level = BFA_LOG_WARNING; + bfa_log_info[i].cbfn = cbfn; + } + + pre_idx = 0; + idx = 0; + msg = bfa_log_msg_array; + msg_id = BFA_LOG_GET_MSG_ID(msg); + pre_mod_id = BFA_LOG_GET_MOD_ID(msg_id); + while (msg_id != 0) { + cur_mod_id = BFA_LOG_GET_MOD_ID(msg_id); + + if (cur_mod_id > BFA_LOG_MODULE_ID_MAX) { + cbfn(log_mod, msg_id, + "%s%s log: module id %u out of range\n", + BFA_LOG_CAT_NAME, + bfa_log_severity[BFA_LOG_ERROR], + cur_mod_id); + return -1; + } + + if (pre_mod_id > BFA_LOG_MODULE_ID_MAX) { + cbfn(log_mod, msg_id, + "%s%s log: module id %u out of range\n", + BFA_LOG_CAT_NAME, + bfa_log_severity[BFA_LOG_ERROR], + pre_mod_id); + return -1; + } + + if (cur_mod_id != pre_mod_id) { + bfa_log_info[pre_mod_id].start_idx = pre_idx; + bfa_log_info[pre_mod_id].total_count = idx - pre_idx; + pre_mod_id = cur_mod_id; + pre_idx = idx; + } + + idx++; + msg++; + msg_id = BFA_LOG_GET_MSG_ID(msg); + } + + bfa_log_info[cur_mod_id].start_idx = pre_idx; + bfa_log_info[cur_mod_id].total_count = idx - pre_idx; + bfa_log_msg_total_count = idx; + + cbfn(log_mod, msg_id, "%s%s log: init OK, msg total count %u\n", + BFA_LOG_CAT_NAME, + bfa_log_severity[BFA_LOG_INFO], bfa_log_msg_total_count); + + bfa_log_initialized = 1; + + return 0; +} + +/** + * BFA log set log level for a module + * + * @param[in] log_mod - log module info + * @param[in] mod_id - module id + * @param[in] log_level - log severity level + * + * It return BFA_STATUS_OK on success, or > 0 on failure + */ +bfa_status_t +bfa_log_set_level(struct bfa_log_mod_s *log_mod, int mod_id, + enum bfa_log_severity log_level) +{ + if (mod_id <= BFA_LOG_UNUSED_ID || mod_id > BFA_LOG_MODULE_ID_MAX) + return BFA_STATUS_EINVAL; + + if (log_level <= BFA_LOG_INVALID || log_level > BFA_LOG_LEVEL_MAX) + return BFA_STATUS_EINVAL; + + if (log_mod) + log_mod->log_level[mod_id] = log_level; + else + bfa_log_info[mod_id].level = log_level; + + return BFA_STATUS_OK; +} + +/** + * BFA log set log level for all modules + * + * @param[in] log_mod - log module info + * @param[in] log_level - log severity level + * + * It return BFA_STATUS_OK on success, or > 0 on failure + */ +bfa_status_t +bfa_log_set_level_all(struct bfa_log_mod_s *log_mod, + enum bfa_log_severity log_level) +{ + int mod_id = BFA_LOG_UNUSED_ID + 1; + + if (log_level <= BFA_LOG_INVALID || log_level > BFA_LOG_LEVEL_MAX) + return BFA_STATUS_EINVAL; + + if (log_mod) { + for (; mod_id <= BFA_LOG_MODULE_ID_MAX; mod_id++) + log_mod->log_level[mod_id] = log_level; + } else { + for (; mod_id <= BFA_LOG_MODULE_ID_MAX; mod_id++) + bfa_log_info[mod_id].level = log_level; + } + + return BFA_STATUS_OK; +} + +/** + * BFA log set log level for all aen sub-modules + * + * @param[in] log_mod - log module info + * @param[in] log_level - log severity level + * + * It return BFA_STATUS_OK on success, or > 0 on failure + */ +bfa_status_t +bfa_log_set_level_aen(struct bfa_log_mod_s *log_mod, + enum bfa_log_severity log_level) +{ + int mod_id = BFA_LOG_AEN_MIN + 1; + + if (log_mod) { + for (; mod_id <= BFA_LOG_AEN_MAX; mod_id++) + log_mod->log_level[mod_id] = log_level; + } else { + for (; mod_id <= BFA_LOG_AEN_MAX; mod_id++) + bfa_log_info[mod_id].level = log_level; + } + + return BFA_STATUS_OK; +} + +/** + * BFA log get log level for a module + * + * @param[in] log_mod - log module info + * @param[in] mod_id - module id + * + * It returns log level or -1 on error + */ +enum bfa_log_severity +bfa_log_get_level(struct bfa_log_mod_s *log_mod, int mod_id) +{ + if (mod_id <= BFA_LOG_UNUSED_ID || mod_id > BFA_LOG_MODULE_ID_MAX) + return BFA_LOG_INVALID; + + if (log_mod) + return (log_mod->log_level[mod_id]); + else + return (bfa_log_info[mod_id].level); +} + +enum bfa_log_severity +bfa_log_get_msg_level(struct bfa_log_mod_s *log_mod, u32 msg_id) +{ + struct bfa_log_msgdef_s *msg; + u32 mod = BFA_LOG_GET_MOD_ID(msg_id); + u32 idx = BFA_LOG_GET_MSG_IDX(msg_id) - 1; + + if (!bfa_log_initialized) + return BFA_LOG_INVALID; + + if (mod > BFA_LOG_MODULE_ID_MAX) + return BFA_LOG_INVALID; + + if (idx >= bfa_log_info[mod].total_count) { + bfa_log_info[mod].cbfn(log_mod, msg_id, + "%s%s log: inconsistent idx %u vs. total count %u\n", + BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR], idx, + bfa_log_info[mod].total_count); + return BFA_LOG_INVALID; + } + + msg = bfa_log_msg_array + bfa_log_info[mod].start_idx + idx; + if (msg_id != BFA_LOG_GET_MSG_ID(msg)) { + bfa_log_info[mod].cbfn(log_mod, msg_id, + "%s%s log: inconsistent msg id %u array msg id %u\n", + BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR], + msg_id, BFA_LOG_GET_MSG_ID(msg)); + return BFA_LOG_INVALID; + } + + return BFA_LOG_GET_SEVERITY(msg); +} + +/** + * BFA log message handling + * + * BFA log message handling finds the message based on message id and prints + * out the message based on its format and arguments. It also does prefix + * the severity etc. + * + * @param[in] log_mod - log module info + * @param[in] msg_id - message id + * @param[in] ... - message arguments + * + * It return 0 on success, or -1 on errors + */ +int +bfa_log(struct bfa_log_mod_s *log_mod, u32 msg_id, ...) +{ + va_list ap; + char buf[256]; + struct bfa_log_msgdef_s *msg; + int log_level; + u32 mod = BFA_LOG_GET_MOD_ID(msg_id); + u32 idx = BFA_LOG_GET_MSG_IDX(msg_id) - 1; + + if (!bfa_log_initialized) + return -1; + + if (mod > BFA_LOG_MODULE_ID_MAX) + return -1; + + if (idx >= bfa_log_info[mod].total_count) { + bfa_log_info[mod]. + cbfn + (log_mod, msg_id, + "%s%s log: inconsistent idx %u vs. total count %u\n", + BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR], idx, + bfa_log_info[mod].total_count); + return -1; + } + + msg = bfa_log_msg_array + bfa_log_info[mod].start_idx + idx; + if (msg_id != BFA_LOG_GET_MSG_ID(msg)) { + bfa_log_info[mod]. + cbfn + (log_mod, msg_id, + "%s%s log: inconsistent msg id %u array msg id %u\n", + BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR], + msg_id, BFA_LOG_GET_MSG_ID(msg)); + return -1; + } + + log_level = log_mod ? log_mod->log_level[mod] : bfa_log_info[mod].level; + if ((BFA_LOG_GET_SEVERITY(msg) > log_level) && + (msg->attributes != BFA_LOG_ATTR_NONE)) + return 0; + + va_start(ap, msg_id); + bfa_os_vsprintf(buf, BFA_LOG_GET_MSG_FMT_STRING(msg), ap); + va_end(ap); + + if (log_mod) + log_mod->cbfn(log_mod, msg_id, "%s[%s]%s%s %s: %s\n", + BFA_LOG_CAT_NAME, log_mod->instance_info, + bfa_log_severity[BFA_LOG_GET_SEVERITY(msg)], + (msg->attributes & BFA_LOG_ATTR_AUDIT) + ? " (audit) " : "", msg->msg_value, buf); + else + bfa_log_info[mod].cbfn(log_mod, msg_id, "%s%s%s %s: %s\n", + BFA_LOG_CAT_NAME, + bfa_log_severity[BFA_LOG_GET_SEVERITY(msg)], + (msg->attributes & BFA_LOG_ATTR_AUDIT) ? + " (audit) " : "", msg->msg_value, buf); + + return 0; +} + diff --git a/drivers/scsi/bfa/bfa_log_module.c b/drivers/scsi/bfa/bfa_log_module.c new file mode 100644 index 000000000000..5c154d341d69 --- /dev/null +++ b/drivers/scsi/bfa/bfa_log_module.c @@ -0,0 +1,451 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <cs/bfa_log.h> +#include <aen/bfa_aen_adapter.h> +#include <aen/bfa_aen_audit.h> +#include <aen/bfa_aen_ethport.h> +#include <aen/bfa_aen_ioc.h> +#include <aen/bfa_aen_itnim.h> +#include <aen/bfa_aen_lport.h> +#include <aen/bfa_aen_port.h> +#include <aen/bfa_aen_rport.h> +#include <log/bfa_log_fcs.h> +#include <log/bfa_log_hal.h> +#include <log/bfa_log_linux.h> +#include <log/bfa_log_wdrv.h> + +struct bfa_log_msgdef_s bfa_log_msg_array[] = { + + +/* messages define for BFA_AEN_CAT_ADAPTER Module */ +{BFA_AEN_ADAPTER_ADD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_ADAPTER_ADD", + "New adapter found: SN = %s, base port WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_ADAPTER_REMOVE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_ADAPTER_REMOVE", + "Adapter removed: SN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + + + + +/* messages define for BFA_AEN_CAT_AUDIT Module */ +{BFA_AEN_AUDIT_AUTH_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "BFA_AEN_AUDIT_AUTH_ENABLE", + "Authentication enabled for base port: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_AUDIT_AUTH_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "BFA_AEN_AUDIT_AUTH_DISABLE", + "Authentication disabled for base port: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + + + + +/* messages define for BFA_AEN_CAT_ETHPORT Module */ +{BFA_AEN_ETHPORT_LINKUP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_ETHPORT_LINKUP", + "Base port ethernet linkup: mac = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_ETHPORT_LINKDOWN, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_ETHPORT_LINKDOWN", + "Base port ethernet linkdown: mac = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_ETHPORT_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_ETHPORT_ENABLE", + "Base port ethernet interface enabled: mac = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_ETHPORT_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_ETHPORT_DISABLE", + "Base port ethernet interface disabled: mac = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + + + + +/* messages define for BFA_AEN_CAT_IOC Module */ +{BFA_AEN_IOC_HBGOOD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_IOC_HBGOOD", + "Heart Beat of IOC %d is good.", + ((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_IOC_HBFAIL, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_CRITICAL, + "BFA_AEN_IOC_HBFAIL", + "Heart Beat of IOC %d has failed.", + ((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_IOC_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_IOC_ENABLE", + "IOC %d is enabled.", + ((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_IOC_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_IOC_DISABLE", + "IOC %d is disabled.", + ((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_IOC_FWMISMATCH, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_CRITICAL, "BFA_AEN_IOC_FWMISMATCH", + "Running firmware version is incompatible with the driver version.", + (0), 0}, + + + + +/* messages define for BFA_AEN_CAT_ITNIM Module */ +{BFA_AEN_ITNIM_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_ITNIM_ONLINE", + "Target (WWN = %s) is online for initiator (WWN = %s).", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_ITNIM_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_ITNIM_OFFLINE", + "Target (WWN = %s) offlined by initiator (WWN = %s).", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_ITNIM_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_ERROR, "BFA_AEN_ITNIM_DISCONNECT", + "Target (WWN = %s) connectivity lost for initiator (WWN = %s).", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + + + + +/* messages define for BFA_AEN_CAT_LPORT Module */ +{BFA_AEN_LPORT_NEW, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_LPORT_NEW", + "New logical port created: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_DELETE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_LPORT_DELETE", + "Logical port deleted: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_LPORT_ONLINE", + "Logical port online: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_LPORT_OFFLINE", + "Logical port taken offline: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_ERROR, "BFA_AEN_LPORT_DISCONNECT", + "Logical port lost fabric connectivity: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_NEW_PROP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_LPORT_NEW_PROP", + "New virtual port created using proprietary interface: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_DELETE_PROP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "BFA_AEN_LPORT_DELETE_PROP", + "Virtual port deleted using proprietary interface: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_NEW_STANDARD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "BFA_AEN_LPORT_NEW_STANDARD", + "New virtual port created using standard interface: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_DELETE_STANDARD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "BFA_AEN_LPORT_DELETE_STANDARD", + "Virtual port deleted using standard interface: WWN = %s, Role = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_LPORT_NPIV_DUP_WWN, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_LPORT_NPIV_DUP_WWN", + "Virtual port login failed. Duplicate WWN = %s reported by fabric.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_LPORT_NPIV_FABRIC_MAX, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_LPORT_NPIV_FABRIC_MAX", + "Virtual port (WWN = %s) login failed. Max NPIV ports already exist in" + " fabric/fport.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_LPORT_NPIV_UNKNOWN, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_LPORT_NPIV_UNKNOWN", + "Virtual port (WWN = %s) login failed.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + + + + +/* messages define for BFA_AEN_CAT_PORT Module */ +{BFA_AEN_PORT_ONLINE, BFA_LOG_ATTR_NONE, BFA_LOG_INFO, "BFA_AEN_PORT_ONLINE", + "Base port online: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_WARNING, + "BFA_AEN_PORT_OFFLINE", + "Base port offline: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_RLIR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_PORT_RLIR", + "RLIR event not supported.", + (0), 0}, + +{BFA_AEN_PORT_SFP_INSERT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_PORT_SFP_INSERT", + "New SFP found: WWN/MAC = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_SFP_REMOVE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_PORT_SFP_REMOVE", + "SFP removed: WWN/MAC = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_SFP_POM, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_WARNING, + "BFA_AEN_PORT_SFP_POM", + "SFP POM level to %s: WWN/MAC = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_PORT_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_PORT_ENABLE", + "Base port enabled: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_PORT_DISABLE", + "Base port disabled: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_AUTH_ON, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_PORT_AUTH_ON", + "Authentication successful for base port: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_AUTH_OFF, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR, + "BFA_AEN_PORT_AUTH_OFF", + "Authentication unsuccessful for base port: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR, + "BFA_AEN_PORT_DISCONNECT", + "Base port (WWN = %s) lost fabric connectivity.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_QOS_NEG, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_WARNING, + "BFA_AEN_PORT_QOS_NEG", + "QOS negotiation failed for base port: WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_FABRIC_NAME_CHANGE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_PORT_FABRIC_NAME_CHANGE", + "Base port WWN = %s, Fabric WWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_PORT_SFP_ACCESS_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_PORT_SFP_ACCESS_ERROR", + "SFP access error: WWN/MAC = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_AEN_PORT_SFP_UNSUPPORT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_WARNING, "BFA_AEN_PORT_SFP_UNSUPPORT", + "Unsupported SFP found: WWN/MAC = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + + + + +/* messages define for BFA_AEN_CAT_RPORT Module */ +{BFA_AEN_RPORT_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_RPORT_ONLINE", + "Remote port (WWN = %s) online for logical port (WWN = %s).", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_RPORT_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_RPORT_OFFLINE", + "Remote port (WWN = %s) offlined by logical port (WWN = %s).", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_RPORT_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_ERROR, "BFA_AEN_RPORT_DISCONNECT", + "Remote port (WWN = %s) connectivity lost for logical port (WWN = %s).", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2}, + +{BFA_AEN_RPORT_QOS_PRIO, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_RPORT_QOS_PRIO", + "QOS priority changed to %s: RPWWN = %s and LPWWN = %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | + (BFA_LOG_S << BFA_LOG_ARG2) | 0), 3}, + +{BFA_AEN_RPORT_QOS_FLOWID, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "BFA_AEN_RPORT_QOS_FLOWID", + "QOS flow ID changed to %d: RPWWN = %s and LPWWN = %s.", + ((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | + (BFA_LOG_S << BFA_LOG_ARG2) | 0), 3}, + + + + +/* messages define for FCS Module */ +{BFA_LOG_FCS_FABRIC_NOSWITCH, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "FCS_FABRIC_NOSWITCH", + "No switched fabric presence is detected.", + (0), 0}, + +{BFA_LOG_FCS_FABRIC_ISOLATED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "FCS_FABRIC_ISOLATED", + "Port is isolated due to VF_ID mismatch. PWWN: %s, Port VF_ID: %04x and" + " switch port VF_ID: %04x.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_X << BFA_LOG_ARG1) | + (BFA_LOG_X << BFA_LOG_ARG2) | 0), 3}, + + + + +/* messages define for HAL Module */ +{BFA_LOG_HAL_ASSERT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR, + "HAL_ASSERT", + "Assertion failure: %s:%d: %s", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) | + (BFA_LOG_S << BFA_LOG_ARG2) | 0), 3}, + +{BFA_LOG_HAL_HEARTBEAT_FAILURE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_CRITICAL, "HAL_HEARTBEAT_FAILURE", + "Firmware heartbeat failure at %d", + ((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1}, + +{BFA_LOG_HAL_FCPIM_PARM_INVALID, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "HAL_FCPIM_PARM_INVALID", + "Driver configuration %s value %d is invalid. Value should be within" + " %d and %d.", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) | + (BFA_LOG_D << BFA_LOG_ARG2) | (BFA_LOG_D << BFA_LOG_ARG3) | 0), 4}, + +{BFA_LOG_HAL_SM_ASSERT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR, + "HAL_SM_ASSERT", + "SM Assertion failure: %s:%d: event = %d", + ((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) | + (BFA_LOG_D << BFA_LOG_ARG2) | 0), 3}, + + + + +/* messages define for LINUX Module */ +{BFA_LOG_LINUX_DEVICE_CLAIMED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_DEVICE_CLAIMED", + "bfa device at %s claimed.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_LOG_LINUX_HASH_INIT_FAILED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_HASH_INIT_FAILED", + "Hash table initialization failure for the port %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_LOG_LINUX_SYSFS_FAILED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_SYSFS_FAILED", + "sysfs file creation failure for the port %s.", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_LOG_LINUX_MEM_ALLOC_FAILED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_MEM_ALLOC_FAILED", + "Memory allocation failed: %s. ", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_LOG_LINUX_DRIVER_REGISTRATION_FAILED, + BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "LINUX_DRIVER_REGISTRATION_FAILED", + "%s. ", + ((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1}, + +{BFA_LOG_LINUX_ITNIM_FREE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "LINUX_ITNIM_FREE", + "scsi%d: FCID: %s WWPN: %s", + ((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | + (BFA_LOG_S << BFA_LOG_ARG2) | 0), 3}, + +{BFA_LOG_LINUX_ITNIM_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_ITNIM_ONLINE", + "Target: %d:0:%d FCID: %s WWPN: %s", + ((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) | + (BFA_LOG_S << BFA_LOG_ARG2) | (BFA_LOG_S << BFA_LOG_ARG3) | 0), 4}, + +{BFA_LOG_LINUX_ITNIM_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_ITNIM_OFFLINE", + "Target: %d:0:%d FCID: %s WWPN: %s", + ((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) | + (BFA_LOG_S << BFA_LOG_ARG2) | (BFA_LOG_S << BFA_LOG_ARG3) | 0), 4}, + +{BFA_LOG_LINUX_SCSI_HOST_FREE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_SCSI_HOST_FREE", + "Free scsi%d", + ((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1}, + +{BFA_LOG_LINUX_SCSI_ABORT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO, + "LINUX_SCSI_ABORT", + "scsi%d: abort cmnd %p, iotag %x", + ((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_P << BFA_LOG_ARG1) | + (BFA_LOG_X << BFA_LOG_ARG2) | 0), 3}, + +{BFA_LOG_LINUX_SCSI_ABORT_COMP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "LINUX_SCSI_ABORT_COMP", + "scsi%d: complete abort 0x%p, iotag 0x%x", + ((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_P << BFA_LOG_ARG1) | + (BFA_LOG_X << BFA_LOG_ARG2) | 0), 3}, + + + + +/* messages define for WDRV Module */ +{BFA_LOG_WDRV_IOC_INIT_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "WDRV_IOC_INIT_ERROR", + "IOC initialization has failed.", + (0), 0}, + +{BFA_LOG_WDRV_IOC_INTERNAL_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "WDRV_IOC_INTERNAL_ERROR", + "IOC internal error. ", + (0), 0}, + +{BFA_LOG_WDRV_IOC_START_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "WDRV_IOC_START_ERROR", + "IOC could not be started. ", + (0), 0}, + +{BFA_LOG_WDRV_IOC_STOP_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "WDRV_IOC_STOP_ERROR", + "IOC could not be stopped. ", + (0), 0}, + +{BFA_LOG_WDRV_INSUFFICIENT_RESOURCES, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "WDRV_INSUFFICIENT_RESOURCES", + "Insufficient memory. ", + (0), 0}, + +{BFA_LOG_WDRV_BASE_ADDRESS_MAP_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, + BFA_LOG_INFO, "WDRV_BASE_ADDRESS_MAP_ERROR", + "Unable to map the IOC onto the system address space. ", + (0), 0}, + + +{0, 0, 0, "", "", 0, 0}, +}; diff --git a/drivers/scsi/bfa/bfa_lps.c b/drivers/scsi/bfa/bfa_lps.c new file mode 100644 index 000000000000..9844b45412b6 --- /dev/null +++ b/drivers/scsi/bfa/bfa_lps.c @@ -0,0 +1,782 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfi/bfi_lps.h> +#include <cs/bfa_debug.h> + +BFA_TRC_FILE(HAL, LPS); +BFA_MODULE(lps); + +#define BFA_LPS_MIN_LPORTS (1) +#define BFA_LPS_MAX_LPORTS (256) + +/** + * forward declarations + */ +static void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, + u32 *dm_len); +static void bfa_lps_attach(struct bfa_s *bfa, void *bfad, + struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, + struct bfa_pcidev_s *pcidev); +static void bfa_lps_initdone(struct bfa_s *bfa); +static void bfa_lps_detach(struct bfa_s *bfa); +static void bfa_lps_start(struct bfa_s *bfa); +static void bfa_lps_stop(struct bfa_s *bfa); +static void bfa_lps_iocdisable(struct bfa_s *bfa); +static void bfa_lps_login_rsp(struct bfa_s *bfa, + struct bfi_lps_login_rsp_s *rsp); +static void bfa_lps_logout_rsp(struct bfa_s *bfa, + struct bfi_lps_logout_rsp_s *rsp); +static void bfa_lps_reqq_resume(void *lps_arg); +static void bfa_lps_free(struct bfa_lps_s *lps); +static void bfa_lps_send_login(struct bfa_lps_s *lps); +static void bfa_lps_send_logout(struct bfa_lps_s *lps); +static void bfa_lps_login_comp(struct bfa_lps_s *lps); +static void bfa_lps_logout_comp(struct bfa_lps_s *lps); + + +/** + * lps_pvt BFA LPS private functions + */ + +enum bfa_lps_event { + BFA_LPS_SM_LOGIN = 1, /* login request from user */ + BFA_LPS_SM_LOGOUT = 2, /* logout request from user */ + BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */ + BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */ + BFA_LPS_SM_DELETE = 5, /* lps delete from user */ + BFA_LPS_SM_OFFLINE = 6, /* Link is offline */ +}; + +static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event); +static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event); +static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, + enum bfa_lps_event event); +static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event); +static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event); +static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, + enum bfa_lps_event event); + +/** + * Init state -- no login + */ +static void +bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, event); + + switch (event) { + case BFA_LPS_SM_LOGIN: + if (bfa_reqq_full(lps->bfa, lps->reqq)) { + bfa_sm_set_state(lps, bfa_lps_sm_loginwait); + bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe); + } else { + bfa_sm_set_state(lps, bfa_lps_sm_login); + bfa_lps_send_login(lps); + } + break; + + case BFA_LPS_SM_LOGOUT: + bfa_lps_logout_comp(lps); + break; + + case BFA_LPS_SM_DELETE: + bfa_lps_free(lps); + break; + + case BFA_LPS_SM_OFFLINE: + break; + + case BFA_LPS_SM_FWRSP: + /* Could happen when fabric detects loopback and discards + * the lps request. Fw will eventually sent out the timeout + * Just ignore + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * login is in progress -- awaiting response from firmware + */ +static void +bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, event); + + switch (event) { + case BFA_LPS_SM_FWRSP: + if (lps->status == BFA_STATUS_OK) + bfa_sm_set_state(lps, bfa_lps_sm_online); + else + bfa_sm_set_state(lps, bfa_lps_sm_init); + bfa_lps_login_comp(lps); + break; + + case BFA_LPS_SM_OFFLINE: + bfa_sm_set_state(lps, bfa_lps_sm_init); + break; + + default: + bfa_assert(0); + } +} + +/** + * login pending - awaiting space in request queue + */ +static void +bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, event); + + switch (event) { + case BFA_LPS_SM_RESUME: + bfa_sm_set_state(lps, bfa_lps_sm_login); + break; + + case BFA_LPS_SM_OFFLINE: + bfa_sm_set_state(lps, bfa_lps_sm_init); + bfa_reqq_wcancel(&lps->wqe); + break; + + default: + bfa_assert(0); + } +} + +/** + * login complete + */ +static void +bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, event); + + switch (event) { + case BFA_LPS_SM_LOGOUT: + if (bfa_reqq_full(lps->bfa, lps->reqq)) { + bfa_sm_set_state(lps, bfa_lps_sm_logowait); + bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe); + } else { + bfa_sm_set_state(lps, bfa_lps_sm_logout); + bfa_lps_send_logout(lps); + } + break; + + case BFA_LPS_SM_OFFLINE: + case BFA_LPS_SM_DELETE: + bfa_sm_set_state(lps, bfa_lps_sm_init); + break; + + default: + bfa_assert(0); + } +} + +/** + * logout in progress - awaiting firmware response + */ +static void +bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, event); + + switch (event) { + case BFA_LPS_SM_FWRSP: + bfa_sm_set_state(lps, bfa_lps_sm_init); + bfa_lps_logout_comp(lps); + break; + + case BFA_LPS_SM_OFFLINE: + bfa_sm_set_state(lps, bfa_lps_sm_init); + break; + + default: + bfa_assert(0); + } +} + +/** + * logout pending -- awaiting space in request queue + */ +static void +bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, event); + + switch (event) { + case BFA_LPS_SM_RESUME: + bfa_sm_set_state(lps, bfa_lps_sm_logout); + bfa_lps_send_logout(lps); + break; + + case BFA_LPS_SM_OFFLINE: + bfa_sm_set_state(lps, bfa_lps_sm_init); + bfa_reqq_wcancel(&lps->wqe); + break; + + default: + bfa_assert(0); + } +} + + + +/** + * lps_pvt BFA LPS private functions + */ + +/** + * return memory requirement + */ +static void +bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, u32 *dm_len) +{ + if (cfg->drvcfg.min_cfg) + *ndm_len += sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS; + else + *ndm_len += sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS; +} + +/** + * bfa module attach at initialization time + */ +static void +bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); + struct bfa_lps_s *lps; + int i; + + bfa_os_memset(mod, 0, sizeof(struct bfa_lps_mod_s)); + mod->num_lps = BFA_LPS_MAX_LPORTS; + if (cfg->drvcfg.min_cfg) + mod->num_lps = BFA_LPS_MIN_LPORTS; + else + mod->num_lps = BFA_LPS_MAX_LPORTS; + mod->lps_arr = lps = (struct bfa_lps_s *) bfa_meminfo_kva(meminfo); + + bfa_meminfo_kva(meminfo) += mod->num_lps * sizeof(struct bfa_lps_s); + + INIT_LIST_HEAD(&mod->lps_free_q); + INIT_LIST_HEAD(&mod->lps_active_q); + + for (i = 0; i < mod->num_lps; i++, lps++) { + lps->bfa = bfa; + lps->lp_tag = (u8) i; + lps->reqq = BFA_REQQ_LPS; + bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps); + list_add_tail(&lps->qe, &mod->lps_free_q); + } +} + +static void +bfa_lps_initdone(struct bfa_s *bfa) +{ +} + +static void +bfa_lps_detach(struct bfa_s *bfa) +{ +} + +static void +bfa_lps_start(struct bfa_s *bfa) +{ +} + +static void +bfa_lps_stop(struct bfa_s *bfa) +{ +} + +/** + * IOC in disabled state -- consider all lps offline + */ +static void +bfa_lps_iocdisable(struct bfa_s *bfa) +{ + struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); + struct bfa_lps_s *lps; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &mod->lps_active_q) { + lps = (struct bfa_lps_s *) qe; + bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE); + } +} + +/** + * Firmware login response + */ +static void +bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp) +{ + struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); + struct bfa_lps_s *lps; + + bfa_assert(rsp->lp_tag < mod->num_lps); + lps = BFA_LPS_FROM_TAG(mod, rsp->lp_tag); + + lps->status = rsp->status; + switch (rsp->status) { + case BFA_STATUS_OK: + lps->fport = rsp->f_port; + lps->npiv_en = rsp->npiv_en; + lps->lp_pid = rsp->lp_pid; + lps->pr_bbcred = bfa_os_ntohs(rsp->bb_credit); + lps->pr_pwwn = rsp->port_name; + lps->pr_nwwn = rsp->node_name; + lps->auth_req = rsp->auth_req; + lps->lp_mac = rsp->lp_mac; + lps->brcd_switch = rsp->brcd_switch; + lps->fcf_mac = rsp->fcf_mac; + + break; + + case BFA_STATUS_FABRIC_RJT: + lps->lsrjt_rsn = rsp->lsrjt_rsn; + lps->lsrjt_expl = rsp->lsrjt_expl; + + break; + + case BFA_STATUS_EPROTOCOL: + lps->ext_status = rsp->ext_status; + + break; + + default: + /* Nothing to do with other status */ + break; + } + + bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP); +} + +/** + * Firmware logout response + */ +static void +bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp) +{ + struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); + struct bfa_lps_s *lps; + + bfa_assert(rsp->lp_tag < mod->num_lps); + lps = BFA_LPS_FROM_TAG(mod, rsp->lp_tag); + + bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP); +} + +/** + * Space is available in request queue, resume queueing request to firmware. + */ +static void +bfa_lps_reqq_resume(void *lps_arg) +{ + struct bfa_lps_s *lps = lps_arg; + + bfa_sm_send_event(lps, BFA_LPS_SM_RESUME); +} + +/** + * lps is freed -- triggered by vport delete + */ +static void +bfa_lps_free(struct bfa_lps_s *lps) +{ + struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa); + + list_del(&lps->qe); + list_add_tail(&lps->qe, &mod->lps_free_q); +} + +/** + * send login request to firmware + */ +static void +bfa_lps_send_login(struct bfa_lps_s *lps) +{ + struct bfi_lps_login_req_s *m; + + m = bfa_reqq_next(lps->bfa, lps->reqq); + bfa_assert(m); + + bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ, + bfa_lpuid(lps->bfa)); + + m->lp_tag = lps->lp_tag; + m->alpa = lps->alpa; + m->pdu_size = bfa_os_htons(lps->pdusz); + m->pwwn = lps->pwwn; + m->nwwn = lps->nwwn; + m->fdisc = lps->fdisc; + m->auth_en = lps->auth_en; + + bfa_reqq_produce(lps->bfa, lps->reqq); +} + +/** + * send logout request to firmware + */ +static void +bfa_lps_send_logout(struct bfa_lps_s *lps) +{ + struct bfi_lps_logout_req_s *m; + + m = bfa_reqq_next(lps->bfa, lps->reqq); + bfa_assert(m); + + bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ, + bfa_lpuid(lps->bfa)); + + m->lp_tag = lps->lp_tag; + m->port_name = lps->pwwn; + bfa_reqq_produce(lps->bfa, lps->reqq); +} + +/** + * Indirect login completion handler for non-fcs + */ +static void +bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete) +{ + struct bfa_lps_s *lps = arg; + + if (!complete) + return; + + if (lps->fdisc) + bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status); + else + bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status); +} + +/** + * Login completion handler -- direct call for fcs, queue for others + */ +static void +bfa_lps_login_comp(struct bfa_lps_s *lps) +{ + if (!lps->bfa->fcs) { + bfa_cb_queue(lps->bfa, &lps->hcb_qe, + bfa_lps_login_comp_cb, lps); + return; + } + + if (lps->fdisc) + bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status); + else + bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status); +} + +/** + * Indirect logout completion handler for non-fcs + */ +static void +bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete) +{ + struct bfa_lps_s *lps = arg; + + if (!complete) + return; + + if (lps->fdisc) + bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg); + else + bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg); +} + +/** + * Logout completion handler -- direct call for fcs, queue for others + */ +static void +bfa_lps_logout_comp(struct bfa_lps_s *lps) +{ + if (!lps->bfa->fcs) { + bfa_cb_queue(lps->bfa, &lps->hcb_qe, + bfa_lps_logout_comp_cb, lps); + return; + } + if (lps->fdisc) + bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg); + else + bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg); +} + + + +/** + * lps_public BFA LPS public functions + */ + +/** + * Allocate a lport srvice tag. + */ +struct bfa_lps_s * +bfa_lps_alloc(struct bfa_s *bfa) +{ + struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); + struct bfa_lps_s *lps = NULL; + + bfa_q_deq(&mod->lps_free_q, &lps); + + if (lps == NULL) + return NULL; + + list_add_tail(&lps->qe, &mod->lps_active_q); + + bfa_sm_set_state(lps, bfa_lps_sm_init); + return lps; +} + +/** + * Free lport service tag. This can be called anytime after an alloc. + * No need to wait for any pending login/logout completions. + */ +void +bfa_lps_delete(struct bfa_lps_s *lps) +{ + bfa_sm_send_event(lps, BFA_LPS_SM_DELETE); +} + +/** + * Initiate a lport login. + */ +void +bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz, + wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en) +{ + lps->uarg = uarg; + lps->alpa = alpa; + lps->pdusz = pdusz; + lps->pwwn = pwwn; + lps->nwwn = nwwn; + lps->fdisc = BFA_FALSE; + lps->auth_en = auth_en; + bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN); +} + +/** + * Initiate a lport fdisc login. + */ +void +bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn, + wwn_t nwwn) +{ + lps->uarg = uarg; + lps->alpa = 0; + lps->pdusz = pdusz; + lps->pwwn = pwwn; + lps->nwwn = nwwn; + lps->fdisc = BFA_TRUE; + lps->auth_en = BFA_FALSE; + bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN); +} + +/** + * Initiate a lport logout (flogi). + */ +void +bfa_lps_flogo(struct bfa_lps_s *lps) +{ + bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT); +} + +/** + * Initiate a lport FDSIC logout. + */ +void +bfa_lps_fdisclogo(struct bfa_lps_s *lps) +{ + bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT); +} + +/** + * Discard a pending login request -- should be called only for + * link down handling. + */ +void +bfa_lps_discard(struct bfa_lps_s *lps) +{ + bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE); +} + +/** + * Return lport services tag + */ +u8 +bfa_lps_get_tag(struct bfa_lps_s *lps) +{ + return lps->lp_tag; +} + +/** + * Return lport services tag given the pid + */ +u8 +bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid) +{ + struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); + struct bfa_lps_s *lps; + int i; + + for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) { + if (lps->lp_pid == pid) + return lps->lp_tag; + } + + /* Return base port tag anyway */ + return 0; +} + +/** + * return if fabric login indicates support for NPIV + */ +bfa_boolean_t +bfa_lps_is_npiv_en(struct bfa_lps_s *lps) +{ + return lps->npiv_en; +} + +/** + * Return TRUE if attached to F-Port, else return FALSE + */ +bfa_boolean_t +bfa_lps_is_fport(struct bfa_lps_s *lps) +{ + return lps->fport; +} + +/** + * Return TRUE if attached to a Brocade Fabric + */ +bfa_boolean_t +bfa_lps_is_brcd_fabric(struct bfa_lps_s *lps) +{ + return lps->brcd_switch; +} +/** + * return TRUE if authentication is required + */ +bfa_boolean_t +bfa_lps_is_authreq(struct bfa_lps_s *lps) +{ + return lps->auth_req; +} + +bfa_eproto_status_t +bfa_lps_get_extstatus(struct bfa_lps_s *lps) +{ + return lps->ext_status; +} + +/** + * return port id assigned to the lport + */ +u32 +bfa_lps_get_pid(struct bfa_lps_s *lps) +{ + return lps->lp_pid; +} + +/** + * Return bb_credit assigned in FLOGI response + */ +u16 +bfa_lps_get_peer_bbcredit(struct bfa_lps_s *lps) +{ + return lps->pr_bbcred; +} + +/** + * Return peer port name + */ +wwn_t +bfa_lps_get_peer_pwwn(struct bfa_lps_s *lps) +{ + return lps->pr_pwwn; +} + +/** + * Return peer node name + */ +wwn_t +bfa_lps_get_peer_nwwn(struct bfa_lps_s *lps) +{ + return lps->pr_nwwn; +} + +/** + * return reason code if login request is rejected + */ +u8 +bfa_lps_get_lsrjt_rsn(struct bfa_lps_s *lps) +{ + return lps->lsrjt_rsn; +} + +/** + * return explanation code if login request is rejected + */ +u8 +bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps) +{ + return lps->lsrjt_expl; +} + + +/** + * LPS firmware message class handler. + */ +void +bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + union bfi_lps_i2h_msg_u msg; + + bfa_trc(bfa, m->mhdr.msg_id); + msg.msg = m; + + switch (m->mhdr.msg_id) { + case BFI_LPS_H2I_LOGIN_RSP: + bfa_lps_login_rsp(bfa, msg.login_rsp); + break; + + case BFI_LPS_H2I_LOGOUT_RSP: + bfa_lps_logout_rsp(bfa, msg.logout_rsp); + break; + + default: + bfa_trc(bfa, m->mhdr.msg_id); + bfa_assert(0); + } +} + + diff --git a/drivers/scsi/bfa/bfa_lps_priv.h b/drivers/scsi/bfa/bfa_lps_priv.h new file mode 100644 index 000000000000..d16c6ce995df --- /dev/null +++ b/drivers/scsi/bfa/bfa_lps_priv.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_LPS_PRIV_H__ +#define __BFA_LPS_PRIV_H__ + +#include <bfa_svc.h> + +struct bfa_lps_mod_s { + struct list_head lps_free_q; + struct list_head lps_active_q; + struct bfa_lps_s *lps_arr; + int num_lps; +}; + +#define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod) +#define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag]) + +/* + * external functions + */ +void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); + +#endif /* __BFA_LPS_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_module.c b/drivers/scsi/bfa/bfa_module.c new file mode 100644 index 000000000000..32eda8e1ec65 --- /dev/null +++ b/drivers/scsi/bfa/bfa_module.c @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#include <bfa.h> +#include <defs/bfa_defs_pci.h> +#include <cs/bfa_debug.h> +#include <bfa_iocfc.h> + +/** + * BFA module list terminated by NULL + */ +struct bfa_module_s *hal_mods[] = { + &hal_mod_sgpg, + &hal_mod_pport, + &hal_mod_fcxp, + &hal_mod_lps, + &hal_mod_uf, + &hal_mod_rport, + &hal_mod_fcpim, +#ifdef BFA_CFG_PBIND + &hal_mod_pbind, +#endif + NULL +}; + +/** + * Message handlers for various modules. + */ +bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = { + bfa_isr_unhandled, /* NONE */ + bfa_isr_unhandled, /* BFI_MC_IOC */ + bfa_isr_unhandled, /* BFI_MC_DIAG */ + bfa_isr_unhandled, /* BFI_MC_FLASH */ + bfa_isr_unhandled, /* BFI_MC_CEE */ + bfa_pport_isr, /* BFI_MC_PORT */ + bfa_isr_unhandled, /* BFI_MC_IOCFC */ + bfa_isr_unhandled, /* BFI_MC_LL */ + bfa_uf_isr, /* BFI_MC_UF */ + bfa_fcxp_isr, /* BFI_MC_FCXP */ + bfa_lps_isr, /* BFI_MC_LPS */ + bfa_rport_isr, /* BFI_MC_RPORT */ + bfa_itnim_isr, /* BFI_MC_ITNIM */ + bfa_isr_unhandled, /* BFI_MC_IOIM_READ */ + bfa_isr_unhandled, /* BFI_MC_IOIM_WRITE */ + bfa_isr_unhandled, /* BFI_MC_IOIM_IO */ + bfa_ioim_isr, /* BFI_MC_IOIM */ + bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */ + bfa_tskim_isr, /* BFI_MC_TSKIM */ + bfa_isr_unhandled, /* BFI_MC_SBOOT */ + bfa_isr_unhandled, /* BFI_MC_IPFC */ + bfa_isr_unhandled, /* BFI_MC_PORT */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ + bfa_isr_unhandled, /* --------- */ +}; + +/** + * Message handlers for mailbox command classes + */ +bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = { + NULL, + NULL, /* BFI_MC_IOC */ + NULL, /* BFI_MC_DIAG */ + NULL, /* BFI_MC_FLASH */ + NULL, /* BFI_MC_CEE */ + NULL, /* BFI_MC_PORT */ + bfa_iocfc_isr, /* BFI_MC_IOCFC */ + NULL, +}; + diff --git a/drivers/scsi/bfa/bfa_modules_priv.h b/drivers/scsi/bfa/bfa_modules_priv.h new file mode 100644 index 000000000000..96f70534593c --- /dev/null +++ b/drivers/scsi/bfa/bfa_modules_priv.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_MODULES_PRIV_H__ +#define __BFA_MODULES_PRIV_H__ + +#include "bfa_uf_priv.h" +#include "bfa_port_priv.h" +#include "bfa_rport_priv.h" +#include "bfa_fcxp_priv.h" +#include "bfa_lps_priv.h" +#include "bfa_fcpim_priv.h" +#include <cee/bfa_cee.h> +#include <port/bfa_port.h> + + +struct bfa_modules_s { + struct bfa_pport_s pport; /* physical port module */ + struct bfa_fcxp_mod_s fcxp_mod; /* fcxp module */ + struct bfa_lps_mod_s lps_mod; /* fcxp module */ + struct bfa_uf_mod_s uf_mod; /* unsolicited frame module */ + struct bfa_rport_mod_s rport_mod; /* remote port module */ + struct bfa_fcpim_mod_s fcpim_mod; /* FCP initiator module */ + struct bfa_sgpg_mod_s sgpg_mod; /* SG page module */ + struct bfa_cee_s cee; /* CEE Module */ + struct bfa_port_s port; /* Physical port module */ +}; + +#endif /* __BFA_MODULES_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_os_inc.h b/drivers/scsi/bfa/bfa_os_inc.h new file mode 100644 index 000000000000..10a89f75fa94 --- /dev/null +++ b/drivers/scsi/bfa/bfa_os_inc.h @@ -0,0 +1,222 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * Contains declarations all OS Specific files needed for BFA layer + */ + +#ifndef __BFA_OS_INC_H__ +#define __BFA_OS_INC_H__ + +#ifndef __KERNEL__ +#include <stdint.h> +#else +#include <linux/types.h> + +#include <linux/version.h> +#include <linux/pci.h> + +#include <linux/dma-mapping.h> +#define SET_MODULE_VERSION(VER) + +#include <linux/idr.h> + +#include <linux/interrupt.h> +#include <linux/cdev.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <linux/vmalloc.h> + +#include <linux/workqueue.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_host.h> + +#include <scsi/scsi_tcq.h> +#include <scsi/scsi_transport_fc.h> +#include <scsi/scsi_transport.h> + +#define BFA_ERR KERN_ERR +#define BFA_WARNING KERN_WARNING +#define BFA_NOTICE KERN_NOTICE +#define BFA_INFO KERN_INFO +#define BFA_DEBUG KERN_DEBUG + +#define LOG_BFAD_INIT 0x00000001 +#define LOG_FCP_IO 0x00000002 + +#ifdef DEBUG +#define BFA_LOG_TRACE(bfad, level, mask, fmt, arg...) \ + BFA_LOG(bfad, level, mask, fmt, ## arg) +#define BFA_DEV_TRACE(bfad, level, fmt, arg...) \ + BFA_DEV_PRINTF(bfad, level, fmt, ## arg) +#define BFA_TRACE(level, fmt, arg...) \ + BFA_PRINTF(level, fmt, ## arg) +#else +#define BFA_LOG_TRACE(bfad, level, mask, fmt, arg...) +#define BFA_DEV_TRACE(bfad, level, fmt, arg...) +#define BFA_TRACE(level, fmt, arg...) +#endif + +#define BFA_ASSERT(p) do { \ + if (!(p)) { \ + printk(KERN_ERR "assert(%s) failed at %s:%d\n", \ + #p, __FILE__, __LINE__); \ + BUG(); \ + } \ +} while (0) + + +#define BFA_LOG(bfad, level, mask, fmt, arg...) \ +do { \ + if (((mask) & (((struct bfad_s *)(bfad))-> \ + cfg_data[cfg_log_mask])) || (level[1] <= '3')) \ + dev_printk(level, &(((struct bfad_s *) \ + (bfad))->pcidev->dev), fmt, ##arg); \ +} while (0) + +#ifndef BFA_DEV_PRINTF +#define BFA_DEV_PRINTF(bfad, level, fmt, arg...) \ + dev_printk(level, &(((struct bfad_s *) \ + (bfad))->pcidev->dev), fmt, ##arg); +#endif + +#define BFA_PRINTF(level, fmt, arg...) \ + printk(level fmt, ##arg); + +int bfa_os_MWB(void *); + +#define bfa_os_mmiowb() mmiowb() + +#define bfa_swap_3b(_x) \ + ((((_x) & 0xff) << 16) | \ + ((_x) & 0x00ff00) | \ + (((_x) & 0xff0000) >> 16)) + +#define bfa_swap_8b(_x) \ + ((((_x) & 0xff00000000000000ull) >> 56) \ + | (((_x) & 0x00ff000000000000ull) >> 40) \ + | (((_x) & 0x0000ff0000000000ull) >> 24) \ + | (((_x) & 0x000000ff00000000ull) >> 8) \ + | (((_x) & 0x00000000ff000000ull) << 8) \ + | (((_x) & 0x0000000000ff0000ull) << 24) \ + | (((_x) & 0x000000000000ff00ull) << 40) \ + | (((_x) & 0x00000000000000ffull) << 56)) + +#define bfa_os_swap32(_x) \ + ((((_x) & 0xff) << 24) | \ + (((_x) & 0x0000ff00) << 8) | \ + (((_x) & 0x00ff0000) >> 8) | \ + (((_x) & 0xff000000) >> 24)) + + +#ifndef __BIGENDIAN +#define bfa_os_htons(_x) ((u16)((((_x) & 0xff00) >> 8) | \ + (((_x) & 0x00ff) << 8))) + +#define bfa_os_htonl(_x) bfa_os_swap32(_x) +#define bfa_os_htonll(_x) bfa_swap_8b(_x) +#define bfa_os_hton3b(_x) bfa_swap_3b(_x) + +#define bfa_os_wtole(_x) (_x) + +#else + +#define bfa_os_htons(_x) (_x) +#define bfa_os_htonl(_x) (_x) +#define bfa_os_hton3b(_x) (_x) +#define bfa_os_htonll(_x) (_x) +#define bfa_os_wtole(_x) bfa_os_swap32(_x) + +#endif + +#define bfa_os_ntohs(_x) bfa_os_htons(_x) +#define bfa_os_ntohl(_x) bfa_os_htonl(_x) +#define bfa_os_ntohll(_x) bfa_os_htonll(_x) +#define bfa_os_ntoh3b(_x) bfa_os_hton3b(_x) + +#define bfa_os_u32(__pa64) ((__pa64) >> 32) + +#define bfa_os_memset memset +#define bfa_os_memcpy memcpy +#define bfa_os_udelay udelay +#define bfa_os_vsprintf vsprintf + +#define bfa_os_assign(__t, __s) __t = __s + +#define bfa_os_addr_t char __iomem * +#define bfa_os_panic() + +#define bfa_os_reg_read(_raddr) bfa_os_wtole(readl(_raddr)) +#define bfa_os_reg_write(_raddr, _val) writel(bfa_os_wtole((_val)), (_raddr)) +#define bfa_os_mem_read(_raddr, _off) \ + bfa_os_ntohl(readl(((_raddr) + (_off)))) +#define bfa_os_mem_write(_raddr, _off, _val) \ + writel(bfa_os_htonl((_val)), ((_raddr) + (_off))) + +#define BFA_TRC_TS(_trcm) \ + ({ \ + struct timeval tv; \ + \ + do_gettimeofday(&tv); \ + (tv.tv_sec*1000000+tv.tv_usec); \ + }) + +struct bfa_log_mod_s; +void bfa_os_printf(struct bfa_log_mod_s *log_mod, u32 msg_id, + const char *fmt, ...); +#endif + +#define boolean_t int + +/** + * For current time stamp, OS API will fill-in + */ +struct bfa_timeval_s { + u32 tv_sec; /* seconds */ + u32 tv_usec; /* microseconds */ +}; + +void bfa_os_gettimeofday(struct bfa_timeval_s *tv); + +static inline void +wwn2str(char *wwn_str, u64 wwn) +{ + union { + u64 wwn; + u8 byte[8]; + } w; + + w.wwn = wwn; + sprintf(wwn_str, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", w.byte[0], + w.byte[1], w.byte[2], w.byte[3], w.byte[4], w.byte[5], + w.byte[6], w.byte[7]); +} + +static inline void +fcid2str(char *fcid_str, u32 fcid) +{ + union { + u32 fcid; + u8 byte[4]; + } f; + + f.fcid = fcid; + sprintf(fcid_str, "%02x:%02x:%02x", f.byte[1], f.byte[2], f.byte[3]); +} + +#endif /* __BFA_OS_INC_H__ */ diff --git a/drivers/scsi/bfa/bfa_port.c b/drivers/scsi/bfa/bfa_port.c new file mode 100644 index 000000000000..cab19028361a --- /dev/null +++ b/drivers/scsi/bfa/bfa_port.c @@ -0,0 +1,460 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <defs/bfa_defs_port.h> +#include <cs/bfa_trc.h> +#include <cs/bfa_log.h> +#include <cs/bfa_debug.h> +#include <port/bfa_port.h> +#include <bfi/bfi.h> +#include <bfi/bfi_port.h> +#include <bfa_ioc.h> +#include <cna/bfa_cna_trcmod.h> + +BFA_TRC_FILE(CNA, PORT); + +#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) +#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc) + +static void +bfa_port_stats_swap(struct bfa_port_s *port, union bfa_pport_stats_u *stats) +{ + u32 *dip = (u32 *) stats; + u32 t0, t1; + int i; + + for (i = 0; i < sizeof(union bfa_pport_stats_u) / sizeof(u32); + i += 2) { + t0 = dip[i]; + t1 = dip[i + 1]; +#ifdef __BIGENDIAN + dip[i] = bfa_os_ntohl(t0); + dip[i + 1] = bfa_os_ntohl(t1); +#else + dip[i] = bfa_os_ntohl(t1); + dip[i + 1] = bfa_os_ntohl(t0); +#endif + } + + /** todo + * QoS stats r also swapped as 64bit; that structure also + * has to use 64 bit counters + */ +} + +/** + * bfa_port_enable_isr() + * + * + * @param[in] port - Pointer to the port module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_port_enable_isr(struct bfa_port_s *port, bfa_status_t status) +{ + bfa_assert(0); +} + +/** + * bfa_port_disable_isr() + * + * + * @param[in] port - Pointer to the port module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_port_disable_isr(struct bfa_port_s *port, bfa_status_t status) +{ + bfa_assert(0); +} + +/** + * bfa_port_get_stats_isr() + * + * + * @param[in] port - Pointer to the Port module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_port_get_stats_isr(struct bfa_port_s *port, bfa_status_t status) +{ + port->stats_status = status; + port->stats_busy = BFA_FALSE; + + if (status == BFA_STATUS_OK) { + memcpy(port->stats, port->stats_dma.kva, + sizeof(union bfa_pport_stats_u)); + bfa_port_stats_swap(port, port->stats); + } + + if (port->stats_cbfn) { + port->stats_cbfn(port->stats_cbarg, status); + port->stats_cbfn = NULL; + } +} + +/** + * bfa_port_clear_stats_isr() + * + * + * @param[in] port - Pointer to the Port module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_port_clear_stats_isr(struct bfa_port_s *port, bfa_status_t status) +{ + port->stats_status = status; + port->stats_busy = BFA_FALSE; + + if (port->stats_cbfn) { + port->stats_cbfn(port->stats_cbarg, status); + port->stats_cbfn = NULL; + } +} + +/** + * bfa_port_isr() + * + * + * @param[in] Pointer to the Port module data structure. + * + * @return void + */ +static void +bfa_port_isr(void *cbarg, struct bfi_mbmsg_s *m) +{ + struct bfa_port_s *port = (struct bfa_port_s *)cbarg; + union bfi_port_i2h_msg_u *i2hmsg; + + i2hmsg = (union bfi_port_i2h_msg_u *)m; + bfa_trc(port, m->mh.msg_id); + + switch (m->mh.msg_id) { + case BFI_PORT_I2H_ENABLE_RSP: + if (port->endis_pending == BFA_FALSE) + break; + bfa_port_enable_isr(port, i2hmsg->enable_rsp.status); + break; + + case BFI_PORT_I2H_DISABLE_RSP: + if (port->endis_pending == BFA_FALSE) + break; + bfa_port_disable_isr(port, i2hmsg->disable_rsp.status); + break; + + case BFI_PORT_I2H_GET_STATS_RSP: + /* + * Stats busy flag is still set? (may be cmd timed out) + */ + if (port->stats_busy == BFA_FALSE) + break; + bfa_port_get_stats_isr(port, i2hmsg->getstats_rsp.status); + break; + + case BFI_PORT_I2H_CLEAR_STATS_RSP: + if (port->stats_busy == BFA_FALSE) + break; + bfa_port_clear_stats_isr(port, i2hmsg->clearstats_rsp.status); + break; + + default: + bfa_assert(0); + } +} + +/** + * bfa_port_meminfo() + * + * + * @param[in] void + * + * @return Size of DMA region + */ +u32 +bfa_port_meminfo(void) +{ + return BFA_ROUNDUP(sizeof(union bfa_pport_stats_u), BFA_DMA_ALIGN_SZ); +} + +/** + * bfa_port_mem_claim() + * + * + * @param[in] port Port module pointer + * dma_kva Kernel Virtual Address of Port DMA Memory + * dma_pa Physical Address of Port DMA Memory + * + * @return void + */ +void +bfa_port_mem_claim(struct bfa_port_s *port, u8 *dma_kva, u64 dma_pa) +{ + port->stats_dma.kva = dma_kva; + port->stats_dma.pa = dma_pa; +} + +/** + * bfa_port_enable() + * + * Send the Port enable request to the f/w + * + * @param[in] Pointer to the Port module data structure. + * + * @return Status + */ +bfa_status_t +bfa_port_enable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn, + void *cbarg) +{ + struct bfi_port_generic_req_s *m; + + /** todo Not implemented */ + bfa_assert(0); + + if (!bfa_ioc_is_operational(port->ioc)) { + bfa_trc(port, BFA_STATUS_IOC_FAILURE); + return BFA_STATUS_IOC_FAILURE; + } + + if (port->endis_pending) { + bfa_trc(port, BFA_STATUS_DEVBUSY); + return BFA_STATUS_DEVBUSY; + } + + m = (struct bfi_port_generic_req_s *)port->endis_mb.msg; + + port->msgtag++; + port->endis_cbfn = cbfn; + port->endis_cbarg = cbarg; + port->endis_pending = BFA_TRUE; + + bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_ENABLE_REQ, + bfa_ioc_portid(port->ioc)); + bfa_ioc_mbox_queue(port->ioc, &port->endis_mb); + + return BFA_STATUS_OK; +} + +/** + * bfa_port_disable() + * + * Send the Port disable request to the f/w + * + * @param[in] Pointer to the Port module data structure. + * + * @return Status + */ +bfa_status_t +bfa_port_disable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn, + void *cbarg) +{ + struct bfi_port_generic_req_s *m; + + /** todo Not implemented */ + bfa_assert(0); + + if (!bfa_ioc_is_operational(port->ioc)) { + bfa_trc(port, BFA_STATUS_IOC_FAILURE); + return BFA_STATUS_IOC_FAILURE; + } + + if (port->endis_pending) { + bfa_trc(port, BFA_STATUS_DEVBUSY); + return BFA_STATUS_DEVBUSY; + } + + m = (struct bfi_port_generic_req_s *)port->endis_mb.msg; + + port->msgtag++; + port->endis_cbfn = cbfn; + port->endis_cbarg = cbarg; + port->endis_pending = BFA_TRUE; + + bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_DISABLE_REQ, + bfa_ioc_portid(port->ioc)); + bfa_ioc_mbox_queue(port->ioc, &port->endis_mb); + + return BFA_STATUS_OK; +} + +/** + * bfa_port_get_stats() + * + * Send the request to the f/w to fetch Port statistics. + * + * @param[in] Pointer to the Port module data structure. + * + * @return Status + */ +bfa_status_t +bfa_port_get_stats(struct bfa_port_s *port, union bfa_pport_stats_u *stats, + bfa_port_stats_cbfn_t cbfn, void *cbarg) +{ + struct bfi_port_get_stats_req_s *m; + + if (!bfa_ioc_is_operational(port->ioc)) { + bfa_trc(port, BFA_STATUS_IOC_FAILURE); + return BFA_STATUS_IOC_FAILURE; + } + + if (port->stats_busy) { + bfa_trc(port, BFA_STATUS_DEVBUSY); + return BFA_STATUS_DEVBUSY; + } + + m = (struct bfi_port_get_stats_req_s *)port->stats_mb.msg; + + port->stats = stats; + port->stats_cbfn = cbfn; + port->stats_cbarg = cbarg; + port->stats_busy = BFA_TRUE; + bfa_dma_be_addr_set(m->dma_addr, port->stats_dma.pa); + + bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_GET_STATS_REQ, + bfa_ioc_portid(port->ioc)); + bfa_ioc_mbox_queue(port->ioc, &port->stats_mb); + + return BFA_STATUS_OK; +} + +/** + * bfa_port_clear_stats() + * + * + * @param[in] Pointer to the Port module data structure. + * + * @return Status + */ +bfa_status_t +bfa_port_clear_stats(struct bfa_port_s *port, bfa_port_stats_cbfn_t cbfn, + void *cbarg) +{ + struct bfi_port_generic_req_s *m; + + if (!bfa_ioc_is_operational(port->ioc)) { + bfa_trc(port, BFA_STATUS_IOC_FAILURE); + return BFA_STATUS_IOC_FAILURE; + } + + if (port->stats_busy) { + bfa_trc(port, BFA_STATUS_DEVBUSY); + return BFA_STATUS_DEVBUSY; + } + + m = (struct bfi_port_generic_req_s *)port->stats_mb.msg; + + port->stats_cbfn = cbfn; + port->stats_cbarg = cbarg; + port->stats_busy = BFA_TRUE; + + bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_CLEAR_STATS_REQ, + bfa_ioc_portid(port->ioc)); + bfa_ioc_mbox_queue(port->ioc, &port->stats_mb); + + return BFA_STATUS_OK; +} + +/** + * bfa_port_hbfail() + * + * + * @param[in] Pointer to the Port module data structure. + * + * @return void + */ +void +bfa_port_hbfail(void *arg) +{ + struct bfa_port_s *port = (struct bfa_port_s *)arg; + + /* + * Fail any pending get_stats/clear_stats requests + */ + if (port->stats_busy) { + if (port->stats_cbfn) + port->stats_cbfn(port->dev, BFA_STATUS_FAILED); + port->stats_cbfn = NULL; + port->stats_busy = BFA_FALSE; + } + + /* + * Clear any enable/disable is pending + */ + if (port->endis_pending) { + if (port->endis_cbfn) + port->endis_cbfn(port->dev, BFA_STATUS_FAILED); + port->endis_cbfn = NULL; + port->endis_pending = BFA_FALSE; + } +} + +/** + * bfa_port_attach() + * + * + * @param[in] port - Pointer to the Port module data structure + * ioc - Pointer to the ioc module data structure + * dev - Pointer to the device driver module data structure + * The device driver specific mbox ISR functions have + * this pointer as one of the parameters. + * trcmod - + * logmod - + * + * @return void + */ +void +bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, void *dev, + struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod) +{ + bfa_assert(port); + + port->dev = dev; + port->ioc = ioc; + port->trcmod = trcmod; + port->logmod = logmod; + + port->stats_busy = port->endis_pending = BFA_FALSE; + port->stats_cbfn = port->endis_cbfn = NULL; + + bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port); + bfa_ioc_hbfail_init(&port->hbfail, bfa_port_hbfail, port); + bfa_ioc_hbfail_register(port->ioc, &port->hbfail); + + bfa_trc(port, 0); +} + +/** + * bfa_port_detach() + * + * + * @param[in] port - Pointer to the Port module data structure + * + * @return void + */ +void +bfa_port_detach(struct bfa_port_s *port) +{ + bfa_trc(port, 0); +} diff --git a/drivers/scsi/bfa/bfa_port_priv.h b/drivers/scsi/bfa/bfa_port_priv.h new file mode 100644 index 000000000000..4b97e2759908 --- /dev/null +++ b/drivers/scsi/bfa/bfa_port_priv.h @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_PORT_PRIV_H__ +#define __BFA_PORT_PRIV_H__ + +#include <defs/bfa_defs_pport.h> +#include <bfi/bfi_pport.h> +#include "bfa_intr_priv.h" + +/** + * BFA physical port data structure + */ +struct bfa_pport_s { + struct bfa_s *bfa; /* parent BFA instance */ + bfa_sm_t sm; /* port state machine */ + wwn_t nwwn; /* node wwn of physical port */ + wwn_t pwwn; /* port wwn of physical oprt */ + enum bfa_pport_speed speed_sup; + /* supported speeds */ + enum bfa_pport_speed speed; /* current speed */ + enum bfa_pport_topology topology; /* current topology */ + u8 myalpa; /* my ALPA in LOOP topology */ + u8 rsvd[3]; + struct bfa_pport_cfg_s cfg; /* current port configuration */ + struct bfa_qos_attr_s qos_attr; /* QoS Attributes */ + struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */ + struct bfa_reqq_wait_s reqq_wait; + /* to wait for room in reqq */ + struct bfa_reqq_wait_s svcreq_wait; + /* to wait for room in reqq */ + struct bfa_reqq_wait_s stats_reqq_wait; + /* to wait for room in reqq (stats) */ + void *event_cbarg; + void (*event_cbfn) (void *cbarg, + bfa_pport_event_t event); + union { + union bfi_pport_i2h_msg_u i2hmsg; + } event_arg; + void *bfad; /* BFA driver handle */ + struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */ + enum bfa_pport_linkstate hcb_event; + /* link event for callback */ + u32 msgtag; /* fimrware msg tag for reply */ + u8 *stats_kva; + u64 stats_pa; + union bfa_pport_stats_u *stats; /* pport stats */ + u32 mypid : 24; + u32 rsvd_b : 8; + struct bfa_timer_s timer; /* timer */ + union bfa_pport_stats_u *stats_ret; + /* driver stats location */ + bfa_status_t stats_status; + /* stats/statsclr status */ + bfa_boolean_t stats_busy; + /* outstanding stats/statsclr */ + bfa_boolean_t stats_qfull; + bfa_boolean_t diag_busy; + /* diag busy status */ + bfa_boolean_t beacon; + /* port beacon status */ + bfa_boolean_t link_e2e_beacon; + /* link beacon status */ + bfa_cb_pport_t stats_cbfn; + /* driver callback function */ + void *stats_cbarg; + /* *!< user callback arg */ +}; + +#define BFA_PORT_MOD(__bfa) (&(__bfa)->modules.pport) + +/* + * public functions + */ +void bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +#endif /* __BFA_PORT_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_priv.h b/drivers/scsi/bfa/bfa_priv.h new file mode 100644 index 000000000000..0747a6b26f7b --- /dev/null +++ b/drivers/scsi/bfa/bfa_priv.h @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_PRIV_H__ +#define __BFA_PRIV_H__ + +#include "bfa_iocfc.h" +#include "bfa_intr_priv.h" +#include "bfa_trcmod_priv.h" +#include "bfa_modules_priv.h" +#include "bfa_fwimg_priv.h" +#include <cs/bfa_log.h> +#include <bfa_timer.h> + +/** + * Macro to define a new BFA module + */ +#define BFA_MODULE(__mod) \ + static void bfa_ ## __mod ## _meminfo( \ + struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, \ + u32 *dm_len); \ + static void bfa_ ## __mod ## _attach(struct bfa_s *bfa, \ + void *bfad, struct bfa_iocfc_cfg_s *cfg, \ + struct bfa_meminfo_s *meminfo, \ + struct bfa_pcidev_s *pcidev); \ + static void bfa_ ## __mod ## _initdone(struct bfa_s *bfa); \ + static void bfa_ ## __mod ## _detach(struct bfa_s *bfa); \ + static void bfa_ ## __mod ## _start(struct bfa_s *bfa); \ + static void bfa_ ## __mod ## _stop(struct bfa_s *bfa); \ + static void bfa_ ## __mod ## _iocdisable(struct bfa_s *bfa); \ + \ + extern struct bfa_module_s hal_mod_ ## __mod; \ + struct bfa_module_s hal_mod_ ## __mod = { \ + bfa_ ## __mod ## _meminfo, \ + bfa_ ## __mod ## _attach, \ + bfa_ ## __mod ## _initdone, \ + bfa_ ## __mod ## _detach, \ + bfa_ ## __mod ## _start, \ + bfa_ ## __mod ## _stop, \ + bfa_ ## __mod ## _iocdisable, \ + } + +#define BFA_CACHELINE_SZ (256) + +/** + * Structure used to interact between different BFA sub modules + * + * Each sub module needs to implement only the entry points relevant to it (and + * can leave entry points as NULL) + */ +struct bfa_module_s { + void (*meminfo) (struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len); + void (*attach) (struct bfa_s *bfa, void *bfad, + struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, + struct bfa_pcidev_s *pcidev); + void (*initdone) (struct bfa_s *bfa); + void (*detach) (struct bfa_s *bfa); + void (*start) (struct bfa_s *bfa); + void (*stop) (struct bfa_s *bfa); + void (*iocdisable) (struct bfa_s *bfa); +}; + +extern struct bfa_module_s *hal_mods[]; + +struct bfa_s { + void *bfad; /* BFA driver instance */ + struct bfa_aen_s *aen; /* AEN module */ + struct bfa_plog_s *plog; /* portlog buffer */ + struct bfa_log_mod_s *logm; /* driver logging modulen */ + struct bfa_trc_mod_s *trcmod; /* driver tracing */ + struct bfa_ioc_s ioc; /* IOC module */ + struct bfa_iocfc_s iocfc; /* IOCFC module */ + struct bfa_timer_mod_s timer_mod; /* timer module */ + struct bfa_modules_s modules; /* BFA modules */ + struct list_head comp_q; /* pending completions */ + bfa_boolean_t rme_process; /* RME processing enabled */ + struct list_head reqq_waitq[BFI_IOC_MAX_CQS]; + bfa_boolean_t fcs; /* FCS is attached to BFA */ + struct bfa_msix_s msix; +}; + +extern bfa_isr_func_t bfa_isrs[BFI_MC_MAX]; +extern bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[]; +extern bfa_boolean_t bfa_auto_recover; +extern struct bfa_module_s hal_mod_flash; +extern struct bfa_module_s hal_mod_fcdiag; +extern struct bfa_module_s hal_mod_sgpg; +extern struct bfa_module_s hal_mod_pport; +extern struct bfa_module_s hal_mod_fcxp; +extern struct bfa_module_s hal_mod_lps; +extern struct bfa_module_s hal_mod_uf; +extern struct bfa_module_s hal_mod_rport; +extern struct bfa_module_s hal_mod_fcpim; +extern struct bfa_module_s hal_mod_pbind; + +#endif /* __BFA_PRIV_H__ */ + diff --git a/drivers/scsi/bfa/bfa_rport.c b/drivers/scsi/bfa/bfa_rport.c new file mode 100644 index 000000000000..16da77a8db28 --- /dev/null +++ b/drivers/scsi/bfa/bfa_rport.c @@ -0,0 +1,911 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include <cs/bfa_debug.h> +#include <bfi/bfi_rport.h> +#include "bfa_intr_priv.h" + +BFA_TRC_FILE(HAL, RPORT); +BFA_MODULE(rport); + +#define bfa_rport_offline_cb(__rp) do { \ + if ((__rp)->bfa->fcs) \ + bfa_cb_rport_offline((__rp)->rport_drv); \ + else { \ + bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \ + __bfa_cb_rport_offline, (__rp)); \ + } \ +} while (0) + +#define bfa_rport_online_cb(__rp) do { \ + if ((__rp)->bfa->fcs) \ + bfa_cb_rport_online((__rp)->rport_drv); \ + else { \ + bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \ + __bfa_cb_rport_online, (__rp)); \ + } \ +} while (0) + +/* + * forward declarations + */ +static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod); +static void bfa_rport_free(struct bfa_rport_s *rport); +static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp); +static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp); +static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp); +static void __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete); + +/** + * bfa_rport_sm BFA rport state machine + */ + + +enum bfa_rport_event { + BFA_RPORT_SM_CREATE = 1, /* rport create event */ + BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */ + BFA_RPORT_SM_ONLINE = 3, /* rport is online */ + BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */ + BFA_RPORT_SM_FWRSP = 5, /* firmware response */ + BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */ + BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */ + BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */ + BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */ +}; + +static void bfa_rport_sm_uninit(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_created(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_online(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_offline(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_deleting(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, + enum bfa_rport_event event); +static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, + enum bfa_rport_event event); + +/** + * Beginning state, only online event expected. + */ +static void +bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_CREATE: + bfa_stats(rp, sm_un_cr); + bfa_sm_set_state(rp, bfa_rport_sm_created); + break; + + default: + bfa_stats(rp, sm_un_unexp); + bfa_assert(0); + } +} + +static void +bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_ONLINE: + bfa_stats(rp, sm_cr_on); + if (bfa_rport_send_fwcreate(rp)) + bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); + else + bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_cr_del); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_rport_free(rp); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_cr_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + break; + + default: + bfa_stats(rp, sm_cr_unexp); + bfa_assert(0); + } +} + +/** + * Waiting for rport create response from firmware. + */ +static void +bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_FWRSP: + bfa_stats(rp, sm_fwc_rsp); + bfa_sm_set_state(rp, bfa_rport_sm_online); + bfa_rport_online_cb(rp); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_fwc_del); + bfa_sm_set_state(rp, bfa_rport_sm_delete_pending); + break; + + case BFA_RPORT_SM_OFFLINE: + bfa_stats(rp, sm_fwc_off); + bfa_sm_set_state(rp, bfa_rport_sm_offline_pending); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_fwc_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + break; + + default: + bfa_stats(rp, sm_fwc_unexp); + bfa_assert(0); + } +} + +/** + * Request queue is full, awaiting queue resume to send create request. + */ +static void +bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_QRESUME: + bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); + bfa_rport_send_fwcreate(rp); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_fwc_del); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_reqq_wcancel(&rp->reqq_wait); + bfa_rport_free(rp); + break; + + case BFA_RPORT_SM_OFFLINE: + bfa_stats(rp, sm_fwc_off); + bfa_sm_set_state(rp, bfa_rport_sm_offline); + bfa_reqq_wcancel(&rp->reqq_wait); + bfa_rport_offline_cb(rp); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_fwc_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + bfa_reqq_wcancel(&rp->reqq_wait); + break; + + default: + bfa_stats(rp, sm_fwc_unexp); + bfa_assert(0); + } +} + +/** + * Online state - normal parking state. + */ +static void +bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + struct bfi_rport_qos_scn_s *qos_scn; + + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_OFFLINE: + bfa_stats(rp, sm_on_off); + if (bfa_rport_send_fwdelete(rp)) + bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); + else + bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_on_del); + if (bfa_rport_send_fwdelete(rp)) + bfa_sm_set_state(rp, bfa_rport_sm_deleting); + else + bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_on_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + break; + + case BFA_RPORT_SM_SET_SPEED: + bfa_rport_send_fwspeed(rp); + break; + + case BFA_RPORT_SM_QOS_SCN: + qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg; + rp->qos_attr = qos_scn->new_qos_attr; + bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id); + bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id); + bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority); + bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority); + + qos_scn->old_qos_attr.qos_flow_id = + bfa_os_ntohl(qos_scn->old_qos_attr.qos_flow_id); + qos_scn->new_qos_attr.qos_flow_id = + bfa_os_ntohl(qos_scn->new_qos_attr.qos_flow_id); + qos_scn->old_qos_attr.qos_priority = + bfa_os_ntohl(qos_scn->old_qos_attr.qos_priority); + qos_scn->new_qos_attr.qos_priority = + bfa_os_ntohl(qos_scn->new_qos_attr.qos_priority); + + if (qos_scn->old_qos_attr.qos_flow_id != + qos_scn->new_qos_attr.qos_flow_id) + bfa_cb_rport_qos_scn_flowid(rp->rport_drv, + qos_scn->old_qos_attr, + qos_scn->new_qos_attr); + if (qos_scn->old_qos_attr.qos_priority != + qos_scn->new_qos_attr.qos_priority) + bfa_cb_rport_qos_scn_prio(rp->rport_drv, + qos_scn->old_qos_attr, + qos_scn->new_qos_attr); + break; + + default: + bfa_stats(rp, sm_on_unexp); + bfa_assert(0); + } +} + +/** + * Firmware rport is being deleted - awaiting f/w response. + */ +static void +bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_FWRSP: + bfa_stats(rp, sm_fwd_rsp); + bfa_sm_set_state(rp, bfa_rport_sm_offline); + bfa_rport_offline_cb(rp); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_fwd_del); + bfa_sm_set_state(rp, bfa_rport_sm_deleting); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_fwd_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + bfa_rport_offline_cb(rp); + break; + + default: + bfa_stats(rp, sm_fwd_unexp); + bfa_assert(0); + } +} + +static void +bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_QRESUME: + bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); + bfa_rport_send_fwdelete(rp); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_fwd_del); + bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_fwd_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + bfa_reqq_wcancel(&rp->reqq_wait); + bfa_rport_offline_cb(rp); + break; + + default: + bfa_stats(rp, sm_fwd_unexp); + bfa_assert(0); + } +} + +/** + * Offline state. + */ +static void +bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_off_del); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_rport_free(rp); + break; + + case BFA_RPORT_SM_ONLINE: + bfa_stats(rp, sm_off_on); + if (bfa_rport_send_fwcreate(rp)) + bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); + else + bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_off_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + break; + + default: + bfa_stats(rp, sm_off_unexp); + bfa_assert(0); + } +} + +/** + * Rport is deleted, waiting for firmware response to delete. + */ +static void +bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_FWRSP: + bfa_stats(rp, sm_del_fwrsp); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_rport_free(rp); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_del_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_rport_free(rp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_QRESUME: + bfa_stats(rp, sm_del_fwrsp); + bfa_sm_set_state(rp, bfa_rport_sm_deleting); + bfa_rport_send_fwdelete(rp); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_del_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_reqq_wcancel(&rp->reqq_wait); + bfa_rport_free(rp); + break; + + default: + bfa_assert(0); + } +} + +/** + * Waiting for rport create response from firmware. A delete is pending. + */ +static void +bfa_rport_sm_delete_pending(struct bfa_rport_s *rp, + enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_FWRSP: + bfa_stats(rp, sm_delp_fwrsp); + if (bfa_rport_send_fwdelete(rp)) + bfa_sm_set_state(rp, bfa_rport_sm_deleting); + else + bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_delp_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_rport_free(rp); + break; + + default: + bfa_stats(rp, sm_delp_unexp); + bfa_assert(0); + } +} + +/** + * Waiting for rport create response from firmware. Rport offline is pending. + */ +static void +bfa_rport_sm_offline_pending(struct bfa_rport_s *rp, + enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_FWRSP: + bfa_stats(rp, sm_offp_fwrsp); + if (bfa_rport_send_fwdelete(rp)) + bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); + else + bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_offp_del); + bfa_sm_set_state(rp, bfa_rport_sm_delete_pending); + break; + + case BFA_RPORT_SM_HWFAIL: + bfa_stats(rp, sm_offp_hwf); + bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); + break; + + default: + bfa_stats(rp, sm_offp_unexp); + bfa_assert(0); + } +} + +/** + * IOC h/w failed. + */ +static void +bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event) +{ + bfa_trc(rp->bfa, rp->rport_tag); + bfa_trc(rp->bfa, event); + + switch (event) { + case BFA_RPORT_SM_OFFLINE: + bfa_stats(rp, sm_iocd_off); + bfa_rport_offline_cb(rp); + break; + + case BFA_RPORT_SM_DELETE: + bfa_stats(rp, sm_iocd_del); + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + bfa_rport_free(rp); + break; + + case BFA_RPORT_SM_ONLINE: + bfa_stats(rp, sm_iocd_on); + if (bfa_rport_send_fwcreate(rp)) + bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); + else + bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); + break; + + case BFA_RPORT_SM_HWFAIL: + break; + + default: + bfa_stats(rp, sm_iocd_unexp); + bfa_assert(0); + } +} + + + +/** + * bfa_rport_private BFA rport private functions + */ + +static void +__bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_rport_s *rp = cbarg; + + if (complete) + bfa_cb_rport_online(rp->rport_drv); +} + +static void +__bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_rport_s *rp = cbarg; + + if (complete) + bfa_cb_rport_offline(rp->rport_drv); +} + +static void +bfa_rport_qresume(void *cbarg) +{ + struct bfa_rport_s *rp = cbarg; + + bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME); +} + +static void +bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + if (cfg->fwcfg.num_rports < BFA_RPORT_MIN) + cfg->fwcfg.num_rports = BFA_RPORT_MIN; + + *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s); +} + +static void +bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa); + struct bfa_rport_s *rp; + u16 i; + + INIT_LIST_HEAD(&mod->rp_free_q); + INIT_LIST_HEAD(&mod->rp_active_q); + + rp = (struct bfa_rport_s *) bfa_meminfo_kva(meminfo); + mod->rps_list = rp; + mod->num_rports = cfg->fwcfg.num_rports; + + bfa_assert(mod->num_rports + && !(mod->num_rports & (mod->num_rports - 1))); + + for (i = 0; i < mod->num_rports; i++, rp++) { + bfa_os_memset(rp, 0, sizeof(struct bfa_rport_s)); + rp->bfa = bfa; + rp->rport_tag = i; + bfa_sm_set_state(rp, bfa_rport_sm_uninit); + + /** + * - is unused + */ + if (i) + list_add_tail(&rp->qe, &mod->rp_free_q); + + bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp); + } + + /** + * consume memory + */ + bfa_meminfo_kva(meminfo) = (u8 *) rp; +} + +static void +bfa_rport_initdone(struct bfa_s *bfa) +{ +} + +static void +bfa_rport_detach(struct bfa_s *bfa) +{ +} + +static void +bfa_rport_start(struct bfa_s *bfa) +{ +} + +static void +bfa_rport_stop(struct bfa_s *bfa) +{ +} + +static void +bfa_rport_iocdisable(struct bfa_s *bfa) +{ + struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa); + struct bfa_rport_s *rport; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &mod->rp_active_q) { + rport = (struct bfa_rport_s *) qe; + bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL); + } +} + +static struct bfa_rport_s * +bfa_rport_alloc(struct bfa_rport_mod_s *mod) +{ + struct bfa_rport_s *rport; + + bfa_q_deq(&mod->rp_free_q, &rport); + if (rport) + list_add_tail(&rport->qe, &mod->rp_active_q); + + return (rport); +} + +static void +bfa_rport_free(struct bfa_rport_s *rport) +{ + struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa); + + bfa_assert(bfa_q_is_on_q(&mod->rp_active_q, rport)); + list_del(&rport->qe); + list_add_tail(&rport->qe, &mod->rp_free_q); +} + +static bfa_boolean_t +bfa_rport_send_fwcreate(struct bfa_rport_s *rp) +{ + struct bfi_rport_create_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); + if (!m) { + bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ, + bfa_lpuid(rp->bfa)); + m->bfa_handle = rp->rport_tag; + m->max_frmsz = bfa_os_htons(rp->rport_info.max_frmsz); + m->pid = rp->rport_info.pid; + m->lp_tag = rp->rport_info.lp_tag; + m->local_pid = rp->rport_info.local_pid; + m->fc_class = rp->rport_info.fc_class; + m->vf_en = rp->rport_info.vf_en; + m->vf_id = rp->rport_info.vf_id; + m->cisc = rp->rport_info.cisc; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT); + return BFA_TRUE; +} + +static bfa_boolean_t +bfa_rport_send_fwdelete(struct bfa_rport_s *rp) +{ + struct bfi_rport_delete_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); + if (!m) { + bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ, + bfa_lpuid(rp->bfa)); + m->fw_handle = rp->fw_handle; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT); + return BFA_TRUE; +} + +static bfa_boolean_t +bfa_rport_send_fwspeed(struct bfa_rport_s *rp) +{ + struct bfa_rport_speed_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); + if (!m) { + bfa_trc(rp->bfa, rp->rport_info.speed); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ, + bfa_lpuid(rp->bfa)); + m->fw_handle = rp->fw_handle; + m->speed = (u8)rp->rport_info.speed; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT); + return BFA_TRUE; +} + + + +/** + * bfa_rport_public + */ + +/** + * Rport interrupt processing. + */ +void +bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + union bfi_rport_i2h_msg_u msg; + struct bfa_rport_s *rp; + + bfa_trc(bfa, m->mhdr.msg_id); + + msg.msg = m; + + switch (m->mhdr.msg_id) { + case BFI_RPORT_I2H_CREATE_RSP: + rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle); + rp->fw_handle = msg.create_rsp->fw_handle; + rp->qos_attr = msg.create_rsp->qos_attr; + bfa_assert(msg.create_rsp->status == BFA_STATUS_OK); + bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); + break; + + case BFI_RPORT_I2H_DELETE_RSP: + rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle); + bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK); + bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); + break; + + case BFI_RPORT_I2H_QOS_SCN: + rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle); + rp->event_arg.fw_msg = msg.qos_scn_evt; + bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN); + break; + + default: + bfa_trc(bfa, m->mhdr.msg_id); + bfa_assert(0); + } +} + + + +/** + * bfa_rport_api + */ + +struct bfa_rport_s * +bfa_rport_create(struct bfa_s *bfa, void *rport_drv) +{ + struct bfa_rport_s *rp; + + rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa)); + + if (rp == NULL) + return (NULL); + + rp->bfa = bfa; + rp->rport_drv = rport_drv; + bfa_rport_clear_stats(rp); + + bfa_assert(bfa_sm_cmp_state(rp, bfa_rport_sm_uninit)); + bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE); + + return (rp); +} + +void +bfa_rport_delete(struct bfa_rport_s *rport) +{ + bfa_sm_send_event(rport, BFA_RPORT_SM_DELETE); +} + +void +bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info) +{ + bfa_assert(rport_info->max_frmsz != 0); + + /** + * Some JBODs are seen to be not setting PDU size correctly in PLOGI + * responses. Default to minimum size. + */ + if (rport_info->max_frmsz == 0) { + bfa_trc(rport->bfa, rport->rport_tag); + rport_info->max_frmsz = FC_MIN_PDUSZ; + } + + bfa_os_assign(rport->rport_info, *rport_info); + bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE); +} + +void +bfa_rport_offline(struct bfa_rport_s *rport) +{ + bfa_sm_send_event(rport, BFA_RPORT_SM_OFFLINE); +} + +void +bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_pport_speed speed) +{ + bfa_assert(speed != 0); + bfa_assert(speed != BFA_PPORT_SPEED_AUTO); + + rport->rport_info.speed = speed; + bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED); +} + +void +bfa_rport_get_stats(struct bfa_rport_s *rport, + struct bfa_rport_hal_stats_s *stats) +{ + *stats = rport->stats; +} + +void +bfa_rport_get_qos_attr(struct bfa_rport_s *rport, + struct bfa_rport_qos_attr_s *qos_attr) +{ + qos_attr->qos_priority = bfa_os_ntohl(rport->qos_attr.qos_priority); + qos_attr->qos_flow_id = bfa_os_ntohl(rport->qos_attr.qos_flow_id); + +} + +void +bfa_rport_clear_stats(struct bfa_rport_s *rport) +{ + bfa_os_memset(&rport->stats, 0, sizeof(rport->stats)); +} + + diff --git a/drivers/scsi/bfa/bfa_rport_priv.h b/drivers/scsi/bfa/bfa_rport_priv.h new file mode 100644 index 000000000000..6490ce2e990d --- /dev/null +++ b/drivers/scsi/bfa/bfa_rport_priv.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_RPORT_PRIV_H__ +#define __BFA_RPORT_PRIV_H__ + +#include <bfa_svc.h> + +#define BFA_RPORT_MIN 4 + +struct bfa_rport_mod_s { + struct bfa_rport_s *rps_list; /* list of rports */ + struct list_head rp_free_q; /* free bfa_rports */ + struct list_head rp_active_q; /* free bfa_rports */ + u16 num_rports; /* number of rports */ +}; + +#define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod) + +/** + * Convert rport tag to RPORT + */ +#define BFA_RPORT_FROM_TAG(__bfa, _tag) \ + (BFA_RPORT_MOD(__bfa)->rps_list + \ + ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1))) + +/* + * external functions + */ +void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +#endif /* __BFA_RPORT_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_sgpg.c b/drivers/scsi/bfa/bfa_sgpg.c new file mode 100644 index 000000000000..279d8f9b8907 --- /dev/null +++ b/drivers/scsi/bfa/bfa_sgpg.c @@ -0,0 +1,231 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> + +BFA_TRC_FILE(HAL, SGPG); +BFA_MODULE(sgpg); + +/** + * bfa_sgpg_mod BFA SGPG Mode module + */ + +/** + * Compute and return memory needed by FCP(im) module. + */ +static void +bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN) + cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN; + + *km_len += (cfg->drvcfg.num_sgpgs + 1) * sizeof(struct bfa_sgpg_s); + *dm_len += (cfg->drvcfg.num_sgpgs + 1) * sizeof(struct bfi_sgpg_s); +} + + +static void +bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *minfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); + int i; + struct bfa_sgpg_s *hsgpg; + struct bfi_sgpg_s *sgpg; + u64 align_len; + + union { + u64 pa; + union bfi_addr_u addr; + } sgpg_pa; + + INIT_LIST_HEAD(&mod->sgpg_q); + INIT_LIST_HEAD(&mod->sgpg_wait_q); + + bfa_trc(bfa, cfg->drvcfg.num_sgpgs); + + mod->num_sgpgs = cfg->drvcfg.num_sgpgs; + mod->sgpg_arr_pa = bfa_meminfo_dma_phys(minfo); + align_len = (BFA_SGPG_ROUNDUP(mod->sgpg_arr_pa) - mod->sgpg_arr_pa); + mod->sgpg_arr_pa += align_len; + mod->hsgpg_arr = (struct bfa_sgpg_s *) (bfa_meminfo_kva(minfo) + + align_len); + mod->sgpg_arr = (struct bfi_sgpg_s *) (bfa_meminfo_dma_virt(minfo) + + align_len); + + hsgpg = mod->hsgpg_arr; + sgpg = mod->sgpg_arr; + sgpg_pa.pa = mod->sgpg_arr_pa; + mod->free_sgpgs = mod->num_sgpgs; + + bfa_assert(!(sgpg_pa.pa & (sizeof(struct bfi_sgpg_s) - 1))); + + for (i = 0; i < mod->num_sgpgs; i++) { + bfa_os_memset(hsgpg, 0, sizeof(*hsgpg)); + bfa_os_memset(sgpg, 0, sizeof(*sgpg)); + + hsgpg->sgpg = sgpg; + hsgpg->sgpg_pa = sgpg_pa.addr; + list_add_tail(&hsgpg->qe, &mod->sgpg_q); + + hsgpg++; + sgpg++; + sgpg_pa.pa += sizeof(struct bfi_sgpg_s); + } + + bfa_meminfo_kva(minfo) = (u8 *) hsgpg; + bfa_meminfo_dma_virt(minfo) = (u8 *) sgpg; + bfa_meminfo_dma_phys(minfo) = sgpg_pa.pa; +} + +static void +bfa_sgpg_initdone(struct bfa_s *bfa) +{ +} + +static void +bfa_sgpg_detach(struct bfa_s *bfa) +{ +} + +static void +bfa_sgpg_start(struct bfa_s *bfa) +{ +} + +static void +bfa_sgpg_stop(struct bfa_s *bfa) +{ +} + +static void +bfa_sgpg_iocdisable(struct bfa_s *bfa) +{ +} + + + +/** + * bfa_sgpg_public BFA SGPG public functions + */ + +bfa_status_t +bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs) +{ + struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); + struct bfa_sgpg_s *hsgpg; + int i; + + bfa_trc_fp(bfa, nsgpgs); + + if (mod->free_sgpgs < nsgpgs) + return BFA_STATUS_ENOMEM; + + for (i = 0; i < nsgpgs; i++) { + bfa_q_deq(&mod->sgpg_q, &hsgpg); + bfa_assert(hsgpg); + list_add_tail(&hsgpg->qe, sgpg_q); + } + + mod->free_sgpgs -= nsgpgs; + return BFA_STATUS_OK; +} + +void +bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg) +{ + struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); + struct bfa_sgpg_wqe_s *wqe; + + bfa_trc_fp(bfa, nsgpg); + + mod->free_sgpgs += nsgpg; + bfa_assert(mod->free_sgpgs <= mod->num_sgpgs); + + list_splice_tail_init(sgpg_q, &mod->sgpg_q); + + if (list_empty(&mod->sgpg_wait_q)) + return; + + /** + * satisfy as many waiting requests as possible + */ + do { + wqe = bfa_q_first(&mod->sgpg_wait_q); + if (mod->free_sgpgs < wqe->nsgpg) + nsgpg = mod->free_sgpgs; + else + nsgpg = wqe->nsgpg; + bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg); + wqe->nsgpg -= nsgpg; + if (wqe->nsgpg == 0) { + list_del(&wqe->qe); + wqe->cbfn(wqe->cbarg); + } + } while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q)); +} + +void +bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg) +{ + struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); + + bfa_assert(nsgpg > 0); + bfa_assert(nsgpg > mod->free_sgpgs); + + wqe->nsgpg_total = wqe->nsgpg = nsgpg; + + /** + * allocate any left to this one first + */ + if (mod->free_sgpgs) { + /** + * no one else is waiting for SGPG + */ + bfa_assert(list_empty(&mod->sgpg_wait_q)); + list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q); + wqe->nsgpg -= mod->free_sgpgs; + mod->free_sgpgs = 0; + } + + list_add_tail(&wqe->qe, &mod->sgpg_wait_q); +} + +void +bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe) +{ + struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); + + bfa_assert(bfa_q_is_on_q(&mod->sgpg_wait_q, wqe)); + list_del(&wqe->qe); + + if (wqe->nsgpg_total != wqe->nsgpg) + bfa_sgpg_mfree(bfa, &wqe->sgpg_q, + wqe->nsgpg_total - wqe->nsgpg); +} + +void +bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg), + void *cbarg) +{ + INIT_LIST_HEAD(&wqe->sgpg_q); + wqe->cbfn = cbfn; + wqe->cbarg = cbarg; +} + + diff --git a/drivers/scsi/bfa/bfa_sgpg_priv.h b/drivers/scsi/bfa/bfa_sgpg_priv.h new file mode 100644 index 000000000000..9c2a8cbe7522 --- /dev/null +++ b/drivers/scsi/bfa/bfa_sgpg_priv.h @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * hal_sgpg.h BFA SG page module + */ + +#ifndef __BFA_SGPG_PRIV_H__ +#define __BFA_SGPG_PRIV_H__ + +#include <cs/bfa_q.h> + +#define BFA_SGPG_MIN (16) + +/** + * Alignment macro for SG page allocation + */ +#define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \ + & ~(sizeof(struct bfi_sgpg_s) - 1)) + +struct bfa_sgpg_wqe_s { + struct list_head qe; /* queue sg page element */ + int nsgpg; /* pages to be allocated */ + int nsgpg_total; /* total pages required */ + void (*cbfn) (void *cbarg); + /* callback function */ + void *cbarg; /* callback arg */ + struct list_head sgpg_q; /* queue of alloced sgpgs */ +}; + +struct bfa_sgpg_s { + struct list_head qe; /* queue sg page element */ + struct bfi_sgpg_s *sgpg; /* va of SG page */ + union bfi_addr_u sgpg_pa;/* pa of SG page */ +}; + +/** + * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of + * SG pages required. + */ +#define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1) + +struct bfa_sgpg_mod_s { + struct bfa_s *bfa; + int num_sgpgs; /* number of SG pages */ + int free_sgpgs; /* number of free SG pages */ + struct bfa_sgpg_s *hsgpg_arr; /* BFA SG page array */ + struct bfi_sgpg_s *sgpg_arr; /* actual SG page array */ + u64 sgpg_arr_pa; /* SG page array DMA addr */ + struct list_head sgpg_q; /* queue of free SG pages */ + struct list_head sgpg_wait_q; /* wait queue for SG pages */ +}; +#define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod) + +bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, + int nsgpgs); +void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, + int nsgpgs); +void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, + void (*cbfn) (void *cbarg), void *cbarg); +void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, + int nsgpgs); +void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe); + +#endif /* __BFA_SGPG_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_sm.c b/drivers/scsi/bfa/bfa_sm.c new file mode 100644 index 000000000000..5420f4f45e58 --- /dev/null +++ b/drivers/scsi/bfa/bfa_sm.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfasm.c BFA State machine utility functions + */ + +#include <cs/bfa_sm.h> + +/** + * cs_sm_api + */ + +int +bfa_sm_to_state(struct bfa_sm_table_s *smt, bfa_sm_t sm) +{ + int i = 0; + + while (smt[i].sm && smt[i].sm != sm) + i++; + return smt[i].state; +} + + diff --git a/drivers/scsi/bfa/bfa_timer.c b/drivers/scsi/bfa/bfa_timer.c new file mode 100644 index 000000000000..cb76481f5cb1 --- /dev/null +++ b/drivers/scsi/bfa/bfa_timer.c @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa_timer.h> +#include <cs/bfa_debug.h> + +void +bfa_timer_init(struct bfa_timer_mod_s *mod) +{ + INIT_LIST_HEAD(&mod->timer_q); +} + +void +bfa_timer_beat(struct bfa_timer_mod_s *mod) +{ + struct list_head *qh = &mod->timer_q; + struct list_head *qe, *qe_next; + struct bfa_timer_s *elem; + struct list_head timedout_q; + + INIT_LIST_HEAD(&timedout_q); + + qe = bfa_q_next(qh); + + while (qe != qh) { + qe_next = bfa_q_next(qe); + + elem = (struct bfa_timer_s *) qe; + if (elem->timeout <= BFA_TIMER_FREQ) { + elem->timeout = 0; + list_del(&elem->qe); + list_add_tail(&elem->qe, &timedout_q); + } else { + elem->timeout -= BFA_TIMER_FREQ; + } + + qe = qe_next; /* go to next elem */ + } + + /* + * Pop all the timeout entries + */ + while (!list_empty(&timedout_q)) { + bfa_q_deq(&timedout_q, &elem); + elem->timercb(elem->arg); + } +} + +/** + * Should be called with lock protection + */ +void +bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer, + void (*timercb) (void *), void *arg, unsigned int timeout) +{ + + bfa_assert(timercb != NULL); + bfa_assert(!bfa_q_is_on_q(&mod->timer_q, timer)); + + timer->timeout = timeout; + timer->timercb = timercb; + timer->arg = arg; + + list_add_tail(&timer->qe, &mod->timer_q); +} + +/** + * Should be called with lock protection + */ +void +bfa_timer_stop(struct bfa_timer_s *timer) +{ + bfa_assert(!list_empty(&timer->qe)); + + list_del(&timer->qe); +} diff --git a/drivers/scsi/bfa/bfa_trcmod_priv.h b/drivers/scsi/bfa/bfa_trcmod_priv.h new file mode 100644 index 000000000000..b3562dce7e9f --- /dev/null +++ b/drivers/scsi/bfa/bfa_trcmod_priv.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * hal_trcmod.h BFA trace modules + */ + +#ifndef __BFA_TRCMOD_PRIV_H__ +#define __BFA_TRCMOD_PRIV_H__ + +#include <cs/bfa_trc.h> + +/* + * !!! Only append to the enums defined here to avoid any versioning + * !!! needed between trace utility and driver version + */ +enum { + BFA_TRC_HAL_IOC = 1, + BFA_TRC_HAL_INTR = 2, + BFA_TRC_HAL_FCXP = 3, + BFA_TRC_HAL_UF = 4, + BFA_TRC_HAL_DIAG = 5, + BFA_TRC_HAL_RPORT = 6, + BFA_TRC_HAL_FCPIM = 7, + BFA_TRC_HAL_IOIM = 8, + BFA_TRC_HAL_TSKIM = 9, + BFA_TRC_HAL_ITNIM = 10, + BFA_TRC_HAL_PPORT = 11, + BFA_TRC_HAL_SGPG = 12, + BFA_TRC_HAL_FLASH = 13, + BFA_TRC_HAL_DEBUG = 14, + BFA_TRC_HAL_WWN = 15, + BFA_TRC_HAL_FLASH_RAW = 16, + BFA_TRC_HAL_SBOOT = 17, + BFA_TRC_HAL_SBOOT_IO = 18, + BFA_TRC_HAL_SBOOT_INTR = 19, + BFA_TRC_HAL_SBTEST = 20, + BFA_TRC_HAL_IPFC = 21, + BFA_TRC_HAL_IOCFC = 22, + BFA_TRC_HAL_FCPTM = 23, + BFA_TRC_HAL_IOTM = 24, + BFA_TRC_HAL_TSKTM = 25, + BFA_TRC_HAL_TIN = 26, + BFA_TRC_HAL_LPS = 27, + BFA_TRC_HAL_FCDIAG = 28, + BFA_TRC_HAL_PBIND = 29, + BFA_TRC_HAL_IOCFC_CT = 30, + BFA_TRC_HAL_IOCFC_CB = 31, + BFA_TRC_HAL_IOCFC_Q = 32, +}; + +#endif /* __BFA_TRCMOD_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_tskim.c b/drivers/scsi/bfa/bfa_tskim.c new file mode 100644 index 000000000000..010d40d1e5d3 --- /dev/null +++ b/drivers/scsi/bfa/bfa_tskim.c @@ -0,0 +1,689 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfa_cb_ioim_macros.h> + +BFA_TRC_FILE(HAL, TSKIM); + +/** + * task management completion handling + */ +#define bfa_tskim_qcomp(__tskim, __cbfn) do { \ + bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim)); \ + bfa_tskim_notify_comp(__tskim); \ +} while (0) + +#define bfa_tskim_notify_comp(__tskim) do { \ + if ((__tskim)->notify) \ + bfa_itnim_tskdone((__tskim)->itnim); \ +} while (0) + +/* + * forward declarations + */ +static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); +static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, + lun_t lun); +static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); +static void bfa_tskim_cleanp_comp(void *tskim_cbarg); +static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); +static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); +static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); +static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); + +/** + * bfa_tskim_sm + */ + +enum bfa_tskim_event { + BFA_TSKIM_SM_START = 1, /* TM command start */ + BFA_TSKIM_SM_DONE = 2, /* TM completion */ + BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ + BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ + BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ + BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ + BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ + BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ +}; + +static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); + +/** + * Task management command beginning state. + */ +static void +bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_START: + bfa_sm_set_state(tskim, bfa_tskim_sm_active); + bfa_tskim_gather_ios(tskim); + + /** + * If device is offline, do not send TM on wire. Just cleanup + * any pending IO requests and complete TM request. + */ + if (!bfa_itnim_is_online(tskim->itnim)) { + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + tskim->tsk_status = BFI_TSKIM_STS_OK; + bfa_tskim_cleanup_ios(tskim); + return; + } + + if (!bfa_tskim_send(tskim)) { + bfa_sm_set_state(tskim, bfa_tskim_sm_qfull); + bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, + &tskim->reqq_wait); + } + break; + + default: + bfa_assert(0); + } +} + +/** + * brief + * TM command is active, awaiting completion from firmware to + * cleanup IO requests in TM scope. + */ +static void +bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_DONE: + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + bfa_tskim_cleanup_ios(tskim); + break; + + case BFA_TSKIM_SM_CLEANUP: + bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); + if (!bfa_tskim_send_abort(tskim)) { + bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull); + bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, + &tskim->reqq_wait); + } + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_assert(0); + } +} + +/** + * An active TM is being cleaned up since ITN is offline. Awaiting cleanup + * completion event from firmware. + */ +static void +bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_DONE: + /** + * Ignore and wait for ABORT completion from firmware. + */ + break; + + case BFA_TSKIM_SM_CLEANUP_DONE: + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + bfa_tskim_cleanup_ios(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_IOS_DONE: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); + break; + + case BFA_TSKIM_SM_CLEANUP: + /** + * Ignore, TM command completed on wire. + * Notify TM conmpletion on IO cleanup completion. + */ + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_assert(0); + } +} + +/** + * Task management command is waiting for room in request CQ + */ +static void +bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_QRESUME: + bfa_sm_set_state(tskim, bfa_tskim_sm_active); + bfa_tskim_send(tskim); + break; + + case BFA_TSKIM_SM_CLEANUP: + /** + * No need to send TM on wire since ITN is offline. + */ + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + bfa_reqq_wcancel(&tskim->reqq_wait); + bfa_tskim_cleanup_ios(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_reqq_wcancel(&tskim->reqq_wait); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_assert(0); + } +} + +/** + * Task management command is active, awaiting for room in request CQ + * to send clean up request. + */ +static void +bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_DONE: + bfa_reqq_wcancel(&tskim->reqq_wait); + /** + * + * Fall through !!! + */ + + case BFA_TSKIM_SM_QRESUME: + bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); + bfa_tskim_send_abort(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_reqq_wcancel(&tskim->reqq_wait); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_assert(0); + } +} + +/** + * BFA callback is pending + */ +static void +bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_HCB: + bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); + bfa_tskim_free(tskim); + break; + + case BFA_TSKIM_SM_CLEANUP: + bfa_tskim_notify_comp(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + break; + + default: + bfa_assert(0); + } +} + + + +/** + * bfa_tskim_private + */ + +static void +__bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_tskim_s *tskim = cbarg; + + if (!complete) { + bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); + return; + } + + bfa_stats(tskim->itnim, tm_success); + bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); +} + +static void +__bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_tskim_s *tskim = cbarg; + + if (!complete) { + bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); + return; + } + + bfa_stats(tskim->itnim, tm_failures); + bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, + BFI_TSKIM_STS_FAILED); +} + +static bfa_boolean_t +bfa_tskim_match_scope(struct bfa_tskim_s *tskim, lun_t lun) +{ + switch (tskim->tm_cmnd) { + case FCP_TM_TARGET_RESET: + return BFA_TRUE; + + case FCP_TM_ABORT_TASK_SET: + case FCP_TM_CLEAR_TASK_SET: + case FCP_TM_LUN_RESET: + case FCP_TM_CLEAR_ACA: + return (tskim->lun == lun); + + default: + bfa_assert(0); + } + + return BFA_FALSE; +} + +/** + * Gather affected IO requests and task management commands. + */ +static void +bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) +{ + struct bfa_itnim_s *itnim = tskim->itnim; + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + INIT_LIST_HEAD(&tskim->io_q); + + /** + * Gather any active IO requests first. + */ + list_for_each_safe(qe, qen, &itnim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + if (bfa_tskim_match_scope + (tskim, bfa_cb_ioim_get_lun(ioim->dio))) { + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &tskim->io_q); + } + } + + /** + * Failback any pending IO requests immediately. + */ + list_for_each_safe(qe, qen, &itnim->pending_q) { + ioim = (struct bfa_ioim_s *) qe; + if (bfa_tskim_match_scope + (tskim, bfa_cb_ioim_get_lun(ioim->dio))) { + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); + bfa_ioim_tov(ioim); + } + } +} + +/** + * IO cleanup completion + */ +static void +bfa_tskim_cleanp_comp(void *tskim_cbarg) +{ + struct bfa_tskim_s *tskim = tskim_cbarg; + + bfa_stats(tskim->itnim, tm_io_comps); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); +} + +/** + * Gather affected IO requests and task management commands. + */ +static void +bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) +{ + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); + + list_for_each_safe(qe, qen, &tskim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_wc_up(&tskim->wc); + bfa_ioim_cleanup_tm(ioim, tskim); + } + + bfa_wc_wait(&tskim->wc); +} + +/** + * Send task management request to firmware. + */ +static bfa_boolean_t +bfa_tskim_send(struct bfa_tskim_s *tskim) +{ + struct bfa_itnim_s *itnim = tskim->itnim; + struct bfi_tskim_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(tskim->bfa, itnim->reqq); + if (!m) + return BFA_FALSE; + + /** + * build i/o request message next + */ + bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, + bfa_lpuid(tskim->bfa)); + + m->tsk_tag = bfa_os_htons(tskim->tsk_tag); + m->itn_fhdl = tskim->itnim->rport->fw_handle; + m->t_secs = tskim->tsecs; + m->lun = tskim->lun; + m->tm_flags = tskim->tm_cmnd; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(tskim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Send abort request to cleanup an active TM to firmware. + */ +static bfa_boolean_t +bfa_tskim_send_abort(struct bfa_tskim_s *tskim) +{ + struct bfa_itnim_s *itnim = tskim->itnim; + struct bfi_tskim_abortreq_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(tskim->bfa, itnim->reqq); + if (!m) + return BFA_FALSE; + + /** + * build i/o request message next + */ + bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, + bfa_lpuid(tskim->bfa)); + + m->tsk_tag = bfa_os_htons(tskim->tsk_tag); + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(tskim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Call to resume task management cmnd waiting for room in request queue. + */ +static void +bfa_tskim_qresume(void *cbarg) +{ + struct bfa_tskim_s *tskim = cbarg; + + bfa_fcpim_stats(tskim->fcpim, qresumes); + bfa_stats(tskim->itnim, tm_qresumes); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); +} + +/** + * Cleanup IOs associated with a task mangement command on IOC failures. + */ +static void +bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) +{ + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &tskim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_iocdisable(ioim); + } +} + + + +/** + * bfa_tskim_friend + */ + +/** + * Notification on completions from related ioim. + */ +void +bfa_tskim_iodone(struct bfa_tskim_s *tskim) +{ + bfa_wc_down(&tskim->wc); +} + +/** + * Handle IOC h/w failure notification from itnim. + */ +void +bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) +{ + tskim->notify = BFA_FALSE; + bfa_stats(tskim->itnim, tm_iocdowns); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); +} + +/** + * Cleanup TM command and associated IOs as part of ITNIM offline. + */ +void +bfa_tskim_cleanup(struct bfa_tskim_s *tskim) +{ + tskim->notify = BFA_TRUE; + bfa_stats(tskim->itnim, tm_cleanups); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); +} + +/** + * Memory allocation and initialization. + */ +void +bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) +{ + struct bfa_tskim_s *tskim; + u16 i; + + INIT_LIST_HEAD(&fcpim->tskim_free_q); + + tskim = (struct bfa_tskim_s *) bfa_meminfo_kva(minfo); + fcpim->tskim_arr = tskim; + + for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { + /* + * initialize TSKIM + */ + bfa_os_memset(tskim, 0, sizeof(struct bfa_tskim_s)); + tskim->tsk_tag = i; + tskim->bfa = fcpim->bfa; + tskim->fcpim = fcpim; + tskim->notify = BFA_FALSE; + bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, + tskim); + bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); + + list_add_tail(&tskim->qe, &fcpim->tskim_free_q); + } + + bfa_meminfo_kva(minfo) = (u8 *) tskim; +} + +void +bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim) +{ + /** + * @todo + */ +} + +void +bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; + struct bfa_tskim_s *tskim; + u16 tsk_tag = bfa_os_ntohs(rsp->tsk_tag); + + tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); + bfa_assert(tskim->tsk_tag == tsk_tag); + + tskim->tsk_status = rsp->tsk_status; + + /** + * Firmware sends BFI_TSKIM_STS_ABORTED status for abort + * requests. All other statuses are for normal completions. + */ + if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { + bfa_stats(tskim->itnim, tm_cleanup_comps); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); + } else { + bfa_stats(tskim->itnim, tm_fw_rsps); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); + } +} + + + +/** + * bfa_tskim_api + */ + + +struct bfa_tskim_s * +bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_tskim_s *tskim; + + bfa_q_deq(&fcpim->tskim_free_q, &tskim); + + if (!tskim) + bfa_fcpim_stats(fcpim, no_tskims); + else + tskim->dtsk = dtsk; + + return tskim; +} + +void +bfa_tskim_free(struct bfa_tskim_s *tskim) +{ + bfa_assert(bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); + list_del(&tskim->qe); + list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); +} + +/** + * Start a task management command. + * + * @param[in] tskim BFA task management command instance + * @param[in] itnim i-t nexus for the task management command + * @param[in] lun lun, if applicable + * @param[in] tm_cmnd Task management command code. + * @param[in] t_secs Timeout in seconds + * + * @return None. + */ +void +bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, lun_t lun, + enum fcp_tm_cmnd tm_cmnd, u8 tsecs) +{ + tskim->itnim = itnim; + tskim->lun = lun; + tskim->tm_cmnd = tm_cmnd; + tskim->tsecs = tsecs; + tskim->notify = BFA_FALSE; + bfa_stats(itnim, tm_cmnds); + + list_add_tail(&tskim->qe, &itnim->tsk_q); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); +} + + diff --git a/drivers/scsi/bfa/bfa_uf.c b/drivers/scsi/bfa/bfa_uf.c new file mode 100644 index 000000000000..ff5f9deb1b22 --- /dev/null +++ b/drivers/scsi/bfa/bfa_uf.c @@ -0,0 +1,345 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_uf.c BFA unsolicited frame receive implementation + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include <bfi/bfi_uf.h> +#include <cs/bfa_debug.h> + +BFA_TRC_FILE(HAL, UF); +BFA_MODULE(uf); + +/* + ***************************************************************************** + * Internal functions + ***************************************************************************** + */ +static void +__bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_uf_s *uf = cbarg; + struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa); + + if (complete) + ufm->ufrecv(ufm->cbarg, uf); +} + +static void +claim_uf_pbs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi) +{ + u32 uf_pb_tot_sz; + + ufm->uf_pbs_kva = (struct bfa_uf_buf_s *) bfa_meminfo_dma_virt(mi); + ufm->uf_pbs_pa = bfa_meminfo_dma_phys(mi); + uf_pb_tot_sz = BFA_ROUNDUP((sizeof(struct bfa_uf_buf_s) * ufm->num_ufs), + BFA_DMA_ALIGN_SZ); + + bfa_meminfo_dma_virt(mi) += uf_pb_tot_sz; + bfa_meminfo_dma_phys(mi) += uf_pb_tot_sz; + + bfa_os_memset((void *)ufm->uf_pbs_kva, 0, uf_pb_tot_sz); +} + +static void +claim_uf_post_msgs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi) +{ + struct bfi_uf_buf_post_s *uf_bp_msg; + struct bfi_sge_s *sge; + union bfi_addr_u sga_zero = { {0} }; + u16 i; + u16 buf_len; + + ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_meminfo_kva(mi); + uf_bp_msg = ufm->uf_buf_posts; + + for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs; + i++, uf_bp_msg++) { + bfa_os_memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s)); + + uf_bp_msg->buf_tag = i; + buf_len = sizeof(struct bfa_uf_buf_s); + uf_bp_msg->buf_len = bfa_os_htons(buf_len); + bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST, + bfa_lpuid(ufm->bfa)); + + sge = uf_bp_msg->sge; + sge[0].sg_len = buf_len; + sge[0].flags = BFI_SGE_DATA_LAST; + bfa_dma_addr_set(sge[0].sga, ufm_pbs_pa(ufm, i)); + bfa_sge_to_be(sge); + + sge[1].sg_len = buf_len; + sge[1].flags = BFI_SGE_PGDLEN; + sge[1].sga = sga_zero; + bfa_sge_to_be(&sge[1]); + } + + /** + * advance pointer beyond consumed memory + */ + bfa_meminfo_kva(mi) = (u8 *) uf_bp_msg; +} + +static void +claim_ufs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi) +{ + u16 i; + struct bfa_uf_s *uf; + + /* + * Claim block of memory for UF list + */ + ufm->uf_list = (struct bfa_uf_s *) bfa_meminfo_kva(mi); + + /* + * Initialize UFs and queue it in UF free queue + */ + for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) { + bfa_os_memset(uf, 0, sizeof(struct bfa_uf_s)); + uf->bfa = ufm->bfa; + uf->uf_tag = i; + uf->pb_len = sizeof(struct bfa_uf_buf_s); + uf->buf_kva = (void *)&ufm->uf_pbs_kva[i]; + uf->buf_pa = ufm_pbs_pa(ufm, i); + list_add_tail(&uf->qe, &ufm->uf_free_q); + } + + /** + * advance memory pointer + */ + bfa_meminfo_kva(mi) = (u8 *) uf; +} + +static void +uf_mem_claim(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi) +{ + claim_uf_pbs(ufm, mi); + claim_ufs(ufm, mi); + claim_uf_post_msgs(ufm, mi); +} + +static void +bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, u32 *dm_len) +{ + u32 num_ufs = cfg->fwcfg.num_uf_bufs; + + /* + * dma-able memory for UF posted bufs + */ + *dm_len += BFA_ROUNDUP((sizeof(struct bfa_uf_buf_s) * num_ufs), + BFA_DMA_ALIGN_SZ); + + /* + * kernel Virtual memory for UFs and UF buf post msg copies + */ + *ndm_len += sizeof(struct bfa_uf_s) * num_ufs; + *ndm_len += sizeof(struct bfi_uf_buf_post_s) * num_ufs; +} + +static void +bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); + + bfa_os_memset(ufm, 0, sizeof(struct bfa_uf_mod_s)); + ufm->bfa = bfa; + ufm->num_ufs = cfg->fwcfg.num_uf_bufs; + INIT_LIST_HEAD(&ufm->uf_free_q); + INIT_LIST_HEAD(&ufm->uf_posted_q); + + uf_mem_claim(ufm, meminfo); +} + +static void +bfa_uf_initdone(struct bfa_s *bfa) +{ +} + +static void +bfa_uf_detach(struct bfa_s *bfa) +{ +} + +static struct bfa_uf_s * +bfa_uf_get(struct bfa_uf_mod_s *uf_mod) +{ + struct bfa_uf_s *uf; + + bfa_q_deq(&uf_mod->uf_free_q, &uf); + return (uf); +} + +static void +bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf) +{ + list_add_tail(&uf->qe, &uf_mod->uf_free_q); +} + +static bfa_status_t +bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf) +{ + struct bfi_uf_buf_post_s *uf_post_msg; + + uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP); + if (!uf_post_msg) + return BFA_STATUS_FAILED; + + bfa_os_memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag], + sizeof(struct bfi_uf_buf_post_s)); + bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP); + + bfa_trc(ufm->bfa, uf->uf_tag); + + list_add_tail(&uf->qe, &ufm->uf_posted_q); + return BFA_STATUS_OK; +} + +static void +bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod) +{ + struct bfa_uf_s *uf; + + while ((uf = bfa_uf_get(uf_mod)) != NULL) { + if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK) + break; + } +} + +static void +uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m) +{ + struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); + u16 uf_tag = m->buf_tag; + struct bfa_uf_buf_s *uf_buf = &ufm->uf_pbs_kva[uf_tag]; + struct bfa_uf_s *uf = &ufm->uf_list[uf_tag]; + u8 *buf = &uf_buf->d[0]; + struct fchs_s *fchs; + + m->frm_len = bfa_os_ntohs(m->frm_len); + m->xfr_len = bfa_os_ntohs(m->xfr_len); + + fchs = (struct fchs_s *) uf_buf; + + list_del(&uf->qe); /* dequeue from posted queue */ + + uf->data_ptr = buf; + uf->data_len = m->xfr_len; + + bfa_assert(uf->data_len >= sizeof(struct fchs_s)); + + if (uf->data_len == sizeof(struct fchs_s)) { + bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX, + uf->data_len, (struct fchs_s *) buf); + } else { + u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s))); + bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF, + BFA_PL_EID_RX, uf->data_len, + (struct fchs_s *) buf, pld_w0); + } + + bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf); +} + +static void +bfa_uf_stop(struct bfa_s *bfa) +{ +} + +static void +bfa_uf_iocdisable(struct bfa_s *bfa) +{ + struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); + struct bfa_uf_s *uf; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &ufm->uf_posted_q) { + uf = (struct bfa_uf_s *) qe; + list_del(&uf->qe); + bfa_uf_put(ufm, uf); + } +} + +static void +bfa_uf_start(struct bfa_s *bfa) +{ + bfa_uf_post_all(BFA_UF_MOD(bfa)); +} + + + +/** + * bfa_uf_api + */ + +/** + * Register handler for all unsolicted recieve frames. + * + * @param[in] bfa BFA instance + * @param[in] ufrecv receive handler function + * @param[in] cbarg receive handler arg + */ +void +bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg) +{ + struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); + + ufm->ufrecv = ufrecv; + ufm->cbarg = cbarg; +} + +/** + * Free an unsolicited frame back to BFA. + * + * @param[in] uf unsolicited frame to be freed + * + * @return None + */ +void +bfa_uf_free(struct bfa_uf_s *uf) +{ + bfa_uf_put(BFA_UF_MOD(uf->bfa), uf); + bfa_uf_post_all(BFA_UF_MOD(uf->bfa)); +} + + + +/** + * uf_pub BFA uf module public functions + */ + +void +bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) +{ + bfa_trc(bfa, msg->mhdr.msg_id); + + switch (msg->mhdr.msg_id) { + case BFI_UF_I2H_FRM_RCVD: + uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg); + break; + + default: + bfa_trc(bfa, msg->mhdr.msg_id); + bfa_assert(0); + } +} + + diff --git a/drivers/scsi/bfa/bfa_uf_priv.h b/drivers/scsi/bfa/bfa_uf_priv.h new file mode 100644 index 000000000000..bcb490f834f3 --- /dev/null +++ b/drivers/scsi/bfa/bfa_uf_priv.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_UF_PRIV_H__ +#define __BFA_UF_PRIV_H__ + +#include <cs/bfa_sm.h> +#include <bfa_svc.h> +#include <bfi/bfi_uf.h> + +#define BFA_UF_MIN (4) + +struct bfa_uf_mod_s { + struct bfa_s *bfa; /* back pointer to BFA */ + struct bfa_uf_s *uf_list; /* array of UFs */ + u16 num_ufs; /* num unsolicited rx frames */ + struct list_head uf_free_q; /* free UFs */ + struct list_head uf_posted_q; /* UFs posted to IOC */ + struct bfa_uf_buf_s *uf_pbs_kva; /* list UF bufs request pld */ + u64 uf_pbs_pa; /* phy addr for UF bufs */ + struct bfi_uf_buf_post_s *uf_buf_posts; + /* pre-built UF post msgs */ + bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */ + void *cbarg; /* uf receive handler arg */ +}; + +#define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod) + +#define ufm_pbs_pa(_ufmod, _uftag) \ + ((_ufmod)->uf_pbs_pa + sizeof(struct bfa_uf_buf_s) * (_uftag)) + +void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); + +#endif /* __BFA_UF_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c new file mode 100644 index 000000000000..6f2be5abf561 --- /dev/null +++ b/drivers/scsi/bfa/bfad.c @@ -0,0 +1,1182 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfad.c Linux driver PCI interface module. + */ + +#include <linux/module.h> +#include "bfad_drv.h" +#include "bfad_im.h" +#include "bfad_tm.h" +#include "bfad_ipfc.h" +#include "bfad_trcmod.h" +#include <fcb/bfa_fcb_vf.h> +#include <fcb/bfa_fcb_rport.h> +#include <fcb/bfa_fcb_port.h> +#include <fcb/bfa_fcb.h> + +BFA_TRC_FILE(LDRV, BFAD); +static DEFINE_MUTEX(bfad_mutex); +LIST_HEAD(bfad_list); +static int bfad_inst; +int bfad_supported_fc4s; + +static char *host_name; +static char *os_name; +static char *os_patch; +static int num_rports; +static int num_ios; +static int num_tms; +static int num_fcxps; +static int num_ufbufs; +static int reqq_size; +static int rspq_size; +static int num_sgpgs; +static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; +static int bfa_io_max_sge = BFAD_IO_MAX_SGE; +static int log_level = BFA_LOG_WARNING; +static int ioc_auto_recover = BFA_TRUE; +static int ipfc_enable = BFA_FALSE; +static int ipfc_mtu = -1; +int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; +int bfa_linkup_delay = -1; + +module_param(os_name, charp, S_IRUGO | S_IWUSR); +module_param(os_patch, charp, S_IRUGO | S_IWUSR); +module_param(host_name, charp, S_IRUGO | S_IWUSR); +module_param(num_rports, int, S_IRUGO | S_IWUSR); +module_param(num_ios, int, S_IRUGO | S_IWUSR); +module_param(num_tms, int, S_IRUGO | S_IWUSR); +module_param(num_fcxps, int, S_IRUGO | S_IWUSR); +module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); +module_param(reqq_size, int, S_IRUGO | S_IWUSR); +module_param(rspq_size, int, S_IRUGO | S_IWUSR); +module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); +module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); +module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); +module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); +module_param(log_level, int, S_IRUGO | S_IWUSR); +module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); +module_param(ipfc_enable, int, S_IRUGO | S_IWUSR); +module_param(ipfc_mtu, int, S_IRUGO | S_IWUSR); +module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); + +/* + * Stores the module parm num_sgpgs value; + * used to reset for bfad next instance. + */ +static int num_sgpgs_parm; + +static bfa_status_t +bfad_fc4_probe(struct bfad_s *bfad) +{ + int rc; + + rc = bfad_im_probe(bfad); + if (rc != BFA_STATUS_OK) + goto ext; + + bfad_tm_probe(bfad); + + if (ipfc_enable) + bfad_ipfc_probe(bfad); +ext: + return rc; +} + +static void +bfad_fc4_probe_undo(struct bfad_s *bfad) +{ + bfad_im_probe_undo(bfad); + bfad_tm_probe_undo(bfad); + if (ipfc_enable) + bfad_ipfc_probe_undo(bfad); +} + +static void +bfad_fc4_probe_post(struct bfad_s *bfad) +{ + if (bfad->im) + bfad_im_probe_post(bfad->im); + + bfad_tm_probe_post(bfad); + if (ipfc_enable) + bfad_ipfc_probe_post(bfad); +} + +static bfa_status_t +bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles) +{ + int rc = BFA_STATUS_FAILED; + + if (roles & BFA_PORT_ROLE_FCP_IM) + rc = bfad_im_port_new(bfad, port); + if (rc != BFA_STATUS_OK) + goto ext; + + if (roles & BFA_PORT_ROLE_FCP_TM) + rc = bfad_tm_port_new(bfad, port); + if (rc != BFA_STATUS_OK) + goto ext; + + if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) + rc = bfad_ipfc_port_new(bfad, port, port->pvb_type); +ext: + return rc; +} + +static void +bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles) +{ + if (roles & BFA_PORT_ROLE_FCP_IM) + bfad_im_port_delete(bfad, port); + + if (roles & BFA_PORT_ROLE_FCP_TM) + bfad_tm_port_delete(bfad, port); + + if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) + bfad_ipfc_port_delete(bfad, port); +} + +/** + * BFA callbacks + */ +void +bfad_hcb_comp(void *arg, bfa_status_t status) +{ + struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; + + fcomp->status = status; + complete(&fcomp->comp); +} + +/** + * bfa_init callback + */ +void +bfa_cb_init(void *drv, bfa_status_t init_status) +{ + struct bfad_s *bfad = drv; + + if (init_status == BFA_STATUS_OK) + bfad->bfad_flags |= BFAD_HAL_INIT_DONE; + + complete(&bfad->comp); +} + + + +/** + * BFA_FCS callbacks + */ +static struct bfad_port_s * +bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv, + struct bfad_vport_s *vp_drv) +{ + return ((vp_drv) ? (&(vp_drv)->drv_port) + : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport))); +} + +struct bfad_port_s * +bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port, + enum bfa_port_role roles, struct bfad_vf_s *vf_drv, + struct bfad_vport_s *vp_drv) +{ + bfa_status_t rc; + struct bfad_port_s *port_drv; + + if (!vp_drv && !vf_drv) { + port_drv = &bfad->pport; + port_drv->pvb_type = BFAD_PORT_PHYS_BASE; + } else if (!vp_drv && vf_drv) { + port_drv = &vf_drv->base_port; + port_drv->pvb_type = BFAD_PORT_VF_BASE; + } else if (vp_drv && !vf_drv) { + port_drv = &vp_drv->drv_port; + port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; + } else { + port_drv = &vp_drv->drv_port; + port_drv->pvb_type = BFAD_PORT_VF_VPORT; + } + + port_drv->fcs_port = port; + port_drv->roles = roles; + rc = bfad_fc4_port_new(bfad, port_drv, roles); + if (rc != BFA_STATUS_OK) { + bfad_fc4_port_delete(bfad, port_drv, roles); + port_drv = NULL; + } + + return port_drv; +} + +void +bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) +{ + struct bfad_port_s *port_drv; + + /* + * this will be only called from rmmod context + */ + if (vp_drv && !vp_drv->comp_del) { + port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); + bfa_trc(bfad, roles); + bfad_fc4_port_delete(bfad, port_drv, roles); + } +} + +void +bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) +{ + struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); + + if (roles & BFA_PORT_ROLE_FCP_IM) + bfad_im_port_online(bfad, port_drv); + + if (roles & BFA_PORT_ROLE_FCP_TM) + bfad_tm_port_online(bfad, port_drv); + + if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) + bfad_ipfc_port_online(bfad, port_drv); + + bfad->bfad_flags |= BFAD_PORT_ONLINE; +} + +void +bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) +{ + struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); + + if (roles & BFA_PORT_ROLE_FCP_IM) + bfad_im_port_offline(bfad, port_drv); + + if (roles & BFA_PORT_ROLE_FCP_TM) + bfad_tm_port_offline(bfad, port_drv); + + if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) + bfad_ipfc_port_offline(bfad, port_drv); +} + +void +bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv) +{ + if (vport_drv->comp_del) { + complete(vport_drv->comp_del); + return; + } + + kfree(vport_drv); +} + +/** + * FCS RPORT alloc callback, after successful PLOGI by FCS + */ +bfa_status_t +bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, + struct bfad_rport_s **rport_drv) +{ + bfa_status_t rc = BFA_STATUS_OK; + + *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); + if (*rport_drv == NULL) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + + *rport = &(*rport_drv)->fcs_rport; + +ext: + return rc; +} + + + +void +bfad_hal_mem_release(struct bfad_s *bfad) +{ + int i; + struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; + struct bfa_mem_elem_s *meminfo_elem; + + for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { + meminfo_elem = &hal_meminfo->meminfo[i]; + if (meminfo_elem->kva != NULL) { + switch (meminfo_elem->mem_type) { + case BFA_MEM_TYPE_KVA: + vfree(meminfo_elem->kva); + break; + case BFA_MEM_TYPE_DMA: + dma_free_coherent(&bfad->pcidev->dev, + meminfo_elem->mem_len, + meminfo_elem->kva, + (dma_addr_t) meminfo_elem->dma); + break; + default: + bfa_assert(0); + break; + } + } + } + + memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); +} + +void +bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) +{ + if (num_rports > 0) + bfa_cfg->fwcfg.num_rports = num_rports; + if (num_ios > 0) + bfa_cfg->fwcfg.num_ioim_reqs = num_ios; + if (num_tms > 0) + bfa_cfg->fwcfg.num_tskim_reqs = num_tms; + if (num_fcxps > 0) + bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; + if (num_ufbufs > 0) + bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; + if (reqq_size > 0) + bfa_cfg->drvcfg.num_reqq_elems = reqq_size; + if (rspq_size > 0) + bfa_cfg->drvcfg.num_rspq_elems = rspq_size; + if (num_sgpgs > 0) + bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; + + /* + * populate the hal values back to the driver for sysfs use. + * otherwise, the default values will be shown as 0 in sysfs + */ + num_rports = bfa_cfg->fwcfg.num_rports; + num_ios = bfa_cfg->fwcfg.num_ioim_reqs; + num_tms = bfa_cfg->fwcfg.num_tskim_reqs; + num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; + num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; + reqq_size = bfa_cfg->drvcfg.num_reqq_elems; + rspq_size = bfa_cfg->drvcfg.num_rspq_elems; + num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; +} + +bfa_status_t +bfad_hal_mem_alloc(struct bfad_s *bfad) +{ + struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; + struct bfa_mem_elem_s *meminfo_elem; + bfa_status_t rc = BFA_STATUS_OK; + dma_addr_t phys_addr; + int retry_count = 0; + int reset_value = 1; + int min_num_sgpgs = 512; + void *kva; + int i; + + bfa_cfg_get_default(&bfad->ioc_cfg); + +retry: + bfad_update_hal_cfg(&bfad->ioc_cfg); + bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; + bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo); + + for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { + meminfo_elem = &hal_meminfo->meminfo[i]; + switch (meminfo_elem->mem_type) { + case BFA_MEM_TYPE_KVA: + kva = vmalloc(meminfo_elem->mem_len); + if (kva == NULL) { + bfad_hal_mem_release(bfad); + rc = BFA_STATUS_ENOMEM; + goto ext; + } + memset(kva, 0, meminfo_elem->mem_len); + meminfo_elem->kva = kva; + break; + case BFA_MEM_TYPE_DMA: + kva = dma_alloc_coherent(&bfad->pcidev->dev, + meminfo_elem->mem_len, + &phys_addr, GFP_KERNEL); + if (kva == NULL) { + bfad_hal_mem_release(bfad); + /* + * If we cannot allocate with default + * num_sgpages try with half the value. + */ + if (num_sgpgs > min_num_sgpgs) { + printk(KERN_INFO "bfad[%d]: memory" + " allocation failed with" + " num_sgpgs: %d\n", + bfad->inst_no, num_sgpgs); + nextLowerInt(&num_sgpgs); + printk(KERN_INFO "bfad[%d]: trying to" + " allocate memory with" + " num_sgpgs: %d\n", + bfad->inst_no, num_sgpgs); + retry_count++; + goto retry; + } else { + if (num_sgpgs_parm > 0) + num_sgpgs = num_sgpgs_parm; + else { + reset_value = + (1 << retry_count); + num_sgpgs *= reset_value; + } + rc = BFA_STATUS_ENOMEM; + goto ext; + } + } + + if (num_sgpgs_parm > 0) + num_sgpgs = num_sgpgs_parm; + else { + reset_value = (1 << retry_count); + num_sgpgs *= reset_value; + } + + memset(kva, 0, meminfo_elem->mem_len); + meminfo_elem->kva = kva; + meminfo_elem->dma = phys_addr; + break; + default: + break; + + } + } +ext: + return rc; +} + +/** + * Create a vport under a vf. + */ +bfa_status_t +bfad_vport_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg) +{ + struct bfad_vport_s *vport; + int rc = BFA_STATUS_OK; + unsigned long flags; + struct completion fcomp; + + vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); + if (!vport) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + + vport->drv_port.bfad = bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, + port_cfg, vport); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (rc != BFA_STATUS_OK) + goto ext_free_vport; + + if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) { + rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port); + if (rc != BFA_STATUS_OK) + goto ext_free_fcs_vport; + } + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_vport_start(&vport->fcs_vport); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return BFA_STATUS_OK; + +ext_free_fcs_vport: + spin_lock_irqsave(&bfad->bfad_lock, flags); + vport->comp_del = &fcomp; + init_completion(vport->comp_del); + bfa_fcs_vport_delete(&vport->fcs_vport); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_for_completion(vport->comp_del); +ext_free_vport: + kfree(vport); +ext: + return rc; +} + +/** + * Create a vf and its base vport implicitely. + */ +bfa_status_t +bfad_vf_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg) +{ + struct bfad_vf_s *vf; + int rc = BFA_STATUS_OK; + + vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL); + if (!vf) { + rc = BFA_STATUS_FAILED; + goto ext; + } + + rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg, + vf); + if (rc != BFA_STATUS_OK) + kfree(vf); +ext: + return rc; +} + +void +bfad_bfa_tmo(unsigned long data) +{ + struct bfad_s *bfad = (struct bfad_s *)data; + unsigned long flags; + struct list_head doneq; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + + bfa_timer_tick(&bfad->bfa); + + bfa_comp_deq(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (!list_empty(&doneq)) { + bfa_comp_process(&bfad->bfa, &doneq); + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_comp_free(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + } + + mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); +} + +void +bfad_init_timer(struct bfad_s *bfad) +{ + init_timer(&bfad->hal_tmo); + bfad->hal_tmo.function = bfad_bfa_tmo; + bfad->hal_tmo.data = (unsigned long)bfad; + + mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); +} + +int +bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) +{ + unsigned long bar0_len; + int rc = -ENODEV; + + if (pci_enable_device(pdev)) { + BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev); + goto out; + } + + if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) + goto out_disable_device; + + pci_set_master(pdev); + + + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { + BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev); + goto out_release_region; + } + + bfad->pci_bar0_map = pci_resource_start(pdev, 0); + bar0_len = pci_resource_len(pdev, 0); + bfad->pci_bar0_kva = ioremap(bfad->pci_bar0_map, bar0_len); + + if (bfad->pci_bar0_kva == NULL) { + BFA_PRINTF(BFA_ERR, "Fail to map bar0\n"); + goto out_release_region; + } + + bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); + bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); + bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; + bfad->hal_pcidev.device_id = pdev->device; + bfad->pci_name = pci_name(pdev); + + bfad->pci_attr.vendor_id = pdev->vendor; + bfad->pci_attr.device_id = pdev->device; + bfad->pci_attr.ssid = pdev->subsystem_device; + bfad->pci_attr.ssvid = pdev->subsystem_vendor; + bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); + + bfad->pcidev = pdev; + return 0; + +out_release_region: + pci_release_regions(pdev); +out_disable_device: + pci_disable_device(pdev); +out: + return rc; +} + +void +bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) +{ +#if defined(__ia64__) + pci_iounmap(pdev, bfad->pci_bar0_kva); +#else + iounmap(bfad->pci_bar0_kva); +#endif + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); +} + +void +bfad_fcs_port_cfg(struct bfad_s *bfad) +{ + struct bfa_port_cfg_s port_cfg; + struct bfa_pport_attr_s attr; + char symname[BFA_SYMNAME_MAXLEN]; + + sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no); + memcpy(port_cfg.sym_name.symname, symname, strlen(symname)); + bfa_pport_get_attr(&bfad->bfa, &attr); + port_cfg.nwwn = attr.nwwn; + port_cfg.pwwn = attr.pwwn; + + bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg); +} + +bfa_status_t +bfad_drv_init(struct bfad_s *bfad) +{ + bfa_status_t rc; + unsigned long flags; + struct bfa_fcs_driver_info_s driver_info; + int i; + + bfad->cfg_data.rport_del_timeout = rport_del_timeout; + bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; + bfad->cfg_data.io_max_sge = bfa_io_max_sge; + bfad->cfg_data.binding_method = FCP_PWWN_BINDING; + + rc = bfad_hal_mem_alloc(bfad); + if (rc != BFA_STATUS_OK) { + printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", + bfad->inst_no); + printk(KERN_WARNING + "Not enough memory to attach all Brocade HBA ports," + " System may need more memory.\n"); + goto out_hal_mem_alloc_failure; + } + + bfa_init_log(&bfad->bfa, bfad->logmod); + bfa_init_trc(&bfad->bfa, bfad->trcmod); + bfa_init_aen(&bfad->bfa, bfad->aen); + INIT_LIST_HEAD(&bfad->file_q); + INIT_LIST_HEAD(&bfad->file_free_q); + for (i = 0; i < BFAD_AEN_MAX_APPS; i++) { + bfa_q_qe_init(&bfad->file_buf[i].qe); + list_add_tail(&bfad->file_buf[i].qe, &bfad->file_free_q); + } + bfa_init_plog(&bfad->bfa, &bfad->plog_buf); + bfa_plog_init(&bfad->plog_buf); + bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, + 0, "Driver Attach"); + + bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, + &bfad->hal_pcidev); + + init_completion(&bfad->comp); + + /* + * Enable Interrupt and wait bfa_init completion + */ + if (bfad_setup_intr(bfad)) { + printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", + bfad->inst_no); + goto out_setup_intr_failure; + } + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_init(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + /* + * Set up interrupt handler for each vectors + */ + if ((bfad->bfad_flags & BFAD_MSIX_ON) + && bfad_install_msix_handler(bfad)) { + printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", + __FUNCTION__, bfad->inst_no); + } + + bfad_init_timer(bfad); + + wait_for_completion(&bfad->comp); + + memset(&driver_info, 0, sizeof(driver_info)); + strncpy(driver_info.version, BFAD_DRIVER_VERSION, + sizeof(driver_info.version) - 1); + if (host_name) + strncpy(driver_info.host_machine_name, host_name, + sizeof(driver_info.host_machine_name) - 1); + if (os_name) + strncpy(driver_info.host_os_name, os_name, + sizeof(driver_info.host_os_name) - 1); + if (os_patch) + strncpy(driver_info.host_os_patch, os_patch, + sizeof(driver_info.host_os_patch) - 1); + + strncpy(driver_info.os_device_name, bfad->pci_name, + sizeof(driver_info.os_device_name - 1)); + + /* + * FCS INIT + */ + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod); + bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod); + bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen); + bfa_fcs_init(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); + bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + bfad->bfad_flags |= BFAD_DRV_INIT_DONE; + return BFA_STATUS_OK; + +out_setup_intr_failure: + bfa_detach(&bfad->bfa); + bfad_hal_mem_release(bfad); +out_hal_mem_alloc_failure: + return BFA_STATUS_FAILED; +} + +void +bfad_drv_uninit(struct bfad_s *bfad) +{ + del_timer_sync(&bfad->hal_tmo); + bfa_isr_disable(&bfad->bfa); + bfa_detach(&bfad->bfa); + bfad_remove_intr(bfad); + bfa_assert(list_empty(&bfad->file_q)); + bfad_hal_mem_release(bfad); +} + +void +bfad_drv_start(struct bfad_s *bfad) +{ + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_start(&bfad->bfa); + bfa_fcs_start(&bfad->bfa_fcs); + bfad->bfad_flags |= BFAD_HAL_START_DONE; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + bfad_fc4_probe_post(bfad); +} + +void +bfad_drv_stop(struct bfad_s *bfad) +{ + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + init_completion(&bfad->comp); + bfad->pport.flags |= BFAD_PORT_DELETE; + bfa_fcs_exit(&bfad->bfa_fcs); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_for_completion(&bfad->comp); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + init_completion(&bfad->comp); + bfa_stop(&bfad->bfa); + bfad->bfad_flags &= ~BFAD_HAL_START_DONE; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_for_completion(&bfad->comp); +} + +bfa_status_t +bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role) +{ + int rc = BFA_STATUS_OK; + + /* + * Allocate scsi_host for the physical port + */ + if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM) + && (role & BFA_PORT_ROLE_FCP_IM)) { + if (bfad->pport.im_port == NULL) { + rc = BFA_STATUS_FAILED; + goto out; + } + + rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port); + if (rc != BFA_STATUS_OK) + goto out; + + bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM; + } + + bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; + +out: + return rc; +} + +void +bfad_uncfg_pport(struct bfad_s *bfad) +{ + if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) { + bfad_ipfc_port_delete(bfad, &bfad->pport); + bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC; + } + + if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM) + && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) { + bfad_im_scsi_host_free(bfad, bfad->pport.im_port); + bfad_im_port_clean(bfad->pport.im_port); + kfree(bfad->pport.im_port); + bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM; + } + + bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; +} + +void +bfad_drv_log_level_set(struct bfad_s *bfad) +{ + if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX) + bfa_log_set_level_all(&bfad->log_data, log_level); +} + + /* + * PCI_entry PCI driver entries * { + */ + +/** + * PCI probe entry. + */ +int +bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) +{ + struct bfad_s *bfad; + int error = -ENODEV, retval; + char buf[16]; + + /* + * For single port cards - only claim function 0 + */ + if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) + && (PCI_FUNC(pdev->devfn) != 0)) + return -ENODEV; + + BFA_TRACE(BFA_INFO, "bfad_pci_probe entry"); + + bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); + if (!bfad) { + error = -ENOMEM; + goto out; + } + + bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); + if (!bfad->trcmod) { + printk(KERN_WARNING "Error alloc trace buffer!\n"); + error = -ENOMEM; + goto out_alloc_trace_failure; + } + + /* + * LOG/TRACE INIT + */ + bfa_trc_init(bfad->trcmod); + bfa_trc(bfad, bfad_inst); + + bfad->logmod = &bfad->log_data; + sprintf(buf, "%d", bfad_inst); + bfa_log_init(bfad->logmod, buf, bfa_os_printf); + + bfad_drv_log_level_set(bfad); + + bfad->aen = &bfad->aen_buf; + + if (!(bfad_load_fwimg(pdev))) { + printk(KERN_WARNING "bfad_load_fwimg failure!\n"); + kfree(bfad->trcmod); + goto out_alloc_trace_failure; + } + + retval = bfad_pci_init(pdev, bfad); + if (retval) { + printk(KERN_WARNING "bfad_pci_init failure!\n"); + error = retval; + goto out_pci_init_failure; + } + + mutex_lock(&bfad_mutex); + bfad->inst_no = bfad_inst++; + list_add_tail(&bfad->list_entry, &bfad_list); + mutex_unlock(&bfad_mutex); + + spin_lock_init(&bfad->bfad_lock); + pci_set_drvdata(pdev, bfad); + + bfad->ref_count = 0; + bfad->pport.bfad = bfad; + + retval = bfad_drv_init(bfad); + if (retval != BFA_STATUS_OK) + goto out_drv_init_failure; + if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { + printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no); + goto ok; + } + + /* + * PPORT FCS config + */ + bfad_fcs_port_cfg(bfad); + + retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM); + if (retval != BFA_STATUS_OK) + goto out_cfg_pport_failure; + + /* + * BFAD level FC4 (IM/TM/IPFC) specific resource allocation + */ + retval = bfad_fc4_probe(bfad); + if (retval != BFA_STATUS_OK) { + printk(KERN_WARNING "bfad_fc4_probe failed\n"); + goto out_fc4_probe_failure; + } + + bfad_drv_start(bfad); + + /* + * If bfa_linkup_delay is set to -1 default; try to retrive the + * value using the bfad_os_get_linkup_delay(); else use the + * passed in module param value as the bfa_linkup_delay. + */ + if (bfa_linkup_delay < 0) { + bfa_linkup_delay = bfad_os_get_linkup_delay(bfad); + bfad_os_rport_online_wait(bfad); + bfa_linkup_delay = -1; + } else { + bfad_os_rport_online_wait(bfad); + } + + bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name); +ok: + return 0; + +out_fc4_probe_failure: + bfad_fc4_probe_undo(bfad); + bfad_uncfg_pport(bfad); +out_cfg_pport_failure: + bfad_drv_uninit(bfad); +out_drv_init_failure: + mutex_lock(&bfad_mutex); + bfad_inst--; + list_del(&bfad->list_entry); + mutex_unlock(&bfad_mutex); + bfad_pci_uninit(pdev, bfad); +out_pci_init_failure: + kfree(bfad->trcmod); +out_alloc_trace_failure: + kfree(bfad); +out: + return error; +} + +/** + * PCI remove entry. + */ +void +bfad_pci_remove(struct pci_dev *pdev) +{ + struct bfad_s *bfad = pci_get_drvdata(pdev); + unsigned long flags; + + bfa_trc(bfad, bfad->inst_no); + + if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE) + && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { + + spin_lock_irqsave(&bfad->bfad_lock, flags); + init_completion(&bfad->comp); + bfa_stop(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_for_completion(&bfad->comp); + + bfad_remove_intr(bfad); + del_timer_sync(&bfad->hal_tmo); + goto hal_detach; + } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) { + goto remove_sysfs; + } + + if (bfad->bfad_flags & BFAD_HAL_START_DONE) + bfad_drv_stop(bfad); + + bfad_remove_intr(bfad); + + del_timer_sync(&bfad->hal_tmo); + bfad_fc4_probe_undo(bfad); + + if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) + bfad_uncfg_pport(bfad); + +hal_detach: + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_detach(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfad_hal_mem_release(bfad); +remove_sysfs: + + mutex_lock(&bfad_mutex); + bfad_inst--; + list_del(&bfad->list_entry); + mutex_unlock(&bfad_mutex); + bfad_pci_uninit(pdev, bfad); + + kfree(bfad->trcmod); + kfree(bfad); +} + + +static struct pci_device_id bfad_id_table[] = { + { + .vendor = BFA_PCI_VENDOR_ID_BROCADE, + .device = BFA_PCI_DEVICE_ID_FC_8G2P, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + { + .vendor = BFA_PCI_VENDOR_ID_BROCADE, + .device = BFA_PCI_DEVICE_ID_FC_8G1P, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + { + .vendor = BFA_PCI_VENDOR_ID_BROCADE, + .device = BFA_PCI_DEVICE_ID_CT, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .class = (PCI_CLASS_SERIAL_FIBER << 8), + .class_mask = ~0, + }, + + {0, 0}, +}; + +MODULE_DEVICE_TABLE(pci, bfad_id_table); + +static struct pci_driver bfad_pci_driver = { + .name = BFAD_DRIVER_NAME, + .id_table = bfad_id_table, + .probe = bfad_pci_probe, + .remove = __devexit_p(bfad_pci_remove), +}; + +/** + * Linux driver module functions + */ +bfa_status_t +bfad_fc4_module_init(void) +{ + int rc; + + rc = bfad_im_module_init(); + if (rc != BFA_STATUS_OK) + goto ext; + + bfad_tm_module_init(); + if (ipfc_enable) + bfad_ipfc_module_init(); +ext: + return rc; +} + +void +bfad_fc4_module_exit(void) +{ + if (ipfc_enable) + bfad_ipfc_module_exit(); + bfad_tm_module_exit(); + bfad_im_module_exit(); +} + +/** + * Driver module init. + */ +static int __init +bfad_init(void) +{ + int error = 0; + + printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", + BFAD_DRIVER_VERSION); + + if (num_sgpgs > 0) + num_sgpgs_parm = num_sgpgs; + + error = bfad_fc4_module_init(); + if (error) { + error = -ENOMEM; + printk(KERN_WARNING "bfad_fc4_module_init failure\n"); + goto ext; + } + + if (!strcmp(FCPI_NAME, " fcpim")) + bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM; + if (!strcmp(FCPT_NAME, " fcptm")) + bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM; + if (!strcmp(IPFC_NAME, " ipfc")) + bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC; + + bfa_ioc_auto_recover(ioc_auto_recover); + bfa_fcs_rport_set_del_timeout(rport_del_timeout); + error = pci_register_driver(&bfad_pci_driver); + + if (error) { + printk(KERN_WARNING "bfad pci_register_driver failure\n"); + goto ext; + } + + return 0; + +ext: + bfad_fc4_module_exit(); + return error; +} + +/** + * Driver module exit. + */ +static void __exit +bfad_exit(void) +{ + pci_unregister_driver(&bfad_pci_driver); + bfad_fc4_module_exit(); + bfad_free_fwimg(); +} + +#define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME + +module_init(bfad_init); +module_exit(bfad_exit); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); +MODULE_AUTHOR("Brocade Communications Systems, Inc."); +MODULE_VERSION(BFAD_DRIVER_VERSION); + + diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c new file mode 100644 index 000000000000..9129ae3040ff --- /dev/null +++ b/drivers/scsi/bfa/bfad_attr.c @@ -0,0 +1,649 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_attr.c Linux driver configuration interface module. + */ + +#include "bfad_drv.h" +#include "bfad_im.h" +#include "bfad_trcmod.h" +#include "bfad_attr.h" + +/** + * FC_transport_template FC transport template + */ + +/** + * FC transport template entry, get SCSI target port ID. + */ +void +bfad_im_get_starget_port_id(struct scsi_target *starget) +{ + struct Scsi_Host *shost; + struct bfad_im_port_s *im_port; + struct bfad_s *bfad; + struct bfad_itnim_s *itnim = NULL; + u32 fc_id = -1; + unsigned long flags; + + shost = bfad_os_starget_to_shost(starget); + im_port = (struct bfad_im_port_s *) shost->hostdata[0]; + bfad = im_port->bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + + itnim = bfad_os_get_itnim(im_port, starget->id); + if (itnim) + fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim); + + fc_starget_port_id(starget) = fc_id; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * FC transport template entry, get SCSI target nwwn. + */ +void +bfad_im_get_starget_node_name(struct scsi_target *starget) +{ + struct Scsi_Host *shost; + struct bfad_im_port_s *im_port; + struct bfad_s *bfad; + struct bfad_itnim_s *itnim = NULL; + u64 node_name = 0; + unsigned long flags; + + shost = bfad_os_starget_to_shost(starget); + im_port = (struct bfad_im_port_s *) shost->hostdata[0]; + bfad = im_port->bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + + itnim = bfad_os_get_itnim(im_port, starget->id); + if (itnim) + node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim); + + fc_starget_node_name(starget) = bfa_os_htonll(node_name); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * FC transport template entry, get SCSI target pwwn. + */ +void +bfad_im_get_starget_port_name(struct scsi_target *starget) +{ + struct Scsi_Host *shost; + struct bfad_im_port_s *im_port; + struct bfad_s *bfad; + struct bfad_itnim_s *itnim = NULL; + u64 port_name = 0; + unsigned long flags; + + shost = bfad_os_starget_to_shost(starget); + im_port = (struct bfad_im_port_s *) shost->hostdata[0]; + bfad = im_port->bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + + itnim = bfad_os_get_itnim(im_port, starget->id); + if (itnim) + port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim); + + fc_starget_port_name(starget) = bfa_os_htonll(port_name); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * FC transport template entry, get SCSI host port ID. + */ +void +bfad_im_get_host_port_id(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + + fc_host_port_id(shost) = + bfa_os_hton3b(bfa_fcs_port_get_fcid(port->fcs_port)); +} + + + + + +struct Scsi_Host * +bfad_os_starget_to_shost(struct scsi_target *starget) +{ + return dev_to_shost(starget->dev.parent); +} + +/** + * FC transport template entry, get SCSI host port type. + */ +static void +bfad_im_get_host_port_type(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_pport_attr_s attr; + + bfa_pport_get_attr(&bfad->bfa, &attr); + + switch (attr.port_type) { + case BFA_PPORT_TYPE_NPORT: + fc_host_port_type(shost) = FC_PORTTYPE_NPORT; + break; + case BFA_PPORT_TYPE_NLPORT: + fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; + break; + case BFA_PPORT_TYPE_P2P: + fc_host_port_type(shost) = FC_PORTTYPE_PTP; + break; + case BFA_PPORT_TYPE_LPORT: + fc_host_port_type(shost) = FC_PORTTYPE_LPORT; + break; + default: + fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; + break; + } +} + +/** + * FC transport template entry, get SCSI host port state. + */ +static void +bfad_im_get_host_port_state(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_pport_attr_s attr; + + bfa_pport_get_attr(&bfad->bfa, &attr); + + switch (attr.port_state) { + case BFA_PPORT_ST_LINKDOWN: + fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; + break; + case BFA_PPORT_ST_LINKUP: + fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; + break; + case BFA_PPORT_ST_UNINIT: + case BFA_PPORT_ST_ENABLING_QWAIT: + case BFA_PPORT_ST_ENABLING: + case BFA_PPORT_ST_DISABLING_QWAIT: + case BFA_PPORT_ST_DISABLING: + case BFA_PPORT_ST_DISABLED: + case BFA_PPORT_ST_STOPPED: + case BFA_PPORT_ST_IOCDOWN: + default: + fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; + break; + } +} + +/** + * FC transport template entry, get SCSI host active fc4s. + */ +static void +bfad_im_get_host_active_fc4s(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + + memset(fc_host_active_fc4s(shost), 0, + sizeof(fc_host_active_fc4s(shost))); + + if (port->supported_fc4s & + (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM)) + fc_host_active_fc4s(shost)[2] = 1; + + if (port->supported_fc4s & BFA_PORT_ROLE_FCP_IPFC) + fc_host_active_fc4s(shost)[3] = 0x20; + + fc_host_active_fc4s(shost)[7] = 1; +} + +/** + * FC transport template entry, get SCSI host link speed. + */ +static void +bfad_im_get_host_speed(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_pport_attr_s attr; + + bfa_pport_get_attr(&bfad->bfa, &attr); + switch (attr.speed) { + case BFA_PPORT_SPEED_8GBPS: + fc_host_speed(shost) = FC_PORTSPEED_8GBIT; + break; + case BFA_PPORT_SPEED_4GBPS: + fc_host_speed(shost) = FC_PORTSPEED_4GBIT; + break; + case BFA_PPORT_SPEED_2GBPS: + fc_host_speed(shost) = FC_PORTSPEED_2GBIT; + break; + case BFA_PPORT_SPEED_1GBPS: + fc_host_speed(shost) = FC_PORTSPEED_1GBIT; + break; + default: + fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; + break; + } +} + +/** + * FC transport template entry, get SCSI host port type. + */ +static void +bfad_im_get_host_fabric_name(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + wwn_t fabric_nwwn = 0; + + fabric_nwwn = bfa_fcs_port_get_fabric_name(port->fcs_port); + + fc_host_fabric_name(shost) = bfa_os_htonll(fabric_nwwn); + +} + +/** + * FC transport template entry, get BFAD statistics. + */ +static struct fc_host_statistics * +bfad_im_get_stats(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_hal_comp fcomp; + struct fc_host_statistics *hstats; + bfa_status_t rc; + unsigned long flags; + + hstats = &bfad->link_stats; + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + memset(hstats, 0, sizeof(struct fc_host_statistics)); + rc = bfa_pport_get_stats(&bfad->bfa, + (union bfa_pport_stats_u *) hstats, + bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (rc != BFA_STATUS_OK) + return NULL; + + wait_for_completion(&fcomp.comp); + + return hstats; +} + +/** + * FC transport template entry, reset BFAD statistics. + */ +static void +bfad_im_reset_stats(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_hal_comp fcomp; + unsigned long flags; + bfa_status_t rc; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + rc = bfa_pport_clear_stats(&bfad->bfa, bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (rc != BFA_STATUS_OK) + return; + + wait_for_completion(&fcomp.comp); + + return; +} + +/** + * FC transport template entry, get rport loss timeout. + */ +static void +bfad_im_get_rport_loss_tmo(struct fc_rport *rport) +{ + struct bfad_itnim_data_s *itnim_data = rport->dd_data; + struct bfad_itnim_s *itnim = itnim_data->itnim; + struct bfad_s *bfad = itnim->im->bfad; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * FC transport template entry, set rport loss timeout. + */ +static void +bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout) +{ + struct bfad_itnim_data_s *itnim_data = rport->dd_data; + struct bfad_itnim_s *itnim = itnim_data->itnim; + struct bfad_s *bfad = itnim->im->bfad; + unsigned long flags; + + if (timeout > 0) { + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcpim_path_tov_set(&bfad->bfa, timeout); + rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + } + +} + +struct fc_function_template bfad_im_fc_function_template = { + + /* Target dynamic attributes */ + .get_starget_port_id = bfad_im_get_starget_port_id, + .show_starget_port_id = 1, + .get_starget_node_name = bfad_im_get_starget_node_name, + .show_starget_node_name = 1, + .get_starget_port_name = bfad_im_get_starget_port_name, + .show_starget_port_name = 1, + + /* Host dynamic attribute */ + .get_host_port_id = bfad_im_get_host_port_id, + .show_host_port_id = 1, + + /* Host fixed attributes */ + .show_host_node_name = 1, + .show_host_port_name = 1, + .show_host_supported_classes = 1, + .show_host_supported_fc4s = 1, + .show_host_supported_speeds = 1, + .show_host_maxframe_size = 1, + + /* More host dynamic attributes */ + .show_host_port_type = 1, + .get_host_port_type = bfad_im_get_host_port_type, + .show_host_port_state = 1, + .get_host_port_state = bfad_im_get_host_port_state, + .show_host_active_fc4s = 1, + .get_host_active_fc4s = bfad_im_get_host_active_fc4s, + .show_host_speed = 1, + .get_host_speed = bfad_im_get_host_speed, + .show_host_fabric_name = 1, + .get_host_fabric_name = bfad_im_get_host_fabric_name, + + .show_host_symbolic_name = 1, + + /* Statistics */ + .get_fc_host_stats = bfad_im_get_stats, + .reset_fc_host_stats = bfad_im_reset_stats, + + /* Allocation length for host specific data */ + .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *), + + /* Remote port fixed attributes */ + .show_rport_maxframe_size = 1, + .show_rport_supported_classes = 1, + .show_rport_dev_loss_tmo = 1, + .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo, + .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo, +}; + +/** + * Scsi_Host_attrs SCSI host attributes + */ +static ssize_t +bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", + ioc_attr.adapter_attr.serial_num); +} + +static ssize_t +bfad_im_model_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.model); +} + +static ssize_t +bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", + ioc_attr.adapter_attr.model_descr); +} + +static ssize_t +bfad_im_node_name_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + u64 nwwn; + + nwwn = bfa_fcs_port_get_nwwn(port->fcs_port); + return snprintf(buf, PAGE_SIZE, "0x%llx\n", bfa_os_htonll(nwwn)); +} + +static ssize_t +bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + + return snprintf(buf, PAGE_SIZE, "Brocade %s FV%s DV%s\n", + ioc_attr.adapter_attr.model, + ioc_attr.adapter_attr.fw_ver, BFAD_DRIVER_VERSION); +} + +static ssize_t +bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.hw_ver); +} + +static ssize_t +bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION); +} + +static ssize_t +bfad_im_optionrom_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", + ioc_attr.adapter_attr.optrom_ver); +} + +static ssize_t +bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.fw_ver); +} + +static ssize_t +bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%d\n", ioc_attr.adapter_attr.nports); +} + +static ssize_t +bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME); +} + +static ssize_t +bfad_im_num_of_discovered_ports_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + struct bfad_s *bfad = im_port->bfad; + int nrports = 2048; + wwn_t *rports = NULL; + unsigned long flags; + + rports = kzalloc(sizeof(wwn_t) * nrports , GFP_ATOMIC); + if (rports == NULL) + return -ENOMEM; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_port_get_rports(port->fcs_port, rports, &nrports); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + kfree(rports); + + return snprintf(buf, PAGE_SIZE, "%d\n", nrports); +} + +static DEVICE_ATTR(serial_number, S_IRUGO, + bfad_im_serial_num_show, NULL); +static DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL); +static DEVICE_ATTR(model_description, S_IRUGO, + bfad_im_model_desc_show, NULL); +static DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL); +static DEVICE_ATTR(symbolic_name, S_IRUGO, + bfad_im_symbolic_name_show, NULL); +static DEVICE_ATTR(hardware_version, S_IRUGO, + bfad_im_hw_version_show, NULL); +static DEVICE_ATTR(driver_version, S_IRUGO, + bfad_im_drv_version_show, NULL); +static DEVICE_ATTR(option_rom_version, S_IRUGO, + bfad_im_optionrom_version_show, NULL); +static DEVICE_ATTR(firmware_version, S_IRUGO, + bfad_im_fw_version_show, NULL); +static DEVICE_ATTR(number_of_ports, S_IRUGO, + bfad_im_num_of_ports_show, NULL); +static DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL); +static DEVICE_ATTR(number_of_discovered_ports, S_IRUGO, + bfad_im_num_of_discovered_ports_show, NULL); + +struct device_attribute *bfad_im_host_attrs[] = { + &dev_attr_serial_number, + &dev_attr_model, + &dev_attr_model_description, + &dev_attr_node_name, + &dev_attr_symbolic_name, + &dev_attr_hardware_version, + &dev_attr_driver_version, + &dev_attr_option_rom_version, + &dev_attr_firmware_version, + &dev_attr_number_of_ports, + &dev_attr_driver_name, + &dev_attr_number_of_discovered_ports, + NULL, +}; + +struct device_attribute *bfad_im_vport_attrs[] = { + &dev_attr_serial_number, + &dev_attr_model, + &dev_attr_model_description, + &dev_attr_node_name, + &dev_attr_symbolic_name, + &dev_attr_hardware_version, + &dev_attr_driver_version, + &dev_attr_option_rom_version, + &dev_attr_firmware_version, + &dev_attr_number_of_ports, + &dev_attr_driver_name, + &dev_attr_number_of_discovered_ports, + NULL, +}; + + diff --git a/drivers/scsi/bfa/bfad_attr.h b/drivers/scsi/bfa/bfad_attr.h new file mode 100644 index 000000000000..4d3312da6a81 --- /dev/null +++ b/drivers/scsi/bfa/bfad_attr.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFAD_ATTR_H__ +#define __BFAD_ATTR_H__ +/** + * bfad_attr.h VMware driver configuration interface module. + */ + +/** + * FC_transport_template FC transport template + */ + +struct Scsi_Host* +bfad_os_dev_to_shost(struct scsi_target *starget); + +/** + * FC transport template entry, get SCSI target port ID. + */ +void +bfad_im_get_starget_port_id(struct scsi_target *starget); + +/** + * FC transport template entry, get SCSI target nwwn. + */ +void +bfad_im_get_starget_node_name(struct scsi_target *starget); + +/** + * FC transport template entry, get SCSI target pwwn. + */ +void +bfad_im_get_starget_port_name(struct scsi_target *starget); + +/** + * FC transport template entry, get SCSI host port ID. + */ +void +bfad_im_get_host_port_id(struct Scsi_Host *shost); + +/** + * FC transport template entry, issue a LIP. + */ +int +bfad_im_issue_fc_host_lip(struct Scsi_Host *shost); + +struct Scsi_Host* +bfad_os_starget_to_shost(struct scsi_target *starget); + + +#endif /* __BFAD_ATTR_H__ */ diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h new file mode 100644 index 000000000000..172c81e25c1c --- /dev/null +++ b/drivers/scsi/bfa/bfad_drv.h @@ -0,0 +1,295 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * Contains base driver definitions. + */ + +/** + * bfa_drv.h Linux driver data structures. + */ + +#ifndef __BFAD_DRV_H__ +#define __BFAD_DRV_H__ + +#include "bfa_os_inc.h" + +#include <bfa.h> +#include <bfa_svc.h> +#include <fcs/bfa_fcs.h> +#include <defs/bfa_defs_pci.h> +#include <defs/bfa_defs_port.h> +#include <defs/bfa_defs_rport.h> +#include <fcs/bfa_fcs_rport.h> +#include <defs/bfa_defs_vport.h> +#include <fcs/bfa_fcs_vport.h> + +#include <cs/bfa_plog.h> +#include "aen/bfa_aen.h" +#include <log/bfa_log_linux.h> + +#define BFAD_DRIVER_NAME "bfa" +#ifdef BFA_DRIVER_VERSION +#define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION +#else +#define BFAD_DRIVER_VERSION "2.0.0.0" +#endif + + +#define BFAD_IRQ_FLAGS IRQF_SHARED + +/* + * BFAD flags + */ +#define BFAD_MSIX_ON 0x00000001 +#define BFAD_HAL_INIT_DONE 0x00000002 +#define BFAD_DRV_INIT_DONE 0x00000004 +#define BFAD_CFG_PPORT_DONE 0x00000008 +#define BFAD_HAL_START_DONE 0x00000010 +#define BFAD_PORT_ONLINE 0x00000020 +#define BFAD_RPORT_ONLINE 0x00000040 + +#define BFAD_PORT_DELETE 0x00000001 + +/* + * BFAD related definition + */ +#define SCSI_SCAN_DELAY HZ +#define BFAD_STOP_TIMEOUT 30 +#define BFAD_SUSPEND_TIMEOUT BFAD_STOP_TIMEOUT + +/* + * BFAD configuration parameter default values + */ +#define BFAD_LUN_QUEUE_DEPTH 32 +#define BFAD_IO_MAX_SGE SG_ALL + +#define bfad_isr_t irq_handler_t + +#define MAX_MSIX_ENTRY 22 + +struct bfad_msix_s { + struct bfad_s *bfad; + struct msix_entry msix; +}; + +enum bfad_port_pvb_type { + BFAD_PORT_PHYS_BASE = 0, + BFAD_PORT_PHYS_VPORT = 1, + BFAD_PORT_VF_BASE = 2, + BFAD_PORT_VF_VPORT = 3, +}; + +/* + * PORT data structure + */ +struct bfad_port_s { + struct list_head list_entry; + struct bfad_s *bfad; + struct bfa_fcs_port_s *fcs_port; + u32 roles; + s32 flags; + u32 supported_fc4s; + u8 ipfc_flags; + enum bfad_port_pvb_type pvb_type; + struct bfad_im_port_s *im_port; /* IM specific data */ + struct bfad_tm_port_s *tm_port; /* TM specific data */ + struct bfad_ipfc_port_s *ipfc_port; /* IPFC specific data */ +}; + +/* + * VPORT data structure + */ +struct bfad_vport_s { + struct bfad_port_s drv_port; + struct bfa_fcs_vport_s fcs_vport; + struct completion *comp_del; +}; + +/* + * VF data structure + */ +struct bfad_vf_s { + bfa_fcs_vf_t fcs_vf; + struct bfad_port_s base_port; /* base port for vf */ + struct bfad_s *bfad; +}; + +struct bfad_cfg_param_s { + u32 rport_del_timeout; + u32 ioc_queue_depth; + u32 lun_queue_depth; + u32 io_max_sge; + u32 binding_method; +}; + +#define BFAD_AEN_MAX_APPS 8 +struct bfad_aen_file_s { + struct list_head qe; + struct bfad_s *bfad; + s32 ri; + s32 app_id; +}; + +/* + * BFAD (PCI function) data structure + */ +struct bfad_s { + struct list_head list_entry; + struct bfa_s bfa; + struct bfa_fcs_s bfa_fcs; + struct pci_dev *pcidev; + const char *pci_name; + struct bfa_pcidev_s hal_pcidev; + struct bfa_ioc_pci_attr_s pci_attr; + unsigned long pci_bar0_map; + void __iomem *pci_bar0_kva; + struct completion comp; + struct completion suspend; + struct completion disable_comp; + bfa_boolean_t disable_active; + struct bfad_port_s pport; /* physical port of the BFAD */ + struct bfa_meminfo_s meminfo; + struct bfa_iocfc_cfg_s ioc_cfg; + u32 inst_no; /* BFAD instance number */ + u32 bfad_flags; + spinlock_t bfad_lock; + struct bfad_cfg_param_s cfg_data; + struct bfad_msix_s msix_tab[MAX_MSIX_ENTRY]; + int nvec; + char adapter_name[BFA_ADAPTER_SYM_NAME_LEN]; + char port_name[BFA_ADAPTER_SYM_NAME_LEN]; + struct timer_list hal_tmo; + unsigned long hs_start; + struct bfad_im_s *im; /* IM specific data */ + struct bfad_tm_s *tm; /* TM specific data */ + struct bfad_ipfc_s *ipfc; /* IPFC specific data */ + struct bfa_log_mod_s log_data; + struct bfa_trc_mod_s *trcmod; + struct bfa_log_mod_s *logmod; + struct bfa_aen_s *aen; + struct bfa_aen_s aen_buf; + struct bfad_aen_file_s file_buf[BFAD_AEN_MAX_APPS]; + struct list_head file_q; + struct list_head file_free_q; + struct bfa_plog_s plog_buf; + int ref_count; + bfa_boolean_t ipfc_enabled; + struct fc_host_statistics link_stats; + + struct kobject *bfa_kobj; + struct kobject *ioc_kobj; + struct kobject *pport_kobj; + struct kobject *lport_kobj; +}; + +/* + * RPORT data structure + */ +struct bfad_rport_s { + struct bfa_fcs_rport_s fcs_rport; +}; + +struct bfad_buf_info { + void *virt; + dma_addr_t phys; + u32 size; +}; + +struct bfad_fcxp { + struct bfad_port_s *port; + struct bfa_rport_s *bfa_rport; + bfa_status_t req_status; + u16 tag; + u16 rsp_len; + u16 rsp_maxlen; + u8 use_ireqbuf; + u8 use_irspbuf; + u32 num_req_sgles; + u32 num_rsp_sgles; + struct fchs_s fchs; + void *reqbuf_info; + void *rspbuf_info; + struct bfa_sge_s *req_sge; + struct bfa_sge_s *rsp_sge; + fcxp_send_cb_t send_cbfn; + void *send_cbarg; + void *bfa_fcxp; + struct completion comp; +}; + +struct bfad_hal_comp { + bfa_status_t status; + struct completion comp; +}; + +/* + * Macro to obtain the immediate lower power + * of two for the integer. + */ +#define nextLowerInt(x) \ +do { \ + int j; \ + (*x)--; \ + for (j = 1; j < (sizeof(int) * 8); j <<= 1) \ + (*x) = (*x) | (*x) >> j; \ + (*x)++; \ + (*x) = (*x) >> 1; \ +} while (0) + + +bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg); +bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg); +bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role); +bfa_status_t bfad_drv_init(struct bfad_s *bfad); +void bfad_drv_start(struct bfad_s *bfad); +void bfad_uncfg_pport(struct bfad_s *bfad); +void bfad_drv_stop(struct bfad_s *bfad); +void bfad_remove_intr(struct bfad_s *bfad); +void bfad_hal_mem_release(struct bfad_s *bfad); +void bfad_hcb_comp(void *arg, bfa_status_t status); + +int bfad_setup_intr(struct bfad_s *bfad); +void bfad_remove_intr(struct bfad_s *bfad); + +void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg); +bfa_status_t bfad_hal_mem_alloc(struct bfad_s *bfad); +void bfad_bfa_tmo(unsigned long data); +void bfad_init_timer(struct bfad_s *bfad); +int bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad); +void bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad); +void bfad_fcs_port_cfg(struct bfad_s *bfad); +void bfad_drv_uninit(struct bfad_s *bfad); +void bfad_drv_log_level_set(struct bfad_s *bfad); +bfa_status_t bfad_fc4_module_init(void); +void bfad_fc4_module_exit(void); + +void bfad_pci_remove(struct pci_dev *pdev); +int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid); +void bfad_os_rport_online_wait(struct bfad_s *bfad); +int bfad_os_get_linkup_delay(struct bfad_s *bfad); +int bfad_install_msix_handler(struct bfad_s *bfad); + +extern struct idr bfad_im_port_index; +extern struct list_head bfad_list; +extern int bfa_lun_queue_depth; +extern int bfad_supported_fc4s; +extern int bfa_linkup_delay; + +#endif /* __BFAD_DRV_H__ */ diff --git a/drivers/scsi/bfa/bfad_fwimg.c b/drivers/scsi/bfa/bfad_fwimg.c new file mode 100644 index 000000000000..b2f6949bc8d3 --- /dev/null +++ b/drivers/scsi/bfa/bfad_fwimg.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfad_fwimg.c Linux driver PCI interface module. + */ +#include <bfa_os_inc.h> +#include <bfad_drv.h> +#include <bfad_im_compat.h> +#include <defs/bfa_defs_version.h> +#include <linux/errno.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <asm/uaccess.h> +#include <asm/fcntl.h> +#include <linux/pci.h> +#include <linux/firmware.h> +#include <bfa_fwimg_priv.h> +#include <bfa.h> + +u32 bfi_image_ct_size; +u32 bfi_image_cb_size; +u32 *bfi_image_ct; +u32 *bfi_image_cb; + + +#define BFAD_FW_FILE_CT "ctfw.bin" +#define BFAD_FW_FILE_CB "cbfw.bin" + +u32 * +bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, + u32 *bfi_image_size, char *fw_name) +{ + const struct firmware *fw; + + if (request_firmware(&fw, fw_name, &pdev->dev)) { + printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); + goto error; + } + + *bfi_image = vmalloc(fw->size); + if (NULL == *bfi_image) { + printk(KERN_ALERT "Fail to allocate buffer for fw image " + "size=%x!\n", (u32) fw->size); + goto error; + } + + memcpy(*bfi_image, fw->data, fw->size); + *bfi_image_size = fw->size/sizeof(u32); + + return(*bfi_image); + +error: + return(NULL); +} + +u32 * +bfad_get_firmware_buf(struct pci_dev *pdev) +{ + if (pdev->device == BFA_PCI_DEVICE_ID_CT) { + if (bfi_image_ct_size == 0) + bfad_read_firmware(pdev, &bfi_image_ct, + &bfi_image_ct_size, BFAD_FW_FILE_CT); + return(bfi_image_ct); + } else { + if (bfi_image_cb_size == 0) + bfad_read_firmware(pdev, &bfi_image_cb, + &bfi_image_cb_size, BFAD_FW_FILE_CB); + return(bfi_image_cb); + } +} + +u32 * +bfi_image_ct_get_chunk(u32 off) +{ return (u32 *)(bfi_image_ct + off); } + +u32 * +bfi_image_cb_get_chunk(u32 off) +{ return (u32 *)(bfi_image_cb + off); } + diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c new file mode 100644 index 000000000000..158c99243c08 --- /dev/null +++ b/drivers/scsi/bfa/bfad_im.c @@ -0,0 +1,1230 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfad_im.c Linux driver IM module. + */ + +#include "bfad_drv.h" +#include "bfad_im.h" +#include "bfad_trcmod.h" +#include "bfa_cb_ioim_macros.h" +#include <fcb/bfa_fcb_fcpim.h> + +BFA_TRC_FILE(LDRV, IM); + +DEFINE_IDR(bfad_im_port_index); +struct scsi_transport_template *bfad_im_scsi_transport_template; +static void bfad_im_itnim_work_handler(struct work_struct *work); +static int bfad_im_queuecommand(struct scsi_cmnd *cmnd, + void (*done)(struct scsi_cmnd *)); +static int bfad_im_slave_alloc(struct scsi_device *sdev); + +void +bfa_cb_ioim_done(void *drv, struct bfad_ioim_s *dio, + enum bfi_ioim_status io_status, u8 scsi_status, + int sns_len, u8 *sns_info, s32 residue) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct bfad_s *bfad = drv; + struct bfad_itnim_data_s *itnim_data; + struct bfad_itnim_s *itnim; + + switch (io_status) { + case BFI_IOIM_STS_OK: + bfa_trc(bfad, scsi_status); + cmnd->result = ScsiResult(DID_OK, scsi_status); + scsi_set_resid(cmnd, 0); + + if (sns_len > 0) { + bfa_trc(bfad, sns_len); + if (sns_len > SCSI_SENSE_BUFFERSIZE) + sns_len = SCSI_SENSE_BUFFERSIZE; + memcpy(cmnd->sense_buffer, sns_info, sns_len); + } + if (residue > 0) + scsi_set_resid(cmnd, residue); + break; + + case BFI_IOIM_STS_ABORTED: + case BFI_IOIM_STS_TIMEDOUT: + case BFI_IOIM_STS_PATHTOV: + default: + cmnd->result = ScsiResult(DID_ERROR, 0); + } + + /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */ + if (cmnd->device->host != NULL) + scsi_dma_unmap(cmnd); + + cmnd->host_scribble = NULL; + bfa_trc(bfad, cmnd->result); + + itnim_data = cmnd->device->hostdata; + if (itnim_data) { + itnim = itnim_data->itnim; + if (!cmnd->result && itnim && + (bfa_lun_queue_depth > cmnd->device->queue_depth)) { + /* Queue depth adjustment for good status completion */ + bfad_os_ramp_up_qdepth(itnim, cmnd->device); + } else if (cmnd->result == SAM_STAT_TASK_SET_FULL && itnim) { + /* qfull handling */ + bfad_os_handle_qfull(itnim, cmnd->device); + } + } + + cmnd->scsi_done(cmnd); +} + +void +bfa_cb_ioim_good_comp(void *drv, struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct bfad_itnim_data_s *itnim_data; + struct bfad_itnim_s *itnim; + + cmnd->result = ScsiResult(DID_OK, SCSI_STATUS_GOOD); + + /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */ + if (cmnd->device->host != NULL) + scsi_dma_unmap(cmnd); + + cmnd->host_scribble = NULL; + + /* Queue depth adjustment */ + if (bfa_lun_queue_depth > cmnd->device->queue_depth) { + itnim_data = cmnd->device->hostdata; + if (itnim_data) { + itnim = itnim_data->itnim; + if (itnim) + bfad_os_ramp_up_qdepth(itnim, cmnd->device); + } + } + + cmnd->scsi_done(cmnd); +} + +void +bfa_cb_ioim_abort(void *drv, struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct bfad_s *bfad = drv; + + cmnd->result = ScsiResult(DID_ERROR, 0); + + /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */ + if (cmnd->device->host != NULL) + scsi_dma_unmap(cmnd); + + bfa_trc(bfad, cmnd->result); + cmnd->host_scribble = NULL; +} + +void +bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, + enum bfi_tskim_status tsk_status) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dtsk; + wait_queue_head_t *wq; + + cmnd->SCp.Status |= tsk_status << 1; + set_bit(IO_DONE_BIT, (unsigned long *)&cmnd->SCp.Status); + wq = (wait_queue_head_t *) cmnd->SCp.ptr; + cmnd->SCp.ptr = NULL; + + if (wq) + wake_up(wq); +} + +void +bfa_cb_ioim_resfree(void *drv) +{ +} + +/** + * Scsi_Host_template SCSI host template + */ +/** + * Scsi_Host template entry, returns BFAD PCI info. + */ +static const char * +bfad_im_info(struct Scsi_Host *shost) +{ + static char bfa_buf[256]; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfa_ioc_attr_s ioc_attr; + struct bfad_s *bfad = im_port->bfad; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + + memset(bfa_buf, 0, sizeof(bfa_buf)); + snprintf(bfa_buf, sizeof(bfa_buf), + "Brocade FC/FCOE Adapter, " "model: %s hwpath: %s driver: %s", + ioc_attr.adapter_attr.model, bfad->pci_name, + BFAD_DRIVER_VERSION); + return bfa_buf; +} + +/** + * Scsi_Host template entry, aborts the specified SCSI command. + * + * Returns: SUCCESS or FAILED. + */ +static int +bfad_im_abort_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioim_s *hal_io; + unsigned long flags; + u32 timeout; + int rc = FAILED; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + hal_io = (struct bfa_ioim_s *) cmnd->host_scribble; + if (!hal_io) { + /* IO has been completed, retrun success */ + rc = SUCCESS; + goto out; + } + if (hal_io->dio != (struct bfad_ioim_s *) cmnd) { + rc = FAILED; + goto out; + } + + bfa_trc(bfad, hal_io->iotag); + bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_ABORT, + im_port->shost->host_no, cmnd, hal_io->iotag); + bfa_ioim_abort(hal_io); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + /* Need to wait until the command get aborted */ + timeout = 10; + while ((struct bfa_ioim_s *) cmnd->host_scribble == hal_io) { + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(timeout); + if (timeout < 4 * HZ) + timeout *= 2; + } + + cmnd->scsi_done(cmnd); + bfa_trc(bfad, hal_io->iotag); + bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_ABORT_COMP, + im_port->shost->host_no, cmnd, hal_io->iotag); + return SUCCESS; +out: + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return rc; +} + +static bfa_status_t +bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd, + struct bfad_itnim_s *itnim) +{ + struct bfa_tskim_s *tskim; + struct bfa_itnim_s *bfa_itnim; + bfa_status_t rc = BFA_STATUS_OK; + + bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); + tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd); + if (!tskim) { + BFA_DEV_PRINTF(bfad, BFA_ERR, + "target reset, fail to allocate tskim\n"); + rc = BFA_STATUS_FAILED; + goto out; + } + + /* + * Set host_scribble to NULL to avoid aborting a task command if + * happens. + */ + cmnd->host_scribble = NULL; + cmnd->SCp.Status = 0; + bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); + bfa_tskim_start(tskim, bfa_itnim, (lun_t)0, + FCP_TM_TARGET_RESET, BFAD_TARGET_RESET_TMO); +out: + return rc; +} + +/** + * Scsi_Host template entry, resets a LUN and abort its all commands. + * + * Returns: SUCCESS or FAILED. + * + */ +static int +bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_itnim_data_s *itnim_data = cmnd->device->hostdata; + struct bfad_s *bfad = im_port->bfad; + struct bfa_tskim_s *tskim; + struct bfad_itnim_s *itnim; + struct bfa_itnim_s *bfa_itnim; + DECLARE_WAIT_QUEUE_HEAD(wq); + int rc = SUCCESS; + unsigned long flags; + enum bfi_tskim_status task_status; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + itnim = itnim_data->itnim; + if (!itnim) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + rc = FAILED; + goto out; + } + + tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd); + if (!tskim) { + BFA_DEV_PRINTF(bfad, BFA_ERR, + "LUN reset, fail to allocate tskim"); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + rc = FAILED; + goto out; + } + + /** + * Set host_scribble to NULL to avoid aborting a task command + * if happens. + */ + cmnd->host_scribble = NULL; + cmnd->SCp.ptr = (char *)&wq; + cmnd->SCp.Status = 0; + bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); + bfa_tskim_start(tskim, bfa_itnim, + bfad_int_to_lun(cmnd->device->lun), + FCP_TM_LUN_RESET, BFAD_LUN_RESET_TMO); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + wait_event(wq, test_bit(IO_DONE_BIT, + (unsigned long *)&cmnd->SCp.Status)); + + task_status = cmnd->SCp.Status >> 1; + if (task_status != BFI_TSKIM_STS_OK) { + BFA_DEV_PRINTF(bfad, BFA_ERR, "LUN reset failure, status: %d\n", + task_status); + rc = FAILED; + } + +out: + return rc; +} + +/** + * Scsi_Host template entry, resets the bus and abort all commands. + */ +static int +bfad_im_reset_bus_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_itnim_s *itnim; + unsigned long flags; + u32 i, rc, err_cnt = 0; + DECLARE_WAIT_QUEUE_HEAD(wq); + enum bfi_tskim_status task_status; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + for (i = 0; i < MAX_FCP_TARGET; i++) { + itnim = bfad_os_get_itnim(im_port, i); + if (itnim) { + cmnd->SCp.ptr = (char *)&wq; + rc = bfad_im_target_reset_send(bfad, cmnd, itnim); + if (rc != BFA_STATUS_OK) { + err_cnt++; + continue; + } + + /* wait target reset to complete */ + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_event(wq, test_bit(IO_DONE_BIT, + (unsigned long *)&cmnd->SCp.Status)); + spin_lock_irqsave(&bfad->bfad_lock, flags); + + task_status = cmnd->SCp.Status >> 1; + if (task_status != BFI_TSKIM_STS_OK) { + BFA_DEV_PRINTF(bfad, BFA_ERR, + "target reset failure," + " status: %d\n", task_status); + err_cnt++; + } + } + } + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (err_cnt) + return FAILED; + + return SUCCESS; +} + +/** + * Scsi_Host template entry slave_destroy. + */ +static void +bfad_im_slave_destroy(struct scsi_device *sdev) +{ + sdev->hostdata = NULL; + return; +} + +/** + * BFA FCS itnim callbacks + */ + +/** + * BFA FCS itnim alloc callback, after successful PRLI + * Context: Interrupt + */ +void +bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, + struct bfad_itnim_s **itnim_drv) +{ + *itnim_drv = kzalloc(sizeof(struct bfad_itnim_s), GFP_ATOMIC); + if (*itnim_drv == NULL) + return; + + (*itnim_drv)->im = bfad->im; + *itnim = &(*itnim_drv)->fcs_itnim; + (*itnim_drv)->state = ITNIM_STATE_NONE; + + /* + * Initiaze the itnim_work + */ + INIT_WORK(&(*itnim_drv)->itnim_work, bfad_im_itnim_work_handler); + bfad->bfad_flags |= BFAD_RPORT_ONLINE; +} + +/** + * BFA FCS itnim free callback. + * Context: Interrupt. bfad_lock is held + */ +void +bfa_fcb_itnim_free(struct bfad_s *bfad, struct bfad_itnim_s *itnim_drv) +{ + struct bfad_port_s *port; + wwn_t wwpn; + u32 fcid; + char wwpn_str[32], fcid_str[16]; + + /* online to free state transtion should not happen */ + bfa_assert(itnim_drv->state != ITNIM_STATE_ONLINE); + + itnim_drv->queue_work = 1; + /* offline request is not yet done, use the same request to free */ + if (itnim_drv->state == ITNIM_STATE_OFFLINE_PENDING) + itnim_drv->queue_work = 0; + + itnim_drv->state = ITNIM_STATE_FREE; + port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim); + itnim_drv->im_port = port->im_port; + wwpn = bfa_fcs_itnim_get_pwwn(&itnim_drv->fcs_itnim); + fcid = bfa_fcs_itnim_get_fcid(&itnim_drv->fcs_itnim); + wwn2str(wwpn_str, wwpn); + fcid2str(fcid_str, fcid); + bfa_log(bfad->logmod, BFA_LOG_LINUX_ITNIM_FREE, + port->im_port->shost->host_no, + fcid_str, wwpn_str); + bfad_os_itnim_process(itnim_drv); +} + +/** + * BFA FCS itnim online callback. + * Context: Interrupt. bfad_lock is held + */ +void +bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv) +{ + struct bfad_port_s *port; + + itnim_drv->bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim_drv->fcs_itnim); + port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim); + itnim_drv->state = ITNIM_STATE_ONLINE; + itnim_drv->queue_work = 1; + itnim_drv->im_port = port->im_port; + bfad_os_itnim_process(itnim_drv); +} + +/** + * BFA FCS itnim offline callback. + * Context: Interrupt. bfad_lock is held + */ +void +bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv) +{ + struct bfad_port_s *port; + struct bfad_s *bfad; + + port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim); + bfad = port->bfad; + if ((bfad->pport.flags & BFAD_PORT_DELETE) || + (port->flags & BFAD_PORT_DELETE)) { + itnim_drv->state = ITNIM_STATE_OFFLINE; + return; + } + itnim_drv->im_port = port->im_port; + itnim_drv->state = ITNIM_STATE_OFFLINE_PENDING; + itnim_drv->queue_work = 1; + bfad_os_itnim_process(itnim_drv); +} + +/** + * BFA FCS itnim timeout callback. + * Context: Interrupt. bfad_lock is held + */ +void bfa_fcb_itnim_tov(struct bfad_itnim_s *itnim) +{ + itnim->state = ITNIM_STATE_TIMEOUT; +} + +/** + * Path TOV processing begin notification -- dummy for linux + */ +void +bfa_fcb_itnim_tov_begin(struct bfad_itnim_s *itnim) +{ +} + + + +/** + * Allocate a Scsi_Host for a port. + */ +int +bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port) +{ + int error = 1; + + if (!idr_pre_get(&bfad_im_port_index, GFP_KERNEL)) { + printk(KERN_WARNING "idr_pre_get failure\n"); + goto out; + } + + error = idr_get_new(&bfad_im_port_index, im_port, + &im_port->idr_id); + if (error) { + printk(KERN_WARNING "idr_get_new failure\n"); + goto out; + } + + im_port->shost = bfad_os_scsi_host_alloc(im_port, bfad); + if (!im_port->shost) { + error = 1; + goto out_free_idr; + } + + im_port->shost->hostdata[0] = (unsigned long)im_port; + im_port->shost->unique_id = im_port->idr_id; + im_port->shost->this_id = -1; + im_port->shost->max_id = MAX_FCP_TARGET; + im_port->shost->max_lun = MAX_FCP_LUN; + im_port->shost->max_cmd_len = 16; + im_port->shost->can_queue = bfad->cfg_data.ioc_queue_depth; + im_port->shost->transportt = bfad_im_scsi_transport_template; + + error = bfad_os_scsi_add_host(im_port->shost, im_port, bfad); + if (error) { + printk(KERN_WARNING "bfad_os_scsi_add_host failure %d\n", + error); + goto out_fc_rel; + } + + /* setup host fixed attribute if the lk supports */ + bfad_os_fc_host_init(im_port); + + return 0; + +out_fc_rel: + scsi_host_put(im_port->shost); +out_free_idr: + idr_remove(&bfad_im_port_index, im_port->idr_id); +out: + return error; +} + +void +bfad_im_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port) +{ + unsigned long flags; + + bfa_trc(bfad, bfad->inst_no); + bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_HOST_FREE, + im_port->shost->host_no); + + fc_remove_host(im_port->shost); + + scsi_remove_host(im_port->shost); + scsi_host_put(im_port->shost); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + idr_remove(&bfad_im_port_index, im_port->idr_id); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +static void +bfad_im_port_delete_handler(struct work_struct *work) +{ + struct bfad_im_port_s *im_port = + container_of(work, struct bfad_im_port_s, port_delete_work); + + bfad_im_scsi_host_free(im_port->bfad, im_port); + bfad_im_port_clean(im_port); + kfree(im_port); +} + +bfa_status_t +bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port) +{ + int rc = BFA_STATUS_OK; + struct bfad_im_port_s *im_port; + + im_port = kzalloc(sizeof(struct bfad_im_port_s), GFP_ATOMIC); + if (im_port == NULL) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + port->im_port = im_port; + im_port->port = port; + im_port->bfad = bfad; + + INIT_WORK(&im_port->port_delete_work, bfad_im_port_delete_handler); + INIT_LIST_HEAD(&im_port->itnim_mapped_list); + INIT_LIST_HEAD(&im_port->binding_list); + +ext: + return rc; +} + +void +bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port) +{ + struct bfad_im_port_s *im_port = port->im_port; + + queue_work(bfad->im->drv_workq, + &im_port->port_delete_work); +} + +void +bfad_im_port_clean(struct bfad_im_port_s *im_port) +{ + struct bfad_fcp_binding *bp, *bp_new; + unsigned long flags; + struct bfad_s *bfad = im_port->bfad; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + list_for_each_entry_safe(bp, bp_new, &im_port->binding_list, + list_entry) { + list_del(&bp->list_entry); + kfree(bp); + } + + /* the itnim_mapped_list must be empty at this time */ + bfa_assert(list_empty(&im_port->itnim_mapped_list)); + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +void +bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port) +{ +} + +void +bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port) +{ +} + +bfa_status_t +bfad_im_probe(struct bfad_s *bfad) +{ + struct bfad_im_s *im; + bfa_status_t rc = BFA_STATUS_OK; + + im = kzalloc(sizeof(struct bfad_im_s), GFP_KERNEL); + if (im == NULL) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + + bfad->im = im; + im->bfad = bfad; + + if (bfad_os_thread_workq(bfad) != BFA_STATUS_OK) { + kfree(im); + rc = BFA_STATUS_FAILED; + } + +ext: + return rc; +} + +void +bfad_im_probe_undo(struct bfad_s *bfad) +{ + if (bfad->im) { + bfad_os_destroy_workq(bfad->im); + kfree(bfad->im); + bfad->im = NULL; + } +} + + + + +int +bfad_os_scsi_add_host(struct Scsi_Host *shost, struct bfad_im_port_s *im_port, + struct bfad_s *bfad) +{ + struct device *dev; + + if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE) + dev = &bfad->pcidev->dev; + else + dev = &bfad->pport.im_port->shost->shost_gendev; + + return scsi_add_host(shost, dev); +} + +struct Scsi_Host * +bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, struct bfad_s *bfad) +{ + struct scsi_host_template *sht; + + if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE) + sht = &bfad_im_scsi_host_template; + else + sht = &bfad_im_vport_template; + + sht->sg_tablesize = bfad->cfg_data.io_max_sge; + + return scsi_host_alloc(sht, sizeof(unsigned long)); +} + +void +bfad_os_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port) +{ + flush_workqueue(bfad->im->drv_workq); + bfad_im_scsi_host_free(im_port->bfad, im_port); + bfad_im_port_clean(im_port); + kfree(im_port); +} + +void +bfad_os_destroy_workq(struct bfad_im_s *im) +{ + if (im && im->drv_workq) { + destroy_workqueue(im->drv_workq); + im->drv_workq = NULL; + } +} + +bfa_status_t +bfad_os_thread_workq(struct bfad_s *bfad) +{ + struct bfad_im_s *im = bfad->im; + + bfa_trc(bfad, 0); + snprintf(im->drv_workq_name, BFAD_KOBJ_NAME_LEN, "bfad_wq_%d", + bfad->inst_no); + im->drv_workq = create_singlethread_workqueue(im->drv_workq_name); + if (!im->drv_workq) + return BFA_STATUS_FAILED; + + return BFA_STATUS_OK; +} + +/** + * Scsi_Host template entry. + * + * Description: + * OS entry point to adjust the queue_depths on a per-device basis. + * Called once per device during the bus scan. + * Return non-zero if fails. + */ +static int +bfad_im_slave_configure(struct scsi_device *sdev) +{ + if (sdev->tagged_supported) + scsi_activate_tcq(sdev, bfa_lun_queue_depth); + else + scsi_deactivate_tcq(sdev, bfa_lun_queue_depth); + + return 0; +} + +struct scsi_host_template bfad_im_scsi_host_template = { + .module = THIS_MODULE, + .name = BFAD_DRIVER_NAME, + .info = bfad_im_info, + .queuecommand = bfad_im_queuecommand, + .eh_abort_handler = bfad_im_abort_handler, + .eh_device_reset_handler = bfad_im_reset_lun_handler, + .eh_bus_reset_handler = bfad_im_reset_bus_handler, + + .slave_alloc = bfad_im_slave_alloc, + .slave_configure = bfad_im_slave_configure, + .slave_destroy = bfad_im_slave_destroy, + + .this_id = -1, + .sg_tablesize = BFAD_IO_MAX_SGE, + .cmd_per_lun = 3, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = bfad_im_host_attrs, + .max_sectors = 0xFFFF, +}; + +struct scsi_host_template bfad_im_vport_template = { + .module = THIS_MODULE, + .name = BFAD_DRIVER_NAME, + .info = bfad_im_info, + .queuecommand = bfad_im_queuecommand, + .eh_abort_handler = bfad_im_abort_handler, + .eh_device_reset_handler = bfad_im_reset_lun_handler, + .eh_bus_reset_handler = bfad_im_reset_bus_handler, + + .slave_alloc = bfad_im_slave_alloc, + .slave_configure = bfad_im_slave_configure, + .slave_destroy = bfad_im_slave_destroy, + + .this_id = -1, + .sg_tablesize = BFAD_IO_MAX_SGE, + .cmd_per_lun = 3, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = bfad_im_vport_attrs, + .max_sectors = 0xFFFF, +}; + +void +bfad_im_probe_post(struct bfad_im_s *im) +{ + flush_workqueue(im->drv_workq); +} + +bfa_status_t +bfad_im_module_init(void) +{ + bfad_im_scsi_transport_template = + fc_attach_transport(&bfad_im_fc_function_template); + if (!bfad_im_scsi_transport_template) + return BFA_STATUS_ENOMEM; + + return BFA_STATUS_OK; +} + +void +bfad_im_module_exit(void) +{ + if (bfad_im_scsi_transport_template) + fc_release_transport(bfad_im_scsi_transport_template); +} + +void +bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv) +{ + struct bfad_im_s *im = itnim_drv->im; + + if (itnim_drv->queue_work) + queue_work(im->drv_workq, &itnim_drv->itnim_work); +} + +void +bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, struct scsi_device *sdev) +{ + struct scsi_device *tmp_sdev; + + if (((jiffies - itnim->last_ramp_up_time) > + BFA_QUEUE_FULL_RAMP_UP_TIME * HZ) && + ((jiffies - itnim->last_queue_full_time) > + BFA_QUEUE_FULL_RAMP_UP_TIME * HZ)) { + shost_for_each_device(tmp_sdev, sdev->host) { + if (bfa_lun_queue_depth > tmp_sdev->queue_depth) { + if (tmp_sdev->id != sdev->id) + continue; + if (tmp_sdev->ordered_tags) + scsi_adjust_queue_depth(tmp_sdev, + MSG_ORDERED_TAG, + tmp_sdev->queue_depth + 1); + else + scsi_adjust_queue_depth(tmp_sdev, + MSG_SIMPLE_TAG, + tmp_sdev->queue_depth + 1); + + itnim->last_ramp_up_time = jiffies; + } + } + } +} + +void +bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev) +{ + struct scsi_device *tmp_sdev; + + itnim->last_queue_full_time = jiffies; + + shost_for_each_device(tmp_sdev, sdev->host) { + if (tmp_sdev->id != sdev->id) + continue; + scsi_track_queue_full(tmp_sdev, tmp_sdev->queue_depth - 1); + } +} + + + + +struct bfad_itnim_s * +bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id) +{ + struct bfad_itnim_s *itnim = NULL; + + /* Search the mapped list for this target ID */ + list_for_each_entry(itnim, &im_port->itnim_mapped_list, list_entry) { + if (id == itnim->scsi_tgt_id) + return itnim; + } + + return NULL; +} + +/** + * Scsi_Host template entry slave_alloc + */ +static int +bfad_im_slave_alloc(struct scsi_device *sdev) +{ + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); + + if (!rport || fc_remote_port_chkready(rport)) + return -ENXIO; + + sdev->hostdata = rport->dd_data; + + return 0; +} + +void +bfad_os_fc_host_init(struct bfad_im_port_s *im_port) +{ + struct Scsi_Host *host = im_port->shost; + struct bfad_s *bfad = im_port->bfad; + struct bfad_port_s *port = im_port->port; + union attr { + struct bfa_pport_attr_s pattr; + struct bfa_ioc_attr_s ioc_attr; + } attr; + + fc_host_node_name(host) = + bfa_os_htonll((bfa_fcs_port_get_nwwn(port->fcs_port))); + fc_host_port_name(host) = + bfa_os_htonll((bfa_fcs_port_get_pwwn(port->fcs_port))); + + fc_host_supported_classes(host) = FC_COS_CLASS3; + + memset(fc_host_supported_fc4s(host), 0, + sizeof(fc_host_supported_fc4s(host))); + if (bfad_supported_fc4s & (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM)) + /* For FCP type 0x08 */ + fc_host_supported_fc4s(host)[2] = 1; + if (bfad_supported_fc4s | BFA_PORT_ROLE_FCP_IPFC) + /* For LLC/SNAP type 0x05 */ + fc_host_supported_fc4s(host)[3] = 0x20; + /* For fibre channel services type 0x20 */ + fc_host_supported_fc4s(host)[7] = 1; + + memset(&attr.ioc_attr, 0, sizeof(attr.ioc_attr)); + bfa_get_attr(&bfad->bfa, &attr.ioc_attr); + sprintf(fc_host_symbolic_name(host), "Brocade %s FV%s DV%s", + attr.ioc_attr.adapter_attr.model, + attr.ioc_attr.adapter_attr.fw_ver, BFAD_DRIVER_VERSION); + + fc_host_supported_speeds(host) = 0; + fc_host_supported_speeds(host) |= + FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT | + FC_PORTSPEED_1GBIT; + + memset(&attr.pattr, 0, sizeof(attr.pattr)); + bfa_pport_get_attr(&bfad->bfa, &attr.pattr); + fc_host_maxframe_size(host) = attr.pattr.pport_cfg.maxfrsize; +} + +static void +bfad_im_fc_rport_add(struct bfad_im_port_s *im_port, struct bfad_itnim_s *itnim) +{ + struct fc_rport_identifiers rport_ids; + struct fc_rport *fc_rport; + struct bfad_itnim_data_s *itnim_data; + + rport_ids.node_name = + bfa_os_htonll(bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim)); + rport_ids.port_name = + bfa_os_htonll(bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim)); + rport_ids.port_id = + bfa_os_hton3b(bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim)); + rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; + + itnim->fc_rport = fc_rport = + fc_remote_port_add(im_port->shost, 0, &rport_ids); + + if (!fc_rport) + return; + + fc_rport->maxframe_size = + bfa_fcs_itnim_get_maxfrsize(&itnim->fcs_itnim); + fc_rport->supported_classes = bfa_fcs_itnim_get_cos(&itnim->fcs_itnim); + + itnim_data = fc_rport->dd_data; + itnim_data->itnim = itnim; + + rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; + + if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) + fc_remote_port_rolechg(fc_rport, rport_ids.roles); + + if ((fc_rport->scsi_target_id != -1) + && (fc_rport->scsi_target_id < MAX_FCP_TARGET)) + itnim->scsi_tgt_id = fc_rport->scsi_target_id; + + return; +} + +/** + * Work queue handler using FC transport service +* Context: kernel + */ +static void +bfad_im_itnim_work_handler(struct work_struct *work) +{ + struct bfad_itnim_s *itnim = container_of(work, struct bfad_itnim_s, + itnim_work); + struct bfad_im_s *im = itnim->im; + struct bfad_s *bfad = im->bfad; + struct bfad_im_port_s *im_port; + unsigned long flags; + struct fc_rport *fc_rport; + wwn_t wwpn; + u32 fcid; + char wwpn_str[32], fcid_str[16]; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + im_port = itnim->im_port; + bfa_trc(bfad, itnim->state); + switch (itnim->state) { + case ITNIM_STATE_ONLINE: + if (!itnim->fc_rport) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfad_im_fc_rport_add(im_port, itnim); + spin_lock_irqsave(&bfad->bfad_lock, flags); + wwpn = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim); + fcid = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim); + wwn2str(wwpn_str, wwpn); + fcid2str(fcid_str, fcid); + list_add_tail(&itnim->list_entry, + &im_port->itnim_mapped_list); + bfa_log(bfad->logmod, BFA_LOG_LINUX_ITNIM_ONLINE, + im_port->shost->host_no, + itnim->scsi_tgt_id, + fcid_str, wwpn_str); + } else { + printk(KERN_WARNING + "%s: itnim %llx is already in online state\n", + __FUNCTION__, + bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim)); + } + + break; + case ITNIM_STATE_OFFLINE_PENDING: + itnim->state = ITNIM_STATE_OFFLINE; + if (itnim->fc_rport) { + fc_rport = itnim->fc_rport; + ((struct bfad_itnim_data_s *) + fc_rport->dd_data)->itnim = NULL; + itnim->fc_rport = NULL; + if (!(im_port->port->flags & BFAD_PORT_DELETE)) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + fc_rport->dev_loss_tmo = + bfa_fcpim_path_tov_get(&bfad->bfa) + 1; + fc_remote_port_delete(fc_rport); + spin_lock_irqsave(&bfad->bfad_lock, flags); + } + wwpn = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim); + fcid = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim); + wwn2str(wwpn_str, wwpn); + fcid2str(fcid_str, fcid); + list_del(&itnim->list_entry); + bfa_log(bfad->logmod, BFA_LOG_LINUX_ITNIM_OFFLINE, + im_port->shost->host_no, + itnim->scsi_tgt_id, + fcid_str, wwpn_str); + } + break; + case ITNIM_STATE_FREE: + if (itnim->fc_rport) { + fc_rport = itnim->fc_rport; + ((struct bfad_itnim_data_s *) + fc_rport->dd_data)->itnim = NULL; + itnim->fc_rport = NULL; + if (!(im_port->port->flags & BFAD_PORT_DELETE)) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + fc_rport->dev_loss_tmo = + bfa_fcpim_path_tov_get(&bfad->bfa) + 1; + fc_remote_port_delete(fc_rport); + spin_lock_irqsave(&bfad->bfad_lock, flags); + } + list_del(&itnim->list_entry); + } + + kfree(itnim); + break; + default: + bfa_assert(0); + break; + } + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * Scsi_Host template entry, queue a SCSI command to the BFAD. + */ +static int +bfad_im_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) cmnd->device->host->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_itnim_data_s *itnim_data = cmnd->device->hostdata; + struct bfad_itnim_s *itnim; + struct bfa_ioim_s *hal_io; + unsigned long flags; + int rc; + s16 sg_cnt = 0; + struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); + + rc = fc_remote_port_chkready(rport); + if (rc) { + cmnd->result = rc; + done(cmnd); + return 0; + } + + sg_cnt = scsi_dma_map(cmnd); + + if (sg_cnt < 0) + return SCSI_MLQUEUE_HOST_BUSY; + + cmnd->scsi_done = done; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + if (!(bfad->bfad_flags & BFAD_HAL_START_DONE)) { + printk(KERN_WARNING + "bfad%d, queuecommand %p %x failed, BFA stopped\n", + bfad->inst_no, cmnd, cmnd->cmnd[0]); + cmnd->result = ScsiResult(DID_NO_CONNECT, 0); + goto out_fail_cmd; + } + + itnim = itnim_data->itnim; + if (!itnim) { + cmnd->result = ScsiResult(DID_IMM_RETRY, 0); + goto out_fail_cmd; + } + + hal_io = bfa_ioim_alloc(&bfad->bfa, (struct bfad_ioim_s *) cmnd, + itnim->bfa_itnim, sg_cnt); + if (!hal_io) { + printk(KERN_WARNING "hal_io failure\n"); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + scsi_dma_unmap(cmnd); + return SCSI_MLQUEUE_HOST_BUSY; + } + + cmnd->host_scribble = (char *)hal_io; + bfa_trc_fp(bfad, hal_io->iotag); + bfa_ioim_start(hal_io); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return 0; + +out_fail_cmd: + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + scsi_dma_unmap(cmnd); + if (done) + done(cmnd); + + return 0; +} + +void +bfad_os_rport_online_wait(struct bfad_s *bfad) +{ + int i; + int rport_delay = 10; + + for (i = 0; !(bfad->bfad_flags & BFAD_PORT_ONLINE) + && i < bfa_linkup_delay; i++) + schedule_timeout_uninterruptible(HZ); + + if (bfad->bfad_flags & BFAD_PORT_ONLINE) { + rport_delay = rport_delay < bfa_linkup_delay ? + rport_delay : bfa_linkup_delay; + for (i = 0; !(bfad->bfad_flags & BFAD_RPORT_ONLINE) + && i < rport_delay; i++) + schedule_timeout_uninterruptible(HZ); + + if (rport_delay > 0 && (bfad->bfad_flags & BFAD_RPORT_ONLINE)) + schedule_timeout_uninterruptible(rport_delay * HZ); + } +} + +int +bfad_os_get_linkup_delay(struct bfad_s *bfad) +{ + + u8 nwwns = 0; + wwn_t *wwns; + int ldelay; + + /* + * Querying for the boot target port wwns + * -- read from boot information in flash. + * If nwwns > 0 => boot over SAN and set bfa_linkup_delay = 30 + * else => local boot machine set bfa_linkup_delay = 10 + */ + + bfa_iocfc_get_bootwwns(&bfad->bfa, &nwwns, &wwns); + + if (nwwns > 0) { + /* If boot over SAN; linkup_delay = 30sec */ + ldelay = 30; + } else { + /* If local boot; linkup_delay = 10sec */ + ldelay = 0; + } + + return ldelay; +} + + diff --git a/drivers/scsi/bfa/bfad_im.h b/drivers/scsi/bfa/bfad_im.h new file mode 100644 index 000000000000..189a5b29e21a --- /dev/null +++ b/drivers/scsi/bfa/bfad_im.h @@ -0,0 +1,150 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFAD_IM_H__ +#define __BFAD_IM_H__ + +#include "fcs/bfa_fcs_fcpim.h" +#include "bfad_im_compat.h" + +#define FCPI_NAME " fcpim" + +void bfad_flags_set(struct bfad_s *bfad, u32 flags); +bfa_status_t bfad_im_module_init(void); +void bfad_im_module_exit(void); +bfa_status_t bfad_im_probe(struct bfad_s *bfad); +void bfad_im_probe_undo(struct bfad_s *bfad); +void bfad_im_probe_post(struct bfad_im_s *im); +bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_clean(struct bfad_im_port_s *im_port); +int bfad_im_scsi_host_alloc(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); +void bfad_im_scsi_host_free(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); + +#define MAX_FCP_TARGET 1024 +#define MAX_FCP_LUN 16384 +#define BFAD_TARGET_RESET_TMO 60 +#define BFAD_LUN_RESET_TMO 60 +#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) +#define BFA_QUEUE_FULL_RAMP_UP_TIME 120 +#define BFAD_KOBJ_NAME_LEN 20 + +/* + * itnim flags + */ +#define ITNIM_MAPPED 0x00000001 + +#define SCSI_TASK_MGMT 0x00000001 +#define IO_DONE_BIT 0 + +struct bfad_itnim_data_s { + struct bfad_itnim_s *itnim; +}; + +struct bfad_im_port_s { + struct bfad_s *bfad; + struct bfad_port_s *port; + struct work_struct port_delete_work; + int idr_id; + u16 cur_scsi_id; + struct list_head binding_list; + struct Scsi_Host *shost; + struct list_head itnim_mapped_list; +}; + +enum bfad_itnim_state { + ITNIM_STATE_NONE, + ITNIM_STATE_ONLINE, + ITNIM_STATE_OFFLINE_PENDING, + ITNIM_STATE_OFFLINE, + ITNIM_STATE_TIMEOUT, + ITNIM_STATE_FREE, +}; + +/* + * Per itnim data structure + */ +struct bfad_itnim_s { + struct list_head list_entry; + struct bfa_fcs_itnim_s fcs_itnim; + struct work_struct itnim_work; + u32 flags; + enum bfad_itnim_state state; + struct bfad_im_s *im; + struct bfad_im_port_s *im_port; + struct bfad_rport_s *drv_rport; + struct fc_rport *fc_rport; + struct bfa_itnim_s *bfa_itnim; + u16 scsi_tgt_id; + u16 queue_work; + unsigned long last_ramp_up_time; + unsigned long last_queue_full_time; +}; + +enum bfad_binding_type { + FCP_PWWN_BINDING = 0x1, + FCP_NWWN_BINDING = 0x2, + FCP_FCID_BINDING = 0x3, +}; + +struct bfad_fcp_binding { + struct list_head list_entry; + enum bfad_binding_type binding_type; + u16 scsi_target_id; + u32 fc_id; + wwn_t nwwn; + wwn_t pwwn; +}; + +struct bfad_im_s { + struct bfad_s *bfad; + struct workqueue_struct *drv_workq; + char drv_workq_name[BFAD_KOBJ_NAME_LEN]; +}; + +struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, + struct bfad_s *); +bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad); +void bfad_os_destroy_workq(struct bfad_im_s *im); +void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv); +void bfad_os_fc_host_init(struct bfad_im_port_s *im_port); +void bfad_os_init_work(struct bfad_im_port_s *im_port); +void bfad_os_scsi_host_free(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); +void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, + struct scsi_device *sdev); +void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); +struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id); +int bfad_os_scsi_add_host(struct Scsi_Host *shost, + struct bfad_im_port_s *im_port, struct bfad_s *bfad); + +/* + * scsi_host_template entries + */ +void bfad_im_itnim_unmap(struct bfad_im_port_s *im_port, + struct bfad_itnim_s *itnim); + +extern struct scsi_host_template bfad_im_scsi_host_template; +extern struct scsi_host_template bfad_im_vport_template; +extern struct fc_function_template bfad_im_fc_function_template; +extern struct scsi_transport_template *bfad_im_scsi_transport_template; + +#endif diff --git a/drivers/scsi/bfa/bfad_im_compat.h b/drivers/scsi/bfa/bfad_im_compat.h new file mode 100644 index 000000000000..1d3e74ec338c --- /dev/null +++ b/drivers/scsi/bfa/bfad_im_compat.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFAD_IM_COMPAT_H__ +#define __BFAD_IM_COMPAT_H__ + +extern u32 *bfi_image_buf; +extern u32 bfi_image_size; + +extern struct device_attribute *bfad_im_host_attrs[]; +extern struct device_attribute *bfad_im_vport_attrs[]; + +u32 *bfad_get_firmware_buf(struct pci_dev *pdev); +u32 *bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, + u32 *bfi_image_size, char *fw_name); + +static inline u32 * +bfad_load_fwimg(struct pci_dev *pdev) +{ + return(bfad_get_firmware_buf(pdev)); +} + +static inline void +bfad_free_fwimg(void) +{ + if (bfi_image_ct_size && bfi_image_ct) + vfree(bfi_image_ct); + if (bfi_image_cb_size && bfi_image_cb) + vfree(bfi_image_cb); +} + +#endif diff --git a/drivers/scsi/bfa/bfad_intr.c b/drivers/scsi/bfa/bfad_intr.c new file mode 100644 index 000000000000..f104e029cac9 --- /dev/null +++ b/drivers/scsi/bfa/bfad_intr.c @@ -0,0 +1,214 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include "bfad_drv.h" +#include "bfad_trcmod.h" + +BFA_TRC_FILE(LDRV, INTR); + +/** + * bfa_isr BFA driver interrupt functions + */ +irqreturn_t bfad_intx(int irq, void *dev_id); +static int msix_disable; +module_param(msix_disable, int, S_IRUGO | S_IWUSR); +/** + * Line based interrupt handler. + */ +irqreturn_t +bfad_intx(int irq, void *dev_id) +{ + struct bfad_s *bfad = dev_id; + struct list_head doneq; + unsigned long flags; + bfa_boolean_t rc; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + rc = bfa_intx(&bfad->bfa); + if (!rc) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return IRQ_NONE; + } + + bfa_comp_deq(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (!list_empty(&doneq)) { + bfa_comp_process(&bfad->bfa, &doneq); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_comp_free(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfa_trc_fp(bfad, irq); + } + + return IRQ_HANDLED; + +} + +static irqreturn_t +bfad_msix(int irq, void *dev_id) +{ + struct bfad_msix_s *vec = dev_id; + struct bfad_s *bfad = vec->bfad; + struct list_head doneq; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + + bfa_msix(&bfad->bfa, vec->msix.entry); + bfa_comp_deq(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (!list_empty(&doneq)) { + bfa_comp_process(&bfad->bfa, &doneq); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_comp_free(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + } + + return IRQ_HANDLED; +} + +/** + * Initialize the MSIX entry table. + */ +static void +bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, + int mask, int max_bit) +{ + int i; + int match = 0x00000001; + + for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { + if (mask & match) { + bfad->msix_tab[bfad->nvec].msix.entry = i; + bfad->msix_tab[bfad->nvec].bfad = bfad; + msix_entries[bfad->nvec].entry = i; + bfad->nvec++; + } + + match <<= 1; + } + +} + +int +bfad_install_msix_handler(struct bfad_s *bfad) +{ + int i, error = 0; + + for (i = 0; i < bfad->nvec; i++) { + error = request_irq(bfad->msix_tab[i].msix.vector, + (irq_handler_t) bfad_msix, 0, + BFAD_DRIVER_NAME, &bfad->msix_tab[i]); + bfa_trc(bfad, i); + bfa_trc(bfad, bfad->msix_tab[i].msix.vector); + if (error) { + int j; + + for (j = 0; j < i; j++) + free_irq(bfad->msix_tab[j].msix.vector, + &bfad->msix_tab[j]); + + return 1; + } + } + + return 0; +} + +/** + * Setup MSIX based interrupt. + */ +int +bfad_setup_intr(struct bfad_s *bfad) +{ + int error = 0; + u32 mask = 0, i, num_bit = 0, max_bit = 0; + struct msix_entry msix_entries[MAX_MSIX_ENTRY]; + + /* Call BFA to get the msix map for this PCI function. */ + bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); + + /* Set up the msix entry table */ + bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); + + if (!msix_disable) { + error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); + if (error) { + /* + * Only error number of vector is available. + * We don't have a mechanism to map multiple + * interrupts into one vector, so even if we + * can try to request less vectors, we don't + * know how to associate interrupt events to + * vectors. Linux doesn't dupicate vectors + * in the MSIX table for this case. + */ + + printk(KERN_WARNING "bfad%d: " + "pci_enable_msix failed (%d)," + " use line based.\n", bfad->inst_no, error); + + goto line_based; + } + + /* Save the vectors */ + for (i = 0; i < bfad->nvec; i++) { + bfa_trc(bfad, msix_entries[i].vector); + bfad->msix_tab[i].msix.vector = msix_entries[i].vector; + } + + bfa_msix_init(&bfad->bfa, bfad->nvec); + + bfad->bfad_flags |= BFAD_MSIX_ON; + + return error; + } + +line_based: + error = 0; + if (request_irq + (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, + BFAD_DRIVER_NAME, bfad) != 0) { + /* Enable interrupt handler failed */ + return 1; + } + + return error; +} + +void +bfad_remove_intr(struct bfad_s *bfad) +{ + int i; + + if (bfad->bfad_flags & BFAD_MSIX_ON) { + for (i = 0; i < bfad->nvec; i++) + free_irq(bfad->msix_tab[i].msix.vector, + &bfad->msix_tab[i]); + + pci_disable_msix(bfad->pcidev); + bfad->bfad_flags &= ~BFAD_MSIX_ON; + } else { + free_irq(bfad->pcidev->irq, bfad); + } +} + + diff --git a/drivers/scsi/bfa/bfad_ipfc.h b/drivers/scsi/bfa/bfad_ipfc.h new file mode 100644 index 000000000000..718bc5227671 --- /dev/null +++ b/drivers/scsi/bfa/bfad_ipfc.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DRV_IPFC_H__ +#define __BFA_DRV_IPFC_H__ + + +#define IPFC_NAME "" + +#define bfad_ipfc_module_init(x) do {} while (0) +#define bfad_ipfc_module_exit(x) do {} while (0) +#define bfad_ipfc_probe(x) do {} while (0) +#define bfad_ipfc_probe_undo(x) do {} while (0) +#define bfad_ipfc_port_config(x, y) BFA_STATUS_OK +#define bfad_ipfc_port_unconfig(x, y) do {} while (0) + +#define bfad_ipfc_probe_post(x) do {} while (0) +#define bfad_ipfc_port_new(x, y, z) BFA_STATUS_OK +#define bfad_ipfc_port_delete(x, y) do {} while (0) +#define bfad_ipfc_port_online(x, y) do {} while (0) +#define bfad_ipfc_port_offline(x, y) do {} while (0) + +#define bfad_ip_get_attr(x) BFA_STATUS_FAILED +#define bfad_ip_reset_drv_stats(x) BFA_STATUS_FAILED +#define bfad_ip_get_drv_stats(x, y) BFA_STATUS_FAILED +#define bfad_ip_enable_ipfc(x, y, z) BFA_STATUS_FAILED + + +#endif diff --git a/drivers/scsi/bfa/bfad_os.c b/drivers/scsi/bfa/bfad_os.c new file mode 100644 index 000000000000..faf47b4f1a38 --- /dev/null +++ b/drivers/scsi/bfa/bfad_os.c @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfad_os.c Linux driver OS specific calls. + */ + +#include "bfa_os_inc.h" +#include "bfad_drv.h" + +void +bfa_os_gettimeofday(struct bfa_timeval_s *tv) +{ + struct timeval tmp_tv; + + do_gettimeofday(&tmp_tv); + tv->tv_sec = (u32) tmp_tv.tv_sec; + tv->tv_usec = (u32) tmp_tv.tv_usec; +} + +void +bfa_os_printf(struct bfa_log_mod_s *log_mod, u32 msg_id, + const char *fmt, ...) +{ + va_list ap; + #define BFA_STRING_256 256 + char tmp[BFA_STRING_256]; + + va_start(ap, fmt); + vsprintf(tmp, fmt, ap); + va_end(ap); + + printk(tmp); +} + + diff --git a/drivers/scsi/bfa/bfad_tm.h b/drivers/scsi/bfa/bfad_tm.h new file mode 100644 index 000000000000..4901b1b7df02 --- /dev/null +++ b/drivers/scsi/bfa/bfad_tm.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* + * Brocade Fibre Channel HBA Linux Target Mode Driver + */ + +/** + * tm/dummy/bfad_tm.h BFA callback dummy header file for BFA Linux target mode PCI interface module. + */ + +#ifndef __BFAD_TM_H__ +#define __BFAD_TM_H__ + +#include <defs/bfa_defs_status.h> + +#define FCPT_NAME "" + +/* + * Called from base Linux driver on (De)Init events + */ + +/* attach tgt template with scst */ +#define bfad_tm_module_init() do {} while (0) + +/* detach/release tgt template */ +#define bfad_tm_module_exit() do {} while (0) + +#define bfad_tm_probe(x) do {} while (0) +#define bfad_tm_probe_undo(x) do {} while (0) +#define bfad_tm_probe_post(x) do {} while (0) + +/* + * Called by base Linux driver but triggered by BFA FCS on config events + */ +#define bfad_tm_port_new(x, y) BFA_STATUS_OK +#define bfad_tm_port_delete(x, y) do {} while (0) + +/* + * Called by base Linux driver but triggered by BFA FCS on PLOGI/O events + */ +#define bfad_tm_port_online(x, y) do {} while (0) +#define bfad_tm_port_offline(x, y) do {} while (0) + +#endif diff --git a/drivers/scsi/bfa/bfad_trcmod.h b/drivers/scsi/bfa/bfad_trcmod.h new file mode 100644 index 000000000000..2827b2acd041 --- /dev/null +++ b/drivers/scsi/bfa/bfad_trcmod.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfad_trcmod.h Linux driver trace modules + */ + + +#ifndef __BFAD_TRCMOD_H__ +#define __BFAD_TRCMOD_H__ + +#include <cs/bfa_trc.h> + +/* + * !!! Only append to the enums defined here to avoid any versioning + * !!! needed between trace utility and driver version + */ +enum { + /* 2.6 Driver */ + BFA_TRC_LDRV_BFAD = 1, + BFA_TRC_LDRV_BFAD_2_6 = 2, + BFA_TRC_LDRV_BFAD_2_6_9 = 3, + BFA_TRC_LDRV_BFAD_2_6_10 = 4, + BFA_TRC_LDRV_INTR = 5, + BFA_TRC_LDRV_IOCTL = 6, + BFA_TRC_LDRV_OS = 7, + BFA_TRC_LDRV_IM = 8, + BFA_TRC_LDRV_IM_2_6 = 9, + BFA_TRC_LDRV_IM_2_6_9 = 10, + BFA_TRC_LDRV_IM_2_6_10 = 11, + BFA_TRC_LDRV_TM = 12, + BFA_TRC_LDRV_IPFC = 13, + BFA_TRC_LDRV_IM_2_4 = 14, + BFA_TRC_LDRV_IM_VMW = 15, + BFA_TRC_LDRV_IM_LT_2_6_10 = 16, +}; + +#endif /* __BFAD_TRCMOD_H__ */ diff --git a/drivers/scsi/bfa/fab.c b/drivers/scsi/bfa/fab.c new file mode 100644 index 000000000000..7e3a4d5d7bb4 --- /dev/null +++ b/drivers/scsi/bfa/fab.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "lport_priv.h" + +/** + * fab.c port fab implementation. + */ + +/** + * bfa_fcs_port_fab_public port fab public functions + */ + +/** + * Called by port to initialize fabric services of the base port. + */ +void +bfa_fcs_port_fab_init(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_ns_init(port); + bfa_fcs_port_scn_init(port); + bfa_fcs_port_ms_init(port); +} + +/** + * Called by port to notify transition to online state. + */ +void +bfa_fcs_port_fab_online(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_ns_online(port); + bfa_fcs_port_scn_online(port); +} + +/** + * Called by port to notify transition to offline state. + */ +void +bfa_fcs_port_fab_offline(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_ns_offline(port); + bfa_fcs_port_scn_offline(port); + bfa_fcs_port_ms_offline(port); +} diff --git a/drivers/scsi/bfa/fabric.c b/drivers/scsi/bfa/fabric.c new file mode 100644 index 000000000000..a8b14c47b009 --- /dev/null +++ b/drivers/scsi/bfa/fabric.c @@ -0,0 +1,1278 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fabric.c Fabric module implementation. + */ + +#include "fcs_fabric.h" +#include "fcs_lport.h" +#include "fcs_vport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs_auth.h" +#include "fcs.h" +#include "fcbuild.h" +#include <log/bfa_log_fcs.h> +#include <aen/bfa_aen_port.h> +#include <bfa_svc.h> + +BFA_TRC_FILE(FCS, FABRIC); + +#define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */ +#define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */ + +#define bfa_fcs_fabric_set_opertype(__fabric) do { \ + if (bfa_pport_get_topology((__fabric)->fcs->bfa) \ + == BFA_PPORT_TOPOLOGY_P2P) \ + (__fabric)->oper_type = BFA_PPORT_TYPE_NPORT; \ + else \ + (__fabric)->oper_type = BFA_PPORT_TYPE_NLPORT; \ +} while (0) + +/* + * forward declarations + */ +static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_delay(void *cbarg); +static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_delete_comp(void *cbarg); +static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len); +static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len); +static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rspfchs); +/** + * fcs_fabric_sm fabric state machine functions + */ + +/** + * Fabric state machine events + */ +enum bfa_fcs_fabric_event { + BFA_FCS_FABRIC_SM_CREATE = 1, /* fabric create from driver */ + BFA_FCS_FABRIC_SM_DELETE = 2, /* fabric delete from driver */ + BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ + BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ + BFA_FCS_FABRIC_SM_CONT_OP = 5, /* continue op from flogi/auth */ + BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* continue op from flogi/auth */ + BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* no fabric from flogi/auth + */ + BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* perform EVFP from + *flogi/auth */ + BFA_FCS_FABRIC_SM_ISOLATE = 9, /* isolate from EVFP processing */ + BFA_FCS_FABRIC_SM_NO_TAGGING = 10,/* no VFT tagging from EVFP */ + BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ + BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* authentication failed */ + BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* authentication successful + */ + BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ + BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ + BFA_FCS_FABRIC_SM_START = 16, /* fabric delete from driver */ +}; + +static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +/** + * Beginning state before fabric creation. + */ +static void +bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_CREATE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); + bfa_fcs_fabric_init(fabric); + bfa_fcs_lport_init(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, + &fabric->bport.port_cfg, NULL); + break; + + case BFA_FCS_FABRIC_SM_LINK_UP: + case BFA_FCS_FABRIC_SM_LINK_DOWN: + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Beginning state before fabric creation. + */ +static void +bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_START: + if (bfa_pport_is_linkup(fabric->fcs->bfa)) { + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); + bfa_fcs_fabric_login(fabric); + } else + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + break; + + case BFA_FCS_FABRIC_SM_LINK_UP: + case BFA_FCS_FABRIC_SM_LINK_DOWN: + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); + bfa_fcs_modexit_comp(fabric->fcs); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Link is down, awaiting LINK UP event from port. This is also the + * first state at fabric creation. + */ +static void +bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_UP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); + bfa_fcs_fabric_login(fabric); + break; + + case BFA_FCS_FABRIC_SM_RETRY_OP: + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * FLOGI is in progress, awaiting FLOGI reply. + */ +static void +bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_CONT_OP: + + bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); + fabric->fab_type = BFA_FCS_FABRIC_SWITCHED; + + if (fabric->auth_reqd && fabric->is_auth) { + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth); + bfa_trc(fabric->fcs, event); + } else { + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); + bfa_fcs_fabric_notify_online(fabric); + } + break; + + case BFA_FCS_FABRIC_SM_RETRY_OP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry); + bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer, + bfa_fcs_fabric_delay, fabric, + BFA_FCS_FABRIC_RETRY_DELAY); + break; + + case BFA_FCS_FABRIC_SM_LOOPBACK: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_set_opertype(fabric); + break; + + case BFA_FCS_FABRIC_SM_NO_FABRIC: + fabric->fab_type = BFA_FCS_FABRIC_N2N; + bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); + bfa_fcs_fabric_notify_online(fabric); + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric); + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + + +static void +bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_DELAYED: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); + bfa_fcs_fabric_login(fabric); + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_timer_stop(&fabric->delay_timer); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_timer_stop(&fabric->delay_timer); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Authentication is in progress, awaiting authentication results. + */ +static void +bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_AUTH_FAILED: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); + bfa_fcs_fabric_notify_online(fabric); + break; + + case BFA_FCS_FABRIC_SM_PERF_EVFP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp); + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Authentication failed + */ +static void +bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Port is in loopback mode. + */ +static void +bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * There is no attached fabric - private loop or NPort-to-NPort topology. + */ +static void +bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + case BFA_FCS_FABRIC_SM_NO_FABRIC: + bfa_trc(fabric->fcs, fabric->bb_credit); + bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Fabric is online - normal operating state. + */ +static void +bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + case BFA_FCS_FABRIC_SM_AUTH_FAILED: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Exchanging virtual fabric parameters. + */ +static void +bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_CONT_OP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp_done); + break; + + case BFA_FCS_FABRIC_SM_ISOLATE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_isolated); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * EVFP exchange complete and VFT tagging is enabled. + */ +static void +bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); +} + +/** + * Port is isolated after EVFP exchange due to VF_ID mismatch (N and F). + */ +static void +bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + bfa_log(fabric->fcs->logm, BFA_LOG_FCS_FABRIC_ISOLATED, + fabric->bport.port_cfg.pwwn, fabric->fcs->port_vfid, + fabric->event_arg.swp_vfid); +} + +/** + * Fabric is being deleted, awaiting vport delete completions. + */ +static void +bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_DELCOMP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); + bfa_fcs_modexit_comp(fabric->fcs); + break; + + case BFA_FCS_FABRIC_SM_LINK_UP: + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_fcs_fabric_notify_offline(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + + + +/** + * fcs_fabric_private fabric private functions + */ + +static void +bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_port_cfg_s *port_cfg = &fabric->bport.port_cfg; + + port_cfg->roles = BFA_PORT_ROLE_FCP_IM; + port_cfg->nwwn = bfa_ioc_get_nwwn(&fabric->fcs->bfa->ioc); + port_cfg->pwwn = bfa_ioc_get_pwwn(&fabric->fcs->bfa->ioc); +} + +/** + * Port Symbolic Name Creation for base port. + */ +void +bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_port_cfg_s *port_cfg = &fabric->bport.port_cfg; + struct bfa_adapter_attr_s adapter_attr; + struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info; + + bfa_os_memset((void *)&adapter_attr, 0, + sizeof(struct bfa_adapter_attr_s)); + bfa_ioc_get_adapter_attr(&fabric->fcs->bfa->ioc, &adapter_attr); + + /* + * Model name/number + */ + strncpy((char *)&port_cfg->sym_name, adapter_attr.model, + BFA_FCS_PORT_SYMBNAME_MODEL_SZ); + strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Driver Version + */ + strncat((char *)&port_cfg->sym_name, (char *)driver_info->version, + BFA_FCS_PORT_SYMBNAME_VERSION_SZ); + strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Host machine name + */ + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_machine_name, + BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); + strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Host OS Info : + * If OS Patch Info is not there, do not truncate any bytes from the + * OS name string and instead copy the entire OS info string (64 bytes). + */ + if (driver_info->host_os_patch[0] == '\0') { + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_os_name, BFA_FCS_OS_STR_LEN); + strncat((char *)&port_cfg->sym_name, + BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + } else { + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_os_name, + BFA_FCS_PORT_SYMBNAME_OSINFO_SZ); + strncat((char *)&port_cfg->sym_name, + BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Append host OS Patch Info + */ + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_os_patch, + BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ); + } + + /* + * null terminate + */ + port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0; +} + +/** + * bfa lps login completion callback + */ +void +bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status) +{ + struct bfa_fcs_fabric_s *fabric = uarg; + + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, status); + + switch (status) { + case BFA_STATUS_OK: + fabric->stats.flogi_accepts++; + break; + + case BFA_STATUS_INVALID_MAC: + /* + * Only for CNA + */ + fabric->stats.flogi_acc_err++; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + + return; + + case BFA_STATUS_EPROTOCOL: + switch (bfa_lps_get_extstatus(fabric->lps)) { + case BFA_EPROTO_BAD_ACCEPT: + fabric->stats.flogi_acc_err++; + break; + + case BFA_EPROTO_UNKNOWN_RSP: + fabric->stats.flogi_unknown_rsp++; + break; + + default: + break; + } + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + + return; + + case BFA_STATUS_FABRIC_RJT: + fabric->stats.flogi_rejects++; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + return; + + default: + fabric->stats.flogi_rsp_err++; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + return; + } + + fabric->bb_credit = bfa_lps_get_peer_bbcredit(fabric->lps); + bfa_trc(fabric->fcs, fabric->bb_credit); + + if (!bfa_lps_is_brcd_fabric(fabric->lps)) + fabric->fabric_name = bfa_lps_get_peer_nwwn(fabric->lps); + + /* + * Check port type. It should be 1 = F-port. + */ + if (bfa_lps_is_fport(fabric->lps)) { + fabric->bport.pid = bfa_lps_get_pid(fabric->lps); + fabric->is_npiv = bfa_lps_is_npiv_en(fabric->lps); + fabric->is_auth = bfa_lps_is_authreq(fabric->lps); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CONT_OP); + } else { + /* + * Nport-2-Nport direct attached + */ + fabric->bport.port_topo.pn2n.rem_port_wwn = + bfa_lps_get_peer_pwwn(fabric->lps); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); + } + + bfa_trc(fabric->fcs, fabric->bport.pid); + bfa_trc(fabric->fcs, fabric->is_npiv); + bfa_trc(fabric->fcs, fabric->is_auth); +} + +/** + * Allocate and send FLOGI. + */ +static void +bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_s *bfa = fabric->fcs->bfa; + struct bfa_port_cfg_s *pcfg = &fabric->bport.port_cfg; + u8 alpa = 0; + + if (bfa_pport_get_topology(bfa) == BFA_PPORT_TOPOLOGY_LOOP) + alpa = bfa_pport_get_myalpa(bfa); + + bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_pport_get_maxfrsize(bfa), + pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd); + + fabric->stats.flogi_sent++; +} + +static void +bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe, *qen; + + bfa_trc(fabric->fcs, fabric->fabric_name); + + bfa_fcs_fabric_set_opertype(fabric); + fabric->stats.fabric_onlines++; + + /** + * notify online event to base and then virtual ports + */ + bfa_fcs_port_online(&fabric->bport); + + list_for_each_safe(qe, qen, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + bfa_fcs_vport_online(vport); + } +} + +static void +bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe, *qen; + + bfa_trc(fabric->fcs, fabric->fabric_name); + fabric->stats.fabric_offlines++; + + /** + * notify offline event first to vports and then base port. + */ + list_for_each_safe(qe, qen, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + bfa_fcs_vport_offline(vport); + } + + bfa_fcs_port_offline(&fabric->bport); + + fabric->fabric_name = 0; + fabric->fabric_ip_addr[0] = 0; +} + +static void +bfa_fcs_fabric_delay(void *cbarg) +{ + struct bfa_fcs_fabric_s *fabric = cbarg; + + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED); +} + +/** + * Delete all vports and wait for vport delete completions. + */ +static void +bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + bfa_fcs_vport_delete(vport); + } + + bfa_fcs_port_delete(&fabric->bport); + bfa_wc_wait(&fabric->wc); +} + +static void +bfa_fcs_fabric_delete_comp(void *cbarg) +{ + struct bfa_fcs_fabric_s *fabric = cbarg; + + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP); +} + + + +/** + * fcs_fabric_public fabric public functions + */ + +/** + * Module initialization + */ +void +bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_fabric_s *fabric; + + fabric = &fcs->fabric; + bfa_os_memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s)); + + /** + * Initialize base fabric. + */ + fabric->fcs = fcs; + INIT_LIST_HEAD(&fabric->vport_q); + INIT_LIST_HEAD(&fabric->vf_q); + fabric->lps = bfa_lps_alloc(fcs->bfa); + bfa_assert(fabric->lps); + + /** + * Initialize fabric delete completion handler. Fabric deletion is complete + * when the last vport delete is complete. + */ + bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric); + bfa_wc_up(&fabric->wc); /* For the base port */ + + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CREATE); + bfa_trc(fcs, 0); +} + +/** + * Module cleanup + */ +void +bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_fabric_s *fabric; + + bfa_trc(fcs, 0); + + /** + * Cleanup base fabric. + */ + fabric = &fcs->fabric; + bfa_lps_delete(fabric->lps); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE); +} + +/** + * Fabric module start -- kick starts FCS actions + */ +void +bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_fabric_s *fabric; + + bfa_trc(fcs, 0); + fabric = &fcs->fabric; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START); +} + +/** + * Suspend fabric activity as part of driver suspend. + */ +void +bfa_fcs_fabric_modsusp(struct bfa_fcs_s *fcs) +{ +} + +bfa_boolean_t +bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric) +{ + return (bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_loopback)); +} + +enum bfa_pport_type +bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric) +{ + return fabric->oper_type; +} + +/** + * Link up notification from BFA physical port module. + */ +void +bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP); +} + +/** + * Link down notification from BFA physical port module. + */ +void +bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN); +} + +/** + * A child vport is being created in the fabric. + * + * Call from vport module at vport creation. A list of base port and vports + * belonging to a fabric is maintained to propagate link events. + * + * param[in] fabric - Fabric instance. This can be a base fabric or vf. + * param[in] vport - Vport being created. + * + * @return None (always succeeds) + */ +void +bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport) +{ + /** + * - add vport to fabric's vport_q + */ + bfa_trc(fabric->fcs, fabric->vf_id); + + list_add_tail(&vport->qe, &fabric->vport_q); + fabric->num_vports++; + bfa_wc_up(&fabric->wc); +} + +/** + * A child vport is being deleted from fabric. + * + * Vport is being deleted. + */ +void +bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport) +{ + list_del(&vport->qe); + fabric->num_vports--; + bfa_wc_down(&fabric->wc); +} + +/** + * Base port is deleted. + */ +void +bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric) +{ + bfa_wc_down(&fabric->wc); +} + +/** + * Check if fabric is online. + * + * param[in] fabric - Fabric instance. This can be a base fabric or vf. + * + * @return TRUE/FALSE + */ +int +bfa_fcs_fabric_is_online(struct bfa_fcs_fabric_s *fabric) +{ + return (bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_online)); +} + + +bfa_status_t +bfa_fcs_fabric_addvf(struct bfa_fcs_fabric_s *vf, struct bfa_fcs_s *fcs, + struct bfa_port_cfg_s *port_cfg, + struct bfad_vf_s *vf_drv) +{ + bfa_sm_set_state(vf, bfa_fcs_fabric_sm_uninit); + return BFA_STATUS_OK; +} + +/** + * Lookup for a vport withing a fabric given its pwwn + */ +struct bfa_fcs_vport_s * +bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe; + + list_for_each(qe, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + if (bfa_fcs_port_get_pwwn(&vport->lport) == pwwn) + return vport; + } + + return NULL; +} + +/** + * In a given fabric, return the number of lports. + * + * param[in] fabric - Fabric instance. This can be a base fabric or vf. + * +* @return : 1 or more. + */ +u16 +bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric) +{ + return (fabric->num_vports); +} + +/** + * Unsolicited frame receive handling. + */ +void +bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, + u16 len) +{ + u32 pid = fchs->d_id; + struct bfa_fcs_vport_s *vport; + struct list_head *qe; + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_logi_s *flogi = (struct fc_logi_s *) els_cmd; + + bfa_trc(fabric->fcs, len); + bfa_trc(fabric->fcs, pid); + + /** + * Look for our own FLOGI frames being looped back. This means an + * external loopback cable is in place. Our own FLOGI frames are + * sometimes looped back when switch port gets temporarily bypassed. + */ + if ((pid == bfa_os_ntoh3b(FC_FABRIC_PORT)) + && (els_cmd->els_code == FC_ELS_FLOGI) + && (flogi->port_name == bfa_fcs_port_get_pwwn(&fabric->bport))) { + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOOPBACK); + return; + } + + /** + * FLOGI/EVFP exchanges should be consumed by base fabric. + */ + if (fchs->d_id == bfa_os_hton3b(FC_FABRIC_PORT)) { + bfa_trc(fabric->fcs, pid); + bfa_fcs_fabric_process_uf(fabric, fchs, len); + return; + } + + if (fabric->bport.pid == pid) { + /** + * All authentication frames should be routed to auth + */ + bfa_trc(fabric->fcs, els_cmd->els_code); + if (els_cmd->els_code == FC_ELS_AUTH) { + bfa_trc(fabric->fcs, els_cmd->els_code); + fabric->auth.response = (u8 *) els_cmd; + return; + } + + bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs)); + bfa_fcs_port_uf_recv(&fabric->bport, fchs, len); + return; + } + + /** + * look for a matching local port ID + */ + list_for_each(qe, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + if (vport->lport.pid == pid) { + bfa_fcs_port_uf_recv(&vport->lport, fchs, len); + return; + } + } + bfa_trc(fabric->fcs, els_cmd->els_code); + bfa_fcs_port_uf_recv(&fabric->bport, fchs, len); +} + +/** + * Unsolicited frames to be processed by fabric. + */ +static void +bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, + u16 len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + bfa_trc(fabric->fcs, els_cmd->els_code); + + switch (els_cmd->els_code) { + case FC_ELS_FLOGI: + bfa_fcs_fabric_process_flogi(fabric, fchs, len); + break; + + default: + /* + * need to generate a LS_RJT + */ + break; + } +} + +/** + * Process incoming FLOGI + */ +static void +bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len) +{ + struct fc_logi_s *flogi = (struct fc_logi_s *) (fchs + 1); + struct bfa_fcs_port_s *bport = &fabric->bport; + + bfa_trc(fabric->fcs, fchs->s_id); + + fabric->stats.flogi_rcvd++; + /* + * Check port type. It should be 0 = n-port. + */ + if (flogi->csp.port_type) { + /* + * @todo: may need to send a LS_RJT + */ + bfa_trc(fabric->fcs, flogi->port_name); + fabric->stats.flogi_rejected++; + return; + } + + fabric->bb_credit = bfa_os_ntohs(flogi->csp.bbcred); + bport->port_topo.pn2n.rem_port_wwn = flogi->port_name; + bport->port_topo.pn2n.reply_oxid = fchs->ox_id; + + /* + * Send a Flogi Acc + */ + bfa_fcs_fabric_send_flogi_acc(fabric); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); +} + +static void +bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_port_cfg_s *pcfg = &fabric->bport.port_cfg; + struct bfa_fcs_port_n2n_s *n2n_port = &fabric->bport.port_topo.pn2n; + struct bfa_s *bfa = fabric->fcs->bfa; + struct bfa_fcxp_s *fcxp; + u16 reqlen; + struct fchs_s fchs; + + fcxp = bfa_fcs_fcxp_alloc(fabric->fcs); + /** + * Do not expect this failure -- expect remote node to retry + */ + if (!fcxp) + return; + + reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_FABRIC_PORT), + n2n_port->reply_oxid, pcfg->pwwn, + pcfg->nwwn, bfa_pport_get_maxfrsize(bfa), + bfa_pport_get_rx_bbcredit(bfa)); + + bfa_fcxp_send(fcxp, NULL, fabric->vf_id, bfa_lps_get_tag(fabric->lps), + BFA_FALSE, FC_CLASS_3, reqlen, &fchs, + bfa_fcs_fabric_flogiacc_comp, fabric, + FC_MAX_PDUSZ, 0); /* Timeout 0 indicates no + * response expected + */ +} + +/** + * Flogi Acc completion callback. + */ +static void +bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t status, u32 rsp_len, + u32 resid_len, struct fchs_s *rspfchs) +{ + struct bfa_fcs_fabric_s *fabric = cbarg; + + bfa_trc(fabric->fcs, status); +} + +/* + * + * @param[in] fabric - fabric + * @param[in] result - 1 + * + * @return - none + */ +void +bfa_fcs_auth_finished(struct bfa_fcs_fabric_s *fabric, enum auth_status status) +{ + bfa_trc(fabric->fcs, status); + + if (status == FC_AUTH_STATE_SUCCESS) + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_AUTH_SUCCESS); + else + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_AUTH_FAILED); +} + +/** + * Send AEN notification + */ +static void +bfa_fcs_fabric_aen_post(struct bfa_fcs_port_s *port, + enum bfa_port_aen_event event) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = port->fcs->logm; + wwn_t pwwn = bfa_fcs_port_get_pwwn(port); + wwn_t fwwn = bfa_fcs_port_get_fabric_name(port); + char pwwn_ptr[BFA_STRING_32]; + char fwwn_ptr[BFA_STRING_32]; + + wwn2str(pwwn_ptr, pwwn); + wwn2str(fwwn_ptr, fwwn); + + switch (event) { + case BFA_PORT_AEN_FABRIC_NAME_CHANGE: + bfa_log(logmod, BFA_AEN_PORT_FABRIC_NAME_CHANGE, pwwn_ptr, + fwwn_ptr); + break; + default: + break; + } + + aen_data.port.pwwn = pwwn; + aen_data.port.fwwn = fwwn; +} + +/* + * + * @param[in] fabric - fabric + * @param[in] wwn_t - new fabric name + * + * @return - none + */ +void +bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, + wwn_t fabric_name) +{ + bfa_trc(fabric->fcs, fabric_name); + + if (fabric->fabric_name == 0) { + /* + * With BRCD switches, we don't get Fabric Name in FLOGI. + * Don't generate a fabric name change event in this case. + */ + fabric->fabric_name = fabric_name; + } else { + fabric->fabric_name = fabric_name; + /* + * Generate a Event + */ + bfa_fcs_fabric_aen_post(&fabric->bport, + BFA_PORT_AEN_FABRIC_NAME_CHANGE); + } + +} + +/** + * Not used by FCS. + */ +void +bfa_cb_lps_flogo_comp(void *bfad, void *uarg) +{ +} + + diff --git a/drivers/scsi/bfa/fcbuild.c b/drivers/scsi/bfa/fcbuild.c new file mode 100644 index 000000000000..d174706b9caa --- /dev/null +++ b/drivers/scsi/bfa/fcbuild.c @@ -0,0 +1,1449 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * fcbuild.c - FC link service frame building and parsing routines + */ + +#include <bfa_os_inc.h> +#include "fcbuild.h" + +/* + * static build functions + */ +static void fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); +static void fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); +static struct fchs_s fc_els_req_tmpl; +static struct fchs_s fc_els_rsp_tmpl; +static struct fchs_s fc_bls_req_tmpl; +static struct fchs_s fc_bls_rsp_tmpl; +static struct fc_ba_acc_s ba_acc_tmpl; +static struct fc_logi_s plogi_tmpl; +static struct fc_prli_s prli_tmpl; +static struct fc_rrq_s rrq_tmpl; +static struct fchs_s fcp_fchs_tmpl; + +void +fcbuild_init(void) +{ + /* + * fc_els_req_tmpl + */ + fc_els_req_tmpl.routing = FC_RTG_EXT_LINK; + fc_els_req_tmpl.cat_info = FC_CAT_LD_REQUEST; + fc_els_req_tmpl.type = FC_TYPE_ELS; + fc_els_req_tmpl.f_ctl = + bfa_os_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ | + FCTL_SI_XFER); + fc_els_req_tmpl.rx_id = FC_RXID_ANY; + + /* + * fc_els_rsp_tmpl + */ + fc_els_rsp_tmpl.routing = FC_RTG_EXT_LINK; + fc_els_rsp_tmpl.cat_info = FC_CAT_LD_REPLY; + fc_els_rsp_tmpl.type = FC_TYPE_ELS; + fc_els_rsp_tmpl.f_ctl = + bfa_os_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH | + FCTL_END_SEQ | FCTL_SI_XFER); + fc_els_rsp_tmpl.rx_id = FC_RXID_ANY; + + /* + * fc_bls_req_tmpl + */ + fc_bls_req_tmpl.routing = FC_RTG_BASIC_LINK; + fc_bls_req_tmpl.type = FC_TYPE_BLS; + fc_bls_req_tmpl.f_ctl = bfa_os_hton3b(FCTL_END_SEQ | FCTL_SI_XFER); + fc_bls_req_tmpl.rx_id = FC_RXID_ANY; + + /* + * fc_bls_rsp_tmpl + */ + fc_bls_rsp_tmpl.routing = FC_RTG_BASIC_LINK; + fc_bls_rsp_tmpl.cat_info = FC_CAT_BA_ACC; + fc_bls_rsp_tmpl.type = FC_TYPE_BLS; + fc_bls_rsp_tmpl.f_ctl = + bfa_os_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH | + FCTL_END_SEQ | FCTL_SI_XFER); + fc_bls_rsp_tmpl.rx_id = FC_RXID_ANY; + + /* + * ba_acc_tmpl + */ + ba_acc_tmpl.seq_id_valid = 0; + ba_acc_tmpl.low_seq_cnt = 0; + ba_acc_tmpl.high_seq_cnt = 0xFFFF; + + /* + * plogi_tmpl + */ + plogi_tmpl.csp.verhi = FC_PH_VER_PH_3; + plogi_tmpl.csp.verlo = FC_PH_VER_4_3; + plogi_tmpl.csp.bbcred = bfa_os_htons(0x0004); + plogi_tmpl.csp.ciro = 0x1; + plogi_tmpl.csp.cisc = 0x0; + plogi_tmpl.csp.altbbcred = 0x0; + plogi_tmpl.csp.conseq = bfa_os_htons(0x00FF); + plogi_tmpl.csp.ro_bitmap = bfa_os_htons(0x0002); + plogi_tmpl.csp.e_d_tov = bfa_os_htonl(2000); + + plogi_tmpl.class3.class_valid = 1; + plogi_tmpl.class3.sequential = 1; + plogi_tmpl.class3.conseq = 0xFF; + plogi_tmpl.class3.ospx = 1; + + /* + * prli_tmpl + */ + prli_tmpl.command = FC_ELS_PRLI; + prli_tmpl.pglen = 0x10; + prli_tmpl.pagebytes = bfa_os_htons(0x0014); + prli_tmpl.parampage.type = FC_TYPE_FCP; + prli_tmpl.parampage.imagepair = 1; + prli_tmpl.parampage.servparams.rxrdisab = 1; + + /* + * rrq_tmpl + */ + rrq_tmpl.els_cmd.els_code = FC_ELS_RRQ; + + /* + * fcp_fchs_tmpl + */ + fcp_fchs_tmpl.routing = FC_RTG_FC4_DEV_DATA; + fcp_fchs_tmpl.cat_info = FC_CAT_UNSOLICIT_CMD; + fcp_fchs_tmpl.type = FC_TYPE_FCP; + fcp_fchs_tmpl.f_ctl = + bfa_os_hton3b(FCTL_FS_EXCH | FCTL_END_SEQ | FCTL_SI_XFER); + fcp_fchs_tmpl.seq_id = 1; + fcp_fchs_tmpl.rx_id = FC_RXID_ANY; +} + +static void +fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u32 ox_id) +{ + bfa_os_memset(fchs, 0, sizeof(struct fchs_s)); + + fchs->routing = FC_RTG_FC4_DEV_DATA; + fchs->cat_info = FC_CAT_UNSOLICIT_CTRL; + fchs->type = FC_TYPE_SERVICES; + fchs->f_ctl = + bfa_os_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ | + FCTL_SI_XFER); + fchs->rx_id = FC_RXID_ANY; + fchs->d_id = (d_id); + fchs->s_id = (s_id); + fchs->ox_id = bfa_os_htons(ox_id); + + /** + * @todo no need to set ox_id for request + * no need to set rx_id for response + */ +} + +void +fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_els_req_tmpl, sizeof(struct fchs_s)); + fchs->d_id = (d_id); + fchs->s_id = (s_id); + fchs->ox_id = bfa_os_htons(ox_id); +} + +static void +fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_els_rsp_tmpl, sizeof(struct fchs_s)); + fchs->d_id = d_id; + fchs->s_id = s_id; + fchs->ox_id = ox_id; +} + +enum fc_parse_status +fc_els_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_ls_rjt_s *ls_rjt = (struct fc_ls_rjt_s *) els_cmd; + + len = len; + + switch (els_cmd->els_code) { + case FC_ELS_LS_RJT: + if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY) + return (FC_PARSE_BUSY); + else + return (FC_PARSE_FAILURE); + + case FC_ELS_ACC: + return (FC_PARSE_OK); + } + return (FC_PARSE_OK); +} + +static void +fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_bls_rsp_tmpl, sizeof(struct fchs_s)); + fchs->d_id = d_id; + fchs->s_id = s_id; + fchs->ox_id = ox_id; +} + +static u16 +fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size, u8 els_code) +{ + struct fc_logi_s *plogi = (struct fc_logi_s *) (pld); + + bfa_os_memcpy(plogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + + plogi->els_cmd.els_code = els_code; + if (els_code == FC_ELS_PLOGI) + fc_els_req_build(fchs, d_id, s_id, ox_id); + else + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + plogi->csp.rxsz = plogi->class3.rxsz = bfa_os_htons(pdu_size); + + bfa_os_memcpy(&plogi->port_name, &port_name, sizeof(wwn_t)); + bfa_os_memcpy(&plogi->node_name, &node_name, sizeof(wwn_t)); + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size, u8 set_npiv, u8 set_auth, + u16 local_bb_credits) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_PORT); + u32 *vvl_info; + + bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + + flogi->els_cmd.els_code = FC_ELS_FLOGI; + fc_els_req_build(fchs, d_id, s_id, ox_id); + + flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size); + flogi->port_name = port_name; + flogi->node_name = node_name; + + /* + * Set the NPIV Capability Bit ( word 1, bit 31) of Common + * Service Parameters. + */ + flogi->csp.ciro = set_npiv; + + /* set AUTH capability */ + flogi->csp.security = set_auth; + + flogi->csp.bbcred = bfa_os_htons(local_bb_credits); + + /* Set brcd token in VVL */ + vvl_info = (u32 *)&flogi->vvl[0]; + + /* set the flag to indicate the presence of VVL */ + flogi->csp.npiv_supp = 1; /* @todo. field name is not correct */ + vvl_info[0] = bfa_os_htonl(FLOGI_VVL_BRCD); + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size, u16 local_bb_credits) +{ + u32 d_id = 0; + + bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + flogi->els_cmd.els_code = FC_ELS_ACC; + flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size); + flogi->port_name = port_name; + flogi->node_name = node_name; + + flogi->csp.bbcred = bfa_os_htons(local_bb_credits); + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_fdisc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_PORT); + + bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + + flogi->els_cmd.els_code = FC_ELS_FDISC; + fc_els_req_build(fchs, d_id, s_id, ox_id); + + flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size); + flogi->port_name = port_name; + flogi->node_name = node_name; + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name, + node_name, pdu_size, FC_ELS_PLOGI); +} + +u16 +fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name, + node_name, pdu_size, FC_ELS_ACC); +} + +enum fc_parse_status +fc_plogi_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_logi_s *plogi; + struct fc_ls_rjt_s *ls_rjt; + + switch (els_cmd->els_code) { + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) (fchs + 1); + if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY) + return (FC_PARSE_BUSY); + else + return (FC_PARSE_FAILURE); + case FC_ELS_ACC: + plogi = (struct fc_logi_s *) (fchs + 1); + if (len < sizeof(struct fc_logi_s)) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(plogi->port_name, port_name)) + return (FC_PARSE_FAILURE); + + if (!plogi->class3.class_valid) + return (FC_PARSE_FAILURE); + + if (bfa_os_ntohs(plogi->class3.rxsz) < (FC_MIN_PDUSZ)) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); + default: + return (FC_PARSE_FAILURE); + } +} + +enum fc_parse_status +fc_plogi_parse(struct fchs_s *fchs) +{ + struct fc_logi_s *plogi = (struct fc_logi_s *) (fchs + 1); + + if (plogi->class3.class_valid != 1) + return FC_PARSE_FAILURE; + + if ((bfa_os_ntohs(plogi->class3.rxsz) < FC_MIN_PDUSZ) + || (bfa_os_ntohs(plogi->class3.rxsz) > FC_MAX_PDUSZ) + || (plogi->class3.rxsz == 0)) + return (FC_PARSE_FAILURE); + + return FC_PARSE_OK; +} + +u16 +fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id) +{ + struct fc_prli_s *prli = (struct fc_prli_s *) (pld); + + fc_els_req_build(fchs, d_id, s_id, ox_id); + bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s)); + + prli->command = FC_ELS_PRLI; + prli->parampage.servparams.initiator = 1; + prli->parampage.servparams.retry = 1; + prli->parampage.servparams.rec_support = 1; + prli->parampage.servparams.task_retry_id = 0; + prli->parampage.servparams.confirm = 1; + + return (sizeof(struct fc_prli_s)); +} + +u16 +fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, enum bfa_port_role role) +{ + struct fc_prli_s *prli = (struct fc_prli_s *) (pld); + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s)); + + prli->command = FC_ELS_ACC; + + if ((role & BFA_PORT_ROLE_FCP_TM) == BFA_PORT_ROLE_FCP_TM) + prli->parampage.servparams.target = 1; + else + prli->parampage.servparams.initiator = 1; + + prli->parampage.rspcode = FC_PRLI_ACC_XQTD; + + return (sizeof(struct fc_prli_s)); +} + +enum fc_parse_status +fc_prli_rsp_parse(struct fc_prli_s *prli, int len) +{ + if (len < sizeof(struct fc_prli_s)) + return (FC_PARSE_FAILURE); + + if (prli->command != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + if ((prli->parampage.rspcode != FC_PRLI_ACC_XQTD) + && (prli->parampage.rspcode != FC_PRLI_ACC_PREDEF_IMG)) + return (FC_PARSE_FAILURE); + + if (prli->parampage.servparams.target != 1) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); +} + +enum fc_parse_status +fc_prli_parse(struct fc_prli_s *prli) +{ + if (prli->parampage.type != FC_TYPE_FCP) + return (FC_PARSE_FAILURE); + + if (!prli->parampage.imagepair) + return (FC_PARSE_FAILURE); + + if (!prli->parampage.servparams.initiator) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); +} + +u16 +fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + memset(logo, '\0', sizeof(struct fc_logo_s)); + logo->els_cmd.els_code = FC_ELS_LOGO; + logo->nport_id = (s_id); + logo->orig_port_name = port_name; + + return (sizeof(struct fc_logo_s)); +} + +static u16 +fc_adisc_x_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name, u8 els_code) +{ + memset(adisc, '\0', sizeof(struct fc_adisc_s)); + + adisc->els_cmd.els_code = els_code; + + if (els_code == FC_ELS_ADISC) + fc_els_req_build(fchs, d_id, s_id, ox_id); + else + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + adisc->orig_HA = 0; + adisc->orig_port_name = port_name; + adisc->orig_node_name = node_name; + adisc->nport_id = (s_id); + + return (sizeof(struct fc_adisc_s)); +} + +u16 +fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name) +{ + return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name, + node_name, FC_ELS_ADISC); +} + +u16 +fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name) +{ + return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name, + node_name, FC_ELS_ACC); +} + +enum fc_parse_status +fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, wwn_t port_name, + wwn_t node_name) +{ + + if (len < sizeof(struct fc_adisc_s)) + return (FC_PARSE_FAILURE); + + if (adisc->els_cmd.els_code != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(adisc->orig_port_name, port_name)) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); +} + +enum fc_parse_status +fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap, + wwn_t node_name, wwn_t port_name) +{ + struct fc_adisc_s *adisc = (struct fc_adisc_s *) pld; + + if (adisc->els_cmd.els_code != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + if ((adisc->nport_id == (host_dap)) + && wwn_is_equal(adisc->orig_port_name, port_name) + && wwn_is_equal(adisc->orig_node_name, node_name)) + return (FC_PARSE_OK); + + return (FC_PARSE_FAILURE); +} + +enum fc_parse_status +fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, wwn_t port_name) +{ + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + + if (pdisc->class3.class_valid != 1) + return FC_PARSE_FAILURE; + + if ((bfa_os_ntohs(pdisc->class3.rxsz) < + (FC_MIN_PDUSZ - sizeof(struct fchs_s))) + || (pdisc->class3.rxsz == 0)) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(pdisc->port_name, port_name)) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(pdisc->node_name, node_name)) + return (FC_PARSE_FAILURE); + + return FC_PARSE_OK; +} + +u16 +fc_abts_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_bls_req_tmpl, sizeof(struct fchs_s)); + fchs->cat_info = FC_CAT_ABTS; + fchs->d_id = (d_id); + fchs->s_id = (s_id); + fchs->ox_id = bfa_os_htons(ox_id); + + return (sizeof(struct fchs_s)); +} + +enum fc_parse_status +fc_abts_rsp_parse(struct fchs_s *fchs, int len) +{ + if ((fchs->cat_info == FC_CAT_BA_ACC) + || (fchs->cat_info == FC_CAT_BA_RJT)) + return (FC_PARSE_OK); + + return (FC_PARSE_FAILURE); +} + +u16 +fc_rrq_build(struct fchs_s *fchs, struct fc_rrq_s *rrq, u32 d_id, + u32 s_id, u16 ox_id, u16 rrq_oxid) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + /* + * build rrq payload + */ + bfa_os_memcpy(rrq, &rrq_tmpl, sizeof(struct fc_rrq_s)); + rrq->s_id = (s_id); + rrq->ox_id = bfa_os_htons(rrq_oxid); + rrq->rx_id = FC_RXID_ANY; + + return (sizeof(struct fc_rrq_s)); +} + +u16 +fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id) +{ + struct fc_els_cmd_s *acc = pld; + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + memset(acc, 0, sizeof(struct fc_els_cmd_s)); + acc->els_code = FC_ELS_ACC; + + return (sizeof(struct fc_els_cmd_s)); +} + +u16 +fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, u32 d_id, + u32 s_id, u16 ox_id, u8 reason_code, + u8 reason_code_expl) +{ + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + memset(ls_rjt, 0, sizeof(struct fc_ls_rjt_s)); + + ls_rjt->els_cmd.els_code = FC_ELS_LS_RJT; + ls_rjt->reason_code = reason_code; + ls_rjt->reason_code_expl = reason_code_expl; + ls_rjt->vendor_unique = 0x00; + + return (sizeof(struct fc_ls_rjt_s)); +} + +u16 +fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, + u32 s_id, u16 ox_id, u16 rx_id) +{ + fc_bls_rsp_build(fchs, d_id, s_id, ox_id); + + bfa_os_memcpy(ba_acc, &ba_acc_tmpl, sizeof(struct fc_ba_acc_s)); + + fchs->rx_id = rx_id; + + ba_acc->ox_id = fchs->ox_id; + ba_acc->rx_id = fchs->rx_id; + + return (sizeof(struct fc_ba_acc_s)); +} + +u16 +fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, + u32 d_id, u32 s_id, u16 ox_id) +{ + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + memset(els_cmd, 0, sizeof(struct fc_els_cmd_s)); + els_cmd->els_code = FC_ELS_ACC; + + return (sizeof(struct fc_els_cmd_s)); +} + +int +fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code) +{ + int num_pages = 0; + struct fc_prlo_s *prlo; + struct fc_tprlo_s *tprlo; + + if (els_code == FC_ELS_PRLO) { + prlo = (struct fc_prlo_s *) (fc_frame + 1); + num_pages = (bfa_os_ntohs(prlo->payload_len) - 4) / 16; + } else { + tprlo = (struct fc_tprlo_s *) (fc_frame + 1); + num_pages = (bfa_os_ntohs(tprlo->payload_len) - 4) / 16; + } + return num_pages; +} + +u16 +fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, + u32 d_id, u32 s_id, u16 ox_id, + int num_pages) +{ + int page; + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + memset(tprlo_acc, 0, (num_pages * 16) + 4); + tprlo_acc->command = FC_ELS_ACC; + + tprlo_acc->page_len = 0x10; + tprlo_acc->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + tprlo_acc->tprlo_acc_params[page].opa_valid = 0; + tprlo_acc->tprlo_acc_params[page].rpa_valid = 0; + tprlo_acc->tprlo_acc_params[page].fc4type_csp = FC_TYPE_FCP; + tprlo_acc->tprlo_acc_params[page].orig_process_assc = 0; + tprlo_acc->tprlo_acc_params[page].resp_process_assc = 0; + } + return (bfa_os_ntohs(tprlo_acc->payload_len)); +} + +u16 +fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, + u32 d_id, u32 s_id, u16 ox_id, + int num_pages) +{ + int page; + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + memset(prlo_acc, 0, (num_pages * 16) + 4); + prlo_acc->command = FC_ELS_ACC; + prlo_acc->page_len = 0x10; + prlo_acc->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + prlo_acc->prlo_acc_params[page].opa_valid = 0; + prlo_acc->prlo_acc_params[page].rpa_valid = 0; + prlo_acc->prlo_acc_params[page].fc4type_csp = FC_TYPE_FCP; + prlo_acc->prlo_acc_params[page].orig_process_assc = 0; + prlo_acc->prlo_acc_params[page].resp_process_assc = 0; + } + + return (bfa_os_ntohs(prlo_acc->payload_len)); +} + +u16 +fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, u32 d_id, + u32 s_id, u16 ox_id, u32 data_format) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + memset(rnid, 0, sizeof(struct fc_rnid_cmd_s)); + + rnid->els_cmd.els_code = FC_ELS_RNID; + rnid->node_id_data_format = data_format; + + return (sizeof(struct fc_rnid_cmd_s)); +} + +u16 +fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, + u32 d_id, u32 s_id, u16 ox_id, + u32 data_format, + struct fc_rnid_common_id_data_s *common_id_data, + struct fc_rnid_general_topology_data_s *gen_topo_data) +{ + memset(rnid_acc, 0, sizeof(struct fc_rnid_acc_s)); + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + rnid_acc->els_cmd.els_code = FC_ELS_ACC; + rnid_acc->node_id_data_format = data_format; + rnid_acc->common_id_data_length = + sizeof(struct fc_rnid_common_id_data_s); + rnid_acc->common_id_data = *common_id_data; + + if (data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) { + rnid_acc->specific_id_data_length = + sizeof(struct fc_rnid_general_topology_data_s); + bfa_os_assign(rnid_acc->gen_topology_data, *gen_topo_data); + return (sizeof(struct fc_rnid_acc_s)); + } else { + return (sizeof(struct fc_rnid_acc_s) - + sizeof(struct fc_rnid_general_topology_data_s)); + } + +} + +u16 +fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, u32 d_id, + u32 s_id, u16 ox_id) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + memset(rpsc, 0, sizeof(struct fc_rpsc_cmd_s)); + + rpsc->els_cmd.els_code = FC_ELS_RPSC; + return (sizeof(struct fc_rpsc_cmd_s)); +} + +u16 +fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2, + u32 d_id, u32 s_id, u32 *pid_list, + u16 npids) +{ + u32 dctlr_id = FC_DOMAIN_CTRLR(bfa_os_hton3b(d_id)); + int i = 0; + + fc_els_req_build(fchs, bfa_os_hton3b(dctlr_id), s_id, 0); + + memset(rpsc2, 0, sizeof(struct fc_rpsc2_cmd_s)); + + rpsc2->els_cmd.els_code = FC_ELS_RPSC; + rpsc2->token = bfa_os_htonl(FC_BRCD_TOKEN); + rpsc2->num_pids = bfa_os_htons(npids); + for (i = 0; i < npids; i++) + rpsc2->pid_list[i].pid = pid_list[i]; + + return (sizeof(struct fc_rpsc2_cmd_s) + ((npids - 1) * + (sizeof(u32)))); +} + +u16 +fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc, + u32 d_id, u32 s_id, u16 ox_id, + struct fc_rpsc_speed_info_s *oper_speed) +{ + memset(rpsc_acc, 0, sizeof(struct fc_rpsc_acc_s)); + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + rpsc_acc->command = FC_ELS_ACC; + rpsc_acc->num_entries = bfa_os_htons(1); + + rpsc_acc->speed_info[0].port_speed_cap = + bfa_os_htons(oper_speed->port_speed_cap); + + rpsc_acc->speed_info[0].port_op_speed = + bfa_os_htons(oper_speed->port_op_speed); + + return (sizeof(struct fc_rpsc_acc_s)); + +} + +/* + * TBD - + * . get rid of unnecessary memsets + */ + +u16 +fc_logo_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + len = len; + if (els_cmd->els_code != FC_ELS_ACC) + return FC_PARSE_FAILURE; + + return FC_PARSE_OK; +} + +u16 +fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + + bfa_os_memcpy(pdisc, &plogi_tmpl, sizeof(struct fc_logi_s)); + + pdisc->els_cmd.els_code = FC_ELS_PDISC; + fc_els_req_build(fchs, d_id, s_id, ox_id); + + pdisc->csp.rxsz = pdisc->class3.rxsz = bfa_os_htons(pdu_size); + pdisc->port_name = port_name; + pdisc->node_name = node_name; + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name) +{ + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + + if (len < sizeof(struct fc_logi_s)) + return (FC_PARSE_LEN_INVAL); + + if (pdisc->els_cmd.els_code != FC_ELS_ACC) + return (FC_PARSE_ACC_INVAL); + + if (!wwn_is_equal(pdisc->port_name, port_name)) + return (FC_PARSE_PWWN_NOT_EQUAL); + + if (!pdisc->class3.class_valid) + return (FC_PARSE_NWWN_NOT_EQUAL); + + if (bfa_os_ntohs(pdisc->class3.rxsz) < (FC_MIN_PDUSZ)) + return (FC_PARSE_RXSZ_INVAL); + + return (FC_PARSE_OK); +} + +u16 +fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id, + int num_pages) +{ + struct fc_prlo_s *prlo = (struct fc_prlo_s *) (fchs + 1); + int page; + + fc_els_req_build(fchs, d_id, s_id, ox_id); + memset(prlo, 0, (num_pages * 16) + 4); + prlo->command = FC_ELS_PRLO; + prlo->page_len = 0x10; + prlo->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + prlo->prlo_params[page].type = FC_TYPE_FCP; + prlo->prlo_params[page].opa_valid = 0; + prlo->prlo_params[page].rpa_valid = 0; + prlo->prlo_params[page].orig_process_assc = 0; + prlo->prlo_params[page].resp_process_assc = 0; + } + + return (bfa_os_ntohs(prlo->payload_len)); +} + +u16 +fc_prlo_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_prlo_acc_s *prlo = (struct fc_prlo_acc_s *) (fchs + 1); + int num_pages = 0; + int page = 0; + + len = len; + + if (prlo->command != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + num_pages = ((bfa_os_ntohs(prlo->payload_len)) - 4) / 16; + + for (page = 0; page < num_pages; page++) { + if (prlo->prlo_acc_params[page].type != FC_TYPE_FCP) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].opa_valid != 0) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].rpa_valid != 0) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].orig_process_assc != 0) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].resp_process_assc != 0) + return FC_PARSE_FAILURE; + } + return (FC_PARSE_OK); + +} + +u16 +fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, int num_pages, + enum fc_tprlo_type tprlo_type, u32 tpr_id) +{ + struct fc_tprlo_s *tprlo = (struct fc_tprlo_s *) (fchs + 1); + int page; + + fc_els_req_build(fchs, d_id, s_id, ox_id); + memset(tprlo, 0, (num_pages * 16) + 4); + tprlo->command = FC_ELS_TPRLO; + tprlo->page_len = 0x10; + tprlo->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + tprlo->tprlo_params[page].type = FC_TYPE_FCP; + tprlo->tprlo_params[page].opa_valid = 0; + tprlo->tprlo_params[page].rpa_valid = 0; + tprlo->tprlo_params[page].orig_process_assc = 0; + tprlo->tprlo_params[page].resp_process_assc = 0; + if (tprlo_type == FC_GLOBAL_LOGO) { + tprlo->tprlo_params[page].global_process_logout = 1; + } else if (tprlo_type == FC_TPR_LOGO) { + tprlo->tprlo_params[page].tpo_nport_valid = 1; + tprlo->tprlo_params[page].tpo_nport_id = (tpr_id); + } + } + + return (bfa_os_ntohs(tprlo->payload_len)); +} + +u16 +fc_tprlo_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_tprlo_acc_s *tprlo = (struct fc_tprlo_acc_s *) (fchs + 1); + int num_pages = 0; + int page = 0; + + len = len; + + if (tprlo->command != FC_ELS_ACC) + return (FC_PARSE_ACC_INVAL); + + num_pages = (bfa_os_ntohs(tprlo->payload_len) - 4) / 16; + + for (page = 0; page < num_pages; page++) { + if (tprlo->tprlo_acc_params[page].type != FC_TYPE_FCP) + return (FC_PARSE_NOT_FCP); + if (tprlo->tprlo_acc_params[page].opa_valid != 0) + return (FC_PARSE_OPAFLAG_INVAL); + if (tprlo->tprlo_acc_params[page].rpa_valid != 0) + return (FC_PARSE_RPAFLAG_INVAL); + if (tprlo->tprlo_acc_params[page].orig_process_assc != 0) + return (FC_PARSE_OPA_INVAL); + if (tprlo->tprlo_acc_params[page].resp_process_assc != 0) + return (FC_PARSE_RPA_INVAL); + } + return (FC_PARSE_OK); +} + +enum fc_parse_status +fc_rrq_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + len = len; + if (els_cmd->els_code != FC_ELS_ACC) + return FC_PARSE_FAILURE; + + return FC_PARSE_OK; +} + +u16 +fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, u32 reason_code, + u32 reason_expl) +{ + struct fc_ba_rjt_s *ba_rjt = (struct fc_ba_rjt_s *) (fchs + 1); + + fc_bls_rsp_build(fchs, d_id, s_id, ox_id); + + fchs->cat_info = FC_CAT_BA_RJT; + ba_rjt->reason_code = reason_code; + ba_rjt->reason_expl = reason_expl; + return (sizeof(struct fc_ba_rjt_s)); +} + +static void +fc_gs_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code) +{ + bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s)); + cthdr->rev_id = CT_GS3_REVISION; + cthdr->gs_type = CT_GSTYPE_DIRSERVICE; + cthdr->gs_sub_type = CT_GSSUBTYPE_NAMESERVER; + cthdr->cmd_rsp_code = bfa_os_htons(cmd_code); +} + +static void +fc_gs_fdmi_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code) +{ + bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s)); + cthdr->rev_id = CT_GS3_REVISION; + cthdr->gs_type = CT_GSTYPE_MGMTSERVICE; + cthdr->gs_sub_type = CT_GSSUBTYPE_HBA_MGMTSERVER; + cthdr->cmd_rsp_code = bfa_os_htons(cmd_code); +} + +static void +fc_gs_ms_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code, + u8 sub_type) +{ + bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s)); + cthdr->rev_id = CT_GS3_REVISION; + cthdr->gs_type = CT_GSTYPE_MGMTSERVICE; + cthdr->gs_sub_type = sub_type; + cthdr->cmd_rsp_code = bfa_os_htons(cmd_code); +} + +u16 +fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + wwn_t port_name) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_gidpn_req_s *gidpn = + (struct fcgs_gidpn_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_GID_PN); + + bfa_os_memset(gidpn, 0, sizeof(struct fcgs_gidpn_req_s)); + gidpn->port_name = port_name; + return (sizeof(struct fcgs_gidpn_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_gpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u32 port_id) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gpnid_req_t *gpnid = (fcgs_gpnid_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_GPN_ID); + + bfa_os_memset(gpnid, 0, sizeof(fcgs_gpnid_req_t)); + gpnid->dap = port_id; + return (sizeof(fcgs_gpnid_req_t) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u32 port_id) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gnnid_req_t *gnnid = (fcgs_gnnid_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_GNN_ID); + + bfa_os_memset(gnnid, 0, sizeof(fcgs_gnnid_req_t)); + gnnid->dap = port_id; + return (sizeof(fcgs_gnnid_req_t) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_ct_rsp_parse(struct ct_hdr_s *cthdr) +{ + if (bfa_os_ntohs(cthdr->cmd_rsp_code) != CT_RSP_ACCEPT) { + if (cthdr->reason_code == CT_RSN_LOGICAL_BUSY) + return FC_PARSE_BUSY; + else + return FC_PARSE_FAILURE; + } + + return FC_PARSE_OK; +} + +u16 +fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, u8 set_br_reg, + u32 s_id, u16 ox_id) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER); + + fc_els_req_build(fchs, d_id, s_id, ox_id); + + bfa_os_memset(scr, 0, sizeof(struct fc_scr_s)); + scr->command = FC_ELS_SCR; + scr->reg_func = FC_SCR_REG_FUNC_FULL; + if (set_br_reg) + scr->vu_reg_func = FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE; + + return (sizeof(struct fc_scr_s)); +} + +u16 +fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, + u16 ox_id) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER); + u16 payldlen; + + fc_els_req_build(fchs, d_id, s_id, ox_id); + rscn->command = FC_ELS_RSCN; + rscn->pagelen = sizeof(rscn->event[0]); + + payldlen = sizeof(u32) + rscn->pagelen; + rscn->payldlen = bfa_os_htons(payldlen); + + rscn->event[0].format = FC_RSCN_FORMAT_PORTID; + rscn->event[0].portid = s_id; + + return (sizeof(struct fc_rscn_pl_s)); +} + +u16 +fc_rftid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + enum bfa_port_role roles) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rftid_req_s *rftid = + (struct fcgs_rftid_req_s *) (cthdr + 1); + u32 type_value, d_id = bfa_os_hton3b(FC_NAME_SERVER); + u8 index; + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID); + + bfa_os_memset(rftid, 0, sizeof(struct fcgs_rftid_req_s)); + + rftid->dap = s_id; + + /* By default, FCP FC4 Type is registered */ + index = FC_TYPE_FCP >> 5; + type_value = 1 << (FC_TYPE_FCP % 32); + rftid->fc4_type[index] = bfa_os_htonl(type_value); + + if (roles & BFA_PORT_ROLE_FCP_IPFC) { + index = FC_TYPE_IP >> 5; + type_value = 1 << (FC_TYPE_IP % 32); + rftid->fc4_type[index] |= bfa_os_htonl(type_value); + } + + return (sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, u8 *fc4_bitmap, + u32 bitmap_size) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rftid_req_s *rftid = + (struct fcgs_rftid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID); + + bfa_os_memset(rftid, 0, sizeof(struct fcgs_rftid_req_s)); + + rftid->dap = s_id; + bfa_os_memcpy((void *)rftid->fc4_type, (void *)fc4_bitmap, + (bitmap_size < 32 ? bitmap_size : 32)); + + return (sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u8 fc4_type, u8 fc4_ftrs) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rffid_req_s *rffid = + (struct fcgs_rffid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RFF_ID); + + bfa_os_memset(rffid, 0, sizeof(struct fcgs_rffid_req_s)); + + rffid->dap = s_id; + rffid->fc4ftr_bits = fc4_ftrs; + rffid->fc4_type = fc4_type; + + return (sizeof(struct fcgs_rffid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u8 *name) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rspnid_req_s *rspnid = + (struct fcgs_rspnid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RSPN_ID); + + bfa_os_memset(rspnid, 0, sizeof(struct fcgs_rspnid_req_s)); + + rspnid->dap = s_id; + rspnid->spn_len = (u8) strlen((char *)name); + strncpy((char *)rspnid->spn, (char *)name, rspnid->spn_len); + + return (sizeof(struct fcgs_rspnid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u8 fc4_type) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_gidft_req_s *gidft = + (struct fcgs_gidft_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + + fc_gs_cthdr_build(cthdr, s_id, GS_GID_FT); + + bfa_os_memset(gidft, 0, sizeof(struct fcgs_gidft_req_s)); + gidft->fc4_type = fc4_type; + gidft->domain_id = 0; + gidft->area_id = 0; + + return (sizeof(struct fcgs_gidft_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + wwn_t port_name) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rpnid_req_s *rpnid = + (struct fcgs_rpnid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RPN_ID); + + bfa_os_memset(rpnid, 0, sizeof(struct fcgs_rpnid_req_s)); + rpnid->port_id = port_id; + rpnid->port_name = port_name; + + return (sizeof(struct fcgs_rpnid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + wwn_t node_name) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rnnid_req_s *rnnid = + (struct fcgs_rnnid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RNN_ID); + + bfa_os_memset(rnnid, 0, sizeof(struct fcgs_rnnid_req_s)); + rnnid->port_id = port_id; + rnnid->node_name = node_name; + + return (sizeof(struct fcgs_rnnid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + u32 cos) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rcsid_req_s *rcsid = + (struct fcgs_rcsid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RCS_ID); + + bfa_os_memset(rcsid, 0, sizeof(struct fcgs_rcsid_req_s)); + rcsid->port_id = port_id; + rcsid->cos = cos; + + return (sizeof(struct fcgs_rcsid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + u8 port_type) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rptid_req_s *rptid = + (struct fcgs_rptid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RPT_ID); + + bfa_os_memset(rptid, 0, sizeof(struct fcgs_rptid_req_s)); + rptid->port_id = port_id; + rptid->port_type = port_type; + + return (sizeof(struct fcgs_rptid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_ganxt_req_s *ganxt = + (struct fcgs_ganxt_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_GA_NXT); + + bfa_os_memset(ganxt, 0, sizeof(struct fcgs_ganxt_req_s)); + ganxt->port_id = port_id; + + return (sizeof(struct ct_hdr_s) + sizeof(struct fcgs_ganxt_req_s)); +} + +/* + * Builds fc hdr and ct hdr for FDMI requests. + */ +u16 +fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 cmd_code) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_fdmi_cthdr_build(cthdr, s_id, cmd_code); + + return (sizeof(struct ct_hdr_s)); +} + +/* + * Given a FC4 Type, this function returns a fc4 type bitmask + */ +void +fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask) +{ + u8 index; + u32 *ptr = (u32 *) bit_mask; + u32 type_value; + + /* + * @todo : Check for bitmask size + */ + + index = fc4_type >> 5; + type_value = 1 << (fc4_type % 32); + ptr[index] = bfa_os_htonl(type_value); + +} + +/* + * GMAL Request + */ +u16 +fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gmal_req_t *gmal = (fcgs_gmal_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GMAL_CMD, + CT_GSSUBTYPE_CFGSERVER); + + bfa_os_memset(gmal, 0, sizeof(fcgs_gmal_req_t)); + gmal->wwn = wwn; + + return (sizeof(struct ct_hdr_s) + sizeof(fcgs_gmal_req_t)); +} + +/* + * GFN (Get Fabric Name) Request + */ +u16 +fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gfn_req_t *gfn = (fcgs_gfn_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GFN_CMD, + CT_GSSUBTYPE_CFGSERVER); + + bfa_os_memset(gfn, 0, sizeof(fcgs_gfn_req_t)); + gfn->wwn = wwn; + + return (sizeof(struct ct_hdr_s) + sizeof(fcgs_gfn_req_t)); +} diff --git a/drivers/scsi/bfa/fcbuild.h b/drivers/scsi/bfa/fcbuild.h new file mode 100644 index 000000000000..4d248424f7b3 --- /dev/null +++ b/drivers/scsi/bfa/fcbuild.h @@ -0,0 +1,273 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * fcbuild.h - FC link service frame building and parsing routines + */ + +#ifndef __FCBUILD_H__ +#define __FCBUILD_H__ + +#include <bfa_os_inc.h> +#include <protocol/fc.h> +#include <protocol/fcp.h> +#include <protocol/ct.h> +#include <defs/bfa_defs_port.h> +#include <defs/bfa_defs_pport.h> + +/* + * Utility Macros/functions + */ + +#define fcif_sof_set(_ifhdr, _sof) (_ifhdr)->sof = FC_ ## _sof +#define fcif_eof_set(_ifhdr, _eof) (_ifhdr)->eof = FC_ ## _eof + +#define wwn_is_equal(_wwn1, _wwn2) \ + (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0) + +#define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) + +/* + * Given the fc response length, this routine will return + * the length of the actual payload bytes following the CT header. + * + * Assumes the input response length does not include the crc, eof, etc. + */ +static inline u32 +fc_get_ctresp_pyld_len(u32 resp_len) +{ + return (resp_len - sizeof(struct ct_hdr_s)); +} + +/* + * Convert bfa speed to rpsc speed value. + */ +static inline enum bfa_pport_speed +fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed_s speed) +{ + switch (speed) { + + case RPSC_OP_SPEED_1G: + return BFA_PPORT_SPEED_1GBPS; + + case RPSC_OP_SPEED_2G: + return BFA_PPORT_SPEED_2GBPS; + + case RPSC_OP_SPEED_4G: + return BFA_PPORT_SPEED_4GBPS; + + case RPSC_OP_SPEED_8G: + return BFA_PPORT_SPEED_8GBPS; + + default: + return BFA_PPORT_SPEED_UNKNOWN; + } +} + +/* + * Convert RPSC speed to bfa speed value. + */ +static inline enum fc_rpsc_op_speed_s +fc_bfa_speed_to_rpsc_operspeed(enum bfa_pport_speed op_speed) +{ + switch (op_speed) { + + case BFA_PPORT_SPEED_1GBPS: + return RPSC_OP_SPEED_1G; + + case BFA_PPORT_SPEED_2GBPS: + return RPSC_OP_SPEED_2G; + + case BFA_PPORT_SPEED_4GBPS: + return RPSC_OP_SPEED_4G; + + case BFA_PPORT_SPEED_8GBPS: + return RPSC_OP_SPEED_8G; + + default: + return RPSC_OP_SPEED_NOT_EST; + } +} +enum fc_parse_status { + FC_PARSE_OK = 0, + FC_PARSE_FAILURE = 1, + FC_PARSE_BUSY = 2, + FC_PARSE_LEN_INVAL, + FC_PARSE_ACC_INVAL, + FC_PARSE_PWWN_NOT_EQUAL, + FC_PARSE_NWWN_NOT_EQUAL, + FC_PARSE_RXSZ_INVAL, + FC_PARSE_NOT_FCP, + FC_PARSE_OPAFLAG_INVAL, + FC_PARSE_RPAFLAG_INVAL, + FC_PARSE_OPA_INVAL, + FC_PARSE_RPA_INVAL, + +}; + +struct fc_templates_s { + struct fchs_s fc_els_req; + struct fchs_s fc_bls_req; + struct fc_logi_s plogi; + struct fc_rrq_s rrq; +}; + +void fcbuild_init(void); + +u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name, u16 pdu_size, u8 set_npiv, + u8 set_auth, u16 local_bb_credits); +u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name, u16 pdu_size); +u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name, u16 pdu_size, + u16 local_bb_credits); +u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name, u16 pdu_size); +enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs); +u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id, + u16 ox_id); +enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len); +u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id, + u32 s_id, u16 ox_id, u16 rrq_oxid); +enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len); +u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, + u16 ox_id, u8 *name); +u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, + u16 ox_id, enum bfa_port_role role); +u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, u8 *fc4_bitmap, + u32 bitmap_size); +u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, u8 fc4_type, u8 fc4_ftrs); +u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, wwn_t port_name); +u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id, + u16 ox_id, u32 port_id); +u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, + u8 set_br_reg, u32 s_id, u16 ox_id); +u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id, + wwn_t port_name, wwn_t node_name, u16 pdu_size); + +u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, + u32 d_id, u32 s_id, u16 ox_id, + wwn_t port_name, wwn_t node_name); +enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld, + u32 host_dap, + wwn_t node_name, wwn_t port_name); +enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, + wwn_t port_name, wwn_t node_name); +u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, + u32 d_id, u32 s_id, u16 ox_id, + wwn_t port_name, wwn_t node_name); +u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, + u32 d_id, u32 s_id, u16 ox_id, + u8 reason_code, u8 reason_code_expl); +u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, + u32 d_id, u32 s_id, u16 ox_id); +u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id); +enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len); + +u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id, + enum bfa_port_role role); +u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, + u32 d_id, u32 s_id, u16 ox_id, + u32 data_format); +u16 fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, + u32 d_id, u32 s_id, u16 ox_id, + u32 data_format, + struct fc_rnid_common_id_data_s *common_id_data, + struct fc_rnid_general_topology_data_s * + gen_topo_data); +u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c, + u32 d_id, u32 s_id, + u32 *pid_list, u16 npids); +u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, + u32 d_id, u32 s_id, u16 ox_id); +u16 fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc, + u32 d_id, u32 s_id, u16 ox_id, + struct fc_rpsc_speed_info_s *oper_speed); +u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id, + u8 fc4_type); +u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, wwn_t port_name); +u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, wwn_t node_name); +u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, u32 cos); +u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, u8 port_type); +u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id); +u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, + u32 d_id, u32 s_id, u16 ox_id, + wwn_t port_name); +u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id); +u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 cmd_code); +u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, + wwn_t wwn); +u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, + wwn_t wwn); +void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask); +void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); +enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len); +enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, + wwn_t port_name); +enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli); +enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, + wwn_t port_name); +u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, + u32 d_id, u32 s_id, u16 ox_id, + u16 rx_id); +int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code); +u16 fc_tprlo_acc_build(struct fchs_s *fchs, + struct fc_tprlo_acc_s *tprlo_acc, + u32 d_id, u32 s_id, u16 ox_id, + int num_pages); +u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, + u32 d_id, u32 s_id, u16 ox_id, + int num_pages); +u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len); +u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size); +u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name); +u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, int num_pages); +u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len); +u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, int num_pages, + enum fc_tprlo_type tprlo_type, u32 tpr_id); +u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len); +u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, u32 reason_code, + u32 reason_expl); +u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, u32 port_id); +u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr); +u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, + u32 s_id, u16 ox_id); +#endif diff --git a/drivers/scsi/bfa/fcpim.c b/drivers/scsi/bfa/fcpim.c new file mode 100644 index 000000000000..8ce5d8934677 --- /dev/null +++ b/drivers/scsi/bfa/fcpim.c @@ -0,0 +1,844 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcpim.c - FCP initiator mode i-t nexus state machine + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_fcpim.h" +#include "fcs_rport.h" +#include "fcs_lport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs.h" +#include <fcs/bfa_fcs_fcpim.h> +#include <fcb/bfa_fcb_fcpim.h> +#include <aen/bfa_aen_itnim.h> + +BFA_TRC_FILE(FCS, FCPIM); + +/* + * forward declarations + */ +static void bfa_fcs_itnim_timeout(void *arg); +static void bfa_fcs_itnim_free(struct bfa_fcs_itnim_s *itnim); +static void bfa_fcs_itnim_send_prli(void *itnim_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_itnim_prli_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim, + enum bfa_itnim_aen_event event); + +/** + * fcs_itnim_sm FCS itnim state machine events + */ + +enum bfa_fcs_itnim_event { + BFA_FCS_ITNIM_SM_ONLINE = 1, /* rport online event */ + BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */ + BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */ + BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */ + BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */ + BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */ + BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */ + BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */ + BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */ + BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */ + BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */ +}; + +static void bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); +static void bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); +static void bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); +static void bfa_fcs_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); +static void bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); +static void bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); +static void bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); +static void bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event); + +static struct bfa_sm_table_s itnim_sm_table[] = { + {BFA_SM(bfa_fcs_itnim_sm_offline), BFA_ITNIM_OFFLINE}, + {BFA_SM(bfa_fcs_itnim_sm_prli_send), BFA_ITNIM_PRLI_SEND}, + {BFA_SM(bfa_fcs_itnim_sm_prli), BFA_ITNIM_PRLI_SENT}, + {BFA_SM(bfa_fcs_itnim_sm_prli_retry), BFA_ITNIM_PRLI_RETRY}, + {BFA_SM(bfa_fcs_itnim_sm_hcb_online), BFA_ITNIM_HCB_ONLINE}, + {BFA_SM(bfa_fcs_itnim_sm_online), BFA_ITNIM_ONLINE}, + {BFA_SM(bfa_fcs_itnim_sm_hcb_offline), BFA_ITNIM_HCB_OFFLINE}, + {BFA_SM(bfa_fcs_itnim_sm_initiator), BFA_ITNIM_INITIATIOR}, +}; + +/** + * fcs_itnim_sm FCS itnim state machine + */ + +static void +bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_ONLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send); + bfa_fcs_itnim_send_prli(itnim, NULL); + break; + + case BFA_FCS_ITNIM_SM_OFFLINE: + bfa_fcs_rport_itnim_ack(itnim->rport); + break; + + case BFA_FCS_ITNIM_SM_INITIATOR: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } + +} + +static void +bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_FRMSENT: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli); + break; + + case BFA_FCS_ITNIM_SM_INITIATOR: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); + bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe); + break; + + case BFA_FCS_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe); + bfa_fcs_rport_itnim_ack(itnim->rport); + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe); + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_RSP_OK: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_online); + bfa_itnim_online(itnim->bfa_itnim, itnim->seq_rec); + break; + + case BFA_FCS_ITNIM_SM_RSP_ERROR: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_retry); + bfa_timer_start(itnim->fcs->bfa, &itnim->timer, + bfa_fcs_itnim_timeout, itnim, + BFA_FCS_RETRY_TIMEOUT); + break; + + case BFA_FCS_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcxp_discard(itnim->fcxp); + bfa_fcs_rport_itnim_ack(itnim->rport); + break; + + case BFA_FCS_ITNIM_SM_INITIATOR: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); + /* + * dont discard fcxp. accept will reach same state + */ + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcxp_discard(itnim->fcxp); + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_TIMEOUT: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send); + bfa_fcs_itnim_send_prli(itnim, NULL); + break; + + case BFA_FCS_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_timer_stop(&itnim->timer); + bfa_fcs_rport_itnim_ack(itnim->rport); + break; + + case BFA_FCS_ITNIM_SM_INITIATOR: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); + bfa_timer_stop(&itnim->timer); + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_timer_stop(&itnim->timer); + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_HCB_ONLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_online); + bfa_fcb_itnim_online(itnim->itnim_drv); + bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_ONLINE); + break; + + case BFA_FCS_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_itnim_offline(itnim->bfa_itnim); + bfa_fcs_rport_itnim_ack(itnim->rport); + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_offline); + bfa_fcb_itnim_offline(itnim->itnim_drv); + bfa_itnim_offline(itnim->bfa_itnim); + if (bfa_fcs_port_is_online(itnim->rport->port) == BFA_TRUE) { + bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_DISCONNECT); + } else { + bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_OFFLINE); + } + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_HCB_OFFLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcs_rport_itnim_ack(itnim->rport); + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } +} + +/* + * This state is set when a discovered rport is also in intiator mode. + * This ITN is marked as no_op and is not active and will not be truned into + * online state. + */ +static void +bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim, + enum bfa_fcs_itnim_event event) +{ + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_trc(itnim->fcs, event); + + switch (event) { + case BFA_FCS_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcs_rport_itnim_ack(itnim->rport); + break; + + case BFA_FCS_ITNIM_SM_RSP_ERROR: + case BFA_FCS_ITNIM_SM_ONLINE: + case BFA_FCS_ITNIM_SM_INITIATOR: + break; + + case BFA_FCS_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + bfa_fcs_itnim_free(itnim); + break; + + default: + bfa_assert(0); + } +} + + + +/** + * itnim_private FCS ITNIM private interfaces + */ + +static void +bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim, + enum bfa_itnim_aen_event event) +{ + struct bfa_fcs_rport_s *rport = itnim->rport; + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = rport->fcs->logm; + wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port); + wwn_t rpwwn = rport->pwwn; + char lpwwn_ptr[BFA_STRING_32]; + char rpwwn_ptr[BFA_STRING_32]; + + /* + * Don't post events for well known addresses + */ + if (BFA_FCS_PID_IS_WKA(rport->pid)) + return; + + wwn2str(lpwwn_ptr, lpwwn); + wwn2str(rpwwn_ptr, rpwwn); + + switch (event) { + case BFA_ITNIM_AEN_ONLINE: + bfa_log(logmod, BFA_AEN_ITNIM_ONLINE, rpwwn_ptr, lpwwn_ptr); + break; + case BFA_ITNIM_AEN_OFFLINE: + bfa_log(logmod, BFA_AEN_ITNIM_OFFLINE, rpwwn_ptr, lpwwn_ptr); + break; + case BFA_ITNIM_AEN_DISCONNECT: + bfa_log(logmod, BFA_AEN_ITNIM_DISCONNECT, rpwwn_ptr, lpwwn_ptr); + break; + default: + break; + } + + aen_data.itnim.vf_id = rport->port->fabric->vf_id; + aen_data.itnim.ppwwn = + bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(itnim->fcs)); + aen_data.itnim.lpwwn = lpwwn; + aen_data.itnim.rpwwn = rpwwn; +} + +static void +bfa_fcs_itnim_send_prli(void *itnim_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_itnim_s *itnim = itnim_cbarg; + struct bfa_fcs_rport_s *rport = itnim->rport; + struct bfa_fcs_port_s *port = rport->port; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(itnim->fcs, itnim->rport->pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + itnim->stats.fcxp_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &itnim->fcxp_wqe, + bfa_fcs_itnim_send_prli, itnim); + return; + } + itnim->fcxp = fcxp; + + len = fc_prli_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), itnim->rport->pid, + bfa_fcs_port_get_fcid(port), 0); + + bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, + bfa_fcs_itnim_prli_response, (void *)itnim, FC_MAX_PDUSZ, + FC_RA_TOV); + + itnim->stats.prli_sent++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_FRMSENT); +} + +static void +bfa_fcs_itnim_prli_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cbarg; + struct fc_els_cmd_s *els_cmd; + struct fc_prli_s *prli_resp; + struct fc_ls_rjt_s *ls_rjt; + struct fc_prli_params_s *sparams; + + bfa_trc(itnim->fcs, req_status); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + itnim->stats.prli_rsp_err++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + if (els_cmd->els_code == FC_ELS_ACC) { + prli_resp = (struct fc_prli_s *) els_cmd; + + if (fc_prli_rsp_parse(prli_resp, rsp_len) != FC_PARSE_OK) { + bfa_trc(itnim->fcs, rsp_len); + /* + * Check if this r-port is also in Initiator mode. + * If so, we need to set this ITN as a no-op. + */ + if (prli_resp->parampage.servparams.initiator) { + bfa_trc(itnim->fcs, prli_resp->parampage.type); + itnim->rport->scsi_function = + BFA_RPORT_INITIATOR; + itnim->stats.prli_rsp_acc++; + bfa_sm_send_event(itnim, + BFA_FCS_ITNIM_SM_INITIATOR); + return; + } + + itnim->stats.prli_rsp_parse_err++; + return; + } + itnim->rport->scsi_function = BFA_RPORT_TARGET; + + sparams = &prli_resp->parampage.servparams; + itnim->seq_rec = sparams->retry; + itnim->rec_support = sparams->rec_support; + itnim->task_retry_id = sparams->task_retry_id; + itnim->conf_comp = sparams->confirm; + + itnim->stats.prli_rsp_acc++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_OK); + } else { + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(itnim->fcs, ls_rjt->reason_code); + bfa_trc(itnim->fcs, ls_rjt->reason_code_expl); + + itnim->stats.prli_rsp_rjt++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_ERROR); + } +} + +static void +bfa_fcs_itnim_timeout(void *arg) +{ + struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)arg; + + itnim->stats.timeout++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_TIMEOUT); +} + +static void +bfa_fcs_itnim_free(struct bfa_fcs_itnim_s *itnim) +{ + bfa_itnim_delete(itnim->bfa_itnim); + bfa_fcb_itnim_free(itnim->fcs->bfad, itnim->itnim_drv); +} + + + +/** + * itnim_public FCS ITNIM public interfaces + */ + +/** + * Called by rport when a new rport is created. + * + * @param[in] rport - remote port. + */ +struct bfa_fcs_itnim_s * +bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport) +{ + struct bfa_fcs_port_s *port = rport->port; + struct bfa_fcs_itnim_s *itnim; + struct bfad_itnim_s *itnim_drv; + struct bfa_itnim_s *bfa_itnim; + + /* + * call bfad to allocate the itnim + */ + bfa_fcb_itnim_alloc(port->fcs->bfad, &itnim, &itnim_drv); + if (itnim == NULL) { + bfa_trc(port->fcs, rport->pwwn); + return NULL; + } + + /* + * Initialize itnim + */ + itnim->rport = rport; + itnim->fcs = rport->fcs; + itnim->itnim_drv = itnim_drv; + + /* + * call BFA to create the itnim + */ + bfa_itnim = bfa_itnim_create(port->fcs->bfa, rport->bfa_rport, itnim); + + if (bfa_itnim == NULL) { + bfa_trc(port->fcs, rport->pwwn); + bfa_fcb_itnim_free(port->fcs->bfad, itnim_drv); + bfa_assert(0); + return NULL; + } + + itnim->bfa_itnim = bfa_itnim; + itnim->seq_rec = BFA_FALSE; + itnim->rec_support = BFA_FALSE; + itnim->conf_comp = BFA_FALSE; + itnim->task_retry_id = BFA_FALSE; + + /* + * Set State machine + */ + bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); + + return itnim; +} + +/** + * Called by rport to delete the instance of FCPIM. + * + * @param[in] rport - remote port. + */ +void +bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim) +{ + bfa_trc(itnim->fcs, itnim->rport->pid); + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_DELETE); +} + +/** + * Notification from rport that PLOGI is complete to initiate FC-4 session. + */ +void +bfa_fcs_itnim_rport_online(struct bfa_fcs_itnim_s *itnim) +{ + itnim->stats.onlines++; + + if (!BFA_FCS_PID_IS_WKA(itnim->rport->pid)) { + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_ONLINE); + } else { + /* + * For well known addresses, we set the itnim to initiator + * state + */ + itnim->stats.initiator++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_INITIATOR); + } +} + +/** + * Called by rport to handle a remote device offline. + */ +void +bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim) +{ + itnim->stats.offlines++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_OFFLINE); +} + +/** + * Called by rport when remote port is known to be an initiator from + * PRLI received. + */ +void +bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim) +{ + bfa_trc(itnim->fcs, itnim->rport->pid); + itnim->stats.initiator++; + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_INITIATOR); +} + +/** + * Called by rport to check if the itnim is online. + */ +bfa_status_t +bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim) +{ + bfa_trc(itnim->fcs, itnim->rport->pid); + switch (bfa_sm_to_state(itnim_sm_table, itnim->sm)) { + case BFA_ITNIM_ONLINE: + case BFA_ITNIM_INITIATIOR: + return BFA_STATUS_OK; + + default: + return BFA_STATUS_NO_FCPIM_NEXUS; + + } +} + +/** + * BFA completion callback for bfa_itnim_online(). + */ +void +bfa_cb_itnim_online(void *cbarg) +{ + struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cbarg; + + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_HCB_ONLINE); +} + +/** + * BFA completion callback for bfa_itnim_offline(). + */ +void +bfa_cb_itnim_offline(void *cb_arg) +{ + struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; + + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_HCB_OFFLINE); +} + +/** + * Mark the beginning of PATH TOV handling. IO completion callbacks + * are still pending. + */ +void +bfa_cb_itnim_tov_begin(void *cb_arg) +{ + struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; + + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_fcb_itnim_tov_begin(itnim->itnim_drv); +} + +/** + * Mark the end of PATH TOV handling. All pending IOs are already cleaned up. + */ +void +bfa_cb_itnim_tov(void *cb_arg) +{ + struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; + + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_fcb_itnim_tov(itnim->itnim_drv); +} + +/** + * BFA notification to FCS/driver for second level error recovery. + * + * Atleast one I/O request has timedout and target is unresponsive to + * repeated abort requests. Second level error recovery should be initiated + * by starting implicit logout and recovery procedures. + */ +void +bfa_cb_itnim_sler(void *cb_arg) +{ + struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; + + itnim->stats.sler++; + bfa_trc(itnim->fcs, itnim->rport->pwwn); + bfa_fcs_rport_logo_imp(itnim->rport); +} + +struct bfa_fcs_itnim_s * +bfa_fcs_itnim_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn) +{ + struct bfa_fcs_rport_s *rport; + rport = bfa_fcs_rport_lookup(port, rpwwn); + + if (!rport) + return NULL; + + bfa_assert(rport->itnim != NULL); + return (rport->itnim); +} + +bfa_status_t +bfa_fcs_itnim_attr_get(struct bfa_fcs_port_s *port, wwn_t rpwwn, + struct bfa_itnim_attr_s *attr) +{ + struct bfa_fcs_itnim_s *itnim = NULL; + + itnim = bfa_fcs_itnim_lookup(port, rpwwn); + + if (itnim == NULL) + return BFA_STATUS_NO_FCPIM_NEXUS; + + attr->state = bfa_sm_to_state(itnim_sm_table, itnim->sm); + attr->retry = itnim->seq_rec; + attr->rec_support = itnim->rec_support; + attr->conf_comp = itnim->conf_comp; + attr->task_retry_id = itnim->task_retry_id; + + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_fcs_itnim_stats_get(struct bfa_fcs_port_s *port, wwn_t rpwwn, + struct bfa_itnim_stats_s *stats) +{ + struct bfa_fcs_itnim_s *itnim = NULL; + + bfa_assert(port != NULL); + + itnim = bfa_fcs_itnim_lookup(port, rpwwn); + + if (itnim == NULL) + return BFA_STATUS_NO_FCPIM_NEXUS; + + bfa_os_memcpy(stats, &itnim->stats, sizeof(struct bfa_itnim_stats_s)); + + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_fcs_itnim_stats_clear(struct bfa_fcs_port_s *port, wwn_t rpwwn) +{ + struct bfa_fcs_itnim_s *itnim = NULL; + + bfa_assert(port != NULL); + + itnim = bfa_fcs_itnim_lookup(port, rpwwn); + + if (itnim == NULL) + return BFA_STATUS_NO_FCPIM_NEXUS; + + bfa_os_memset(&itnim->stats, 0, sizeof(struct bfa_itnim_stats_s)); + return BFA_STATUS_OK; +} + +void +bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, struct fchs_s *fchs, + u16 len) +{ + struct fc_els_cmd_s *els_cmd; + + bfa_trc(itnim->fcs, fchs->type); + + if (fchs->type != FC_TYPE_ELS) + return; + + els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + bfa_trc(itnim->fcs, els_cmd->els_code); + + switch (els_cmd->els_code) { + case FC_ELS_PRLO: + /* bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_PRLO); */ + break; + + default: + bfa_assert(0); + } +} + +void +bfa_fcs_itnim_pause(struct bfa_fcs_itnim_s *itnim) +{ +} + +void +bfa_fcs_itnim_resume(struct bfa_fcs_itnim_s *itnim) +{ +} + +/** + * Module initialization + */ +void +bfa_fcs_fcpim_modinit(struct bfa_fcs_s *fcs) +{ +} + +/** + * Module cleanup + */ +void +bfa_fcs_fcpim_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} + + diff --git a/drivers/scsi/bfa/fcptm.c b/drivers/scsi/bfa/fcptm.c new file mode 100644 index 000000000000..8c8b08c72e7a --- /dev/null +++ b/drivers/scsi/bfa/fcptm.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * This file contains dummy FCPTM routines to aid in Initiator Mode only + * compilation of OS driver. + * + */ + +#include "bfa_os_inc.h" +#include "fcs_rport.h" +#include "fcs_fcptm.h" +#include "fcs/bfa_fcs_rport.h" + +struct bfa_fcs_tin_s * +bfa_fcs_tin_create(struct bfa_fcs_rport_s *rport) +{ + return NULL; +} + +void +bfa_fcs_tin_delete(struct bfa_fcs_tin_s *tin) +{ +} + +void +bfa_fcs_tin_rport_offline(struct bfa_fcs_tin_s *tin) +{ +} + +void +bfa_fcs_tin_rport_online(struct bfa_fcs_tin_s *tin) +{ +} + +void +bfa_fcs_tin_rx_prli(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs, u16 len) +{ +} + +void +bfa_fcs_fcptm_uf_recv(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs, u16 len) +{ +} + +void +bfa_fcs_tin_pause(struct bfa_fcs_tin_s *tin) +{ +} + +void +bfa_fcs_tin_resume(struct bfa_fcs_tin_s *tin) +{ +} diff --git a/drivers/scsi/bfa/fcs.h b/drivers/scsi/bfa/fcs.h new file mode 100644 index 000000000000..deee685e8478 --- /dev/null +++ b/drivers/scsi/bfa/fcs.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs.h FCS module functions + */ + + +#ifndef __FCS_H__ +#define __FCS_H__ + +#define __fcs_min_cfg(__fcs) (__fcs)->min_cfg + +void bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs); + +#endif /* __FCS_H__ */ diff --git a/drivers/scsi/bfa/fcs_auth.h b/drivers/scsi/bfa/fcs_auth.h new file mode 100644 index 000000000000..65d155fea3d7 --- /dev/null +++ b/drivers/scsi/bfa/fcs_auth.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_uf.h FCS unsolicited frame receive + */ + + +#ifndef __FCS_AUTH_H__ +#define __FCS_AUTH_H__ + +#include <fcs/bfa_fcs.h> +#include <fcs/bfa_fcs_vport.h> +#include <fcs/bfa_fcs_lport.h> + +/* + * fcs friend functions: only between fcs modules + */ +void bfa_fcs_auth_uf_recv(struct bfa_fcs_fabric_s *fabric, int len); +void bfa_fcs_auth_start(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_auth_stop(struct bfa_fcs_fabric_s *fabric); + +#endif /* __FCS_UF_H__ */ diff --git a/drivers/scsi/bfa/fcs_fabric.h b/drivers/scsi/bfa/fcs_fabric.h new file mode 100644 index 000000000000..eee960820f86 --- /dev/null +++ b/drivers/scsi/bfa/fcs_fabric.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_lport.h FCS logical port interfaces + */ + +#ifndef __FCS_FABRIC_H__ +#define __FCS_FABRIC_H__ + +#include <fcs/bfa_fcs.h> +#include <fcs/bfa_fcs_vport.h> +#include <fcs/bfa_fcs_lport.h> + +/* +* fcs friend functions: only between fcs modules + */ +void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs); +void bfa_fcs_fabric_modsusp(struct bfa_fcs_s *fcs); +void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport); +void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport); +int bfa_fcs_fabric_is_online(struct bfa_fcs_fabric_s *fabric); +struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup( + struct bfa_fcs_fabric_s *fabric, wwn_t pwwn); +void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); +void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len); +u16 bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric); +bfa_boolean_t bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric); +enum bfa_pport_type bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric); + +bfa_status_t bfa_fcs_fabric_addvf(struct bfa_fcs_fabric_s *vf, + struct bfa_fcs_s *fcs, struct bfa_port_cfg_s *port_cfg, + struct bfad_vf_s *vf_drv); +void bfa_fcs_auth_finished(struct bfa_fcs_fabric_s *fabric, + enum auth_status status); + +void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, + wwn_t fabric_name); +#endif /* __FCS_FABRIC_H__ */ diff --git a/drivers/scsi/bfa/fcs_fcpim.h b/drivers/scsi/bfa/fcs_fcpim.h new file mode 100644 index 000000000000..61e9e2687de3 --- /dev/null +++ b/drivers/scsi/bfa/fcs_fcpim.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __FCS_FCPIM_H__ +#define __FCS_FCPIM_H__ + +#include <defs/bfa_defs_port.h> +#include <fcs/bfa_fcs_lport.h> +#include <fcs/bfa_fcs_rport.h> + +/* + * Following routines are from FCPIM and will be called by rport. + */ +struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport); +void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_itnim_rport_online(struct bfa_fcs_itnim_s *itnim); +bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim); + +void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_itnim_pause(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_itnim_resume(struct bfa_fcs_itnim_s *itnim); + +/* + * Modudle init/cleanup routines. + */ +void bfa_fcs_fcpim_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_fcpim_modexit(struct bfa_fcs_s *fcs); +void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, struct fchs_s *fchs, + u16 len); +#endif /* __FCS_FCPIM_H__ */ diff --git a/drivers/scsi/bfa/fcs_fcptm.h b/drivers/scsi/bfa/fcs_fcptm.h new file mode 100644 index 000000000000..ffff0829fd31 --- /dev/null +++ b/drivers/scsi/bfa/fcs_fcptm.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __FCS_FCPTM_H__ +#define __FCS_FCPTM_H__ + +#include <defs/bfa_defs_port.h> +#include <fcs/bfa_fcs_lport.h> +#include <fcs/bfa_fcs_rport.h> + +/* + * Following routines are from FCPTM and will be called by rport. + */ +struct bfa_fcs_tin_s *bfa_fcs_tin_create(struct bfa_fcs_rport_s *rport); +void bfa_fcs_tin_rport_offline(struct bfa_fcs_tin_s *tin); +void bfa_fcs_tin_rport_online(struct bfa_fcs_tin_s *tin); +void bfa_fcs_tin_delete(struct bfa_fcs_tin_s *tin); +void bfa_fcs_tin_rx_prli(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs, + u16 len); +void bfa_fcs_tin_pause(struct bfa_fcs_tin_s *tin); +void bfa_fcs_tin_resume(struct bfa_fcs_tin_s *tin); + +/* + * Modudle init/cleanup routines. + */ +void bfa_fcs_fcptm_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_fcptm_modexit(struct bfa_fcs_s *fcs); +void bfa_fcs_fcptm_uf_recv(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs, + u16 len); + +#endif /* __FCS_FCPTM_H__ */ diff --git a/drivers/scsi/bfa/fcs_fcxp.h b/drivers/scsi/bfa/fcs_fcxp.h new file mode 100644 index 000000000000..8277fe9c2b70 --- /dev/null +++ b/drivers/scsi/bfa/fcs_fcxp.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_fcxp.h FCXP helper macros for FCS + */ + + +#ifndef __FCS_FCXP_H__ +#define __FCS_FCXP_H__ + +#define bfa_fcs_fcxp_alloc(__fcs) \ + bfa_fcxp_alloc(NULL, (__fcs)->bfa, 0, 0, NULL, NULL, NULL, NULL) + +#endif /* __FCS_FCXP_H__ */ diff --git a/drivers/scsi/bfa/fcs_lport.h b/drivers/scsi/bfa/fcs_lport.h new file mode 100644 index 000000000000..ae744ba35671 --- /dev/null +++ b/drivers/scsi/bfa/fcs_lport.h @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_lport.h FCS logical port interfaces + */ + +#ifndef __FCS_LPORT_H__ +#define __FCS_LPORT_H__ + +#define __VPORT_H__ +#include <defs/bfa_defs_port.h> +#include <bfa_svc.h> +#include <fcs/bfa_fcs_lport.h> +#include <fcs/bfa_fcs_rport.h> +#include <fcs/bfa_fcs_vport.h> +#include <fcs_fabric.h> +#include <fcs_ms.h> +#include <cs/bfa_q.h> +#include <fcbuild.h> + +/* + * PID used in P2P/N2N ( In Big Endian) + */ +#define N2N_LOCAL_PID 0x010000 +#define N2N_REMOTE_PID 0x020000 + +/* + * Misc Timeouts + */ +/* + * To be used when spawning a timer before retrying a failed command. Milli + * Secs. + */ +#define BFA_FCS_RETRY_TIMEOUT 2000 + +/* + * Check for Port/Vport Mode/Role + */ +#define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \ + (port->port_cfg.roles & BFA_PORT_ROLE_FCP_IM) + +#define BFA_FCS_VPORT_IS_TARGET_MODE(port) \ + (port->port_cfg.roles & BFA_PORT_ROLE_FCP_TM) + +#define BFA_FCS_VPORT_IS_IPFC_MODE(port) \ + (port->port_cfg.roles & BFA_PORT_ROLE_FCP_IPFC) + +/* + * Is this a Well Known Address + */ +#define BFA_FCS_PID_IS_WKA(pid) ((bfa_os_ntoh3b(pid) > 0xFFF000) ? 1 : 0) + +/* + * Pointer to elements within Port + */ +#define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa) +#define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns) +#define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn) +#define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms) +#define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi) + +/* + * handler for unsolicied frames + */ +void bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, + u16 len); + +/* + * Following routines will be called by Fabric to indicate port + * online/offline to vport. + */ +void bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_port_cfg_s *port_cfg, + struct bfa_fcs_vport_s *vport); +void bfa_fcs_port_online(struct bfa_fcs_port_s *port); +void bfa_fcs_port_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_port_delete(struct bfa_fcs_port_s *port); +bfa_boolean_t bfa_fcs_port_is_online(struct bfa_fcs_port_s *port); + +/* + * Lookup rport based on PID + */ +struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pid( + struct bfa_fcs_port_s *port, u32 pid); + +/* + * Lookup rport based on PWWN + */ +struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pwwn( + struct bfa_fcs_port_s *port, wwn_t pwwn); +struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_nwwn( + struct bfa_fcs_port_s *port, wwn_t nwwn); +void bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port, + struct bfa_fcs_rport_s *rport); +void bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port, + struct bfa_fcs_rport_s *rport); + +void bfa_fcs_port_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_port_modexit(struct bfa_fcs_s *fcs); +void bfa_fcs_port_lip(struct bfa_fcs_port_s *port); + +#endif /* __FCS_LPORT_H__ */ diff --git a/drivers/scsi/bfa/fcs_ms.h b/drivers/scsi/bfa/fcs_ms.h new file mode 100644 index 000000000000..b6a8c12876f4 --- /dev/null +++ b/drivers/scsi/bfa/fcs_ms.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_ms.h FCS ms interfaces + */ +#ifndef __FCS_MS_H__ +#define __FCS_MS_H__ + +/* MS FCS routines */ +void bfa_fcs_port_ms_init(struct bfa_fcs_port_s *port); +void bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_port_ms_online(struct bfa_fcs_port_s *port); +void bfa_fcs_port_ms_fabric_rscn(struct bfa_fcs_port_s *port); + +/* FDMI FCS routines */ +void bfa_fcs_port_fdmi_init(struct bfa_fcs_port_ms_s *ms); +void bfa_fcs_port_fdmi_offline(struct bfa_fcs_port_ms_s *ms); +void bfa_fcs_port_fdmi_online(struct bfa_fcs_port_ms_s *ms); + +#endif diff --git a/drivers/scsi/bfa/fcs_port.h b/drivers/scsi/bfa/fcs_port.h new file mode 100644 index 000000000000..abb65191dd27 --- /dev/null +++ b/drivers/scsi/bfa/fcs_port.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_pport.h FCS physical port interfaces + */ + + +#ifndef __FCS_PPORT_H__ +#define __FCS_PPORT_H__ + +/* + * fcs friend functions: only between fcs modules + */ +void bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs); + +#endif /* __FCS_PPORT_H__ */ diff --git a/drivers/scsi/bfa/fcs_rport.h b/drivers/scsi/bfa/fcs_rport.h new file mode 100644 index 000000000000..f601e9d74236 --- /dev/null +++ b/drivers/scsi/bfa/fcs_rport.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_rport.h FCS rport interfaces and defines + */ + +#ifndef __FCS_RPORT_H__ +#define __FCS_RPORT_H__ + +#include <fcs/bfa_fcs_rport.h> + +void bfa_fcs_rport_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_rport_modexit(struct bfa_fcs_s *fcs); + +void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, + u16 len); +void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport); + +struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_port_s *port, + u32 pid); +void bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + struct fc_logi_s *plogi_rsp); +void bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, + struct fc_logi_s *plogi); +void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, + struct fc_logi_s *plogi); +void bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport); +int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport); +struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port, + wwn_t wwn); + + +/* Rport Features */ +void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); + +#endif /* __FCS_RPORT_H__ */ diff --git a/drivers/scsi/bfa/fcs_trcmod.h b/drivers/scsi/bfa/fcs_trcmod.h new file mode 100644 index 000000000000..41b5ae8d7644 --- /dev/null +++ b/drivers/scsi/bfa/fcs_trcmod.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_trcmod.h BFA FCS trace modules + */ + +#ifndef __FCS_TRCMOD_H__ +#define __FCS_TRCMOD_H__ + +#include <cs/bfa_trc.h> + +/* + * !!! Only append to the enums defined here to avoid any versioning + * !!! needed between trace utility and driver version + */ +enum { + BFA_TRC_FCS_FABRIC = 1, + BFA_TRC_FCS_VFAPI = 2, + BFA_TRC_FCS_PORT = 3, + BFA_TRC_FCS_VPORT = 4, + BFA_TRC_FCS_VP_API = 5, + BFA_TRC_FCS_VPS = 6, + BFA_TRC_FCS_RPORT = 7, + BFA_TRC_FCS_FCPIM = 8, + BFA_TRC_FCS_FCPTM = 9, + BFA_TRC_FCS_NS = 10, + BFA_TRC_FCS_SCN = 11, + BFA_TRC_FCS_LOOP = 12, + BFA_TRC_FCS_UF = 13, + BFA_TRC_FCS_PPORT = 14, + BFA_TRC_FCS_FCPIP = 15, + BFA_TRC_FCS_PORT_API = 16, + BFA_TRC_FCS_RPORT_API = 17, + BFA_TRC_FCS_AUTH = 18, + BFA_TRC_FCS_N2N = 19, + BFA_TRC_FCS_MS = 20, + BFA_TRC_FCS_FDMI = 21, + BFA_TRC_FCS_RPORT_FTRS = 22, +}; + +#endif /* __FCS_TRCMOD_H__ */ diff --git a/drivers/scsi/bfa/fcs_uf.h b/drivers/scsi/bfa/fcs_uf.h new file mode 100644 index 000000000000..96f1bdcb31ed --- /dev/null +++ b/drivers/scsi/bfa/fcs_uf.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fcs_uf.h FCS unsolicited frame receive + */ + + +#ifndef __FCS_UF_H__ +#define __FCS_UF_H__ + +/* + * fcs friend functions: only between fcs modules + */ +void bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs); + +#endif /* __FCS_UF_H__ */ diff --git a/drivers/scsi/bfa/fcs_vport.h b/drivers/scsi/bfa/fcs_vport.h new file mode 100644 index 000000000000..9e80b6a97b7f --- /dev/null +++ b/drivers/scsi/bfa/fcs_vport.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __FCS_VPORT_H__ +#define __FCS_VPORT_H__ + +#include <fcs/bfa_fcs_lport.h> +#include <fcs/bfa_fcs_vport.h> +#include <defs/bfa_defs_pci.h> + +/* + * Modudle init/cleanup routines. + */ + +void bfa_fcs_vport_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_vport_modexit(struct bfa_fcs_s *fcs); + +void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport); +u32 bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs); + +#endif /* __FCS_VPORT_H__ */ + diff --git a/drivers/scsi/bfa/fdmi.c b/drivers/scsi/bfa/fdmi.c new file mode 100644 index 000000000000..b845eb272c78 --- /dev/null +++ b/drivers/scsi/bfa/fdmi.c @@ -0,0 +1,1223 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * port_api.c BFA FCS port + */ + + +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "lport_priv.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include <fcs/bfa_fcs_fdmi.h> + +BFA_TRC_FILE(FCS, FDMI); + +#define BFA_FCS_FDMI_CMD_MAX_RETRIES 2 + +/* + * forward declarations + */ +static void bfa_fcs_port_fdmi_send_rhba(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_fdmi_send_rprt(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_fdmi_send_rpa(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_fdmi_rhba_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_fdmi_rprt_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_fdmi_rpa_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_fdmi_timeout(void *arg); +static u16 bfa_fcs_port_fdmi_build_rhba_pyld( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +static u16 bfa_fcs_port_fdmi_build_rprt_pyld( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +static u16 bfa_fcs_port_fdmi_build_rpa_pyld( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +static u16 bfa_fcs_port_fdmi_build_portattr_block( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_hba_attr_s *hba_attr); +void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_port_attr_s *port_attr); +/** + * fcs_fdmi_sm FCS FDMI state machine + */ + +/** + * FDMI State Machine events + */ +enum port_fdmi_event { + FDMISM_EVENT_PORT_ONLINE = 1, + FDMISM_EVENT_PORT_OFFLINE = 2, + FDMISM_EVENT_RSP_OK = 4, + FDMISM_EVENT_RSP_ERROR = 5, + FDMISM_EVENT_TIMEOUT = 6, + FDMISM_EVENT_RHBA_SENT = 7, + FDMISM_EVENT_RPRT_SENT = 8, + FDMISM_EVENT_RPA_SENT = 9, +}; + +static void bfa_fcs_port_fdmi_sm_offline(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_sending_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rhba_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_sending_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rprt_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_sending_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +/** + * Start in offline state - awaiting MS to send start. + */ +static void +bfa_fcs_port_fdmi_sm_offline(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + fdmi->retry_cnt = 0; + + switch (event) { + case FDMISM_EVENT_PORT_ONLINE: + if (port->vport) { + /* + * For Vports, register a new port. + */ + bfa_sm_set_state(fdmi, + bfa_fcs_port_fdmi_sm_sending_rprt); + bfa_fcs_port_fdmi_send_rprt(fdmi, NULL); + } else { + /* + * For a base port, we should first register the HBA + * atribute. The HBA attribute also contains the base + * port registration. + */ + bfa_sm_set_state(fdmi, + bfa_fcs_port_fdmi_sm_sending_rhba); + bfa_fcs_port_fdmi_send_rhba(fdmi, NULL); + } + break; + + case FDMISM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_sending_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RHBA_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rhba); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rhba_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, bfa_fcs_port_fdmi_timeout, + fdmi, BFA_FCS_RETRY_TIMEOUT); + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + } + break; + + case FDMISM_EVENT_RSP_OK: + /* + * Initiate Register Port Attributes + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa); + fdmi->retry_cnt = 0; + bfa_fcs_port_fdmi_send_rpa(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rhba_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rhba); + bfa_fcs_port_fdmi_send_rhba(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_assert(0); + } +} + +/* +* RPRT : Register Port + */ +static void +bfa_fcs_port_fdmi_sm_sending_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RPRT_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rprt); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rprt_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, bfa_fcs_port_fdmi_timeout, + fdmi, BFA_FCS_RETRY_TIMEOUT); + + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + fdmi->retry_cnt = 0; + } + break; + + case FDMISM_EVENT_RSP_OK: + fdmi->retry_cnt = 0; + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_online); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rprt_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rprt); + bfa_fcs_port_fdmi_send_rprt(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_assert(0); + } +} + +/* + * Register Port Attributes + */ +static void +bfa_fcs_port_fdmi_sm_sending_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RPA_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rpa); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rpa_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, bfa_fcs_port_fdmi_timeout, + fdmi, BFA_FCS_RETRY_TIMEOUT); + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + fdmi->retry_cnt = 0; + } + break; + + case FDMISM_EVENT_RSP_OK: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_online); + fdmi->retry_cnt = 0; + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa); + bfa_fcs_port_fdmi_send_rpa(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + + +/** +* RHBA : Register HBA Attributes. + */ +static void +bfa_fcs_port_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fchs_s fchs; + int len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_port_fdmi_send_rhba, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port), + FDMI_RHBA); + + attr_len = bfa_fcs_port_fdmi_build_rhba_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, (len + attr_len), &fchs, + bfa_fcs_port_fdmi_rhba_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT); +} + +static u16 +bfa_fcs_port_fdmi_build_rhba_pyld(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct bfa_fcs_fdmi_hba_attr_s hba_attr; /* @todo */ + struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr; /* @todo */ + struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld; + struct fdmi_attr_s *attr; + u8 *curr_ptr; + u16 len, count; + + /* + * get hba attributes + */ + bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr); + + rhba->hba_id = bfa_fcs_port_get_pwwn(port); + rhba->port_list.num_ports = bfa_os_htonl(1); + rhba->port_list.port_entry = bfa_fcs_port_get_pwwn(port); + + len = sizeof(rhba->hba_id) + sizeof(rhba->port_list); + + count = 0; + len += sizeof(rhba->hba_attr_blk.attr_count); + + /* + * fill out the invididual entries of the HBA attrib Block + */ + curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr; + + /* + * Node Name + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_NODENAME); + attr->len = sizeof(wwn_t); + memcpy(attr->value, &bfa_fcs_port_get_nwwn(port), attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Manufacturer + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MANUFACTURER); + attr->len = (u16) strlen(fcs_hba_attr->manufacturer); + memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Serial Number + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_SERIALNUM); + attr->len = (u16) strlen(fcs_hba_attr->serial_num); + memcpy(attr->value, fcs_hba_attr->serial_num, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Model + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL); + attr->len = (u16) strlen(fcs_hba_attr->model); + memcpy(attr->value, fcs_hba_attr->model, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Model Desc + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL_DESC); + attr->len = (u16) strlen(fcs_hba_attr->model_desc); + memcpy(attr->value, fcs_hba_attr->model_desc, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * H/W Version + */ + if (fcs_hba_attr->hw_version[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_HW_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->hw_version); + memcpy(attr->value, fcs_hba_attr->hw_version, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * Driver Version + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_DRIVER_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->driver_version); + memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len;; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Option Rom Version + */ + if (fcs_hba_attr->option_rom_ver[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_ROM_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver); + memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * f/w Version = driver version + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_FW_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->driver_version); + memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * OS Name + */ + if (fcs_hba_attr->os_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_OS_NAME); + attr->len = (u16) strlen(fcs_hba_attr->os_name); + memcpy(attr->value, fcs_hba_attr->os_name, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * MAX_CT_PAYLOAD + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MAX_CT); + attr->len = sizeof(fcs_hba_attr->max_ct_pyld); + memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len); + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Update size of payload + */ + len += ((sizeof(attr->type) + sizeof(attr->len)) * count); + + rhba->hba_attr_blk.attr_count = bfa_os_htonl(count); + return len; +} + +static void +bfa_fcs_port_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +/** +* RPRT : Register Port + */ +static void +bfa_fcs_port_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fchs_s fchs; + u16 len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_port_fdmi_send_rprt, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port), + FDMI_RPRT); + + attr_len = bfa_fcs_port_fdmi_build_rprt_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len + attr_len, &fchs, + bfa_fcs_port_fdmi_rprt_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT); +} + +/** + * This routine builds Port Attribute Block that used in RPA, RPRT commands. + */ +static u16 +bfa_fcs_port_fdmi_build_portattr_block(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_fdmi_port_attr_s fcs_port_attr; + struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld; + struct fdmi_attr_s *attr; + u8 *curr_ptr; + u16 len; + u8 count = 0; + + /* + * get port attributes + */ + bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr); + + len = sizeof(port_attrib->attr_count); + + /* + * fill out the invididual entries + */ + curr_ptr = (u8 *) &port_attrib->port_attr; + + /* + * FC4 Types + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FC4_TYPES); + attr->len = sizeof(fcs_port_attr.supp_fc4_types); + memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Supported Speed + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_SUPP_SPEED); + attr->len = sizeof(fcs_port_attr.supp_speed); + memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * current Port Speed + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_PORT_SPEED); + attr->len = sizeof(fcs_port_attr.curr_speed); + memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * max frame size + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FRAME_SIZE); + attr->len = sizeof(fcs_port_attr.max_frm_size); + memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * OS Device Name + */ + if (fcs_port_attr.os_device_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_DEV_NAME); + attr->len = (u16) strlen(fcs_port_attr.os_device_name); + memcpy(attr->value, fcs_port_attr.os_device_name, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + } + /* + * Host Name + */ + if (fcs_port_attr.host_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_HOST_NAME); + attr->len = (u16) strlen(fcs_port_attr.host_name); + memcpy(attr->value, fcs_port_attr.host_name, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + } + + /* + * Update size of payload + */ + port_attrib->attr_count = bfa_os_htonl(count); + len += ((sizeof(attr->type) + sizeof(attr->len)) * count); + return len; +} + +static u16 +bfa_fcs_port_fdmi_build_rprt_pyld(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld; + u16 len; + + rprt->hba_id = bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs)); + rprt->port_name = bfa_fcs_port_get_pwwn(port); + + len = bfa_fcs_port_fdmi_build_portattr_block(fdmi, + (u8 *) &rprt->port_attr_blk); + + len += sizeof(rprt->hba_id) + sizeof(rprt->port_name); + + return len; +} + +static void +bfa_fcs_port_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +/** +* RPA : Register Port Attributes. + */ +static void +bfa_fcs_port_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fchs_s fchs; + u16 len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_port_fdmi_send_rpa, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port), + FDMI_RPA); + + attr_len = bfa_fcs_port_fdmi_build_rpa_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len + attr_len, &fchs, + bfa_fcs_port_fdmi_rpa_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT); +} + +static u16 +bfa_fcs_port_fdmi_build_rpa_pyld(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld; + u16 len; + + rpa->port_name = bfa_fcs_port_get_pwwn(port); + + len = bfa_fcs_port_fdmi_build_portattr_block(fdmi, + (u8 *) &rpa->port_attr_blk); + + len += sizeof(rpa->port_name); + + return len; +} + +static void +bfa_fcs_port_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +static void +bfa_fcs_port_fdmi_timeout(void *arg) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)arg; + + bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT); +} + +void +bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_hba_attr_s *hba_attr) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; + struct bfa_adapter_attr_s adapter_attr; + + bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s)); + bfa_os_memset(&adapter_attr, 0, sizeof(struct bfa_adapter_attr_s)); + + bfa_ioc_get_adapter_attr(&port->fcs->bfa->ioc, &adapter_attr); + + strncpy(hba_attr->manufacturer, adapter_attr.manufacturer, + sizeof(adapter_attr.manufacturer)); + + strncpy(hba_attr->serial_num, adapter_attr.serial_num, + sizeof(adapter_attr.serial_num)); + + strncpy(hba_attr->model, adapter_attr.model, sizeof(hba_attr->model)); + + strncpy(hba_attr->model_desc, adapter_attr.model_descr, + sizeof(hba_attr->model_desc)); + + strncpy(hba_attr->hw_version, adapter_attr.hw_ver, + sizeof(hba_attr->hw_version)); + + strncpy(hba_attr->driver_version, (char *)driver_info->version, + sizeof(hba_attr->driver_version)); + + strncpy(hba_attr->option_rom_ver, adapter_attr.optrom_ver, + sizeof(hba_attr->option_rom_ver)); + + strncpy(hba_attr->fw_version, adapter_attr.fw_ver, + sizeof(hba_attr->fw_version)); + + strncpy(hba_attr->os_name, driver_info->host_os_name, + sizeof(hba_attr->os_name)); + + /* + * If there is a patch level, append it to the os name along with a + * separator + */ + if (driver_info->host_os_patch[0] != '\0') { + strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + strncat(hba_attr->os_name, driver_info->host_os_patch, + sizeof(driver_info->host_os_patch)); + } + + hba_attr->max_ct_pyld = bfa_os_htonl(FC_MAX_PDUSZ); + +} + +void +bfa_fcs_fdmi_get_portattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_port_attr_s *port_attr) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; + struct bfa_pport_attr_s pport_attr; + + bfa_os_memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s)); + + /* + * get pport attributes from hal + */ + bfa_pport_get_attr(port->fcs->bfa, &pport_attr); + + /* + * get FC4 type Bitmask + */ + fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types); + + /* + * Supported Speeds + */ + port_attr->supp_speed = bfa_os_htonl(BFA_FCS_FDMI_SUPORTED_SPEEDS); + + /* + * Current Speed + */ + port_attr->curr_speed = bfa_os_htonl(pport_attr.speed); + + /* + * Max PDU Size. + */ + port_attr->max_frm_size = bfa_os_htonl(FC_MAX_PDUSZ); + + /* + * OS device Name + */ + strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name, + sizeof(port_attr->os_device_name)); + + /* + * Host name + */ + strncpy(port_attr->host_name, (char *)driver_info->host_machine_name, + sizeof(port_attr->host_name)); + +} + + +void +bfa_fcs_port_fdmi_init(struct bfa_fcs_port_ms_s *ms) +{ + struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); +} + +void +bfa_fcs_port_fdmi_offline(struct bfa_fcs_port_ms_s *ms) +{ + struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_port_fdmi_online(struct bfa_fcs_port_ms_s *ms) +{ + struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE); +} diff --git a/drivers/scsi/bfa/include/aen/bfa_aen.h b/drivers/scsi/bfa/include/aen/bfa_aen.h new file mode 100644 index 000000000000..da8cac093d3d --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_AEN_H__ +#define __BFA_AEN_H__ + +#include "defs/bfa_defs_aen.h" + +#define BFA_AEN_MAX_ENTRY 512 + +extern s32 bfa_aen_max_cfg_entry; +struct bfa_aen_s { + void *bfad; + s32 max_entry; + s32 write_index; + s32 read_index; + u32 bfad_num; + u32 seq_num; + void (*aen_cb_notify)(void *bfad); + void (*gettimeofday)(struct bfa_timeval_s *tv); + struct bfa_trc_mod_s *trcmod; + struct bfa_aen_entry_s list[BFA_AEN_MAX_ENTRY]; /* Must be the last */ +}; + + +/** + * Public APIs + */ +static inline void +bfa_aen_set_max_cfg_entry(int max_entry) +{ + bfa_aen_max_cfg_entry = max_entry; +} + +static inline s32 +bfa_aen_get_max_cfg_entry(void) +{ + return bfa_aen_max_cfg_entry; +} + +static inline s32 +bfa_aen_get_meminfo(void) +{ + return (sizeof(struct bfa_aen_entry_s) * bfa_aen_get_max_cfg_entry()); +} + +static inline s32 +bfa_aen_get_wi(struct bfa_aen_s *aen) +{ + return aen->write_index; +} + +static inline s32 +bfa_aen_get_ri(struct bfa_aen_s *aen) +{ + return aen->read_index; +} + +static inline s32 +bfa_aen_fetch_count(struct bfa_aen_s *aen, s32 read_index) +{ + return ((aen->write_index + aen->max_entry) - read_index) + % aen->max_entry; +} + +s32 bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod, + void *bfad, u32 inst_id, void (*aen_cb_notify)(void *), + void (*gettimeofday)(struct bfa_timeval_s *)); + +s32 bfa_aen_post(struct bfa_aen_s *aen, enum bfa_aen_category aen_category, + int aen_type, union bfa_aen_data_u *aen_data); + +s32 bfa_aen_fetch(struct bfa_aen_s *aen, struct bfa_aen_entry_s *aen_entry, + s32 entry_space, s32 rii, s32 *ri_arr, + s32 ri_arr_cnt); + +s32 bfa_aen_get_inst(struct bfa_aen_s *aen); + +#endif /* __BFA_AEN_H__ */ diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_adapter.h b/drivers/scsi/bfa/include/aen/bfa_aen_adapter.h new file mode 100644 index 000000000000..260d3ea1cab3 --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_adapter.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_ADAPTER Module */ +#ifndef __bfa_aen_adapter_h__ +#define __bfa_aen_adapter_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_ADAPTER_ADD \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ADAPTER, BFA_ADAPTER_AEN_ADD) +#define BFA_AEN_ADAPTER_REMOVE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ADAPTER, BFA_ADAPTER_AEN_REMOVE) + +#endif + diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_audit.h b/drivers/scsi/bfa/include/aen/bfa_aen_audit.h new file mode 100644 index 000000000000..12cd7aab5d53 --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_audit.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_AUDIT Module */ +#ifndef __bfa_aen_audit_h__ +#define __bfa_aen_audit_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_AUDIT_AUTH_ENABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_AUDIT, BFA_AUDIT_AEN_AUTH_ENABLE) +#define BFA_AEN_AUDIT_AUTH_DISABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_AUDIT, BFA_AUDIT_AEN_AUTH_DISABLE) + +#endif + diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_ethport.h b/drivers/scsi/bfa/include/aen/bfa_aen_ethport.h new file mode 100644 index 000000000000..507d0b58d149 --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_ethport.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_ETHPORT Module */ +#ifndef __bfa_aen_ethport_h__ +#define __bfa_aen_ethport_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_ETHPORT_LINKUP \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ETHPORT, BFA_ETHPORT_AEN_LINKUP) +#define BFA_AEN_ETHPORT_LINKDOWN \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ETHPORT, BFA_ETHPORT_AEN_LINKDOWN) +#define BFA_AEN_ETHPORT_ENABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ETHPORT, BFA_ETHPORT_AEN_ENABLE) +#define BFA_AEN_ETHPORT_DISABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ETHPORT, BFA_ETHPORT_AEN_DISABLE) + +#endif + diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_ioc.h b/drivers/scsi/bfa/include/aen/bfa_aen_ioc.h new file mode 100644 index 000000000000..71378b446b69 --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_ioc.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_IOC Module */ +#ifndef __bfa_aen_ioc_h__ +#define __bfa_aen_ioc_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_IOC_HBGOOD \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_IOC, BFA_IOC_AEN_HBGOOD) +#define BFA_AEN_IOC_HBFAIL \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_IOC, BFA_IOC_AEN_HBFAIL) +#define BFA_AEN_IOC_ENABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_IOC, BFA_IOC_AEN_ENABLE) +#define BFA_AEN_IOC_DISABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_IOC, BFA_IOC_AEN_DISABLE) +#define BFA_AEN_IOC_FWMISMATCH \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_IOC, BFA_IOC_AEN_FWMISMATCH) + +#endif + diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_itnim.h b/drivers/scsi/bfa/include/aen/bfa_aen_itnim.h new file mode 100644 index 000000000000..a7d8ddcfef99 --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_itnim.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_ITNIM Module */ +#ifndef __bfa_aen_itnim_h__ +#define __bfa_aen_itnim_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_ITNIM_ONLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ITNIM, BFA_ITNIM_AEN_ONLINE) +#define BFA_AEN_ITNIM_OFFLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ITNIM, BFA_ITNIM_AEN_OFFLINE) +#define BFA_AEN_ITNIM_DISCONNECT \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_ITNIM, BFA_ITNIM_AEN_DISCONNECT) + +#endif + diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_lport.h b/drivers/scsi/bfa/include/aen/bfa_aen_lport.h new file mode 100644 index 000000000000..5a8ebb65193f --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_lport.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_LPORT Module */ +#ifndef __bfa_aen_lport_h__ +#define __bfa_aen_lport_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_LPORT_NEW \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_NEW) +#define BFA_AEN_LPORT_DELETE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_DELETE) +#define BFA_AEN_LPORT_ONLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_ONLINE) +#define BFA_AEN_LPORT_OFFLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_OFFLINE) +#define BFA_AEN_LPORT_DISCONNECT \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_DISCONNECT) +#define BFA_AEN_LPORT_NEW_PROP \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_NEW_PROP) +#define BFA_AEN_LPORT_DELETE_PROP \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_DELETE_PROP) +#define BFA_AEN_LPORT_NEW_STANDARD \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_NEW_STANDARD) +#define BFA_AEN_LPORT_DELETE_STANDARD \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_DELETE_STANDARD) +#define BFA_AEN_LPORT_NPIV_DUP_WWN \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_NPIV_DUP_WWN) +#define BFA_AEN_LPORT_NPIV_FABRIC_MAX \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_NPIV_FABRIC_MAX) +#define BFA_AEN_LPORT_NPIV_UNKNOWN \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, BFA_LPORT_AEN_NPIV_UNKNOWN) + +#endif + diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_port.h b/drivers/scsi/bfa/include/aen/bfa_aen_port.h new file mode 100644 index 000000000000..9add905a622d --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_port.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_PORT Module */ +#ifndef __bfa_aen_port_h__ +#define __bfa_aen_port_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_PORT_ONLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_ONLINE) +#define BFA_AEN_PORT_OFFLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_OFFLINE) +#define BFA_AEN_PORT_RLIR \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_RLIR) +#define BFA_AEN_PORT_SFP_INSERT \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_SFP_INSERT) +#define BFA_AEN_PORT_SFP_REMOVE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_SFP_REMOVE) +#define BFA_AEN_PORT_SFP_POM \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_SFP_POM) +#define BFA_AEN_PORT_ENABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_ENABLE) +#define BFA_AEN_PORT_DISABLE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_DISABLE) +#define BFA_AEN_PORT_AUTH_ON \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_AUTH_ON) +#define BFA_AEN_PORT_AUTH_OFF \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_AUTH_OFF) +#define BFA_AEN_PORT_DISCONNECT \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_DISCONNECT) +#define BFA_AEN_PORT_QOS_NEG \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_QOS_NEG) +#define BFA_AEN_PORT_FABRIC_NAME_CHANGE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_FABRIC_NAME_CHANGE) +#define BFA_AEN_PORT_SFP_ACCESS_ERROR \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_SFP_ACCESS_ERROR) +#define BFA_AEN_PORT_SFP_UNSUPPORT \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, BFA_PORT_AEN_SFP_UNSUPPORT) + +#endif + diff --git a/drivers/scsi/bfa/include/aen/bfa_aen_rport.h b/drivers/scsi/bfa/include/aen/bfa_aen_rport.h new file mode 100644 index 000000000000..7e4be1fd5e15 --- /dev/null +++ b/drivers/scsi/bfa/include/aen/bfa_aen_rport.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for BFA_AEN_CAT_RPORT Module */ +#ifndef __bfa_aen_rport_h__ +#define __bfa_aen_rport_h__ + +#include <cs/bfa_log.h> +#include <defs/bfa_defs_aen.h> + +#define BFA_AEN_RPORT_ONLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, BFA_RPORT_AEN_ONLINE) +#define BFA_AEN_RPORT_OFFLINE \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, BFA_RPORT_AEN_OFFLINE) +#define BFA_AEN_RPORT_DISCONNECT \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, BFA_RPORT_AEN_DISCONNECT) +#define BFA_AEN_RPORT_QOS_PRIO \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, BFA_RPORT_AEN_QOS_PRIO) +#define BFA_AEN_RPORT_QOS_FLOWID \ + BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, BFA_RPORT_AEN_QOS_FLOWID) + +#endif + diff --git a/drivers/scsi/bfa/include/bfa.h b/drivers/scsi/bfa/include/bfa.h new file mode 100644 index 000000000000..64c1412c5703 --- /dev/null +++ b/drivers/scsi/bfa/include/bfa.h @@ -0,0 +1,177 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_H__ +#define __BFA_H__ + +#include <bfa_os_inc.h> +#include <cs/bfa_debug.h> +#include <cs/bfa_q.h> +#include <cs/bfa_trc.h> +#include <cs/bfa_log.h> +#include <cs/bfa_plog.h> +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_ioc.h> +#include <defs/bfa_defs_iocfc.h> +#include <aen/bfa_aen.h> +#include <bfi/bfi.h> + +struct bfa_s; +#include <bfa_intr_priv.h> + +struct bfa_pcidev_s; + +/** + * PCI devices supported by the current BFA + */ +struct bfa_pciid_s { + u16 device_id; + u16 vendor_id; +}; + +extern char bfa_version[]; + +/** + * BFA Power Mgmt Commands + */ +enum bfa_pm_cmd { + BFA_PM_CTL_D0 = 0, + BFA_PM_CTL_D1 = 1, + BFA_PM_CTL_D2 = 2, + BFA_PM_CTL_D3 = 3, +}; + +/** + * BFA memory resources + */ +enum bfa_mem_type { + BFA_MEM_TYPE_KVA = 1, /*! Kernel Virtual Memory *(non-dma-able) */ + BFA_MEM_TYPE_DMA = 2, /*! DMA-able memory */ + BFA_MEM_TYPE_MAX = BFA_MEM_TYPE_DMA, +}; + +struct bfa_mem_elem_s { + enum bfa_mem_type mem_type; /* see enum bfa_mem_type */ + u32 mem_len; /* Total Length in Bytes */ + u8 *kva; /* kernel virtual address */ + u64 dma; /* dma address if DMA memory */ + u8 *kva_curp; /* kva allocation cursor */ + u64 dma_curp; /* dma allocation cursor */ +}; + +struct bfa_meminfo_s { + struct bfa_mem_elem_s meminfo[BFA_MEM_TYPE_MAX]; +}; +#define bfa_meminfo_kva(_m) \ + (_m)->meminfo[BFA_MEM_TYPE_KVA - 1].kva_curp +#define bfa_meminfo_dma_virt(_m) \ + (_m)->meminfo[BFA_MEM_TYPE_DMA - 1].kva_curp +#define bfa_meminfo_dma_phys(_m) \ + (_m)->meminfo[BFA_MEM_TYPE_DMA - 1].dma_curp + +/** + * Generic Scatter Gather Element used by driver + */ +struct bfa_sge_s { + u32 sg_len; + void *sg_addr; +}; + +#define bfa_sge_to_be(__sge) do { \ + ((u32 *)(__sge))[0] = bfa_os_htonl(((u32 *)(__sge))[0]); \ + ((u32 *)(__sge))[1] = bfa_os_htonl(((u32 *)(__sge))[1]); \ + ((u32 *)(__sge))[2] = bfa_os_htonl(((u32 *)(__sge))[2]); \ +} while (0) + + +/* + * bfa stats interfaces + */ +#define bfa_stats(_mod, _stats) (_mod)->stats._stats ++ + +#define bfa_ioc_get_stats(__bfa, __ioc_stats) \ + bfa_ioc_fetch_stats(&(__bfa)->ioc, __ioc_stats) +#define bfa_ioc_clear_stats(__bfa) \ + bfa_ioc_clr_stats(&(__bfa)->ioc) + +/* + * bfa API functions + */ +void bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids); +void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg); +void bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg); +void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo); +void bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, + struct bfa_pcidev_s *pcidev); +void bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod); +void bfa_init_log(struct bfa_s *bfa, struct bfa_log_mod_s *logmod); +void bfa_init_aen(struct bfa_s *bfa, struct bfa_aen_s *aen); +void bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog); +void bfa_detach(struct bfa_s *bfa); +void bfa_init(struct bfa_s *bfa); +void bfa_start(struct bfa_s *bfa); +void bfa_stop(struct bfa_s *bfa); +void bfa_attach_fcs(struct bfa_s *bfa); +void bfa_cb_init(void *bfad, bfa_status_t status); +void bfa_cb_stop(void *bfad, bfa_status_t status); +void bfa_cb_updateq(void *bfad, bfa_status_t status); + +bfa_boolean_t bfa_intx(struct bfa_s *bfa); +void bfa_isr_enable(struct bfa_s *bfa); +void bfa_isr_disable(struct bfa_s *bfa); +void bfa_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap, + u32 *num_vecs, u32 *max_vec_bit); +#define bfa_msix(__bfa, __vec) (__bfa)->msix.handler[__vec](__bfa, __vec) + +void bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q); +void bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q); +void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q); + +typedef void (*bfa_cb_ioc_t) (void *cbarg, enum bfa_status status); +void bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr); +bfa_status_t bfa_iocfc_get_stats(struct bfa_s *bfa, + struct bfa_iocfc_stats_s *stats, + bfa_cb_ioc_t cbfn, void *cbarg); +bfa_status_t bfa_iocfc_clear_stats(struct bfa_s *bfa, + bfa_cb_ioc_t cbfn, void *cbarg); +void bfa_get_attr(struct bfa_s *bfa, struct bfa_ioc_attr_s *ioc_attr); + +void bfa_adapter_get_attr(struct bfa_s *bfa, + struct bfa_adapter_attr_s *ad_attr); +u64 bfa_adapter_get_id(struct bfa_s *bfa); + +bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa, + struct bfa_iocfc_intr_attr_s *attr); + +void bfa_iocfc_enable(struct bfa_s *bfa); +void bfa_iocfc_disable(struct bfa_s *bfa); +void bfa_ioc_auto_recover(bfa_boolean_t auto_recover); +void bfa_cb_ioc_disable(void *bfad); +void bfa_timer_tick(struct bfa_s *bfa); +#define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout) \ + bfa_timer_begin(&(_bfa)->timer_mod, _timer, _timercb, _arg, _timeout) + +/* + * BFA debug API functions + */ +bfa_status_t bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen); +bfa_status_t bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen); + +#include "bfa_priv.h" + +#endif /* __BFA_H__ */ diff --git a/drivers/scsi/bfa/include/bfa_fcpim.h b/drivers/scsi/bfa/include/bfa_fcpim.h new file mode 100644 index 000000000000..04789795fa53 --- /dev/null +++ b/drivers/scsi/bfa/include/bfa_fcpim.h @@ -0,0 +1,159 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCPIM_H__ +#define __BFA_FCPIM_H__ + +#include <bfa.h> +#include <bfa_svc.h> +#include <bfi/bfi_fcpim.h> +#include <defs/bfa_defs_fcpim.h> + +/* + * forward declarations + */ +struct bfa_itnim_s; +struct bfa_ioim_s; +struct bfa_tskim_s; +struct bfad_ioim_s; +struct bfad_tskim_s; + +/* + * bfa fcpim module API functions + */ +void bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov); +u16 bfa_fcpim_path_tov_get(struct bfa_s *bfa); +void bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth); +u16 bfa_fcpim_qdepth_get(struct bfa_s *bfa); +bfa_status_t bfa_fcpim_get_modstats(struct bfa_s *bfa, + struct bfa_fcpim_stats_s *modstats); +bfa_status_t bfa_fcpim_clr_modstats(struct bfa_s *bfa); + +/* + * bfa itnim API functions + */ +struct bfa_itnim_s *bfa_itnim_create(struct bfa_s *bfa, + struct bfa_rport_s *rport, void *itnim); +void bfa_itnim_delete(struct bfa_itnim_s *itnim); +void bfa_itnim_online(struct bfa_itnim_s *itnim, + bfa_boolean_t seq_rec); +void bfa_itnim_offline(struct bfa_itnim_s *itnim); +void bfa_itnim_get_stats(struct bfa_itnim_s *itnim, + struct bfa_itnim_hal_stats_s *stats); +void bfa_itnim_clear_stats(struct bfa_itnim_s *itnim); + + +/** + * BFA completion callback for bfa_itnim_online(). + * + * @param[in] itnim FCS or driver itnim instance + * + * return None + */ +void bfa_cb_itnim_online(void *itnim); + +/** + * BFA completion callback for bfa_itnim_offline(). + * + * @param[in] itnim FCS or driver itnim instance + * + * return None + */ +void bfa_cb_itnim_offline(void *itnim); +void bfa_cb_itnim_tov_begin(void *itnim); +void bfa_cb_itnim_tov(void *itnim); + +/** + * BFA notification to FCS/driver for second level error recovery. + * + * Atleast one I/O request has timedout and target is unresponsive to + * repeated abort requests. Second level error recovery should be initiated + * by starting implicit logout and recovery procedures. + * + * @param[in] itnim FCS or driver itnim instance + * + * return None + */ +void bfa_cb_itnim_sler(void *itnim); + +/* + * bfa ioim API functions + */ +struct bfa_ioim_s *bfa_ioim_alloc(struct bfa_s *bfa, + struct bfad_ioim_s *dio, + struct bfa_itnim_s *itnim, + u16 nsgles); + +void bfa_ioim_free(struct bfa_ioim_s *ioim); +void bfa_ioim_start(struct bfa_ioim_s *ioim); +void bfa_ioim_abort(struct bfa_ioim_s *ioim); +void bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, + bfa_boolean_t iotov); + + +/** + * I/O completion notification. + * + * @param[in] dio driver IO structure + * @param[in] io_status IO completion status + * @param[in] scsi_status SCSI status returned by target + * @param[in] sns_len SCSI sense length, 0 if none + * @param[in] sns_info SCSI sense data, if any + * @param[in] residue Residual length + * + * @return None + */ +void bfa_cb_ioim_done(void *bfad, struct bfad_ioim_s *dio, + enum bfi_ioim_status io_status, + u8 scsi_status, int sns_len, + u8 *sns_info, s32 residue); + +/** + * I/O good completion notification. + * + * @param[in] dio driver IO structure + * + * @return None + */ +void bfa_cb_ioim_good_comp(void *bfad, struct bfad_ioim_s *dio); + +/** + * I/O abort completion notification + * + * @param[in] dio driver IO that was aborted + * + * @return None + */ +void bfa_cb_ioim_abort(void *bfad, struct bfad_ioim_s *dio); +void bfa_cb_ioim_resfree(void *hcb_bfad); + +void bfa_cb_ioim_resfree(void *hcb_bfad); + +/* + * bfa tskim API functions + */ +struct bfa_tskim_s *bfa_tskim_alloc(struct bfa_s *bfa, + struct bfad_tskim_s *dtsk); +void bfa_tskim_free(struct bfa_tskim_s *tskim); +void bfa_tskim_start(struct bfa_tskim_s *tskim, + struct bfa_itnim_s *itnim, lun_t lun, + enum fcp_tm_cmnd tm, u8 t_secs); +void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, + enum bfi_tskim_status tsk_status); + +#endif /* __BFA_FCPIM_H__ */ + diff --git a/drivers/scsi/bfa/include/bfa_fcptm.h b/drivers/scsi/bfa/include/bfa_fcptm.h new file mode 100644 index 000000000000..5f5ffe0bb1bb --- /dev/null +++ b/drivers/scsi/bfa/include/bfa_fcptm.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCPTM_H__ +#define __BFA_FCPTM_H__ + +#include <bfa.h> +#include <bfa_svc.h> +#include <bfi/bfi_fcptm.h> + +/* + * forward declarations + */ +struct bfa_tin_s; +struct bfa_iotm_s; +struct bfa_tsktm_s; + +/* + * bfa fcptm module API functions + */ +void bfa_fcptm_path_tov_set(struct bfa_s *bfa, u16 path_tov); +u16 bfa_fcptm_path_tov_get(struct bfa_s *bfa); +void bfa_fcptm_qdepth_set(struct bfa_s *bfa, u16 q_depth); +u16 bfa_fcptm_qdepth_get(struct bfa_s *bfa); + +/* + * bfa tin API functions + */ +void bfa_tin_get_stats(struct bfa_tin_s *tin, struct bfa_tin_stats_s *stats); +void bfa_tin_clear_stats(struct bfa_tin_s *tin); + +#endif /* __BFA_FCPTM_H__ */ + diff --git a/drivers/scsi/bfa/include/bfa_svc.h b/drivers/scsi/bfa/include/bfa_svc.h new file mode 100644 index 000000000000..0c80b74f72ef --- /dev/null +++ b/drivers/scsi/bfa/include/bfa_svc.h @@ -0,0 +1,324 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_SVC_H__ +#define __BFA_SVC_H__ + +/* + * forward declarations + */ +struct bfa_fcxp_s; + +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_pport.h> +#include <defs/bfa_defs_rport.h> +#include <defs/bfa_defs_qos.h> +#include <cs/bfa_sm.h> +#include <bfa.h> + +/** + * BFA rport information. + */ +struct bfa_rport_info_s { + u16 max_frmsz; /* max rcv pdu size */ + u32 pid : 24, /* remote port ID */ + lp_tag : 8; + u32 local_pid : 24, /* local port ID */ + cisc : 8; /* CIRO supported */ + u8 fc_class; /* supported FC classes. enum fc_cos */ + u8 vf_en; /* virtual fabric enable */ + u16 vf_id; /* virtual fabric ID */ + enum bfa_pport_speed speed; /* Rport's current speed */ +}; + +/** + * BFA rport data structure + */ +struct bfa_rport_s { + struct list_head qe; /* queue element */ + bfa_sm_t sm; /* state machine */ + struct bfa_s *bfa; /* backpointer to BFA */ + void *rport_drv; /* fcs/driver rport object */ + u16 fw_handle; /* firmware rport handle */ + u16 rport_tag; /* BFA rport tag */ + struct bfa_rport_info_s rport_info; /* rport info from *fcs/driver */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */ + struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */ + struct bfa_rport_qos_attr_s qos_attr; + union a { + bfa_status_t status; /* f/w status */ + void *fw_msg; /* QoS scn event */ + } event_arg; +}; +#define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class) + +/** + * Send completion callback. + */ +typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp, + void *cbarg, enum bfa_status req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs); + +/** + * BFA fcxp allocation (asynchronous) + */ +typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp); + +struct bfa_fcxp_wqe_s { + struct list_head qe; + bfa_fcxp_alloc_cbfn_t alloc_cbfn; + void *alloc_cbarg; +}; + +typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid); +typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid); + +#define BFA_UF_BUFSZ (2 * 1024 + 256) + +/** + * @todo private + */ +struct bfa_uf_buf_s { + u8 d[BFA_UF_BUFSZ]; +}; + + +struct bfa_uf_s { + struct list_head qe; /* queue element */ + struct bfa_s *bfa; /* bfa instance */ + u16 uf_tag; /* identifying tag f/w messages */ + u16 vf_id; + u16 src_rport_handle; + u16 rsvd; + u8 *data_ptr; + u16 data_len; /* actual receive length */ + u16 pb_len; /* posted buffer length */ + void *buf_kva; /* buffer virtual address */ + u64 buf_pa; /* buffer physical address */ + struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */ + struct bfa_sge_s sges[BFI_SGE_INLINE_MAX]; +}; + +typedef void (*bfa_cb_pport_t) (void *cbarg, enum bfa_status status); + +/** + * bfa lport login/logout service interface + */ +struct bfa_lps_s { + struct list_head qe; /* queue element */ + struct bfa_s *bfa; /* parent bfa instance */ + bfa_sm_t sm; /* finite state machine */ + u8 lp_tag; /* lport tag */ + u8 reqq; /* lport request queue */ + u8 alpa; /* ALPA for loop topologies */ + u32 lp_pid; /* lport port ID */ + bfa_boolean_t fdisc; /* send FDISC instead of FLOGI*/ + bfa_boolean_t auth_en; /* enable authentication */ + bfa_boolean_t auth_req; /* authentication required */ + bfa_boolean_t npiv_en; /* NPIV is allowed by peer */ + bfa_boolean_t fport; /* attached peer is F_PORT */ + bfa_boolean_t brcd_switch;/* attached peer is brcd switch */ + bfa_status_t status; /* login status */ + u16 pdusz; /* max receive PDU size */ + u16 pr_bbcred; /* BB_CREDIT from peer */ + u8 lsrjt_rsn; /* LSRJT reason */ + u8 lsrjt_expl; /* LSRJT explanation */ + wwn_t pwwn; /* port wwn of lport */ + wwn_t nwwn; /* node wwn of lport */ + wwn_t pr_pwwn; /* port wwn of lport peer */ + wwn_t pr_nwwn; /* node wwn of lport peer */ + mac_t lp_mac; /* fpma/spma MAC for lport */ + mac_t fcf_mac; /* FCF MAC of lport */ + struct bfa_reqq_wait_s wqe; /* request wait queue element */ + void *uarg; /* user callback arg */ + struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ + struct bfi_lps_login_rsp_s *loginrsp; + bfa_eproto_status_t ext_status; +}; + +/* + * bfa pport API functions + */ +bfa_status_t bfa_pport_enable(struct bfa_s *bfa); +bfa_status_t bfa_pport_disable(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_speed(struct bfa_s *bfa, + enum bfa_pport_speed speed); +enum bfa_pport_speed bfa_pport_get_speed(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_topology(struct bfa_s *bfa, + enum bfa_pport_topology topo); +enum bfa_pport_topology bfa_pport_get_topology(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa); +bfa_boolean_t bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa); +u8 bfa_pport_get_myalpa(struct bfa_s *bfa); +bfa_status_t bfa_pport_clr_hardalpa(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize); +u16 bfa_pport_get_maxfrsize(struct bfa_s *bfa); +u32 bfa_pport_mypid(struct bfa_s *bfa); +u8 bfa_pport_get_rx_bbcredit(struct bfa_s *bfa); +bfa_status_t bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap); +bfa_status_t bfa_pport_trunk_disable(struct bfa_s *bfa); +bfa_boolean_t bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap); +void bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr); +wwn_t bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node); +bfa_status_t bfa_pport_get_stats(struct bfa_s *bfa, + union bfa_pport_stats_u *stats, + bfa_cb_pport_t cbfn, void *cbarg); +bfa_status_t bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, + void *cbarg); +void bfa_pport_event_register(struct bfa_s *bfa, + void (*event_cbfn) (void *cbarg, + bfa_pport_event_t event), void *event_cbarg); +bfa_boolean_t bfa_pport_is_disabled(struct bfa_s *bfa); +void bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off); +void bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off); +bfa_status_t bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, + enum bfa_pport_speed speed); +enum bfa_pport_speed bfa_pport_get_ratelim_speed(struct bfa_s *bfa); + +void bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit); +void bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status); +void bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon, + bfa_boolean_t link_e2e_beacon); +void bfa_cb_pport_event(void *cbarg, bfa_pport_event_t event); +void bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr); +void bfa_pport_qos_get_vc_attr(struct bfa_s *bfa, + struct bfa_qos_vc_attr_s *qos_vc_attr); +bfa_status_t bfa_pport_get_qos_stats(struct bfa_s *bfa, + union bfa_pport_stats_u *stats, + bfa_cb_pport_t cbfn, void *cbarg); +bfa_status_t bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, + void *cbarg); +bfa_boolean_t bfa_pport_is_ratelim(struct bfa_s *bfa); +bfa_boolean_t bfa_pport_is_linkup(struct bfa_s *bfa); + +/* + * bfa rport API functions + */ +struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv); +void bfa_rport_delete(struct bfa_rport_s *rport); +void bfa_rport_online(struct bfa_rport_s *rport, + struct bfa_rport_info_s *rport_info); +void bfa_rport_offline(struct bfa_rport_s *rport); +void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_pport_speed speed); +void bfa_rport_get_stats(struct bfa_rport_s *rport, + struct bfa_rport_hal_stats_s *stats); +void bfa_rport_clear_stats(struct bfa_rport_s *rport); +void bfa_cb_rport_online(void *rport); +void bfa_cb_rport_offline(void *rport); +void bfa_cb_rport_qos_scn_flowid(void *rport, + struct bfa_rport_qos_attr_s old_qos_attr, + struct bfa_rport_qos_attr_s new_qos_attr); +void bfa_cb_rport_qos_scn_prio(void *rport, + struct bfa_rport_qos_attr_s old_qos_attr, + struct bfa_rport_qos_attr_s new_qos_attr); +void bfa_rport_get_qos_attr(struct bfa_rport_s *rport, + struct bfa_rport_qos_attr_s *qos_attr); + +/* + * bfa fcxp API functions + */ +struct bfa_fcxp_s *bfa_fcxp_alloc(void *bfad_fcxp, struct bfa_s *bfa, + int nreq_sgles, int nrsp_sgles, + bfa_fcxp_get_sgaddr_t get_req_sga, + bfa_fcxp_get_sglen_t get_req_sglen, + bfa_fcxp_get_sgaddr_t get_rsp_sga, + bfa_fcxp_get_sglen_t get_rsp_sglen); +void bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, + bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *cbarg); +void bfa_fcxp_walloc_cancel(struct bfa_s *bfa, + struct bfa_fcxp_wqe_s *wqe); +void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp); + +void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp); +void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp); + +void bfa_fcxp_free(struct bfa_fcxp_s *fcxp); + +void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, + struct bfa_rport_s *rport, u16 vf_id, u8 lp_tag, + bfa_boolean_t cts, enum fc_cos cos, + u32 reqlen, struct fchs_s *fchs, + bfa_cb_fcxp_send_t cbfn, + void *cbarg, + u32 rsp_maxlen, u8 rsp_timeout); +bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp); +u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp); +u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa); + +static inline void * +bfa_uf_get_frmbuf(struct bfa_uf_s *uf) +{ + return uf->data_ptr; +} + +static inline u16 +bfa_uf_get_frmlen(struct bfa_uf_s *uf) +{ + return uf->data_len; +} + +/** + * Callback prototype for unsolicited frame receive handler. + * + * @param[in] cbarg callback arg for receive handler + * @param[in] uf unsolicited frame descriptor + * + * @return None + */ +typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf); + +/* + * bfa uf API functions + */ +void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, + void *cbarg); +void bfa_uf_free(struct bfa_uf_s *uf); + +/** + * bfa lport service api + */ + +struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa); +void bfa_lps_delete(struct bfa_lps_s *lps); +void bfa_lps_discard(struct bfa_lps_s *lps); +void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz, + wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en); +void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn, + wwn_t nwwn); +void bfa_lps_flogo(struct bfa_lps_s *lps); +void bfa_lps_fdisclogo(struct bfa_lps_s *lps); +u8 bfa_lps_get_tag(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_npiv_en(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_fport(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_brcd_fabric(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_authreq(struct bfa_lps_s *lps); +bfa_eproto_status_t bfa_lps_get_extstatus(struct bfa_lps_s *lps); +u32 bfa_lps_get_pid(struct bfa_lps_s *lps); +u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid); +u16 bfa_lps_get_peer_bbcredit(struct bfa_lps_s *lps); +wwn_t bfa_lps_get_peer_pwwn(struct bfa_lps_s *lps); +wwn_t bfa_lps_get_peer_nwwn(struct bfa_lps_s *lps); +u8 bfa_lps_get_lsrjt_rsn(struct bfa_lps_s *lps); +u8 bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps); +void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status); +void bfa_cb_lps_flogo_comp(void *bfad, void *uarg); +void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status); +void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg); + +#endif /* __BFA_SVC_H__ */ + diff --git a/drivers/scsi/bfa/include/bfa_timer.h b/drivers/scsi/bfa/include/bfa_timer.h new file mode 100644 index 000000000000..e407103fa565 --- /dev/null +++ b/drivers/scsi/bfa/include/bfa_timer.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_TIMER_H__ +#define __BFA_TIMER_H__ + +#include <bfa_os_inc.h> +#include <cs/bfa_q.h> + +struct bfa_s; + +typedef void (*bfa_timer_cbfn_t)(void *); + +/** + * BFA timer data structure + */ +struct bfa_timer_s { + struct list_head qe; + bfa_timer_cbfn_t timercb; + void *arg; + int timeout; /**< in millisecs. */ +}; + +/** + * Timer module structure + */ +struct bfa_timer_mod_s { + struct list_head timer_q; +}; + +#define BFA_TIMER_FREQ 500 /**< specified in millisecs */ + +void bfa_timer_beat(struct bfa_timer_mod_s *mod); +void bfa_timer_init(struct bfa_timer_mod_s *mod); +void bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer, + bfa_timer_cbfn_t timercb, void *arg, + unsigned int timeout); +void bfa_timer_stop(struct bfa_timer_s *timer); + +#endif /* __BFA_TIMER_H__ */ diff --git a/drivers/scsi/bfa/include/bfi/bfi.h b/drivers/scsi/bfa/include/bfi/bfi.h new file mode 100644 index 000000000000..6cadfe0d4ba1 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi.h @@ -0,0 +1,174 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_H__ +#define __BFI_H__ + +#include <bfa_os_inc.h> +#include <defs/bfa_defs_status.h> + +#pragma pack(1) + +/** + * Msg header common to all msgs + */ +struct bfi_mhdr_s { + u8 msg_class; /* @ref bfi_mclass_t */ + u8 msg_id; /* msg opcode with in the class */ + union { + struct { + u8 rsvd; + u8 lpu_id; /* msg destination */ + } h2i; + u16 i2htok; /* token in msgs to host */ + } mtag; +}; + +#define bfi_h2i_set(_mh, _mc, _op, _lpuid) do { \ + (_mh).msg_class = (_mc); \ + (_mh).msg_id = (_op); \ + (_mh).mtag.h2i.lpu_id = (_lpuid); \ +} while (0) + +#define bfi_i2h_set(_mh, _mc, _op, _i2htok) do { \ + (_mh).msg_class = (_mc); \ + (_mh).msg_id = (_op); \ + (_mh).mtag.i2htok = (_i2htok); \ +} while (0) + +/* + * Message opcodes: 0-127 to firmware, 128-255 to host + */ +#define BFI_I2H_OPCODE_BASE 128 +#define BFA_I2HM(_x) ((_x) + BFI_I2H_OPCODE_BASE) + +/** + **************************************************************************** + * + * Scatter Gather Element and Page definition + * + **************************************************************************** + */ + +#define BFI_SGE_INLINE 1 +#define BFI_SGE_INLINE_MAX (BFI_SGE_INLINE + 1) + +/** + * SG Flags + */ +enum { + BFI_SGE_DATA = 0, /* data address, not last */ + BFI_SGE_DATA_CPL = 1, /* data addr, last in current page */ + BFI_SGE_DATA_LAST = 3, /* data address, last */ + BFI_SGE_LINK = 2, /* link address */ + BFI_SGE_PGDLEN = 2, /* cumulative data length for page */ +}; + +/** + * DMA addresses + */ +union bfi_addr_u { + struct { + u32 addr_lo; + u32 addr_hi; + } a32; +}; + +/** + * Scatter Gather Element + */ +struct bfi_sge_s { +#ifdef __BIGENDIAN + u32 flags : 2, + rsvd : 2, + sg_len : 28; +#else + u32 sg_len : 28, + rsvd : 2, + flags : 2; +#endif + union bfi_addr_u sga; +}; + +/** + * Scatter Gather Page + */ +#define BFI_SGPG_DATA_SGES 7 +#define BFI_SGPG_SGES_MAX (BFI_SGPG_DATA_SGES + 1) +#define BFI_SGPG_RSVD_WD_LEN 8 +struct bfi_sgpg_s { + struct bfi_sge_s sges[BFI_SGPG_SGES_MAX]; + u32 rsvd[BFI_SGPG_RSVD_WD_LEN]; +}; + +/* + * Large Message structure - 128 Bytes size Msgs + */ +#define BFI_LMSG_SZ 128 +#define BFI_LMSG_PL_WSZ \ + ((BFI_LMSG_SZ - sizeof(struct bfi_mhdr_s)) / 4) + +struct bfi_msg_s { + struct bfi_mhdr_s mhdr; + u32 pl[BFI_LMSG_PL_WSZ]; +}; + +/** + * Mailbox message structure + */ +#define BFI_MBMSG_SZ 7 +struct bfi_mbmsg_s { + struct bfi_mhdr_s mh; + u32 pl[BFI_MBMSG_SZ]; +}; + +/** + * Message Classes + */ +enum bfi_mclass { + BFI_MC_IOC = 1, /* IO Controller (IOC) */ + BFI_MC_DIAG = 2, /* Diagnostic Msgs */ + BFI_MC_FLASH = 3, /* Flash message class */ + BFI_MC_CEE = 4, + BFI_MC_FC_PORT = 5, /* FC port */ + BFI_MC_IOCFC = 6, /* FC - IO Controller (IOC) */ + BFI_MC_LL = 7, /* Link Layer */ + BFI_MC_UF = 8, /* Unsolicited frame receive */ + BFI_MC_FCXP = 9, /* FC Transport */ + BFI_MC_LPS = 10, /* lport fc login services */ + BFI_MC_RPORT = 11, /* Remote port */ + BFI_MC_ITNIM = 12, /* I-T nexus (Initiator mode) */ + BFI_MC_IOIM_READ = 13, /* read IO (Initiator mode) */ + BFI_MC_IOIM_WRITE = 14, /* write IO (Initiator mode) */ + BFI_MC_IOIM_IO = 15, /* IO (Initiator mode) */ + BFI_MC_IOIM = 16, /* IO (Initiator mode) */ + BFI_MC_IOIM_IOCOM = 17, /* good IO completion */ + BFI_MC_TSKIM = 18, /* Initiator Task management */ + BFI_MC_SBOOT = 19, /* SAN boot services */ + BFI_MC_IPFC = 20, /* IP over FC Msgs */ + BFI_MC_PORT = 21, /* Physical port */ + BFI_MC_MAX = 32 +}; + +#define BFI_IOC_MAX_CQS 4 +#define BFI_IOC_MAX_CQS_ASIC 8 +#define BFI_IOC_MSGLEN_MAX 32 /* 32 bytes */ + +#pragma pack() + +#endif /* __BFI_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_boot.h b/drivers/scsi/bfa/include/bfi/bfi_boot.h new file mode 100644 index 000000000000..5955afe7d108 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_boot.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * bfi_boot.h + */ + +#ifndef __BFI_BOOT_H__ +#define __BFI_BOOT_H__ + +#define BFI_BOOT_TYPE_OFF 8 +#define BFI_BOOT_PARAM_OFF 12 + +#define BFI_BOOT_TYPE_NORMAL 0 /* param is device id */ +#define BFI_BOOT_TYPE_FLASH 1 +#define BFI_BOOT_TYPE_MEMTEST 2 + +#define BFI_BOOT_MEMTEST_RES_ADDR 0x900 +#define BFI_BOOT_MEMTEST_RES_SIG 0xA0A1A2A3 + +#endif diff --git a/drivers/scsi/bfa/include/bfi/bfi_cbreg.h b/drivers/scsi/bfa/include/bfi/bfi_cbreg.h new file mode 100644 index 000000000000..b3bb52b565b1 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_cbreg.h @@ -0,0 +1,305 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* + * bfi_cbreg.h crossbow host block register definitions + * + * !!! Do not edit. Auto generated. !!! + */ + +#ifndef __BFI_CBREG_H__ +#define __BFI_CBREG_H__ + + +#define HOSTFN0_INT_STATUS 0x00014000 +#define __HOSTFN0_INT_STATUS_LVL_MK 0x00f00000 +#define __HOSTFN0_INT_STATUS_LVL_SH 20 +#define __HOSTFN0_INT_STATUS_LVL(_v) ((_v) << __HOSTFN0_INT_STATUS_LVL_SH) +#define __HOSTFN0_INT_STATUS_P 0x000fffff +#define HOSTFN0_INT_MSK 0x00014004 +#define HOST_PAGE_NUM_FN0 0x00014008 +#define __HOST_PAGE_NUM_FN 0x000001ff +#define HOSTFN1_INT_STATUS 0x00014100 +#define __HOSTFN1_INT_STAT_LVL_MK 0x00f00000 +#define __HOSTFN1_INT_STAT_LVL_SH 20 +#define __HOSTFN1_INT_STAT_LVL(_v) ((_v) << __HOSTFN1_INT_STAT_LVL_SH) +#define __HOSTFN1_INT_STAT_P 0x000fffff +#define HOSTFN1_INT_MSK 0x00014104 +#define HOST_PAGE_NUM_FN1 0x00014108 +#define APP_PLL_400_CTL_REG 0x00014204 +#define __P_400_PLL_LOCK 0x80000000 +#define __APP_PLL_400_SRAM_USE_100MHZ 0x00100000 +#define __APP_PLL_400_RESET_TIMER_MK 0x000e0000 +#define __APP_PLL_400_RESET_TIMER_SH 17 +#define __APP_PLL_400_RESET_TIMER(_v) ((_v) << __APP_PLL_400_RESET_TIMER_SH) +#define __APP_PLL_400_LOGIC_SOFT_RESET 0x00010000 +#define __APP_PLL_400_CNTLMT0_1_MK 0x0000c000 +#define __APP_PLL_400_CNTLMT0_1_SH 14 +#define __APP_PLL_400_CNTLMT0_1(_v) ((_v) << __APP_PLL_400_CNTLMT0_1_SH) +#define __APP_PLL_400_JITLMT0_1_MK 0x00003000 +#define __APP_PLL_400_JITLMT0_1_SH 12 +#define __APP_PLL_400_JITLMT0_1(_v) ((_v) << __APP_PLL_400_JITLMT0_1_SH) +#define __APP_PLL_400_HREF 0x00000800 +#define __APP_PLL_400_HDIV 0x00000400 +#define __APP_PLL_400_P0_1_MK 0x00000300 +#define __APP_PLL_400_P0_1_SH 8 +#define __APP_PLL_400_P0_1(_v) ((_v) << __APP_PLL_400_P0_1_SH) +#define __APP_PLL_400_Z0_2_MK 0x000000e0 +#define __APP_PLL_400_Z0_2_SH 5 +#define __APP_PLL_400_Z0_2(_v) ((_v) << __APP_PLL_400_Z0_2_SH) +#define __APP_PLL_400_RSEL200500 0x00000010 +#define __APP_PLL_400_ENARST 0x00000008 +#define __APP_PLL_400_BYPASS 0x00000004 +#define __APP_PLL_400_LRESETN 0x00000002 +#define __APP_PLL_400_ENABLE 0x00000001 +#define APP_PLL_212_CTL_REG 0x00014208 +#define __P_212_PLL_LOCK 0x80000000 +#define __APP_PLL_212_RESET_TIMER_MK 0x000e0000 +#define __APP_PLL_212_RESET_TIMER_SH 17 +#define __APP_PLL_212_RESET_TIMER(_v) ((_v) << __APP_PLL_212_RESET_TIMER_SH) +#define __APP_PLL_212_LOGIC_SOFT_RESET 0x00010000 +#define __APP_PLL_212_CNTLMT0_1_MK 0x0000c000 +#define __APP_PLL_212_CNTLMT0_1_SH 14 +#define __APP_PLL_212_CNTLMT0_1(_v) ((_v) << __APP_PLL_212_CNTLMT0_1_SH) +#define __APP_PLL_212_JITLMT0_1_MK 0x00003000 +#define __APP_PLL_212_JITLMT0_1_SH 12 +#define __APP_PLL_212_JITLMT0_1(_v) ((_v) << __APP_PLL_212_JITLMT0_1_SH) +#define __APP_PLL_212_HREF 0x00000800 +#define __APP_PLL_212_HDIV 0x00000400 +#define __APP_PLL_212_P0_1_MK 0x00000300 +#define __APP_PLL_212_P0_1_SH 8 +#define __APP_PLL_212_P0_1(_v) ((_v) << __APP_PLL_212_P0_1_SH) +#define __APP_PLL_212_Z0_2_MK 0x000000e0 +#define __APP_PLL_212_Z0_2_SH 5 +#define __APP_PLL_212_Z0_2(_v) ((_v) << __APP_PLL_212_Z0_2_SH) +#define __APP_PLL_212_RSEL200500 0x00000010 +#define __APP_PLL_212_ENARST 0x00000008 +#define __APP_PLL_212_BYPASS 0x00000004 +#define __APP_PLL_212_LRESETN 0x00000002 +#define __APP_PLL_212_ENABLE 0x00000001 +#define HOST_SEM0_REG 0x00014230 +#define __HOST_SEMAPHORE 0x00000001 +#define HOST_SEM1_REG 0x00014234 +#define HOST_SEM2_REG 0x00014238 +#define HOST_SEM3_REG 0x0001423c +#define HOST_SEM0_INFO_REG 0x00014240 +#define HOST_SEM1_INFO_REG 0x00014244 +#define HOST_SEM2_INFO_REG 0x00014248 +#define HOST_SEM3_INFO_REG 0x0001424c +#define HOSTFN0_LPU0_CMD_STAT 0x00019000 +#define __HOSTFN0_LPU0_MBOX_INFO_MK 0xfffffffe +#define __HOSTFN0_LPU0_MBOX_INFO_SH 1 +#define __HOSTFN0_LPU0_MBOX_INFO(_v) ((_v) << __HOSTFN0_LPU0_MBOX_INFO_SH) +#define __HOSTFN0_LPU0_MBOX_CMD_STATUS 0x00000001 +#define LPU0_HOSTFN0_CMD_STAT 0x00019008 +#define __LPU0_HOSTFN0_MBOX_INFO_MK 0xfffffffe +#define __LPU0_HOSTFN0_MBOX_INFO_SH 1 +#define __LPU0_HOSTFN0_MBOX_INFO(_v) ((_v) << __LPU0_HOSTFN0_MBOX_INFO_SH) +#define __LPU0_HOSTFN0_MBOX_CMD_STATUS 0x00000001 +#define HOSTFN1_LPU1_CMD_STAT 0x00019014 +#define __HOSTFN1_LPU1_MBOX_INFO_MK 0xfffffffe +#define __HOSTFN1_LPU1_MBOX_INFO_SH 1 +#define __HOSTFN1_LPU1_MBOX_INFO(_v) ((_v) << __HOSTFN1_LPU1_MBOX_INFO_SH) +#define __HOSTFN1_LPU1_MBOX_CMD_STATUS 0x00000001 +#define LPU1_HOSTFN1_CMD_STAT 0x0001901c +#define __LPU1_HOSTFN1_MBOX_INFO_MK 0xfffffffe +#define __LPU1_HOSTFN1_MBOX_INFO_SH 1 +#define __LPU1_HOSTFN1_MBOX_INFO(_v) ((_v) << __LPU1_HOSTFN1_MBOX_INFO_SH) +#define __LPU1_HOSTFN1_MBOX_CMD_STATUS 0x00000001 +#define CPE_Q0_DEPTH 0x00010014 +#define CPE_Q0_PI 0x0001001c +#define CPE_Q0_CI 0x00010020 +#define CPE_Q1_DEPTH 0x00010034 +#define CPE_Q1_PI 0x0001003c +#define CPE_Q1_CI 0x00010040 +#define CPE_Q2_DEPTH 0x00010054 +#define CPE_Q2_PI 0x0001005c +#define CPE_Q2_CI 0x00010060 +#define CPE_Q3_DEPTH 0x00010074 +#define CPE_Q3_PI 0x0001007c +#define CPE_Q3_CI 0x00010080 +#define CPE_Q4_DEPTH 0x00010094 +#define CPE_Q4_PI 0x0001009c +#define CPE_Q4_CI 0x000100a0 +#define CPE_Q5_DEPTH 0x000100b4 +#define CPE_Q5_PI 0x000100bc +#define CPE_Q5_CI 0x000100c0 +#define CPE_Q6_DEPTH 0x000100d4 +#define CPE_Q6_PI 0x000100dc +#define CPE_Q6_CI 0x000100e0 +#define CPE_Q7_DEPTH 0x000100f4 +#define CPE_Q7_PI 0x000100fc +#define CPE_Q7_CI 0x00010100 +#define RME_Q0_DEPTH 0x00011014 +#define RME_Q0_PI 0x0001101c +#define RME_Q0_CI 0x00011020 +#define RME_Q1_DEPTH 0x00011034 +#define RME_Q1_PI 0x0001103c +#define RME_Q1_CI 0x00011040 +#define RME_Q2_DEPTH 0x00011054 +#define RME_Q2_PI 0x0001105c +#define RME_Q2_CI 0x00011060 +#define RME_Q3_DEPTH 0x00011074 +#define RME_Q3_PI 0x0001107c +#define RME_Q3_CI 0x00011080 +#define RME_Q4_DEPTH 0x00011094 +#define RME_Q4_PI 0x0001109c +#define RME_Q4_CI 0x000110a0 +#define RME_Q5_DEPTH 0x000110b4 +#define RME_Q5_PI 0x000110bc +#define RME_Q5_CI 0x000110c0 +#define RME_Q6_DEPTH 0x000110d4 +#define RME_Q6_PI 0x000110dc +#define RME_Q6_CI 0x000110e0 +#define RME_Q7_DEPTH 0x000110f4 +#define RME_Q7_PI 0x000110fc +#define RME_Q7_CI 0x00011100 +#define PSS_CTL_REG 0x00018800 +#define __PSS_I2C_CLK_DIV_MK 0x00030000 +#define __PSS_I2C_CLK_DIV_SH 16 +#define __PSS_I2C_CLK_DIV(_v) ((_v) << __PSS_I2C_CLK_DIV_SH) +#define __PSS_LMEM_INIT_DONE 0x00001000 +#define __PSS_LMEM_RESET 0x00000200 +#define __PSS_LMEM_INIT_EN 0x00000100 +#define __PSS_LPU1_RESET 0x00000002 +#define __PSS_LPU0_RESET 0x00000001 + + +/* + * These definitions are either in error/missing in spec. Its auto-generated + * from hard coded values in regparse.pl. + */ +#define __EMPHPOST_AT_4G_MK_FIX 0x0000001c +#define __EMPHPOST_AT_4G_SH_FIX 0x00000002 +#define __EMPHPRE_AT_4G_FIX 0x00000003 +#define __SFP_TXRATE_EN_FIX 0x00000100 +#define __SFP_RXRATE_EN_FIX 0x00000080 + + +/* + * These register definitions are auto-generated from hard coded values + * in regparse.pl. + */ +#define HOSTFN0_LPU_MBOX0_0 0x00019200 +#define HOSTFN1_LPU_MBOX0_8 0x00019260 +#define LPU_HOSTFN0_MBOX0_0 0x00019280 +#define LPU_HOSTFN1_MBOX0_8 0x000192e0 + + +/* + * These register mapping definitions are auto-generated from mapping tables + * in regparse.pl. + */ +#define BFA_IOC0_HBEAT_REG HOST_SEM0_INFO_REG +#define BFA_IOC0_STATE_REG HOST_SEM1_INFO_REG +#define BFA_IOC1_HBEAT_REG HOST_SEM2_INFO_REG +#define BFA_IOC1_STATE_REG HOST_SEM3_INFO_REG +#define BFA_FW_USE_COUNT HOST_SEM4_INFO_REG + +#define CPE_Q_DEPTH(__n) \ + (CPE_Q0_DEPTH + (__n) * (CPE_Q1_DEPTH - CPE_Q0_DEPTH)) +#define CPE_Q_PI(__n) \ + (CPE_Q0_PI + (__n) * (CPE_Q1_PI - CPE_Q0_PI)) +#define CPE_Q_CI(__n) \ + (CPE_Q0_CI + (__n) * (CPE_Q1_CI - CPE_Q0_CI)) +#define RME_Q_DEPTH(__n) \ + (RME_Q0_DEPTH + (__n) * (RME_Q1_DEPTH - RME_Q0_DEPTH)) +#define RME_Q_PI(__n) \ + (RME_Q0_PI + (__n) * (RME_Q1_PI - RME_Q0_PI)) +#define RME_Q_CI(__n) \ + (RME_Q0_CI + (__n) * (RME_Q1_CI - RME_Q0_CI)) + +#define CPE_Q_NUM(__fn, __q) (((__fn) << 2) + (__q)) +#define RME_Q_NUM(__fn, __q) (((__fn) << 2) + (__q)) +#define CPE_Q_MASK(__q) ((__q) & 0x3) +#define RME_Q_MASK(__q) ((__q) & 0x3) + + +/* + * PCI MSI-X vector defines + */ +enum { + BFA_MSIX_CPE_Q0 = 0, + BFA_MSIX_CPE_Q1 = 1, + BFA_MSIX_CPE_Q2 = 2, + BFA_MSIX_CPE_Q3 = 3, + BFA_MSIX_CPE_Q4 = 4, + BFA_MSIX_CPE_Q5 = 5, + BFA_MSIX_CPE_Q6 = 6, + BFA_MSIX_CPE_Q7 = 7, + BFA_MSIX_RME_Q0 = 8, + BFA_MSIX_RME_Q1 = 9, + BFA_MSIX_RME_Q2 = 10, + BFA_MSIX_RME_Q3 = 11, + BFA_MSIX_RME_Q4 = 12, + BFA_MSIX_RME_Q5 = 13, + BFA_MSIX_RME_Q6 = 14, + BFA_MSIX_RME_Q7 = 15, + BFA_MSIX_ERR_EMC = 16, + BFA_MSIX_ERR_LPU0 = 17, + BFA_MSIX_ERR_LPU1 = 18, + BFA_MSIX_ERR_PSS = 19, + BFA_MSIX_MBOX_LPU0 = 20, + BFA_MSIX_MBOX_LPU1 = 21, + BFA_MSIX_CB_MAX = 22, +}; + +/* + * And corresponding host interrupt status bit field defines + */ +#define __HFN_INT_CPE_Q0 0x00000001U +#define __HFN_INT_CPE_Q1 0x00000002U +#define __HFN_INT_CPE_Q2 0x00000004U +#define __HFN_INT_CPE_Q3 0x00000008U +#define __HFN_INT_CPE_Q4 0x00000010U +#define __HFN_INT_CPE_Q5 0x00000020U +#define __HFN_INT_CPE_Q6 0x00000040U +#define __HFN_INT_CPE_Q7 0x00000080U +#define __HFN_INT_RME_Q0 0x00000100U +#define __HFN_INT_RME_Q1 0x00000200U +#define __HFN_INT_RME_Q2 0x00000400U +#define __HFN_INT_RME_Q3 0x00000800U +#define __HFN_INT_RME_Q4 0x00001000U +#define __HFN_INT_RME_Q5 0x00002000U +#define __HFN_INT_RME_Q6 0x00004000U +#define __HFN_INT_RME_Q7 0x00008000U +#define __HFN_INT_ERR_EMC 0x00010000U +#define __HFN_INT_ERR_LPU0 0x00020000U +#define __HFN_INT_ERR_LPU1 0x00040000U +#define __HFN_INT_ERR_PSS 0x00080000U +#define __HFN_INT_MBOX_LPU0 0x00100000U +#define __HFN_INT_MBOX_LPU1 0x00200000U +#define __HFN_INT_MBOX1_LPU0 0x00400000U +#define __HFN_INT_MBOX1_LPU1 0x00800000U +#define __HFN_INT_CPE_MASK 0x000000ffU +#define __HFN_INT_RME_MASK 0x0000ff00U + + +/* + * crossbow memory map. + */ +#define PSS_SMEM_PAGE_START 0x8000 +#define PSS_SMEM_PGNUM(_pg0, _ma) ((_pg0) + ((_ma) >> 15)) +#define PSS_SMEM_PGOFF(_ma) ((_ma) & 0x7fff) + +/* + * End of crossbow memory map + */ + + +#endif /* __BFI_CBREG_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_cee.h b/drivers/scsi/bfa/include/bfi/bfi_cee.h new file mode 100644 index 000000000000..0970596583ea --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_cee.h @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/** + * Copyright (c) 2006-2009 Brocade Communications Systems, Inc. + * All rights reserved. + * + * bfi_dcbx.h BFI Interface (Mailbox commands and related structures) + * between host driver and DCBX/LLDP firmware module. + * +**/ + +#ifndef __BFI_CEE_H__ +#define __BFI_CEE_H__ + +#include <bfi/bfi.h> + +#pragma pack(1) + + +enum bfi_cee_h2i_msgs_e { + BFI_CEE_H2I_GET_CFG_REQ = 1, + BFI_CEE_H2I_RESET_STATS = 2, + BFI_CEE_H2I_GET_STATS_REQ = 3, +}; + + +enum bfi_cee_i2h_msgs_e { + BFI_CEE_I2H_GET_CFG_RSP = BFA_I2HM(1), + BFI_CEE_I2H_RESET_STATS_RSP = BFA_I2HM(2), + BFI_CEE_I2H_GET_STATS_RSP = BFA_I2HM(3), +}; + + +/* Data structures */ + +/* + * BFI_CEE_H2I_RESET_STATS + */ +struct bfi_lldp_reset_stats_s { + struct bfi_mhdr_s mh; +}; + +/* + * BFI_CEE_H2I_RESET_STATS + */ +struct bfi_cee_reset_stats_s { + struct bfi_mhdr_s mh; +}; + +/* + * BFI_CEE_H2I_GET_CFG_REQ + */ +struct bfi_cee_get_req_s { + struct bfi_mhdr_s mh; + union bfi_addr_u dma_addr; +}; + + +/* + * BFI_CEE_I2H_GET_CFG_RSP + */ +struct bfi_cee_get_rsp_s { + struct bfi_mhdr_s mh; + u8 cmd_status; + u8 rsvd[3]; +}; + +/* + * BFI_CEE_H2I_GET_STATS_REQ + */ +struct bfi_cee_stats_req_s { + struct bfi_mhdr_s mh; + union bfi_addr_u dma_addr; +}; + + +/* + * BFI_CEE_I2H_GET_STATS_RSP + */ +struct bfi_cee_stats_rsp_s { + struct bfi_mhdr_s mh; + u8 cmd_status; + u8 rsvd[3]; +}; + + + +union bfi_cee_h2i_msg_u { + struct bfi_mhdr_s mh; + struct bfi_cee_get_req_s get_req; + struct bfi_cee_stats_req_s stats_req; +}; + + +union bfi_cee_i2h_msg_u { + struct bfi_mhdr_s mh; + struct bfi_cee_get_rsp_s get_rsp; + struct bfi_cee_stats_rsp_s stats_rsp; +}; + +#pragma pack() + + +#endif /* __BFI_CEE_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_ctreg.h b/drivers/scsi/bfa/include/bfi/bfi_ctreg.h new file mode 100644 index 000000000000..d3caa58c0a0a --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_ctreg.h @@ -0,0 +1,611 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* + * bfi_ctreg.h catapult host block register definitions + * + * !!! Do not edit. Auto generated. !!! + */ + +#ifndef __BFI_CTREG_H__ +#define __BFI_CTREG_H__ + + +#define HOSTFN0_LPU_MBOX0_0 0x00019200 +#define HOSTFN1_LPU_MBOX0_8 0x00019260 +#define LPU_HOSTFN0_MBOX0_0 0x00019280 +#define LPU_HOSTFN1_MBOX0_8 0x000192e0 +#define HOSTFN2_LPU_MBOX0_0 0x00019400 +#define HOSTFN3_LPU_MBOX0_8 0x00019460 +#define LPU_HOSTFN2_MBOX0_0 0x00019480 +#define LPU_HOSTFN3_MBOX0_8 0x000194e0 +#define HOSTFN0_INT_STATUS 0x00014000 +#define __HOSTFN0_HALT_OCCURRED 0x01000000 +#define __HOSTFN0_INT_STATUS_LVL_MK 0x00f00000 +#define __HOSTFN0_INT_STATUS_LVL_SH 20 +#define __HOSTFN0_INT_STATUS_LVL(_v) ((_v) << __HOSTFN0_INT_STATUS_LVL_SH) +#define __HOSTFN0_INT_STATUS_P_MK 0x000f0000 +#define __HOSTFN0_INT_STATUS_P_SH 16 +#define __HOSTFN0_INT_STATUS_P(_v) ((_v) << __HOSTFN0_INT_STATUS_P_SH) +#define __HOSTFN0_INT_STATUS_F 0x0000ffff +#define HOSTFN0_INT_MSK 0x00014004 +#define HOST_PAGE_NUM_FN0 0x00014008 +#define __HOST_PAGE_NUM_FN 0x000001ff +#define HOST_MSIX_ERR_INDEX_FN0 0x0001400c +#define __MSIX_ERR_INDEX_FN 0x000001ff +#define HOSTFN1_INT_STATUS 0x00014100 +#define __HOSTFN1_HALT_OCCURRED 0x01000000 +#define __HOSTFN1_INT_STATUS_LVL_MK 0x00f00000 +#define __HOSTFN1_INT_STATUS_LVL_SH 20 +#define __HOSTFN1_INT_STATUS_LVL(_v) ((_v) << __HOSTFN1_INT_STATUS_LVL_SH) +#define __HOSTFN1_INT_STATUS_P_MK 0x000f0000 +#define __HOSTFN1_INT_STATUS_P_SH 16 +#define __HOSTFN1_INT_STATUS_P(_v) ((_v) << __HOSTFN1_INT_STATUS_P_SH) +#define __HOSTFN1_INT_STATUS_F 0x0000ffff +#define HOSTFN1_INT_MSK 0x00014104 +#define HOST_PAGE_NUM_FN1 0x00014108 +#define HOST_MSIX_ERR_INDEX_FN1 0x0001410c +#define APP_PLL_425_CTL_REG 0x00014204 +#define __P_425_PLL_LOCK 0x80000000 +#define __APP_PLL_425_SRAM_USE_100MHZ 0x00100000 +#define __APP_PLL_425_RESET_TIMER_MK 0x000e0000 +#define __APP_PLL_425_RESET_TIMER_SH 17 +#define __APP_PLL_425_RESET_TIMER(_v) ((_v) << __APP_PLL_425_RESET_TIMER_SH) +#define __APP_PLL_425_LOGIC_SOFT_RESET 0x00010000 +#define __APP_PLL_425_CNTLMT0_1_MK 0x0000c000 +#define __APP_PLL_425_CNTLMT0_1_SH 14 +#define __APP_PLL_425_CNTLMT0_1(_v) ((_v) << __APP_PLL_425_CNTLMT0_1_SH) +#define __APP_PLL_425_JITLMT0_1_MK 0x00003000 +#define __APP_PLL_425_JITLMT0_1_SH 12 +#define __APP_PLL_425_JITLMT0_1(_v) ((_v) << __APP_PLL_425_JITLMT0_1_SH) +#define __APP_PLL_425_HREF 0x00000800 +#define __APP_PLL_425_HDIV 0x00000400 +#define __APP_PLL_425_P0_1_MK 0x00000300 +#define __APP_PLL_425_P0_1_SH 8 +#define __APP_PLL_425_P0_1(_v) ((_v) << __APP_PLL_425_P0_1_SH) +#define __APP_PLL_425_Z0_2_MK 0x000000e0 +#define __APP_PLL_425_Z0_2_SH 5 +#define __APP_PLL_425_Z0_2(_v) ((_v) << __APP_PLL_425_Z0_2_SH) +#define __APP_PLL_425_RSEL200500 0x00000010 +#define __APP_PLL_425_ENARST 0x00000008 +#define __APP_PLL_425_BYPASS 0x00000004 +#define __APP_PLL_425_LRESETN 0x00000002 +#define __APP_PLL_425_ENABLE 0x00000001 +#define APP_PLL_312_CTL_REG 0x00014208 +#define __P_312_PLL_LOCK 0x80000000 +#define __ENABLE_MAC_AHB_1 0x00800000 +#define __ENABLE_MAC_AHB_0 0x00400000 +#define __ENABLE_MAC_1 0x00200000 +#define __ENABLE_MAC_0 0x00100000 +#define __APP_PLL_312_RESET_TIMER_MK 0x000e0000 +#define __APP_PLL_312_RESET_TIMER_SH 17 +#define __APP_PLL_312_RESET_TIMER(_v) ((_v) << __APP_PLL_312_RESET_TIMER_SH) +#define __APP_PLL_312_LOGIC_SOFT_RESET 0x00010000 +#define __APP_PLL_312_CNTLMT0_1_MK 0x0000c000 +#define __APP_PLL_312_CNTLMT0_1_SH 14 +#define __APP_PLL_312_CNTLMT0_1(_v) ((_v) << __APP_PLL_312_CNTLMT0_1_SH) +#define __APP_PLL_312_JITLMT0_1_MK 0x00003000 +#define __APP_PLL_312_JITLMT0_1_SH 12 +#define __APP_PLL_312_JITLMT0_1(_v) ((_v) << __APP_PLL_312_JITLMT0_1_SH) +#define __APP_PLL_312_HREF 0x00000800 +#define __APP_PLL_312_HDIV 0x00000400 +#define __APP_PLL_312_P0_1_MK 0x00000300 +#define __APP_PLL_312_P0_1_SH 8 +#define __APP_PLL_312_P0_1(_v) ((_v) << __APP_PLL_312_P0_1_SH) +#define __APP_PLL_312_Z0_2_MK 0x000000e0 +#define __APP_PLL_312_Z0_2_SH 5 +#define __APP_PLL_312_Z0_2(_v) ((_v) << __APP_PLL_312_Z0_2_SH) +#define __APP_PLL_312_RSEL200500 0x00000010 +#define __APP_PLL_312_ENARST 0x00000008 +#define __APP_PLL_312_BYPASS 0x00000004 +#define __APP_PLL_312_LRESETN 0x00000002 +#define __APP_PLL_312_ENABLE 0x00000001 +#define MBIST_CTL_REG 0x00014220 +#define __EDRAM_BISTR_START 0x00000004 +#define __MBIST_RESET 0x00000002 +#define __MBIST_START 0x00000001 +#define MBIST_STAT_REG 0x00014224 +#define __EDRAM_BISTR_STATUS 0x00000008 +#define __EDRAM_BISTR_DONE 0x00000004 +#define __MEM_BIT_STATUS 0x00000002 +#define __MBIST_DONE 0x00000001 +#define HOST_SEM0_REG 0x00014230 +#define __HOST_SEMAPHORE 0x00000001 +#define HOST_SEM1_REG 0x00014234 +#define HOST_SEM2_REG 0x00014238 +#define HOST_SEM3_REG 0x0001423c +#define HOST_SEM0_INFO_REG 0x00014240 +#define HOST_SEM1_INFO_REG 0x00014244 +#define HOST_SEM2_INFO_REG 0x00014248 +#define HOST_SEM3_INFO_REG 0x0001424c +#define ETH_MAC_SER_REG 0x00014288 +#define __APP_EMS_CKBUFAMPIN 0x00000020 +#define __APP_EMS_REFCLKSEL 0x00000010 +#define __APP_EMS_CMLCKSEL 0x00000008 +#define __APP_EMS_REFCKBUFEN2 0x00000004 +#define __APP_EMS_REFCKBUFEN1 0x00000002 +#define __APP_EMS_CHANNEL_SEL 0x00000001 +#define HOSTFN2_INT_STATUS 0x00014300 +#define __HOSTFN2_HALT_OCCURRED 0x01000000 +#define __HOSTFN2_INT_STATUS_LVL_MK 0x00f00000 +#define __HOSTFN2_INT_STATUS_LVL_SH 20 +#define __HOSTFN2_INT_STATUS_LVL(_v) ((_v) << __HOSTFN2_INT_STATUS_LVL_SH) +#define __HOSTFN2_INT_STATUS_P_MK 0x000f0000 +#define __HOSTFN2_INT_STATUS_P_SH 16 +#define __HOSTFN2_INT_STATUS_P(_v) ((_v) << __HOSTFN2_INT_STATUS_P_SH) +#define __HOSTFN2_INT_STATUS_F 0x0000ffff +#define HOSTFN2_INT_MSK 0x00014304 +#define HOST_PAGE_NUM_FN2 0x00014308 +#define HOST_MSIX_ERR_INDEX_FN2 0x0001430c +#define HOSTFN3_INT_STATUS 0x00014400 +#define __HALT_OCCURRED 0x01000000 +#define __HOSTFN3_INT_STATUS_LVL_MK 0x00f00000 +#define __HOSTFN3_INT_STATUS_LVL_SH 20 +#define __HOSTFN3_INT_STATUS_LVL(_v) ((_v) << __HOSTFN3_INT_STATUS_LVL_SH) +#define __HOSTFN3_INT_STATUS_P_MK 0x000f0000 +#define __HOSTFN3_INT_STATUS_P_SH 16 +#define __HOSTFN3_INT_STATUS_P(_v) ((_v) << __HOSTFN3_INT_STATUS_P_SH) +#define __HOSTFN3_INT_STATUS_F 0x0000ffff +#define HOSTFN3_INT_MSK 0x00014404 +#define HOST_PAGE_NUM_FN3 0x00014408 +#define HOST_MSIX_ERR_INDEX_FN3 0x0001440c +#define FNC_ID_REG 0x00014600 +#define __FUNCTION_NUMBER 0x00000007 +#define FNC_PERS_REG 0x00014604 +#define __F3_FUNCTION_ACTIVE 0x80000000 +#define __F3_FUNCTION_MODE 0x40000000 +#define __F3_PORT_MAP_MK 0x30000000 +#define __F3_PORT_MAP_SH 28 +#define __F3_PORT_MAP(_v) ((_v) << __F3_PORT_MAP_SH) +#define __F3_VM_MODE 0x08000000 +#define __F3_INTX_STATUS_MK 0x07000000 +#define __F3_INTX_STATUS_SH 24 +#define __F3_INTX_STATUS(_v) ((_v) << __F3_INTX_STATUS_SH) +#define __F2_FUNCTION_ACTIVE 0x00800000 +#define __F2_FUNCTION_MODE 0x00400000 +#define __F2_PORT_MAP_MK 0x00300000 +#define __F2_PORT_MAP_SH 20 +#define __F2_PORT_MAP(_v) ((_v) << __F2_PORT_MAP_SH) +#define __F2_VM_MODE 0x00080000 +#define __F2_INTX_STATUS_MK 0x00070000 +#define __F2_INTX_STATUS_SH 16 +#define __F2_INTX_STATUS(_v) ((_v) << __F2_INTX_STATUS_SH) +#define __F1_FUNCTION_ACTIVE 0x00008000 +#define __F1_FUNCTION_MODE 0x00004000 +#define __F1_PORT_MAP_MK 0x00003000 +#define __F1_PORT_MAP_SH 12 +#define __F1_PORT_MAP(_v) ((_v) << __F1_PORT_MAP_SH) +#define __F1_VM_MODE 0x00000800 +#define __F1_INTX_STATUS_MK 0x00000700 +#define __F1_INTX_STATUS_SH 8 +#define __F1_INTX_STATUS(_v) ((_v) << __F1_INTX_STATUS_SH) +#define __F0_FUNCTION_ACTIVE 0x00000080 +#define __F0_FUNCTION_MODE 0x00000040 +#define __F0_PORT_MAP_MK 0x00000030 +#define __F0_PORT_MAP_SH 4 +#define __F0_PORT_MAP(_v) ((_v) << __F0_PORT_MAP_SH) +#define __F0_VM_MODE 0x00000008 +#define __F0_INTX_STATUS 0x00000007 +enum { + __F0_INTX_STATUS_MSIX = 0x0, + __F0_INTX_STATUS_INTA = 0x1, + __F0_INTX_STATUS_INTB = 0x2, + __F0_INTX_STATUS_INTC = 0x3, + __F0_INTX_STATUS_INTD = 0x4, +}; +#define OP_MODE 0x0001460c +#define __APP_ETH_CLK_LOWSPEED 0x00000004 +#define __GLOBAL_CORECLK_HALFSPEED 0x00000002 +#define __GLOBAL_FCOE_MODE 0x00000001 +#define HOST_SEM4_REG 0x00014610 +#define HOST_SEM5_REG 0x00014614 +#define HOST_SEM6_REG 0x00014618 +#define HOST_SEM7_REG 0x0001461c +#define HOST_SEM4_INFO_REG 0x00014620 +#define HOST_SEM5_INFO_REG 0x00014624 +#define HOST_SEM6_INFO_REG 0x00014628 +#define HOST_SEM7_INFO_REG 0x0001462c +#define HOSTFN0_LPU0_MBOX0_CMD_STAT 0x00019000 +#define __HOSTFN0_LPU0_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN0_LPU0_MBOX0_INFO_SH 1 +#define __HOSTFN0_LPU0_MBOX0_INFO(_v) ((_v) << __HOSTFN0_LPU0_MBOX0_INFO_SH) +#define __HOSTFN0_LPU0_MBOX0_CMD_STATUS 0x00000001 +#define HOSTFN0_LPU1_MBOX0_CMD_STAT 0x00019004 +#define __HOSTFN0_LPU1_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN0_LPU1_MBOX0_INFO_SH 1 +#define __HOSTFN0_LPU1_MBOX0_INFO(_v) ((_v) << __HOSTFN0_LPU1_MBOX0_INFO_SH) +#define __HOSTFN0_LPU1_MBOX0_CMD_STATUS 0x00000001 +#define LPU0_HOSTFN0_MBOX0_CMD_STAT 0x00019008 +#define __LPU0_HOSTFN0_MBOX0_INFO_MK 0xfffffffe +#define __LPU0_HOSTFN0_MBOX0_INFO_SH 1 +#define __LPU0_HOSTFN0_MBOX0_INFO(_v) ((_v) << __LPU0_HOSTFN0_MBOX0_INFO_SH) +#define __LPU0_HOSTFN0_MBOX0_CMD_STATUS 0x00000001 +#define LPU1_HOSTFN0_MBOX0_CMD_STAT 0x0001900c +#define __LPU1_HOSTFN0_MBOX0_INFO_MK 0xfffffffe +#define __LPU1_HOSTFN0_MBOX0_INFO_SH 1 +#define __LPU1_HOSTFN0_MBOX0_INFO(_v) ((_v) << __LPU1_HOSTFN0_MBOX0_INFO_SH) +#define __LPU1_HOSTFN0_MBOX0_CMD_STATUS 0x00000001 +#define HOSTFN1_LPU0_MBOX0_CMD_STAT 0x00019010 +#define __HOSTFN1_LPU0_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN1_LPU0_MBOX0_INFO_SH 1 +#define __HOSTFN1_LPU0_MBOX0_INFO(_v) ((_v) << __HOSTFN1_LPU0_MBOX0_INFO_SH) +#define __HOSTFN1_LPU0_MBOX0_CMD_STATUS 0x00000001 +#define HOSTFN1_LPU1_MBOX0_CMD_STAT 0x00019014 +#define __HOSTFN1_LPU1_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN1_LPU1_MBOX0_INFO_SH 1 +#define __HOSTFN1_LPU1_MBOX0_INFO(_v) ((_v) << __HOSTFN1_LPU1_MBOX0_INFO_SH) +#define __HOSTFN1_LPU1_MBOX0_CMD_STATUS 0x00000001 +#define LPU0_HOSTFN1_MBOX0_CMD_STAT 0x00019018 +#define __LPU0_HOSTFN1_MBOX0_INFO_MK 0xfffffffe +#define __LPU0_HOSTFN1_MBOX0_INFO_SH 1 +#define __LPU0_HOSTFN1_MBOX0_INFO(_v) ((_v) << __LPU0_HOSTFN1_MBOX0_INFO_SH) +#define __LPU0_HOSTFN1_MBOX0_CMD_STATUS 0x00000001 +#define LPU1_HOSTFN1_MBOX0_CMD_STAT 0x0001901c +#define __LPU1_HOSTFN1_MBOX0_INFO_MK 0xfffffffe +#define __LPU1_HOSTFN1_MBOX0_INFO_SH 1 +#define __LPU1_HOSTFN1_MBOX0_INFO(_v) ((_v) << __LPU1_HOSTFN1_MBOX0_INFO_SH) +#define __LPU1_HOSTFN1_MBOX0_CMD_STATUS 0x00000001 +#define HOSTFN2_LPU0_MBOX0_CMD_STAT 0x00019150 +#define __HOSTFN2_LPU0_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN2_LPU0_MBOX0_INFO_SH 1 +#define __HOSTFN2_LPU0_MBOX0_INFO(_v) ((_v) << __HOSTFN2_LPU0_MBOX0_INFO_SH) +#define __HOSTFN2_LPU0_MBOX0_CMD_STATUS 0x00000001 +#define HOSTFN2_LPU1_MBOX0_CMD_STAT 0x00019154 +#define __HOSTFN2_LPU1_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN2_LPU1_MBOX0_INFO_SH 1 +#define __HOSTFN2_LPU1_MBOX0_INFO(_v) ((_v) << __HOSTFN2_LPU1_MBOX0_INFO_SH) +#define __HOSTFN2_LPU1_MBOX0BOX0_CMD_STATUS 0x00000001 +#define LPU0_HOSTFN2_MBOX0_CMD_STAT 0x00019158 +#define __LPU0_HOSTFN2_MBOX0_INFO_MK 0xfffffffe +#define __LPU0_HOSTFN2_MBOX0_INFO_SH 1 +#define __LPU0_HOSTFN2_MBOX0_INFO(_v) ((_v) << __LPU0_HOSTFN2_MBOX0_INFO_SH) +#define __LPU0_HOSTFN2_MBOX0_CMD_STATUS 0x00000001 +#define LPU1_HOSTFN2_MBOX0_CMD_STAT 0x0001915c +#define __LPU1_HOSTFN2_MBOX0_INFO_MK 0xfffffffe +#define __LPU1_HOSTFN2_MBOX0_INFO_SH 1 +#define __LPU1_HOSTFN2_MBOX0_INFO(_v) ((_v) << __LPU1_HOSTFN2_MBOX0_INFO_SH) +#define __LPU1_HOSTFN2_MBOX0_CMD_STATUS 0x00000001 +#define HOSTFN3_LPU0_MBOX0_CMD_STAT 0x00019160 +#define __HOSTFN3_LPU0_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN3_LPU0_MBOX0_INFO_SH 1 +#define __HOSTFN3_LPU0_MBOX0_INFO(_v) ((_v) << __HOSTFN3_LPU0_MBOX0_INFO_SH) +#define __HOSTFN3_LPU0_MBOX0_CMD_STATUS 0x00000001 +#define HOSTFN3_LPU1_MBOX0_CMD_STAT 0x00019164 +#define __HOSTFN3_LPU1_MBOX0_INFO_MK 0xfffffffe +#define __HOSTFN3_LPU1_MBOX0_INFO_SH 1 +#define __HOSTFN3_LPU1_MBOX0_INFO(_v) ((_v) << __HOSTFN3_LPU1_MBOX0_INFO_SH) +#define __HOSTFN3_LPU1_MBOX0_CMD_STATUS 0x00000001 +#define LPU0_HOSTFN3_MBOX0_CMD_STAT 0x00019168 +#define __LPU0_HOSTFN3_MBOX0_INFO_MK 0xfffffffe +#define __LPU0_HOSTFN3_MBOX0_INFO_SH 1 +#define __LPU0_HOSTFN3_MBOX0_INFO(_v) ((_v) << __LPU0_HOSTFN3_MBOX0_INFO_SH) +#define __LPU0_HOSTFN3_MBOX0_CMD_STATUS 0x00000001 +#define LPU1_HOSTFN3_MBOX0_CMD_STAT 0x0001916c +#define __LPU1_HOSTFN3_MBOX0_INFO_MK 0xfffffffe +#define __LPU1_HOSTFN3_MBOX0_INFO_SH 1 +#define __LPU1_HOSTFN3_MBOX0_INFO(_v) ((_v) << __LPU1_HOSTFN3_MBOX0_INFO_SH) +#define __LPU1_HOSTFN3_MBOX0_CMD_STATUS 0x00000001 +#define FW_INIT_HALT_P0 0x000191ac +#define __FW_INIT_HALT_P 0x00000001 +#define FW_INIT_HALT_P1 0x000191bc +#define CPE_PI_PTR_Q0 0x00038000 +#define __CPE_PI_UNUSED_MK 0xffff0000 +#define __CPE_PI_UNUSED_SH 16 +#define __CPE_PI_UNUSED(_v) ((_v) << __CPE_PI_UNUSED_SH) +#define __CPE_PI_PTR 0x0000ffff +#define CPE_PI_PTR_Q1 0x00038040 +#define CPE_CI_PTR_Q0 0x00038004 +#define __CPE_CI_UNUSED_MK 0xffff0000 +#define __CPE_CI_UNUSED_SH 16 +#define __CPE_CI_UNUSED(_v) ((_v) << __CPE_CI_UNUSED_SH) +#define __CPE_CI_PTR 0x0000ffff +#define CPE_CI_PTR_Q1 0x00038044 +#define CPE_DEPTH_Q0 0x00038008 +#define __CPE_DEPTH_UNUSED_MK 0xf8000000 +#define __CPE_DEPTH_UNUSED_SH 27 +#define __CPE_DEPTH_UNUSED(_v) ((_v) << __CPE_DEPTH_UNUSED_SH) +#define __CPE_MSIX_VEC_INDEX_MK 0x07ff0000 +#define __CPE_MSIX_VEC_INDEX_SH 16 +#define __CPE_MSIX_VEC_INDEX(_v) ((_v) << __CPE_MSIX_VEC_INDEX_SH) +#define __CPE_DEPTH 0x0000ffff +#define CPE_DEPTH_Q1 0x00038048 +#define CPE_QCTRL_Q0 0x0003800c +#define __CPE_CTRL_UNUSED30_MK 0xfc000000 +#define __CPE_CTRL_UNUSED30_SH 26 +#define __CPE_CTRL_UNUSED30(_v) ((_v) << __CPE_CTRL_UNUSED30_SH) +#define __CPE_FUNC_INT_CTRL_MK 0x03000000 +#define __CPE_FUNC_INT_CTRL_SH 24 +#define __CPE_FUNC_INT_CTRL(_v) ((_v) << __CPE_FUNC_INT_CTRL_SH) +enum { + __CPE_FUNC_INT_CTRL_DISABLE = 0x0, + __CPE_FUNC_INT_CTRL_F2NF = 0x1, + __CPE_FUNC_INT_CTRL_3QUART = 0x2, + __CPE_FUNC_INT_CTRL_HALF = 0x3, +}; +#define __CPE_CTRL_UNUSED20_MK 0x00f00000 +#define __CPE_CTRL_UNUSED20_SH 20 +#define __CPE_CTRL_UNUSED20(_v) ((_v) << __CPE_CTRL_UNUSED20_SH) +#define __CPE_SCI_TH_MK 0x000f0000 +#define __CPE_SCI_TH_SH 16 +#define __CPE_SCI_TH(_v) ((_v) << __CPE_SCI_TH_SH) +#define __CPE_CTRL_UNUSED10_MK 0x0000c000 +#define __CPE_CTRL_UNUSED10_SH 14 +#define __CPE_CTRL_UNUSED10(_v) ((_v) << __CPE_CTRL_UNUSED10_SH) +#define __CPE_ACK_PENDING 0x00002000 +#define __CPE_CTRL_UNUSED40_MK 0x00001c00 +#define __CPE_CTRL_UNUSED40_SH 10 +#define __CPE_CTRL_UNUSED40(_v) ((_v) << __CPE_CTRL_UNUSED40_SH) +#define __CPE_PCIEID_MK 0x00000300 +#define __CPE_PCIEID_SH 8 +#define __CPE_PCIEID(_v) ((_v) << __CPE_PCIEID_SH) +#define __CPE_CTRL_UNUSED00_MK 0x000000fe +#define __CPE_CTRL_UNUSED00_SH 1 +#define __CPE_CTRL_UNUSED00(_v) ((_v) << __CPE_CTRL_UNUSED00_SH) +#define __CPE_ESIZE 0x00000001 +#define CPE_QCTRL_Q1 0x0003804c +#define __CPE_CTRL_UNUSED31_MK 0xfc000000 +#define __CPE_CTRL_UNUSED31_SH 26 +#define __CPE_CTRL_UNUSED31(_v) ((_v) << __CPE_CTRL_UNUSED31_SH) +#define __CPE_CTRL_UNUSED21_MK 0x00f00000 +#define __CPE_CTRL_UNUSED21_SH 20 +#define __CPE_CTRL_UNUSED21(_v) ((_v) << __CPE_CTRL_UNUSED21_SH) +#define __CPE_CTRL_UNUSED11_MK 0x0000c000 +#define __CPE_CTRL_UNUSED11_SH 14 +#define __CPE_CTRL_UNUSED11(_v) ((_v) << __CPE_CTRL_UNUSED11_SH) +#define __CPE_CTRL_UNUSED41_MK 0x00001c00 +#define __CPE_CTRL_UNUSED41_SH 10 +#define __CPE_CTRL_UNUSED41(_v) ((_v) << __CPE_CTRL_UNUSED41_SH) +#define __CPE_CTRL_UNUSED01_MK 0x000000fe +#define __CPE_CTRL_UNUSED01_SH 1 +#define __CPE_CTRL_UNUSED01(_v) ((_v) << __CPE_CTRL_UNUSED01_SH) +#define RME_PI_PTR_Q0 0x00038020 +#define __LATENCY_TIME_STAMP_MK 0xffff0000 +#define __LATENCY_TIME_STAMP_SH 16 +#define __LATENCY_TIME_STAMP(_v) ((_v) << __LATENCY_TIME_STAMP_SH) +#define __RME_PI_PTR 0x0000ffff +#define RME_PI_PTR_Q1 0x00038060 +#define RME_CI_PTR_Q0 0x00038024 +#define __DELAY_TIME_STAMP_MK 0xffff0000 +#define __DELAY_TIME_STAMP_SH 16 +#define __DELAY_TIME_STAMP(_v) ((_v) << __DELAY_TIME_STAMP_SH) +#define __RME_CI_PTR 0x0000ffff +#define RME_CI_PTR_Q1 0x00038064 +#define RME_DEPTH_Q0 0x00038028 +#define __RME_DEPTH_UNUSED_MK 0xf8000000 +#define __RME_DEPTH_UNUSED_SH 27 +#define __RME_DEPTH_UNUSED(_v) ((_v) << __RME_DEPTH_UNUSED_SH) +#define __RME_MSIX_VEC_INDEX_MK 0x07ff0000 +#define __RME_MSIX_VEC_INDEX_SH 16 +#define __RME_MSIX_VEC_INDEX(_v) ((_v) << __RME_MSIX_VEC_INDEX_SH) +#define __RME_DEPTH 0x0000ffff +#define RME_DEPTH_Q1 0x00038068 +#define RME_QCTRL_Q0 0x0003802c +#define __RME_INT_LATENCY_TIMER_MK 0xff000000 +#define __RME_INT_LATENCY_TIMER_SH 24 +#define __RME_INT_LATENCY_TIMER(_v) ((_v) << __RME_INT_LATENCY_TIMER_SH) +#define __RME_INT_DELAY_TIMER_MK 0x00ff0000 +#define __RME_INT_DELAY_TIMER_SH 16 +#define __RME_INT_DELAY_TIMER(_v) ((_v) << __RME_INT_DELAY_TIMER_SH) +#define __RME_INT_DELAY_DISABLE 0x00008000 +#define __RME_DLY_DELAY_DISABLE 0x00004000 +#define __RME_ACK_PENDING 0x00002000 +#define __RME_FULL_INTERRUPT_DISABLE 0x00001000 +#define __RME_CTRL_UNUSED10_MK 0x00000c00 +#define __RME_CTRL_UNUSED10_SH 10 +#define __RME_CTRL_UNUSED10(_v) ((_v) << __RME_CTRL_UNUSED10_SH) +#define __RME_PCIEID_MK 0x00000300 +#define __RME_PCIEID_SH 8 +#define __RME_PCIEID(_v) ((_v) << __RME_PCIEID_SH) +#define __RME_CTRL_UNUSED00_MK 0x000000fe +#define __RME_CTRL_UNUSED00_SH 1 +#define __RME_CTRL_UNUSED00(_v) ((_v) << __RME_CTRL_UNUSED00_SH) +#define __RME_ESIZE 0x00000001 +#define RME_QCTRL_Q1 0x0003806c +#define __RME_CTRL_UNUSED11_MK 0x00000c00 +#define __RME_CTRL_UNUSED11_SH 10 +#define __RME_CTRL_UNUSED11(_v) ((_v) << __RME_CTRL_UNUSED11_SH) +#define __RME_CTRL_UNUSED01_MK 0x000000fe +#define __RME_CTRL_UNUSED01_SH 1 +#define __RME_CTRL_UNUSED01(_v) ((_v) << __RME_CTRL_UNUSED01_SH) +#define PSS_CTL_REG 0x00018800 +#define __PSS_I2C_CLK_DIV_MK 0x007f0000 +#define __PSS_I2C_CLK_DIV_SH 16 +#define __PSS_I2C_CLK_DIV(_v) ((_v) << __PSS_I2C_CLK_DIV_SH) +#define __PSS_LMEM_INIT_DONE 0x00001000 +#define __PSS_LMEM_RESET 0x00000200 +#define __PSS_LMEM_INIT_EN 0x00000100 +#define __PSS_LPU1_RESET 0x00000002 +#define __PSS_LPU0_RESET 0x00000001 +#define HQM_QSET0_RXQ_DRBL_P0 0x00038000 +#define __RXQ0_ADD_VECTORS_P 0x80000000 +#define __RXQ0_STOP_P 0x40000000 +#define __RXQ0_PRD_PTR_P 0x0000ffff +#define HQM_QSET1_RXQ_DRBL_P0 0x00038080 +#define __RXQ1_ADD_VECTORS_P 0x80000000 +#define __RXQ1_STOP_P 0x40000000 +#define __RXQ1_PRD_PTR_P 0x0000ffff +#define HQM_QSET0_RXQ_DRBL_P1 0x0003c000 +#define HQM_QSET1_RXQ_DRBL_P1 0x0003c080 +#define HQM_QSET0_TXQ_DRBL_P0 0x00038020 +#define __TXQ0_ADD_VECTORS_P 0x80000000 +#define __TXQ0_STOP_P 0x40000000 +#define __TXQ0_PRD_PTR_P 0x0000ffff +#define HQM_QSET1_TXQ_DRBL_P0 0x000380a0 +#define __TXQ1_ADD_VECTORS_P 0x80000000 +#define __TXQ1_STOP_P 0x40000000 +#define __TXQ1_PRD_PTR_P 0x0000ffff +#define HQM_QSET0_TXQ_DRBL_P1 0x0003c020 +#define HQM_QSET1_TXQ_DRBL_P1 0x0003c0a0 +#define HQM_QSET0_IB_DRBL_1_P0 0x00038040 +#define __IB1_0_ACK_P 0x80000000 +#define __IB1_0_DISABLE_P 0x40000000 +#define __IB1_0_NUM_OF_ACKED_EVENTS_P 0x0000ffff +#define HQM_QSET1_IB_DRBL_1_P0 0x000380c0 +#define __IB1_1_ACK_P 0x80000000 +#define __IB1_1_DISABLE_P 0x40000000 +#define __IB1_1_NUM_OF_ACKED_EVENTS_P 0x0000ffff +#define HQM_QSET0_IB_DRBL_1_P1 0x0003c040 +#define HQM_QSET1_IB_DRBL_1_P1 0x0003c0c0 +#define HQM_QSET0_IB_DRBL_2_P0 0x00038060 +#define __IB2_0_ACK_P 0x80000000 +#define __IB2_0_DISABLE_P 0x40000000 +#define __IB2_0_NUM_OF_ACKED_EVENTS_P 0x0000ffff +#define HQM_QSET1_IB_DRBL_2_P0 0x000380e0 +#define __IB2_1_ACK_P 0x80000000 +#define __IB2_1_DISABLE_P 0x40000000 +#define __IB2_1_NUM_OF_ACKED_EVENTS_P 0x0000ffff +#define HQM_QSET0_IB_DRBL_2_P1 0x0003c060 +#define HQM_QSET1_IB_DRBL_2_P1 0x0003c0e0 + + +/* + * These definitions are either in error/missing in spec. Its auto-generated + * from hard coded values in regparse.pl. + */ +#define __EMPHPOST_AT_4G_MK_FIX 0x0000001c +#define __EMPHPOST_AT_4G_SH_FIX 0x00000002 +#define __EMPHPRE_AT_4G_FIX 0x00000003 +#define __SFP_TXRATE_EN_FIX 0x00000100 +#define __SFP_RXRATE_EN_FIX 0x00000080 + + +/* + * These register definitions are auto-generated from hard coded values + * in regparse.pl. + */ + + +/* + * These register mapping definitions are auto-generated from mapping tables + * in regparse.pl. + */ +#define BFA_IOC0_HBEAT_REG HOST_SEM0_INFO_REG +#define BFA_IOC0_STATE_REG HOST_SEM1_INFO_REG +#define BFA_IOC1_HBEAT_REG HOST_SEM2_INFO_REG +#define BFA_IOC1_STATE_REG HOST_SEM3_INFO_REG +#define BFA_FW_USE_COUNT HOST_SEM4_INFO_REG + +#define CPE_DEPTH_Q(__n) \ + (CPE_DEPTH_Q0 + (__n) * (CPE_DEPTH_Q1 - CPE_DEPTH_Q0)) +#define CPE_QCTRL_Q(__n) \ + (CPE_QCTRL_Q0 + (__n) * (CPE_QCTRL_Q1 - CPE_QCTRL_Q0)) +#define CPE_PI_PTR_Q(__n) \ + (CPE_PI_PTR_Q0 + (__n) * (CPE_PI_PTR_Q1 - CPE_PI_PTR_Q0)) +#define CPE_CI_PTR_Q(__n) \ + (CPE_CI_PTR_Q0 + (__n) * (CPE_CI_PTR_Q1 - CPE_CI_PTR_Q0)) +#define RME_DEPTH_Q(__n) \ + (RME_DEPTH_Q0 + (__n) * (RME_DEPTH_Q1 - RME_DEPTH_Q0)) +#define RME_QCTRL_Q(__n) \ + (RME_QCTRL_Q0 + (__n) * (RME_QCTRL_Q1 - RME_QCTRL_Q0)) +#define RME_PI_PTR_Q(__n) \ + (RME_PI_PTR_Q0 + (__n) * (RME_PI_PTR_Q1 - RME_PI_PTR_Q0)) +#define RME_CI_PTR_Q(__n) \ + (RME_CI_PTR_Q0 + (__n) * (RME_CI_PTR_Q1 - RME_CI_PTR_Q0)) +#define HQM_QSET_RXQ_DRBL_P0(__n) \ + (HQM_QSET0_RXQ_DRBL_P0 + (__n) * (HQM_QSET1_RXQ_DRBL_P0 - \ + HQM_QSET0_RXQ_DRBL_P0)) +#define HQM_QSET_TXQ_DRBL_P0(__n) \ + (HQM_QSET0_TXQ_DRBL_P0 + (__n) * (HQM_QSET1_TXQ_DRBL_P0 - \ + HQM_QSET0_TXQ_DRBL_P0)) +#define HQM_QSET_IB_DRBL_1_P0(__n) \ + (HQM_QSET0_IB_DRBL_1_P0 + (__n) * (HQM_QSET1_IB_DRBL_1_P0 - \ + HQM_QSET0_IB_DRBL_1_P0)) +#define HQM_QSET_IB_DRBL_2_P0(__n) \ + (HQM_QSET0_IB_DRBL_2_P0 + (__n) * (HQM_QSET1_IB_DRBL_2_P0 - \ + HQM_QSET0_IB_DRBL_2_P0)) +#define HQM_QSET_RXQ_DRBL_P1(__n) \ + (HQM_QSET0_RXQ_DRBL_P1 + (__n) * (HQM_QSET1_RXQ_DRBL_P1 - \ + HQM_QSET0_RXQ_DRBL_P1)) +#define HQM_QSET_TXQ_DRBL_P1(__n) \ + (HQM_QSET0_TXQ_DRBL_P1 + (__n) * (HQM_QSET1_TXQ_DRBL_P1 - \ + HQM_QSET0_TXQ_DRBL_P1)) +#define HQM_QSET_IB_DRBL_1_P1(__n) \ + (HQM_QSET0_IB_DRBL_1_P1 + (__n) * (HQM_QSET1_IB_DRBL_1_P1 - \ + HQM_QSET0_IB_DRBL_1_P1)) +#define HQM_QSET_IB_DRBL_2_P1(__n) \ + (HQM_QSET0_IB_DRBL_2_P1 + (__n) * (HQM_QSET1_IB_DRBL_2_P1 - \ + HQM_QSET0_IB_DRBL_2_P1)) + +#define CPE_Q_NUM(__fn, __q) (((__fn) << 2) + (__q)) +#define RME_Q_NUM(__fn, __q) (((__fn) << 2) + (__q)) +#define CPE_Q_MASK(__q) ((__q) & 0x3) +#define RME_Q_MASK(__q) ((__q) & 0x3) + + +/* + * PCI MSI-X vector defines + */ +enum { + BFA_MSIX_CPE_Q0 = 0, + BFA_MSIX_CPE_Q1 = 1, + BFA_MSIX_CPE_Q2 = 2, + BFA_MSIX_CPE_Q3 = 3, + BFA_MSIX_RME_Q0 = 4, + BFA_MSIX_RME_Q1 = 5, + BFA_MSIX_RME_Q2 = 6, + BFA_MSIX_RME_Q3 = 7, + BFA_MSIX_LPU_ERR = 8, + BFA_MSIX_CT_MAX = 9, +}; + +/* + * And corresponding host interrupt status bit field defines + */ +#define __HFN_INT_CPE_Q0 0x00000001U +#define __HFN_INT_CPE_Q1 0x00000002U +#define __HFN_INT_CPE_Q2 0x00000004U +#define __HFN_INT_CPE_Q3 0x00000008U +#define __HFN_INT_CPE_Q4 0x00000010U +#define __HFN_INT_CPE_Q5 0x00000020U +#define __HFN_INT_CPE_Q6 0x00000040U +#define __HFN_INT_CPE_Q7 0x00000080U +#define __HFN_INT_RME_Q0 0x00000100U +#define __HFN_INT_RME_Q1 0x00000200U +#define __HFN_INT_RME_Q2 0x00000400U +#define __HFN_INT_RME_Q3 0x00000800U +#define __HFN_INT_RME_Q4 0x00001000U +#define __HFN_INT_RME_Q5 0x00002000U +#define __HFN_INT_RME_Q6 0x00004000U +#define __HFN_INT_RME_Q7 0x00008000U +#define __HFN_INT_ERR_EMC 0x00010000U +#define __HFN_INT_ERR_LPU0 0x00020000U +#define __HFN_INT_ERR_LPU1 0x00040000U +#define __HFN_INT_ERR_PSS 0x00080000U +#define __HFN_INT_MBOX_LPU0 0x00100000U +#define __HFN_INT_MBOX_LPU1 0x00200000U +#define __HFN_INT_MBOX1_LPU0 0x00400000U +#define __HFN_INT_MBOX1_LPU1 0x00800000U +#define __HFN_INT_CPE_MASK 0x000000ffU +#define __HFN_INT_RME_MASK 0x0000ff00U + + +/* + * catapult memory map. + */ +#define LL_PGN_HQM0 0x0096 +#define LL_PGN_HQM1 0x0097 +#define PSS_SMEM_PAGE_START 0x8000 +#define PSS_SMEM_PGNUM(_pg0, _ma) ((_pg0) + ((_ma) >> 15)) +#define PSS_SMEM_PGOFF(_ma) ((_ma) & 0x7fff) + +/* + * End of catapult memory map + */ + + +#endif /* __BFI_CTREG_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_fabric.h b/drivers/scsi/bfa/include/bfi/bfi_fabric.h new file mode 100644 index 000000000000..c0669ed41078 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_fabric.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_FABRIC_H__ +#define __BFI_FABRIC_H__ + +#include <bfi/bfi.h> + +#pragma pack(1) + +enum bfi_fabric_h2i_msgs { + BFI_FABRIC_H2I_CREATE_REQ = 1, + BFI_FABRIC_H2I_DELETE_REQ = 2, + BFI_FABRIC_H2I_SETAUTH = 3, +}; + +enum bfi_fabric_i2h_msgs { + BFI_FABRIC_I2H_CREATE_RSP = BFA_I2HM(1), + BFI_FABRIC_I2H_DELETE_RSP = BFA_I2HM(2), + BFI_FABRIC_I2H_SETAUTH_RSP = BFA_I2HM(3), + BFI_FABRIC_I2H_ONLINE = BFA_I2HM(4), + BFI_FABRIC_I2H_OFFLINE = BFA_I2HM(5), +}; + +struct bfi_fabric_create_req_s { + bfi_mhdr_t mh; /* common msg header */ + u8 vf_en; /* virtual fabric enable */ + u8 rsvd; + u16 vf_id; /* virtual fabric ID */ + wwn_t pwwn; /* port name */ + wwn_t nwwn; /* node name */ +}; + +struct bfi_fabric_create_rsp_s { + bfi_mhdr_t mh; /* common msg header */ + u16 bfa_handle; /* host fabric handle */ + u8 status; /* fabric create status */ + u8 rsvd; +}; + +struct bfi_fabric_delete_req_s { + bfi_mhdr_t mh; /* common msg header */ + u16 fw_handle; /* firmware fabric handle */ + u16 rsvd; +}; + +struct bfi_fabric_delete_rsp_s { + bfi_mhdr_t mh; /* common msg header */ + u16 bfa_handle; /* host fabric handle */ + u8 status; /* fabric deletion status */ + u8 rsvd; +}; + +#define BFI_FABRIC_AUTHSECRET_LEN 64 +struct bfi_fabric_setauth_req_s { + bfi_mhdr_t mh; /* common msg header */ + u16 fw_handle; /* f/w handle of fabric */ + u8 algorithm; + u8 group; + u8 secret[BFI_FABRIC_AUTHSECRET_LEN]; +}; + +union bfi_fabric_h2i_msg_u { + bfi_msg_t *msg; + struct bfi_fabric_create_req_s *create_req; + struct bfi_fabric_delete_req_s *delete_req; +}; + +union bfi_fabric_i2h_msg_u { + bfi_msg_t *msg; + struct bfi_fabric_create_rsp_s *create_rsp; + struct bfi_fabric_delete_rsp_s *delete_rsp; +}; + +#pragma pack() + +#endif /* __BFI_FABRIC_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_fcpim.h b/drivers/scsi/bfa/include/bfi/bfi_fcpim.h new file mode 100644 index 000000000000..52c059fb4c3a --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_fcpim.h @@ -0,0 +1,301 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_FCPIM_H__ +#define __BFI_FCPIM_H__ + +#include "bfi.h" +#include <protocol/fcp.h> + +#pragma pack(1) + +/* + * Initiator mode I-T nexus interface defines. + */ + +enum bfi_itnim_h2i { + BFI_ITNIM_H2I_CREATE_REQ = 1, /* i-t nexus creation */ + BFI_ITNIM_H2I_DELETE_REQ = 2, /* i-t nexus deletion */ +}; + +enum bfi_itnim_i2h { + BFI_ITNIM_I2H_CREATE_RSP = BFA_I2HM(1), + BFI_ITNIM_I2H_DELETE_RSP = BFA_I2HM(2), + BFI_ITNIM_I2H_SLER_EVENT = BFA_I2HM(3), +}; + +struct bfi_itnim_create_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 fw_handle; /* f/w handle for itnim */ + u8 class; /* FC class for IO */ + u8 seq_rec; /* sequence recovery support */ + u8 msg_no; /* seq id of the msg */ +}; + +struct bfi_itnim_create_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 bfa_handle; /* bfa handle for itnim */ + u8 status; /* fcp request status */ + u8 seq_id; /* seq id of the msg */ +}; + +struct bfi_itnim_delete_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 fw_handle; /* f/w itnim handle */ + u8 seq_id; /* seq id of the msg */ + u8 rsvd; +}; + +struct bfi_itnim_delete_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 bfa_handle; /* bfa handle for itnim */ + u8 status; /* fcp request status */ + u8 seq_id; /* seq id of the msg */ +}; + +struct bfi_itnim_sler_event_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 bfa_handle; /* bfa handle for itnim */ + u16 rsvd; +}; + +union bfi_itnim_h2i_msg_u { + struct bfi_itnim_create_req_s *create_req; + struct bfi_itnim_delete_req_s *delete_req; + struct bfi_msg_s *msg; +}; + +union bfi_itnim_i2h_msg_u { + struct bfi_itnim_create_rsp_s *create_rsp; + struct bfi_itnim_delete_rsp_s *delete_rsp; + struct bfi_itnim_sler_event_s *sler_event; + struct bfi_msg_s *msg; +}; + +/* + * Initiator mode IO interface defines. + */ + +enum bfi_ioim_h2i { + BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */ + BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */ +}; + +enum bfi_ioim_i2h { + BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */ + BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2),/* ABORT rsp */ +}; + +/** + * IO command DIF info + */ +struct bfi_ioim_dif_s { + u32 dif_info[4]; +}; + +/** + * FCP IO messages overview + * + * @note + * - Max CDB length supported is 64 bytes. + * - SCSI Linked commands and SCSI bi-directional Commands not + * supported. + * + */ +struct bfi_ioim_req_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 io_tag; /* I/O tag */ + u16 rport_hdl; /* itnim/rport firmware handle */ + struct fcp_cmnd_s cmnd; /* IO request info */ + + /** + * SG elements array within the IO request must be double word + * aligned. This aligment is required to optimize SGM setup for the IO. + */ + struct bfi_sge_s sges[BFI_SGE_INLINE_MAX]; + u8 io_timeout; + u8 dif_en; + u8 rsvd_a[2]; + struct bfi_ioim_dif_s dif; +}; + +/** + * This table shows various IO status codes from firmware and their + * meaning. Host driver can use these status codes to further process + * IO completions. + * + * BFI_IOIM_STS_OK : IO completed with error free SCSI & + * transport status. + * - io-tag can be reused. + * + * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error. + * - io-tag can be reused. + * + * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to + * host request. + * - io-tag cannot be reused yet. + * + * BFI_IOIM_STS_ABORTED : IO was aborted successfully + * internally by f/w. + * - io-tag cannot be reused yet. + * + * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening + * in the firmware and + * - io-tag cannot be reused yet. + * + * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO + * with sequence level error + * logic and hence host needs to retry + * this IO with a different IO tag + * - io-tag cannot be used yet. + * + * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host + * is required because 2 consecutive ABTS + * timedout and host needs logout and + * re-login with the target + * - io-tag cannot be used yet. + * + * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good, + * but the data tranferred is less than + * the fcp data length in the command. + * ex. SCSI INQUIRY where transferred + * data length and residue count in FCP + * response accounts for total fcp-dl + * - io-tag can be reused. + * + * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good, + * but the data transerred is more than + * fcp data length in the command. ex. + * TAPE IOs where blocks can of unequal + * lengths. + * - io-tag can be reused. + * + * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag + * during abort process + * - io-tag can be reused. + * + * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error. + * ex target sent more data than + * requested, or there was data frame + * loss and other reasons + * - io-tag cannot be used yet. + * + * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF + * CRC err or Ref Tag err or App tag err. + * - io-tag can be reused. + * + * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task + * Management command from the host + * - io-tag can be reused. + * + * BFI_IOIM_STS_UTAG : Firmware does not know about this + * io_tag. + * - io-tag can be reused. + */ +enum bfi_ioim_status { + BFI_IOIM_STS_OK = 0, + BFI_IOIM_STS_HOST_ABORTED = 1, + BFI_IOIM_STS_ABORTED = 2, + BFI_IOIM_STS_TIMEDOUT = 3, + BFI_IOIM_STS_RES_FREE = 4, + BFI_IOIM_STS_SQER_NEEDED = 5, + BFI_IOIM_STS_PROTO_ERR = 6, + BFI_IOIM_STS_UTAG = 7, + BFI_IOIM_STS_PATHTOV = 8, +}; + +#define BFI_IOIM_SNSLEN (256) +/** + * I/O response message + */ +struct bfi_ioim_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 io_tag; /* completed IO tag */ + u16 bfa_rport_hndl; /* releated rport handle */ + u8 io_status; /* IO completion status */ + u8 reuse_io_tag; /* IO tag can be reused */ + u16 abort_tag; /* host abort request tag */ + u8 scsi_status; /* scsi status from target */ + u8 sns_len; /* scsi sense length */ + u8 resid_flags; /* IO residue flags */ + u8 rsvd_a; + u32 residue; /* IO residual length in bytes */ + u32 rsvd_b[3]; +}; + +struct bfi_ioim_abort_req_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 io_tag; /* I/O tag */ + u16 abort_tag; /* unique request tag */ +}; + +/* + * Initiator mode task management command interface defines. + */ + +enum bfi_tskim_h2i { + BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */ + BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */ +}; + +enum bfi_tskim_i2h { + BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1), +}; + +struct bfi_tskim_req_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 tsk_tag; /* task management tag */ + u16 itn_fhdl; /* itn firmware handle */ + lun_t lun; /* LU number */ + u8 tm_flags; /* see fcp_tm_cmnd_t */ + u8 t_secs; /* Timeout value in seconds */ + u8 rsvd[2]; +}; + +struct bfi_tskim_abortreq_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 tsk_tag; /* task management tag */ + u16 rsvd; +}; + +enum bfi_tskim_status { + /* + * Following are FCP-4 spec defined status codes, + * **DO NOT CHANGE THEM ** + */ + BFI_TSKIM_STS_OK = 0, + BFI_TSKIM_STS_NOT_SUPP = 4, + BFI_TSKIM_STS_FAILED = 5, + + /** + * Defined by BFA + */ + BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */ + BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */ +}; + +struct bfi_tskim_rsp_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 tsk_tag; /* task mgmt cmnd tag */ + u8 tsk_status; /* @ref bfi_tskim_status */ + u8 rsvd; +}; + +#pragma pack() + +#endif /* __BFI_FCPIM_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_fcxp.h b/drivers/scsi/bfa/include/bfi/bfi_fcxp.h new file mode 100644 index 000000000000..e0e995a32828 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_fcxp.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_FCXP_H__ +#define __BFI_FCXP_H__ + +#include "bfi.h" + +#pragma pack(1) + +enum bfi_fcxp_h2i { + BFI_FCXP_H2I_SEND_REQ = 1, +}; + +enum bfi_fcxp_i2h { + BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1), +}; + +#define BFA_FCXP_MAX_SGES 2 + +/** + * FCXP send request structure + */ +struct bfi_fcxp_send_req_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 fcxp_tag; /* driver request tag */ + u16 max_frmsz; /* max send frame size */ + u16 vf_id; /* vsan tag if applicable */ + u16 rport_fw_hndl; /* FW Handle for the remote port */ + u8 class; /* FC class used for req/rsp */ + u8 rsp_timeout; /* timeout in secs, 0-no response */ + u8 cts; /* continue sequence */ + u8 lp_tag; /* lport tag */ + struct fchs_s fchs; /* request FC header structure */ + u32 req_len; /* request payload length */ + u32 rsp_maxlen; /* max response length expected */ + struct bfi_sge_s req_sge[BFA_FCXP_MAX_SGES]; /* request buf */ + struct bfi_sge_s rsp_sge[BFA_FCXP_MAX_SGES]; /* response buf */ +}; + +/** + * FCXP send response structure + */ +struct bfi_fcxp_send_rsp_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 fcxp_tag; /* send request tag */ + u8 req_status; /* request status */ + u8 rsvd; + u32 rsp_len; /* actual response length */ + u32 residue_len; /* residual response length */ + struct fchs_s fchs; /* response FC header structure */ +}; + +#pragma pack() + +#endif /* __BFI_FCXP_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_ioc.h b/drivers/scsi/bfa/include/bfi/bfi_ioc.h new file mode 100644 index 000000000000..026e9c06ae97 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_ioc.h @@ -0,0 +1,202 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_IOC_H__ +#define __BFI_IOC_H__ + +#include "bfi.h" +#include <defs/bfa_defs_ioc.h> + +#pragma pack(1) + +enum bfi_ioc_h2i_msgs { + BFI_IOC_H2I_ENABLE_REQ = 1, + BFI_IOC_H2I_DISABLE_REQ = 2, + BFI_IOC_H2I_GETATTR_REQ = 3, + BFI_IOC_H2I_DBG_SYNC = 4, + BFI_IOC_H2I_DBG_DUMP = 5, +}; + +enum bfi_ioc_i2h_msgs { + BFI_IOC_I2H_ENABLE_REPLY = BFA_I2HM(1), + BFI_IOC_I2H_DISABLE_REPLY = BFA_I2HM(2), + BFI_IOC_I2H_GETATTR_REPLY = BFA_I2HM(3), + BFI_IOC_I2H_READY_EVENT = BFA_I2HM(4), + BFI_IOC_I2H_HBEAT = BFA_I2HM(5), +}; + +/** + * BFI_IOC_H2I_GETATTR_REQ message + */ +struct bfi_ioc_getattr_req_s { + struct bfi_mhdr_s mh; + union bfi_addr_u attr_addr; +}; + +struct bfi_ioc_attr_s { + wwn_t mfg_wwn; + mac_t mfg_mac; + u16 rsvd_a; + char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)]; + u8 pcie_gen; + u8 pcie_lanes_orig; + u8 pcie_lanes; + u8 rx_bbcredit; /* receive buffer credits */ + u32 adapter_prop; /* adapter properties */ + u16 maxfrsize; /* max receive frame size */ + char asic_rev; + u8 rsvd_b; + char fw_version[BFA_VERSION_LEN]; + char optrom_version[BFA_VERSION_LEN]; + struct bfa_mfg_vpd_s vpd; +}; + +/** + * BFI_IOC_I2H_GETATTR_REPLY message + */ +struct bfi_ioc_getattr_reply_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u8 status; /* cfg reply status */ + u8 rsvd[3]; +}; + +/** + * Firmware memory page offsets + */ +#define BFI_IOC_SMEM_PG0_CB (0x40) +#define BFI_IOC_SMEM_PG0_CT (0x180) + +/** + * Firmware trace offset + */ +#define BFI_IOC_TRC_OFF (0x4b00) +#define BFI_IOC_TRC_ENTS 256 + +#define BFI_IOC_FW_SIGNATURE (0xbfadbfad) +#define BFI_IOC_MD5SUM_SZ 4 +struct bfi_ioc_image_hdr_s { + u32 signature; /* constant signature */ + u32 rsvd_a; + u32 exec; /* exec vector */ + u32 param; /* parameters */ + u32 rsvd_b[4]; + u32 md5sum[BFI_IOC_MD5SUM_SZ]; +}; + +/** + * BFI_IOC_I2H_READY_EVENT message + */ +struct bfi_ioc_rdy_event_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 init_status; /* init event status */ + u8 rsvd[3]; +}; + +struct bfi_ioc_hbeat_s { + struct bfi_mhdr_s mh; /* common msg header */ + u32 hb_count; /* current heart beat count */ +}; + +/** + * IOC hardware/firmware state + */ +enum bfi_ioc_state { + BFI_IOC_UNINIT = 0, /* not initialized */ + BFI_IOC_INITING = 1, /* h/w is being initialized */ + BFI_IOC_HWINIT = 2, /* h/w is initialized */ + BFI_IOC_CFG = 3, /* IOC configuration in progress */ + BFI_IOC_OP = 4, /* IOC is operational */ + BFI_IOC_DISABLING = 5, /* IOC is being disabled */ + BFI_IOC_DISABLED = 6, /* IOC is disabled */ + BFI_IOC_CFG_DISABLED = 7, /* IOC is being disabled;transient */ + BFI_IOC_HBFAIL = 8, /* IOC heart-beat failure */ + BFI_IOC_MEMTEST = 9, /* IOC is doing memtest */ +}; + +#define BFI_IOC_ENDIAN_SIG 0x12345678 + +enum { + BFI_ADAPTER_TYPE_FC = 0x01, /* FC adapters */ + BFI_ADAPTER_TYPE_MK = 0x0f0000, /* adapter type mask */ + BFI_ADAPTER_TYPE_SH = 16, /* adapter type shift */ + BFI_ADAPTER_NPORTS_MK = 0xff00, /* number of ports mask */ + BFI_ADAPTER_NPORTS_SH = 8, /* number of ports shift */ + BFI_ADAPTER_SPEED_MK = 0xff, /* adapter speed mask */ + BFI_ADAPTER_SPEED_SH = 0, /* adapter speed shift */ + BFI_ADAPTER_PROTO = 0x100000, /* prototype adapaters */ + BFI_ADAPTER_TTV = 0x200000, /* TTV debug capable */ + BFI_ADAPTER_UNSUPP = 0x400000, /* unknown adapter type */ +}; + +#define BFI_ADAPTER_GETP(__prop,__adap_prop) \ + (((__adap_prop) & BFI_ADAPTER_ ## __prop ## _MK) >> \ + BFI_ADAPTER_ ## __prop ## _SH) +#define BFI_ADAPTER_SETP(__prop, __val) \ + ((__val) << BFI_ADAPTER_ ## __prop ## _SH) +#define BFI_ADAPTER_IS_PROTO(__adap_type) \ + ((__adap_type) & BFI_ADAPTER_PROTO) +#define BFI_ADAPTER_IS_TTV(__adap_type) \ + ((__adap_type) & BFI_ADAPTER_TTV) +#define BFI_ADAPTER_IS_UNSUPP(__adap_type) \ + ((__adap_type) & BFI_ADAPTER_UNSUPP) +#define BFI_ADAPTER_IS_SPECIAL(__adap_type) \ + ((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO | \ + BFI_ADAPTER_UNSUPP)) + +/** + * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages + */ +struct bfi_ioc_ctrl_req_s { + struct bfi_mhdr_s mh; + u8 ioc_class; + u8 rsvd[3]; +}; + +/** + * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages + */ +struct bfi_ioc_ctrl_reply_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u8 status; /* enable/disable status */ + u8 rsvd[3]; +}; + +#define BFI_IOC_MSGSZ 8 +/** + * H2I Messages + */ +union bfi_ioc_h2i_msg_u { + struct bfi_mhdr_s mh; + struct bfi_ioc_ctrl_req_s enable_req; + struct bfi_ioc_ctrl_req_s disable_req; + struct bfi_ioc_getattr_req_s getattr_req; + u32 mboxmsg[BFI_IOC_MSGSZ]; +}; + +/** + * I2H Messages + */ +union bfi_ioc_i2h_msg_u { + struct bfi_mhdr_s mh; + struct bfi_ioc_rdy_event_s rdy_event; + u32 mboxmsg[BFI_IOC_MSGSZ]; +}; + +#pragma pack() + +#endif /* __BFI_IOC_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_iocfc.h b/drivers/scsi/bfa/include/bfi/bfi_iocfc.h new file mode 100644 index 000000000000..c3760df72575 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_iocfc.h @@ -0,0 +1,177 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_IOCFC_H__ +#define __BFI_IOCFC_H__ + +#include "bfi.h" +#include <defs/bfa_defs_ioc.h> +#include <defs/bfa_defs_iocfc.h> +#include <defs/bfa_defs_boot.h> + +#pragma pack(1) + +enum bfi_iocfc_h2i_msgs { + BFI_IOCFC_H2I_CFG_REQ = 1, + BFI_IOCFC_H2I_GET_STATS_REQ = 2, + BFI_IOCFC_H2I_CLEAR_STATS_REQ = 3, + BFI_IOCFC_H2I_SET_INTR_REQ = 4, + BFI_IOCFC_H2I_UPDATEQ_REQ = 5, +}; + +enum bfi_iocfc_i2h_msgs { + BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1), + BFI_IOCFC_I2H_GET_STATS_RSP = BFA_I2HM(2), + BFI_IOCFC_I2H_CLEAR_STATS_RSP = BFA_I2HM(3), + BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(5), +}; + +struct bfi_iocfc_cfg_s { + u8 num_cqs; /* Number of CQs to be used */ + u8 sense_buf_len; /* SCSI sense length */ + u8 trunk_enabled; /* port trunking enabled */ + u8 trunk_ports; /* trunk ports bit map */ + u32 endian_sig; /* endian signature of host */ + + /** + * Request and response circular queue base addresses, size and + * shadow index pointers. + */ + union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS]; + union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS]; + u16 req_cq_elems[BFI_IOC_MAX_CQS]; + union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS]; + union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS]; + u16 rsp_cq_elems[BFI_IOC_MAX_CQS]; + + union bfi_addr_u stats_addr; /* DMA-able address for stats */ + union bfi_addr_u cfgrsp_addr; /* config response dma address */ + union bfi_addr_u ioim_snsbase; /* IO sense buffer base address */ + struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */ +}; + +/** + * Boot target wwn information for this port. This contains either the stored + * or discovered boot target port wwns for the port. + */ +struct bfi_iocfc_bootwwns { + wwn_t wwn[BFA_BOOT_BOOTLUN_MAX]; + u8 nwwns; + u8 rsvd[7]; +}; + +struct bfi_iocfc_cfgrsp_s { + struct bfa_iocfc_fwcfg_s fwcfg; + struct bfa_iocfc_intr_attr_s intr_attr; + struct bfi_iocfc_bootwwns bootwwns; +}; + +/** + * BFI_IOCFC_H2I_CFG_REQ message + */ +struct bfi_iocfc_cfg_req_s { + struct bfi_mhdr_s mh; + union bfi_addr_u ioc_cfg_dma_addr; +}; + +/** + * BFI_IOCFC_I2H_CFG_REPLY message + */ +struct bfi_iocfc_cfg_reply_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u8 cfg_success; /* cfg reply status */ + u8 lpu_bm; /* LPUs assigned for this IOC */ + u8 rsvd[2]; +}; + +/** + * BFI_IOCFC_H2I_GET_STATS_REQ & BFI_IOCFC_H2I_CLEAR_STATS_REQ messages + */ +struct bfi_iocfc_stats_req_s { + struct bfi_mhdr_s mh; /* msg header */ + u32 msgtag; /* msgtag for reply */ +}; + +/** + * BFI_IOCFC_I2H_GET_STATS_RSP & BFI_IOCFC_I2H_CLEAR_STATS_RSP messages + */ +struct bfi_iocfc_stats_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 status; /* reply status */ + u8 rsvd[3]; + u32 msgtag; /* msgtag for reply */ +}; + +/** + * BFI_IOCFC_H2I_SET_INTR_REQ message + */ +struct bfi_iocfc_set_intr_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 coalesce; /* enable intr coalescing*/ + u8 rsvd[3]; + u16 delay; /* delay timer 0..1125us */ + u16 latency; /* latency timer 0..225us */ +}; + +/** + * BFI_IOCFC_H2I_UPDATEQ_REQ message + */ +struct bfi_iocfc_updateq_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u32 reqq_ba; /* reqq base addr */ + u32 rspq_ba; /* rspq base addr */ + u32 reqq_sci; /* reqq shadow ci */ + u32 rspq_spi; /* rspq shadow pi */ +}; + +/** + * BFI_IOCFC_I2H_UPDATEQ_RSP message + */ +struct bfi_iocfc_updateq_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 status; /* updateq status */ + u8 rsvd[3]; +}; + +/** + * H2I Messages + */ +union bfi_iocfc_h2i_msg_u { + struct bfi_mhdr_s mh; + struct bfi_iocfc_cfg_req_s cfg_req; + struct bfi_iocfc_stats_req_s stats_get; + struct bfi_iocfc_stats_req_s stats_clr; + struct bfi_iocfc_updateq_req_s updateq_req; + u32 mboxmsg[BFI_IOC_MSGSZ]; +}; + +/** + * I2H Messages + */ +union bfi_iocfc_i2h_msg_u { + struct bfi_mhdr_s mh; + struct bfi_iocfc_cfg_reply_s cfg_reply; + struct bfi_iocfc_stats_rsp_s stats_get_rsp; + struct bfi_iocfc_stats_rsp_s stats_clr_rsp; + struct bfi_iocfc_updateq_rsp_s updateq_rsp; + u32 mboxmsg[BFI_IOC_MSGSZ]; +}; + +#pragma pack() + +#endif /* __BFI_IOCFC_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_lport.h b/drivers/scsi/bfa/include/bfi/bfi_lport.h new file mode 100644 index 000000000000..29010614bac9 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_lport.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_LPORT_H__ +#define __BFI_LPORT_H__ + +#include <bfi/bfi.h> + +#pragma pack(1) + +enum bfi_lport_h2i_msgs { + BFI_LPORT_H2I_CREATE_REQ = 1, + BFI_LPORT_H2I_DELETE_REQ = 2, +}; + +enum bfi_lport_i2h_msgs { + BFI_LPORT_I2H_CREATE_RSP = BFA_I2HM(1), + BFI_LPORT_I2H_DELETE_RSP = BFA_I2HM(2), + BFI_LPORT_I2H_ONLINE = BFA_I2HM(3), + BFI_LPORT_I2H_OFFLINE = BFA_I2HM(4), +}; + +#define BFI_LPORT_MAX_SYNNAME 64 + +enum bfi_lport_role_e { + BFI_LPORT_ROLE_FCPIM = 1, + BFI_LPORT_ROLE_FCPTM = 2, + BFI_LPORT_ROLE_IPFC = 4, +}; + +struct bfi_lport_create_req_s { + bfi_mhdr_t mh; /* common msg header */ + u16 fabric_fwhdl; /* parent fabric instance */ + u8 roles; /* lport FC-4 roles */ + u8 rsvd; + wwn_t pwwn; /* port name */ + wwn_t nwwn; /* node name */ + u8 symname[BFI_LPORT_MAX_SYNNAME]; +}; + +struct bfi_lport_create_rsp_s { + bfi_mhdr_t mh; /* common msg header */ + u8 status; /* lport creation status */ + u8 rsvd[3]; +}; + +struct bfi_lport_delete_req_s { + bfi_mhdr_t mh; /* common msg header */ + u16 fw_handle; /* firmware lport handle */ + u16 rsvd; +}; + +struct bfi_lport_delete_rsp_s { + bfi_mhdr_t mh; /* common msg header */ + u16 bfa_handle; /* host lport handle */ + u8 status; /* lport deletion status */ + u8 rsvd; +}; + +union bfi_lport_h2i_msg_u { + bfi_msg_t *msg; + struct bfi_lport_create_req_s *create_req; + struct bfi_lport_delete_req_s *delete_req; +}; + +union bfi_lport_i2h_msg_u { + bfi_msg_t *msg; + struct bfi_lport_create_rsp_s *create_rsp; + struct bfi_lport_delete_rsp_s *delete_rsp; +}; + +#pragma pack() + +#endif /* __BFI_LPORT_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_lps.h b/drivers/scsi/bfa/include/bfi/bfi_lps.h new file mode 100644 index 000000000000..414b0e30f6ef --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_lps.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_LPS_H__ +#define __BFI_LPS_H__ + +#include <bfi/bfi.h> + +#pragma pack(1) + +enum bfi_lps_h2i_msgs { + BFI_LPS_H2I_LOGIN_REQ = 1, + BFI_LPS_H2I_LOGOUT_REQ = 2, +}; + +enum bfi_lps_i2h_msgs { + BFI_LPS_H2I_LOGIN_RSP = BFA_I2HM(1), + BFI_LPS_H2I_LOGOUT_RSP = BFA_I2HM(2), +}; + +struct bfi_lps_login_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 lp_tag; + u8 alpa; + u16 pdu_size; + wwn_t pwwn; + wwn_t nwwn; + u8 fdisc; + u8 auth_en; + u8 rsvd[2]; +}; + +struct bfi_lps_login_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 lp_tag; + u8 status; + u8 lsrjt_rsn; + u8 lsrjt_expl; + wwn_t port_name; + wwn_t node_name; + u16 bb_credit; + u8 f_port; + u8 npiv_en; + u32 lp_pid : 24; + u32 auth_req : 8; + mac_t lp_mac; + mac_t fcf_mac; + u8 ext_status; + u8 brcd_switch;/* attached peer is brcd switch */ +}; + +struct bfi_lps_logout_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 lp_tag; + u8 rsvd[3]; + wwn_t port_name; +}; + +struct bfi_lps_logout_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 lp_tag; + u8 status; + u8 rsvd[2]; +}; + +union bfi_lps_h2i_msg_u { + struct bfi_mhdr_s *msg; + struct bfi_lps_login_req_s *login_req; + struct bfi_lps_logout_req_s *logout_req; +}; + +union bfi_lps_i2h_msg_u { + struct bfi_msg_s *msg; + struct bfi_lps_login_rsp_s *login_rsp; + struct bfi_lps_logout_rsp_s *logout_rsp; +}; + +#pragma pack() + +#endif /* __BFI_LPS_H__ */ + + diff --git a/drivers/scsi/bfa/include/bfi/bfi_port.h b/drivers/scsi/bfa/include/bfi/bfi_port.h new file mode 100644 index 000000000000..3ec3bea110ba --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_port.h @@ -0,0 +1,115 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFI_PORT_H__ +#define __BFI_PORT_H__ + +#include <bfi/bfi.h> +#include <defs/bfa_defs_pport.h> + +#pragma pack(1) + +enum bfi_port_h2i { + BFI_PORT_H2I_ENABLE_REQ = (1), + BFI_PORT_H2I_DISABLE_REQ = (2), + BFI_PORT_H2I_GET_STATS_REQ = (3), + BFI_PORT_H2I_CLEAR_STATS_REQ = (4), +}; + +enum bfi_port_i2h { + BFI_PORT_I2H_ENABLE_RSP = BFA_I2HM(1), + BFI_PORT_I2H_DISABLE_RSP = BFA_I2HM(2), + BFI_PORT_I2H_GET_STATS_RSP = BFA_I2HM(3), + BFI_PORT_I2H_CLEAR_STATS_RSP = BFA_I2HM(4), +}; + +/** + * Generic REQ type + */ +struct bfi_port_generic_req_s { + struct bfi_mhdr_s mh; /* msg header */ + u32 msgtag; /* msgtag for reply */ + u32 rsvd; +}; + +/** + * Generic RSP type + */ +struct bfi_port_generic_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 status; /* port enable status */ + u8 rsvd[3]; + u32 msgtag; /* msgtag for reply */ +}; + +/** + * @todo + * BFI_PORT_H2I_ENABLE_REQ + */ + +/** + * @todo + * BFI_PORT_I2H_ENABLE_RSP + */ + +/** + * BFI_PORT_H2I_DISABLE_REQ + */ + +/** + * BFI_PORT_I2H_DISABLE_RSP + */ + +/** + * BFI_PORT_H2I_GET_STATS_REQ + */ +struct bfi_port_get_stats_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + union bfi_addr_u dma_addr; +}; + +/** + * BFI_PORT_I2H_GET_STATS_RSP + */ + +/** + * BFI_PORT_H2I_CLEAR_STATS_REQ + */ + +/** + * BFI_PORT_I2H_CLEAR_STATS_RSP + */ + +union bfi_port_h2i_msg_u { + struct bfi_mhdr_s mh; + struct bfi_port_generic_req_s enable_req; + struct bfi_port_generic_req_s disable_req; + struct bfi_port_get_stats_req_s getstats_req; + struct bfi_port_generic_req_s clearstats_req; +}; + +union bfi_port_i2h_msg_u { + struct bfi_mhdr_s mh; + struct bfi_port_generic_rsp_s enable_rsp; + struct bfi_port_generic_rsp_s disable_rsp; + struct bfi_port_generic_rsp_s getstats_rsp; + struct bfi_port_generic_rsp_s clearstats_rsp; +}; + +#pragma pack() + +#endif /* __BFI_PORT_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_pport.h b/drivers/scsi/bfa/include/bfi/bfi_pport.h new file mode 100644 index 000000000000..c96d246851af --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_pport.h @@ -0,0 +1,184 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFI_PPORT_H__ +#define __BFI_PPORT_H__ + +#include <bfi/bfi.h> +#include <defs/bfa_defs_pport.h> + +#pragma pack(1) + +enum bfi_pport_h2i { + BFI_PPORT_H2I_ENABLE_REQ = (1), + BFI_PPORT_H2I_DISABLE_REQ = (2), + BFI_PPORT_H2I_GET_STATS_REQ = (3), + BFI_PPORT_H2I_CLEAR_STATS_REQ = (4), + BFI_PPORT_H2I_SET_SVC_PARAMS_REQ = (5), + BFI_PPORT_H2I_ENABLE_RX_VF_TAG_REQ = (6), + BFI_PPORT_H2I_ENABLE_TX_VF_TAG_REQ = (7), + BFI_PPORT_H2I_GET_QOS_STATS_REQ = (8), + BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ = (9), +}; + +enum bfi_pport_i2h { + BFI_PPORT_I2H_ENABLE_RSP = BFA_I2HM(1), + BFI_PPORT_I2H_DISABLE_RSP = BFA_I2HM(2), + BFI_PPORT_I2H_GET_STATS_RSP = BFA_I2HM(3), + BFI_PPORT_I2H_CLEAR_STATS_RSP = BFA_I2HM(4), + BFI_PPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(5), + BFI_PPORT_I2H_ENABLE_RX_VF_TAG_RSP = BFA_I2HM(6), + BFI_PPORT_I2H_ENABLE_TX_VF_TAG_RSP = BFA_I2HM(7), + BFI_PPORT_I2H_EVENT = BFA_I2HM(8), + BFI_PPORT_I2H_GET_QOS_STATS_RSP = BFA_I2HM(9), + BFI_PPORT_I2H_CLEAR_QOS_STATS_RSP = BFA_I2HM(10), +}; + +/** + * Generic REQ type + */ +struct bfi_pport_generic_req_s { + struct bfi_mhdr_s mh; /* msg header */ + u32 msgtag; /* msgtag for reply */ +}; + +/** + * Generic RSP type + */ +struct bfi_pport_generic_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 status; /* port enable status */ + u8 rsvd[3]; + u32 msgtag; /* msgtag for reply */ +}; + +/** + * BFI_PPORT_H2I_ENABLE_REQ + */ +struct bfi_pport_enable_req_s { + struct bfi_mhdr_s mh; /* msg header */ + u32 rsvd1; + wwn_t nwwn; /* node wwn of physical port */ + wwn_t pwwn; /* port wwn of physical port */ + struct bfa_pport_cfg_s port_cfg; /* port configuration */ + union bfi_addr_u stats_dma_addr; /* DMA address for stats */ + u32 msgtag; /* msgtag for reply */ + u32 rsvd2; +}; + +/** + * BFI_PPORT_I2H_ENABLE_RSP + */ +#define bfi_pport_enable_rsp_t struct bfi_pport_generic_rsp_s + +/** + * BFI_PPORT_H2I_DISABLE_REQ + */ +#define bfi_pport_disable_req_t struct bfi_pport_generic_req_s + +/** + * BFI_PPORT_I2H_DISABLE_RSP + */ +#define bfi_pport_disable_rsp_t struct bfi_pport_generic_rsp_s + +/** + * BFI_PPORT_H2I_GET_STATS_REQ + */ +#define bfi_pport_get_stats_req_t struct bfi_pport_generic_req_s + +/** + * BFI_PPORT_I2H_GET_STATS_RSP + */ +#define bfi_pport_get_stats_rsp_t struct bfi_pport_generic_rsp_s + +/** + * BFI_PPORT_H2I_CLEAR_STATS_REQ + */ +#define bfi_pport_clear_stats_req_t struct bfi_pport_generic_req_s + +/** + * BFI_PPORT_I2H_CLEAR_STATS_RSP + */ +#define bfi_pport_clear_stats_rsp_t struct bfi_pport_generic_rsp_s + +/** + * BFI_PPORT_H2I_GET_QOS_STATS_REQ + */ +#define bfi_pport_get_qos_stats_req_t struct bfi_pport_generic_req_s + +/** + * BFI_PPORT_H2I_GET_QOS_STATS_RSP + */ +#define bfi_pport_get_qos_stats_rsp_t struct bfi_pport_generic_rsp_s + +/** + * BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ + */ +#define bfi_pport_clear_qos_stats_req_t struct bfi_pport_generic_req_s + +/** + * BFI_PPORT_H2I_CLEAR_QOS_STATS_RSP + */ +#define bfi_pport_clear_qos_stats_rsp_t struct bfi_pport_generic_rsp_s + +/** + * BFI_PPORT_H2I_SET_SVC_PARAMS_REQ + */ +struct bfi_pport_set_svc_params_req_s { + struct bfi_mhdr_s mh; /* msg header */ + u16 tx_bbcredit; /* Tx credits */ + u16 rsvd; +}; + +/** + * BFI_PPORT_I2H_SET_SVC_PARAMS_RSP + */ + +/** + * BFI_PPORT_I2H_EVENT + */ +struct bfi_pport_event_s { + struct bfi_mhdr_s mh; /* common msg header */ + struct bfa_pport_link_s link_state; +}; + +union bfi_pport_h2i_msg_u { + struct bfi_mhdr_s *mhdr; + struct bfi_pport_enable_req_s *penable; + struct bfi_pport_generic_req_s *pdisable; + struct bfi_pport_generic_req_s *pgetstats; + struct bfi_pport_generic_req_s *pclearstats; + struct bfi_pport_set_svc_params_req_s *psetsvcparams; + struct bfi_pport_get_qos_stats_req_s *pgetqosstats; + struct bfi_pport_generic_req_s *pclearqosstats; +}; + +union bfi_pport_i2h_msg_u { + struct bfi_msg_s *msg; + struct bfi_pport_generic_rsp_s *enable_rsp; + struct bfi_pport_disable_rsp_s *disable_rsp; + struct bfi_pport_generic_rsp_s *getstats_rsp; + struct bfi_pport_clear_stats_rsp_s *clearstats_rsp; + struct bfi_pport_set_svc_params_rsp_s *setsvcparasm_rsp; + struct bfi_pport_get_qos_stats_rsp_s *getqosstats_rsp; + struct bfi_pport_clear_qos_stats_rsp_s *clearqosstats_rsp; + struct bfi_pport_event_s *event; +}; + +#pragma pack() + +#endif /* __BFI_PPORT_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_rport.h b/drivers/scsi/bfa/include/bfi/bfi_rport.h new file mode 100644 index 000000000000..3520f55f09d7 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_rport.h @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_RPORT_H__ +#define __BFI_RPORT_H__ + +#include <bfi/bfi.h> + +#pragma pack(1) + +enum bfi_rport_h2i_msgs { + BFI_RPORT_H2I_CREATE_REQ = 1, + BFI_RPORT_H2I_DELETE_REQ = 2, + BFI_RPORT_H2I_SET_SPEED_REQ = 3, +}; + +enum bfi_rport_i2h_msgs { + BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1), + BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2), + BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3), +}; + +struct bfi_rport_create_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 bfa_handle; /* host rport handle */ + u16 max_frmsz; /* max rcv pdu size */ + u32 pid : 24, /* remote port ID */ + lp_tag : 8; /* local port tag */ + u32 local_pid : 24, /* local port ID */ + cisc : 8; + u8 fc_class; /* supported FC classes */ + u8 vf_en; /* virtual fabric enable */ + u16 vf_id; /* virtual fabric ID */ +}; + +struct bfi_rport_create_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 status; /* rport creation status */ + u8 rsvd[3]; + u16 bfa_handle; /* host rport handle */ + u16 fw_handle; /* firmware rport handle */ + struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */ +}; + +struct bfa_rport_speed_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 fw_handle; /* firmware rport handle */ + u8 speed; /*! rport's speed via RPSC */ + u8 rsvd; +}; + +struct bfi_rport_delete_req_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 fw_handle; /* firmware rport handle */ + u16 rsvd; +}; + +struct bfi_rport_delete_rsp_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 bfa_handle; /* host rport handle */ + u8 status; /* rport deletion status */ + u8 rsvd; +}; + +struct bfi_rport_qos_scn_s { + struct bfi_mhdr_s mh; /* common msg header */ + u16 bfa_handle; /* host rport handle */ + u16 rsvd; + struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */ + struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */ +}; + +union bfi_rport_h2i_msg_u { + struct bfi_msg_s *msg; + struct bfi_rport_create_req_s *create_req; + struct bfi_rport_delete_req_s *delete_req; + struct bfi_rport_speed_req_s *speed_req; +}; + +union bfi_rport_i2h_msg_u { + struct bfi_msg_s *msg; + struct bfi_rport_create_rsp_s *create_rsp; + struct bfi_rport_delete_rsp_s *delete_rsp; + struct bfi_rport_qos_scn_s *qos_scn_evt; +}; + +#pragma pack() + +#endif /* __BFI_RPORT_H__ */ + diff --git a/drivers/scsi/bfa/include/bfi/bfi_uf.h b/drivers/scsi/bfa/include/bfi/bfi_uf.h new file mode 100644 index 000000000000..f328a9e7e622 --- /dev/null +++ b/drivers/scsi/bfa/include/bfi/bfi_uf.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFI_UF_H__ +#define __BFI_UF_H__ + +#include "bfi.h" + +#pragma pack(1) + +enum bfi_uf_h2i { + BFI_UF_H2I_BUF_POST = 1, +}; + +enum bfi_uf_i2h { + BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1), +}; + +#define BFA_UF_MAX_SGES 2 + +struct bfi_uf_buf_post_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 buf_tag; /* buffer tag */ + u16 buf_len; /* total buffer length */ + struct bfi_sge_s sge[BFA_UF_MAX_SGES]; /* buffer DMA SGEs */ +}; + +struct bfi_uf_frm_rcvd_s { + struct bfi_mhdr_s mh; /* Common msg header */ + u16 buf_tag; /* buffer tag */ + u16 rsvd; + u16 frm_len; /* received frame length */ + u16 xfr_len; /* tranferred length */ +}; + +#pragma pack() + +#endif /* __BFI_UF_H__ */ diff --git a/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h b/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h new file mode 100644 index 000000000000..43ba7064e81a --- /dev/null +++ b/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_cna_trcmod.h CNA trace modules + */ + +#ifndef __BFA_CNA_TRCMOD_H__ +#define __BFA_CNA_TRCMOD_H__ + +#include <cs/bfa_trc.h> + +/* + * !!! Only append to the enums defined here to avoid any versioning + * !!! needed between trace utility and driver version + */ +enum { + BFA_TRC_CNA_CEE = 1, + BFA_TRC_CNA_PORT = 2, +}; + +#endif /* __BFA_CNA_TRCMOD_H__ */ diff --git a/drivers/scsi/bfa/include/cna/cee/bfa_cee.h b/drivers/scsi/bfa/include/cna/cee/bfa_cee.h new file mode 100644 index 000000000000..77f297f68046 --- /dev/null +++ b/drivers/scsi/bfa/include/cna/cee/bfa_cee.h @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_CEE_H__ +#define __BFA_CEE_H__ + +#include <defs/bfa_defs_cee.h> +#include <bfa_ioc.h> +#include <cs/bfa_trc.h> +#include <cs/bfa_log.h> + +typedef void (*bfa_cee_get_attr_cbfn_t) (void *dev, bfa_status_t status); +typedef void (*bfa_cee_get_stats_cbfn_t) (void *dev, bfa_status_t status); +typedef void (*bfa_cee_reset_stats_cbfn_t) (void *dev, bfa_status_t status); +typedef void (*bfa_cee_hbfail_cbfn_t) (void *dev, bfa_status_t status); + +struct bfa_cee_cbfn_s { + bfa_cee_get_attr_cbfn_t get_attr_cbfn; + void *get_attr_cbarg; + bfa_cee_get_stats_cbfn_t get_stats_cbfn; + void *get_stats_cbarg; + bfa_cee_reset_stats_cbfn_t reset_stats_cbfn; + void *reset_stats_cbarg; +}; + +struct bfa_cee_s { + void *dev; + bfa_boolean_t get_attr_pending; + bfa_boolean_t get_stats_pending; + bfa_boolean_t reset_stats_pending; + bfa_status_t get_attr_status; + bfa_status_t get_stats_status; + bfa_status_t reset_stats_status; + struct bfa_cee_cbfn_s cbfn; + struct bfa_ioc_hbfail_notify_s hbfail; + struct bfa_trc_mod_s *trcmod; + struct bfa_log_mod_s *logmod; + struct bfa_cee_attr_s *attr; + struct bfa_cee_stats_s *stats; + struct bfa_dma_s attr_dma; + struct bfa_dma_s stats_dma; + struct bfa_ioc_s *ioc; + struct bfa_mbox_cmd_s get_cfg_mb; + struct bfa_mbox_cmd_s get_stats_mb; + struct bfa_mbox_cmd_s reset_stats_mb; +}; + +u32 bfa_cee_meminfo(void); +void bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, + u64 dma_pa); +void bfa_cee_attach(struct bfa_cee_s *cee, struct bfa_ioc_s *ioc, void *dev, + struct bfa_trc_mod_s *trcmod, + struct bfa_log_mod_s *logmod); +void bfa_cee_detach(struct bfa_cee_s *cee); +bfa_status_t bfa_cee_get_attr(struct bfa_cee_s *cee, + struct bfa_cee_attr_s *attr, + bfa_cee_get_attr_cbfn_t cbfn, void *cbarg); +bfa_status_t bfa_cee_get_stats(struct bfa_cee_s *cee, + struct bfa_cee_stats_s *stats, + bfa_cee_get_stats_cbfn_t cbfn, void *cbarg); +bfa_status_t bfa_cee_reset_stats(struct bfa_cee_s *cee, + bfa_cee_reset_stats_cbfn_t cbfn, void *cbarg); +#endif /* __BFA_CEE_H__ */ diff --git a/drivers/scsi/bfa/include/cna/port/bfa_port.h b/drivers/scsi/bfa/include/cna/port/bfa_port.h new file mode 100644 index 000000000000..7cbf17d3141b --- /dev/null +++ b/drivers/scsi/bfa/include/cna/port/bfa_port.h @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_PORT_H__ +#define __BFA_PORT_H__ + +#include <defs/bfa_defs_port.h> +#include <bfa_ioc.h> +#include <cs/bfa_trc.h> +#include <cs/bfa_log.h> + +typedef void (*bfa_port_stats_cbfn_t) (void *dev, bfa_status_t status); +typedef void (*bfa_port_endis_cbfn_t) (void *dev, bfa_status_t status); + +struct bfa_port_s { + void *dev; + struct bfa_ioc_s *ioc; + struct bfa_trc_mod_s *trcmod; + struct bfa_log_mod_s *logmod; + u32 msgtag; + bfa_boolean_t stats_busy; + struct bfa_mbox_cmd_s stats_mb; + bfa_port_stats_cbfn_t stats_cbfn; + void *stats_cbarg; + bfa_status_t stats_status; + union bfa_pport_stats_u *stats; + struct bfa_dma_s stats_dma; + bfa_boolean_t endis_pending; + struct bfa_mbox_cmd_s endis_mb; + bfa_port_endis_cbfn_t endis_cbfn; + void *endis_cbarg; + bfa_status_t endis_status; + struct bfa_ioc_hbfail_notify_s hbfail; +}; + +void bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, + void *dev, struct bfa_trc_mod_s *trcmod, + struct bfa_log_mod_s *logmod); +void bfa_port_detach(struct bfa_port_s *port); +void bfa_port_hbfail(void *arg); + +bfa_status_t bfa_port_get_stats(struct bfa_port_s *port, + union bfa_pport_stats_u *stats, + bfa_port_stats_cbfn_t cbfn, void *cbarg); +bfa_status_t bfa_port_clear_stats(struct bfa_port_s *port, + bfa_port_stats_cbfn_t cbfn, void *cbarg); +bfa_status_t bfa_port_enable(struct bfa_port_s *port, + bfa_port_endis_cbfn_t cbfn, void *cbarg); +bfa_status_t bfa_port_disable(struct bfa_port_s *port, + bfa_port_endis_cbfn_t cbfn, void *cbarg); +u32 bfa_port_meminfo(void); +void bfa_port_mem_claim(struct bfa_port_s *port, u8 *dma_kva, + u64 dma_pa); + +#endif /* __BFA_PORT_H__ */ diff --git a/drivers/scsi/bfa/include/cna/pstats/ethport_defs.h b/drivers/scsi/bfa/include/cna/pstats/ethport_defs.h new file mode 100644 index 000000000000..1563ee512218 --- /dev/null +++ b/drivers/scsi/bfa/include/cna/pstats/ethport_defs.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved. + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __ETHPORT_DEFS_H__ +#define __ETHPORT_DEFS_H__ + +struct bnad_drv_stats { + u64 netif_queue_stop; + u64 netif_queue_wakeup; + u64 tso4; + u64 tso6; + u64 tso_err; + u64 tcpcsum_offload; + u64 udpcsum_offload; + u64 csum_help; + u64 csum_help_err; + + u64 hw_stats_updates; + u64 netif_rx_schedule; + u64 netif_rx_complete; + u64 netif_rx_dropped; +}; +#endif diff --git a/drivers/scsi/bfa/include/cna/pstats/phyport_defs.h b/drivers/scsi/bfa/include/cna/pstats/phyport_defs.h new file mode 100644 index 000000000000..eb7548030d0f --- /dev/null +++ b/drivers/scsi/bfa/include/cna/pstats/phyport_defs.h @@ -0,0 +1,218 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved. + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __PHYPORT_DEFS_H__ +#define __PHYPORT_DEFS_H__ + +#define BNA_TXF_ID_MAX 64 +#define BNA_RXF_ID_MAX 64 + +/* + * Statistics + */ + +/* + * TxF Frame Statistics + */ +struct bna_stats_txf { + u64 ucast_octets; + u64 ucast; + u64 ucast_vlan; + + u64 mcast_octets; + u64 mcast; + u64 mcast_vlan; + + u64 bcast_octets; + u64 bcast; + u64 bcast_vlan; + + u64 errors; + u64 filter_vlan; /* frames filtered due to VLAN */ + u64 filter_mac_sa; /* frames filtered due to SA check */ +}; + +/* + * RxF Frame Statistics + */ +struct bna_stats_rxf { + u64 ucast_octets; + u64 ucast; + u64 ucast_vlan; + + u64 mcast_octets; + u64 mcast; + u64 mcast_vlan; + + u64 bcast_octets; + u64 bcast; + u64 bcast_vlan; + u64 frame_drops; +}; + +/* + * FC Tx Frame Statistics + */ +struct bna_stats_fc_tx { + u64 txf_ucast_octets; + u64 txf_ucast; + u64 txf_ucast_vlan; + + u64 txf_mcast_octets; + u64 txf_mcast; + u64 txf_mcast_vlan; + + u64 txf_bcast_octets; + u64 txf_bcast; + u64 txf_bcast_vlan; + + u64 txf_parity_errors; + u64 txf_timeout; + u64 txf_fid_parity_errors; +}; + +/* + * FC Rx Frame Statistics + */ +struct bna_stats_fc_rx { + u64 rxf_ucast_octets; + u64 rxf_ucast; + u64 rxf_ucast_vlan; + + u64 rxf_mcast_octets; + u64 rxf_mcast; + u64 rxf_mcast_vlan; + + u64 rxf_bcast_octets; + u64 rxf_bcast; + u64 rxf_bcast_vlan; +}; + +/* + * RAD Frame Statistics + */ +struct cna_stats_rad { + u64 rx_frames; + u64 rx_octets; + u64 rx_vlan_frames; + + u64 rx_ucast; + u64 rx_ucast_octets; + u64 rx_ucast_vlan; + + u64 rx_mcast; + u64 rx_mcast_octets; + u64 rx_mcast_vlan; + + u64 rx_bcast; + u64 rx_bcast_octets; + u64 rx_bcast_vlan; + + u64 rx_drops; +}; + +/* + * BPC Tx Registers + */ +struct cna_stats_bpc_tx { + u64 tx_pause[8]; + u64 tx_zero_pause[8]; /* Pause cancellation */ + u64 tx_first_pause[8]; /* Pause initiation rather + *than retention */ +}; + +/* + * BPC Rx Registers + */ +struct cna_stats_bpc_rx { + u64 rx_pause[8]; + u64 rx_zero_pause[8]; /* Pause cancellation */ + u64 rx_first_pause[8]; /* Pause initiation rather + *than retention */ +}; + +/* + * MAC Rx Statistics + */ +struct cna_stats_mac_rx { + u64 frame_64; /* both rx and tx counter */ + u64 frame_65_127; /* both rx and tx counter */ + u64 frame_128_255; /* both rx and tx counter */ + u64 frame_256_511; /* both rx and tx counter */ + u64 frame_512_1023; /* both rx and tx counter */ + u64 frame_1024_1518; /* both rx and tx counter */ + u64 frame_1518_1522; /* both rx and tx counter */ + u64 rx_bytes; + u64 rx_packets; + u64 rx_fcs_error; + u64 rx_multicast; + u64 rx_broadcast; + u64 rx_control_frames; + u64 rx_pause; + u64 rx_unknown_opcode; + u64 rx_alignment_error; + u64 rx_frame_length_error; + u64 rx_code_error; + u64 rx_carrier_sense_error; + u64 rx_undersize; + u64 rx_oversize; + u64 rx_fragments; + u64 rx_jabber; + u64 rx_drop; +}; + +/* + * MAC Tx Statistics + */ +struct cna_stats_mac_tx { + u64 tx_bytes; + u64 tx_packets; + u64 tx_multicast; + u64 tx_broadcast; + u64 tx_pause; + u64 tx_deferral; + u64 tx_excessive_deferral; + u64 tx_single_collision; + u64 tx_muliple_collision; + u64 tx_late_collision; + u64 tx_excessive_collision; + u64 tx_total_collision; + u64 tx_pause_honored; + u64 tx_drop; + u64 tx_jabber; + u64 tx_fcs_error; + u64 tx_control_frame; + u64 tx_oversize; + u64 tx_undersize; + u64 tx_fragments; +}; + +/* + * Complete statistics + */ +struct bna_stats { + struct cna_stats_mac_rx mac_rx_stats; + struct cna_stats_bpc_rx bpc_rx_stats; + struct cna_stats_rad rad_stats; + struct bna_stats_fc_rx fc_rx_stats; + struct cna_stats_mac_tx mac_tx_stats; + struct cna_stats_bpc_tx bpc_tx_stats; + struct bna_stats_fc_tx fc_tx_stats; + struct bna_stats_rxf rxf_stats[BNA_TXF_ID_MAX]; + struct bna_stats_txf txf_stats[BNA_RXF_ID_MAX]; +}; + +#endif diff --git a/drivers/scsi/bfa/include/cs/bfa_checksum.h b/drivers/scsi/bfa/include/cs/bfa_checksum.h new file mode 100644 index 000000000000..af8c1d533ba8 --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_checksum.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_checksum.h BFA checksum utilities + */ + +#ifndef __BFA_CHECKSUM_H__ +#define __BFA_CHECKSUM_H__ + +static inline u32 +bfa_checksum_u32(u32 *buf, int sz) +{ + int i, m = sz >> 2; + u32 sum = 0; + + for (i = 0; i < m; i++) + sum ^= buf[i]; + + return (sum); +} + +static inline u16 +bfa_checksum_u16(u16 *buf, int sz) +{ + int i, m = sz >> 1; + u16 sum = 0; + + for (i = 0; i < m; i++) + sum ^= buf[i]; + + return (sum); +} + +static inline u8 +bfa_checksum_u8(u8 *buf, int sz) +{ + int i; + u8 sum = 0; + + for (i = 0; i < sz; i++) + sum ^= buf[i]; + + return (sum); +} +#endif diff --git a/drivers/scsi/bfa/include/cs/bfa_debug.h b/drivers/scsi/bfa/include/cs/bfa_debug.h new file mode 100644 index 000000000000..441be86b1b0f --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_debug.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_debug.h BFA debug interfaces + */ + +#ifndef __BFA_DEBUG_H__ +#define __BFA_DEBUG_H__ + +#define bfa_assert(__cond) do { \ + if (!(__cond)) \ + bfa_panic(__LINE__, __FILE__, #__cond); \ +} while (0) + +#define bfa_sm_fault(__mod, __event) do { \ + bfa_sm_panic((__mod)->logm, __LINE__, __FILE__, __event); \ +} while (0) + +#ifndef BFA_PERF_BUILD +#define bfa_assert_fp(__cond) bfa_assert(__cond) +#else +#define bfa_assert_fp(__cond) +#endif + +struct bfa_log_mod_s; +void bfa_panic(int line, char *file, char *panicstr); +void bfa_sm_panic(struct bfa_log_mod_s *logm, int line, char *file, int event); + +#endif /* __BFA_DEBUG_H__ */ diff --git a/drivers/scsi/bfa/include/cs/bfa_log.h b/drivers/scsi/bfa/include/cs/bfa_log.h new file mode 100644 index 000000000000..761cbe22130a --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_log.h @@ -0,0 +1,184 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_log.h BFA log library data structure and function definition + */ + +#ifndef __BFA_LOG_H__ +#define __BFA_LOG_H__ + +#include <bfa_os_inc.h> +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_aen.h> + +/* + * BFA log module definition + * + * To create a new module id: + * Add a #define at the end of the list below. Select a value for your + * definition so that it is one (1) greater than the previous + * definition. Modify the definition of BFA_LOG_MODULE_ID_MAX to become + * your new definition. + * Should have no gaps in between the values because this is used in arrays. + * IMPORTANT: AEN_IDs must be at the begining, otherwise update bfa_defs_aen.h + */ + +enum bfa_log_module_id { + BFA_LOG_UNUSED_ID = 0, + + /* AEN defs begin */ + BFA_LOG_AEN_MIN = BFA_LOG_UNUSED_ID, + + BFA_LOG_AEN_ID_ADAPTER = BFA_LOG_AEN_MIN + BFA_AEN_CAT_ADAPTER,/* 1 */ + BFA_LOG_AEN_ID_PORT = BFA_LOG_AEN_MIN + BFA_AEN_CAT_PORT, /* 2 */ + BFA_LOG_AEN_ID_LPORT = BFA_LOG_AEN_MIN + BFA_AEN_CAT_LPORT, /* 3 */ + BFA_LOG_AEN_ID_RPORT = BFA_LOG_AEN_MIN + BFA_AEN_CAT_RPORT, /* 4 */ + BFA_LOG_AEN_ID_ITNIM = BFA_LOG_AEN_MIN + BFA_AEN_CAT_ITNIM, /* 5 */ + BFA_LOG_AEN_ID_TIN = BFA_LOG_AEN_MIN + BFA_AEN_CAT_TIN, /* 6 */ + BFA_LOG_AEN_ID_IPFC = BFA_LOG_AEN_MIN + BFA_AEN_CAT_IPFC, /* 7 */ + BFA_LOG_AEN_ID_AUDIT = BFA_LOG_AEN_MIN + BFA_AEN_CAT_AUDIT, /* 8 */ + BFA_LOG_AEN_ID_IOC = BFA_LOG_AEN_MIN + BFA_AEN_CAT_IOC, /* 9 */ + BFA_LOG_AEN_ID_ETHPORT = BFA_LOG_AEN_MIN + BFA_AEN_CAT_ETHPORT,/* 10 */ + + BFA_LOG_AEN_MAX = BFA_LOG_AEN_ID_ETHPORT, + /* AEN defs end */ + + BFA_LOG_MODULE_ID_MIN = BFA_LOG_AEN_MAX, + + BFA_LOG_FW_ID = BFA_LOG_MODULE_ID_MIN + 1, + BFA_LOG_HAL_ID = BFA_LOG_MODULE_ID_MIN + 2, + BFA_LOG_FCS_ID = BFA_LOG_MODULE_ID_MIN + 3, + BFA_LOG_WDRV_ID = BFA_LOG_MODULE_ID_MIN + 4, + BFA_LOG_LINUX_ID = BFA_LOG_MODULE_ID_MIN + 5, + BFA_LOG_SOLARIS_ID = BFA_LOG_MODULE_ID_MIN + 6, + + BFA_LOG_MODULE_ID_MAX = BFA_LOG_SOLARIS_ID, + + /* Not part of any arrays */ + BFA_LOG_MODULE_ID_ALL = BFA_LOG_MODULE_ID_MAX + 1, + BFA_LOG_AEN_ALL = BFA_LOG_MODULE_ID_MAX + 2, + BFA_LOG_DRV_ALL = BFA_LOG_MODULE_ID_MAX + 3, +}; + +/* + * BFA log catalog name + */ +#define BFA_LOG_CAT_NAME "BFA" + +/* + * bfa log severity values + */ +enum bfa_log_severity { + BFA_LOG_INVALID = 0, + BFA_LOG_CRITICAL = 1, + BFA_LOG_ERROR = 2, + BFA_LOG_WARNING = 3, + BFA_LOG_INFO = 4, + BFA_LOG_NONE = 5, + BFA_LOG_LEVEL_MAX = BFA_LOG_NONE +}; + +#define BFA_LOG_MODID_OFFSET 16 + + +struct bfa_log_msgdef_s { + u32 msg_id; /* message id */ + int attributes; /* attributes */ + int severity; /* severity level */ + char *msg_value; + /* msg string */ + char *message; + /* msg format string */ + int arg_type; /* argument type */ + int arg_num; /* number of argument */ +}; + +/* + * supported argument type + */ +enum bfa_log_arg_type { + BFA_LOG_S = 0, /* string */ + BFA_LOG_D, /* decimal */ + BFA_LOG_I, /* integer */ + BFA_LOG_O, /* oct number */ + BFA_LOG_U, /* unsigned integer */ + BFA_LOG_X, /* hex number */ + BFA_LOG_F, /* floating */ + BFA_LOG_C, /* character */ + BFA_LOG_L, /* double */ + BFA_LOG_P /* pointer */ +}; + +#define BFA_LOG_ARG_TYPE 2 +#define BFA_LOG_ARG0 (0 * BFA_LOG_ARG_TYPE) +#define BFA_LOG_ARG1 (1 * BFA_LOG_ARG_TYPE) +#define BFA_LOG_ARG2 (2 * BFA_LOG_ARG_TYPE) +#define BFA_LOG_ARG3 (3 * BFA_LOG_ARG_TYPE) + +#define BFA_LOG_GET_MOD_ID(msgid) ((msgid >> BFA_LOG_MODID_OFFSET) & 0xff) +#define BFA_LOG_GET_MSG_IDX(msgid) (msgid & 0xffff) +#define BFA_LOG_GET_MSG_ID(msgdef) ((msgdef)->msg_id) +#define BFA_LOG_GET_MSG_FMT_STRING(msgdef) ((msgdef)->message) +#define BFA_LOG_GET_SEVERITY(msgdef) ((msgdef)->severity) + +/* + * Event attributes + */ +#define BFA_LOG_ATTR_NONE 0 +#define BFA_LOG_ATTR_AUDIT 1 +#define BFA_LOG_ATTR_LOG 2 +#define BFA_LOG_ATTR_FFDC 4 + +#define BFA_LOG_CREATE_ID(msw, lsw) \ + (((u32)msw << BFA_LOG_MODID_OFFSET) | lsw) + +struct bfa_log_mod_s; + +/** + * callback function + */ +typedef void (*bfa_log_cb_t)(struct bfa_log_mod_s *log_mod, u32 msg_id, + const char *format, ...); + + +struct bfa_log_mod_s { + char instance_info[16]; /* instance info */ + int log_level[BFA_LOG_MODULE_ID_MAX + 1]; + /* log level for modules */ + bfa_log_cb_t cbfn; /* callback function */ +}; + +extern int bfa_log_init(struct bfa_log_mod_s *log_mod, + char *instance_name, bfa_log_cb_t cbfn); +extern int bfa_log(struct bfa_log_mod_s *log_mod, u32 msg_id, ...); +extern bfa_status_t bfa_log_set_level(struct bfa_log_mod_s *log_mod, + int mod_id, enum bfa_log_severity log_level); +extern bfa_status_t bfa_log_set_level_all(struct bfa_log_mod_s *log_mod, + enum bfa_log_severity log_level); +extern bfa_status_t bfa_log_set_level_aen(struct bfa_log_mod_s *log_mod, + enum bfa_log_severity log_level); +extern enum bfa_log_severity bfa_log_get_level(struct bfa_log_mod_s *log_mod, + int mod_id); +extern enum bfa_log_severity bfa_log_get_msg_level( + struct bfa_log_mod_s *log_mod, u32 msg_id); +/* + * array of messages generated from xml files + */ +extern struct bfa_log_msgdef_s bfa_log_msg_array[]; + +#endif diff --git a/drivers/scsi/bfa/include/cs/bfa_perf.h b/drivers/scsi/bfa/include/cs/bfa_perf.h new file mode 100644 index 000000000000..45aa5f978ff5 --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_perf.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFAD_PERF_H__ +#define __BFAD_PERF_H__ + +#ifdef BFAD_PERF_BUILD + +#undef bfa_trc +#undef bfa_trc32 +#undef bfa_assert +#undef BFA_TRC_FILE + +#define bfa_trc(_trcp, _data) +#define bfa_trc32(_trcp, _data) +#define bfa_assert(__cond) +#define BFA_TRC_FILE(__mod, __submod) + +#endif + +#endif /* __BFAD_PERF_H__ */ diff --git a/drivers/scsi/bfa/include/cs/bfa_plog.h b/drivers/scsi/bfa/include/cs/bfa_plog.h new file mode 100644 index 000000000000..670f86e5fc6e --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_plog.h @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_PORTLOG_H__ +#define __BFA_PORTLOG_H__ + +#include "protocol/fc.h" +#include <defs/bfa_defs_types.h> + +#define BFA_PL_NLOG_ENTS 256 +#define BFA_PL_LOG_REC_INCR(_x) ((_x)++, (_x) %= BFA_PL_NLOG_ENTS) + +#define BFA_PL_STRING_LOG_SZ 32 /* number of chars in string log */ +#define BFA_PL_INT_LOG_SZ 8 /* number of integers in the integer log */ + +enum bfa_plog_log_type { + BFA_PL_LOG_TYPE_INVALID = 0, + BFA_PL_LOG_TYPE_INT = 1, + BFA_PL_LOG_TYPE_STRING = 2, +}; + +/* + * the (fixed size) record format for each entry in the portlog + */ +struct bfa_plog_rec_s { + u32 tv; /* Filled by the portlog driver when the * + * entry is added to the circular log. */ + u8 port; /* Source port that logged this entry. CM + * entities will use 0xFF */ + u8 mid; /* Integer value to be used by all entities * + * while logging. The module id to string * + * conversion will be done by BFAL. See + * enum bfa_plog_mid */ + u8 eid; /* indicates Rx, Tx, IOCTL, etc. See + * enum bfa_plog_eid */ + u8 log_type; /* indicates string log or integer log. + * see bfa_plog_log_type_t */ + u8 log_num_ints; + /* + * interpreted only if log_type is INT_LOG. indicates number of + * integers in the int_log[] (0-PL_INT_LOG_SZ). + */ + u8 rsvd; + u16 misc; /* can be used to indicate fc frame length, + *etc.. */ + union { + char string_log[BFA_PL_STRING_LOG_SZ]; + u32 int_log[BFA_PL_INT_LOG_SZ]; + } log_entry; + +}; + +/* + * the following #defines will be used by the logging entities to indicate + * their module id. BFAL will convert the integer value to string format + * +* process to be used while changing the following #defines: + * - Always add new entries at the end + * - define corresponding string in BFAL + * - Do not remove any entry or rearrange the order. + */ +enum bfa_plog_mid { + BFA_PL_MID_INVALID = 0, + BFA_PL_MID_DEBUG = 1, + BFA_PL_MID_DRVR = 2, + BFA_PL_MID_HAL = 3, + BFA_PL_MID_HAL_FCXP = 4, + BFA_PL_MID_HAL_UF = 5, + BFA_PL_MID_FCS = 6, + BFA_PL_MID_MAX = 7 +}; + +#define BFA_PL_MID_STRLEN 8 +struct bfa_plog_mid_strings_s { + char m_str[BFA_PL_MID_STRLEN]; +}; + +/* + * the following #defines will be used by the logging entities to indicate + * their event type. BFAL will convert the integer value to string format + * +* process to be used while changing the following #defines: + * - Always add new entries at the end + * - define corresponding string in BFAL + * - Do not remove any entry or rearrange the order. + */ +enum bfa_plog_eid { + BFA_PL_EID_INVALID = 0, + BFA_PL_EID_IOC_DISABLE = 1, + BFA_PL_EID_IOC_ENABLE = 2, + BFA_PL_EID_PORT_DISABLE = 3, + BFA_PL_EID_PORT_ENABLE = 4, + BFA_PL_EID_PORT_ST_CHANGE = 5, + BFA_PL_EID_TX = 6, + BFA_PL_EID_TX_ACK1 = 7, + BFA_PL_EID_TX_RJT = 8, + BFA_PL_EID_TX_BSY = 9, + BFA_PL_EID_RX = 10, + BFA_PL_EID_RX_ACK1 = 11, + BFA_PL_EID_RX_RJT = 12, + BFA_PL_EID_RX_BSY = 13, + BFA_PL_EID_CT_IN = 14, + BFA_PL_EID_CT_OUT = 15, + BFA_PL_EID_DRIVER_START = 16, + BFA_PL_EID_RSCN = 17, + BFA_PL_EID_DEBUG = 18, + BFA_PL_EID_MISC = 19, + BFA_PL_EID_MAX = 20 +}; + +#define BFA_PL_ENAME_STRLEN 8 +struct bfa_plog_eid_strings_s { + char e_str[BFA_PL_ENAME_STRLEN]; +}; + +#define BFA_PL_SIG_LEN 8 +#define BFA_PL_SIG_STR "12pl123" + +/* + * per port circular log buffer + */ +struct bfa_plog_s { + char plog_sig[BFA_PL_SIG_LEN]; /* Start signature */ + u8 plog_enabled; + u8 rsvd[7]; + u32 ticks; + u16 head; + u16 tail; + struct bfa_plog_rec_s plog_recs[BFA_PL_NLOG_ENTS]; +}; + +void bfa_plog_init(struct bfa_plog_s *plog); +void bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, u16 misc, char *log_str); +void bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, u16 misc, + u32 *intarr, u32 num_ints); +void bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, u16 misc, + struct fchs_s *fchdr); +void bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, u16 misc, + struct fchs_s *fchdr, u32 pld_w0); +void bfa_plog_clear(struct bfa_plog_s *plog); +void bfa_plog_enable(struct bfa_plog_s *plog); +void bfa_plog_disable(struct bfa_plog_s *plog); +bfa_boolean_t bfa_plog_get_setting(struct bfa_plog_s *plog); + +#endif /* __BFA_PORTLOG_H__ */ diff --git a/drivers/scsi/bfa/include/cs/bfa_q.h b/drivers/scsi/bfa/include/cs/bfa_q.h new file mode 100644 index 000000000000..ea895facedbc --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_q.h @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_q.h Circular queue definitions. + */ + +#ifndef __BFA_Q_H__ +#define __BFA_Q_H__ + +#define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next)) +#define bfa_q_next(_qe) (((struct list_head *) (_qe))->next) +#define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev) + +/* + * bfa_q_qe_init - to initialize a queue element + */ +#define bfa_q_qe_init(_qe) { \ + bfa_q_next(_qe) = (struct list_head *) NULL; \ + bfa_q_prev(_qe) = (struct list_head *) NULL; \ +} + +/* + * bfa_q_deq - dequeue an element from head of the queue + */ +#define bfa_q_deq(_q, _qe) { \ + if (!list_empty(_q)) { \ + (*((struct list_head **) (_qe))) = bfa_q_next(_q); \ + bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) = \ + (struct list_head *) (_q); \ + bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe)); \ + BFA_Q_DBG_INIT(*((struct list_head **) _qe)); \ + } else { \ + *((struct list_head **) (_qe)) = (struct list_head *) NULL; \ + } \ +} + +/* + * bfa_q_deq_tail - dequeue an element from tail of the queue + */ +#define bfa_q_deq_tail(_q, _qe) { \ + if (!list_empty(_q)) { \ + *((struct list_head **) (_qe)) = bfa_q_prev(_q); \ + bfa_q_next(bfa_q_prev(*((struct list_head **) _qe))) = \ + (struct list_head *) (_q); \ + bfa_q_prev(_q) = bfa_q_prev(*(struct list_head **) _qe); \ + BFA_Q_DBG_INIT(*((struct list_head **) _qe)); \ + } else { \ + *((struct list_head **) (_qe)) = (struct list_head *) NULL; \ + } \ +} + +/* + * #ifdef BFA_DEBUG (Using bfa_assert to check for debug_build is not + * consistent across modules) + */ +#ifndef BFA_PERF_BUILD +#define BFA_Q_DBG_INIT(_qe) bfa_q_qe_init(_qe) +#else +#define BFA_Q_DBG_INIT(_qe) +#endif + +#define bfa_q_is_on_q(_q, _qe) \ + bfa_q_is_on_q_func(_q, (struct list_head *)(_qe)) +extern int bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe); + +#endif diff --git a/drivers/scsi/bfa/include/cs/bfa_sm.h b/drivers/scsi/bfa/include/cs/bfa_sm.h new file mode 100644 index 000000000000..9877066680a6 --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_sm.h @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfasm.h State machine defines + */ + +#ifndef __BFA_SM_H__ +#define __BFA_SM_H__ + +typedef void (*bfa_sm_t)(void *sm, int event); + +#define bfa_sm_set_state(_sm, _state) (_sm)->sm = (bfa_sm_t)(_state) +#define bfa_sm_send_event(_sm, _event) (_sm)->sm((_sm), (_event)) +#define bfa_sm_get_state(_sm) ((_sm)->sm) +#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state)) + +/** + * For converting from state machine function to state encoding. + */ +struct bfa_sm_table_s { + bfa_sm_t sm; /* state machine function */ + int state; /* state machine encoding */ + char *name; /* state name for display */ +}; +#define BFA_SM(_sm) ((bfa_sm_t)(_sm)) + +int bfa_sm_to_state(struct bfa_sm_table_s *smt, bfa_sm_t sm); + +/** + * State machine with entry actions. + */ +typedef void (*bfa_fsm_t)(void *fsm, int event); + +/** + * oc - object class eg. bfa_ioc + * st - state, eg. reset + * otype - object type, eg. struct bfa_ioc_s + * etype - object type, eg. enum ioc_event + */ +#define bfa_fsm_state_decl(oc, st, otype, etype) \ + static void oc ## _sm_ ## st(otype * fsm, etype event); \ + static void oc ## _sm_ ## st ## _entry(otype * fsm) + +#define bfa_fsm_set_state(_fsm, _state) do { \ + (_fsm)->fsm = (bfa_fsm_t)(_state); \ + _state ## _entry(_fsm); \ +} while (0) + +#define bfa_fsm_send_event(_fsm, _event) \ + (_fsm)->fsm((_fsm), (_event)) +#define bfa_fsm_cmp_state(_fsm, _state) \ + ((_fsm)->fsm == (bfa_fsm_t)(_state)) + +#endif diff --git a/drivers/scsi/bfa/include/cs/bfa_trc.h b/drivers/scsi/bfa/include/cs/bfa_trc.h new file mode 100644 index 000000000000..3e743928c74c --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_trc.h @@ -0,0 +1,176 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_TRC_H__ +#define __BFA_TRC_H__ + +#include <bfa_os_inc.h> + +#ifndef BFA_TRC_MAX +#define BFA_TRC_MAX (4 * 1024) +#endif + +#ifndef BFA_TRC_TS +#define BFA_TRC_TS(_trcm) ((_trcm)->ticks ++) +#endif + +struct bfa_trc_s { +#ifdef __BIGENDIAN + u16 fileno; + u16 line; +#else + u16 line; + u16 fileno; +#endif + u32 timestamp; + union { + struct { + u32 rsvd; + u32 u32; + } u32; + u64 u64; + } data; +}; + + +struct bfa_trc_mod_s { + u32 head; + u32 tail; + u32 ntrc; + u32 stopped; + u32 ticks; + u32 rsvd[3]; + struct bfa_trc_s trc[BFA_TRC_MAX]; +}; + + +enum { + BFA_TRC_FW = 1, /* firmware modules */ + BFA_TRC_HAL = 2, /* BFA modules */ + BFA_TRC_FCS = 3, /* BFA FCS modules */ + BFA_TRC_LDRV = 4, /* Linux driver modules */ + BFA_TRC_SDRV = 5, /* Solaris driver modules */ + BFA_TRC_VDRV = 6, /* vmware driver modules */ + BFA_TRC_WDRV = 7, /* windows driver modules */ + BFA_TRC_AEN = 8, /* AEN module */ + BFA_TRC_BIOS = 9, /* bios driver modules */ + BFA_TRC_EFI = 10, /* EFI driver modules */ + BNA_TRC_WDRV = 11, /* BNA windows driver modules */ + BNA_TRC_VDRV = 12, /* BNA vmware driver modules */ + BNA_TRC_SDRV = 13, /* BNA Solaris driver modules */ + BNA_TRC_LDRV = 14, /* BNA Linux driver modules */ + BNA_TRC_HAL = 15, /* BNA modules */ + BFA_TRC_CNA = 16, /* Common modules */ + BNA_TRC_IMDRV = 17 /* BNA windows intermediate driver modules */ +}; +#define BFA_TRC_MOD_SH 10 +#define BFA_TRC_MOD(__mod) ((BFA_TRC_ ## __mod) << BFA_TRC_MOD_SH) + +/** + * Define a new tracing file (module). Module should match one defined above. + */ +#define BFA_TRC_FILE(__mod, __submod) \ + static int __trc_fileno = ((BFA_TRC_ ## __mod ## _ ## __submod) | \ + BFA_TRC_MOD(__mod)) + + +#define bfa_trc32(_trcp, _data) \ + __bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data) + + +#ifndef BFA_BOOT_BUILD +#define bfa_trc(_trcp, _data) \ + __bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u64)_data) +#else +void bfa_boot_trc(struct bfa_trc_mod_s *trcmod, u16 fileno, + u16 line, u32 data); +#define bfa_trc(_trcp, _data) \ + bfa_boot_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data) +#endif + + +static inline void +bfa_trc_init(struct bfa_trc_mod_s *trcm) +{ + trcm->head = trcm->tail = trcm->stopped = 0; + trcm->ntrc = BFA_TRC_MAX; +} + + +static inline void +bfa_trc_stop(struct bfa_trc_mod_s *trcm) +{ + trcm->stopped = 1; +} + +#ifdef FWTRC +extern void dc_flush(void *data); +#else +#define dc_flush(data) +#endif + + +static inline void +__bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data) +{ + int tail = trcm->tail; + struct bfa_trc_s *trc = &trcm->trc[tail]; + + if (trcm->stopped) + return; + + trc->fileno = (u16) fileno; + trc->line = (u16) line; + trc->data.u64 = data; + trc->timestamp = BFA_TRC_TS(trcm); + dc_flush(trc); + + trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1); + if (trcm->tail == trcm->head) + trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1); + dc_flush(trcm); +} + + +static inline void +__bfa_trc32(struct bfa_trc_mod_s *trcm, int fileno, int line, u32 data) +{ + int tail = trcm->tail; + struct bfa_trc_s *trc = &trcm->trc[tail]; + + if (trcm->stopped) + return; + + trc->fileno = (u16) fileno; + trc->line = (u16) line; + trc->data.u32.u32 = data; + trc->timestamp = BFA_TRC_TS(trcm); + dc_flush(trc); + + trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1); + if (trcm->tail == trcm->head) + trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1); + dc_flush(trcm); +} + +#ifndef BFA_PERF_BUILD +#define bfa_trc_fp(_trcp, _data) bfa_trc(_trcp, _data) +#else +#define bfa_trc_fp(_trcp, _data) +#endif + +#endif /* __BFA_TRC_H__ */ + diff --git a/drivers/scsi/bfa/include/cs/bfa_wc.h b/drivers/scsi/bfa/include/cs/bfa_wc.h new file mode 100644 index 000000000000..0460bd4fc7c4 --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_wc.h @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_wc.h Generic wait counter. + */ + +#ifndef __BFA_WC_H__ +#define __BFA_WC_H__ + +typedef void (*bfa_wc_resume_t) (void *cbarg); + +struct bfa_wc_s { + bfa_wc_resume_t wc_resume; + void *wc_cbarg; + int wc_count; +}; + +static inline void +bfa_wc_up(struct bfa_wc_s *wc) +{ + wc->wc_count++; +} + +static inline void +bfa_wc_down(struct bfa_wc_s *wc) +{ + wc->wc_count--; + if (wc->wc_count == 0) + wc->wc_resume(wc->wc_cbarg); +} + +/** + * Initialize a waiting counter. + */ +static inline void +bfa_wc_init(struct bfa_wc_s *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg) +{ + wc->wc_resume = wc_resume; + wc->wc_cbarg = wc_cbarg; + wc->wc_count = 0; + bfa_wc_up(wc); +} + +/** + * Wait for counter to reach zero + */ +static inline void +bfa_wc_wait(struct bfa_wc_s *wc) +{ + bfa_wc_down(wc); +} + +#endif diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_adapter.h b/drivers/scsi/bfa/include/defs/bfa_defs_adapter.h new file mode 100644 index 000000000000..8c208fc8e329 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_adapter.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_ADAPTER_H__ +#define __BFA_DEFS_ADAPTER_H__ + +#include <protocol/types.h> +#include <defs/bfa_defs_version.h> +#include <defs/bfa_defs_mfg.h> + +/** + * BFA adapter level attributes. + */ +enum { + BFA_ADAPTER_SERIAL_NUM_LEN = STRSZ(BFA_MFG_SERIALNUM_SIZE), + /* + *!< adapter serial num length + */ + BFA_ADAPTER_MODEL_NAME_LEN = 16, /* model name length */ + BFA_ADAPTER_MODEL_DESCR_LEN = 128, /* model description length */ + BFA_ADAPTER_MFG_NAME_LEN = 8, /* manufacturer name length */ + BFA_ADAPTER_SYM_NAME_LEN = 64, /* adapter symbolic name length */ + BFA_ADAPTER_OS_TYPE_LEN = 64, /* adapter os type length */ +}; + +struct bfa_adapter_attr_s { + char manufacturer[BFA_ADAPTER_MFG_NAME_LEN]; + char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; + u32 rsvd1; + char model[BFA_ADAPTER_MODEL_NAME_LEN]; + char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN]; + wwn_t pwwn; + char node_symname[FC_SYMNAME_MAX]; + char hw_ver[BFA_VERSION_LEN]; + char fw_ver[BFA_VERSION_LEN]; + char optrom_ver[BFA_VERSION_LEN]; + char os_type[BFA_ADAPTER_OS_TYPE_LEN]; + struct bfa_mfg_vpd_s vpd; + struct mac_s mac; + + u8 nports; + u8 max_speed; + u8 prototype; + char asic_rev; + + u8 pcie_gen; + u8 pcie_lanes_orig; + u8 pcie_lanes; + u8 cna_capable; +}; + +/** + * BFA adapter level events + * Arguments below are in BFAL context from Mgmt + * BFA_PORT_AEN_ADD: [in]: None [out]: serial_num, pwwn, nports + * BFA_PORT_AEN_REMOVE: [in]: pwwn [out]: serial_num, pwwn, nports + */ +enum bfa_adapter_aen_event { + BFA_ADAPTER_AEN_ADD = 1, /* New Adapter found event */ + BFA_ADAPTER_AEN_REMOVE = 2, /* Adapter removed event */ +}; + +struct bfa_adapter_aen_data_s { + char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; + u32 nports; /* Number of NPorts */ + wwn_t pwwn; /* WWN of one of its physical port */ +}; + +#endif /* __BFA_DEFS_ADAPTER_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_aen.h b/drivers/scsi/bfa/include/defs/bfa_defs_aen.h new file mode 100644 index 000000000000..4c81a613db3d --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_aen.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_AEN_H__ +#define __BFA_DEFS_AEN_H__ + +#include <defs/bfa_defs_types.h> +#include <defs/bfa_defs_ioc.h> +#include <defs/bfa_defs_adapter.h> +#include <defs/bfa_defs_port.h> +#include <defs/bfa_defs_lport.h> +#include <defs/bfa_defs_rport.h> +#include <defs/bfa_defs_itnim.h> +#include <defs/bfa_defs_tin.h> +#include <defs/bfa_defs_ipfc.h> +#include <defs/bfa_defs_audit.h> +#include <defs/bfa_defs_ethport.h> + +enum bfa_aen_category { + BFA_AEN_CAT_ADAPTER = 1, + BFA_AEN_CAT_PORT = 2, + BFA_AEN_CAT_LPORT = 3, + BFA_AEN_CAT_RPORT = 4, + BFA_AEN_CAT_ITNIM = 5, + BFA_AEN_CAT_TIN = 6, + BFA_AEN_CAT_IPFC = 7, + BFA_AEN_CAT_AUDIT = 8, + BFA_AEN_CAT_IOC = 9, + BFA_AEN_CAT_ETHPORT = 10, + BFA_AEN_MAX_CAT = 10 +}; + +#pragma pack(1) +union bfa_aen_data_u { + struct bfa_adapter_aen_data_s adapter; + struct bfa_port_aen_data_s port; + struct bfa_lport_aen_data_s lport; + struct bfa_rport_aen_data_s rport; + struct bfa_itnim_aen_data_s itnim; + struct bfa_audit_aen_data_s audit; + struct bfa_ioc_aen_data_s ioc; + struct bfa_ethport_aen_data_s ethport; +}; + +struct bfa_aen_entry_s { + enum bfa_aen_category aen_category; + int aen_type; + union bfa_aen_data_u aen_data; + struct bfa_timeval_s aen_tv; + s32 seq_num; + s32 bfad_num; + s32 rsvd[1]; +}; + +#pragma pack() + +#define bfa_aen_event_t int + +#endif /* __BFA_DEFS_AEN_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_audit.h b/drivers/scsi/bfa/include/defs/bfa_defs_audit.h new file mode 100644 index 000000000000..8e3a962bf20c --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_audit.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_AUDIT_H__ +#define __BFA_DEFS_AUDIT_H__ + +#include <bfa_os_inc.h> + +/** + * BFA audit events + */ +enum bfa_audit_aen_event { + BFA_AUDIT_AEN_AUTH_ENABLE = 1, + BFA_AUDIT_AEN_AUTH_DISABLE = 2, +}; + +/** + * audit event data + */ +struct bfa_audit_aen_data_s { + wwn_t pwwn; +}; + +#endif /* __BFA_DEFS_AUDIT_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_auth.h b/drivers/scsi/bfa/include/defs/bfa_defs_auth.h new file mode 100644 index 000000000000..dd19c83aba58 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_auth.h @@ -0,0 +1,112 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_AUTH_H__ +#define __BFA_DEFS_AUTH_H__ + +#include <defs/bfa_defs_types.h> + +#define PUBLIC_KEY 15409 +#define PRIVATE_KEY 19009 +#define KEY_LEN 32399 +#define BFA_AUTH_SECRET_STRING_LEN 256 +#define BFA_AUTH_FAIL_TIMEOUT 0xFF + +/** + * Authentication status + */ +enum bfa_auth_status { + BFA_AUTH_STATUS_NONE = 0, /* no authentication */ + BFA_AUTH_UNINIT = 1, /* state - uninit */ + BFA_AUTH_NEG_SEND = 2, /* state - negotiate send */ + BFA_AUTH_CHAL_WAIT = 3, /* state - challenge wait */ + BFA_AUTH_NEG_RETRY = 4, /* state - negotiate retry */ + BFA_AUTH_REPLY_SEND = 5, /* state - reply send */ + BFA_AUTH_STATUS_WAIT = 6, /* state - status wait */ + BFA_AUTH_SUCCESS = 7, /* state - success */ + BFA_AUTH_FAILED = 8, /* state - failed */ + BFA_AUTH_STATUS_UNKNOWN = 9, /* authentication status unknown */ +}; + +struct auth_proto_stats_s { + u32 auth_rjts; + u32 auth_negs; + u32 auth_dones; + + u32 dhchap_challenges; + u32 dhchap_replies; + u32 dhchap_successes; +}; + +/** + * Authentication related statistics + */ +struct bfa_auth_stats_s { + u32 auth_failures; /* authentication failures */ + u32 auth_successes; /* authentication successes*/ + struct auth_proto_stats_s auth_rx_stats; /* Rx protocol stats */ + struct auth_proto_stats_s auth_tx_stats; /* Tx protocol stats */ +}; + +/** + * Authentication hash function algorithms + */ +enum bfa_auth_algo { + BFA_AUTH_ALGO_MD5 = 1, /* Message-Digest algorithm 5 */ + BFA_AUTH_ALGO_SHA1 = 2, /* Secure Hash Algorithm 1 */ + BFA_AUTH_ALGO_MS = 3, /* MD5, then SHA-1 */ + BFA_AUTH_ALGO_SM = 4, /* SHA-1, then MD5 */ +}; + +/** + * DH Groups + * + * Current value could be combination of one or more of the following values + */ +enum bfa_auth_group { + BFA_AUTH_GROUP_DHNULL = 0, /* DH NULL (value == 0) */ + BFA_AUTH_GROUP_DH768 = 1, /* DH group 768 (value == 1) */ + BFA_AUTH_GROUP_DH1024 = 2, /* DH group 1024 (value == 2) */ + BFA_AUTH_GROUP_DH1280 = 4, /* DH group 1280 (value == 3) */ + BFA_AUTH_GROUP_DH1536 = 8, /* DH group 1536 (value == 4) */ + + BFA_AUTH_GROUP_ALL = 256 /* Use default DH group order + * 0, 1, 2, 3, 4 */ +}; + +/** + * Authentication secret sources + */ +enum bfa_auth_secretsource { + BFA_AUTH_SECSRC_LOCAL = 1, /* locally configured */ + BFA_AUTH_SECSRC_RADIUS = 2, /* use radius server */ + BFA_AUTH_SECSRC_TACACS = 3, /* TACACS server */ +}; + +/** + * Authentication attributes + */ +struct bfa_auth_attr_s { + enum bfa_auth_status status; + enum bfa_auth_algo algo; + enum bfa_auth_group dh_grp; + u16 rjt_code; + u16 rjt_code_exp; + u8 secret_set; + u8 resv[7]; +}; + +#endif /* __BFA_DEFS_AUTH_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_boot.h b/drivers/scsi/bfa/include/defs/bfa_defs_boot.h new file mode 100644 index 000000000000..6f4aa5283545 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_boot.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_BOOT_H__ +#define __BFA_DEFS_BOOT_H__ + +#include <protocol/types.h> +#include <defs/bfa_defs_types.h> +#include <defs/bfa_defs_pport.h> + +enum { + BFA_BOOT_BOOTLUN_MAX = 4, /* maximum boot lun per IOC */ +}; + +#define BOOT_CFG_REV1 1 + +/** + * Boot options setting. Boot options setting determines from where + * to get the boot lun information + */ +enum bfa_boot_bootopt { + BFA_BOOT_AUTO_DISCOVER = 0, /* Boot from blun provided by fabric */ + BFA_BOOT_STORED_BLUN = 1, /* Boot from bluns stored in flash */ + BFA_BOOT_FIRST_LUN = 2, /* Boot from first discovered blun */ +}; + +/** + * Boot lun information. + */ +struct bfa_boot_bootlun_s { + wwn_t pwwn; /* port wwn of target */ + lun_t lun; /* 64-bit lun */ +}; + +/** + * BOOT boot configuraton + */ +struct bfa_boot_cfg_s { + u8 version; + u8 rsvd1; + u16 chksum; + + u8 enable; /* enable/disable SAN boot */ + u8 speed; /* boot speed settings */ + u8 topology; /* boot topology setting */ + u8 bootopt; /* bfa_boot_bootopt_t */ + + u32 nbluns; /* number of boot luns */ + + u32 rsvd2; + + struct bfa_boot_bootlun_s blun[BFA_BOOT_BOOTLUN_MAX]; + struct bfa_boot_bootlun_s blun_disc[BFA_BOOT_BOOTLUN_MAX]; +}; + + +#endif /* __BFA_DEFS_BOOT_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_cee.h b/drivers/scsi/bfa/include/defs/bfa_defs_cee.h new file mode 100644 index 000000000000..520a22f52dd1 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_cee.h @@ -0,0 +1,159 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * bfa_defs_cee.h Interface declarations between host based + * BFAL and DCBX/LLDP module in Firmware + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_CEE_H__ +#define __BFA_DEFS_CEE_H__ + +#include <defs/bfa_defs_types.h> +#include <defs/bfa_defs_pport.h> +#include <protocol/types.h> + +#pragma pack(1) + +#define BFA_CEE_LLDP_MAX_STRING_LEN (128) + + +/* FIXME: this is coming from the protocol spec. Can the host & apps share the + protocol .h files ? + */ +#define BFA_CEE_LLDP_SYS_CAP_OTHER 0x0001 +#define BFA_CEE_LLDP_SYS_CAP_REPEATER 0x0002 +#define BFA_CEE_LLDP_SYS_CAP_MAC_BRIDGE 0x0004 +#define BFA_CEE_LLDP_SYS_CAP_WLAN_AP 0x0008 +#define BFA_CEE_LLDP_SYS_CAP_ROUTER 0x0010 +#define BFA_CEE_LLDP_SYS_CAP_TELEPHONE 0x0020 +#define BFA_CEE_LLDP_SYS_CAP_DOCSIS_CD 0x0040 +#define BFA_CEE_LLDP_SYS_CAP_STATION 0x0080 +#define BFA_CEE_LLDP_SYS_CAP_CVLAN 0x0100 +#define BFA_CEE_LLDP_SYS_CAP_SVLAN 0x0200 +#define BFA_CEE_LLDP_SYS_CAP_TPMR 0x0400 + + +/* LLDP string type */ +struct bfa_cee_lldp_str_s { + u8 sub_type; + u8 len; + u8 rsvd[2]; + u8 value[BFA_CEE_LLDP_MAX_STRING_LEN]; +}; + + +/* LLDP paramters */ +struct bfa_cee_lldp_cfg_s { + struct bfa_cee_lldp_str_s chassis_id; + struct bfa_cee_lldp_str_s port_id; + struct bfa_cee_lldp_str_s port_desc; + struct bfa_cee_lldp_str_s sys_name; + struct bfa_cee_lldp_str_s sys_desc; + struct bfa_cee_lldp_str_s mgmt_addr; + u16 time_to_interval; + u16 enabled_system_cap; +}; + +enum bfa_cee_dcbx_version_e { + DCBX_PROTOCOL_PRECEE = 1, + DCBX_PROTOCOL_CEE = 2, +}; + +enum bfa_cee_lls_e { + CEE_LLS_DOWN_NO_TLV = 0, /* LLS is down because the TLV not sent by + * the peer */ + CEE_LLS_DOWN = 1, /* LLS is down as advertised by the peer */ + CEE_LLS_UP = 2, +}; + +/* CEE/DCBX parameters */ +struct bfa_cee_dcbx_cfg_s { + u8 pgid[8]; + u8 pg_percentage[8]; + u8 pfc_enabled; /* bitmap of priorties with PFC enabled */ + u8 fcoe_user_priority; /* bitmap of priorities used for FcoE + * traffic */ + u8 dcbx_version; /* operating version:CEE or preCEE */ + u8 lls_fcoe; /* FCoE Logical Link Status */ + u8 lls_lan; /* LAN Logical Link Status */ + u8 rsvd[3]; +}; + +/* CEE status */ +/* Making this to tri-state for the benefit of port list command */ +enum bfa_cee_status_e { + CEE_PHY_DOWN = 0, + CEE_PHY_UP = 1, + CEE_UP = 2, +}; + +/* CEE Query */ +struct bfa_cee_attr_s { + u8 cee_status; + u8 error_reason; + struct bfa_cee_lldp_cfg_s lldp_remote; + struct bfa_cee_dcbx_cfg_s dcbx_remote; + mac_t src_mac; + u8 link_speed; + u8 filler[3]; +}; + + + + +/* LLDP/DCBX/CEE Statistics */ + +struct bfa_cee_lldp_stats_s { + u32 frames_transmitted; + u32 frames_aged_out; + u32 frames_discarded; + u32 frames_in_error; + u32 frames_rcvd; + u32 tlvs_discarded; + u32 tlvs_unrecognized; +}; + +struct bfa_cee_dcbx_stats_s { + u32 subtlvs_unrecognized; + u32 negotiation_failed; + u32 remote_cfg_changed; + u32 tlvs_received; + u32 tlvs_invalid; + u32 seqno; + u32 ackno; + u32 recvd_seqno; + u32 recvd_ackno; +}; + +struct bfa_cee_cfg_stats_s { + u32 cee_status_down; + u32 cee_status_up; + u32 cee_hw_cfg_changed; + u32 recvd_invalid_cfg; +}; + + +struct bfa_cee_stats_s { + struct bfa_cee_lldp_stats_s lldp_stats; + struct bfa_cee_dcbx_stats_s dcbx_stats; + struct bfa_cee_cfg_stats_s cfg_stats; +}; + +#pragma pack() + + +#endif /* __BFA_DEFS_CEE_H__ */ + + diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_driver.h b/drivers/scsi/bfa/include/defs/bfa_defs_driver.h new file mode 100644 index 000000000000..57049805762b --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_driver.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_DRIVER_H__ +#define __BFA_DEFS_DRIVER_H__ + +/** + * Driver statistics + */ + u16 tm_io_abort; + u16 tm_io_abort_comp; + u16 tm_lun_reset; + u16 tm_lun_reset_comp; + u16 tm_target_reset; + u16 tm_bus_reset; + u16 ioc_restart; /* IOC restart count */ + u16 io_pending; /* outstanding io count per-IOC */ + u64 control_req; + u64 input_req; + u64 output_req; + u64 input_words; + u64 output_words; +} bfa_driver_stats_t; + + +#endif /* __BFA_DEFS_DRIVER_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_ethport.h b/drivers/scsi/bfa/include/defs/bfa_defs_ethport.h new file mode 100644 index 000000000000..79f9b3e146f7 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_ethport.h @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_ETHPORT_H__ +#define __BFA_DEFS_ETHPORT_H__ + +#include <defs/bfa_defs_status.h> +#include <protocol/types.h> +#include <cna/pstats/phyport_defs.h> +#include <cna/pstats/ethport_defs.h> + +struct bna_tx_info_s { + u32 miniport_state; + u32 adapter_state; + u64 tx_count; + u64 tx_wi; + u64 tx_sg; + u64 tx_tcp_chksum; + u64 tx_udp_chksum; + u64 tx_ip_chksum; + u64 tx_lsov1; + u64 tx_lsov2; + u64 tx_max_sg_len ; +}; + +struct bna_rx_queue_info_s { + u16 q_id ; + u16 buf_size ; + u16 buf_count ; + u16 rsvd ; + u64 rx_count ; + u64 rx_dropped ; + u64 rx_unsupported ; + u64 rx_internal_err ; + u64 rss_count ; + u64 vlan_count ; + u64 rx_tcp_chksum ; + u64 rx_udp_chksum ; + u64 rx_ip_chksum ; + u64 rx_hds ; +}; + +struct bna_rx_q_set_s { + u16 q_set_type; + u32 miniport_state; + u32 adapter_state; + struct bna_rx_queue_info_s rx_queue[2]; +}; + +struct bna_port_stats_s { + struct bna_tx_info_s tx_stats; + u16 qset_count ; + struct bna_rx_q_set_s rx_qset[8]; +}; + +struct bfa_ethport_stats_s { + struct bna_stats_txf txf_stats[1]; + struct bna_stats_rxf rxf_stats[1]; + struct bnad_drv_stats drv_stats; +}; + +/** + * Ethernet port events + * Arguments below are in BFAL context from Mgmt + * BFA_PORT_AEN_ETH_LINKUP: [in]: mac [out]: mac + * BFA_PORT_AEN_ETH_LINKDOWN: [in]: mac [out]: mac + * BFA_PORT_AEN_ETH_ENABLE: [in]: mac [out]: mac + * BFA_PORT_AEN_ETH_DISABLE: [in]: mac [out]: mac + * + */ +enum bfa_ethport_aen_event { + BFA_ETHPORT_AEN_LINKUP = 1, /* Base Port Ethernet link up event */ + BFA_ETHPORT_AEN_LINKDOWN = 2, /* Base Port Ethernet link down event */ + BFA_ETHPORT_AEN_ENABLE = 3, /* Base Port Ethernet link enable event */ + BFA_ETHPORT_AEN_DISABLE = 4, /* Base Port Ethernet link disable + * event */ +}; + +struct bfa_ethport_aen_data_s { + mac_t mac; /* MAC address of the physical port */ +}; + + +#endif /* __BFA_DEFS_ETHPORT_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_fcpim.h b/drivers/scsi/bfa/include/defs/bfa_defs_fcpim.h new file mode 100644 index 000000000000..c08f4f5026ac --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_fcpim.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_FCPIM_H__ +#define __BFA_DEFS_FCPIM_H__ + +struct bfa_fcpim_stats_s { + u32 total_ios; /* Total IO count */ + u32 qresumes; /* IO waiting for CQ space */ + u32 no_iotags; /* NO IO contexts */ + u32 io_aborts; /* IO abort requests */ + u32 no_tskims; /* NO task management contexts */ + u32 iocomp_ok; /* IO completions with OK status */ + u32 iocomp_underrun; /* IO underrun (good) */ + u32 iocomp_overrun; /* IO overrun (good) */ + u32 iocomp_aborted; /* Aborted IO requests */ + u32 iocomp_timedout; /* IO timeouts */ + u32 iocom_nexus_abort; /* IO selection timeouts */ + u32 iocom_proto_err; /* IO protocol errors */ + u32 iocom_dif_err; /* IO SBC-3 protection errors */ + u32 iocom_tm_abort; /* IO aborted by TM requests */ + u32 iocom_sqer_needed; /* IO retry for SQ error + *recovery */ + u32 iocom_res_free; /* Delayed freeing of IO resources */ + u32 iocomp_scsierr; /* IO with non-good SCSI status */ + u32 iocom_hostabrts; /* Host IO abort requests */ + u32 iocom_utags; /* IO comp with unknown tags */ + u32 io_cleanups; /* IO implicitly aborted */ + u32 io_tmaborts; /* IO aborted due to TM commands */ + u32 rsvd; +}; +#endif /*__BFA_DEFS_FCPIM_H__*/ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_im_common.h b/drivers/scsi/bfa/include/defs/bfa_defs_im_common.h new file mode 100644 index 000000000000..9ccf53bef65a --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_im_common.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_IM_COMMON_H__ +#define __BFA_DEFS_IM_COMMON_H__ + +#define BFA_ADAPTER_NAME_LEN 256 +#define BFA_ADAPTER_GUID_LEN 256 +#define RESERVED_VLAN_NAME L"PORT VLAN" +#define PASSTHRU_VLAN_NAME L"PASSTHRU VLAN" + + u64 tx_pkt_cnt; + u64 rx_pkt_cnt; + u32 duration; + u8 status; +} bfa_im_stats_t, *pbfa_im_stats_t; + +#endif /* __BFA_DEFS_IM_COMMON_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_im_team.h b/drivers/scsi/bfa/include/defs/bfa_defs_im_team.h new file mode 100644 index 000000000000..a486a7eb81d6 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_im_team.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_IM_TEAM_H__ +#define __BFA_DEFS_IM_TEAM_H__ + +#include <protocol/types.h> + +#define BFA_TEAM_MAX_PORTS 8 +#define BFA_TEAM_NAME_LEN 256 +#define BFA_MAX_NUM_TEAMS 16 +#define BFA_TEAM_INVALID_DELAY -1 + + BFA_LACP_RATE_SLOW = 1, + BFA_LACP_RATE_FAST +} bfa_im_lacp_rate_t; + + BFA_TEAM_MODE_FAIL_OVER = 1, + BFA_TEAM_MODE_FAIL_BACK, + BFA_TEAM_MODE_LACP, + BFA_TEAM_MODE_NONE +} bfa_im_team_mode_t; + + BFA_XMIT_POLICY_L2 = 1, + BFA_XMIT_POLICY_L3_L4 +} bfa_im_xmit_policy_t; + + bfa_im_team_mode_t team_mode; + bfa_im_lacp_rate_t lacp_rate; + bfa_im_xmit_policy_t xmit_policy; + int delay; + wchar_t primary[BFA_ADAPTER_NAME_LEN]; + wchar_t preferred_primary[BFA_ADAPTER_NAME_LEN]; + mac_t mac; + u16 num_ports; + u16 num_vlans; + u16 vlan_list[BFA_MAX_VLANS_PER_PORT]; + wchar_t team_guid_list[BFA_TEAM_MAX_PORTS][BFA_ADAPTER_GUID_LEN]; + wchar_t ioc_name_list[BFA_TEAM_MAX_PORTS][BFA_ADAPTER_NAME_LEN]; +} bfa_im_team_attr_t; + + wchar_t team_name[BFA_TEAM_NAME_LEN]; + bfa_im_xmit_policy_t xmit_policy; + int delay; + wchar_t primary[BFA_ADAPTER_NAME_LEN]; + wchar_t preferred_primary[BFA_ADAPTER_NAME_LEN]; +} bfa_im_team_edit_t, *pbfa_im_team_edit_t; + + wchar_t team_name[BFA_TEAM_NAME_LEN]; + bfa_im_team_mode_t team_mode; + mac_t mac; +} bfa_im_team_info_t; + + bfa_im_team_info_t team_info[BFA_MAX_NUM_TEAMS]; + u16 num_teams; +} bfa_im_team_list_t, *pbfa_im_team_list_t; + +#endif /* __BFA_DEFS_IM_TEAM_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h b/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h new file mode 100644 index 000000000000..b1d532da3a9d --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h @@ -0,0 +1,152 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_IOC_H__ +#define __BFA_DEFS_IOC_H__ + +#include <protocol/types.h> +#include <defs/bfa_defs_types.h> +#include <defs/bfa_defs_version.h> +#include <defs/bfa_defs_adapter.h> +#include <defs/bfa_defs_pm.h> + +enum { + BFA_IOC_DRIVER_LEN = 16, + BFA_IOC_CHIP_REV_LEN = 8, +}; + +/** + * Driver and firmware versions. + */ +struct bfa_ioc_driver_attr_s { + char driver[BFA_IOC_DRIVER_LEN]; /* driver name */ + char driver_ver[BFA_VERSION_LEN]; /* driver version */ + char fw_ver[BFA_VERSION_LEN]; /* firmware version*/ + char bios_ver[BFA_VERSION_LEN]; /* bios version */ + char efi_ver[BFA_VERSION_LEN]; /* EFI version */ + char ob_ver[BFA_VERSION_LEN]; /* openboot version*/ +}; + +/** + * IOC PCI device attributes + */ +struct bfa_ioc_pci_attr_s { + u16 vendor_id; /* PCI vendor ID */ + u16 device_id; /* PCI device ID */ + u16 ssid; /* subsystem ID */ + u16 ssvid; /* subsystem vendor ID */ + u32 pcifn; /* PCI device function */ + u32 rsvd; /* padding */ + u8 chip_rev[BFA_IOC_CHIP_REV_LEN]; /* chip revision */ +}; + +/** + * IOC states + */ +enum bfa_ioc_state { + BFA_IOC_RESET = 1, /* IOC is in reset state */ + BFA_IOC_SEMWAIT = 2, /* Waiting for IOC hardware semaphore */ + BFA_IOC_HWINIT = 3, /* IOC hardware is being initialized */ + BFA_IOC_GETATTR = 4, /* IOC is being configured */ + BFA_IOC_OPERATIONAL = 5, /* IOC is operational */ + BFA_IOC_INITFAIL = 6, /* IOC hardware failure */ + BFA_IOC_HBFAIL = 7, /* IOC heart-beat failure */ + BFA_IOC_DISABLING = 8, /* IOC is being disabled */ + BFA_IOC_DISABLED = 9, /* IOC is disabled */ + BFA_IOC_FWMISMATCH = 10, /* IOC firmware different from drivers */ +}; + +/** + * IOC firmware stats + */ +struct bfa_fw_ioc_stats_s { + u32 hb_count; + u32 cfg_reqs; + u32 enable_reqs; + u32 disable_reqs; + u32 stats_reqs; + u32 clrstats_reqs; + u32 unknown_reqs; + u32 ic_reqs; /* interrupt coalesce reqs */ +}; + +/** + * IOC driver stats + */ +struct bfa_ioc_drv_stats_s { + u32 ioc_isrs; + u32 ioc_enables; + u32 ioc_disables; + u32 ioc_hbfails; + u32 ioc_boots; + u32 stats_tmos; + u32 hb_count; + u32 disable_reqs; + u32 enable_reqs; + u32 disable_replies; + u32 enable_replies; +}; + +/** + * IOC statistics + */ +struct bfa_ioc_stats_s { + struct bfa_ioc_drv_stats_s drv_stats; /* driver IOC stats */ + struct bfa_fw_ioc_stats_s fw_stats; /* firmware IOC stats */ +}; + + +enum bfa_ioc_type_e { + BFA_IOC_TYPE_FC = 1, + BFA_IOC_TYPE_FCoE = 2, + BFA_IOC_TYPE_LL = 3, +}; + +/** + * IOC attributes returned in queries + */ +struct bfa_ioc_attr_s { + enum bfa_ioc_type_e ioc_type; + enum bfa_ioc_state state; /* IOC state */ + struct bfa_adapter_attr_s adapter_attr; /* HBA attributes */ + struct bfa_ioc_driver_attr_s driver_attr; /* driver attr */ + struct bfa_ioc_pci_attr_s pci_attr; + u8 port_id; /* port number */ +}; + +/** + * BFA IOC level events + */ +enum bfa_ioc_aen_event { + BFA_IOC_AEN_HBGOOD = 1, /* Heart Beat restore event */ + BFA_IOC_AEN_HBFAIL = 2, /* Heart Beat failure event */ + BFA_IOC_AEN_ENABLE = 3, /* IOC enabled event */ + BFA_IOC_AEN_DISABLE = 4, /* IOC disabled event */ + BFA_IOC_AEN_FWMISMATCH = 5, /* IOC firmware mismatch */ +}; + +/** + * BFA IOC level event data, now just a place holder + */ +struct bfa_ioc_aen_data_s { + enum bfa_ioc_type_e ioc_type; + wwn_t pwwn; + mac_t mac; +}; + +#endif /* __BFA_DEFS_IOC_H__ */ + diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_iocfc.h b/drivers/scsi/bfa/include/defs/bfa_defs_iocfc.h new file mode 100644 index 000000000000..d76bcbd9820f --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_iocfc.h @@ -0,0 +1,310 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_IOCFC_H__ +#define __BFA_DEFS_IOCFC_H__ + +#include <protocol/types.h> +#include <defs/bfa_defs_types.h> +#include <defs/bfa_defs_version.h> +#include <defs/bfa_defs_adapter.h> +#include <defs/bfa_defs_pm.h> + +#define BFA_IOCFC_INTR_DELAY 1125 +#define BFA_IOCFC_INTR_LATENCY 225 + +/** + * Interrupt coalescing configuration. + */ +struct bfa_iocfc_intr_attr_s { + bfa_boolean_t coalesce; /* enable/disable coalescing */ + u16 latency; /* latency in microseconds */ + u16 delay; /* delay in microseconds */ +}; + +/** + * IOC firmware configuraton + */ +struct bfa_iocfc_fwcfg_s { + u16 num_fabrics; /* number of fabrics */ + u16 num_lports; /* number of local lports */ + u16 num_rports; /* number of remote ports */ + u16 num_ioim_reqs; /* number of IO reqs */ + u16 num_tskim_reqs; /* task management requests */ + u16 num_iotm_reqs; /* number of TM IO reqs */ + u16 num_tsktm_reqs; /* TM task management requests*/ + u16 num_fcxp_reqs; /* unassisted FC exchanges */ + u16 num_uf_bufs; /* unsolicited recv buffers */ + u8 num_cqs; + u8 rsvd; +}; + +struct bfa_iocfc_drvcfg_s { + u16 num_reqq_elems; /* number of req queue elements */ + u16 num_rspq_elems; /* number of rsp queue elements */ + u16 num_sgpgs; /* number of total SG pages */ + u16 num_sboot_tgts; /* number of SAN boot targets */ + u16 num_sboot_luns; /* number of SAN boot luns */ + u16 ioc_recover; /* IOC recovery mode */ + u16 min_cfg; /* minimum configuration */ + u16 path_tov; /* device path timeout */ + bfa_boolean_t delay_comp; /* delay completion of + failed inflight IOs */ + u32 rsvd; +}; +/** + * IOC configuration + */ +struct bfa_iocfc_cfg_s { + struct bfa_iocfc_fwcfg_s fwcfg; /* firmware side config */ + struct bfa_iocfc_drvcfg_s drvcfg; /* driver side config */ +}; + +/** + * IOC firmware IO stats + */ +struct bfa_fw_io_stats_s { + u32 host_abort; /* IO aborted by host driver*/ + u32 host_cleanup; /* IO clean up by host driver */ + + u32 fw_io_timeout; /* IOs timedout */ + u32 fw_frm_parse; /* frame parsed by f/w */ + u32 fw_frm_data; /* fcp_data frame parsed by f/w */ + u32 fw_frm_rsp; /* fcp_rsp frame parsed by f/w */ + u32 fw_frm_xfer_rdy; /* xfer_rdy frame parsed by f/w */ + u32 fw_frm_bls_acc; /* BLS ACC frame parsed by f/w */ + u32 fw_frm_tgt_abort; /* target ABTS parsed by f/w */ + u32 fw_frm_unknown; /* unknown parsed by f/w */ + u32 fw_data_dma; /* f/w DMA'ed the data frame */ + u32 fw_frm_drop; /* f/w drop the frame */ + + u32 rec_timeout; /* FW rec timed out */ + u32 error_rec; /* FW sending rec on + * an error condition*/ + u32 wait_for_si; /* FW wait for SI */ + u32 rec_rsp_inval; /* REC rsp invalid */ + u32 seqr_io_abort; /* target does not know cmd so abort */ + u32 seqr_io_retry; /* SEQR failed so retry IO */ + + u32 itn_cisc_upd_rsp; /* ITN cisc updated on fcp_rsp */ + u32 itn_cisc_upd_data; /* ITN cisc updated on fcp_data */ + u32 itn_cisc_upd_xfer_rdy; /* ITN cisc updated on fcp_data */ + + u32 fcp_data_lost; /* fcp data lost */ + + u32 ro_set_in_xfer_rdy; /* Target set RO in Xfer_rdy frame */ + u32 xfer_rdy_ooo_err; /* Out of order Xfer_rdy received */ + u32 xfer_rdy_unknown_err; /* unknown error in xfer_rdy frame */ + + u32 io_abort_timeout; /* ABTS timedout */ + u32 sler_initiated; /* SLER initiated */ + + u32 unexp_fcp_rsp; /* fcp response in wrong state */ + + u32 fcp_rsp_under_run; /* fcp rsp IO underrun */ + u32 fcp_rsp_under_run_wr; /* fcp rsp IO underrun for write */ + u32 fcp_rsp_under_run_err; /* fcp rsp IO underrun error */ + u32 fcp_rsp_resid_inval; /* invalid residue */ + u32 fcp_rsp_over_run; /* fcp rsp IO overrun */ + u32 fcp_rsp_over_run_err; /* fcp rsp IO overrun error */ + u32 fcp_rsp_proto_err; /* protocol error in fcp rsp */ + u32 fcp_rsp_sense_err; /* error in sense info in fcp rsp */ + u32 fcp_conf_req; /* FCP conf requested */ + + u32 tgt_aborted_io; /* target initiated abort */ + + u32 ioh_edtov_timeout_event;/* IOH edtov timer popped */ + u32 ioh_fcp_rsp_excp_event; /* IOH FCP_RSP exception */ + u32 ioh_fcp_conf_event; /* IOH FCP_CONF */ + u32 ioh_mult_frm_rsp_event; /* IOH multi_frame FCP_RSP */ + u32 ioh_hit_class2_event; /* IOH hit class2 */ + u32 ioh_miss_other_event; /* IOH miss other */ + u32 ioh_seq_cnt_err_event; /* IOH seq cnt error */ + u32 ioh_len_err_event; /* IOH len error - fcp_dl != + * bytes xfered */ + u32 ioh_seq_len_err_event; /* IOH seq len error */ + u32 ioh_data_oor_event; /* Data out of range */ + u32 ioh_ro_ooo_event; /* Relative offset out of range */ + u32 ioh_cpu_owned_event; /* IOH hit -iost owned by f/w */ + u32 ioh_unexp_frame_event; /* unexpected frame recieved + * count */ + u32 ioh_err_int; /* IOH error int during data-phase + * for scsi write + */ +}; + +/** + * IOC port firmware stats + */ + +struct bfa_fw_port_fpg_stats_s { + u32 intr_evt; + u32 intr; + u32 intr_excess; + u32 intr_cause0; + u32 intr_other; + u32 intr_other_ign; + u32 sig_lost; + u32 sig_regained; + u32 sync_lost; + u32 sync_to; + u32 sync_regained; + u32 div2_overflow; + u32 div2_underflow; + u32 efifo_overflow; + u32 efifo_underflow; + u32 idle_rx; + u32 lrr_rx; + u32 lr_rx; + u32 ols_rx; + u32 nos_rx; + u32 lip_rx; + u32 arbf0_rx; + u32 mrk_rx; + u32 const_mrk_rx; + u32 prim_unknown; + u32 rsvd; +}; + + +struct bfa_fw_port_lksm_stats_s { + u32 hwsm_success; /* hwsm state machine success */ + u32 hwsm_fails; /* hwsm fails */ + u32 hwsm_wdtov; /* hwsm timed out */ + u32 swsm_success; /* swsm success */ + u32 swsm_fails; /* swsm fails */ + u32 swsm_wdtov; /* swsm timed out */ + u32 busybufs; /* link init failed due to busybuf */ + u32 buf_waits; /* bufwait state entries */ + u32 link_fails; /* link failures */ + u32 psp_errors; /* primitive sequence protocol errors */ + u32 lr_unexp; /* No. of times LR rx-ed unexpectedly */ + u32 lrr_unexp; /* No. of times LRR rx-ed unexpectedly */ + u32 lr_tx; /* No. of times LR tx started */ + u32 lrr_tx; /* No. of times LRR tx started */ + u32 ols_tx; /* No. of times OLS tx started */ + u32 nos_tx; /* No. of times NOS tx started */ +}; + + +struct bfa_fw_port_snsm_stats_s { + u32 hwsm_success; /* Successful hwsm terminations */ + u32 hwsm_fails; /* hwsm fail count */ + u32 hwsm_wdtov; /* hwsm timed out */ + u32 swsm_success; /* swsm success */ + u32 swsm_wdtov; /* swsm timed out */ + u32 error_resets; /* error resets initiated by upsm */ + u32 sync_lost; /* Sync loss count */ + u32 sig_lost; /* Signal loss count */ +}; + + +struct bfa_fw_port_physm_stats_s { + u32 module_inserts; /* Module insert count */ + u32 module_xtracts; /* Module extracts count */ + u32 module_invalids; /* Invalid module inserted count */ + u32 module_read_ign; /* Module validation status ignored */ + u32 laser_faults; /* Laser fault count */ + u32 rsvd; +}; + + +struct bfa_fw_fip_stats_s { + u32 disc_req; /* Discovery solicit requests */ + u32 disc_rsp; /* Discovery solicit response */ + u32 disc_err; /* Discovery advt. parse errors */ + u32 disc_unsol; /* Discovery unsolicited */ + u32 disc_timeouts; /* Discovery timeouts */ + u32 linksvc_unsupp; /* Unsupported link service req */ + u32 linksvc_err; /* Parse error in link service req */ + u32 logo_req; /* Number of FIP logos received */ + u32 clrvlink_req; /* Clear virtual link req */ + u32 op_unsupp; /* Unsupported FIP operation */ + u32 untagged; /* Untagged frames (ignored) */ + u32 rsvd; +}; + + +struct bfa_fw_lps_stats_s { + u32 mac_invalids; /* Invalid mac assigned */ + u32 rsvd; +}; + + +struct bfa_fw_fcoe_stats_s { + u32 cee_linkups; /* CEE link up count */ + u32 cee_linkdns; /* CEE link down count */ + u32 fip_linkups; /* FIP link up count */ + u32 fip_linkdns; /* FIP link up count */ + u32 fip_fails; /* FIP fail count */ + u32 mac_invalids; /* Invalid mac assigned */ +}; + +/** + * IOC firmware FCoE port stats + */ +struct bfa_fw_fcoe_port_stats_s { + struct bfa_fw_fcoe_stats_s fcoe_stats; + struct bfa_fw_fip_stats_s fip_stats; +}; + +/** + * IOC firmware FC port stats + */ +struct bfa_fw_fc_port_stats_s { + struct bfa_fw_port_fpg_stats_s fpg_stats; + struct bfa_fw_port_physm_stats_s physm_stats; + struct bfa_fw_port_snsm_stats_s snsm_stats; + struct bfa_fw_port_lksm_stats_s lksm_stats; +}; + +/** + * IOC firmware FC port stats + */ +union bfa_fw_port_stats_s { + struct bfa_fw_fc_port_stats_s fc_stats; + struct bfa_fw_fcoe_port_stats_s fcoe_stats; +}; + +/** + * IOC firmware stats + */ +struct bfa_fw_stats_s { + struct bfa_fw_ioc_stats_s ioc_stats; + struct bfa_fw_io_stats_s io_stats; + union bfa_fw_port_stats_s port_stats; +}; + +/** + * IOC statistics + */ +struct bfa_iocfc_stats_s { + struct bfa_fw_stats_s fw_stats; /* firmware IOC stats */ +}; + +/** + * IOC attributes returned in queries + */ +struct bfa_iocfc_attr_s { + struct bfa_iocfc_cfg_s config; /* IOCFC config */ + struct bfa_iocfc_intr_attr_s intr_attr; /* interrupt attr */ +}; + +#define BFA_IOCFC_PATHTOV_MAX 60 +#define BFA_IOCFC_QDEPTH_MAX 2000 + +#endif /* __BFA_DEFS_IOC_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_ipfc.h b/drivers/scsi/bfa/include/defs/bfa_defs_ipfc.h new file mode 100644 index 000000000000..7cb63ea98f38 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_ipfc.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_IPFC_H__ +#define __BFA_DEFS_IPFC_H__ + +#include <bfa_os_inc.h> +#include <protocol/types.h> +#include <defs/bfa_defs_types.h> + +/** + * FCS ip remote port states + */ +enum bfa_iprp_state { + BFA_IPRP_UNINIT = 0, /* PORT is not yet initialized */ + BFA_IPRP_ONLINE = 1, /* process login is complete */ + BFA_IPRP_OFFLINE = 2, /* iprp is offline */ +}; + +/** + * FCS remote port statistics + */ +struct bfa_iprp_stats_s { + u32 offlines; + u32 onlines; + u32 rscns; + u32 plogis; + u32 logos; + u32 plogi_timeouts; + u32 plogi_rejects; +}; + +/** + * FCS iprp attribute returned in queries + */ +struct bfa_iprp_attr_s { + enum bfa_iprp_state state; +}; + +struct bfa_ipfc_stats_s { + u32 arp_sent; + u32 arp_recv; + u32 arp_reply_sent; + u32 arp_reply_recv; + u32 farp_sent; + u32 farp_recv; + u32 farp_reply_sent; + u32 farp_reply_recv; + u32 farp_reject_sent; + u32 farp_reject_recv; +}; + +struct bfa_ipfc_attr_s { + bfa_boolean_t enabled; +}; + +#endif /* __BFA_DEFS_IPFC_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_itnim.h b/drivers/scsi/bfa/include/defs/bfa_defs_itnim.h new file mode 100644 index 000000000000..2ec769903d24 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_itnim.h @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_ITNIM_H__ +#define __BFA_DEFS_ITNIM_H__ + +#include <bfa_os_inc.h> +#include <protocol/types.h> + +/** + * FCS itnim states + */ +enum bfa_itnim_state { + BFA_ITNIM_OFFLINE = 0, /* offline */ + BFA_ITNIM_PRLI_SEND = 1, /* prli send */ + BFA_ITNIM_PRLI_SENT = 2, /* prli sent */ + BFA_ITNIM_PRLI_RETRY = 3, /* prli retry */ + BFA_ITNIM_HCB_ONLINE = 4, /* online callback */ + BFA_ITNIM_ONLINE = 5, /* online */ + BFA_ITNIM_HCB_OFFLINE = 6, /* offline callback */ + BFA_ITNIM_INITIATIOR = 7, /* initiator */ +}; + +struct bfa_itnim_hal_stats_s { + u32 onlines; /* ITN nexus onlines (PRLI done) */ + u32 offlines; /* ITN Nexus offlines */ + u32 creates; /* ITN create requests */ + u32 deletes; /* ITN delete requests */ + u32 create_comps; /* ITN create completions */ + u32 delete_comps; /* ITN delete completions */ + u32 sler_events; /* SLER (sequence level error + * recovery) events */ + u32 ioc_disabled; /* Num IOC disables */ + u32 cleanup_comps; /* ITN cleanup completions */ + u32 tm_cmnds; /* task management(TM) cmnds sent */ + u32 tm_fw_rsps; /* TM cmds firmware responses */ + u32 tm_success; /* TM successes */ + u32 tm_failures; /* TM failures */ + u32 tm_io_comps; /* TM IO completions */ + u32 tm_qresumes; /* TM queue resumes (after waiting + * for resources) + */ + u32 tm_iocdowns; /* TM cmnds affected by IOC down */ + u32 tm_cleanups; /* TM cleanups */ + u32 tm_cleanup_comps; + /* TM cleanup completions */ + u32 ios; /* IO requests */ + u32 io_comps; /* IO completions */ + u64 input_reqs; /* INPUT requests */ + u64 output_reqs; /* OUTPUT requests */ +}; + +/** + * FCS remote port statistics + */ +struct bfa_itnim_stats_s { + u32 onlines; /* num rport online */ + u32 offlines; /* num rport offline */ + u32 prli_sent; /* num prli sent out */ + u32 fcxp_alloc_wait;/* num fcxp alloc waits */ + u32 prli_rsp_err; /* num prli rsp errors */ + u32 prli_rsp_acc; /* num prli rsp accepts */ + u32 initiator; /* rport is an initiator */ + u32 prli_rsp_parse_err; /* prli rsp parsing errors */ + u32 prli_rsp_rjt; /* num prli rsp rejects */ + u32 timeout; /* num timeouts detected */ + u32 sler; /* num sler notification from BFA */ + u32 rsvd; + struct bfa_itnim_hal_stats_s hal_stats; +}; + +/** + * FCS itnim attributes returned in queries + */ +struct bfa_itnim_attr_s { + enum bfa_itnim_state state; /* FCS itnim state */ + u8 retry; /* data retransmision support */ + u8 task_retry_id; /* task retry ident support */ + u8 rec_support; /* REC supported */ + u8 conf_comp; /* confirmed completion supp */ +}; + +/** + * BFA ITNIM events. + * Arguments below are in BFAL context from Mgmt + * BFA_ITNIM_AEN_NEW: [in]: None [out]: vf_id, lpwwn + * BFA_ITNIM_AEN_DELETE: [in]: vf_id, lpwwn, rpwwn (0 = all fcp4 targets), + * [out]: vf_id, ppwwn, lpwwn, rpwwn + * BFA_ITNIM_AEN_ONLINE: [in]: vf_id, lpwwn, rpwwn (0 = all fcp4 targets), + * [out]: vf_id, ppwwn, lpwwn, rpwwn + * BFA_ITNIM_AEN_OFFLINE: [in]: vf_id, lpwwn, rpwwn (0 = all fcp4 targets), + * [out]: vf_id, ppwwn, lpwwn, rpwwn + * BFA_ITNIM_AEN_DISCONNECT:[in]: vf_id, lpwwn, rpwwn (0 = all fcp4 targets), + * [out]: vf_id, ppwwn, lpwwn, rpwwn + */ +enum bfa_itnim_aen_event { + BFA_ITNIM_AEN_ONLINE = 1, /* Target online */ + BFA_ITNIM_AEN_OFFLINE = 2, /* Target offline */ + BFA_ITNIM_AEN_DISCONNECT = 3, /* Target disconnected */ +}; + +/** + * BFA ITNIM event data structure. + */ +struct bfa_itnim_aen_data_s { + u16 vf_id; /* vf_id of the IT nexus */ + u16 rsvd[3]; + wwn_t ppwwn; /* WWN of its physical port */ + wwn_t lpwwn; /* WWN of logical port */ + wwn_t rpwwn; /* WWN of remote(target) port */ +}; + +#endif /* __BFA_DEFS_ITNIM_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_led.h b/drivers/scsi/bfa/include/defs/bfa_defs_led.h new file mode 100644 index 000000000000..62039273264e --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_led.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_LED_H__ +#define __BFA_DEFS_LED_H__ + +#define BFA_LED_MAX_NUM 3 + +enum bfa_led_op { + BFA_LED_OFF = 0, + BFA_LED_ON = 1, + BFA_LED_FLICK = 2, + BFA_LED_BLINK = 3, +}; + +enum bfa_led_color { + BFA_LED_GREEN = 0, + BFA_LED_AMBER = 1, +}; + +#endif /* __BFA_DEFS_LED_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_lport.h b/drivers/scsi/bfa/include/defs/bfa_defs_lport.h new file mode 100644 index 000000000000..7359f82aacfc --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_lport.h @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_LPORT_H__ +#define __BFA_DEFS_LPORT_H__ + +#include <defs/bfa_defs_types.h> +#include <defs/bfa_defs_port.h> + +/** + * BFA AEN logical port events. + * Arguments below are in BFAL context from Mgmt + * BFA_LPORT_AEN_NEW: [in]: None [out]: vf_id, ppwwn, lpwwn, roles + * BFA_LPORT_AEN_DELETE: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_ONLINE: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_OFFLINE: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_DISCONNECT:[in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_NEW_PROP: [in]: None [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_DELETE_PROP: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_NEW_STANDARD: [in]: None [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_DELETE_STANDARD: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_NPIV_DUP_WWN: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_NPIV_FABRIC_MAX: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + * BFA_LPORT_AEN_NPIV_UNKNOWN: [in]: lpwwn [out]: vf_id, ppwwn. lpwwn, roles + */ +enum bfa_lport_aen_event { + BFA_LPORT_AEN_NEW = 1, /* LPort created event */ + BFA_LPORT_AEN_DELETE = 2, /* LPort deleted event */ + BFA_LPORT_AEN_ONLINE = 3, /* LPort online event */ + BFA_LPORT_AEN_OFFLINE = 4, /* LPort offline event */ + BFA_LPORT_AEN_DISCONNECT = 5, /* LPort disconnect event */ + BFA_LPORT_AEN_NEW_PROP = 6, /* VPort created event */ + BFA_LPORT_AEN_DELETE_PROP = 7, /* VPort deleted event */ + BFA_LPORT_AEN_NEW_STANDARD = 8, /* VPort created event */ + BFA_LPORT_AEN_DELETE_STANDARD = 9, /* VPort deleted event */ + BFA_LPORT_AEN_NPIV_DUP_WWN = 10, /* VPort configured with + * duplicate WWN event + */ + BFA_LPORT_AEN_NPIV_FABRIC_MAX = 11, /* Max NPIV in fabric/fport */ + BFA_LPORT_AEN_NPIV_UNKNOWN = 12, /* Unknown NPIV Error code event */ +}; + +/** + * BFA AEN event data structure + */ +struct bfa_lport_aen_data_s { + u16 vf_id; /* vf_id of this logical port */ + u16 rsvd; + enum bfa_port_role roles; /* Logical port mode,IM/TM/IP etc */ + wwn_t ppwwn; /* WWN of its physical port */ + wwn_t lpwwn; /* WWN of this logical port */ +}; + +#endif /* __BFA_DEFS_LPORT_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_mfg.h b/drivers/scsi/bfa/include/defs/bfa_defs_mfg.h new file mode 100644 index 000000000000..13fd4ab6aae2 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_mfg.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_MFG_H__ +#define __BFA_DEFS_MFG_H__ + +#include <bfa_os_inc.h> + +/** + * Manufacturing block version + */ +#define BFA_MFG_VERSION 1 + +/** + * Manufacturing block format + */ +#define BFA_MFG_SERIALNUM_SIZE 11 +#define BFA_MFG_PARTNUM_SIZE 14 +#define BFA_MFG_SUPPLIER_ID_SIZE 10 +#define BFA_MFG_SUPPLIER_PARTNUM_SIZE 20 +#define BFA_MFG_SUPPLIER_SERIALNUM_SIZE 20 +#define BFA_MFG_SUPPLIER_REVISION_SIZE 4 +#define STRSZ(_n) (((_n) + 4) & ~3) + +/** + * VPD data length + */ +#define BFA_MFG_VPD_LEN 256 + +/** + * All numerical fields are in big-endian format. + */ +struct bfa_mfg_vpd_s { + u8 version; /* vpd data version */ + u8 vpd_sig[3]; /* characters 'V', 'P', 'D' */ + u8 chksum; /* u8 checksum */ + u8 vendor; /* vendor */ + u8 len; /* vpd data length excluding header */ + u8 rsv; + u8 data[BFA_MFG_VPD_LEN]; /* vpd data */ +}; + +#pragma pack(1) + +#endif /* __BFA_DEFS_MFG_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_pci.h b/drivers/scsi/bfa/include/defs/bfa_defs_pci.h new file mode 100644 index 000000000000..c9b83321694b --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_pci.h @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_PCI_H__ +#define __BFA_DEFS_PCI_H__ + +/** + * PCI device and vendor ID information + */ +enum { + BFA_PCI_VENDOR_ID_BROCADE = 0x1657, + BFA_PCI_DEVICE_ID_FC_8G2P = 0x13, + BFA_PCI_DEVICE_ID_FC_8G1P = 0x17, + BFA_PCI_DEVICE_ID_CT = 0x14, +}; + +/** + * PCI sub-system device and vendor ID information + */ +enum { + BFA_PCI_FCOE_SSDEVICE_ID = 0x14, +}; + +#define BFA_PCI_ACCESS_RANGES 1 /* Maximum number of device address ranges + * mapped through different BAR(s). */ + +#endif /* __BFA_DEFS_PCI_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_pm.h b/drivers/scsi/bfa/include/defs/bfa_defs_pm.h new file mode 100644 index 000000000000..e8d6d959006e --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_pm.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_PM_H__ +#define __BFA_DEFS_PM_H__ + +#include <bfa_os_inc.h> + +/** + * BFA power management device states + */ +enum bfa_pm_ds { + BFA_PM_DS_D0 = 0, /* full power mode */ + BFA_PM_DS_D1 = 1, /* power save state 1 */ + BFA_PM_DS_D2 = 2, /* power save state 2 */ + BFA_PM_DS_D3 = 3, /* power off state */ +}; + +#endif /* __BFA_DEFS_PM_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_pom.h b/drivers/scsi/bfa/include/defs/bfa_defs_pom.h new file mode 100644 index 000000000000..d9fa278472b7 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_pom.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_POM_H__ +#define __BFA_DEFS_POM_H__ + +#include <bfa_os_inc.h> +#include <defs/bfa_defs_types.h> + +/** + * POM health status levels for each attributes. + */ +enum bfa_pom_entry_health { + BFA_POM_HEALTH_NOINFO = 1, /* no information */ + BFA_POM_HEALTH_NORMAL = 2, /* health is normal */ + BFA_POM_HEALTH_WARNING = 3, /* warning level */ + BFA_POM_HEALTH_ALARM = 4, /* alarming level */ +}; + +/** + * Reading of temperature/voltage/current/power + */ +struct bfa_pom_entry_s { + enum bfa_pom_entry_health health; /* POM entry health */ + u32 curr_value; /* current value */ + u32 thr_warn_high; /* threshold warning high */ + u32 thr_warn_low; /* threshold warning low */ + u32 thr_alarm_low; /* threshold alaram low */ + u32 thr_alarm_high; /* threshold alarm high */ +}; + +/** + * POM attributes + */ +struct bfa_pom_attr_s { + struct bfa_pom_entry_s temperature; /* centigrade */ + struct bfa_pom_entry_s voltage; /* volts */ + struct bfa_pom_entry_s curr; /* milli amps */ + struct bfa_pom_entry_s txpower; /* micro watts */ + struct bfa_pom_entry_s rxpower; /* micro watts */ +}; + +#endif /* __BFA_DEFS_POM_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_port.h b/drivers/scsi/bfa/include/defs/bfa_defs_port.h new file mode 100644 index 000000000000..de0696c81bc4 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_port.h @@ -0,0 +1,245 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_PORT_H__ +#define __BFA_DEFS_PORT_H__ + +#include <bfa_os_inc.h> +#include <protocol/types.h> +#include <defs/bfa_defs_pport.h> +#include <defs/bfa_defs_ioc.h> + +#define BFA_FCS_FABRIC_IPADDR_SZ 16 + +/** + * symbolic names for base port/virtual port + */ +#define BFA_SYMNAME_MAXLEN 128 /* vmware/windows uses 128 bytes */ +struct bfa_port_symname_s { + char symname[BFA_SYMNAME_MAXLEN]; +}; + +/** +* Roles of FCS port: + * - FCP IM and FCP TM roles cannot be enabled together for a FCS port + * - Create multiple ports if both IM and TM functions required. + * - Atleast one role must be specified. + */ +enum bfa_port_role { + BFA_PORT_ROLE_FCP_IM = 0x01, /* FCP initiator role */ + BFA_PORT_ROLE_FCP_TM = 0x02, /* FCP target role */ + BFA_PORT_ROLE_FCP_IPFC = 0x04, /* IP over FC role */ + BFA_PORT_ROLE_FCP_MAX = BFA_PORT_ROLE_FCP_IPFC | BFA_PORT_ROLE_FCP_IM +}; + +/** + * FCS port configuration. + */ +struct bfa_port_cfg_s { + wwn_t pwwn; /* port wwn */ + wwn_t nwwn; /* node wwn */ + struct bfa_port_symname_s sym_name; /* vm port symbolic name */ + enum bfa_port_role roles; /* FCS port roles */ + u32 rsvd; + u8 tag[16]; /* opaque tag from application */ +}; + +/** + * FCS port states + */ +enum bfa_port_state { + BFA_PORT_UNINIT = 0, /* PORT is not yet initialized */ + BFA_PORT_FDISC = 1, /* FDISC is in progress */ + BFA_PORT_ONLINE = 2, /* login to fabric is complete */ + BFA_PORT_OFFLINE = 3, /* No login to fabric */ +}; + +/** + * FCS port type. Required for VmWare. + */ +enum bfa_port_type { + BFA_PORT_TYPE_PHYSICAL = 0, + BFA_PORT_TYPE_VIRTUAL, +}; + +/** + * FCS port offline reason. Required for VmWare. + */ +enum bfa_port_offline_reason { + BFA_PORT_OFFLINE_UNKNOWN = 0, + BFA_PORT_OFFLINE_LINKDOWN, + BFA_PORT_OFFLINE_FAB_UNSUPPORTED, /* NPIV not supported by the + * fabric */ + BFA_PORT_OFFLINE_FAB_NORESOURCES, + BFA_PORT_OFFLINE_FAB_LOGOUT, +}; + +/** + * FCS lport info. Required for VmWare. + */ +struct bfa_port_info_s { + u8 port_type; /* bfa_port_type_t : physical or + * virtual */ + u8 port_state; /* one of bfa_port_state values */ + u8 offline_reason; /* one of bfa_port_offline_reason_t + * values */ + wwn_t port_wwn; + wwn_t node_wwn; + + /* + * following 4 feilds are valid for Physical Ports only + */ + u32 max_vports_supp; /* Max supported vports */ + u32 num_vports_inuse; /* Num of in use vports */ + u32 max_rports_supp; /* Max supported rports */ + u32 num_rports_inuse; /* Num of doscovered rports */ + +}; + +/** + * FCS port statistics + */ +struct bfa_port_stats_s { + u32 ns_plogi_sent; + u32 ns_plogi_rsp_err; + u32 ns_plogi_acc_err; + u32 ns_plogi_accepts; + u32 ns_rejects; /* NS command rejects */ + u32 ns_plogi_unknown_rsp; + u32 ns_plogi_alloc_wait; + + u32 ns_retries; /* NS command retries */ + u32 ns_timeouts; /* NS command timeouts */ + + u32 ns_rspnid_sent; + u32 ns_rspnid_accepts; + u32 ns_rspnid_rsp_err; + u32 ns_rspnid_rejects; + u32 ns_rspnid_alloc_wait; + + u32 ns_rftid_sent; + u32 ns_rftid_accepts; + u32 ns_rftid_rsp_err; + u32 ns_rftid_rejects; + u32 ns_rftid_alloc_wait; + + u32 ns_rffid_sent; + u32 ns_rffid_accepts; + u32 ns_rffid_rsp_err; + u32 ns_rffid_rejects; + u32 ns_rffid_alloc_wait; + + u32 ns_gidft_sent; + u32 ns_gidft_accepts; + u32 ns_gidft_rsp_err; + u32 ns_gidft_rejects; + u32 ns_gidft_unknown_rsp; + u32 ns_gidft_alloc_wait; + + /* + * Mgmt Server stats + */ + u32 ms_retries; /* MS command retries */ + u32 ms_timeouts; /* MS command timeouts */ + u32 ms_plogi_sent; + u32 ms_plogi_rsp_err; + u32 ms_plogi_acc_err; + u32 ms_plogi_accepts; + u32 ms_rejects; /* NS command rejects */ + u32 ms_plogi_unknown_rsp; + u32 ms_plogi_alloc_wait; + + u32 num_rscn; /* Num of RSCN received */ + u32 num_portid_rscn;/* Num portid format RSCN + * received */ + + u32 uf_recvs; /* unsolicited recv frames */ + u32 uf_recv_drops; /* dropped received frames */ + + u32 rsvd; /* padding for 64 bit alignment */ +}; + +/** + * BFA port attribute returned in queries + */ +struct bfa_port_attr_s { + enum bfa_port_state state; /* port state */ + u32 pid; /* port ID */ + struct bfa_port_cfg_s port_cfg; /* port configuration */ + enum bfa_pport_type port_type; /* current topology */ + u32 loopback; /* cable is externally looped back */ + wwn_t fabric_name; /* attached switch's nwwn */ + u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; /* attached + * fabric's ip addr */ +}; + +/** + * BFA physical port Level events + * Arguments below are in BFAL context from Mgmt + * BFA_PORT_AEN_ONLINE: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_OFFLINE: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_RLIR: [in]: None [out]: pwwn, rlir_data, rlir_len + * BFA_PORT_AEN_SFP_INSERT: [in]: pwwn [out]: port_id, pwwn + * BFA_PORT_AEN_SFP_REMOVE: [in]: pwwn [out]: port_id, pwwn + * BFA_PORT_AEN_SFP_POM: [in]: pwwn [out]: level, port_id, pwwn + * BFA_PORT_AEN_ENABLE: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_DISABLE: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_AUTH_ON: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_AUTH_OFF: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_DISCONNECT: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_QOS_NEG: [in]: pwwn [out]: pwwn + * BFA_PORT_AEN_FABRIC_NAME_CHANGE: [in]: pwwn, [out]: pwwn, fwwn + * + */ +enum bfa_port_aen_event { + BFA_PORT_AEN_ONLINE = 1, /* Physical Port online event */ + BFA_PORT_AEN_OFFLINE = 2, /* Physical Port offline event */ + BFA_PORT_AEN_RLIR = 3, /* RLIR event, not supported */ + BFA_PORT_AEN_SFP_INSERT = 4, /* SFP inserted event */ + BFA_PORT_AEN_SFP_REMOVE = 5, /* SFP removed event */ + BFA_PORT_AEN_SFP_POM = 6, /* SFP POM event */ + BFA_PORT_AEN_ENABLE = 7, /* Physical Port enable event */ + BFA_PORT_AEN_DISABLE = 8, /* Physical Port disable event */ + BFA_PORT_AEN_AUTH_ON = 9, /* Physical Port auth success event */ + BFA_PORT_AEN_AUTH_OFF = 10, /* Physical Port auth fail event */ + BFA_PORT_AEN_DISCONNECT = 11, /* Physical Port disconnect event */ + BFA_PORT_AEN_QOS_NEG = 12, /* Base Port QOS negotiation event */ + BFA_PORT_AEN_FABRIC_NAME_CHANGE = 13, /* Fabric Name/WWN change + * event */ + BFA_PORT_AEN_SFP_ACCESS_ERROR = 14, /* SFP read error event */ + BFA_PORT_AEN_SFP_UNSUPPORT = 15, /* Unsupported SFP event */ +}; + +enum bfa_port_aen_sfp_pom { + BFA_PORT_AEN_SFP_POM_GREEN = 1, /* Normal */ + BFA_PORT_AEN_SFP_POM_AMBER = 2, /* Warning */ + BFA_PORT_AEN_SFP_POM_RED = 3, /* Critical */ + BFA_PORT_AEN_SFP_POM_MAX = BFA_PORT_AEN_SFP_POM_RED +}; + +struct bfa_port_aen_data_s { + enum bfa_ioc_type_e ioc_type; + wwn_t pwwn; /* WWN of the physical port */ + wwn_t fwwn; /* WWN of the fabric port */ + mac_t mac; /* MAC addres of the ethernet port, + * applicable to CNA port only */ + int phy_port_num; /*! For SFP related events */ + enum bfa_port_aen_sfp_pom level; /* Only transitions will + * be informed */ +}; + +#endif /* __BFA_DEFS_PORT_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_pport.h b/drivers/scsi/bfa/include/defs/bfa_defs_pport.h new file mode 100644 index 000000000000..a000bc4e2d4a --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_pport.h @@ -0,0 +1,383 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_PPORT_H__ +#define __BFA_DEFS_PPORT_H__ + +#include <bfa_os_inc.h> +#include <protocol/fc.h> +#include <defs/bfa_defs_types.h> +#include <defs/bfa_defs_qos.h> +#include <cna/pstats/phyport_defs.h> + +/* Modify char* port_stt[] in bfal_port.c if a new state was added */ +enum bfa_pport_states { + BFA_PPORT_ST_UNINIT = 1, + BFA_PPORT_ST_ENABLING_QWAIT = 2, + BFA_PPORT_ST_ENABLING = 3, + BFA_PPORT_ST_LINKDOWN = 4, + BFA_PPORT_ST_LINKUP = 5, + BFA_PPORT_ST_DISABLING_QWAIT = 6, + BFA_PPORT_ST_DISABLING = 7, + BFA_PPORT_ST_DISABLED = 8, + BFA_PPORT_ST_STOPPED = 9, + BFA_PPORT_ST_IOCDOWN = 10, + BFA_PPORT_ST_IOCDIS = 11, + BFA_PPORT_ST_FWMISMATCH = 12, + BFA_PPORT_ST_MAX_STATE, +}; + +/** + * Port speed settings. Each specific speed is a bit field. Use multiple + * bits to specify speeds to be selected for auto-negotiation. + */ +enum bfa_pport_speed { + BFA_PPORT_SPEED_UNKNOWN = 0, + BFA_PPORT_SPEED_1GBPS = 1, + BFA_PPORT_SPEED_2GBPS = 2, + BFA_PPORT_SPEED_4GBPS = 4, + BFA_PPORT_SPEED_8GBPS = 8, + BFA_PPORT_SPEED_10GBPS = 10, + BFA_PPORT_SPEED_AUTO = + (BFA_PPORT_SPEED_1GBPS | BFA_PPORT_SPEED_2GBPS | + BFA_PPORT_SPEED_4GBPS | BFA_PPORT_SPEED_8GBPS), +}; + +/** + * Port operational type (in sync with SNIA port type). + */ +enum bfa_pport_type { + BFA_PPORT_TYPE_UNKNOWN = 1, /* port type is unkown */ + BFA_PPORT_TYPE_TRUNKED = 2, /* Trunked mode */ + BFA_PPORT_TYPE_NPORT = 5, /* P2P with switched fabric */ + BFA_PPORT_TYPE_NLPORT = 6, /* public loop */ + BFA_PPORT_TYPE_LPORT = 20, /* private loop */ + BFA_PPORT_TYPE_P2P = 21, /* P2P with no switched fabric */ + BFA_PPORT_TYPE_VPORT = 22, /* NPIV - virtual port */ +}; + +/** + * Port topology setting. A port's topology and fabric login status + * determine its operational type. + */ +enum bfa_pport_topology { + BFA_PPORT_TOPOLOGY_NONE = 0, /* No valid topology */ + BFA_PPORT_TOPOLOGY_P2P = 1, /* P2P only */ + BFA_PPORT_TOPOLOGY_LOOP = 2, /* LOOP topology */ + BFA_PPORT_TOPOLOGY_AUTO = 3, /* auto topology selection */ +}; + +/** + * Physical port loopback types. + */ +enum bfa_pport_opmode { + BFA_PPORT_OPMODE_NORMAL = 0x00, /* normal non-loopback mode */ + BFA_PPORT_OPMODE_LB_INT = 0x01, /* internal loop back */ + BFA_PPORT_OPMODE_LB_SLW = 0x02, /* serial link wrapback (serdes) */ + BFA_PPORT_OPMODE_LB_EXT = 0x04, /* external loop back (serdes) */ + BFA_PPORT_OPMODE_LB_CBL = 0x08, /* cabled loop back */ + BFA_PPORT_OPMODE_LB_NLINT = 0x20, /* NL_Port internal loopback */ +}; + +#define BFA_PPORT_OPMODE_LB_HARD(_mode) \ + ((_mode == BFA_PPORT_OPMODE_LB_INT) || \ + (_mode == BFA_PPORT_OPMODE_LB_SLW) || \ + (_mode == BFA_PPORT_OPMODE_LB_EXT)) + +/** + Port State (in sync with SNIA port state). + */ +enum bfa_pport_snia_state { + BFA_PPORT_STATE_UNKNOWN = 1, /* port is not initialized */ + BFA_PPORT_STATE_ONLINE = 2, /* port is ONLINE */ + BFA_PPORT_STATE_DISABLED = 3, /* port is disabled by user */ + BFA_PPORT_STATE_BYPASSED = 4, /* port is bypassed (in LOOP) */ + BFA_PPORT_STATE_DIAG = 5, /* port diagnostics is active */ + BFA_PPORT_STATE_LINKDOWN = 6, /* link is down */ + BFA_PPORT_STATE_LOOPBACK = 8, /* port is looped back */ +}; + +/** + * Port link state + */ +enum bfa_pport_linkstate { + BFA_PPORT_LINKUP = 1, /* Physical port/Trunk link up */ + BFA_PPORT_LINKDOWN = 2, /* Physical port/Trunk link down */ + BFA_PPORT_TRUNK_LINKDOWN = 3, /* Trunk link down (new tmaster) */ +}; + +/** + * Port link state event + */ +#define bfa_pport_event_t enum bfa_pport_linkstate + +/** + * Port link state reason code + */ +enum bfa_pport_linkstate_rsn { + BFA_PPORT_LINKSTATE_RSN_NONE = 0, + BFA_PPORT_LINKSTATE_RSN_DISABLED = 1, + BFA_PPORT_LINKSTATE_RSN_RX_NOS = 2, + BFA_PPORT_LINKSTATE_RSN_RX_OLS = 3, + BFA_PPORT_LINKSTATE_RSN_RX_LIP = 4, + BFA_PPORT_LINKSTATE_RSN_RX_LIPF7 = 5, + BFA_PPORT_LINKSTATE_RSN_SFP_REMOVED = 6, + BFA_PPORT_LINKSTATE_RSN_PORT_FAULT = 7, + BFA_PPORT_LINKSTATE_RSN_RX_LOS = 8, + BFA_PPORT_LINKSTATE_RSN_LOCAL_FAULT = 9, + BFA_PPORT_LINKSTATE_RSN_REMOTE_FAULT = 10, + BFA_PPORT_LINKSTATE_RSN_TIMEOUT = 11, + + + + /* CEE related reason codes/errors */ + CEE_LLDP_INFO_AGED_OUT = 20, + CEE_LLDP_SHUTDOWN_TLV_RCVD = 21, + CEE_PEER_NOT_ADVERTISE_DCBX = 22, + CEE_PEER_NOT_ADVERTISE_PG = 23, + CEE_PEER_NOT_ADVERTISE_PFC = 24, + CEE_PEER_NOT_ADVERTISE_FCOE = 25, + CEE_PG_NOT_COMPATIBLE = 26, + CEE_PFC_NOT_COMPATIBLE = 27, + CEE_FCOE_NOT_COMPATIBLE = 28, + CEE_BAD_PG_RCVD = 29, + CEE_BAD_BW_RCVD = 30, + CEE_BAD_PFC_RCVD = 31, + CEE_BAD_FCOE_PRI_RCVD = 32, + CEE_FCOE_PRI_PFC_OFF = 33, + CEE_DUP_CONTROL_TLV_RCVD = 34, + CEE_DUP_FEAT_TLV_RCVD = 35, + CEE_APPLY_NEW_CFG = 36, /* reason, not an error */ + CEE_PROTOCOL_INIT = 37, /* reason, not an error */ + CEE_PHY_LINK_DOWN = 38, + CEE_LLS_FCOE_ABSENT = 39, + CEE_LLS_FCOE_DOWN = 40 +}; + +/** + * Default Target Rate Limiting Speed. + */ +#define BFA_PPORT_DEF_TRL_SPEED BFA_PPORT_SPEED_1GBPS + +/** + * Physical port configuration + */ +struct bfa_pport_cfg_s { + u8 topology; /* bfa_pport_topology */ + u8 speed; /* enum bfa_pport_speed */ + u8 trunked; /* trunked or not */ + u8 qos_enabled; /* qos enabled or not */ + u8 trunk_ports; /* bitmap of trunked ports */ + u8 cfg_hardalpa; /* is hard alpa configured */ + u16 maxfrsize; /* maximum frame size */ + u8 hardalpa; /* configured hard alpa */ + u8 rx_bbcredit; /* receive buffer credits */ + u8 tx_bbcredit; /* transmit buffer credits */ + u8 ratelimit; /* ratelimit enabled or not */ + u8 trl_def_speed; /* ratelimit default speed */ + u8 rsvd[3]; + u16 path_tov; /* device path timeout */ + u16 q_depth; /* SCSI Queue depth */ +}; + +/** + * Port attribute values. + */ +struct bfa_pport_attr_s { + /* + * Static fields + */ + wwn_t nwwn; /* node wwn */ + wwn_t pwwn; /* port wwn */ + enum fc_cos cos_supported; /* supported class of services */ + u32 rsvd; + struct fc_symname_s port_symname; /* port symbolic name */ + enum bfa_pport_speed speed_supported; /* supported speeds */ + bfa_boolean_t pbind_enabled; /* Will be set if Persistent binding + * enabled. Relevant only in Windows + */ + + /* + * Configured values + */ + struct bfa_pport_cfg_s pport_cfg; /* pport cfg */ + + /* + * Dynamic field - info from BFA + */ + enum bfa_pport_states port_state; /* current port state */ + enum bfa_pport_speed speed; /* current speed */ + enum bfa_pport_topology topology; /* current topology */ + bfa_boolean_t beacon; /* current beacon status */ + bfa_boolean_t link_e2e_beacon;/* set if link beacon on */ + bfa_boolean_t plog_enabled; /* set if portlog is enabled*/ + + /* + * Dynamic field - info from FCS + */ + u32 pid; /* port ID */ + enum bfa_pport_type port_type; /* current topology */ + u32 loopback; /* external loopback */ + u32 rsvd1; + u32 rsvd2; /* padding for 64 bit */ +}; + +/** + * FC Port statistics. + */ +struct bfa_pport_fc_stats_s { + u64 secs_reset; /* seconds since stats is reset */ + u64 tx_frames; /* transmitted frames */ + u64 tx_words; /* transmitted words */ + u64 rx_frames; /* received frames */ + u64 rx_words; /* received words */ + u64 lip_count; /* LIPs seen */ + u64 nos_count; /* NOS count */ + u64 error_frames; /* errored frames (sent?) */ + u64 dropped_frames; /* dropped frames */ + u64 link_failures; /* link failure count */ + u64 loss_of_syncs; /* loss of sync count */ + u64 loss_of_signals;/* loss of signal count */ + u64 primseq_errs; /* primitive sequence protocol */ + u64 bad_os_count; /* invalid ordered set */ + u64 err_enc_out; /* Encoding error outside frame */ + u64 invalid_crcs; /* frames received with invalid CRC*/ + u64 undersized_frm; /* undersized frames */ + u64 oversized_frm; /* oversized frames */ + u64 bad_eof_frm; /* frames with bad EOF */ + struct bfa_qos_stats_s qos_stats; /* QoS statistics */ +}; + +/** + * Eth Port statistics. + */ +struct bfa_pport_eth_stats_s { + u64 secs_reset; /* seconds since stats is reset */ + u64 frame_64; /* both rx and tx counter */ + u64 frame_65_127; /* both rx and tx counter */ + u64 frame_128_255; /* both rx and tx counter */ + u64 frame_256_511; /* both rx and tx counter */ + u64 frame_512_1023; /* both rx and tx counter */ + u64 frame_1024_1518; /* both rx and tx counter */ + u64 frame_1519_1522; /* both rx and tx counter */ + + u64 tx_bytes; + u64 tx_packets; + u64 tx_mcast_packets; + u64 tx_bcast_packets; + u64 tx_control_frame; + u64 tx_drop; + u64 tx_jabber; + u64 tx_fcs_error; + u64 tx_fragments; + + u64 rx_bytes; + u64 rx_packets; + u64 rx_mcast_packets; + u64 rx_bcast_packets; + u64 rx_control_frames; + u64 rx_unknown_opcode; + u64 rx_drop; + u64 rx_jabber; + u64 rx_fcs_error; + u64 rx_alignment_error; + u64 rx_frame_length_error; + u64 rx_code_error; + u64 rx_fragments; + + u64 rx_pause; /* BPC */ + u64 rx_zero_pause; /* BPC Pause cancellation */ + u64 tx_pause; /* BPC */ + u64 tx_zero_pause; /* BPC Pause cancellation */ + u64 rx_fcoe_pause; /* BPC */ + u64 rx_fcoe_zero_pause; /* BPC Pause cancellation */ + u64 tx_fcoe_pause; /* BPC */ + u64 tx_fcoe_zero_pause; /* BPC Pause cancellation */ +}; + +/** + * Port statistics. + */ +union bfa_pport_stats_u { + struct bfa_pport_fc_stats_s fc; + struct bfa_pport_eth_stats_s eth; +}; + +/** + * Port FCP mappings. + */ +struct bfa_pport_fcpmap_s { + char osdevname[256]; + u32 bus; + u32 target; + u32 oslun; + u32 fcid; + wwn_t nwwn; + wwn_t pwwn; + u64 fcplun; + char luid[256]; +}; + +/** + * Port RNID info. + */ +struct bfa_pport_rnid_s { + wwn_t wwn; + u32 unittype; + u32 portid; + u32 attached_nodes_num; + u16 ip_version; + u16 udp_port; + u8 ipaddr[16]; + u16 rsvd; + u16 topologydiscoveryflags; +}; + +/** + * Link state information + */ +struct bfa_pport_link_s { + u8 linkstate; /* Link state bfa_pport_linkstate */ + u8 linkstate_rsn; /* bfa_pport_linkstate_rsn_t */ + u8 topology; /* P2P/LOOP bfa_pport_topology */ + u8 speed; /* Link speed (1/2/4/8 G) */ + u32 linkstate_opt; /* Linkstate optional data (debug) */ + u8 trunked; /* Trunked or not (1 or 0) */ + u8 resvd[3]; + struct bfa_qos_attr_s qos_attr; /* QoS Attributes */ + struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */ + union { + struct { + u8 tmaster;/* Trunk Master or + * not (1 or 0) */ + u8 tlinks; /* Trunk links bitmap + * (linkup) */ + u8 resv1; /* Reserved */ + } trunk_info; + + struct { + u8 myalpa; /* alpa claimed */ + u8 login_req; /* Login required or + * not (1 or 0) */ + u8 alpabm_val;/* alpa bitmap valid + * or not (1 or 0) */ + struct fc_alpabm_s alpabm; /* alpa bitmap */ + } loop_info; + } tl; +}; + +#endif /* __BFA_DEFS_PPORT_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_qos.h b/drivers/scsi/bfa/include/defs/bfa_defs_qos.h new file mode 100644 index 000000000000..aadbacd1d2d7 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_qos.h @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_QOS_H__ +#define __BFA_DEFS_QOS_H__ + +/** + * QoS states + */ +enum bfa_qos_state { + BFA_QOS_ONLINE = 1, /* QoS is online */ + BFA_QOS_OFFLINE = 2, /* QoS is offline */ +}; + + +/** + * QoS Priority levels. + */ +enum bfa_qos_priority { + BFA_QOS_UNKNOWN = 0, + BFA_QOS_HIGH = 1, /* QoS Priority Level High */ + BFA_QOS_MED = 2, /* QoS Priority Level Medium */ + BFA_QOS_LOW = 3, /* QoS Priority Level Low */ +}; + + +/** + * QoS bandwidth allocation for each priority level + */ +enum bfa_qos_bw_alloc { + BFA_QOS_BW_HIGH = 60, /* bandwidth allocation for High */ + BFA_QOS_BW_MED = 30, /* bandwidth allocation for Medium */ + BFA_QOS_BW_LOW = 10, /* bandwidth allocation for Low */ +}; + +/** + * QoS attribute returned in QoS Query + */ +struct bfa_qos_attr_s { + enum bfa_qos_state state; /* QoS current state */ + u32 total_bb_cr; /* Total BB Credits */ +}; + +/** + * These fields should be displayed only from the CLI. + * There will be a separate BFAL API (get_qos_vc_attr ?) + * to retrieve this. + * + */ +#define BFA_QOS_MAX_VC 16 + +struct bfa_qos_vc_info_s { + u8 vc_credit; + u8 borrow_credit; + u8 priority; + u8 resvd; +}; + +struct bfa_qos_vc_attr_s { + u16 total_vc_count; /* Total VC Count */ + u16 shared_credit; + u32 elp_opmode_flags; + struct bfa_qos_vc_info_s vc_info[BFA_QOS_MAX_VC]; /* as many as + * total_vc_count */ +}; + +/** + * QoS statistics + */ +struct bfa_qos_stats_s { + u32 flogi_sent; /* QoS Flogi sent */ + u32 flogi_acc_recvd; /* QoS Flogi Acc received */ + u32 flogi_rjt_recvd; /* QoS Flogi rejects received */ + u32 flogi_retries; /* QoS Flogi retries */ + + u32 elp_recvd; /* QoS ELP received */ + u32 elp_accepted; /* QoS ELP Accepted */ + u32 elp_rejected; /* QoS ELP rejected */ + u32 elp_dropped; /* QoS ELP dropped */ + + u32 qos_rscn_recvd; /* QoS RSCN received */ + u32 rsvd; /* padding for 64 bit alignment */ +}; + +#endif /* __BFA_DEFS_QOS_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_rport.h b/drivers/scsi/bfa/include/defs/bfa_defs_rport.h new file mode 100644 index 000000000000..e0af59d6d2f6 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_rport.h @@ -0,0 +1,199 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_RPORT_H__ +#define __BFA_DEFS_RPORT_H__ + +#include <bfa_os_inc.h> +#include <protocol/types.h> +#include <defs/bfa_defs_pport.h> +#include <defs/bfa_defs_port.h> +#include <defs/bfa_defs_qos.h> + +/** + * FCS remote port states + */ +enum bfa_rport_state { + BFA_RPORT_UNINIT = 0, /* PORT is not yet initialized */ + BFA_RPORT_OFFLINE = 1, /* rport is offline */ + BFA_RPORT_PLOGI = 2, /* PLOGI to rport is in progress */ + BFA_RPORT_ONLINE = 3, /* login to rport is complete */ + BFA_RPORT_PLOGI_RETRY = 4, /* retrying login to rport */ + BFA_RPORT_NSQUERY = 5, /* nameserver query */ + BFA_RPORT_ADISC = 6, /* ADISC authentication */ + BFA_RPORT_LOGO = 7, /* logging out with rport */ + BFA_RPORT_LOGORCV = 8, /* handling LOGO from rport */ + BFA_RPORT_NSDISC = 9, /* re-discover rport */ +}; + +/** + * Rport Scsi Function : Initiator/Target. + */ +enum bfa_rport_function { + BFA_RPORT_INITIATOR = 0x01, /* SCSI Initiator */ + BFA_RPORT_TARGET = 0x02, /* SCSI Target */ +}; + +/** + * port/node symbolic names for rport + */ +#define BFA_RPORT_SYMNAME_MAXLEN 255 +struct bfa_rport_symname_s { + char symname[BFA_RPORT_SYMNAME_MAXLEN]; +}; + +struct bfa_rport_hal_stats_s { + u32 sm_un_cr; /* uninit: create events */ + u32 sm_un_unexp; /* uninit: exception events */ + u32 sm_cr_on; /* created: online events */ + u32 sm_cr_del; /* created: delete events */ + u32 sm_cr_hwf; /* created: IOC down */ + u32 sm_cr_unexp; /* created: exception events */ + u32 sm_fwc_rsp; /* fw create: f/w responses */ + u32 sm_fwc_del; /* fw create: delete events */ + u32 sm_fwc_off; /* fw create: offline events */ + u32 sm_fwc_hwf; /* fw create: IOC down */ + u32 sm_fwc_unexp; /* fw create: exception events*/ + u32 sm_on_off; /* online: offline events */ + u32 sm_on_del; /* online: delete events */ + u32 sm_on_hwf; /* online: IOC down events */ + u32 sm_on_unexp; /* online: exception events */ + u32 sm_fwd_rsp; /* fw delete: fw responses */ + u32 sm_fwd_del; /* fw delete: delete events */ + u32 sm_fwd_hwf; /* fw delete: IOC down events */ + u32 sm_fwd_unexp; /* fw delete: exception events*/ + u32 sm_off_del; /* offline: delete events */ + u32 sm_off_on; /* offline: online events */ + u32 sm_off_hwf; /* offline: IOC down events */ + u32 sm_off_unexp; /* offline: exception events */ + u32 sm_del_fwrsp; /* delete: fw responses */ + u32 sm_del_hwf; /* delete: IOC down events */ + u32 sm_del_unexp; /* delete: exception events */ + u32 sm_delp_fwrsp; /* delete pend: fw responses */ + u32 sm_delp_hwf; /* delete pend: IOC downs */ + u32 sm_delp_unexp; /* delete pend: exceptions */ + u32 sm_offp_fwrsp; /* off-pending: fw responses */ + u32 sm_offp_del; /* off-pending: deletes */ + u32 sm_offp_hwf; /* off-pending: IOC downs */ + u32 sm_offp_unexp; /* off-pending: exceptions */ + u32 sm_iocd_off; /* IOC down: offline events */ + u32 sm_iocd_del; /* IOC down: delete events */ + u32 sm_iocd_on; /* IOC down: online events */ + u32 sm_iocd_unexp; /* IOC down: exceptions */ + u32 rsvd; +}; + +/** + * FCS remote port statistics + */ +struct bfa_rport_stats_s { + u32 offlines; /* remote port offline count */ + u32 onlines; /* remote port online count */ + u32 rscns; /* RSCN affecting rport */ + u32 plogis; /* plogis sent */ + u32 plogi_accs; /* plogi accepts */ + u32 plogi_timeouts; /* plogi timeouts */ + u32 plogi_rejects; /* rcvd plogi rejects */ + u32 plogi_failed; /* local failure */ + u32 plogi_rcvd; /* plogis rcvd */ + u32 prli_rcvd; /* inbound PRLIs */ + u32 adisc_rcvd; /* ADISCs received */ + u32 adisc_rejects; /* recvd ADISC rejects */ + u32 adisc_sent; /* ADISC requests sent */ + u32 adisc_accs; /* ADISC accepted by rport */ + u32 adisc_failed; /* ADISC failed (no response) */ + u32 adisc_rejected; /* ADISC rejected by us */ + u32 logos; /* logos sent */ + u32 logo_accs; /* LOGO accepts from rport */ + u32 logo_failed; /* LOGO failures */ + u32 logo_rejected; /* LOGO rejects from rport */ + u32 logo_rcvd; /* LOGO from remote port */ + + u32 rpsc_rcvd; /* RPSC received */ + u32 rpsc_rejects; /* recvd RPSC rejects */ + u32 rpsc_sent; /* RPSC requests sent */ + u32 rpsc_accs; /* RPSC accepted by rport */ + u32 rpsc_failed; /* RPSC failed (no response) */ + u32 rpsc_rejected; /* RPSC rejected by us */ + + u32 rsvd; + struct bfa_rport_hal_stats_s hal_stats; /* BFA rport stats */ +}; + +/** + * Rport's QoS attributes + */ +struct bfa_rport_qos_attr_s { + enum bfa_qos_priority qos_priority; /* rport's QoS priority */ + u32 qos_flow_id; /* QoS flow Id */ +}; + +/** + * FCS remote port attributes returned in queries + */ +struct bfa_rport_attr_s { + wwn_t nwwn; /* node wwn */ + wwn_t pwwn; /* port wwn */ + enum fc_cos cos_supported; /* supported class of services */ + u32 pid; /* port ID */ + u32 df_sz; /* Max payload size */ + enum bfa_rport_state state; /* Rport State machine state */ + enum fc_cos fc_cos; /* FC classes of services */ + bfa_boolean_t cisc; /* CISC capable device */ + struct bfa_rport_symname_s symname; /* Symbolic Name */ + enum bfa_rport_function scsi_function; /* Initiator/Target */ + struct bfa_rport_qos_attr_s qos_attr; /* qos attributes */ + enum bfa_pport_speed curr_speed; /* operating speed got from + * RPSC ELS. UNKNOWN, if RPSC + * is not supported */ + bfa_boolean_t trl_enforced; /* TRL enforced ? TRUE/FALSE */ + enum bfa_pport_speed assigned_speed; /* Speed assigned by the user. + * will be used if RPSC is not + * supported by the rport */ +}; + +#define bfa_rport_aen_qos_data_t struct bfa_rport_qos_attr_s + +/** + * BFA remote port events + * Arguments below are in BFAL context from Mgmt + * BFA_RPORT_AEN_ONLINE: [in]: lpwwn [out]: vf_id, lpwwn, rpwwn + * BFA_RPORT_AEN_OFFLINE: [in]: lpwwn [out]: vf_id, lpwwn, rpwwn + * BFA_RPORT_AEN_DISCONNECT:[in]: lpwwn [out]: vf_id, lpwwn, rpwwn + * BFA_RPORT_AEN_QOS_PRIO: [in]: lpwwn [out]: vf_id, lpwwn, rpwwn, prio + * BFA_RPORT_AEN_QOS_FLOWID:[in]: lpwwn [out]: vf_id, lpwwn, rpwwn, flow_id + */ +enum bfa_rport_aen_event { + BFA_RPORT_AEN_ONLINE = 1, /* RPort online event */ + BFA_RPORT_AEN_OFFLINE = 2, /* RPort offline event */ + BFA_RPORT_AEN_DISCONNECT = 3, /* RPort disconnect event */ + BFA_RPORT_AEN_QOS_PRIO = 4, /* QOS priority change event */ + BFA_RPORT_AEN_QOS_FLOWID = 5, /* QOS flow Id change event */ +}; + +struct bfa_rport_aen_data_s { + u16 vf_id; /* vf_id of this logical port */ + u16 rsvd[3]; + wwn_t ppwwn; /* WWN of its physical port */ + wwn_t lpwwn; /* WWN of this logical port */ + wwn_t rpwwn; /* WWN of this remote port */ + union { + bfa_rport_aen_qos_data_t qos; + } priv; +}; + +#endif /* __BFA_DEFS_RPORT_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_status.h b/drivers/scsi/bfa/include/defs/bfa_defs_status.h new file mode 100644 index 000000000000..cdceaeb9f4b8 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_status.h @@ -0,0 +1,255 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_STATUS_H__ +#define __BFA_DEFS_STATUS_H__ + +/** + * API status return values + * + * NOTE: The error msgs are auto generated from the comments. Only singe line + * comments are supported + */ +enum bfa_status { + BFA_STATUS_OK = 0, /* Success */ + BFA_STATUS_FAILED = 1, /* Operation failed */ + BFA_STATUS_EINVAL = 2, /* Invalid params Check input + * parameters */ + BFA_STATUS_ENOMEM = 3, /* Out of resources */ + BFA_STATUS_ENOSYS = 4, /* Function not implemented */ + BFA_STATUS_ETIMER = 5, /* Timer expired - Retry, if + * persists, contact support */ + BFA_STATUS_EPROTOCOL = 6, /* Protocol error */ + BFA_STATUS_ENOFCPORTS = 7, /* No FC ports resources */ + BFA_STATUS_NOFLASH = 8, /* Flash not present */ + BFA_STATUS_BADFLASH = 9, /* Flash is corrupted or bad */ + BFA_STATUS_SFP_UNSUPP = 10, /* Unsupported SFP - Replace SFP */ + BFA_STATUS_UNKNOWN_VFID = 11, /* VF_ID not found */ + BFA_STATUS_DATACORRUPTED = 12, /* Diag returned data corrupted + * contact support */ + BFA_STATUS_DEVBUSY = 13, /* Device busy - Retry operation */ + BFA_STATUS_ABORTED = 14, /* Operation aborted */ + BFA_STATUS_NODEV = 15, /* Dev is not present */ + BFA_STATUS_HDMA_FAILED = 16, /* Host dma failed contact support */ + BFA_STATUS_FLASH_BAD_LEN = 17, /* Flash bad length */ + BFA_STATUS_UNKNOWN_LWWN = 18, /* LPORT PWWN not found */ + BFA_STATUS_UNKNOWN_RWWN = 19, /* RPORT PWWN not found */ + BFA_STATUS_FCPT_LS_RJT = 20, /* Got LS_RJT for FC Pass + * through Req */ + BFA_STATUS_VPORT_EXISTS = 21, /* VPORT already exists */ + BFA_STATUS_VPORT_MAX = 22, /* Reached max VPORT supported + * limit */ + BFA_STATUS_UNSUPP_SPEED = 23, /* Invalid Speed Check speed + * setting */ + BFA_STATUS_INVLD_DFSZ = 24, /* Invalid Max data field size */ + BFA_STATUS_CNFG_FAILED = 25, /* Setting can not be persisted */ + BFA_STATUS_CMD_NOTSUPP = 26, /* Command/API not supported */ + BFA_STATUS_NO_ADAPTER = 27, /* No Brocade Adapter Found */ + BFA_STATUS_LINKDOWN = 28, /* Link is down - Check or replace + * SFP/cable */ + BFA_STATUS_FABRIC_RJT = 29, /* Reject from attached fabric */ + BFA_STATUS_UNKNOWN_VWWN = 30, /* VPORT PWWN not found */ + BFA_STATUS_NSLOGIN_FAILED = 31, /* Nameserver login failed */ + BFA_STATUS_NO_RPORTS = 32, /* No remote ports found */ + BFA_STATUS_NSQUERY_FAILED = 33, /* Nameserver query failed */ + BFA_STATUS_PORT_OFFLINE = 34, /* Port is not online */ + BFA_STATUS_RPORT_OFFLINE = 35, /* RPORT is not online */ + BFA_STATUS_TGTOPEN_FAILED = 36, /* Remote SCSI target open failed */ + BFA_STATUS_BAD_LUNS = 37, /* No valid LUNs found */ + BFA_STATUS_IO_FAILURE = 38, /* SCSI target IO failure */ + BFA_STATUS_NO_FABRIC = 39, /* No switched fabric present */ + BFA_STATUS_EBADF = 40, /* Bad file descriptor */ + BFA_STATUS_EINTR = 41, /* A signal was caught during ioctl */ + BFA_STATUS_EIO = 42, /* I/O error */ + BFA_STATUS_ENOTTY = 43, /* Inappropriate I/O control + * operation */ + BFA_STATUS_ENXIO = 44, /* No such device or address */ + BFA_STATUS_EFOPEN = 45, /* Failed to open file */ + BFA_STATUS_VPORT_WWN_BP = 46, /* WWN is same as base port's WWN */ + BFA_STATUS_PORT_NOT_DISABLED = 47, /* Port not disabled disable port + * first */ + BFA_STATUS_BADFRMHDR = 48, /* Bad frame header */ + BFA_STATUS_BADFRMSZ = 49, /* Bad frame size check and replace + * SFP/cable */ + BFA_STATUS_MISSINGFRM = 50, /* Missing frame check and replace + * SFP/cable */ + BFA_STATUS_LINKTIMEOUT = 51, /* Link timeout check and replace + * SFP/cable */ + BFA_STATUS_NO_FCPIM_NEXUS = 52, /* No FCP Nexus exists with the + * rport */ + BFA_STATUS_CHECKSUM_FAIL = 53, /* checksum failure */ + BFA_STATUS_GZME_FAILED = 54, /* Get zone member query failed */ + BFA_STATUS_SCSISTART_REQD = 55, /* SCSI disk require START command */ + BFA_STATUS_IOC_FAILURE = 56, /* IOC failure - Retry, if persists + * contact support */ + BFA_STATUS_INVALID_WWN = 57, /* Invalid WWN */ + BFA_STATUS_MISMATCH = 58, /* Version mismatch */ + BFA_STATUS_IOC_ENABLED = 59, /* IOC is already enabled */ + BFA_STATUS_ADAPTER_ENABLED = 60, /* Adapter is not disabled disable + * adapter first */ + BFA_STATUS_IOC_NON_OP = 61, /* IOC is not operational. Enable IOC + * and if it still fails, + * contact support */ + BFA_STATUS_ADDR_MAP_FAILURE = 62, /* PCI base address not mapped + * in OS */ + BFA_STATUS_SAME_NAME = 63, /* Name exists! use a different + * name */ + BFA_STATUS_PENDING = 64, /* API completes asynchronously */ + BFA_STATUS_8G_SPD = 65, /* Speed setting not valid for + * 8G HBA */ + BFA_STATUS_4G_SPD = 66, /* Speed setting not valid for + * 4G HBA */ + BFA_STATUS_AD_IS_ENABLE = 67, /* Adapter is already enabled */ + BFA_STATUS_EINVAL_TOV = 68, /* Invalid path failover TOV */ + BFA_STATUS_EINVAL_QDEPTH = 69, /* Invalid queue depth value */ + BFA_STATUS_VERSION_FAIL = 70, /* Application/Driver version + * mismatch */ + BFA_STATUS_DIAG_BUSY = 71, /* diag busy */ + BFA_STATUS_BEACON_ON = 72, /* Port Beacon already on */ + BFA_STATUS_BEACON_OFF = 73, /* Port Beacon already off */ + BFA_STATUS_LBEACON_ON = 74, /* Link End-to-End Beacon already + * on */ + BFA_STATUS_LBEACON_OFF = 75, /* Link End-to-End Beacon already + * off */ + BFA_STATUS_PORT_NOT_INITED = 76, /* Port not initialized */ + BFA_STATUS_RPSC_ENABLED = 77, /* Target has a valid speed */ + BFA_STATUS_ENOFSAVE = 78, /* No saved firmware trace */ + BFA_STATUS_BAD_FILE = 79, /* Not a valid Brocade Boot Code + * file */ + BFA_STATUS_RLIM_EN = 80, /* Target rate limiting is already + * enabled */ + BFA_STATUS_RLIM_DIS = 81, /* Target rate limiting is already + * disabled */ + BFA_STATUS_IOC_DISABLED = 82, /* IOC is already disabled */ + BFA_STATUS_ADAPTER_DISABLED = 83, /* Adapter is already disabled */ + BFA_STATUS_BIOS_DISABLED = 84, /* Bios is already disabled */ + BFA_STATUS_AUTH_ENABLED = 85, /* Authentication is already + * enabled */ + BFA_STATUS_AUTH_DISABLED = 86, /* Authentication is already + * disabled */ + BFA_STATUS_ERROR_TRL_ENABLED = 87, /* Target rate limiting is + * enabled */ + BFA_STATUS_ERROR_QOS_ENABLED = 88, /* QoS is enabled */ + BFA_STATUS_NO_SFP_DEV = 89, /* No SFP device check or replace SFP */ + BFA_STATUS_MEMTEST_FAILED = 90, /* Memory test failed contact + * support */ + BFA_STATUS_INVALID_DEVID = 91, /* Invalid device id provided */ + BFA_STATUS_QOS_ENABLED = 92, /* QOS is already enabled */ + BFA_STATUS_QOS_DISABLED = 93, /* QOS is already disabled */ + BFA_STATUS_INCORRECT_DRV_CONFIG = 94, /* Check configuration + * key/value pair */ + BFA_STATUS_REG_FAIL = 95, /* Can't read windows registry */ + BFA_STATUS_IM_INV_CODE = 96, /* Invalid IOCTL code */ + BFA_STATUS_IM_INV_VLAN = 97, /* Invalid VLAN ID */ + BFA_STATUS_IM_INV_ADAPT_NAME = 98, /* Invalid adapter name */ + BFA_STATUS_IM_LOW_RESOURCES = 99, /* Memory allocation failure in + * driver */ + BFA_STATUS_IM_VLANID_IS_PVID = 100, /* Given VLAN id same as PVID */ + BFA_STATUS_IM_VLANID_EXISTS = 101, /* Given VLAN id already exists */ + BFA_STATUS_IM_FW_UPDATE_FAIL = 102, /* Updating firmware with new + * VLAN ID failed */ + BFA_STATUS_PORTLOG_ENABLED = 103, /* Port Log is already enabled */ + BFA_STATUS_PORTLOG_DISABLED = 104, /* Port Log is already disabled */ + BFA_STATUS_FILE_NOT_FOUND = 105, /* Specified file could not be + * found */ + BFA_STATUS_QOS_FC_ONLY = 106, /* QOS can be enabled for FC mode + * only */ + BFA_STATUS_RLIM_FC_ONLY = 107, /* RATELIM can be enabled for FC mode + * only */ + BFA_STATUS_CT_SPD = 108, /* Invalid speed selection for Catapult. */ + BFA_STATUS_LEDTEST_OP = 109, /* LED test is operating */ + BFA_STATUS_CEE_NOT_DN = 110, /* eth port is not at down state, please + * bring down first */ + BFA_STATUS_10G_SPD = 111, /* Speed setting not valid for 10G HBA */ + BFA_STATUS_IM_INV_TEAM_NAME = 112, /* Invalid team name */ + BFA_STATUS_IM_DUP_TEAM_NAME = 113, /* Given team name already + * exists */ + BFA_STATUS_IM_ADAPT_ALREADY_IN_TEAM = 114, /* Given adapter is part + * of another team */ + BFA_STATUS_IM_ADAPT_HAS_VLANS = 115, /* Adapter has VLANs configured. + * Delete all VLANs before + * creating team */ + BFA_STATUS_IM_PVID_MISMATCH = 116, /* Mismatching PVIDs configured + * for adapters */ + BFA_STATUS_IM_LINK_SPEED_MISMATCH = 117, /* Mismatching link speeds + * configured for adapters */ + BFA_STATUS_IM_MTU_MISMATCH = 118, /* Mismatching MTUs configured for + * adapters */ + BFA_STATUS_IM_RSS_MISMATCH = 119, /* Mismatching RSS parameters + * configured for adapters */ + BFA_STATUS_IM_HDS_MISMATCH = 120, /* Mismatching HDS parameters + * configured for adapters */ + BFA_STATUS_IM_OFFLOAD_MISMATCH = 121, /* Mismatching offload + * parameters configured for + * adapters */ + BFA_STATUS_IM_PORT_PARAMS = 122, /* Error setting port parameters */ + BFA_STATUS_IM_PORT_NOT_IN_TEAM = 123, /* Port is not part of team */ + BFA_STATUS_IM_CANNOT_REM_PRI = 124, /* Primary adapter cannot be + * removed. Change primary before + * removing */ + BFA_STATUS_IM_MAX_PORTS_REACHED = 125, /* Exceeding maximum ports + * per team */ + BFA_STATUS_IM_LAST_PORT_DELETE = 126, /* Last port in team being + * deleted */ + BFA_STATUS_IM_NO_DRIVER = 127, /* IM driver is not installed */ + BFA_STATUS_IM_MAX_VLANS_REACHED = 128, /* Exceeding maximum VLANs + * per port */ + BFA_STATUS_TOMCAT_SPD_NOT_ALLOWED = 129, /* Bios speed config not + * allowed for CNA */ + BFA_STATUS_NO_MINPORT_DRIVER = 130, /* Miniport driver is not + * loaded */ + BFA_STATUS_CARD_TYPE_MISMATCH = 131, /* Card type mismatch */ + BFA_STATUS_BAD_ASICBLK = 132, /* Bad ASIC block */ + BFA_STATUS_NO_DRIVER = 133, /* Storage/Ethernet driver not loaded */ + BFA_STATUS_INVALID_MAC = 134, /* Invalid mac address */ + BFA_STATUS_IM_NO_VLAN = 135, /* No VLANs configured on the adapter */ + BFA_STATUS_IM_ETH_LB_FAILED = 136, /* Ethernet loopback test failed */ + BFA_STATUS_IM_PVID_REMOVE = 137, /* Cannot remove port vlan (PVID) */ + BFA_STATUS_IM_PVID_EDIT = 138, /* Cannot edit port vlan (PVID) */ + BFA_STATUS_CNA_NO_BOOT = 139, /* Boot upload not allowed for CNA */ + BFA_STATUS_IM_PVID_NON_ZERO = 140, /* Port VLAN ID (PVID) is Set to + * Non-Zero Value */ + BFA_STATUS_IM_INETCFG_LOCK_FAILED = 141, /* Acquiring Network + * Subsytem Lock Failed.Please + * try after some time */ + BFA_STATUS_IM_GET_INETCFG_FAILED = 142, /* Acquiring Network Subsytem + * handle Failed. Please try + * after some time */ + BFA_STATUS_IM_NOT_BOUND = 143, /* Brocade 10G Ethernet Service is not + * Enabled on this port */ + BFA_STATUS_INSUFFICIENT_PERMS = 144, /* User doesn't have sufficient + * permissions to execute the BCU + * application */ + BFA_STATUS_IM_INV_VLAN_NAME = 145, /* Invalid/Reserved Vlan name + * string. The name is not allowed + * for the normal Vlans */ + BFA_STATUS_CMD_NOTSUPP_CNA = 146, /* Command not supported for CNA */ + BFA_STATUS_IM_PASSTHRU_EDIT = 147, /* Can not edit passthru vlan id */ + BFA_STATUS_IM_BIND_FAILED = 148, /*! < IM Driver bind operation + * failed */ + BFA_STATUS_IM_UNBIND_FAILED = 149, /* ! < IM Driver unbind operation + * failed */ + BFA_STATUS_MAX_VAL /* Unknown error code */ +}; +#define bfa_status_t enum bfa_status + +enum bfa_eproto_status { + BFA_EPROTO_BAD_ACCEPT = 0, + BFA_EPROTO_UNKNOWN_RSP = 1 +}; +#define bfa_eproto_status_t enum bfa_eproto_status + +#endif /* __BFA_DEFS_STATUS_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_tin.h b/drivers/scsi/bfa/include/defs/bfa_defs_tin.h new file mode 100644 index 000000000000..e05a2db7abed --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_tin.h @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_TIN_H__ +#define __BFA_DEFS_TIN_H__ + +#include <protocol/types.h> +#include <protocol/fc.h> + +/** + * FCS tin states + */ +enum bfa_tin_state_e { + BFA_TIN_SM_OFFLINE = 0, /* tin is offline */ + BFA_TIN_SM_WOS_LOGIN = 1, /* Waiting PRLI ACC/RJT from ULP */ + BFA_TIN_SM_WFW_ONLINE = 2, /* Waiting ACK to PRLI ACC from FW */ + BFA_TIN_SM_ONLINE = 3, /* tin login is complete */ + BFA_TIN_SM_WIO_RELOGIN = 4, /* tin relogin is in progress */ + BFA_TIN_SM_WIO_LOGOUT = 5, /* Processing of PRLO req from + * Initiator is in progress + */ + BFA_TIN_SM_WOS_LOGOUT = 6, /* Processing of PRLO req from + * Initiator is in progress + */ + BFA_TIN_SM_WIO_CLEAN = 7, /* Waiting for IO cleanup before tin + * is offline. This can be triggered + * by RPORT LOGO (rcvd/sent) or by + * PRLO (rcvd/sent) + */ +}; + +struct bfa_prli_req_s { + struct fchs_s fchs; + struct fc_prli_s prli_payload; +}; + +struct bfa_prlo_req_s { + struct fchs_s fchs; + struct fc_prlo_s prlo_payload; +}; + +void bfa_tin_send_login_rsp(void *bfa_tin, u32 login_rsp, + struct fc_ls_rjt_s rjt_payload); +void bfa_tin_send_logout_rsp(void *bfa_tin, u32 logout_rsp, + struct fc_ls_rjt_s rjt_payload); +/** + * FCS target port statistics + */ +struct bfa_tin_stats_s { + u32 onlines; /* ITN nexus onlines (PRLI done) */ + u32 offlines; /* ITN Nexus offlines */ + u32 prli_req_parse_err; /* prli req parsing errors */ + u32 prli_rsp_rjt; /* num prli rsp rejects sent */ + u32 prli_rsp_acc; /* num prli rsp accepts sent */ + u32 cleanup_comps; /* ITN cleanup completions */ +}; + +/** + * FCS tin attributes returned in queries + */ +struct bfa_tin_attr_s { + enum bfa_tin_state_e state; + u8 seq_retry; /* Sequence retry supported */ + u8 rsvd[3]; +}; + +/** + * BFA TIN async event data structure for BFAL + */ +enum bfa_tin_aen_event { + BFA_TIN_AEN_ONLINE = 1, /* Target online */ + BFA_TIN_AEN_OFFLINE = 2, /* Target offline */ + BFA_TIN_AEN_DISCONNECT = 3, /* Target disconnected */ +}; + +/** + * BFA TIN event data structure. + */ +struct bfa_tin_aen_data_s { + u16 vf_id; /* vf_id of the IT nexus */ + u16 rsvd[3]; + wwn_t lpwwn; /* WWN of logical port */ + wwn_t rpwwn; /* WWN of remote(target) port */ +}; + +/** + * Below APIs are needed from BFA driver + * Move these to BFA driver public header file? + */ +/* TIN rcvd new PRLI & gets bfad_tin_t ptr from driver this callback */ +void *bfad_tin_rcvd_login_req(void *bfad_tm_port, void *bfa_tin, + wwn_t rp_wwn, u32 rp_fcid, + struct bfa_prli_req_s prli_req); +/* TIN rcvd new PRLO */ +void bfad_tin_rcvd_logout_req(void *bfad_tin, wwn_t rp_wwn, u32 rp_fcid, + struct bfa_prlo_req_s prlo_req); +/* TIN is online and ready for IO */ +void bfad_tin_online(void *bfad_tin); +/* TIN is offline and BFA driver can shutdown its upper stack */ +void bfad_tin_offline(void *bfad_tin); +/* TIN does not need this BFA driver tin tag anymore, so can be freed */ +void bfad_tin_res_free(void *bfad_tin); + +#endif /* __BFA_DEFS_TIN_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_tsensor.h b/drivers/scsi/bfa/include/defs/bfa_defs_tsensor.h new file mode 100644 index 000000000000..31881d218515 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_tsensor.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_TSENSOR_H__ +#define __BFA_DEFS_TSENSOR_H__ + +#include <bfa_os_inc.h> +#include <defs/bfa_defs_types.h> + +/** + * Temperature sensor status values + */ +enum bfa_tsensor_status { + BFA_TSENSOR_STATUS_UNKNOWN = 1, /* unkown status */ + BFA_TSENSOR_STATUS_FAULTY = 2, /* sensor is faulty */ + BFA_TSENSOR_STATUS_BELOW_MIN = 3, /* temperature below mininum */ + BFA_TSENSOR_STATUS_NOMINAL = 4, /* normal temperature */ + BFA_TSENSOR_STATUS_ABOVE_MAX = 5, /* temperature above maximum */ +}; + +/** + * Temperature sensor attribute + */ +struct bfa_tsensor_attr_s { + enum bfa_tsensor_status status; /* temperature sensor status */ + u32 value; /* current temperature in celsius */ +}; + +#endif /* __BFA_DEFS_TSENSOR_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_types.h b/drivers/scsi/bfa/include/defs/bfa_defs_types.h new file mode 100644 index 000000000000..4348332b107a --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_types.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_TYPES_H__ +#define __BFA_DEFS_TYPES_H__ + +#include <bfa_os_inc.h> + +enum bfa_boolean { + BFA_FALSE = 0, + BFA_TRUE = 1 +}; +#define bfa_boolean_t enum bfa_boolean + +#define BFA_STRING_32 32 + +#endif /* __BFA_DEFS_TYPES_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_version.h b/drivers/scsi/bfa/include/defs/bfa_defs_version.h new file mode 100644 index 000000000000..f8902a2c9aad --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_version.h @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DEFS_VERSION_H__ +#define __BFA_DEFS_VERSION_H__ + +#define BFA_VERSION_LEN 64 + +#endif diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_vf.h b/drivers/scsi/bfa/include/defs/bfa_defs_vf.h new file mode 100644 index 000000000000..3235be5e9423 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_vf.h @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_VF_H__ +#define __BFA_DEFS_VF_H__ + +#include <bfa_os_inc.h> +#include <defs/bfa_defs_port.h> +#include <protocol/types.h> + +/** + * VF states + */ +enum bfa_vf_state { + BFA_VF_UNINIT = 0, /* fabric is not yet initialized */ + BFA_VF_LINK_DOWN = 1, /* link is down */ + BFA_VF_FLOGI = 2, /* flogi is in progress */ + BFA_VF_AUTH = 3, /* authentication in progress */ + BFA_VF_NOFABRIC = 4, /* fabric is not present */ + BFA_VF_ONLINE = 5, /* login to fabric is complete */ + BFA_VF_EVFP = 6, /* EVFP is in progress */ + BFA_VF_ISOLATED = 7, /* port isolated due to vf_id mismatch */ +}; + +/** + * VF statistics + */ +struct bfa_vf_stats_s { + u32 flogi_sent; /* Num FLOGIs sent */ + u32 flogi_rsp_err; /* FLOGI response errors */ + u32 flogi_acc_err; /* FLOGI accept errors */ + u32 flogi_accepts; /* FLOGI accepts received */ + u32 flogi_rejects; /* FLOGI rejects received */ + u32 flogi_unknown_rsp; /* Unknown responses for FLOGI */ + u32 flogi_alloc_wait; /* Allocation waits prior to + * sending FLOGI + */ + u32 flogi_rcvd; /* FLOGIs received */ + u32 flogi_rejected; /* Incoming FLOGIs rejected */ + u32 fabric_onlines; /* Internal fabric online + * notification sent to other + * modules + */ + u32 fabric_offlines; /* Internal fabric offline + * notification sent to other + * modules + */ + u32 resvd; +}; + +/** + * VF attributes returned in queries + */ +struct bfa_vf_attr_s { + enum bfa_vf_state state; /* VF state */ + u32 rsvd; + wwn_t fabric_name; /* fabric name */ +}; + +#endif /* __BFA_DEFS_VF_H__ */ diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_vport.h b/drivers/scsi/bfa/include/defs/bfa_defs_vport.h new file mode 100644 index 000000000000..9f021f43b3b4 --- /dev/null +++ b/drivers/scsi/bfa/include/defs/bfa_defs_vport.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_VPORT_H__ +#define __BFA_DEFS_VPORT_H__ + +#include <bfa_os_inc.h> +#include <defs/bfa_defs_port.h> +#include <protocol/types.h> + +/** + * VPORT states + */ +enum bfa_vport_state { + BFA_FCS_VPORT_UNINIT = 0, + BFA_FCS_VPORT_CREATED = 1, + BFA_FCS_VPORT_OFFLINE = 1, + BFA_FCS_VPORT_FDISC_SEND = 2, + BFA_FCS_VPORT_FDISC = 3, + BFA_FCS_VPORT_FDISC_RETRY = 4, + BFA_FCS_VPORT_ONLINE = 5, + BFA_FCS_VPORT_DELETING = 6, + BFA_FCS_VPORT_CLEANUP = 6, + BFA_FCS_VPORT_LOGO_SEND = 7, + BFA_FCS_VPORT_LOGO = 8, + BFA_FCS_VPORT_ERROR = 9, + BFA_FCS_VPORT_MAX_STATE, +}; + +/** + * vport statistics + */ +struct bfa_vport_stats_s { + struct bfa_port_stats_s port_stats; /* base class (port) stats */ + /* + * TODO - remove + */ + + u32 fdisc_sent; /* num fdisc sent */ + u32 fdisc_accepts; /* fdisc accepts */ + u32 fdisc_retries; /* fdisc retries */ + u32 fdisc_timeouts; /* fdisc timeouts */ + u32 fdisc_rsp_err; /* fdisc response error */ + u32 fdisc_acc_bad; /* bad fdisc accepts */ + u32 fdisc_rejects; /* fdisc rejects */ + u32 fdisc_unknown_rsp; + /* + *!< fdisc rsp unknown error + */ + u32 fdisc_alloc_wait;/* fdisc req (fcxp)alloc wait */ + + u32 logo_alloc_wait;/* logo req (fcxp) alloc wait */ + u32 logo_sent; /* logo sent */ + u32 logo_accepts; /* logo accepts */ + u32 logo_rejects; /* logo rejects */ + u32 logo_rsp_err; /* logo rsp errors */ + u32 logo_unknown_rsp; + /* logo rsp unknown errors */ + + u32 fab_no_npiv; /* fabric does not support npiv */ + + u32 fab_offline; /* offline events from fab SM */ + u32 fab_online; /* online events from fab SM */ + u32 fab_cleanup; /* cleanup request from fab SM */ + u32 rsvd; +}; + +/** + * BFA vport attribute returned in queries + */ +struct bfa_vport_attr_s { + struct bfa_port_attr_s port_attr; /* base class (port) attributes */ + enum bfa_vport_state vport_state; /* vport state */ + u32 rsvd; +}; + +#endif /* __BFA_DEFS_VPORT_H__ */ diff --git a/drivers/scsi/bfa/include/fcb/bfa_fcb.h b/drivers/scsi/bfa/include/fcb/bfa_fcb.h new file mode 100644 index 000000000000..2963b0bc30e7 --- /dev/null +++ b/drivers/scsi/bfa/include/fcb/bfa_fcb.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcb.h BFA FCS callback interfaces + */ + +#ifndef __BFA_FCB_H__ +#define __BFA_FCB_H__ + +/** + * fcb Main fcs callbacks + */ + +void bfa_fcb_exit(struct bfad_s *bfad); + + + +#endif /* __BFA_FCB_H__ */ diff --git a/drivers/scsi/bfa/include/fcb/bfa_fcb_fcpim.h b/drivers/scsi/bfa/include/fcb/bfa_fcb_fcpim.h new file mode 100644 index 000000000000..a6c70aee0aa3 --- /dev/null +++ b/drivers/scsi/bfa/include/fcb/bfa_fcb_fcpim.h @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** +* : bfad_fcpim.h - BFA FCS initiator mode remote port callbacks + */ + +#ifndef __BFAD_FCB_FCPIM_H__ +#define __BFAD_FCB_FCPIM_H__ + +struct bfad_itnim_s; + +/* + * RPIM callbacks + */ + +/** + * Memory allocation for remote port instance. Called before PRLI is + * initiated to the remote target port. + * + * @param[in] bfad - driver instance + * @param[out] itnim - FCS remote port (IM) instance + * @param[out] itnim_drv - driver remote port (IM) instance + * + * @return None + */ +void bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, + struct bfad_itnim_s **itnim_drv); + +/** + * Free remote port (IM) instance. + * + * @param[in] bfad - driver instance + * @param[in] itnim_drv - driver remote port instance + * + * @return None + */ +void bfa_fcb_itnim_free(struct bfad_s *bfad, + struct bfad_itnim_s *itnim_drv); + +/** + * Notification of when login with a remote target device is complete. + * + * @param[in] itnim_drv - driver remote port instance + * + * @return None + */ +void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv); + +/** + * Notification when login with the remote device is severed. + * + * @param[in] itnim_drv - driver remote port instance + * + * @return None + */ +void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv); + +void bfa_fcb_itnim_tov_begin(struct bfad_itnim_s *itnim_drv); +void bfa_fcb_itnim_tov(struct bfad_itnim_s *itnim_drv); + +#endif /* __BFAD_FCB_FCPIM_H__ */ diff --git a/drivers/scsi/bfa/include/fcb/bfa_fcb_port.h b/drivers/scsi/bfa/include/fcb/bfa_fcb_port.h new file mode 100644 index 000000000000..5fd7f986fa32 --- /dev/null +++ b/drivers/scsi/bfa/include/fcb/bfa_fcb_port.h @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcb_port.h BFA FCS virtual port driver interfaces + */ + +#ifndef __BFA_FCB_PORT_H__ +#define __BFA_FCB_PORT_H__ + +#include <fcb/bfa_fcb_vport.h> +/** + * fcs_port_fcb FCS port driver interfaces + */ + +/* + * Forward declarations + */ +struct bfad_port_s; + +/* + * Callback functions from BFA FCS to driver + */ + +/** + * Call from FCS to driver module when a port is instantiated. The port + * can be a base port or a virtual port with in the base fabric or + * a virtual fabric. + * + * On this callback, driver is supposed to create scsi_host, scsi_tgt or + * network interfaces bases on ports personality/roles. + * + * base port of base fabric: vf_drv == NULL && vp_drv == NULL + * vport of base fabric: vf_drv == NULL && vp_drv != NULL + * base port of VF: vf_drv != NULL && vp_drv == NULL + * vport of VF: vf_drv != NULL && vp_drv != NULL + * + * @param[in] bfad - driver instance + * @param[in] port - FCS port instance + * @param[in] roles - port roles: IM, TM, IP + * @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF) + * @param[in] vp_drv - vport driver instance, NULL if base port + * + * @return None + */ +struct bfad_port_s *bfa_fcb_port_new(struct bfad_s *bfad, + struct bfa_fcs_port_s *port, + enum bfa_port_role roles, struct bfad_vf_s *vf_drv, + struct bfad_vport_s *vp_drv); + +/** + * Call from FCS to driver module when a port is deleted. The port + * can be a base port or a virtual port with in the base fabric or + * a virtual fabric. + * + * @param[in] bfad - driver instance + * @param[in] roles - port roles: IM, TM, IP + * @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF) + * @param[in] vp_drv - vport driver instance, NULL if base port + * + * @return None + */ +void bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv); + +/** + * Notification when port transitions to ONLINE state. + * + * Online notification is a logical link up for the local port. This + * notification is sent after a successfull FLOGI, or a successful + * link initialization in proviate-loop or N2N topologies. + * + * @param[in] bfad - driver instance + * @param[in] roles - port roles: IM, TM, IP + * @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF) + * @param[in] vp_drv - vport driver instance, NULL if base port + * + * @return None + */ +void bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv); + +/** + * Notification when port transitions to OFFLINE state. + * + * Offline notification is a logical link down for the local port. + * + * @param[in] bfad - driver instance + * @param[in] roles - port roles: IM, TM, IP + * @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF) + * @param[in] vp_drv - vport driver instance, NULL if base port + * + * @return None + */ +void bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv); + + +#endif /* __BFA_FCB_PORT_H__ */ diff --git a/drivers/scsi/bfa/include/fcb/bfa_fcb_rport.h b/drivers/scsi/bfa/include/fcb/bfa_fcb_rport.h new file mode 100644 index 000000000000..e0261bb6d1c1 --- /dev/null +++ b/drivers/scsi/bfa/include/fcb/bfa_fcb_rport.h @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcb_rport.h BFA FCS rport driver interfaces + */ + +#ifndef __BFA_FCB_RPORT_H__ +#define __BFA_FCB_RPORT_H__ + +/** + * fcs_rport_fcb Remote port driver interfaces + */ + + +struct bfad_rport_s; + +/* + * Callback functions from BFA FCS to driver + */ + +/** + * Completion callback for bfa_fcs_rport_add(). + * + * @param[in] rport_drv - driver instance of rport + * + * @return None + */ +void bfa_fcb_rport_add(struct bfad_rport_s *rport_drv); + +/** + * Completion callback for bfa_fcs_rport_remove(). + * + * @param[in] rport_drv - driver instance of rport + * + * @return None + */ +void bfa_fcb_rport_remove(struct bfad_rport_s *rport_drv); + +/** + * Call to allocate a rport instance. + * + * @param[in] bfad - driver instance + * @param[out] rport - BFA FCS instance of rport + * @param[out] rport_drv - driver instance of rport + * + * @retval BFA_STATUS_OK - successfully allocated + * @retval BFA_STATUS_ENOMEM - cannot allocate + */ +bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad, + struct bfa_fcs_rport_s **rport, + struct bfad_rport_s **rport_drv); + +/** + * Call to free rport memory resources. + * + * @param[in] bfad - driver instance + * @param[in] rport_drv - driver instance of rport + * + * @return None + */ +void bfa_fcb_rport_free(struct bfad_s *bfad, struct bfad_rport_s **rport_drv); + + + +#endif /* __BFA_FCB_RPORT_H__ */ diff --git a/drivers/scsi/bfa/include/fcb/bfa_fcb_vf.h b/drivers/scsi/bfa/include/fcb/bfa_fcb_vf.h new file mode 100644 index 000000000000..cfd3fac0a4e2 --- /dev/null +++ b/drivers/scsi/bfa/include/fcb/bfa_fcb_vf.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcb_vf.h BFA FCS virtual fabric driver interfaces + */ + +#ifndef __BFA_FCB_VF_H__ +#define __BFA_FCB_VF_H__ + +/** + * fcs_vf_fcb Virtual fabric driver intrefaces + */ + + +struct bfad_vf_s; + +/* + * Callback functions from BFA FCS to driver + */ + +/** + * Completion callback for bfa_fcs_vf_stop(). + * + * @param[in] vf_drv - driver instance of vf + * + * @return None + */ +void bfa_fcb_vf_stop(struct bfad_vf_s *vf_drv); + + + +#endif /* __BFA_FCB_VF_H__ */ diff --git a/drivers/scsi/bfa/include/fcb/bfa_fcb_vport.h b/drivers/scsi/bfa/include/fcb/bfa_fcb_vport.h new file mode 100644 index 000000000000..a39f474c2fcf --- /dev/null +++ b/drivers/scsi/bfa/include/fcb/bfa_fcb_vport.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcb_vport.h BFA FCS virtual port driver interfaces + */ + +#ifndef __BFA_FCB_VPORT_H__ +#define __BFA_FCB_VPORT_H__ + +/** + * fcs_vport_fcb Virtual port driver interfaces + */ + + +struct bfad_vport_s; + +/* + * Callback functions from BFA FCS to driver + */ + +/** + * Completion callback for bfa_fcs_vport_delete(). + * + * @param[in] vport_drv - driver instance of vport + * + * @return None + */ +void bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv); + + + +#endif /* __BFA_FCB_VPORT_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs.h b/drivers/scsi/bfa/include/fcs/bfa_fcs.h new file mode 100644 index 000000000000..627669c65546 --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCS_H__ +#define __BFA_FCS_H__ + +#include <cs/bfa_debug.h> +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_version.h> +#include <bfa.h> +#include <fcs/bfa_fcs_fabric.h> + +#define BFA_FCS_OS_STR_LEN 64 + +struct bfa_fcs_stats_s { + struct { + u32 untagged; /* untagged receive frames */ + u32 tagged; /* tagged receive frames */ + u32 vfid_unknown; /* VF id is unknown */ + } uf; +}; + +struct bfa_fcs_driver_info_s { + u8 version[BFA_VERSION_LEN]; /* Driver Version */ + u8 host_machine_name[BFA_FCS_OS_STR_LEN]; + u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */ + u8 host_os_patch[BFA_FCS_OS_STR_LEN];/* patch or service pack */ + u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */ +}; + +struct bfa_fcs_s { + struct bfa_s *bfa; /* corresponding BFA bfa instance */ + struct bfad_s *bfad; /* corresponding BDA driver instance */ + struct bfa_log_mod_s *logm; /* driver logging module instance */ + struct bfa_trc_mod_s *trcmod; /* tracing module */ + struct bfa_aen_s *aen; /* aen component */ + bfa_boolean_t vf_enabled; /* VF mode is enabled */ + bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ + u16 port_vfid; /* port default VF ID */ + struct bfa_fcs_driver_info_s driver_info; + struct bfa_fcs_fabric_s fabric; /* base fabric state machine */ + struct bfa_fcs_stats_s stats; /* FCS statistics */ + struct bfa_wc_s wc; /* waiting counter */ +}; + +/* + * bfa fcs API functions + */ +void bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad, + bfa_boolean_t min_cfg); +void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, + struct bfa_fcs_driver_info_s *driver_info); +void bfa_fcs_exit(struct bfa_fcs_s *fcs); +void bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod); +void bfa_fcs_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod); +void bfa_fcs_aen_init(struct bfa_fcs_s *fcs, struct bfa_aen_s *aen); +void bfa_fcs_start(struct bfa_fcs_s *fcs); + +#endif /* __BFA_FCS_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_auth.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_auth.h new file mode 100644 index 000000000000..28c4c9ff08b3 --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_auth.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCS_AUTH_H__ +#define __BFA_FCS_AUTH_H__ + +struct bfa_fcs_s; + +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_auth.h> +#include <defs/bfa_defs_vf.h> +#include <cs/bfa_q.h> +#include <cs/bfa_sm.h> +#include <defs/bfa_defs_pport.h> +#include <fcs/bfa_fcs_lport.h> +#include <protocol/fc_sp.h> + +struct bfa_fcs_fabric_s; + + + +struct bfa_fcs_auth_s { + bfa_sm_t sm; /* state machine */ + bfa_boolean_t policy; /* authentication enabled/disabled */ + enum bfa_auth_status status; /* authentication status */ + enum auth_rjt_codes rjt_code; /* auth reject status */ + enum auth_rjt_code_exps rjt_code_exp; /* auth reject reason */ + enum bfa_auth_algo algo; /* Authentication algorithm */ + struct bfa_auth_stats_s stats; /* Statistics */ + enum auth_dh_gid group; /* DH(diffie-hellman) Group */ + enum bfa_auth_secretsource source; /* Secret source */ + char secret[BFA_AUTH_SECRET_STRING_LEN]; + /* secret string */ + u8 secret_len; + /* secret string length */ + u8 nretries; + /* number of retries */ + struct bfa_fcs_fabric_s *fabric;/* pointer to fabric */ + u8 sentcode; /* pointer to response data */ + u8 *response; /* pointer to response data */ + struct bfa_timer_s delay_timer; /* delay timer */ + struct bfa_fcxp_s *fcxp; /* pointer to fcxp */ + struct bfa_fcxp_wqe_s fcxp_wqe; +}; + +/** + * bfa fcs authentication public functions + */ +bfa_status_t bfa_fcs_auth_get_attr(struct bfa_fcs_s *port, + struct bfa_auth_attr_s *attr); +bfa_status_t bfa_fcs_auth_set_policy(struct bfa_fcs_s *port, + bfa_boolean_t policy); +enum bfa_auth_status bfa_fcs_auth_get_status(struct bfa_fcs_s *port); +bfa_status_t bfa_fcs_auth_set_algo(struct bfa_fcs_s *port, + enum bfa_auth_algo algo); +bfa_status_t bfa_fcs_auth_get_stats(struct bfa_fcs_s *port, + struct bfa_auth_stats_s *stats); +bfa_status_t bfa_fcs_auth_set_dh_group(struct bfa_fcs_s *port, int group); +bfa_status_t bfa_fcs_auth_set_secretstring(struct bfa_fcs_s *port, + char *secret); +bfa_status_t bfa_fcs_auth_set_secretstring_encrypt(struct bfa_fcs_s *port, + u32 secret[], u32 len); +bfa_status_t bfa_fcs_auth_set_secretsource(struct bfa_fcs_s *port, + enum bfa_auth_secretsource src); +bfa_status_t bfa_fcs_auth_reset_stats(struct bfa_fcs_s *port); +bfa_status_t bfa_fcs_auth_reinit(struct bfa_fcs_s *port); + +#endif /* __BFA_FCS_AUTH_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_fabric.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_fabric.h new file mode 100644 index 000000000000..4ffd2242d3de --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_fabric.h @@ -0,0 +1,112 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCS_FABRIC_H__ +#define __BFA_FCS_FABRIC_H__ + +struct bfa_fcs_s; + +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_vf.h> +#include <cs/bfa_q.h> +#include <cs/bfa_sm.h> +#include <defs/bfa_defs_pport.h> +#include <fcs/bfa_fcs_lport.h> +#include <protocol/fc_sp.h> +#include <fcs/bfa_fcs_auth.h> + +/* + * forward declaration + */ +struct bfad_vf_s; + +enum bfa_fcs_fabric_type { + BFA_FCS_FABRIC_UNKNOWN = 0, + BFA_FCS_FABRIC_SWITCHED = 1, + BFA_FCS_FABRIC_PLOOP = 2, + BFA_FCS_FABRIC_N2N = 3, +}; + + +struct bfa_fcs_fabric_s { + struct list_head qe; /* queue element */ + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_s *fcs; /* FCS instance */ + struct bfa_fcs_port_s bport; /* base logical port */ + enum bfa_fcs_fabric_type fab_type; /* fabric type */ + enum bfa_pport_type oper_type; /* current link topology */ + u8 is_vf; /* is virtual fabric? */ + u8 is_npiv; /* is NPIV supported ? */ + u8 is_auth; /* is Security/Auth supported ? */ + u16 bb_credit; /* BB credit from fabric */ + u16 vf_id; /* virtual fabric ID */ + u16 num_vports; /* num vports */ + u16 rsvd; + struct list_head vport_q; /* queue of virtual ports */ + struct list_head vf_q; /* queue of virtual fabrics */ + struct bfad_vf_s *vf_drv; /* driver vf structure */ + struct bfa_timer_s link_timer; /* Link Failure timer. Vport */ + wwn_t fabric_name; /* attached fabric name */ + bfa_boolean_t auth_reqd; /* authentication required */ + struct bfa_timer_s delay_timer; /* delay timer */ + union { + u16 swp_vfid;/* switch port VF id */ + } event_arg; + struct bfa_fcs_auth_s auth; /* authentication config */ + struct bfa_wc_s wc; /* wait counter for delete */ + struct bfa_vf_stats_s stats; /* fabric/vf stats */ + struct bfa_lps_s *lps; /* lport login services */ + u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; /* attached + * fabric's ip addr + */ +}; + +#define bfa_fcs_fabric_npiv_capable(__f) (__f)->is_npiv +#define bfa_fcs_fabric_is_switched(__f) \ + ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED) + +/** + * The design calls for a single implementation of base fabric and vf. + */ +#define bfa_fcs_vf_t struct bfa_fcs_fabric_s + +struct bfa_vf_event_s { + u32 undefined; +}; + +/** + * bfa fcs vf public functions + */ +bfa_status_t bfa_fcs_vf_mode_enable(struct bfa_fcs_s *fcs, u16 vf_id); +bfa_status_t bfa_fcs_vf_mode_disable(struct bfa_fcs_s *fcs); +bfa_status_t bfa_fcs_vf_create(bfa_fcs_vf_t *vf, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_port_cfg_s *port_cfg, + struct bfad_vf_s *vf_drv); +bfa_status_t bfa_fcs_vf_delete(bfa_fcs_vf_t *vf); +void bfa_fcs_vf_start(bfa_fcs_vf_t *vf); +bfa_status_t bfa_fcs_vf_stop(bfa_fcs_vf_t *vf); +void bfa_fcs_vf_list(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs); +void bfa_fcs_vf_list_all(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs); +void bfa_fcs_vf_get_attr(bfa_fcs_vf_t *vf, struct bfa_vf_attr_s *vf_attr); +void bfa_fcs_vf_get_stats(bfa_fcs_vf_t *vf, + struct bfa_vf_stats_s *vf_stats); +void bfa_fcs_vf_clear_stats(bfa_fcs_vf_t *vf); +void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports); +bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id); +struct bfad_vf_s *bfa_fcs_vf_get_drv_vf(bfa_fcs_vf_t *vf); + +#endif /* __BFA_FCS_FABRIC_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_fcpim.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_fcpim.h new file mode 100644 index 000000000000..e719f2c3eb35 --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_fcpim.h @@ -0,0 +1,131 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_fcpim.h BFA FCS FCP Initiator Mode interfaces/defines. + */ + +#ifndef __BFA_FCS_FCPIM_H__ +#define __BFA_FCS_FCPIM_H__ + +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_itnim.h> +#include <fcs/bfa_fcs.h> +#include <fcs/bfa_fcs_rport.h> +#include <fcs/bfa_fcs_lport.h> +#include <bfa_fcpim.h> + +/* + * forward declarations + */ +struct bfad_itnim_s; + +struct bfa_fcs_itnim_s { + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_rport_s *rport; /* parent remote rport */ + struct bfad_itnim_s *itnim_drv; /* driver peer instance */ + struct bfa_fcs_s *fcs; /* fcs instance */ + struct bfa_timer_s timer; /* timer functions */ + struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */ + bfa_boolean_t seq_rec; /* seq recovery support */ + bfa_boolean_t rec_support; /* REC supported */ + bfa_boolean_t conf_comp; /* FCP_CONF support */ + bfa_boolean_t task_retry_id; /* task retry id supp */ + struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */ + struct bfa_fcxp_s *fcxp; /* FCXP in use */ + struct bfa_itnim_stats_s stats; /* itn statistics */ +}; + + +static inline struct bfad_port_s * +bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->port->bfad_port; +} + + +static inline struct bfa_fcs_port_s * +bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->port; +} + + +static inline wwn_t +bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->nwwn; +} + + +static inline wwn_t +bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->pwwn; +} + + +static inline u32 +bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->pid; +} + + +static inline u32 +bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->maxfrsize; +} + + +static inline enum fc_cos +bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->fc_cos; +} + + +static inline struct bfad_itnim_s * +bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->itnim_drv; +} + + +static inline struct bfa_itnim_s * +bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->bfa_itnim; +} + +/** + * bfa fcs FCP Initiator mode API functions + */ +void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim, + struct bfa_itnim_attr_s *attr); +void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim, + struct bfa_itnim_stats_s *stats); +struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_port_s *port, + wwn_t rpwwn); +bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_port_s *port, wwn_t rpwwn, + struct bfa_itnim_attr_s *attr); +bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_port_s *port, wwn_t rpwwn, + struct bfa_itnim_stats_s *stats); +bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_port_s *port, + wwn_t rpwwn); +#endif /* __BFA_FCS_FCPIM_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_fdmi.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_fdmi.h new file mode 100644 index 000000000000..4441fffc9c82 --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_fdmi.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_fdmi.h BFA fcs fdmi module public interface + */ + +#ifndef __BFA_FCS_FDMI_H__ +#define __BFA_FCS_FDMI_H__ +#include <bfa_os_inc.h> +#include <protocol/fdmi.h> + +#define BFA_FCS_FDMI_SUPORTED_SPEEDS (FDMI_TRANS_SPEED_1G | \ + FDMI_TRANS_SPEED_2G | \ + FDMI_TRANS_SPEED_4G | \ + FDMI_TRANS_SPEED_8G) + +/* +* HBA Attribute Block : BFA internal representation. Note : Some variable +* sizes have been trimmed to suit BFA For Ex : Model will be "Brocade". Based + * on this the size has been reduced to 16 bytes from the standard's 64 bytes. + */ +struct bfa_fcs_fdmi_hba_attr_s { + wwn_t node_name; + u8 manufacturer[64]; + u8 serial_num[64]; + u8 model[16]; + u8 model_desc[256]; + u8 hw_version[8]; + u8 driver_version[8]; + u8 option_rom_ver[BFA_VERSION_LEN]; + u8 fw_version[8]; + u8 os_name[256]; + u32 max_ct_pyld; +}; + +/* + * Port Attribute Block + */ +struct bfa_fcs_fdmi_port_attr_s { + u8 supp_fc4_types[32]; /* supported FC4 types */ + u32 supp_speed; /* supported speed */ + u32 curr_speed; /* current Speed */ + u32 max_frm_size; /* max frame size */ + u8 os_device_name[256]; /* OS device Name */ + u8 host_name[256]; /* host name */ +}; + +#endif /* __BFA_FCS_FDMI_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h new file mode 100644 index 000000000000..b85cba884b96 --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h @@ -0,0 +1,226 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_port.h BFA fcs port module public interface + */ + +#ifndef __BFA_FCS_PORT_H__ +#define __BFA_FCS_PORT_H__ + +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_port.h> +#include <defs/bfa_defs_pport.h> +#include <defs/bfa_defs_rport.h> +#include <cs/bfa_q.h> +#include <bfa_svc.h> +#include <cs/bfa_wc.h> + +struct bfa_fcs_s; +struct bfa_fcs_fabric_s; + +/* +* @todo : need to move to a global config file. + * Maximum Vports supported per physical port or vf. + */ +#define BFA_FCS_MAX_VPORTS_SUPP_CB 255 +#define BFA_FCS_MAX_VPORTS_SUPP_CT 191 + +/* +* @todo : need to move to a global config file. + * Maximum Rports supported per port (physical/logical). + */ +#define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */ + + +struct bfa_fcs_port_ns_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_port_s *port; /* parent port */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; +}; + + +struct bfa_fcs_port_scn_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_port_s *port; /* parent port */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; +}; + + +struct bfa_fcs_port_fdmi_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_port_ms_s *ms; /* parent ms */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; + u8 retry_cnt; /* retry count */ + u8 rsvd[3]; +}; + + +struct bfa_fcs_port_ms_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_port_s *port; /* parent port */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; + struct bfa_fcs_port_fdmi_s fdmi; /* FDMI component of MS */ + u8 retry_cnt; /* retry count */ + u8 rsvd[3]; +}; + + +struct bfa_fcs_port_fab_s { + struct bfa_fcs_port_ns_s ns; /* NS component of port */ + struct bfa_fcs_port_scn_s scn; /* scn component of port */ + struct bfa_fcs_port_ms_s ms; /* MS component of port */ +}; + + + +#define MAX_ALPA_COUNT 127 + +struct bfa_fcs_port_loop_s { + u8 num_alpa; /* Num of ALPA entries in the map */ + u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional + *Map */ + struct bfa_fcs_port_s *port; /* parent port */ +}; + + + +struct bfa_fcs_port_n2n_s { + u32 rsvd; + u16 reply_oxid; /* ox_id from the req flogi to be + *used in flogi acc */ + wwn_t rem_port_wwn; /* Attached port's wwn */ +}; + + +union bfa_fcs_port_topo_u { + struct bfa_fcs_port_fab_s pfab; + struct bfa_fcs_port_loop_s ploop; + struct bfa_fcs_port_n2n_s pn2n; +}; + + +struct bfa_fcs_port_s { + struct list_head qe; /* used by port/vport */ + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_fabric_s *fabric; /* parent fabric */ + struct bfa_port_cfg_s port_cfg; /* port configuration */ + struct bfa_timer_s link_timer; /* timer for link offline */ + u32 pid : 24; /* FC address */ + u8 lp_tag; /* lport tag */ + u16 num_rports; /* Num of r-ports */ + struct list_head rport_q; /* queue of discovered r-ports */ + struct bfa_fcs_s *fcs; /* FCS instance */ + union bfa_fcs_port_topo_u port_topo; /* fabric/loop/n2n details */ + struct bfad_port_s *bfad_port; /* driver peer instance */ + struct bfa_fcs_vport_s *vport; /* NULL for base ports */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; + struct bfa_port_stats_s stats; + struct bfa_wc_s wc; /* waiting counter for events */ +}; + +#define bfa_fcs_lport_t struct bfa_fcs_port_s + +/** + * Symbolic Name related defines + * Total bytes 255. + * Physical Port's symbolic name 128 bytes. + * For Vports, Vport's symbolic name is appended to the Physical port's + * Symbolic Name. + * + * Physical Port's symbolic name Format : (Total 128 bytes) + * Adapter Model number/name : 12 bytes + * Driver Version : 10 bytes + * Host Machine Name : 30 bytes + * Host OS Info : 48 bytes + * Host OS PATCH Info : 16 bytes + * ( remaining 12 bytes reserved to be used for separator) + */ +#define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | " + +#define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 12 +#define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10 +#define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30 +#define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 48 +#define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 + +/** + * Get FC port ID for a logical port. + */ +#define bfa_fcs_port_get_fcid(_lport) ((_lport)->pid) +#define bfa_fcs_port_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) +#define bfa_fcs_port_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) +#define bfa_fcs_port_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) +#define bfa_fcs_port_is_initiator(_lport) \ + ((_lport)->port_cfg.roles & BFA_PORT_ROLE_FCP_IM) +#define bfa_fcs_port_is_target(_lport) \ + ((_lport)->port_cfg.roles & BFA_PORT_ROLE_FCP_TM) +#define bfa_fcs_port_get_nrports(_lport) \ + ((_lport) ? (_lport)->num_rports : 0) + +static inline struct bfad_port_s * +bfa_fcs_port_get_drvport(struct bfa_fcs_port_s *port) +{ + return port->bfad_port; +} + + +#define bfa_fcs_port_get_opertype(_lport) (_lport)->fabric->oper_type + + +#define bfa_fcs_port_get_fabric_name(_lport) (_lport)->fabric->fabric_name + + +#define bfa_fcs_port_get_fabric_ipaddr(_lport) (_lport)->fabric->fabric_ip_addr + +/** + * bfa fcs port public functions + */ +void bfa_fcs_cfg_base_port(struct bfa_fcs_s *fcs, + struct bfa_port_cfg_s *port_cfg); +struct bfa_fcs_port_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs); +void bfa_fcs_port_get_rports(struct bfa_fcs_port_s *port, + wwn_t rport_wwns[], int *nrports); + +wwn_t bfa_fcs_port_get_rport(struct bfa_fcs_port_s *port, wwn_t wwn, + int index, int nrports, bfa_boolean_t bwwn); + +struct bfa_fcs_port_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, + u16 vf_id, wwn_t lpwwn); + +void bfa_fcs_port_get_info(struct bfa_fcs_port_s *port, + struct bfa_port_info_s *port_info); +void bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port, + struct bfa_port_attr_s *port_attr); +void bfa_fcs_port_get_stats(struct bfa_fcs_port_s *fcs_port, + struct bfa_port_stats_s *port_stats); +void bfa_fcs_port_clear_stats(struct bfa_fcs_port_s *fcs_port); +enum bfa_pport_speed bfa_fcs_port_get_rport_max_speed( + struct bfa_fcs_port_s *port); +void bfa_fcs_port_enable_ipfc_roles(struct bfa_fcs_port_s *fcs_port); +void bfa_fcs_port_disable_ipfc_roles(struct bfa_fcs_port_s *fcs_port); + +#endif /* __BFA_FCS_PORT_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_rport.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_rport.h new file mode 100644 index 000000000000..702b95b76c2d --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_rport.h @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCS_RPORT_H__ +#define __BFA_FCS_RPORT_H__ + +#include <defs/bfa_defs_status.h> +#include <cs/bfa_q.h> +#include <fcs/bfa_fcs.h> +#include <defs/bfa_defs_rport.h> + +#define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */ +/* + * forward declarations + */ +struct bfad_rport_s; + +struct bfa_fcs_itnim_s; +struct bfa_fcs_tin_s; +struct bfa_fcs_iprp_s; + +/* Rport Features (RPF) */ +struct bfa_fcs_rpf_s { + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_rport_s *rport; /* parent rport */ + struct bfa_timer_s timer; /* general purpose timer */ + struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ + struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ + int rpsc_retries; /* max RPSC retry attempts */ + enum bfa_pport_speed rpsc_speed; /* Current Speed from RPSC. + * O if RPSC fails */ + enum bfa_pport_speed assigned_speed; /* Speed assigned by the user. + * will be used if RPSC is not + * supported by the rport */ +}; + +struct bfa_fcs_rport_s { + struct list_head qe; /* used by port/vport */ + struct bfa_fcs_port_s *port; /* parent FCS port */ + struct bfa_fcs_s *fcs; /* fcs instance */ + struct bfad_rport_s *rp_drv; /* driver peer instance */ + u32 pid; /* port ID of rport */ + u16 maxfrsize; /* maximum frame size */ + u16 reply_oxid; /* OX_ID of inbound requests */ + enum fc_cos fc_cos; /* FC classes of service supp */ + bfa_boolean_t cisc; /* CISC capable device */ + wwn_t pwwn; /* port wwn of rport */ + wwn_t nwwn; /* node wwn of rport */ + struct bfa_rport_symname_s psym_name; /* port symbolic name */ + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; /* general purpose timer */ + struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ + struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ + struct bfa_fcs_iprp_s *iprp; /* IP/FC role */ + struct bfa_rport_s *bfa_rport; /* BFA Rport */ + struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ + int plogi_retries; /* max plogi retry attempts */ + int ns_retries; /* max NS query retry attempts */ + struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ + struct bfa_rport_stats_s stats; /* rport stats */ + enum bfa_rport_function scsi_function; /* Initiator/Target */ + struct bfa_fcs_rpf_s rpf; /* Rport features module */ +}; + +static inline struct bfa_rport_s * +bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport) +{ + return rport->bfa_rport; +} + +/** + * bfa fcs rport API functions + */ +bfa_status_t bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn, + struct bfa_fcs_rport_s *rport, + struct bfad_rport_s *rport_drv); +bfa_status_t bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, + struct bfa_rport_attr_s *attr); +void bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, + struct bfa_rport_stats_s *stats); +void bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport); +struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port, + wwn_t rpwwn); +struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn( + struct bfa_fcs_port_s *port, wwn_t rnwwn); +void bfa_fcs_rport_set_del_timeout(u8 rport_tmo); +void bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, + enum bfa_pport_speed speed); +#endif /* __BFA_FCS_RPORT_H__ */ diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_vport.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_vport.h new file mode 100644 index 000000000000..cd33f2cd5c34 --- /dev/null +++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_vport.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_vport.h BFA fcs vport module public interface + */ + +#ifndef __BFA_FCS_VPORT_H__ +#define __BFA_FCS_VPORT_H__ + +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_port.h> +#include <defs/bfa_defs_vport.h> +#include <fcs/bfa_fcs.h> +#include <fcb/bfa_fcb_vport.h> + +struct bfa_fcs_vport_s { + struct list_head qe; /* queue elem */ + bfa_sm_t sm; /* state machine */ + bfa_fcs_lport_t lport; /* logical port */ + struct bfa_timer_s timer; /* general purpose timer */ + struct bfad_vport_s *vport_drv; /* Driver private */ + struct bfa_vport_stats_s vport_stats; /* vport statistics */ + struct bfa_lps_s *lps; /* Lport login service */ + int fdisc_retries; +}; + +#define bfa_fcs_vport_get_port(vport) \ + ((struct bfa_fcs_port_s *)(&vport->port)) + +/** + * bfa fcs vport public functions + */ +bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, + struct bfa_fcs_s *fcs, u16 vf_id, + struct bfa_port_cfg_s *port_cfg, + struct bfad_vport_s *vport_drv); +bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport); +bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport); +bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, + struct bfa_vport_attr_s *vport_attr); +void bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport, + struct bfa_vport_stats_s *vport_stats); +void bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport); +struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, + u16 vf_id, wwn_t vpwwn); + +#endif /* __BFA_FCS_VPORT_H__ */ diff --git a/drivers/scsi/bfa/include/log/bfa_log_fcs.h b/drivers/scsi/bfa/include/log/bfa_log_fcs.h new file mode 100644 index 000000000000..b6f5df8827f8 --- /dev/null +++ b/drivers/scsi/bfa/include/log/bfa_log_fcs.h @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* + * messages define for FCS Module + */ +#ifndef __BFA_LOG_FCS_H__ +#define __BFA_LOG_FCS_H__ +#include <cs/bfa_log.h> +#define BFA_LOG_FCS_FABRIC_NOSWITCH \ + (((u32) BFA_LOG_FCS_ID << BFA_LOG_MODID_OFFSET) | 1) +#define BFA_LOG_FCS_FABRIC_ISOLATED \ + (((u32) BFA_LOG_FCS_ID << BFA_LOG_MODID_OFFSET) | 2) +#endif diff --git a/drivers/scsi/bfa/include/log/bfa_log_hal.h b/drivers/scsi/bfa/include/log/bfa_log_hal.h new file mode 100644 index 000000000000..0412aea2ec30 --- /dev/null +++ b/drivers/scsi/bfa/include/log/bfa_log_hal.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for HAL Module */ +#ifndef __BFA_LOG_HAL_H__ +#define __BFA_LOG_HAL_H__ +#include <cs/bfa_log.h> +#define BFA_LOG_HAL_ASSERT \ + (((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 1) +#define BFA_LOG_HAL_HEARTBEAT_FAILURE \ + (((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 2) +#define BFA_LOG_HAL_FCPIM_PARM_INVALID \ + (((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 3) +#define BFA_LOG_HAL_SM_ASSERT \ + (((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 4) +#endif diff --git a/drivers/scsi/bfa/include/log/bfa_log_linux.h b/drivers/scsi/bfa/include/log/bfa_log_linux.h new file mode 100644 index 000000000000..317c0547ee16 --- /dev/null +++ b/drivers/scsi/bfa/include/log/bfa_log_linux.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* messages define for LINUX Module */ +#ifndef __BFA_LOG_LINUX_H__ +#define __BFA_LOG_LINUX_H__ +#include <cs/bfa_log.h> +#define BFA_LOG_LINUX_DEVICE_CLAIMED \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 1) +#define BFA_LOG_LINUX_HASH_INIT_FAILED \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 2) +#define BFA_LOG_LINUX_SYSFS_FAILED \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 3) +#define BFA_LOG_LINUX_MEM_ALLOC_FAILED \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 4) +#define BFA_LOG_LINUX_DRIVER_REGISTRATION_FAILED \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 5) +#define BFA_LOG_LINUX_ITNIM_FREE \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 6) +#define BFA_LOG_LINUX_ITNIM_ONLINE \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 7) +#define BFA_LOG_LINUX_ITNIM_OFFLINE \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 8) +#define BFA_LOG_LINUX_SCSI_HOST_FREE \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 9) +#define BFA_LOG_LINUX_SCSI_ABORT \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 10) +#define BFA_LOG_LINUX_SCSI_ABORT_COMP \ + (((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 11) +#endif diff --git a/drivers/scsi/bfa/include/log/bfa_log_wdrv.h b/drivers/scsi/bfa/include/log/bfa_log_wdrv.h new file mode 100644 index 000000000000..809a95f7afe2 --- /dev/null +++ b/drivers/scsi/bfa/include/log/bfa_log_wdrv.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* + * messages define for WDRV Module + */ +#ifndef __BFA_LOG_WDRV_H__ +#define __BFA_LOG_WDRV_H__ +#include <cs/bfa_log.h> +#define BFA_LOG_WDRV_IOC_INIT_ERROR \ + (((u32) BFA_LOG_WDRV_ID << BFA_LOG_MODID_OFFSET) | 1) +#define BFA_LOG_WDRV_IOC_INTERNAL_ERROR \ + (((u32) BFA_LOG_WDRV_ID << BFA_LOG_MODID_OFFSET) | 2) +#define BFA_LOG_WDRV_IOC_START_ERROR \ + (((u32) BFA_LOG_WDRV_ID << BFA_LOG_MODID_OFFSET) | 3) +#define BFA_LOG_WDRV_IOC_STOP_ERROR \ + (((u32) BFA_LOG_WDRV_ID << BFA_LOG_MODID_OFFSET) | 4) +#define BFA_LOG_WDRV_INSUFFICIENT_RESOURCES \ + (((u32) BFA_LOG_WDRV_ID << BFA_LOG_MODID_OFFSET) | 5) +#define BFA_LOG_WDRV_BASE_ADDRESS_MAP_ERROR \ + (((u32) BFA_LOG_WDRV_ID << BFA_LOG_MODID_OFFSET) | 6) +#endif diff --git a/drivers/scsi/bfa/include/protocol/ct.h b/drivers/scsi/bfa/include/protocol/ct.h new file mode 100644 index 000000000000..c59d6630b070 --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/ct.h @@ -0,0 +1,492 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __CT_H__ +#define __CT_H__ + +#include <protocol/types.h> + +#pragma pack(1) + +struct ct_hdr_s{ + u32 rev_id:8; /* Revision of the CT */ + u32 in_id:24; /* Initiator Id */ + u32 gs_type:8; /* Generic service Type */ + u32 gs_sub_type:8; /* Generic service sub type */ + u32 options:8; /* options */ + u32 rsvrd:8; /* reserved */ + u32 cmd_rsp_code:16;/* ct command/response code */ + u32 max_res_size:16;/* maximum/residual size */ + u32 frag_id:8; /* fragment ID */ + u32 reason_code:8; /* reason code */ + u32 exp_code:8; /* explanation code */ + u32 vendor_unq:8; /* vendor unique */ +}; + +/* + * defines for the Revision + */ +enum { + CT_GS3_REVISION = 0x01, +}; + +/* + * defines for gs_type + */ +enum { + CT_GSTYPE_KEYSERVICE = 0xF7, + CT_GSTYPE_ALIASSERVICE = 0xF8, + CT_GSTYPE_MGMTSERVICE = 0xFA, + CT_GSTYPE_TIMESERVICE = 0xFB, + CT_GSTYPE_DIRSERVICE = 0xFC, +}; + +/* + * defines for gs_sub_type for gs type directory service + */ +enum { + CT_GSSUBTYPE_NAMESERVER = 0x02, +}; + +/* + * defines for gs_sub_type for gs type management service + */ +enum { + CT_GSSUBTYPE_CFGSERVER = 0x01, + CT_GSSUBTYPE_UNZONED_NS = 0x02, + CT_GSSUBTYPE_ZONESERVER = 0x03, + CT_GSSUBTYPE_LOCKSERVER = 0x04, + CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10, /* for FDMI */ +}; + +/* + * defines for CT response code field + */ +enum { + CT_RSP_REJECT = 0x8001, + CT_RSP_ACCEPT = 0x8002, +}; + +/* + * defintions for CT reason code + */ +enum { + CT_RSN_INV_CMD = 0x01, + CT_RSN_INV_VER = 0x02, + CT_RSN_LOGIC_ERR = 0x03, + CT_RSN_INV_SIZE = 0x04, + CT_RSN_LOGICAL_BUSY = 0x05, + CT_RSN_PROTO_ERR = 0x07, + CT_RSN_UNABLE_TO_PERF = 0x09, + CT_RSN_NOT_SUPP = 0x0B, + CT_RSN_SERVER_NOT_AVBL = 0x0D, + CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E, + CT_RSN_VENDOR_SPECIFIC = 0xFF, + +}; + +/* + * definitions for explanations code for Name server + */ +enum { + CT_NS_EXP_NOADDITIONAL = 0x00, + CT_NS_EXP_ID_NOT_REG = 0x01, + CT_NS_EXP_PN_NOT_REG = 0x02, + CT_NS_EXP_NN_NOT_REG = 0x03, + CT_NS_EXP_CS_NOT_REG = 0x04, + CT_NS_EXP_IPN_NOT_REG = 0x05, + CT_NS_EXP_IPA_NOT_REG = 0x06, + CT_NS_EXP_FT_NOT_REG = 0x07, + CT_NS_EXP_SPN_NOT_REG = 0x08, + CT_NS_EXP_SNN_NOT_REG = 0x09, + CT_NS_EXP_PT_NOT_REG = 0x0A, + CT_NS_EXP_IPP_NOT_REG = 0x0B, + CT_NS_EXP_FPN_NOT_REG = 0x0C, + CT_NS_EXP_HA_NOT_REG = 0x0D, + CT_NS_EXP_FD_NOT_REG = 0x0E, + CT_NS_EXP_FF_NOT_REG = 0x0F, + CT_NS_EXP_ACCESSDENIED = 0x10, + CT_NS_EXP_UNACCEPTABLE_ID = 0x11, + CT_NS_EXP_DATABASEEMPTY = 0x12, + CT_NS_EXP_NOT_REG_IN_SCOPE = 0x13, + CT_NS_EXP_DOM_ID_NOT_PRESENT = 0x14, + CT_NS_EXP_PORT_NUM_NOT_PRESENT = 0x15, + CT_NS_EXP_NO_DEVICE_ATTACHED = 0x16 +}; + +/* + * defintions for the explanation code for all servers + */ +enum { + CT_EXP_AUTH_EXCEPTION = 0xF1, + CT_EXP_DB_FULL = 0xF2, + CT_EXP_DB_EMPTY = 0xF3, + CT_EXP_PROCESSING_REQ = 0xF4, + CT_EXP_UNABLE_TO_VERIFY_CONN = 0xF5, + CT_EXP_DEVICES_NOT_IN_CMN_ZONE = 0xF6 +}; + +/* + * Command codes for Name server + */ +enum { + GS_GID_PN = 0x0121, /* Get Id on port name */ + GS_GPN_ID = 0x0112, /* Get port name on ID */ + GS_GNN_ID = 0x0113, /* Get node name on ID */ + GS_GID_FT = 0x0171, /* Get Id on FC4 type */ + GS_GSPN_ID = 0x0118, /* Get symbolic PN on ID */ + GS_RFT_ID = 0x0217, /* Register fc4type on ID */ + GS_RSPN_ID = 0x0218, /* Register symbolic PN on ID */ + GS_RPN_ID = 0x0212, /* Register port name */ + GS_RNN_ID = 0x0213, /* Register node name */ + GS_RCS_ID = 0x0214, /* Register class of service */ + GS_RPT_ID = 0x021A, /* Register port type */ + GS_GA_NXT = 0x0100, /* Get all next */ + GS_RFF_ID = 0x021F, /* Register FC4 Feature */ +}; + +struct fcgs_id_req_s{ + u32 rsvd:8; + u32 dap:24; /* port identifier */ +}; +#define fcgs_gpnid_req_t struct fcgs_id_req_s +#define fcgs_gnnid_req_t struct fcgs_id_req_s +#define fcgs_gspnid_req_t struct fcgs_id_req_s + +struct fcgs_gidpn_req_s{ + wwn_t port_name; /* port wwn */ +}; + +struct fcgs_gidpn_resp_s{ + u32 rsvd:8; + u32 dap:24; /* port identifier */ +}; + +/** + * RFT_ID + */ +struct fcgs_rftid_req_s { + u32 rsvd:8; + u32 dap:24; /* port identifier */ + u32 fc4_type[8]; /* fc4 types */ +}; + +/** + * RFF_ID : Register FC4 features. + */ + +#define FC_GS_FCP_FC4_FEATURE_INITIATOR 0x02 +#define FC_GS_FCP_FC4_FEATURE_TARGET 0x01 + +struct fcgs_rffid_req_s{ + u32 rsvd :8; + u32 dap :24; /* port identifier */ + u32 rsvd1 :16; + u32 fc4ftr_bits :8; /* fc4 feature bits */ + u32 fc4_type :8; /* corresponding FC4 Type */ +}; + +/** + * GID_FT Request + */ +struct fcgs_gidft_req_s{ + u8 reserved; + u8 domain_id; /* domain, 0 - all fabric */ + u8 area_id; /* area, 0 - whole domain */ + u8 fc4_type; /* FC_TYPE_FCP for SCSI devices */ +}; /* GID_FT Request */ + +/** + * GID_FT Response + */ +struct fcgs_gidft_resp_s { + u8 last:1; /* last port identifier flag */ + u8 reserved:7; + u32 pid:24; /* port identifier */ +}; /* GID_FT Response */ + +/** + * RSPN_ID + */ +struct fcgs_rspnid_req_s{ + u32 rsvd:8; + u32 dap:24; /* port identifier */ + u8 spn_len; /* symbolic port name length */ + u8 spn[256]; /* symbolic port name */ +}; + +/** + * RPN_ID + */ +struct fcgs_rpnid_req_s{ + u32 rsvd:8; + u32 port_id:24; + wwn_t port_name; +}; + +/** + * RNN_ID + */ +struct fcgs_rnnid_req_s{ + u32 rsvd:8; + u32 port_id:24; + wwn_t node_name; +}; + +/** + * RCS_ID + */ +struct fcgs_rcsid_req_s{ + u32 rsvd:8; + u32 port_id:24; + u32 cos; +}; + +/** + * RPT_ID + */ +struct fcgs_rptid_req_s{ + u32 rsvd:8; + u32 port_id:24; + u32 port_type:8; + u32 rsvd1:24; +}; + +/** + * GA_NXT Request + */ +struct fcgs_ganxt_req_s{ + u32 rsvd:8; + u32 port_id:24; +}; + +/** + * GA_NXT Response + */ +struct fcgs_ganxt_rsp_s{ + u32 port_type:8; /* Port Type */ + u32 port_id:24; /* Port Identifier */ + wwn_t port_name; /* Port Name */ + u8 spn_len; /* Length of Symbolic Port Name */ + char spn[255]; /* Symbolic Port Name */ + wwn_t node_name; /* Node Name */ + u8 snn_len; /* Length of Symbolic Node Name */ + char snn[255]; /* Symbolic Node Name */ + u8 ipa[8]; /* Initial Process Associator */ + u8 ip[16]; /* IP Address */ + u32 cos; /* Class of Service */ + u32 fc4types[8]; /* FC-4 TYPEs */ + wwn_t fabric_port_name; + /* Fabric Port Name */ + u32 rsvd:8; /* Reserved */ + u32 hard_addr:24; /* Hard Address */ +}; + +/* + * Fabric Config Server + */ + +/* + * Command codes for Fabric Configuration Server + */ +enum { + GS_FC_GFN_CMD = 0x0114, /* GS FC Get Fabric Name */ + GS_FC_GMAL_CMD = 0x0116, /* GS FC GMAL */ + GS_FC_TRACE_CMD = 0x0400, /* GS FC Trace Route */ + GS_FC_PING_CMD = 0x0401, /* GS FC Ping */ +}; + +/* + * Source or Destination Port Tags. + */ +enum { + GS_FTRACE_TAG_NPORT_ID = 1, + GS_FTRACE_TAG_NPORT_NAME = 2, +}; + +/* +* Port Value : Could be a Port id or wwn + */ +union fcgs_port_val_u{ + u32 nport_id; + wwn_t nport_wwn; +}; + +#define GS_FTRACE_MAX_HOP_COUNT 20 +#define GS_FTRACE_REVISION 1 + +/* + * Ftrace Related Structures. + */ + +/* + * STR (Switch Trace) Reject Reason Codes. From FC-SW. + */ +enum { + GS_FTRACE_STR_CMD_COMPLETED_SUCC = 0, + GS_FTRACE_STR_CMD_NOT_SUPP_IN_NEXT_SWITCH, + GS_FTRACE_STR_NO_RESP_FROM_NEXT_SWITCH, + GS_FTRACE_STR_MAX_HOP_CNT_REACHED, + GS_FTRACE_STR_SRC_PORT_NOT_FOUND, + GS_FTRACE_STR_DST_PORT_NOT_FOUND, + GS_FTRACE_STR_DEVICES_NOT_IN_COMMON_ZONE, + GS_FTRACE_STR_NO_ROUTE_BW_PORTS, + GS_FTRACE_STR_NO_ADDL_EXPLN, + GS_FTRACE_STR_FABRIC_BUSY, + GS_FTRACE_STR_FABRIC_BUILD_IN_PROGRESS, + GS_FTRACE_STR_VENDOR_SPECIFIC_ERR_START = 0xf0, + GS_FTRACE_STR_VENDOR_SPECIFIC_ERR_END = 0xff, +}; + +/* + * Ftrace Request + */ +struct fcgs_ftrace_req_s{ + u32 revision; + u16 src_port_tag; /* Source Port tag */ + u16 src_port_len; /* Source Port len */ + union fcgs_port_val_u src_port_val; /* Source Port value */ + u16 dst_port_tag; /* Destination Port tag */ + u16 dst_port_len; /* Destination Port len */ + union fcgs_port_val_u dst_port_val; /* Destination Port value */ + u32 token; + u8 vendor_id[8]; /* T10 Vendor Identifier */ + u8 vendor_info[8]; /* Vendor specific Info */ + u32 max_hop_cnt; /* Max Hop Count */ +}; + +/* + * Path info structure + */ +struct fcgs_ftrace_path_info_s{ + wwn_t switch_name; /* Switch WWN */ + u32 domain_id; + wwn_t ingress_port_name; /* Ingress ports wwn */ + u32 ingress_phys_port_num; /* Ingress ports physical port + * number + */ + wwn_t egress_port_name; /* Ingress ports wwn */ + u32 egress_phys_port_num; /* Ingress ports physical port + * number + */ +}; + +/* + * Ftrace Acc Response + */ +struct fcgs_ftrace_resp_s{ + u32 revision; + u32 token; + u8 vendor_id[8]; /* T10 Vendor Identifier */ + u8 vendor_info[8]; /* Vendor specific Info */ + u32 str_rej_reason_code; /* STR Reject Reason Code */ + u32 num_path_info_entries; /* No. of path info entries */ + /* + * path info entry/entries. + */ + struct fcgs_ftrace_path_info_s path_info[1]; + +}; + +/* +* Fabric Config Server : FCPing + */ + +/* + * FC Ping Request + */ +struct fcgs_fcping_req_s{ + u32 revision; + u16 port_tag; + u16 port_len; /* Port len */ + union fcgs_port_val_u port_val; /* Port value */ + u32 token; +}; + +/* + * FC Ping Response + */ +struct fcgs_fcping_resp_s{ + u32 token; +}; + +/* + * Command codes for zone server query. + */ +enum { + ZS_GZME = 0x0124, /* Get zone member extended */ +}; + +/* + * ZS GZME request + */ +#define ZS_GZME_ZNAMELEN 32 +struct zs_gzme_req_s{ + u8 znamelen; + u8 rsvd[3]; + u8 zname[ZS_GZME_ZNAMELEN]; +}; + +enum zs_mbr_type{ + ZS_MBR_TYPE_PWWN = 1, + ZS_MBR_TYPE_DOMPORT = 2, + ZS_MBR_TYPE_PORTID = 3, + ZS_MBR_TYPE_NWWN = 4, +}; + +struct zs_mbr_wwn_s{ + u8 mbr_type; + u8 rsvd[3]; + wwn_t wwn; +}; + +struct zs_query_resp_s{ + u32 nmbrs; /* number of zone members */ + struct zs_mbr_wwn_s mbr[1]; +}; + +/* + * GMAL Command ( Get ( interconnect Element) Management Address List) + * To retrieve the IP Address of a Switch. + */ + +#define CT_GMAL_RESP_PREFIX_TELNET "telnet://" +#define CT_GMAL_RESP_PREFIX_HTTP "http://" + +/* GMAL/GFN request */ +struct fcgs_req_s { + wwn_t wwn; /* PWWN/NWWN */ +}; + +#define fcgs_gmal_req_t struct fcgs_req_s +#define fcgs_gfn_req_t struct fcgs_req_s + +/* Accept Response to GMAL */ +struct fcgs_gmal_resp_s { + u32 ms_len; /* Num of entries */ + u8 ms_ma[256]; +}; + +struct fc_gmal_entry_s { + u8 len; + u8 prefix[7]; /* like "http://" */ + u8 ip_addr[248]; +}; + +#pragma pack() + +#endif diff --git a/drivers/scsi/bfa/include/protocol/fc.h b/drivers/scsi/bfa/include/protocol/fc.h new file mode 100644 index 000000000000..3e39ba58cfb5 --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/fc.h @@ -0,0 +1,1105 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __FC_H__ +#define __FC_H__ + +#include <protocol/types.h> + +#pragma pack(1) + +/* + * Fibre Channel Header Structure (FCHS) definition + */ +struct fchs_s { +#ifdef __BIGENDIAN + u32 routing:4; /* routing bits */ + u32 cat_info:4; /* category info */ +#else + u32 cat_info:4; /* category info */ + u32 routing:4; /* routing bits */ +#endif + u32 d_id:24; /* destination identifier */ + + u32 cs_ctl:8; /* class specific control */ + u32 s_id:24; /* source identifier */ + + u32 type:8; /* data structure type */ + u32 f_ctl:24; /* initial frame control */ + + u8 seq_id; /* sequence identifier */ + u8 df_ctl; /* data field control */ + u16 seq_cnt; /* sequence count */ + + u16 ox_id; /* originator exchange ID */ + u16 rx_id; /* responder exchange ID */ + + u32 ro; /* relative offset */ +}; +/* + * Fibre Channel BB_E Header Structure + */ +struct fcbbehs_s { + u16 ver_rsvd; + u32 rsvd[2]; + u32 rsvd__sof; +}; + +#define FC_SEQ_ID_MAX 256 + +/* + * routing bit definitions + */ +enum { + FC_RTG_FC4_DEV_DATA = 0x0, /* FC-4 Device Data */ + FC_RTG_EXT_LINK = 0x2, /* Extended Link Data */ + FC_RTG_FC4_LINK_DATA = 0x3, /* FC-4 Link Data */ + FC_RTG_VIDEO_DATA = 0x4, /* Video Data */ + FC_RTG_EXT_HDR = 0x5, /* VFT, IFR or Encapsuled */ + FC_RTG_BASIC_LINK = 0x8, /* Basic Link data */ + FC_RTG_LINK_CTRL = 0xC, /* Link Control */ +}; + +/* + * information category for extended link data and FC-4 Link Data + */ +enum { + FC_CAT_LD_REQUEST = 0x2, /* Request */ + FC_CAT_LD_REPLY = 0x3, /* Reply */ + FC_CAT_LD_DIAG = 0xF, /* for DIAG use only */ +}; + +/* + * information category for extended headers (VFT, IFR or encapsulation) + */ +enum { + FC_CAT_VFT_HDR = 0x0, /* Virtual fabric tagging header */ + FC_CAT_IFR_HDR = 0x1, /* Inter-Fabric routing header */ + FC_CAT_ENC_HDR = 0x2, /* Encapsulation header */ +}; + +/* + * information category for FC-4 device data + */ +enum { + FC_CAT_UNCATEG_INFO = 0x0, /* Uncategorized information */ + FC_CAT_SOLICIT_DATA = 0x1, /* Solicited Data */ + FC_CAT_UNSOLICIT_CTRL = 0x2, /* Unsolicited Control */ + FC_CAT_SOLICIT_CTRL = 0x3, /* Solicited Control */ + FC_CAT_UNSOLICIT_DATA = 0x4, /* Unsolicited Data */ + FC_CAT_DATA_DESC = 0x5, /* Data Descriptor */ + FC_CAT_UNSOLICIT_CMD = 0x6, /* Unsolicited Command */ + FC_CAT_CMD_STATUS = 0x7, /* Command Status */ +}; + +/* + * information category for Link Control + */ +enum { + FC_CAT_ACK_1 = 0x00, + FC_CAT_ACK_0_N = 0x01, + FC_CAT_P_RJT = 0x02, + FC_CAT_F_RJT = 0x03, + FC_CAT_P_BSY = 0x04, + FC_CAT_F_BSY_DATA = 0x05, + FC_CAT_F_BSY_LINK_CTL = 0x06, + FC_CAT_F_LCR = 0x07, + FC_CAT_NTY = 0x08, + FC_CAT_END = 0x09, +}; + +/* + * Type Field Definitions. FC-PH Section 18.5 pg. 165 + */ +enum { + FC_TYPE_BLS = 0x0, /* Basic Link Service */ + FC_TYPE_ELS = 0x1, /* Extended Link Service */ + FC_TYPE_IP = 0x5, /* IP */ + FC_TYPE_FCP = 0x8, /* SCSI-FCP */ + FC_TYPE_GPP = 0x9, /* SCSI_GPP */ + FC_TYPE_SERVICES = 0x20, /* Fibre Channel Services */ + FC_TYPE_FC_FSS = 0x22, /* Fabric Switch Services */ + FC_TYPE_FC_AL = 0x23, /* FC-AL */ + FC_TYPE_FC_SNMP = 0x24, /* FC-SNMP */ + FC_TYPE_MAX = 256, /* 256 FC-4 types */ +}; + +struct fc_fc4types_s{ + u8 bits[FC_TYPE_MAX / 8]; +}; + +/* + * Frame Control Definitions. FC-PH Table-45. pg. 168 + */ +enum { + FCTL_EC_ORIG = 0x000000, /* exchange originator */ + FCTL_EC_RESP = 0x800000, /* exchange responder */ + FCTL_SEQ_INI = 0x000000, /* sequence initiator */ + FCTL_SEQ_REC = 0x400000, /* sequence recipient */ + FCTL_FS_EXCH = 0x200000, /* first sequence of xchg */ + FCTL_LS_EXCH = 0x100000, /* last sequence of xchg */ + FCTL_END_SEQ = 0x080000, /* last frame of sequence */ + FCTL_SI_XFER = 0x010000, /* seq initiative transfer */ + FCTL_RO_PRESENT = 0x000008, /* relative offset present */ + FCTL_FILLBYTE_MASK = 0x000003 /* , fill byte mask */ +}; + +/* + * Fabric Well Known Addresses + */ +enum { + FC_MIN_WELL_KNOWN_ADDR = 0xFFFFF0, + FC_DOMAIN_CONTROLLER_MASK = 0xFFFC00, + FC_ALIAS_SERVER = 0xFFFFF8, + FC_MGMT_SERVER = 0xFFFFFA, + FC_TIME_SERVER = 0xFFFFFB, + FC_NAME_SERVER = 0xFFFFFC, + FC_FABRIC_CONTROLLER = 0xFFFFFD, + FC_FABRIC_PORT = 0xFFFFFE, + FC_BROADCAST_SERVER = 0xFFFFFF +}; + +/* + * domain/area/port defines + */ +#define FC_DOMAIN_MASK 0xFF0000 +#define FC_DOMAIN_SHIFT 16 +#define FC_AREA_MASK 0x00FF00 +#define FC_AREA_SHIFT 8 +#define FC_PORT_MASK 0x0000FF +#define FC_PORT_SHIFT 0 + +#define FC_GET_DOMAIN(p) (((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT) +#define FC_GET_AREA(p) (((p) & FC_AREA_MASK) >> FC_AREA_SHIFT) +#define FC_GET_PORT(p) (((p) & FC_PORT_MASK) >> FC_PORT_SHIFT) + +#define FC_DOMAIN_CTRLR(p) (FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p))) + +enum { + FC_RXID_ANY = 0xFFFFU, +}; + +/* + * generic ELS command + */ +struct fc_els_cmd_s{ + u32 els_code:8; /* ELS Command Code */ + u32 reserved:24; +}; + +/* + * ELS Command Codes. FC-PH Table-75. pg. 223 + */ +enum { + FC_ELS_LS_RJT = 0x1, /* Link Service Reject. */ + FC_ELS_ACC = 0x02, /* Accept */ + FC_ELS_PLOGI = 0x03, /* N_Port Login. */ + FC_ELS_FLOGI = 0x04, /* F_Port Login. */ + FC_ELS_LOGO = 0x05, /* Logout. */ + FC_ELS_ABTX = 0x06, /* Abort Exchange */ + FC_ELS_RES = 0x08, /* Read Exchange status */ + FC_ELS_RSS = 0x09, /* Read sequence status block */ + FC_ELS_RSI = 0x0A, /* Request Sequence Initiative */ + FC_ELS_ESTC = 0x0C, /* Estimate Credit. */ + FC_ELS_RTV = 0x0E, /* Read Timeout Value. */ + FC_ELS_RLS = 0x0F, /* Read Link Status. */ + FC_ELS_ECHO = 0x10, /* Echo */ + FC_ELS_TEST = 0x11, /* Test */ + FC_ELS_RRQ = 0x12, /* Reinstate Recovery Qualifier. */ + FC_ELS_REC = 0x13, /* Add this for TAPE support in FCR */ + FC_ELS_PRLI = 0x20, /* Process Login */ + FC_ELS_PRLO = 0x21, /* Process Logout. */ + FC_ELS_SCN = 0x22, /* State Change Notification. */ + FC_ELS_TPRLO = 0x24, /* Third Party Process Logout. */ + FC_ELS_PDISC = 0x50, /* Discover N_Port Parameters. */ + FC_ELS_FDISC = 0x51, /* Discover F_Port Parameters. */ + FC_ELS_ADISC = 0x52, /* Discover Address. */ + FC_ELS_FAN = 0x60, /* Fabric Address Notification */ + FC_ELS_RSCN = 0x61, /* Reg State Change Notification */ + FC_ELS_SCR = 0x62, /* State Change Registration. */ + FC_ELS_RTIN = 0x77, /* Mangement server request */ + FC_ELS_RNID = 0x78, /* Mangement server request */ + FC_ELS_RLIR = 0x79, /* Registered Link Incident Record */ + + FC_ELS_RPSC = 0x7D, /* Report Port Speed Capabilities */ + FC_ELS_QSA = 0x7E, /* Query Security Attributes. Ref FC-SP */ + FC_ELS_E2E_LBEACON = 0x81, + /* End-to-End Link Beacon */ + FC_ELS_AUTH = 0x90, /* Authentication. Ref FC-SP */ + FC_ELS_RFCN = 0x97, /* Request Fabric Change Notification. Ref + *FC-SP */ + +}; + +/* + * Version numbers for FC-PH standards, + * used in login to indicate what port + * supports. See FC-PH-X table 158. + */ +enum { + FC_PH_VER_4_3 = 0x09, + FC_PH_VER_PH_3 = 0x20, +}; + +/* + * PDU size defines + */ +enum { + FC_MIN_PDUSZ = 512, + FC_MAX_PDUSZ = 2112, +}; + +/* + * N_Port PLOGI Common Service Parameters. + * FC-PH-x. Figure-76. pg. 308. + */ +struct fc_plogi_csp_s{ + u8 verhi; /* FC-PH high version */ + u8 verlo; /* FC-PH low version */ + u16 bbcred; /* BB_Credit */ + +#ifdef __BIGENDIAN + u8 ciro:1, /* continuously increasing RO */ + rro:1, /* random relative offset */ + npiv_supp:1, /* NPIV supported */ + port_type:1, /* N_Port/F_port */ + altbbcred:1, /* alternate BB_Credit */ + resolution:1, /* ms/ns ED_TOV resolution */ + vvl_info:1, /* VVL Info included */ + reserved1:1; + + u8 hg_supp:1, + query_dbc:1, + security:1, + sync_cap:1, + r_t_tov:1, + dh_dup_supp:1, + cisc:1, /* continuously increasing seq count */ + payload:1; +#else + u8 reserved2:2, + resolution:1, /* ms/ns ED_TOV resolution */ + altbbcred:1, /* alternate BB_Credit */ + port_type:1, /* N_Port/F_port */ + npiv_supp:1, /* NPIV supported */ + rro:1, /* random relative offset */ + ciro:1; /* continuously increasing RO */ + + u8 payload:1, + cisc:1, /* continuously increasing seq count */ + dh_dup_supp:1, + r_t_tov:1, + sync_cap:1, + security:1, + query_dbc:1, + hg_supp:1; +#endif + + u16 rxsz; /* recieve data_field size */ + + u16 conseq; + u16 ro_bitmap; + + u32 e_d_tov; +}; + +/* + * N_Port PLOGI Class Specific Parameters. + * FC-PH-x. Figure 78. pg. 318. + */ +struct fc_plogi_clp_s{ +#ifdef __BIGENDIAN + u32 class_valid:1; + u32 intermix:1; /* class intermix supported if set =1. + * valid only for class1. Reserved for + * class2 & class3 + */ + u32 reserved1:2; + u32 sequential:1; + u32 reserved2:3; +#else + u32 reserved2:3; + u32 sequential:1; + u32 reserved1:2; + u32 intermix:1; /* class intermix supported if set =1. + * valid only for class1. Reserved for + * class2 & class3 + */ + u32 class_valid:1; +#endif + + u32 reserved3:24; + + u32 reserved4:16; + u32 rxsz:16; /* Receive data_field size */ + + u32 reserved5:8; + u32 conseq:8; + u32 e2e_credit:16; /* end to end credit */ + + u32 reserved7:8; + u32 ospx:8; + u32 reserved8:16; +}; + +#define FLOGI_VVL_BRCD 0x42524344 /* ASCII value for each character in + * string "BRCD" */ + +/* + * PLOGI els command and reply payload + */ +struct fc_logi_s{ + struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_plogi_csp_s csp; /* common service params */ + wwn_t port_name; + wwn_t node_name; + struct fc_plogi_clp_s class1; /* class 1 service parameters */ + struct fc_plogi_clp_s class2; /* class 2 service parameters */ + struct fc_plogi_clp_s class3; /* class 3 service parameters */ + struct fc_plogi_clp_s class4; /* class 4 service parameters */ + u8 vvl[16]; /* vendor version level */ +}; + +/* + * LOGO els command payload + */ +struct fc_logo_s{ + struct fc_els_cmd_s els_cmd; /* ELS command code */ + u32 res1:8; + u32 nport_id:24; /* N_Port identifier of source */ + wwn_t orig_port_name; /* Port name of the LOGO originator */ +}; + +/* + * ADISC els command payload + */ +struct fc_adisc_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ + u32 res1:8; + u32 orig_HA:24; /* originator hard address */ + wwn_t orig_port_name; /* originator port name */ + wwn_t orig_node_name; /* originator node name */ + u32 res2:8; + u32 nport_id:24; /* originator NPortID */ +}; + +/* + * Exchange status block + */ +struct fc_exch_status_blk_s{ + u32 oxid:16; + u32 rxid:16; + u32 res1:8; + u32 orig_np:24; /* originator NPortID */ + u32 res2:8; + u32 resp_np:24; /* responder NPortID */ + u32 es_bits; + u32 res3; + /* + * un modified section of the fields + */ +}; + +/* + * RES els command payload + */ +struct fc_res_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ + u32 res1:8; + u32 nport_id:24; /* N_Port identifier of source */ + u32 oxid:16; + u32 rxid:16; + u8 assoc_hdr[32]; +}; + +/* + * RES els accept payload + */ +struct fc_res_acc_s{ + struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_exch_status_blk_s fc_exch_blk; /* Exchange status block */ +}; + +/* + * REC els command payload + */ +struct fc_rec_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ + u32 res1:8; + u32 nport_id:24; /* N_Port identifier of source */ + u32 oxid:16; + u32 rxid:16; +}; + +#define FC_REC_ESB_OWN_RSP 0x80000000 /* responder owns */ +#define FC_REC_ESB_SI 0x40000000 /* SI is owned */ +#define FC_REC_ESB_COMP 0x20000000 /* exchange is complete */ +#define FC_REC_ESB_ENDCOND_ABN 0x10000000 /* abnormal ending */ +#define FC_REC_ESB_RQACT 0x04000000 /* recovery qual active */ +#define FC_REC_ESB_ERRP_MSK 0x03000000 +#define FC_REC_ESB_OXID_INV 0x00800000 /* invalid OXID */ +#define FC_REC_ESB_RXID_INV 0x00400000 /* invalid RXID */ +#define FC_REC_ESB_PRIO_INUSE 0x00200000 + +/* + * REC els accept payload + */ +struct fc_rec_acc_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ + u32 oxid:16; + u32 rxid:16; + u32 res1:8; + u32 orig_id:24; /* N_Port id of exchange originator */ + u32 res2:8; + u32 resp_id:24; /* N_Port id of exchange responder */ + u32 count; /* data transfer count */ + u32 e_stat; /* exchange status */ +}; + +/* + * RSI els payload + */ +struct fc_rsi_s { + struct fc_els_cmd_s els_cmd; + u32 res1:8; + u32 orig_sid:24; + u32 oxid:16; + u32 rxid:16; +}; + +/* + * structure for PRLI paramater pages, both request & response + * see FC-PH-X table 113 & 115 for explanation also FCP table 8 + */ +struct fc_prli_params_s{ + u32 reserved: 16; +#ifdef __BIGENDIAN + u32 reserved1: 5; + u32 rec_support : 1; + u32 task_retry_id : 1; + u32 retry : 1; + + u32 confirm : 1; + u32 doverlay:1; + u32 initiator:1; + u32 target:1; + u32 cdmix:1; + u32 drmix:1; + u32 rxrdisab:1; + u32 wxrdisab:1; +#else + u32 retry : 1; + u32 task_retry_id : 1; + u32 rec_support : 1; + u32 reserved1: 5; + + u32 wxrdisab:1; + u32 rxrdisab:1; + u32 drmix:1; + u32 cdmix:1; + u32 target:1; + u32 initiator:1; + u32 doverlay:1; + u32 confirm : 1; +#endif +}; + +/* + * valid values for rspcode in PRLI ACC payload + */ +enum { + FC_PRLI_ACC_XQTD = 0x1, /* request executed */ + FC_PRLI_ACC_PREDEF_IMG = 0x5, /* predefined image - no prli needed */ +}; + +struct fc_prli_params_page_s{ + u32 type:8; + u32 codext:8; +#ifdef __BIGENDIAN + u32 origprocasv:1; + u32 rsppav:1; + u32 imagepair:1; + u32 reserved1:1; + u32 rspcode:4; +#else + u32 rspcode:4; + u32 reserved1:1; + u32 imagepair:1; + u32 rsppav:1; + u32 origprocasv:1; +#endif + u32 reserved2:8; + + u32 origprocas; + u32 rspprocas; + struct fc_prli_params_s servparams; +}; + +/* + * PRLI request and accept payload, FC-PH-X tables 112 & 114 + */ +struct fc_prli_s{ + u32 command:8; + u32 pglen:8; + u32 pagebytes:16; + struct fc_prli_params_page_s parampage; +}; + +/* + * PRLO logout params page + */ +struct fc_prlo_params_page_s{ + u32 type:8; + u32 type_ext:8; +#ifdef __BIGENDIAN + u32 opa_valid:1; /* originator process associator + * valid + */ + u32 rpa_valid:1; /* responder process associator valid */ + u32 res1:14; +#else + u32 res1:14; + u32 rpa_valid:1; /* responder process associator valid */ + u32 opa_valid:1; /* originator process associator + * valid + */ +#endif + u32 orig_process_assc; + u32 resp_process_assc; + + u32 res2; +}; + +/* + * PRLO els command payload + */ +struct fc_prlo_s{ + u32 command:8; + u32 page_len:8; + u32 payload_len:16; + struct fc_prlo_params_page_s prlo_params[1]; +}; + +/* + * PRLO Logout response parameter page + */ +struct fc_prlo_acc_params_page_s{ + u32 type:8; + u32 type_ext:8; + +#ifdef __BIGENDIAN + u32 opa_valid:1; /* originator process associator + * valid + */ + u32 rpa_valid:1; /* responder process associator valid */ + u32 res1:14; +#else + u32 res1:14; + u32 rpa_valid:1; /* responder process associator valid */ + u32 opa_valid:1; /* originator process associator + * valid + */ +#endif + u32 orig_process_assc; + u32 resp_process_assc; + + u32 fc4type_csp; +}; + +/* + * PRLO els command ACC payload + */ +struct fc_prlo_acc_s{ + u32 command:8; + u32 page_len:8; + u32 payload_len:16; + struct fc_prlo_acc_params_page_s prlo_acc_params[1]; +}; + +/* + * SCR els command payload + */ +enum { + FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01, + FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02, + FC_SCR_REG_FUNC_FULL = 0x03, + FC_SCR_REG_FUNC_CLEAR_REG = 0xFF, +}; + +/* SCR VU registrations */ +enum { + FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01 +}; + +struct fc_scr_s{ + u32 command:8; + u32 res:24; + u32 vu_reg_func:8; /* Vendor Unique Registrations */ + u32 res1:16; + u32 reg_func:8; +}; + +/* + * Information category for Basic link data + */ +enum { + FC_CAT_NOP = 0x0, + FC_CAT_ABTS = 0x1, + FC_CAT_RMC = 0x2, + FC_CAT_BA_ACC = 0x4, + FC_CAT_BA_RJT = 0x5, + FC_CAT_PRMT = 0x6, +}; + +/* + * LS_RJT els reply payload + */ +struct fc_ls_rjt_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ + u32 res1:8; + u32 reason_code:8; /* Reason code for reject */ + u32 reason_code_expl:8; /* Reason code explanation */ + u32 vendor_unique:8; /* Vendor specific */ +}; + +/* + * LS_RJT reason codes + */ +enum { + FC_LS_RJT_RSN_INV_CMD_CODE = 0x01, + FC_LS_RJT_RSN_LOGICAL_ERROR = 0x03, + FC_LS_RJT_RSN_LOGICAL_BUSY = 0x05, + FC_LS_RJT_RSN_PROTOCOL_ERROR = 0x07, + FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09, + FC_LS_RJT_RSN_CMD_NOT_SUPP = 0x0B, +}; + +/* + * LS_RJT reason code explanation + */ +enum { + FC_LS_RJT_EXP_NO_ADDL_INFO = 0x00, + FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS = 0x01, + FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL = 0x03, + FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL = 0x05, + FC_LS_RJT_EXP_SPARMS_ERR_RXSZ = 0x07, + FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ = 0x09, + FC_LS_RJT_EXP_SPARMS_ERR_CREDIT = 0x0B, + FC_LS_RJT_EXP_INV_PORT_NAME = 0x0D, + FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME = 0x0E, + FC_LS_RJT_EXP_INV_CSP = 0x0F, + FC_LS_RJT_EXP_INV_ASSOC_HDR = 0x11, + FC_LS_RJT_EXP_ASSOC_HDR_REQD = 0x13, + FC_LS_RJT_EXP_INV_ORIG_S_ID = 0x15, + FC_LS_RJT_EXP_INV_OXID_RXID_COMB = 0x17, + FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG = 0x19, + FC_LS_RJT_EXP_LOGIN_REQUIRED = 0x1E, + FC_LS_RJT_EXP_INVALID_NPORT_ID = 0x1F, + FC_LS_RJT_EXP_INSUFF_RES = 0x29, + FC_LS_RJT_EXP_CMD_NOT_SUPP = 0x2C, + FC_LS_RJT_EXP_INV_PAYLOAD_LEN = 0x2D, +}; + +/* + * RRQ els command payload + */ +struct fc_rrq_s{ + struct fc_els_cmd_s els_cmd; /* ELS command code */ + u32 res1:8; + u32 s_id:24; /* exchange originator S_ID */ + + u32 ox_id:16; /* originator exchange ID */ + u32 rx_id:16; /* responder exchange ID */ + + u32 res2[8]; /* optional association header */ +}; + +/* + * ABTS BA_ACC reply payload + */ +struct fc_ba_acc_s{ + u32 seq_id_valid:8; /* set to 0x00 for Abort Exchange */ + u32 seq_id:8; /* invalid for Abort Exchange */ + u32 res2:16; + u32 ox_id:16; /* OX_ID from ABTS frame */ + u32 rx_id:16; /* RX_ID from ABTS frame */ + u32 low_seq_cnt:16; /* set to 0x0000 for Abort Exchange */ + u32 high_seq_cnt:16;/* set to 0xFFFF for Abort Exchange */ +}; + +/* + * ABTS BA_RJT reject payload + */ +struct fc_ba_rjt_s{ + u32 res1:8; /* Reserved */ + u32 reason_code:8; /* reason code for reject */ + u32 reason_expl:8; /* reason code explanation */ + u32 vendor_unique:8;/* vendor unique reason code,set to 0 */ +}; + +/* + * TPRLO logout parameter page + */ +struct fc_tprlo_params_page_s{ + u32 type:8; + u32 type_ext:8; + +#ifdef __BIGENDIAN + u32 opa_valid:1; + u32 rpa_valid:1; + u32 tpo_nport_valid:1; + u32 global_process_logout:1; + u32 res1:12; +#else + u32 res1:12; + u32 global_process_logout:1; + u32 tpo_nport_valid:1; + u32 rpa_valid:1; + u32 opa_valid:1; +#endif + + u32 orig_process_assc; + u32 resp_process_assc; + + u32 res2:8; + u32 tpo_nport_id; +}; + +/* + * TPRLO ELS command payload + */ +struct fc_tprlo_s{ + u32 command:8; + u32 page_len:8; + u32 payload_len:16; + + struct fc_tprlo_params_page_s tprlo_params[1]; +}; + +enum fc_tprlo_type{ + FC_GLOBAL_LOGO = 1, + FC_TPR_LOGO +}; + +/* + * TPRLO els command ACC payload + */ +struct fc_tprlo_acc_s{ + u32 command:8; + u32 page_len:8; + u32 payload_len:16; + struct fc_prlo_acc_params_page_s tprlo_acc_params[1]; +}; + +/* + * RSCN els command req payload + */ +#define FC_RSCN_PGLEN 0x4 + +enum fc_rscn_format{ + FC_RSCN_FORMAT_PORTID = 0x0, + FC_RSCN_FORMAT_AREA = 0x1, + FC_RSCN_FORMAT_DOMAIN = 0x2, + FC_RSCN_FORMAT_FABRIC = 0x3, +}; + +struct fc_rscn_event_s{ + u32 format:2; + u32 qualifier:4; + u32 resvd:2; + u32 portid:24; +}; + +struct fc_rscn_pl_s{ + u8 command; + u8 pagelen; + u16 payldlen; + struct fc_rscn_event_s event[1]; +}; + +/* + * ECHO els command req payload + */ +struct fc_echo_s { + struct fc_els_cmd_s els_cmd; +}; + +/* + * RNID els command + */ + +#define RNID_NODEID_DATA_FORMAT_COMMON 0x00 +#define RNID_NODEID_DATA_FORMAT_FCP3 0x08 +#define RNID_NODEID_DATA_FORMAT_DISCOVERY 0xDF + +#define RNID_ASSOCIATED_TYPE_UNKNOWN 0x00000001 +#define RNID_ASSOCIATED_TYPE_OTHER 0x00000002 +#define RNID_ASSOCIATED_TYPE_HUB 0x00000003 +#define RNID_ASSOCIATED_TYPE_SWITCH 0x00000004 +#define RNID_ASSOCIATED_TYPE_GATEWAY 0x00000005 +#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE 0x00000009 +#define RNID_ASSOCIATED_TYPE_HOST 0x0000000A +#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM 0x0000000B +#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE 0x0000000E +#define RNID_ASSOCIATED_TYPE_NAS_SERVER 0x00000011 +#define RNID_ASSOCIATED_TYPE_BRIDGE 0x00000002 +#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE 0x00000003 +#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE 0x000000FF + +/* + * RNID els command payload + */ +struct fc_rnid_cmd_s{ + struct fc_els_cmd_s els_cmd; + u32 node_id_data_format:8; + u32 reserved:24; +}; + +/* + * RNID els response payload + */ + +struct fc_rnid_common_id_data_s{ + wwn_t port_name; + wwn_t node_name; +}; + +struct fc_rnid_general_topology_data_s{ + u32 vendor_unique[4]; + u32 asso_type; + u32 phy_port_num; + u32 num_attached_nodes; + u32 node_mgmt:8; + u32 ip_version:8; + u32 udp_tcp_port_num:16; + u32 ip_address[4]; + u32 reserved:16; + u32 vendor_specific:16; +}; + +struct fc_rnid_acc_s{ + struct fc_els_cmd_s els_cmd; + u32 node_id_data_format:8; + u32 common_id_data_length:8; + u32 reserved:8; + u32 specific_id_data_length:8; + struct fc_rnid_common_id_data_s common_id_data; + struct fc_rnid_general_topology_data_s gen_topology_data; +}; + +#define RNID_ASSOCIATED_TYPE_UNKNOWN 0x00000001 +#define RNID_ASSOCIATED_TYPE_OTHER 0x00000002 +#define RNID_ASSOCIATED_TYPE_HUB 0x00000003 +#define RNID_ASSOCIATED_TYPE_SWITCH 0x00000004 +#define RNID_ASSOCIATED_TYPE_GATEWAY 0x00000005 +#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE 0x00000009 +#define RNID_ASSOCIATED_TYPE_HOST 0x0000000A +#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM 0x0000000B +#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE 0x0000000E +#define RNID_ASSOCIATED_TYPE_NAS_SERVER 0x00000011 +#define RNID_ASSOCIATED_TYPE_BRIDGE 0x00000002 +#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE 0x00000003 +#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE 0x000000FF + +enum fc_rpsc_speed_cap{ + RPSC_SPEED_CAP_1G = 0x8000, + RPSC_SPEED_CAP_2G = 0x4000, + RPSC_SPEED_CAP_4G = 0x2000, + RPSC_SPEED_CAP_10G = 0x1000, + RPSC_SPEED_CAP_8G = 0x0800, + RPSC_SPEED_CAP_16G = 0x0400, + + RPSC_SPEED_CAP_UNKNOWN = 0x0001, +}; + +enum fc_rpsc_op_speed_s{ + RPSC_OP_SPEED_1G = 0x8000, + RPSC_OP_SPEED_2G = 0x4000, + RPSC_OP_SPEED_4G = 0x2000, + RPSC_OP_SPEED_10G = 0x1000, + RPSC_OP_SPEED_8G = 0x0800, + RPSC_OP_SPEED_16G = 0x0400, + + RPSC_OP_SPEED_NOT_EST = 0x0001, /*! speed not established */ +}; + +struct fc_rpsc_speed_info_s{ + u16 port_speed_cap; /*! see fc_rpsc_speed_cap_t */ + u16 port_op_speed; /*! see fc_rpsc_op_speed_t */ +}; + +enum link_e2e_beacon_subcmd{ + LINK_E2E_BEACON_ON = 1, + LINK_E2E_BEACON_OFF = 2 +}; + +enum beacon_type{ + BEACON_TYPE_NORMAL = 1, /*! Normal Beaconing. Green */ + BEACON_TYPE_WARN = 2, /*! Warning Beaconing. Yellow/Amber */ + BEACON_TYPE_CRITICAL = 3 /*! Critical Beaconing. Red */ +}; + +struct link_e2e_beacon_param_s { + u8 beacon_type; /* Beacon Type. See beacon_type_t */ + u8 beacon_frequency; + /* Beacon frequency. Number of blinks + * per 10 seconds + */ + u16 beacon_duration;/* Beacon duration (in Seconds). The + * command operation should be + * terminated at the end of this + * timeout value. + * + * Ignored if diag_sub_cmd is + * LINK_E2E_BEACON_OFF. + * + * If 0, beaconing will continue till a + * BEACON OFF request is received + */ +}; + +/* + * Link E2E beacon request/good response format. For LS_RJTs use fc_ls_rjt_t + */ +struct link_e2e_beacon_req_s{ + u32 ls_code; /*! FC_ELS_E2E_LBEACON in requests * + *or FC_ELS_ACC in good replies */ + u32 ls_sub_cmd; /*! See link_e2e_beacon_subcmd_t */ + struct link_e2e_beacon_param_s beacon_parm; +}; + +/** + * If RPSC request is sent to the Domain Controller, the request is for + * all the ports within that domain (TODO - I don't think FOS implements + * this...). + */ +struct fc_rpsc_cmd_s{ + struct fc_els_cmd_s els_cmd; +}; + +/* + * RPSC Acc + */ +struct fc_rpsc_acc_s{ + u32 command:8; + u32 rsvd:8; + u32 num_entries:16; + + struct fc_rpsc_speed_info_s speed_info[1]; +}; + +/** + * If RPSC2 request is sent to the Domain Controller, + */ +#define FC_BRCD_TOKEN 0x42524344 + +struct fc_rpsc2_cmd_s{ + struct fc_els_cmd_s els_cmd; + u32 token; + u16 resvd; + u16 num_pids; /* Number of pids in the request */ + struct { + u32 rsvd1:8; + u32 pid:24; /* port identifier */ + } pid_list[1]; +}; + +enum fc_rpsc2_port_type{ + RPSC2_PORT_TYPE_UNKNOWN = 0, + RPSC2_PORT_TYPE_NPORT = 1, + RPSC2_PORT_TYPE_NLPORT = 2, + RPSC2_PORT_TYPE_NPIV_PORT = 0x5f, + RPSC2_PORT_TYPE_NPORT_TRUNK = 0x6f, +}; + +/* + * RPSC2 portInfo entry structure + */ +struct fc_rpsc2_port_info_s{ + u32 pid; /* PID */ + u16 resvd1; + u16 index; /* port number / index */ + u8 resvd2; + u8 type; /* port type N/NL/... */ + u16 speed; /* port Operating Speed */ +}; + +/* + * RPSC2 Accept payload + */ +struct fc_rpsc2_acc_s{ + u8 els_cmd; + u8 resvd; + u16 num_pids; /* Number of pids in the request */ + struct fc_rpsc2_port_info_s port_info[1]; /* port information */ +}; + +/** + * bit fields so that multiple classes can be specified + */ +enum fc_cos{ + FC_CLASS_2 = 0x04, + FC_CLASS_3 = 0x08, + FC_CLASS_2_3 = 0x0C, +}; + +/* + * symbolic name + */ +struct fc_symname_s{ + u8 symname[FC_SYMNAME_MAX]; +}; + +struct fc_alpabm_s{ + u8 alpa_bm[FC_ALPA_MAX / 8]; +}; + +/* + * protocol default timeout values + */ +#define FC_ED_TOV 2 +#define FC_REC_TOV (FC_ED_TOV + 1) +#define FC_RA_TOV 10 +#define FC_ELS_TOV (2 * FC_RA_TOV) + +/* + * virtual fabric related defines + */ +#define FC_VF_ID_NULL 0 /* must not be used as VF_ID */ +#define FC_VF_ID_MIN 1 +#define FC_VF_ID_MAX 0xEFF +#define FC_VF_ID_CTL 0xFEF /* control VF_ID */ + +/** + * Virtual Fabric Tagging header format + * @caution This is defined only in BIG ENDIAN format. + */ +struct fc_vft_s{ + u32 r_ctl:8; + u32 ver:2; + u32 type:4; + u32 res_a:2; + u32 priority:3; + u32 vf_id:12; + u32 res_b:1; + u32 hopct:8; + u32 res_c:24; +}; + +#pragma pack() + +#endif diff --git a/drivers/scsi/bfa/include/protocol/fc_sp.h b/drivers/scsi/bfa/include/protocol/fc_sp.h new file mode 100644 index 000000000000..55bb0b31d04b --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/fc_sp.h @@ -0,0 +1,224 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __FC_SP_H__ +#define __FC_SP_H__ + +#include <protocol/types.h> + +#pragma pack(1) + +enum auth_els_flags{ + FC_AUTH_ELS_MORE_FRAGS_FLAG = 0x80, /*! bit-7. More Fragments + * Follow + */ + FC_AUTH_ELS_CONCAT_FLAG = 0x40, /*! bit-6. Concatenation Flag */ + FC_AUTH_ELS_SEQ_NUM_FLAG = 0x01 /*! bit-0. Sequence Number */ +}; + +enum auth_msg_codes{ + FC_AUTH_MC_AUTH_RJT = 0x0A, /*! Auth Reject */ + FC_AUTH_MC_AUTH_NEG = 0x0B, /*! Auth Negotiate */ + FC_AUTH_MC_AUTH_DONE = 0x0C, /*! Auth Done */ + + FC_AUTH_MC_DHCHAP_CHAL = 0x10, /*! DHCHAP Challenge */ + FC_AUTH_MC_DHCHAP_REPLY = 0x11, /*! DHCHAP Reply */ + FC_AUTH_MC_DHCHAP_SUCC = 0x12, /*! DHCHAP Success */ + + FC_AUTH_MC_FCAP_REQ = 0x13, /*! FCAP Request */ + FC_AUTH_MC_FCAP_ACK = 0x14, /*! FCAP Acknowledge */ + FC_AUTH_MC_FCAP_CONF = 0x15, /*! FCAP Confirm */ + + FC_AUTH_MC_FCPAP_INIT = 0x16, /*! FCPAP Init */ + FC_AUTH_MC_FCPAP_ACC = 0x17, /*! FCPAP Accept */ + FC_AUTH_MC_FCPAP_COMP = 0x18, /*! FCPAP Complete */ + + FC_AUTH_MC_IKE_SA_INIT = 0x22, /*! IKE SA INIT */ + FC_AUTH_MC_IKE_SA_AUTH = 0x23, /*! IKE SA Auth */ + FC_AUTH_MC_IKE_CREATE_CHILD_SA = 0x24, /*! IKE Create Child SA */ + FC_AUTH_MC_IKE_INFO = 0x25, /*! IKE informational */ +}; + +enum auth_proto_version{ + FC_AUTH_PROTO_VER_1 = 1, /*! Protocol Version 1 */ +}; + +enum { + FC_AUTH_ELS_COMMAND_CODE = 0x90,/*! Authentication ELS Command code */ + FC_AUTH_PROTO_PARAM_LEN_SZ = 4, /*! Size of Proto Parameter Len Field */ + FC_AUTH_PROTO_PARAM_VAL_SZ = 4, /*! Size of Proto Parameter Val Field */ + FC_MAX_AUTH_SECRET_LEN = 256, + /*! Maximum secret string length */ + FC_AUTH_NUM_USABLE_PROTO_LEN_SZ = 4, + /*! Size of usable protocols field */ + FC_AUTH_RESP_VALUE_LEN_SZ = 4, + /*! Size of response value length */ + FC_MAX_CHAP_KEY_LEN = 256, /*! Maximum md5 digest length */ + FC_MAX_AUTH_RETRIES = 3, /*! Maximum number of retries */ + FC_MD5_DIGEST_LEN = 16, /*! MD5 digest length */ + FC_SHA1_DIGEST_LEN = 20, /*! SHA1 digest length */ + FC_MAX_DHG_SUPPORTED = 1, /*! Maximum DH Groups supported */ + FC_MAX_ALG_SUPPORTED = 1, /*! Maximum algorithms supported */ + FC_MAX_PROTO_SUPPORTED = 1, /*! Maximum protocols supported */ + FC_START_TXN_ID = 2, /*! Starting transaction ID */ +}; + +enum auth_proto_id{ + FC_AUTH_PROTO_DHCHAP = 0x00000001, + FC_AUTH_PROTO_FCAP = 0x00000002, + FC_AUTH_PROTO_FCPAP = 0x00000003, + FC_AUTH_PROTO_IKEv2 = 0x00000004, + FC_AUTH_PROTO_IKEv2_AUTH = 0x00000005, +}; + +struct auth_name_s{ + u16 name_tag; /*! Name Tag = 1 for Authentication */ + u16 name_len; /*! Name Length = 8 for Authentication + */ + wwn_t name; /*! Name. TODO - is this PWWN */ +}; + + +enum auth_hash_func{ + FC_AUTH_HASH_FUNC_MD5 = 0x00000005, + FC_AUTH_HASH_FUNC_SHA_1 = 0x00000006, +}; + +enum auth_dh_gid{ + FC_AUTH_DH_GID_0_DHG_NULL = 0x00000000, + FC_AUTH_DH_GID_1_DHG_1024 = 0x00000001, + FC_AUTH_DH_GID_2_DHG_1280 = 0x00000002, + FC_AUTH_DH_GID_3_DHG_1536 = 0x00000003, + FC_AUTH_DH_GID_4_DHG_2048 = 0x00000004, + FC_AUTH_DH_GID_6_DHG_3072 = 0x00000006, + FC_AUTH_DH_GID_7_DHG_4096 = 0x00000007, + FC_AUTH_DH_GID_8_DHG_6144 = 0x00000008, + FC_AUTH_DH_GID_9_DHG_8192 = 0x00000009, +}; + +struct auth_els_msg_s { + u8 auth_els_code; /* Authentication ELS Code (0x90) */ + u8 auth_els_flag; /* Authentication ELS Flags */ + u8 auth_msg_code; /* Authentication Message Code */ + u8 proto_version; /* Protocol Version */ + u32 msg_len; /* Message Length */ + u32 trans_id; /* Transaction Identifier (T_ID) */ + + /* Msg payload follows... */ +}; + + +enum auth_neg_param_tags { + FC_AUTH_NEG_DHCHAP_HASHLIST = 0x0001, + FC_AUTH_NEG_DHCHAP_DHG_ID_LIST = 0x0002, +}; + + +struct dhchap_param_format_s { + u16 tag; /*! Parameter Tag. See + * auth_neg_param_tags_t + */ + u16 word_cnt; + + /* followed by variable length parameter value... */ +}; + +struct auth_proto_params_s { + u32 proto_param_len; + u32 proto_id; + + /* + * Followed by variable length Protocol specific parameters. DH-CHAP + * uses dhchap_param_format_t + */ +}; + +struct auth_neg_msg_s { + struct auth_name_s auth_ini_name; + u32 usable_auth_protos; + struct auth_proto_params_s proto_params[1]; /*! (1..usable_auth_proto) + * protocol params + */ +}; + +struct auth_dh_val_s { + u32 dh_val_len; + u32 dh_val[1]; +}; + +struct auth_dhchap_chal_msg_s { + struct auth_els_msg_s hdr; + struct auth_name_s auth_responder_name; /* TODO VRK - is auth_name_t + * type OK? + */ + u32 hash_id; + u32 dh_grp_id; + u32 chal_val_len; + char chal_val[1]; + + /* ...followed by variable Challenge length/value and DH length/value */ +}; + + +enum auth_rjt_codes { + FC_AUTH_RJT_CODE_AUTH_FAILURE = 0x01, + FC_AUTH_RJT_CODE_LOGICAL_ERR = 0x02, +}; + +enum auth_rjt_code_exps { + FC_AUTH_CEXP_AUTH_MECH_NOT_USABLE = 0x01, + FC_AUTH_CEXP_DH_GROUP_NOT_USABLE = 0x02, + FC_AUTH_CEXP_HASH_FUNC_NOT_USABLE = 0x03, + FC_AUTH_CEXP_AUTH_XACT_STARTED = 0x04, + FC_AUTH_CEXP_AUTH_FAILED = 0x05, + FC_AUTH_CEXP_INCORRECT_PLD = 0x06, + FC_AUTH_CEXP_INCORRECT_PROTO_MSG = 0x07, + FC_AUTH_CEXP_RESTART_AUTH_PROTO = 0x08, + FC_AUTH_CEXP_AUTH_CONCAT_NOT_SUPP = 0x09, + FC_AUTH_CEXP_PROTO_VER_NOT_SUPP = 0x0A, +}; + +enum auth_status { + FC_AUTH_STATE_INPROGRESS = 0, /*! authentication in progress */ + FC_AUTH_STATE_FAILED = 1, /*! authentication failed */ + FC_AUTH_STATE_SUCCESS = 2 /*! authentication successful */ +}; + +struct auth_rjt_msg_s { + struct auth_els_msg_s hdr; + u8 reason_code; + u8 reason_code_exp; + u8 rsvd[2]; +}; + + +struct auth_dhchap_neg_msg_s { + struct auth_els_msg_s hdr; + struct auth_neg_msg_s nego; +}; + +struct auth_dhchap_reply_msg_s { + struct auth_els_msg_s hdr; + + /* + * followed by response value length & Value + DH Value Length & Value + */ +}; + +#pragma pack() + +#endif /* __FC_SP_H__ */ diff --git a/drivers/scsi/bfa/include/protocol/fcp.h b/drivers/scsi/bfa/include/protocol/fcp.h new file mode 100644 index 000000000000..9ade68ad2853 --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/fcp.h @@ -0,0 +1,186 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __FCPPROTO_H__ +#define __FCPPROTO_H__ + +#include <protocol/scsi.h> + +#pragma pack(1) + +enum { + FCP_RJT = 0x01000000, /* SRR reject */ + FCP_SRR_ACCEPT = 0x02000000, /* SRR accept */ + FCP_SRR = 0x14000000, /* Sequence Retransmission Request */ +}; + +/* + * SRR FC-4 LS payload + */ +struct fc_srr_s{ + u32 ls_cmd; + u32 ox_id:16; /* ox-id */ + u32 rx_id:16; /* rx-id */ + u32 ro; /* relative offset */ + u32 r_ctl:8; /* R_CTL for I.U. */ + u32 res:24; +}; + + +/* + * FCP_CMND definitions + */ +#define FCP_CMND_CDB_LEN 16 +#define FCP_CMND_LUN_LEN 8 + +struct fcp_cmnd_s{ + lun_t lun; /* 64-bit LU number */ + u8 crn; /* command reference number */ +#ifdef __BIGENDIAN + u8 resvd:1, + priority:4, /* FCP-3: SAM-3 priority */ + taskattr:3; /* scsi task attribute */ +#else + u8 taskattr:3, /* scsi task attribute */ + priority:4, /* FCP-3: SAM-3 priority */ + resvd:1; +#endif + u8 tm_flags; /* task management flags */ +#ifdef __BIGENDIAN + u8 addl_cdb_len:6, /* additional CDB length words */ + iodir:2; /* read/write FCP_DATA IUs */ +#else + u8 iodir:2, /* read/write FCP_DATA IUs */ + addl_cdb_len:6; /* additional CDB length */ +#endif + struct scsi_cdb_s cdb; + + /* + * !!! additional cdb bytes follows here!!! + */ + u32 fcp_dl; /* bytes to be transferred */ +}; + +#define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN) +#define fcp_cmnd_fcpdl(_cmnd) ((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len]) + +/* + * fcp_cmnd_t.iodir field values + */ +enum fcp_iodir{ + FCP_IODIR_NONE = 0, + FCP_IODIR_WRITE = 1, + FCP_IODIR_READ = 2, + FCP_IODIR_RW = 3, +}; + +/* + * Task attribute field + */ +enum { + FCP_TASK_ATTR_SIMPLE = 0, + FCP_TASK_ATTR_HOQ = 1, + FCP_TASK_ATTR_ORDERED = 2, + FCP_TASK_ATTR_ACA = 4, + FCP_TASK_ATTR_UNTAGGED = 5, /* obsolete in FCP-3 */ +}; + +/* + * Task management flags field - only one bit shall be set + */ +#ifndef BIT +#define BIT(_x) (1 << (_x)) +#endif +enum fcp_tm_cmnd{ + FCP_TM_ABORT_TASK_SET = BIT(1), + FCP_TM_CLEAR_TASK_SET = BIT(2), + FCP_TM_LUN_RESET = BIT(4), + FCP_TM_TARGET_RESET = BIT(5), /* obsolete in FCP-3 */ + FCP_TM_CLEAR_ACA = BIT(6), +}; + +/* + * FCP_XFER_RDY IU defines + */ +struct fcp_xfer_rdy_s{ + u32 data_ro; + u32 burst_len; + u32 reserved; +}; + +/* + * FCP_RSP residue flags + */ +enum fcp_residue{ + FCP_NO_RESIDUE = 0, /* no residue */ + FCP_RESID_OVER = 1, /* more data left that was not sent */ + FCP_RESID_UNDER = 2, /* less data than requested */ +}; + +enum { + FCP_RSPINFO_GOOD = 0, + FCP_RSPINFO_DATALEN_MISMATCH = 1, + FCP_RSPINFO_CMND_INVALID = 2, + FCP_RSPINFO_ROLEN_MISMATCH = 3, + FCP_RSPINFO_TM_NOT_SUPP = 4, + FCP_RSPINFO_TM_FAILED = 5, +}; + +struct fcp_rspinfo_s{ + u32 res0:24; + u32 rsp_code:8; /* response code (as above) */ + u32 res1; +}; + +struct fcp_resp_s{ + u32 reserved[2]; /* 2 words reserved */ + u16 reserved2; +#ifdef __BIGENDIAN + u8 reserved3:3; + u8 fcp_conf_req:1; /* FCP_CONF is requested */ + u8 resid_flags:2; /* underflow/overflow */ + u8 sns_len_valid:1;/* sense len is valid */ + u8 rsp_len_valid:1;/* response len is valid */ +#else + u8 rsp_len_valid:1;/* response len is valid */ + u8 sns_len_valid:1;/* sense len is valid */ + u8 resid_flags:2; /* underflow/overflow */ + u8 fcp_conf_req:1; /* FCP_CONF is requested */ + u8 reserved3:3; +#endif + u8 scsi_status; /* one byte SCSI status */ + u32 residue; /* residual data bytes */ + u32 sns_len; /* length od sense info */ + u32 rsp_len; /* length of response info */ +}; + +#define fcp_snslen(__fcprsp) ((__fcprsp)->sns_len_valid ? \ + (__fcprsp)->sns_len : 0) +#define fcp_rsplen(__fcprsp) ((__fcprsp)->rsp_len_valid ? \ + (__fcprsp)->rsp_len : 0) +#define fcp_rspinfo(__fcprsp) ((struct fcp_rspinfo_s *)((__fcprsp) + 1)) +#define fcp_snsinfo(__fcprsp) (((u8 *)fcp_rspinfo(__fcprsp)) + \ + fcp_rsplen(__fcprsp)) + +struct fcp_cmnd_fr_s{ + struct fchs_s fchs; + struct fcp_cmnd_s fcp; +}; + +#pragma pack() + +#endif diff --git a/drivers/scsi/bfa/include/protocol/fdmi.h b/drivers/scsi/bfa/include/protocol/fdmi.h new file mode 100644 index 000000000000..6c05c268c71b --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/fdmi.h @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __FDMI_H__ +#define __FDMI_H__ + +#include <protocol/types.h> +#include <protocol/fc.h> +#include <protocol/ct.h> + +#pragma pack(1) + +/* + * FDMI Command Codes + */ +#define FDMI_GRHL 0x0100 +#define FDMI_GHAT 0x0101 +#define FDMI_GRPL 0x0102 +#define FDMI_GPAT 0x0110 +#define FDMI_RHBA 0x0200 +#define FDMI_RHAT 0x0201 +#define FDMI_RPRT 0x0210 +#define FDMI_RPA 0x0211 +#define FDMI_DHBA 0x0300 +#define FDMI_DPRT 0x0310 + +/* + * FDMI reason codes + */ +#define FDMI_NO_ADDITIONAL_EXP 0x00 +#define FDMI_HBA_ALREADY_REG 0x10 +#define FDMI_HBA_ATTRIB_NOT_REG 0x11 +#define FDMI_HBA_ATTRIB_MULTIPLE 0x12 +#define FDMI_HBA_ATTRIB_LENGTH_INVALID 0x13 +#define FDMI_HBA_ATTRIB_NOT_PRESENT 0x14 +#define FDMI_PORT_ORIG_NOT_IN_LIST 0x15 +#define FDMI_PORT_HBA_NOT_IN_LIST 0x16 +#define FDMI_PORT_ATTRIB_NOT_REG 0x20 +#define FDMI_PORT_NOT_REG 0x21 +#define FDMI_PORT_ATTRIB_MULTIPLE 0x22 +#define FDMI_PORT_ATTRIB_LENGTH_INVALID 0x23 +#define FDMI_PORT_ALREADY_REGISTEREED 0x24 + +/* + * FDMI Transmission Speed Mask values + */ +#define FDMI_TRANS_SPEED_1G 0x00000001 +#define FDMI_TRANS_SPEED_2G 0x00000002 +#define FDMI_TRANS_SPEED_10G 0x00000004 +#define FDMI_TRANS_SPEED_4G 0x00000008 +#define FDMI_TRANS_SPEED_8G 0x00000010 +#define FDMI_TRANS_SPEED_16G 0x00000020 +#define FDMI_TRANS_SPEED_UNKNOWN 0x00008000 + +/* + * FDMI HBA attribute types + */ +enum fdmi_hba_attribute_type { + FDMI_HBA_ATTRIB_NODENAME = 1, /* 0x0001 */ + FDMI_HBA_ATTRIB_MANUFACTURER, /* 0x0002 */ + FDMI_HBA_ATTRIB_SERIALNUM, /* 0x0003 */ + FDMI_HBA_ATTRIB_MODEL, /* 0x0004 */ + FDMI_HBA_ATTRIB_MODEL_DESC, /* 0x0005 */ + FDMI_HBA_ATTRIB_HW_VERSION, /* 0x0006 */ + FDMI_HBA_ATTRIB_DRIVER_VERSION, /* 0x0007 */ + FDMI_HBA_ATTRIB_ROM_VERSION, /* 0x0008 */ + FDMI_HBA_ATTRIB_FW_VERSION, /* 0x0009 */ + FDMI_HBA_ATTRIB_OS_NAME, /* 0x000A */ + FDMI_HBA_ATTRIB_MAX_CT, /* 0x000B */ + + FDMI_HBA_ATTRIB_MAX_TYPE +}; + +/* + * FDMI Port attribute types + */ +enum fdmi_port_attribute_type { + FDMI_PORT_ATTRIB_FC4_TYPES = 1, /* 0x0001 */ + FDMI_PORT_ATTRIB_SUPP_SPEED, /* 0x0002 */ + FDMI_PORT_ATTRIB_PORT_SPEED, /* 0x0003 */ + FDMI_PORT_ATTRIB_FRAME_SIZE, /* 0x0004 */ + FDMI_PORT_ATTRIB_DEV_NAME, /* 0x0005 */ + FDMI_PORT_ATTRIB_HOST_NAME, /* 0x0006 */ + + FDMI_PORT_ATTR_MAX_TYPE +}; + +/* + * FDMI attribute + */ +struct fdmi_attr_s { + u16 type; + u16 len; + u8 value[1]; +}; + +/* + * HBA Attribute Block + */ +struct fdmi_hba_attr_s { + u32 attr_count; /* # of attributes */ + struct fdmi_attr_s hba_attr; /* n attributes */ +}; + +/* + * Registered Port List + */ +struct fdmi_port_list_s { + u32 num_ports; /* number Of Port Entries */ + wwn_t port_entry; /* one or more */ +}; + +/* + * Port Attribute Block + */ +struct fdmi_port_attr_s { + u32 attr_count; /* # of attributes */ + struct fdmi_attr_s port_attr; /* n attributes */ +}; + +/* + * FDMI Register HBA Attributes + */ +struct fdmi_rhba_s { + wwn_t hba_id; /* HBA Identifier */ + struct fdmi_port_list_s port_list; /* Registered Port List */ + struct fdmi_hba_attr_s hba_attr_blk; /* HBA attribute block */ +}; + +/* + * FDMI Register Port + */ +struct fdmi_rprt_s { + wwn_t hba_id; /* HBA Identifier */ + wwn_t port_name; /* Port wwn */ + struct fdmi_port_attr_s port_attr_blk; /* Port Attr Block */ +}; + +/* + * FDMI Register Port Attributes + */ +struct fdmi_rpa_s { + wwn_t port_name; /* port wwn */ + struct fdmi_port_attr_s port_attr_blk; /* Port Attr Block */ +}; + +#pragma pack() + +#endif diff --git a/drivers/scsi/bfa/include/protocol/pcifw.h b/drivers/scsi/bfa/include/protocol/pcifw.h new file mode 100644 index 000000000000..6830dc3ee58a --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/pcifw.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * pcifw.h PCI FW related headers + */ + +#ifndef __PCIFW_H__ +#define __PCIFW_H__ + +#pragma pack(1) + +struct pnp_hdr_s{ + u32 signature; /* "$PnP" */ + u8 rev; /* Struct revision */ + u8 len; /* Header structure len in multiples + * of 16 bytes */ + u16 off; /* Offset to next header 00 if none */ + u8 rsvd; /* Reserved byte */ + u8 cksum; /* 8-bit checksum for this header */ + u32 pnp_dev_id; /* PnP Device Id */ + u16 mfstr; /* Pointer to manufacturer string */ + u16 prstr; /* Pointer to product string */ + u8 devtype[3]; /* Device Type Code */ + u8 devind; /* Device Indicator */ + u16 bcventr; /* Bootstrap entry vector */ + u16 rsvd2; /* Reserved */ + u16 sriv; /* Static resource information vector */ +}; + +struct pci_3_0_ds_s{ + u32 sig; /* Signature "PCIR" */ + u16 vendid; /* Vendor ID */ + u16 devid; /* Device ID */ + u16 devlistoff; /* Device List Offset */ + u16 len; /* PCI Data Structure Length */ + u8 rev; /* PCI Data Structure Revision */ + u8 clcode[3]; /* Class Code */ + u16 imglen; /* Code image length in multiples of + * 512 bytes */ + u16 coderev; /* Revision level of code/data */ + u8 codetype; /* Code type 0x00 - BIOS */ + u8 indr; /* Last image indicator */ + u16 mrtimglen; /* Max Run Time Image Length */ + u16 cuoff; /* Config Utility Code Header Offset */ + u16 dmtfclp; /* DMTF CLP entry point offset */ +}; + +struct pci_optrom_hdr_s{ + u16 sig; /* Signature 0x55AA */ + u8 len; /* Option ROM length in units of 512 bytes */ + u8 inivec[3]; /* Initialization vector */ + u8 rsvd[16]; /* Reserved field */ + u16 verptr; /* Pointer to version string - private */ + u16 pcids; /* Pointer to PCI data structure */ + u16 pnphdr; /* Pointer to PnP expansion header */ +}; + +#pragma pack() + +#endif diff --git a/drivers/scsi/bfa/include/protocol/scsi.h b/drivers/scsi/bfa/include/protocol/scsi.h new file mode 100644 index 000000000000..b220e6b4f6e1 --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/scsi.h @@ -0,0 +1,1648 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __SCSI_H__ +#define __SCSI_H__ + +#include <protocol/types.h> + +#pragma pack(1) + +/* + * generic SCSI cdb definition + */ +#define SCSI_MAX_CDBLEN 16 +struct scsi_cdb_s{ + u8 scsi_cdb[SCSI_MAX_CDBLEN]; +}; + +/* + * scsi lun serial number definition + */ +#define SCSI_LUN_SN_LEN 32 +struct scsi_lun_sn_s{ + u8 lun_sn[SCSI_LUN_SN_LEN]; +}; + +/* + * SCSI Direct Access Commands + */ +enum { + SCSI_OP_TEST_UNIT_READY = 0x00, + SCSI_OP_REQUEST_SENSE = 0x03, + SCSI_OP_FORMAT_UNIT = 0x04, + SCSI_OP_READ6 = 0x08, + SCSI_OP_WRITE6 = 0x0A, + SCSI_OP_WRITE_FILEMARKS = 0x10, + SCSI_OP_INQUIRY = 0x12, + SCSI_OP_MODE_SELECT6 = 0x15, + SCSI_OP_RESERVE6 = 0x16, + SCSI_OP_RELEASE6 = 0x17, + SCSI_OP_MODE_SENSE6 = 0x1A, + SCSI_OP_START_STOP_UNIT = 0x1B, + SCSI_OP_SEND_DIAGNOSTIC = 0x1D, + SCSI_OP_READ_CAPACITY = 0x25, + SCSI_OP_READ10 = 0x28, + SCSI_OP_WRITE10 = 0x2A, + SCSI_OP_VERIFY10 = 0x2F, + SCSI_OP_READ_DEFECT_DATA = 0x37, + SCSI_OP_LOG_SELECT = 0x4C, + SCSI_OP_LOG_SENSE = 0x4D, + SCSI_OP_MODE_SELECT10 = 0x55, + SCSI_OP_RESERVE10 = 0x56, + SCSI_OP_RELEASE10 = 0x57, + SCSI_OP_MODE_SENSE10 = 0x5A, + SCSI_OP_PER_RESERVE_IN = 0x5E, + SCSI_OP_PER_RESERVE_OUR = 0x5E, + SCSI_OP_READ16 = 0x88, + SCSI_OP_WRITE16 = 0x8A, + SCSI_OP_VERIFY16 = 0x8F, + SCSI_OP_READ_CAPACITY16 = 0x9E, + SCSI_OP_REPORT_LUNS = 0xA0, + SCSI_OP_READ12 = 0xA8, + SCSI_OP_WRITE12 = 0xAA, + SCSI_OP_UNDEF = 0xFF, +}; + +/* + * SCSI START_STOP_UNIT command + */ +struct scsi_start_stop_unit_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 lun:3; + u8 reserved1:4; + u8 immed:1; +#else + u8 immed:1; + u8 reserved1:4; + u8 lun:3; +#endif + u8 reserved2; + u8 reserved3; +#ifdef __BIGENDIAN + u8 power_conditions:4; + u8 reserved4:2; + u8 loEj:1; + u8 start:1; +#else + u8 start:1; + u8 loEj:1; + u8 reserved4:2; + u8 power_conditions:4; +#endif + u8 control; +}; + +/* + * SCSI SEND_DIAGNOSTIC command + */ +struct scsi_send_diagnostic_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 self_test_code:3; + u8 pf:1; + u8 reserved1:1; + u8 self_test:1; + u8 dev_offl:1; + u8 unit_offl:1; +#else + u8 unit_offl:1; + u8 dev_offl:1; + u8 self_test:1; + u8 reserved1:1; + u8 pf:1; + u8 self_test_code:3; +#endif + u8 reserved2; + + u8 param_list_length[2]; /* MSB first */ + u8 control; + +}; + +/* + * SCSI READ10/WRITE10 commands + */ +struct scsi_rw10_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 lun:3; + u8 dpo:1; /* Disable Page Out */ + u8 fua:1; /* Force Unit Access */ + u8 reserved1:2; + u8 rel_adr:1; /* relative address */ +#else + u8 rel_adr:1; + u8 reserved1:2; + u8 fua:1; + u8 dpo:1; + u8 lun:3; +#endif + u8 lba0; /* logical block address - MSB */ + u8 lba1; + u8 lba2; + u8 lba3; /* LSB */ + u8 reserved3; + u8 xfer_length0; /* transfer length in blocks - MSB */ + u8 xfer_length1; /* LSB */ + u8 control; +}; + +#define SCSI_CDB10_GET_LBA(cdb) \ + (((cdb)->lba0 << 24) | ((cdb)->lba1 << 16) | \ + ((cdb)->lba2 << 8) | (cdb)->lba3) + +#define SCSI_CDB10_SET_LBA(cdb, lba) { \ + (cdb)->lba0 = lba >> 24; \ + (cdb)->lba1 = (lba >> 16) & 0xFF; \ + (cdb)->lba2 = (lba >> 8) & 0xFF; \ + (cdb)->lba3 = lba & 0xFF; \ +} + +#define SCSI_CDB10_GET_TL(cdb) \ + ((cdb)->xfer_length0 << 8 | (cdb)->xfer_length1) +#define SCSI_CDB10_SET_TL(cdb, tl) { \ + (cdb)->xfer_length0 = tl >> 8; \ + (cdb)->xfer_length1 = tl & 0xFF; \ +} + +/* + * SCSI READ6/WRITE6 commands + */ +struct scsi_rw6_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 lun:3; + u8 lba0:5; /* MSb */ +#else + u8 lba0:5; /* MSb */ + u8 lun:3; +#endif + u8 lba1; + u8 lba2; /* LSB */ + u8 xfer_length; + u8 control; +}; + +#define SCSI_TAPE_CDB6_GET_TL(cdb) \ + (((cdb)->tl0 << 16) | ((cdb)->tl1 << 8) | (cdb)->tl2) + +#define SCSI_TAPE_CDB6_SET_TL(cdb, tl) { \ + (cdb)->tl0 = tl >> 16; \ + (cdb)->tl1 = (tl >> 8) & 0xFF; \ + (cdb)->tl2 = tl & 0xFF; \ +} + +/* + * SCSI sequential (TAPE) wrtie command + */ +struct scsi_tape_wr_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 rsvd:7; + u8 fixed:1; /* MSb */ +#else + u8 fixed:1; /* MSb */ + u8 rsvd:7; +#endif + u8 tl0; /* Msb */ + u8 tl1; + u8 tl2; /* Lsb */ + + u8 control; +}; + +#define SCSI_CDB6_GET_LBA(cdb) \ + (((cdb)->lba0 << 16) | ((cdb)->lba1 << 8) | (cdb)->lba2) + +#define SCSI_CDB6_SET_LBA(cdb, lba) { \ + (cdb)->lba0 = lba >> 16; \ + (cdb)->lba1 = (lba >> 8) & 0xFF; \ + (cdb)->lba2 = lba & 0xFF; \ +} + +#define SCSI_CDB6_GET_TL(cdb) ((cdb)->xfer_length) +#define SCSI_CDB6_SET_TL(cdb, tl) { \ + (cdb)->xfer_length = tl; \ +} + +/* + * SCSI sense data format + */ +struct scsi_sense_s{ +#ifdef __BIGENDIAN + u8 valid:1; + u8 rsp_code:7; +#else + u8 rsp_code:7; + u8 valid:1; +#endif + u8 seg_num; +#ifdef __BIGENDIAN + u8 file_mark:1; + u8 eom:1; /* end of media */ + u8 ili:1; /* incorrect length indicator */ + u8 reserved:1; + u8 sense_key:4; +#else + u8 sense_key:4; + u8 reserved:1; + u8 ili:1; /* incorrect length indicator */ + u8 eom:1; /* end of media */ + u8 file_mark:1; +#endif + u8 information[4]; /* device-type or command specific info + */ + u8 add_sense_length; + /* additional sense length */ + u8 command_info[4];/* command specific information + */ + u8 asc; /* additional sense code */ + u8 ascq; /* additional sense code qualifier */ + u8 fru_code; /* field replaceable unit code */ +#ifdef __BIGENDIAN + u8 sksv:1; /* sense key specific valid */ + u8 c_d:1; /* command/data bit */ + u8 res1:2; + u8 bpv:1; /* bit pointer valid */ + u8 bpointer:3; /* bit pointer */ +#else + u8 bpointer:3; /* bit pointer */ + u8 bpv:1; /* bit pointer valid */ + u8 res1:2; + u8 c_d:1; /* command/data bit */ + u8 sksv:1; /* sense key specific valid */ +#endif + u8 fpointer[2]; /* field pointer */ +}; + +#define SCSI_SENSE_CUR_ERR 0x70 +#define SCSI_SENSE_DEF_ERR 0x71 + +/* + * SCSI sense key values + */ +#define SCSI_SK_NO_SENSE 0x0 +#define SCSI_SK_REC_ERR 0x1 /* recovered error */ +#define SCSI_SK_NOT_READY 0x2 +#define SCSI_SK_MED_ERR 0x3 /* medium error */ +#define SCSI_SK_HW_ERR 0x4 /* hardware error */ +#define SCSI_SK_ILLEGAL_REQ 0x5 +#define SCSI_SK_UNIT_ATT 0x6 /* unit attention */ +#define SCSI_SK_DATA_PROTECT 0x7 +#define SCSI_SK_BLANK_CHECK 0x8 +#define SCSI_SK_VENDOR_SPEC 0x9 +#define SCSI_SK_COPY_ABORTED 0xA +#define SCSI_SK_ABORTED_CMND 0xB +#define SCSI_SK_VOL_OVERFLOW 0xD +#define SCSI_SK_MISCOMPARE 0xE + +/* + * SCSI additional sense codes + */ +#define SCSI_ASC_NO_ADD_SENSE 0x00 +#define SCSI_ASC_LUN_NOT_READY 0x04 +#define SCSI_ASC_LUN_COMMUNICATION 0x08 +#define SCSI_ASC_WRITE_ERROR 0x0C +#define SCSI_ASC_INVALID_CMND_CODE 0x20 +#define SCSI_ASC_BAD_LBA 0x21 +#define SCSI_ASC_INVALID_FIELD_IN_CDB 0x24 +#define SCSI_ASC_LUN_NOT_SUPPORTED 0x25 +#define SCSI_ASC_LUN_WRITE_PROTECT 0x27 +#define SCSI_ASC_POWERON_BDR 0x29 /* power on reset, bus reset, + * bus device reset + */ +#define SCSI_ASC_PARAMS_CHANGED 0x2A +#define SCSI_ASC_CMND_CLEARED_BY_A_I 0x2F +#define SCSI_ASC_SAVING_PARAM_NOTSUPP 0x39 +#define SCSI_ASC_TOCC 0x3F /* target operating condtions + * changed + */ +#define SCSI_ASC_PARITY_ERROR 0x47 +#define SCSI_ASC_CMND_PHASE_ERROR 0x4A +#define SCSI_ASC_DATA_PHASE_ERROR 0x4B +#define SCSI_ASC_VENDOR_SPEC 0x7F + +/* + * SCSI additional sense code qualifiers + */ +#define SCSI_ASCQ_CAUSE_NOT_REPORT 0x00 +#define SCSI_ASCQ_BECOMING_READY 0x01 +#define SCSI_ASCQ_INIT_CMD_REQ 0x02 +#define SCSI_ASCQ_FORMAT_IN_PROGRESS 0x04 +#define SCSI_ASCQ_OPERATION_IN_PROGRESS 0x07 +#define SCSI_ASCQ_SELF_TEST_IN_PROGRESS 0x09 +#define SCSI_ASCQ_WR_UNEXP_UNSOL_DATA 0x0C +#define SCSI_ASCQ_WR_NOTENG_UNSOL_DATA 0x0D + +#define SCSI_ASCQ_LBA_OUT_OF_RANGE 0x00 +#define SCSI_ASCQ_INVALID_ELEMENT_ADDR 0x01 + +#define SCSI_ASCQ_LUN_WRITE_PROTECTED 0x00 +#define SCSI_ASCQ_LUN_HW_WRITE_PROTECTED 0x01 +#define SCSI_ASCQ_LUN_SW_WRITE_PROTECTED 0x02 + +#define SCSI_ASCQ_POR 0x01 /* power on reset */ +#define SCSI_ASCQ_SBR 0x02 /* scsi bus reset */ +#define SCSI_ASCQ_BDR 0x03 /* bus device reset */ +#define SCSI_ASCQ_DIR 0x04 /* device internal reset */ + +#define SCSI_ASCQ_MODE_PARAMS_CHANGED 0x01 +#define SCSI_ASCQ_LOG_PARAMS_CHANGED 0x02 +#define SCSI_ASCQ_RESERVATIONS_PREEMPTED 0x03 +#define SCSI_ASCQ_RESERVATIONS_RELEASED 0x04 +#define SCSI_ASCQ_REGISTRATIONS_PREEMPTED 0x05 + +#define SCSI_ASCQ_MICROCODE_CHANGED 0x01 +#define SCSI_ASCQ_CHANGED_OPER_COND 0x02 +#define SCSI_ASCQ_INQ_CHANGED 0x03 /* inquiry data changed */ +#define SCSI_ASCQ_DI_CHANGED 0x05 /* device id changed */ +#define SCSI_ASCQ_RL_DATA_CHANGED 0x0E /* report luns data changed */ + +#define SCSI_ASCQ_DP_CRC_ERR 0x01 /* data phase crc error */ +#define SCSI_ASCQ_DP_SCSI_PARITY_ERR 0x02 /* data phase scsi parity error + */ +#define SCSI_ASCQ_IU_CRC_ERR 0x03 /* information unit crc error */ +#define SCSI_ASCQ_PROTO_SERV_CRC_ERR 0x05 + +#define SCSI_ASCQ_LUN_TIME_OUT 0x01 + +/* ------------------------------------------------------------ + * SCSI INQUIRY + * ------------------------------------------------------------*/ + +struct scsi_inquiry_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 lun:3; + u8 reserved1:3; + u8 cmd_dt:1; + u8 evpd:1; +#else + u8 evpd:1; + u8 cmd_dt:1; + u8 reserved1:3; + u8 lun:3; +#endif + u8 page_code; + u8 reserved2; + u8 alloc_length; + u8 control; +}; + +struct scsi_inquiry_vendor_s{ + u8 vendor_id[8]; +}; + +struct scsi_inquiry_prodid_s{ + u8 product_id[16]; +}; + +struct scsi_inquiry_prodrev_s{ + u8 product_rev[4]; +}; + +struct scsi_inquiry_data_s{ +#ifdef __BIGENDIAN + u8 peripheral_qual:3; /* peripheral qualifier */ + u8 device_type:5; /* peripheral device type */ + + u8 rmb:1; /* removable medium bit */ + u8 device_type_mod:7; /* device type modifier */ + + u8 version; + + u8 aenc:1; /* async event notification capability + */ + u8 trm_iop:1; /* terminate I/O process */ + u8 norm_aca:1; /* normal ACA supported */ + u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */ + u8 rsp_data_format:4; + + u8 additional_len; + u8 sccs:1; + u8 reserved1:7; + + u8 reserved2:1; + u8 enc_serv:1; /* enclosure service component */ + u8 reserved3:1; + u8 multi_port:1; /* multi-port device */ + u8 m_chngr:1; /* device in medium transport element */ + u8 ack_req_q:1; /* SIP specific bit */ + u8 addr32:1; /* SIP specific bit */ + u8 addr16:1; /* SIP specific bit */ + + u8 rel_adr:1; /* relative address */ + u8 w_bus32:1; + u8 w_bus16:1; + u8 synchronous:1; + u8 linked_commands:1; + u8 trans_dis:1; + u8 cmd_queue:1; /* command queueing supported */ + u8 soft_reset:1; /* soft reset alternative (VS) */ +#else + u8 device_type:5; /* peripheral device type */ + u8 peripheral_qual:3; + /* peripheral qualifier */ + + u8 device_type_mod:7; + /* device type modifier */ + u8 rmb:1; /* removable medium bit */ + + u8 version; + + u8 rsp_data_format:4; + u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */ + u8 norm_aca:1; /* normal ACA supported */ + u8 terminate_iop:1;/* terminate I/O process */ + u8 aenc:1; /* async event notification capability + */ + + u8 additional_len; + u8 reserved1:7; + u8 sccs:1; + + u8 addr16:1; /* SIP specific bit */ + u8 addr32:1; /* SIP specific bit */ + u8 ack_req_q:1; /* SIP specific bit */ + u8 m_chngr:1; /* device in medium transport element */ + u8 multi_port:1; /* multi-port device */ + u8 reserved3:1; /* TBD - Vendor Specific */ + u8 enc_serv:1; /* enclosure service component */ + u8 reserved2:1; + + u8 soft_seset:1; /* soft reset alternative (VS) */ + u8 cmd_queue:1; /* command queueing supported */ + u8 trans_dis:1; + u8 linked_commands:1; + u8 synchronous:1; + u8 w_bus16:1; + u8 w_bus32:1; + u8 rel_adr:1; /* relative address */ +#endif + struct scsi_inquiry_vendor_s vendor_id; + struct scsi_inquiry_prodid_s product_id; + struct scsi_inquiry_prodrev_s product_rev; + u8 vendor_specific[20]; + u8 reserved4[40]; +}; + +/* + * inquiry.peripheral_qual field values + */ +#define SCSI_DEVQUAL_DEFAULT 0 +#define SCSI_DEVQUAL_NOT_CONNECTED 1 +#define SCSI_DEVQUAL_NOT_SUPPORTED 3 + +/* + * inquiry.device_type field values + */ +#define SCSI_DEVICE_DIRECT_ACCESS 0x00 +#define SCSI_DEVICE_SEQ_ACCESS 0x01 +#define SCSI_DEVICE_ARRAY_CONTROLLER 0x0C +#define SCSI_DEVICE_UNKNOWN 0x1F + +/* + * inquiry.version + */ +#define SCSI_VERSION_ANSI_X3131 2 /* ANSI X3.131 SCSI-2 */ +#define SCSI_VERSION_SPC 3 /* SPC (SCSI-3), ANSI X3.301:1997 */ +#define SCSI_VERSION_SPC_2 4 /* SPC-2 */ + +/* + * response data format + */ +#define SCSI_RSP_DATA_FORMAT 2 /* SCSI-2 & SPC */ + +/* + * SCSI inquiry page codes + */ +#define SCSI_INQ_PAGE_VPD_PAGES 0x00 /* supported vpd pages */ +#define SCSI_INQ_PAGE_USN_PAGE 0x80 /* unit serial number page */ +#define SCSI_INQ_PAGE_DEV_IDENT 0x83 /* device indentification page + */ +#define SCSI_INQ_PAGES_MAX 3 + +/* + * supported vital product data pages + */ +struct scsi_inq_page_vpd_pages_s{ +#ifdef __BIGENDIAN + u8 peripheral_qual:3; + u8 device_type:5; +#else + u8 device_type:5; + u8 peripheral_qual:3; +#endif + u8 page_code; + u8 reserved; + u8 page_length; + u8 pages[SCSI_INQ_PAGES_MAX]; +}; + +/* + * Unit serial number page + */ +#define SCSI_INQ_USN_LEN 32 + +struct scsi_inq_usn_s{ + char usn[SCSI_INQ_USN_LEN]; +}; + +struct scsi_inq_page_usn_s{ +#ifdef __BIGENDIAN + u8 peripheral_qual:3; + u8 device_type:5; +#else + u8 device_type:5; + u8 peripheral_qual:3; +#endif + u8 page_code; + u8 reserved1; + u8 page_length; + struct scsi_inq_usn_s usn; +}; + +enum { + SCSI_INQ_DIP_CODE_BINARY = 1, /* identifier has binary value */ + SCSI_INQ_DIP_CODE_ASCII = 2, /* identifier has ascii value */ +}; + +enum { + SCSI_INQ_DIP_ASSOC_LUN = 0, /* id is associated with device */ + SCSI_INQ_DIP_ASSOC_PORT = 1, /* id is associated with port that + * received the request + */ +}; + +enum { + SCSI_INQ_ID_TYPE_VENDOR = 1, + SCSI_INQ_ID_TYPE_IEEE = 2, + SCSI_INQ_ID_TYPE_FC_FS = 3, + SCSI_INQ_ID_TYPE_OTHER = 4, +}; + +struct scsi_inq_dip_desc_s{ +#ifdef __BIGENDIAN + u8 res0:4; + u8 code_set:4; + u8 res1:2; + u8 association:2; + u8 id_type:4; +#else + u8 code_set:4; + u8 res0:4; + u8 id_type:4; + u8 association:2; + u8 res1:2; +#endif + u8 res2; + u8 id_len; + struct scsi_lun_sn_s id; +}; + +/* + * Device indentification page + */ +struct scsi_inq_page_dev_ident_s{ +#ifdef __BIGENDIAN + u8 peripheral_qual:3; + u8 device_type:5; +#else + u8 device_type:5; + u8 peripheral_qual:3; +#endif + u8 page_code; + u8 reserved1; + u8 page_length; + struct scsi_inq_dip_desc_s desc; +}; + +/* ------------------------------------------------------------ + * READ CAPACITY + * ------------------------------------------------------------ + */ + +struct scsi_read_capacity_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 lun:3; + u8 reserved1:4; + u8 rel_adr:1; +#else + u8 rel_adr:1; + u8 reserved1:4; + u8 lun:3; +#endif + u8 lba0; /* MSB */ + u8 lba1; + u8 lba2; + u8 lba3; /* LSB */ + u8 reserved2; + u8 reserved3; +#ifdef __BIGENDIAN + u8 reserved4:7; + u8 pmi:1; /* partial medium indicator */ +#else + u8 pmi:1; /* partial medium indicator */ + u8 reserved4:7; +#endif + u8 control; +}; + +struct scsi_read_capacity_data_s{ + u32 max_lba; /* maximum LBA available */ + u32 block_length; /* in bytes */ +}; + +struct scsi_read_capacity16_data_s{ + u64 lba; /* maximum LBA available */ + u32 block_length; /* in bytes */ +#ifdef __BIGENDIAN + u8 reserved1:4, + p_type:3, + prot_en:1; + u8 reserved2:4, + lb_pbe:4; /* logical blocks per physical block + * exponent */ + u16 reserved3:2, + lba_align:14; /* lowest aligned logical block + * address */ +#else + u16 lba_align:14, /* lowest aligned logical block + * address */ + reserved3:2; + u8 lb_pbe:4, /* logical blocks per physical block + * exponent */ + reserved2:4; + u8 prot_en:1, + p_type:3, + reserved1:4; +#endif + u64 reserved4; + u64 reserved5; +}; + +/* ------------------------------------------------------------ + * REPORT LUNS command + * ------------------------------------------------------------ + */ + +struct scsi_report_luns_s{ + u8 opcode; /* A0h - REPORT LUNS opCode */ + u8 reserved1[5]; + u8 alloc_length[4];/* allocation length MSB first */ + u8 reserved2; + u8 control; +}; + +#define SCSI_REPORT_LUN_ALLOC_LENGTH(rl) \ + ((rl->alloc_length[0] << 24) | (rl->alloc_length[1] << 16) | \ + (rl->alloc_length[2] << 8) | (rl->alloc_length[3])) + +#define SCSI_REPORT_LUNS_SET_ALLOCLEN(rl, alloc_len) { \ + (rl)->alloc_length[0] = (alloc_len) >> 24; \ + (rl)->alloc_length[1] = ((alloc_len) >> 16) & 0xFF; \ + (rl)->alloc_length[2] = ((alloc_len) >> 8) & 0xFF; \ + (rl)->alloc_length[3] = (alloc_len) & 0xFF; \ +} + +struct scsi_report_luns_data_s{ + u32 lun_list_length; /* length of LUN list length */ + u32 reserved; + lun_t lun[1]; /* first LUN in lun list */ +}; + +/* ------------------------------------------------------------- + * SCSI mode parameters + * ----------------------------------------------------------- + */ +enum { + SCSI_DA_MEDIUM_DEF = 0, /* direct access default medium type */ + SCSI_DA_MEDIUM_SS = 1, /* direct access single sided */ + SCSI_DA_MEDIUM_DS = 2, /* direct access double sided */ +}; + +/* + * SCSI Mode Select(6) cdb + */ +struct scsi_mode_select6_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:3; + u8 pf:1; /* page format */ + u8 reserved2:3; + u8 sp:1; /* save pages if set to 1 */ +#else + u8 sp:1; /* save pages if set to 1 */ + u8 reserved2:3; + u8 pf:1; /* page format */ + u8 reserved1:3; +#endif + u8 reserved3[2]; + u8 alloc_len; + u8 control; +}; + +/* + * SCSI Mode Select(10) cdb + */ +struct scsi_mode_select10_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:3; + u8 pf:1; /* page format */ + u8 reserved2:3; + u8 sp:1; /* save pages if set to 1 */ +#else + u8 sp:1; /* save pages if set to 1 */ + u8 reserved2:3; + u8 pf:1; /* page format */ + u8 reserved1:3; +#endif + u8 reserved3[5]; + u8 alloc_len_msb; + u8 alloc_len_lsb; + u8 control; +}; + +/* + * SCSI Mode Sense(6) cdb + */ +struct scsi_mode_sense6_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:4; + u8 dbd:1; /* disable block discriptors if set to 1 */ + u8 reserved2:3; + + u8 pc:2; /* page control */ + u8 page_code:6; +#else + u8 reserved2:3; + u8 dbd:1; /* disable block descriptors if set to 1 */ + u8 reserved1:4; + + u8 page_code:6; + u8 pc:2; /* page control */ +#endif + u8 reserved3; + u8 alloc_len; + u8 control; +}; + +/* + * SCSI Mode Sense(10) cdb + */ +struct scsi_mode_sense10_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:3; + u8 LLBAA:1; /* long LBA accepted if set to 1 */ + u8 dbd:1; /* disable block descriptors if set + * to 1 + */ + u8 reserved2:3; + + u8 pc:2; /* page control */ + u8 page_code:6; +#else + u8 reserved2:3; + u8 dbd:1; /* disable block descriptors if set to + * 1 + */ + u8 LLBAA:1; /* long LBA accepted if set to 1 */ + u8 reserved1:3; + + u8 page_code:6; + u8 pc:2; /* page control */ +#endif + u8 reserved3[4]; + u8 alloc_len_msb; + u8 alloc_len_lsb; + u8 control; +}; + +#define SCSI_CDB10_GET_AL(cdb) \ + ((cdb)->alloc_len_msb << 8 | (cdb)->alloc_len_lsb) + +#define SCSI_CDB10_SET_AL(cdb, al) { \ + (cdb)->alloc_len_msb = al >> 8; \ + (cdb)->alloc_len_lsb = al & 0xFF; \ +} + +#define SCSI_CDB6_GET_AL(cdb) ((cdb)->alloc_len) + +#define SCSI_CDB6_SET_AL(cdb, al) { \ + (cdb)->alloc_len = al; \ +} + +/* + * page control field values + */ +#define SCSI_PC_CURRENT_VALUES 0x0 +#define SCSI_PC_CHANGEABLE_VALUES 0x1 +#define SCSI_PC_DEFAULT_VALUES 0x2 +#define SCSI_PC_SAVED_VALUES 0x3 + +/* + * SCSI mode page codes + */ +#define SCSI_MP_VENDOR_SPEC 0x00 +#define SCSI_MP_DISC_RECN 0x02 /* disconnect-reconnect page */ +#define SCSI_MP_FORMAT_DEVICE 0x03 +#define SCSI_MP_RDG 0x04 /* rigid disk geometry page */ +#define SCSI_MP_FDP 0x05 /* flexible disk page */ +#define SCSI_MP_CACHING 0x08 /* caching page */ +#define SCSI_MP_CONTROL 0x0A /* control mode page */ +#define SCSI_MP_MED_TYPES_SUP 0x0B /* medium types supported page */ +#define SCSI_MP_INFO_EXCP_CNTL 0x1C /* informational exception control */ +#define SCSI_MP_ALL 0x3F /* return all pages - mode sense only */ + +/* + * mode parameter header + */ +struct scsi_mode_param_header6_s{ + u8 mode_datalen; + u8 medium_type; + + /* + * device specific parameters expanded for direct access devices + */ +#ifdef __BIGENDIAN + u32 wp:1; /* write protected */ + u32 reserved1:2; + u32 dpofua:1; /* disable page out + force unit access + */ + u32 reserved2:4; +#else + u32 reserved2:4; + u32 dpofua:1; /* disable page out + force unit access + */ + u32 reserved1:2; + u32 wp:1; /* write protected */ +#endif + + u8 block_desclen; +}; + +struct scsi_mode_param_header10_s{ + u32 mode_datalen:16; + u32 medium_type:8; + + /* + * device specific parameters expanded for direct access devices + */ +#ifdef __BIGENDIAN + u32 wp:1; /* write protected */ + u32 reserved1:2; + u32 dpofua:1; /* disable page out + force unit access + */ + u32 reserved2:4; +#else + u32 reserved2:4; + u32 dpofua:1; /* disable page out + force unit access + */ + u32 reserved1:2; + u32 wp:1; /* write protected */ +#endif + +#ifdef __BIGENDIAN + u32 reserved3:7; + u32 longlba:1; +#else + u32 longlba:1; + u32 reserved3:7; +#endif + u32 reserved4:8; + u32 block_desclen:16; +}; + +/* + * mode parameter block descriptor + */ +struct scsi_mode_param_desc_s{ + u32 nblks; + u32 density_code:8; + u32 block_length:24; +}; + +/* + * Disconnect-reconnect mode page format + */ +struct scsi_mp_disc_recn_s{ +#ifdef __BIGENDIAN + u8 ps:1; + u8 reserved1:1; + u8 page_code:6; +#else + u8 page_code:6; + u8 reserved1:1; + u8 ps:1; +#endif + u8 page_len; + u8 buf_full_ratio; + u8 buf_empty_ratio; + + u8 bil_msb; /* bus inactivity limit -MSB */ + u8 bil_lsb; /* bus inactivity limit -LSB */ + + u8 dtl_msb; /* disconnect time limit - MSB */ + u8 dtl_lsb; /* disconnect time limit - LSB */ + + u8 ctl_msb; /* connect time limit - MSB */ + u8 ctl_lsb; /* connect time limit - LSB */ + + u8 max_burst_len_msb; + u8 max_burst_len_lsb; +#ifdef __BIGENDIAN + u8 emdp:1; /* enable modify data pointers */ + u8 fa:3; /* fair arbitration */ + u8 dimm:1; /* disconnect immediate */ + u8 dtdc:3; /* data transfer disconnect control */ +#else + u8 dtdc:3; /* data transfer disconnect control */ + u8 dimm:1; /* disconnect immediate */ + u8 fa:3; /* fair arbitration */ + u8 emdp:1; /* enable modify data pointers */ +#endif + + u8 reserved3; + + u8 first_burst_len_msb; + u8 first_burst_len_lsb; +}; + +/* + * SCSI format device mode page + */ +struct scsi_mp_format_device_s{ +#ifdef __BIGENDIAN + u32 ps:1; + u32 reserved1:1; + u32 page_code:6; +#else + u32 page_code:6; + u32 reserved1:1; + u32 ps:1; +#endif + u32 page_len:8; + u32 tracks_per_zone:16; + + u32 a_sec_per_zone:16; + u32 a_tracks_per_zone:16; + + u32 a_tracks_per_lun:16; /* alternate tracks/lun-MSB */ + u32 sec_per_track:16; /* sectors/track-MSB */ + + u32 bytes_per_sector:16; + u32 interleave:16; + + u32 tsf:16; /* track skew factor-MSB */ + u32 csf:16; /* cylinder skew factor-MSB */ + +#ifdef __BIGENDIAN + u32 ssec:1; /* soft sector formatting */ + u32 hsec:1; /* hard sector formatting */ + u32 rmb:1; /* removable media */ + u32 surf:1; /* surface */ + u32 reserved2:4; +#else + u32 reserved2:4; + u32 surf:1; /* surface */ + u32 rmb:1; /* removable media */ + u32 hsec:1; /* hard sector formatting */ + u32 ssec:1; /* soft sector formatting */ +#endif + u32 reserved3:24; +}; + +/* + * SCSI rigid disk device geometry page + */ +struct scsi_mp_rigid_device_geometry_s{ +#ifdef __BIGENDIAN + u32 ps:1; + u32 reserved1:1; + u32 page_code:6; +#else + u32 page_code:6; + u32 reserved1:1; + u32 ps:1; +#endif + u32 page_len:8; + u32 num_cylinders0:8; + u32 num_cylinders1:8; + + u32 num_cylinders2:8; + u32 num_heads:8; + u32 scwp0:8; + u32 scwp1:8; + + u32 scwp2:8; + u32 scrwc0:8; + u32 scrwc1:8; + u32 scrwc2:8; + + u32 dsr:16; + u32 lscyl0:8; + u32 lscyl1:8; + + u32 lscyl2:8; +#ifdef __BIGENDIAN + u32 reserved2:6; + u32 rpl:2; /* rotational position locking */ +#else + u32 rpl:2; /* rotational position locking */ + u32 reserved2:6; +#endif + u32 rot_off:8; + u32 reserved3:8; + + u32 med_rot_rate:16; + u32 reserved4:16; +}; + +/* + * SCSI caching mode page + */ +struct scsi_mp_caching_s{ +#ifdef __BIGENDIAN + u8 ps:1; + u8 res1:1; + u8 page_code:6; +#else + u8 page_code:6; + u8 res1:1; + u8 ps:1; +#endif + u8 page_len; +#ifdef __BIGENDIAN + u8 ic:1; /* initiator control */ + u8 abpf:1; /* abort pre-fetch */ + u8 cap:1; /* caching analysis permitted */ + u8 disc:1; /* discontinuity */ + u8 size:1; /* size enable */ + u8 wce:1; /* write cache enable */ + u8 mf:1; /* multiplication factor */ + u8 rcd:1; /* read cache disable */ + + u8 drrp:4; /* demand read retention priority */ + u8 wrp:4; /* write retention priority */ +#else + u8 rcd:1; /* read cache disable */ + u8 mf:1; /* multiplication factor */ + u8 wce:1; /* write cache enable */ + u8 size:1; /* size enable */ + u8 disc:1; /* discontinuity */ + u8 cap:1; /* caching analysis permitted */ + u8 abpf:1; /* abort pre-fetch */ + u8 ic:1; /* initiator control */ + + u8 wrp:4; /* write retention priority */ + u8 drrp:4; /* demand read retention priority */ +#endif + u8 dptl[2];/* disable pre-fetch transfer length */ + u8 min_prefetch[2]; + u8 max_prefetch[2]; + u8 max_prefetch_limit[2]; +#ifdef __BIGENDIAN + u8 fsw:1; /* force sequential write */ + u8 lbcss:1;/* logical block cache segment size */ + u8 dra:1; /* disable read ahead */ + u8 vs:2; /* vendor specific */ + u8 res2:3; +#else + u8 res2:3; + u8 vs:2; /* vendor specific */ + u8 dra:1; /* disable read ahead */ + u8 lbcss:1;/* logical block cache segment size */ + u8 fsw:1; /* force sequential write */ +#endif + u8 num_cache_segs; + + u8 cache_seg_size[2]; + u8 res3; + u8 non_cache_seg_size[3]; +}; + +/* + * SCSI control mode page + */ +struct scsi_mp_control_page_s{ +#ifdef __BIGENDIAN +u8 ps:1; +u8 reserved1:1; +u8 page_code:6; +#else +u8 page_code:6; +u8 reserved1:1; +u8 ps:1; +#endif + u8 page_len; +#ifdef __BIGENDIAN + u8 tst:3; /* task set type */ + u8 reserved3:3; + u8 gltsd:1; /* global logging target save disable */ + u8 rlec:1; /* report log exception condition */ + + u8 qalgo_mod:4; /* queue alogorithm modifier */ + u8 reserved4:1; + u8 qerr:2; /* queue error management */ + u8 dque:1; /* disable queuing */ + + u8 reserved5:1; + u8 rac:1; /* report a check */ + u8 reserved6:2; + u8 swp:1; /* software write protect */ + u8 raerp:1; /* ready AER permission */ + u8 uaaerp:1; /* unit attenstion AER permission */ + u8 eaerp:1; /* error AER permission */ + + u8 reserved7:5; + u8 autoload_mod:3; +#else + u8 rlec:1; /* report log exception condition */ + u8 gltsd:1; /* global logging target save disable */ + u8 reserved3:3; + u8 tst:3; /* task set type */ + + u8 dque:1; /* disable queuing */ + u8 qerr:2; /* queue error management */ + u8 reserved4:1; + u8 qalgo_mod:4; /* queue alogorithm modifier */ + + u8 eaerp:1; /* error AER permission */ + u8 uaaerp:1; /* unit attenstion AER permission */ + u8 raerp:1; /* ready AER permission */ + u8 swp:1; /* software write protect */ + u8 reserved6:2; + u8 rac:1; /* report a check */ + u8 reserved5:1; + + u8 autoload_mod:3; + u8 reserved7:5; +#endif + u8 rahp_msb; /* ready AER holdoff period - MSB */ + u8 rahp_lsb; /* ready AER holdoff period - LSB */ + + u8 busy_timeout_period_msb; + u8 busy_timeout_period_lsb; + + u8 ext_selftest_compl_time_msb; + u8 ext_selftest_compl_time_lsb; +}; + +/* + * SCSI medium types supported mode page + */ +struct scsi_mp_medium_types_sup_s{ +#ifdef __BIGENDIAN + u8 ps:1; + u8 reserved1:1; + u8 page_code:6; +#else + u8 page_code:6; + u8 reserved1:1; + u8 ps:1; +#endif + u8 page_len; + + u8 reserved3[2]; + u8 med_type1_sup; /* medium type one supported */ + u8 med_type2_sup; /* medium type two supported */ + u8 med_type3_sup; /* medium type three supported */ + u8 med_type4_sup; /* medium type four supported */ +}; + +/* + * SCSI informational exception control mode page + */ +struct scsi_mp_info_excpt_cntl_s{ +#ifdef __BIGENDIAN + u8 ps:1; + u8 reserved1:1; + u8 page_code:6; +#else + u8 page_code:6; + u8 reserved1:1; + u8 ps:1; +#endif + u8 page_len; +#ifdef __BIGENDIAN + u8 perf:1; /* performance */ + u8 reserved3:1; + u8 ebf:1; /* enable background fucntion */ + u8 ewasc:1; /* enable warning */ + u8 dexcpt:1; /* disable exception control */ + u8 test:1; /* enable test device failure + * notification + */ + u8 reserved4:1; + u8 log_error:1; + + u8 reserved5:4; + u8 mrie:4; /* method of reporting info + * exceptions + */ +#else + u8 log_error:1; + u8 reserved4:1; + u8 test:1; /* enable test device failure + * notification + */ + u8 dexcpt:1; /* disable exception control */ + u8 ewasc:1; /* enable warning */ + u8 ebf:1; /* enable background fucntion */ + u8 reserved3:1; + u8 perf:1; /* performance */ + + u8 mrie:4; /* method of reporting info + * exceptions + */ + u8 reserved5:4; +#endif + u8 interval_timer_msb; + u8 interval_timer_lsb; + + u8 report_count_msb; + u8 report_count_lsb; +}; + +/* + * Methods of reporting informational exceptions + */ +#define SCSI_MP_IEC_NO_REPORT 0x0 /* no reporting of exceptions */ +#define SCSI_MP_IEC_AER 0x1 /* async event reporting */ +#define SCSI_MP_IEC_UNIT_ATTN 0x2 /* generate unit attenstion */ +#define SCSI_MO_IEC_COND_REC_ERR 0x3 /* conditionally generate recovered + * error + */ +#define SCSI_MP_IEC_UNCOND_REC_ERR 0x4 /* unconditionally generate recovered + * error + */ +#define SCSI_MP_IEC_NO_SENSE 0x5 /* generate no sense */ +#define SCSI_MP_IEC_ON_REQUEST 0x6 /* only report exceptions on request */ + +/* + * SCSI flexible disk page + */ +struct scsi_mp_flexible_disk_s{ +#ifdef __BIGENDIAN + u8 ps:1; + u8 reserved1:1; + u8 page_code:6; +#else + u8 page_code:6; + u8 reserved1:1; + u8 ps:1; +#endif + u8 page_len; + + u8 transfer_rate_msb; + u8 transfer_rate_lsb; + + u8 num_heads; + u8 num_sectors; + + u8 bytes_per_sector_msb; + u8 bytes_per_sector_lsb; + + u8 num_cylinders_msb; + u8 num_cylinders_lsb; + + u8 sc_wpc_msb; /* starting cylinder-write + * precompensation msb + */ + u8 sc_wpc_lsb; /* starting cylinder-write + * precompensation lsb + */ + u8 sc_rwc_msb; /* starting cylinder-reduced write + * current msb + */ + u8 sc_rwc_lsb; /* starting cylinder-reduced write + * current lsb + */ + + u8 dev_step_rate_msb; + u8 dev_step_rate_lsb; + + u8 dev_step_pulse_width; + + u8 head_sd_msb; /* head settle delay msb */ + u8 head_sd_lsb; /* head settle delay lsb */ + + u8 motor_on_delay; + u8 motor_off_delay; +#ifdef __BIGENDIAN + u8 trdy:1; /* true ready bit */ + u8 ssn:1; /* start sector number bit */ + u8 mo:1; /* motor on bit */ + u8 reserved3:5; + + u8 reserved4:4; + u8 spc:4; /* step pulse per cylinder */ +#else + u8 reserved3:5; + u8 mo:1; /* motor on bit */ + u8 ssn:1; /* start sector number bit */ + u8 trdy:1; /* true ready bit */ + + u8 spc:4; /* step pulse per cylinder */ + u8 reserved4:4; +#endif + u8 write_comp; + u8 head_load_delay; + u8 head_unload_delay; +#ifdef __BIGENDIAN + u8 pin34:4; /* pin34 usage */ + u8 pin2:4; /* pin2 usage */ + + u8 pin4:4; /* pin4 usage */ + u8 pin1:4; /* pin1 usage */ +#else + u8 pin2:4; /* pin2 usage */ + u8 pin34:4; /* pin34 usage */ + + u8 pin1:4; /* pin1 usage */ + u8 pin4:4; /* pin4 usage */ +#endif + u8 med_rot_rate_msb; + u8 med_rot_rate_lsb; + + u8 reserved5[2]; +}; + +struct scsi_mode_page_format_data6_s{ + struct scsi_mode_param_header6_s mph; /* mode page header */ + struct scsi_mode_param_desc_s desc; /* block descriptor */ + struct scsi_mp_format_device_s format; /* format device data */ +}; + +struct scsi_mode_page_format_data10_s{ + struct scsi_mode_param_header10_s mph; /* mode page header */ + struct scsi_mode_param_desc_s desc; /* block descriptor */ + struct scsi_mp_format_device_s format; /* format device data */ +}; + +struct scsi_mode_page_rdg_data6_s{ + struct scsi_mode_param_header6_s mph; /* mode page header */ + struct scsi_mode_param_desc_s desc; /* block descriptor */ + struct scsi_mp_rigid_device_geometry_s rdg; + /* rigid geometry data */ +}; + +struct scsi_mode_page_rdg_data10_s{ + struct scsi_mode_param_header10_s mph; /* mode page header */ + struct scsi_mode_param_desc_s desc; /* block descriptor */ + struct scsi_mp_rigid_device_geometry_s rdg; + /* rigid geometry data */ +}; + +struct scsi_mode_page_cache6_s{ + struct scsi_mode_param_header6_s mph; /* mode page header */ + struct scsi_mode_param_desc_s desc; /* block descriptor */ + struct scsi_mp_caching_s cache; /* cache page data */ +}; + +struct scsi_mode_page_cache10_s{ + struct scsi_mode_param_header10_s mph; /* mode page header */ + struct scsi_mode_param_desc_s desc; /* block descriptor */ + struct scsi_mp_caching_s cache; /* cache page data */ +}; + +/* -------------------------------------------------------------- + * Format Unit command + * ------------------------------------------------------------ + */ + +/* + * Format Unit CDB + */ +struct scsi_format_unit_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 res1:3; + u8 fmtdata:1; /* if set, data out phase has format + * data + */ + u8 cmplst:1; /* if set, defect list is complete */ + u8 def_list:3; /* format of defect descriptor is + * fmtdata =1 + */ +#else + u8 def_list:3; /* format of defect descriptor is + * fmtdata = 1 + */ + u8 cmplst:1; /* if set, defect list is complete */ + u8 fmtdata:1; /* if set, data out phase has format + * data + */ + u8 res1:3; +#endif + u8 interleave_msb; + u8 interleave_lsb; + u8 vendor_spec; + u8 control; +}; + +/* + * h + */ +struct scsi_reserve6_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved:3; + u8 obsolete:4; + u8 extent:1; +#else + u8 extent:1; + u8 obsolete:4; + u8 reserved:3; +#endif + u8 reservation_id; + u16 param_list_len; + u8 control; +}; + +/* + * h + */ +struct scsi_release6_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:3; + u8 obsolete:4; + u8 extent:1; +#else + u8 extent:1; + u8 obsolete:4; + u8 reserved1:3; +#endif + u8 reservation_id; + u16 reserved2; + u8 control; +}; + +/* + * h + */ +struct scsi_reserve10_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:3; + u8 third_party:1; + u8 reserved2:2; + u8 long_id:1; + u8 extent:1; +#else + u8 extent:1; + u8 long_id:1; + u8 reserved2:2; + u8 third_party:1; + u8 reserved1:3; +#endif + u8 reservation_id; + u8 third_pty_dev_id; + u8 reserved3; + u8 reserved4; + u8 reserved5; + u16 param_list_len; + u8 control; +}; + +struct scsi_release10_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:3; + u8 third_party:1; + u8 reserved2:2; + u8 long_id:1; + u8 extent:1; +#else + u8 extent:1; + u8 long_id:1; + u8 reserved2:2; + u8 third_party:1; + u8 reserved1:3; +#endif + u8 reservation_id; + u8 third_pty_dev_id; + u8 reserved3; + u8 reserved4; + u8 reserved5; + u16 param_list_len; + u8 control; +}; + +struct scsi_verify10_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 lun:3; + u8 dpo:1; + u8 reserved:2; + u8 bytchk:1; + u8 reladdr:1; +#else + u8 reladdr:1; + u8 bytchk:1; + u8 reserved:2; + u8 dpo:1; + u8 lun:3; +#endif + u8 lba0; + u8 lba1; + u8 lba2; + u8 lba3; + u8 reserved1; + u8 verification_len0; + u8 verification_len1; + u8 control_byte; +}; + +struct scsi_request_sense_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 lun:3; + u8 reserved:5; +#else + u8 reserved:5; + u8 lun:3; +#endif + u8 reserved0; + u8 reserved1; + u8 alloc_len; + u8 control_byte; +}; + +/* ------------------------------------------------------------ + * SCSI status byte values + * ------------------------------------------------------------ + */ +#define SCSI_STATUS_GOOD 0x00 +#define SCSI_STATUS_CHECK_CONDITION 0x02 +#define SCSI_STATUS_CONDITION_MET 0x04 +#define SCSI_STATUS_BUSY 0x08 +#define SCSI_STATUS_INTERMEDIATE 0x10 +#define SCSI_STATUS_ICM 0x14 /* intermediate condition met */ +#define SCSI_STATUS_RESERVATION_CONFLICT 0x18 +#define SCSI_STATUS_COMMAND_TERMINATED 0x22 +#define SCSI_STATUS_QUEUE_FULL 0x28 +#define SCSI_STATUS_ACA_ACTIVE 0x30 + +#define SCSI_MAX_ALLOC_LEN 0xFF /* maximum allocarion length + * in CDBs + */ + +#define SCSI_OP_WRITE_VERIFY10 0x2E +#define SCSI_OP_WRITE_VERIFY12 0xAE +#define SCSI_OP_UNDEF 0xFF + +/* + * SCSI WRITE-VERIFY(10) command + */ +struct scsi_write_verify10_s{ + u8 opcode; +#ifdef __BIGENDIAN + u8 reserved1:3; + u8 dpo:1; /* Disable Page Out */ + u8 reserved2:1; + u8 ebp:1; /* erse by-pass */ + u8 bytchk:1; /* byte check */ + u8 rel_adr:1; /* relative address */ +#else + u8 rel_adr:1; /* relative address */ + u8 bytchk:1; /* byte check */ + u8 ebp:1; /* erse by-pass */ + u8 reserved2:1; + u8 dpo:1; /* Disable Page Out */ + u8 reserved1:3; +#endif + u8 lba0; /* logical block address - MSB */ + u8 lba1; + u8 lba2; + u8 lba3; /* LSB */ + u8 reserved3; + u8 xfer_length0; /* transfer length in blocks - MSB */ + u8 xfer_length1; /* LSB */ + u8 control; +}; + +#pragma pack() + +#endif /* __SCSI_H__ */ diff --git a/drivers/scsi/bfa/include/protocol/types.h b/drivers/scsi/bfa/include/protocol/types.h new file mode 100644 index 000000000000..2875a6cced3b --- /dev/null +++ b/drivers/scsi/bfa/include/protocol/types.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * types.h Protocol defined base types + */ + +#ifndef __TYPES_H__ +#define __TYPES_H__ + +#include <bfa_os_inc.h> + +#define wwn_t u64 +#define lun_t u64 + +#define WWN_NULL (0) +#define FC_SYMNAME_MAX 256 /* max name server symbolic name size */ +#define FC_ALPA_MAX 128 + +#pragma pack(1) + +#define MAC_ADDRLEN (6) +struct mac_s { u8 mac[MAC_ADDRLEN]; }; +#define mac_t struct mac_s + +#pragma pack() + +#endif diff --git a/drivers/scsi/bfa/loop.c b/drivers/scsi/bfa/loop.c new file mode 100644 index 000000000000..a418dedebe9e --- /dev/null +++ b/drivers/scsi/bfa/loop.c @@ -0,0 +1,422 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * port_loop.c vport private loop implementation. + */ +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, LOOP); + +/** + * ALPA to LIXA bitmap mapping + * + * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31 + * is for L_bit (login required) and is filled as ALPA 0x00 here. + */ +static const u8 port_loop_alpa_map[] = { + 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, /* Word 3 Bits 0..7 */ + 0xD9, 0xD6, 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, /* Word 3 Bits 8..15 */ + 0xCD, 0xCC, 0xCB, 0xCA, 0xC9, 0xC7, 0xC6, 0xC5, /* Word 3 Bits 16..23 */ + 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, 0xB4, 0xB3, /* Word 3 Bits 24..31 */ + + 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, /* Word 2 Bits 0..7 */ + 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, /* Word 2 Bits 8..15 */ + 0x98, 0x97, 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, /* Word 2 Bits 16..23 */ + 0x80, 0x7C, 0x7A, 0x79, 0x76, 0x75, 0x74, 0x73, /* Word 2 Bits 24..31 */ + + 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, 0x6A, 0x69, /* Word 1 Bits 0..7 */ + 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, /* Word 1 Bits 8..15 */ + 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, /* Word 1 Bits 16..23 */ + 0x4B, 0x4A, 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, /* Word 1 Bits 24..31 */ + + 0x3A, 0x39, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, /* Word 0 Bits 0..7 */ + 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, 0x27, 0x26, /* Word 0 Bits 8..15 */ + 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, /* Word 0 Bits 16..23 */ + 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01, 0x00, 0x00, /* Word 0 Bits 24..31 */ +}; + +/* + * Local Functions + */ +bfa_status_t bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_plogi_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +bfa_status_t bfa_fcs_port_loop_send_adisc(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_adisc_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +bfa_status_t bfa_fcs_port_loop_send_plogi_acc(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_plogi_acc_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +bfa_status_t bfa_fcs_port_loop_send_adisc_acc(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_adisc_acc_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +/** + * Called by port to initializar in provate LOOP topology. + */ +void +bfa_fcs_port_loop_init(struct bfa_fcs_port_s *port) +{ +} + +/** + * Called by port to notify transition to online state. + */ +void +bfa_fcs_port_loop_online(struct bfa_fcs_port_s *port) +{ + + u8 num_alpa = port->port_topo.ploop.num_alpa; + u8 *alpa_pos_map = port->port_topo.ploop.alpa_pos_map; + struct bfa_fcs_rport_s *r_port; + int ii = 0; + + /* + * If the port role is Initiator Mode, create Rports. + */ + if (port->port_cfg.roles == BFA_PORT_ROLE_FCP_IM) { + /* + * Check if the ALPA positional bitmap is available. + * if not, we send PLOGI to all possible ALPAs. + */ + if (num_alpa > 0) { + for (ii = 0; ii < num_alpa; ii++) { + /* + * ignore ALPA of bfa port + */ + if (alpa_pos_map[ii] != port->pid) { + r_port = bfa_fcs_rport_create(port, + alpa_pos_map[ii]); + } + } + } else { + for (ii = 0; ii < MAX_ALPA_COUNT; ii++) { + /* + * ignore ALPA of bfa port + */ + if ((port_loop_alpa_map[ii] > 0) + && (port_loop_alpa_map[ii] != port->pid)) + bfa_fcs_port_loop_send_plogi(port, + port_loop_alpa_map[ii]); + /**TBD */ + } + } + } else { + /* + * TBD Target Mode ?? + */ + } + +} + +/** + * Called by port to notify transition to offline state. + */ +void +bfa_fcs_port_loop_offline(struct bfa_fcs_port_s *port) +{ + +} + +/** + * Called by port to notify a LIP on the loop. + */ +void +bfa_fcs_port_loop_lip(struct bfa_fcs_port_s *port) +{ +} + +/** + * Local Functions. + */ +bfa_status_t +bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp = NULL; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_plogi_response, (void *)port, + FC_MAX_PDUSZ, FC_RA_TOV); + + return BFA_STATUS_OK; +} + +/** + * Called by fcxp to notify the Plogi response + */ +void +bfa_fcs_port_loop_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + struct fc_logi_s *plogi_resp; + struct fc_els_cmd_s *els_cmd; + + bfa_trc(port->fcs, req_status); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + /* + * @todo + * This could mean that the device with this APLA does not + * exist on the loop. + */ + + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + plogi_resp = (struct fc_logi_s *) els_cmd; + + if (els_cmd->els_code == FC_ELS_ACC) { + bfa_fcs_rport_start(port, rsp_fchs, plogi_resp); + } else { + bfa_trc(port->fcs, plogi_resp->els_cmd.els_code); + bfa_assert(0); + } +} + +bfa_status_t +bfa_fcs_port_loop_send_plogi_acc(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_plogi_acc_response, + (void *)port, FC_MAX_PDUSZ, 0); /* No response + * expected + */ + + return BFA_STATUS_OK; +} + +/* + * Plogi Acc Response + * We donot do any processing here. + */ +void +bfa_fcs_port_loop_plogi_acc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + + bfa_trc(port->fcs, port->pid); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + return; + } +} + +bfa_status_t +bfa_fcs_port_loop_send_adisc(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_adisc_response, (void *)port, + FC_MAX_PDUSZ, FC_RA_TOV); + + return BFA_STATUS_OK; +} + +/** + * Called by fcxp to notify the ADISC response + */ +void +bfa_fcs_port_loop_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + struct bfa_fcs_rport_s *rport; + struct fc_adisc_s *adisc_resp; + struct fc_els_cmd_s *els_cmd; + u32 pid = rsp_fchs->s_id; + + bfa_trc(port->fcs, req_status); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + /* + * TBD : we may need to retry certain requests + */ + bfa_fcxp_free(fcxp); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + adisc_resp = (struct fc_adisc_s *) els_cmd; + + if (els_cmd->els_code == FC_ELS_ACC) { + } else { + bfa_trc(port->fcs, adisc_resp->els_cmd.els_code); + + /* + * TBD: we may need to check for reject codes and retry + */ + rport = bfa_fcs_port_get_rport_by_pid(port, pid); + if (rport) { + list_del(&rport->qe); + bfa_fcs_rport_delete(rport); + } + + } + return; +} + +bfa_status_t +bfa_fcs_port_loop_send_adisc_acc(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_adisc_acc_response, + (void *)port, FC_MAX_PDUSZ, 0); /* no reponse + * expected + */ + + return BFA_STATUS_OK; +} + +/* + * Adisc Acc Response + * We donot do any processing here. + */ +void +bfa_fcs_port_loop_adisc_acc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + + bfa_trc(port->fcs, port->pid); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + return; + } +} diff --git a/drivers/scsi/bfa/lport_api.c b/drivers/scsi/bfa/lport_api.c new file mode 100644 index 000000000000..8f51a83f1834 --- /dev/null +++ b/drivers/scsi/bfa/lport_api.c @@ -0,0 +1,291 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * port_api.c BFA FCS port + */ + +#include <fcs/bfa_fcs.h> +#include <fcs/bfa_fcs_lport.h> +#include <fcs/bfa_fcs_rport.h> +#include "fcs_rport.h" +#include "fcs_fabric.h" +#include "fcs_trcmod.h" +#include "fcs_vport.h" + +BFA_TRC_FILE(FCS, PORT_API); + + + +/** + * fcs_port_api BFA FCS port API + */ + +void +bfa_fcs_cfg_base_port(struct bfa_fcs_s *fcs, struct bfa_port_cfg_s *port_cfg) +{ +} + +struct bfa_fcs_port_s * +bfa_fcs_get_base_port(struct bfa_fcs_s *fcs) +{ + return (&fcs->fabric.bport); +} + +wwn_t +bfa_fcs_port_get_rport(struct bfa_fcs_port_s *port, wwn_t wwn, int index, + int nrports, bfa_boolean_t bwwn) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + int i; + struct bfa_fcs_s *fcs; + + if (port == NULL || nrports == 0) + return (wwn_t) 0; + + fcs = port->fcs; + bfa_trc(fcs, (u32) nrports); + + i = 0; + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while ((qe != qh) && (i < nrports)) { + rport = (struct bfa_fcs_rport_s *)qe; + if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { + qe = bfa_q_next(qe); + bfa_trc(fcs, (u32) rport->pwwn); + bfa_trc(fcs, rport->pid); + bfa_trc(fcs, i); + continue; + } + + if (bwwn) { + if (!memcmp(&wwn, &rport->pwwn, 8)) + break; + } else { + if (i == index) + break; + } + + i++; + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, i); + if (rport) { + return rport->pwwn; + } else { + return (wwn_t) 0; + } +} + +void +bfa_fcs_port_get_rports(struct bfa_fcs_port_s *port, wwn_t rport_wwns[], + int *nrports) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + int i; + struct bfa_fcs_s *fcs; + + if (port == NULL || rport_wwns == NULL || *nrports == 0) + return; + + fcs = port->fcs; + bfa_trc(fcs, (u32) *nrports); + + i = 0; + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while ((qe != qh) && (i < *nrports)) { + rport = (struct bfa_fcs_rport_s *)qe; + if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { + qe = bfa_q_next(qe); + bfa_trc(fcs, (u32) rport->pwwn); + bfa_trc(fcs, rport->pid); + bfa_trc(fcs, i); + continue; + } + + rport_wwns[i] = rport->pwwn; + + i++; + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, i); + *nrports = i; + return; +} + +/* + * Iterate's through all the rport's in the given port to + * determine the maximum operating speed. + */ +enum bfa_pport_speed +bfa_fcs_port_get_rport_max_speed(struct bfa_fcs_port_s *port) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + struct bfa_fcs_s *fcs; + enum bfa_pport_speed max_speed = 0; + struct bfa_pport_attr_s pport_attr; + enum bfa_pport_speed pport_speed; + + if (port == NULL) + return 0; + + fcs = port->fcs; + + /* + * Get Physical port's current speed + */ + bfa_pport_get_attr(port->fcs->bfa, &pport_attr); + pport_speed = pport_attr.speed; + bfa_trc(fcs, pport_speed); + + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while (qe != qh) { + rport = (struct bfa_fcs_rport_s *)qe; + if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000) + || (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE)) { + qe = bfa_q_next(qe); + continue; + } + + if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_8GBPS) + || (rport->rpf.rpsc_speed > pport_speed)) { + max_speed = rport->rpf.rpsc_speed; + break; + } else if (rport->rpf.rpsc_speed > max_speed) { + max_speed = rport->rpf.rpsc_speed; + } + + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, max_speed); + return max_speed; +} + +struct bfa_fcs_port_s * +bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn) +{ + struct bfa_fcs_vport_s *vport; + bfa_fcs_vf_t *vf; + + bfa_assert(fcs != NULL); + + vf = bfa_fcs_vf_lookup(fcs, vf_id); + if (vf == NULL) { + bfa_trc(fcs, vf_id); + return (NULL); + } + + if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn)) + return (&vf->bport); + + vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn); + if (vport) + return (&vport->lport); + + return (NULL); +} + +/* + * API corresponding to VmWare's NPIV_VPORT_GETINFO. + */ +void +bfa_fcs_port_get_info(struct bfa_fcs_port_s *port, + struct bfa_port_info_s *port_info) +{ + + bfa_trc(port->fcs, port->fabric->fabric_name); + + if (port->vport == NULL) { + /* + * This is a Physical port + */ + port_info->port_type = BFA_PORT_TYPE_PHYSICAL; + + /* + * @todo : need to fix the state & reason + */ + port_info->port_state = 0; + port_info->offline_reason = 0; + + port_info->port_wwn = bfa_fcs_port_get_pwwn(port); + port_info->node_wwn = bfa_fcs_port_get_nwwn(port); + + port_info->max_vports_supp = bfa_fcs_vport_get_max(port->fcs); + port_info->num_vports_inuse = + bfa_fcs_fabric_vport_count(port->fabric); + port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP; + port_info->num_rports_inuse = port->num_rports; + } else { + /* + * This is a virtual port + */ + port_info->port_type = BFA_PORT_TYPE_VIRTUAL; + + /* + * @todo : need to fix the state & reason + */ + port_info->port_state = 0; + port_info->offline_reason = 0; + + port_info->port_wwn = bfa_fcs_port_get_pwwn(port); + port_info->node_wwn = bfa_fcs_port_get_nwwn(port); + } +} + +void +bfa_fcs_port_get_stats(struct bfa_fcs_port_s *fcs_port, + struct bfa_port_stats_s *port_stats) +{ + bfa_os_memcpy(port_stats, &fcs_port->stats, + sizeof(struct bfa_port_stats_s)); + return; +} + +void +bfa_fcs_port_clear_stats(struct bfa_fcs_port_s *fcs_port) +{ + bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_port_stats_s)); + return; +} + +void +bfa_fcs_port_enable_ipfc_roles(struct bfa_fcs_port_s *fcs_port) +{ + fcs_port->port_cfg.roles |= BFA_PORT_ROLE_FCP_IPFC; + return; +} + +void +bfa_fcs_port_disable_ipfc_roles(struct bfa_fcs_port_s *fcs_port) +{ + fcs_port->port_cfg.roles &= ~BFA_PORT_ROLE_FCP_IPFC; + return; +} + + diff --git a/drivers/scsi/bfa/lport_priv.h b/drivers/scsi/bfa/lport_priv.h new file mode 100644 index 000000000000..dbae370a599a --- /dev/null +++ b/drivers/scsi/bfa/lport_priv.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __VP_PRIV_H__ +#define __VP_PRIV_H__ + +#include <fcs/bfa_fcs_lport.h> +#include <fcs/bfa_fcs_vport.h> + +/* + * Functions exported by vps + */ +void bfa_fcs_vport_init(struct bfa_fcs_vport_s *vport); + +/* + * Functions exported by vps + */ +void bfa_fcs_vps_online(struct bfa_fcs_port_s *port); +void bfa_fcs_vps_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_vps_lip(struct bfa_fcs_port_s *port); + +/* + * Functions exported by port_fab + */ +void bfa_fcs_port_fab_init(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_fab_online(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_fab_offline(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_fab_rx_frame(struct bfa_fcs_port_s *port, + u8 *rx_frame, u32 len); + +/* + * Functions exported by VP-NS. + */ +void bfa_fcs_port_ns_init(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_ns_offline(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_ns_online(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_ns_query(struct bfa_fcs_port_s *port); + +/* + * Functions exported by VP-SCN + */ +void bfa_fcs_port_scn_init(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_scn_offline(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_scn_online(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_scn_process_rscn(struct bfa_fcs_port_s *port, + struct fchs_s *rx_frame, u32 len); + +/* + * Functions exported by VP-N2N + */ + +void bfa_fcs_port_n2n_init(struct bfa_fcs_port_s *port); +void bfa_fcs_port_n2n_online(struct bfa_fcs_port_s *port); +void bfa_fcs_port_n2n_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_port_n2n_rx_frame(struct bfa_fcs_port_s *port, + u8 *rx_frame, u32 len); + +/* + * Functions exported by VP-LOOP + */ +void bfa_fcs_port_loop_init(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_online(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_lip(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_rx_frame(struct bfa_fcs_port_s *port, + u8 *rx_frame, u32 len); + +#endif /* __VP_PRIV_H__ */ diff --git a/drivers/scsi/bfa/ms.c b/drivers/scsi/bfa/ms.c new file mode 100644 index 000000000000..c96b3ca007ae --- /dev/null +++ b/drivers/scsi/bfa/ms.c @@ -0,0 +1,759 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + + +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, MS); + +#define BFA_FCS_MS_CMD_MAX_RETRIES 2 +/* + * forward declarations + */ +static void bfa_fcs_port_ms_send_plogi(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ms_timeout(void *arg); +static void bfa_fcs_port_ms_plogi_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +static void bfa_fcs_port_ms_send_gmal(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ms_gmal_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ms_send_gfn(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ms_gfn_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +/** + * fcs_ms_sm FCS MS state machine + */ + +/** + * MS State Machine events + */ +enum port_ms_event { + MSSM_EVENT_PORT_ONLINE = 1, + MSSM_EVENT_PORT_OFFLINE = 2, + MSSM_EVENT_RSP_OK = 3, + MSSM_EVENT_RSP_ERROR = 4, + MSSM_EVENT_TIMEOUT = 5, + MSSM_EVENT_FCXP_SENT = 6, + MSSM_EVENT_PORT_FABRIC_RSCN = 7 +}; + +static void bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +/** + * Start in offline state - awaiting NS to send start. + */ +static void +bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_PORT_ONLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending); + bfa_fcs_port_ms_send_plogi(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), &ms->timer, + bfa_fcs_port_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + break; + + case MSSM_EVENT_RSP_OK: + /* + * since plogi is done, now invoke MS related sub-modules + */ + bfa_fcs_port_fdmi_online(ms); + + /** + * if this is a Vport, go to online state. + */ + if (ms->port->vport) { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online); + break; + } + + /* + * For a base port we need to get the + * switch's IP address. + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending); + bfa_fcs_port_ms_send_gmal(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending); + bfa_fcs_port_ms_send_plogi(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + /* + * now invoke MS related sub-modules + */ + bfa_fcs_port_fdmi_offline(ms); + break; + + case MSSM_EVENT_PORT_FABRIC_RSCN: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + ms->retry_cnt = 0; + bfa_fcs_port_ms_send_gfn(ms, NULL); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->timer, bfa_fcs_port_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + bfa_fcs_port_ms_send_gfn(ms, NULL); + ms->retry_cnt = 0; + } + break; + + case MSSM_EVENT_RSP_OK: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + bfa_fcs_port_ms_send_gfn(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending); + bfa_fcs_port_ms_send_gmal(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_assert(0); + } +} + +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_port_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ms_s *ms = ms_cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_port_ms_send_gmal, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), + bfa_lps_get_peer_nwwn(port->fabric->lps)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gmal_response, + (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_port_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct ct_hdr_s *cthdr = NULL; + struct fcgs_gmal_resp_s *gmal_resp; + struct fc_gmal_entry_s *gmal_entry; + u32 num_entries; + u8 *rsp_str; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1); + num_entries = bfa_os_ntohl(gmal_resp->ms_len); + if (num_entries == 0) { + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + /* + * The response could contain multiple Entries. + * Entries for SNMP interface, etc. + * We look for the entry with a telnet prefix. + * First "http://" entry refers to IP addr + */ + + gmal_entry = (struct fc_gmal_entry_s *)gmal_resp->ms_ma; + while (num_entries > 0) { + if (strncmp + (gmal_entry->prefix, CT_GMAL_RESP_PREFIX_HTTP, + sizeof(gmal_entry->prefix)) == 0) { + + /* + * if the IP address is terminating with a '/', + * remove it. *Byte 0 consists of the length + * of the string. + */ + rsp_str = &(gmal_entry->prefix[0]); + if (rsp_str[gmal_entry->len - 1] == '/') + rsp_str[gmal_entry->len - 1] = 0; + /* + * copy IP Address to fabric + */ + strncpy(bfa_fcs_port_get_fabric_ipaddr(port), + gmal_entry->ip_addr, + BFA_FCS_FABRIC_IPADDR_SZ); + break; + } else { + --num_entries; + ++gmal_entry; + } + } + + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); +} + +static void +bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->timer, bfa_fcs_port_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online); + ms->retry_cnt = 0; + } + break; + + case MSSM_EVENT_RSP_OK: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + bfa_fcs_port_ms_send_gfn(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_assert(0); + } +} + +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_port_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ms_s *ms = ms_cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_port_ms_send_gfn, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), + bfa_lps_get_peer_nwwn(port->fabric->lps)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gfn_response, + (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_port_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct ct_hdr_s *cthdr = NULL; + wwn_t *gfn_resp; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + gfn_resp = (wwn_t *) (cthdr + 1); + /* + * check if it has actually changed + */ + if ((memcmp + ((void *)&bfa_fcs_port_get_fabric_name(port), gfn_resp, + sizeof(wwn_t)) != 0)) + bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); +} + +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_port_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ms_s *ms = ms_cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ms_plogi_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_port_ms_send_plogi, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_MGMT_SERVER), + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_plogi_response, + (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ms_plogi_sent++; + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_port_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg; + + struct bfa_fcs_port_s *port = ms->port; + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + port->stats.ms_plogi_rsp_err++; + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + if (rsp_len < sizeof(struct fc_logi_s)) { + bfa_trc(port->fcs, rsp_len); + port->stats.ms_plogi_acc_err++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + break; + } + port->stats.ms_plogi_accepts++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + port->stats.ms_rejects++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + break; + + default: + port->stats.ms_plogi_unknown_rsp++; + bfa_trc(port->fcs, els_cmd->els_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + } +} + +static void +bfa_fcs_port_ms_timeout(void *arg) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)arg; + + ms->port->stats.ms_timeouts++; + bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT); +} + + +void +bfa_fcs_port_ms_init(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + + /* + * Invoke init routines of sub modules. + */ + bfa_fcs_port_fdmi_init(ms); +} + +void +bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_port_ms_online(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE); +} + +void +bfa_fcs_port_ms_fabric_rscn(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + /* + * @todo. Handle this only when in Online state + */ + if (bfa_sm_cmp_state(ms, bfa_fcs_port_ms_sm_online)) + bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN); +} diff --git a/drivers/scsi/bfa/n2n.c b/drivers/scsi/bfa/n2n.c new file mode 100644 index 000000000000..735456824346 --- /dev/null +++ b/drivers/scsi/bfa/n2n.c @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * n2n.c n2n implementation. + */ +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, N2N); + +/** + * Called by fcs/port to initialize N2N topology. + */ +void +bfa_fcs_port_n2n_init(struct bfa_fcs_port_s *port) +{ +} + +/** + * Called by fcs/port to notify transition to online state. + */ +void +bfa_fcs_port_n2n_online(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_n2n_s *n2n_port = &port->port_topo.pn2n; + struct bfa_port_cfg_s *pcfg = &port->port_cfg; + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, pcfg->pwwn); + + /* + * If our PWWN is > than that of the r-port, we have to initiate PLOGI + * and assign an Address. if not, we need to wait for its PLOGI. + * + * If our PWWN is < than that of the remote port, it will send a PLOGI + * with the PIDs assigned. The rport state machine take care of this + * incoming PLOGI. + */ + if (memcmp + ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn, + sizeof(wwn_t)) > 0) { + port->pid = N2N_LOCAL_PID; + /** + * First, check if we know the device by pwwn. + */ + rport = bfa_fcs_port_get_rport_by_pwwn(port, + n2n_port->rem_port_wwn); + if (rport) { + bfa_trc(port->fcs, rport->pid); + bfa_trc(port->fcs, rport->pwwn); + rport->pid = N2N_REMOTE_PID; + bfa_fcs_rport_online(rport); + return; + } + + /* + * In n2n there can be only one rport. Delete the old one whose + * pid should be zero, because it is offline. + */ + if (port->num_rports > 0) { + rport = bfa_fcs_port_get_rport_by_pid(port, 0); + bfa_assert(rport != NULL); + if (rport) { + bfa_trc(port->fcs, rport->pwwn); + bfa_fcs_rport_delete(rport); + } + } + bfa_fcs_rport_create(port, N2N_REMOTE_PID); + } +} + +/** + * Called by fcs/port to notify transition to offline state. + */ +void +bfa_fcs_port_n2n_offline(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_n2n_s *n2n_port = &port->port_topo.pn2n; + + bfa_trc(port->fcs, port->pid); + port->pid = 0; + n2n_port->rem_port_wwn = 0; + n2n_port->reply_oxid = 0; +} + + diff --git a/drivers/scsi/bfa/ns.c b/drivers/scsi/bfa/ns.c new file mode 100644 index 000000000000..59fea99d67a4 --- /dev/null +++ b/drivers/scsi/bfa/ns.c @@ -0,0 +1,1243 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @page ns_sm_info VPORT NS State Machine + * + * @section ns_sm_interactions VPORT NS State Machine Interactions + * + * @section ns_sm VPORT NS State Machine + * img ns_sm.jpg + */ +#include <bfa.h> +#include <bfa_svc.h> +#include <bfa_iocfc.h> +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, NS); + +/* + * forward declarations + */ +static void bfa_fcs_port_ns_send_plogi(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_rspn_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_rft_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_rff_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_gid_ft(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_timeout(void *arg); +static void bfa_fcs_port_ns_plogi_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_rspn_id_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_rft_id_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_rff_id_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_gid_ft_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_process_gidft_pids(struct bfa_fcs_port_s *port, + u32 *pid_buf, + u32 n_pids); + +static void bfa_fcs_port_ns_boot_target_disc(struct bfa_fcs_port_s *port); +/** + * fcs_ns_sm FCS nameserver interface state machine + */ + +/** + * VPort NS State Machine events + */ +enum vport_ns_event { + NSSM_EVENT_PORT_ONLINE = 1, + NSSM_EVENT_PORT_OFFLINE = 2, + NSSM_EVENT_PLOGI_SENT = 3, + NSSM_EVENT_RSP_OK = 4, + NSSM_EVENT_RSP_ERROR = 5, + NSSM_EVENT_TIMEOUT = 6, + NSSM_EVENT_NS_QUERY = 7, + NSSM_EVENT_RSPNID_SENT = 8, + NSSM_EVENT_RFTID_SENT = 9, + NSSM_EVENT_RFFID_SENT = 10, + NSSM_EVENT_GIDFT_SENT = 11, +}; + +static void bfa_fcs_port_ns_sm_offline(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_plogi_sending(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_plogi(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_plogi_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rspn_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rft_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rff_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_gid_ft_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_online(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +/** + * Start in offline state - awaiting linkup + */ +static void +bfa_fcs_port_ns_sm_offline(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_PORT_ONLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_sending); + bfa_fcs_port_ns_send_plogi(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_plogi_sending(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_PLOGI_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_plogi(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rspn_id); + bfa_fcs_port_ns_send_rspn_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_plogi_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_sending); + bfa_fcs_port_ns_send_plogi(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_sending_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSPNID_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rspn_id); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rspn_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rft_id); + bfa_fcs_port_ns_send_rft_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(ns->fcxp); + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rspn_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rspn_id); + bfa_fcs_port_ns_send_rspn_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_sending_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RFTID_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rft_id); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + /* + * Now move to register FC4 Features + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rff_id); + bfa_fcs_port_ns_send_rff_id(ns, NULL); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rft_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rft_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rft_id); + bfa_fcs_port_ns_send_rft_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_sending_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RFFID_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rff_id); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + + /* + * If min cfg mode is enabled, we donot initiate rport + * discovery with the fabric. Instead, we will retrieve the + * boot targets from HAL/FW. + */ + if (__fcs_min_cfg(ns->port->fcs)) { + bfa_fcs_port_ns_boot_target_disc(ns->port); + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online); + return; + } + + /* + * If the port role is Initiator Mode issue NS query. + * If it is Target Mode, skip this and go to online. + */ + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft); + bfa_fcs_port_ns_send_gid_ft(ns, NULL); + } else if (BFA_FCS_VPORT_IS_TARGET_MODE(ns->port)) { + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online); + } + /* + * kick off mgmt srvr state machine + */ + bfa_fcs_port_ms_online(ns->port); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rff_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rff_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rff_id); + bfa_fcs_port_ns_send_rff_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} +static void +bfa_fcs_port_ns_sm_sending_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_GIDFT_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_gid_ft); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * TBD: for certain reject codes, we don't need to retry + */ + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_gid_ft_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_gid_ft_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft); + bfa_fcs_port_ns_send_gid_ft(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_online(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + break; + + case NSSM_EVENT_NS_QUERY: + /* + * If the port role is Initiator Mode issue NS query. + * If it is Target Mode, skip this and go to online. + */ + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft); + bfa_fcs_port_ns_send_gid_ft(ns, NULL); + }; + break; + + default: + bfa_assert(0); + } +} + + + +/** + * ns_pvt Nameserver local functions + */ + +static void +bfa_fcs_port_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_plogi_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_plogi, ns); + return; + } + ns->fcxp = fcxp; + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_NAME_SERVER), + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_plogi_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + port->stats.ns_plogi_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT); +} + +static void +bfa_fcs_port_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + /* struct fc_logi_s *plogi_resp; */ + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_plogi_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + if (rsp_len < sizeof(struct fc_logi_s)) { + bfa_trc(port->fcs, rsp_len); + port->stats.ns_plogi_acc_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + break; + } + port->stats.ns_plogi_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + port->stats.ns_rejects++; + + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + break; + + default: + port->stats.ns_plogi_unknown_rsp++; + bfa_trc(port->fcs, els_cmd->els_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * Register the symbolic port name. + */ +static void +bfa_fcs_port_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + u8 symbl[256]; + u8 *psymbl = &symbl[0]; + + bfa_os_memset(symbl, 0, sizeof(symbl)); + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rspnid_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_rspn_id, ns); + return; + } + ns->fcxp = fcxp; + + /* + * for V-Port, form a Port Symbolic Name + */ + if (port->vport) { + /**For Vports, + * we append the vport's port symbolic name to that of the base port. + */ + + strncpy((char *)psymbl, + (char *) + &(bfa_fcs_port_get_psym_name + (bfa_fcs_get_base_port(port->fcs))), + strlen((char *) + &bfa_fcs_port_get_psym_name(bfa_fcs_get_base_port + (port->fcs)))); + + /* + * Ensure we have a null terminating string. + */ + ((char *) + psymbl)[strlen((char *) + &bfa_fcs_port_get_psym_name + (bfa_fcs_get_base_port(port->fcs)))] = 0; + + strncat((char *)psymbl, + (char *)&(bfa_fcs_port_get_psym_name(port)), + strlen((char *)&bfa_fcs_port_get_psym_name(port))); + } else { + psymbl = (u8 *) &(bfa_fcs_port_get_psym_name(port)); + } + + len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), 0, psymbl); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rspn_id_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ns_rspnid_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT); +} + +static void +bfa_fcs_port_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rspnid_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rspnid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rspnid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); +} + +/** + * Register FC4-Types + * TBD, Need to retrieve this from the OS driver, in case IPFC is enabled ? + */ +static void +bfa_fcs_port_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rftid_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_rft_id, ns); + return; + } + ns->fcxp = fcxp; + + len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.roles); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rft_id_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ns_rftid_sent++; + bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT); +} + +static void +bfa_fcs_port_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rftid_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rftid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rftid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); +} + +/** +* Register FC4-Features : Should be done after RFT_ID + */ +static void +bfa_fcs_port_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + u8 fc4_ftrs = 0; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rffid_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_rff_id, ns); + return; + } + ns->fcxp = fcxp; + + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR; + } else if (BFA_FCS_VPORT_IS_TARGET_MODE(ns->port)) { + fc4_ftrs = FC_GS_FCP_FC4_FEATURE_TARGET; + } + + len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), 0, FC_TYPE_FCP, + fc4_ftrs); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rff_id_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ns_rffid_sent++; + bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT); +} + +static void +bfa_fcs_port_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rffid_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rffid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rffid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + + if (cthdr->reason_code == CT_RSN_NOT_SUPP) { + /* + * if this command is not supported, we don't retry + */ + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + } else { + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * Query Fabric for FC4-Types Devices. + * +* TBD : Need to use a local (FCS private) response buffer, since the response + * can be larger than 2K. + */ +static void +bfa_fcs_port_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_gidft_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_gid_ft, ns); + return; + } + ns->fcxp = fcxp; + + /* + * This query is only initiated for FCP initiator mode. + */ + len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), ns->port->pid, + FC_TYPE_FCP); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_gid_ft_response, + (void *)ns, bfa_fcxp_get_maxrsp(port->fcs->bfa), + FC_RA_TOV); + + port->stats.ns_gidft_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT); +} + +static void +bfa_fcs_port_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + u32 n_pids; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_gidft_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + if (resid_len != 0) { + /* + * TBD : we will need to allocate a larger buffer & retry the + * command + */ + bfa_trc(port->fcs, rsp_len); + bfa_trc(port->fcs, resid_len); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + switch (cthdr->cmd_rsp_code) { + + case CT_RSP_ACCEPT: + + port->stats.ns_gidft_accepts++; + n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32)); + bfa_trc(port->fcs, n_pids); + bfa_fcs_port_ns_process_gidft_pids(port, + (u32 *) (cthdr + 1), + n_pids); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + break; + + case CT_RSP_REJECT: + + /* + * Check the reason code & explanation. + * There may not have been any FC4 devices in the fabric + */ + port->stats.ns_gidft_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + + if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF) + && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) { + + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + } else { + /* + * for all other errors, retry + */ + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } + break; + + default: + port->stats.ns_gidft_unknown_rsp++; + bfa_trc(port->fcs, cthdr->cmd_rsp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] port - pointer to bfa_fcs_port_t. + * + * return + * void + * +* Special Considerations: + * + * note + */ +static void +bfa_fcs_port_ns_timeout(void *arg) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)arg; + + ns->port->stats.ns_timeouts++; + bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT); +} + +/* + * Process the PID list in GID_FT response + */ +static void +bfa_fcs_port_ns_process_gidft_pids(struct bfa_fcs_port_s *port, + u32 *pid_buf, u32 n_pids) +{ + struct fcgs_gidft_resp_s *gidft_entry; + struct bfa_fcs_rport_s *rport; + u32 ii; + + for (ii = 0; ii < n_pids; ii++) { + gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii]; + + if (gidft_entry->pid == port->pid) + continue; + + /* + * Check if this rport already exists + */ + rport = bfa_fcs_port_get_rport_by_pid(port, gidft_entry->pid); + if (rport == NULL) { + /* + * this is a new device. create rport + */ + rport = bfa_fcs_rport_create(port, gidft_entry->pid); + } else { + /* + * this rport already exists + */ + bfa_fcs_rport_scn(rport); + } + + bfa_trc(port->fcs, gidft_entry->pid); + + /* + * if the last entry bit is set, bail out. + */ + if (gidft_entry->last) + return; + } +} + +/** + * fcs_ns_public FCS nameserver public interfaces + */ + +/* + * Functions called by port/fab. + * These will send relevant Events to the ns state machine. + */ +void +bfa_fcs_port_ns_init(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); +} + +void +bfa_fcs_port_ns_offline(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_port_ns_online(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE); +} + +void +bfa_fcs_port_ns_query(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + bfa_trc(port->fcs, port->pid); + bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY); +} + +static void +bfa_fcs_port_ns_boot_target_disc(struct bfa_fcs_port_s *port) +{ + + struct bfa_fcs_rport_s *rport; + u8 nwwns; + wwn_t *wwns; + int ii; + + bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, &wwns); + + for (ii = 0; ii < nwwns; ++ii) { + rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]); + bfa_assert(rport); + } +} + + diff --git a/drivers/scsi/bfa/plog.c b/drivers/scsi/bfa/plog.c new file mode 100644 index 000000000000..86af818d17bb --- /dev/null +++ b/drivers/scsi/bfa/plog.c @@ -0,0 +1,184 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa_os_inc.h> +#include <cs/bfa_plog.h> +#include <cs/bfa_debug.h> + +static int +plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec) +{ + if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) + && (pl_rec->log_type != BFA_PL_LOG_TYPE_STRING)) + return 1; + + if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) + && (pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ)) + return 1; + + return 0; +} + +static void +bfa_plog_add(struct bfa_plog_s *plog, struct bfa_plog_rec_s *pl_rec) +{ + u16 tail; + struct bfa_plog_rec_s *pl_recp; + + if (plog->plog_enabled == 0) + return; + + if (plkd_validate_logrec(pl_rec)) { + bfa_assert(0); + return; + } + + tail = plog->tail; + + pl_recp = &(plog->plog_recs[tail]); + + bfa_os_memcpy(pl_recp, pl_rec, sizeof(struct bfa_plog_rec_s)); + + pl_recp->tv = BFA_TRC_TS(plog); + BFA_PL_LOG_REC_INCR(plog->tail); + + if (plog->head == plog->tail) + BFA_PL_LOG_REC_INCR(plog->head); +} + +void +bfa_plog_init(struct bfa_plog_s *plog) +{ + bfa_os_memset((char *)plog, 0, sizeof(struct bfa_plog_s)); + + bfa_os_memcpy(plog->plog_sig, BFA_PL_SIG_STR, BFA_PL_SIG_LEN); + plog->head = plog->tail = 0; + plog->plog_enabled = 1; +} + +void +bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, + u16 misc, char *log_str) +{ + struct bfa_plog_rec_s lp; + + if (plog->plog_enabled) { + bfa_os_memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); + lp.mid = mid; + lp.eid = event; + lp.log_type = BFA_PL_LOG_TYPE_STRING; + lp.misc = misc; + strncpy(lp.log_entry.string_log, log_str, + BFA_PL_STRING_LOG_SZ - 1); + lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0'; + bfa_plog_add(plog, &lp); + } +} + +void +bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, + u16 misc, u32 *intarr, u32 num_ints) +{ + struct bfa_plog_rec_s lp; + u32 i; + + if (num_ints > BFA_PL_INT_LOG_SZ) + num_ints = BFA_PL_INT_LOG_SZ; + + if (plog->plog_enabled) { + bfa_os_memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); + lp.mid = mid; + lp.eid = event; + lp.log_type = BFA_PL_LOG_TYPE_INT; + lp.misc = misc; + + for (i = 0; i < num_ints; i++) + bfa_os_assign(lp.log_entry.int_log[i], + intarr[i]); + + lp.log_num_ints = (u8) num_ints; + + bfa_plog_add(plog, &lp); + } +} + +void +bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, + u16 misc, struct fchs_s *fchdr) +{ + struct bfa_plog_rec_s lp; + u32 *tmp_int = (u32 *) fchdr; + u32 ints[BFA_PL_INT_LOG_SZ]; + + if (plog->plog_enabled) { + bfa_os_memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); + + ints[0] = tmp_int[0]; + ints[1] = tmp_int[1]; + ints[2] = tmp_int[4]; + + bfa_plog_intarr(plog, mid, event, misc, ints, 3); + } +} + +void +bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid, + enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr, + u32 pld_w0) +{ + struct bfa_plog_rec_s lp; + u32 *tmp_int = (u32 *) fchdr; + u32 ints[BFA_PL_INT_LOG_SZ]; + + if (plog->plog_enabled) { + bfa_os_memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); + + ints[0] = tmp_int[0]; + ints[1] = tmp_int[1]; + ints[2] = tmp_int[4]; + ints[3] = pld_w0; + + bfa_plog_intarr(plog, mid, event, misc, ints, 4); + } +} + +void +bfa_plog_clear(struct bfa_plog_s *plog) +{ + plog->head = plog->tail = 0; +} + +void +bfa_plog_enable(struct bfa_plog_s *plog) +{ + plog->plog_enabled = 1; +} + +void +bfa_plog_disable(struct bfa_plog_s *plog) +{ + plog->plog_enabled = 0; +} + +bfa_boolean_t +bfa_plog_get_setting(struct bfa_plog_s *plog) +{ + return((bfa_boolean_t)plog->plog_enabled); +} diff --git a/drivers/scsi/bfa/rport.c b/drivers/scsi/bfa/rport.c new file mode 100644 index 000000000000..9cf58bb138dc --- /dev/null +++ b/drivers/scsi/bfa/rport.c @@ -0,0 +1,2618 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * rport.c Remote port implementation. + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include "fcbuild.h" +#include "fcs_vport.h" +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_fcpim.h" +#include "fcs_fcptm.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs.h" +#include <fcb/bfa_fcb_rport.h> +#include <aen/bfa_aen_rport.h> + +BFA_TRC_FILE(FCS, RPORT); + +#define BFA_FCS_RPORT_MAX_RETRIES (5) + +/* In millisecs */ +static u32 bfa_fcs_rport_del_timeout = + BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; + +/* + * forward declarations + */ +static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, + wwn_t pwwn, u32 rpid); +static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); +static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); +static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); +static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); +static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, + struct fc_logi_s *plogi); +static void bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport); +static void bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport); +static void bfa_fcs_rport_timeout(void *arg); +static void bfa_fcs_rport_send_plogi(void *rport_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_rport_plogi_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_rport_send_adisc(void *rport_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_rport_adisc_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_rport_send_gidpn(void *rport_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_rport_gidpn_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_rport_send_logo(void *rport_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); +static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, + struct fchs_s *rx_fchs, u16 len); +static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, + struct fchs_s *rx_fchs, u8 reason_code, + u8 reason_code_expl); +static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, + struct fchs_s *rx_fchs, u16 len); +/** + * fcs_rport_sm FCS rport state machine events + */ + +enum rport_event { + RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ + RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ + RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ + RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ + RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ + RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ + RPSM_EVENT_DELETE = 7, /* RPORT delete request */ + RPSM_EVENT_SCN = 8, /* state change notification */ + RPSM_EVENT_ACCEPTED = 9,/* Good response from remote device */ + RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ + RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ + RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ + RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ + RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ + RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ + RPSM_EVENT_ADDRESS_DISC = 16 /* Need to Discover rport's PID */ +}; + +static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, + enum rport_event event); +static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, + enum rport_event event); + +static struct bfa_sm_table_s rport_sm_table[] = { + {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, + {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, + {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, + {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, + {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, + {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, + {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, + {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, + {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, + {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, + {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, + {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, + {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, + {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, + {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, + {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, + {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, + {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, + {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, + {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, + {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, + {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, +}; + +/** + * Beginning state. + */ +static void +bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_PLOGI_SEND: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); + rport->plogi_retries = 0; + bfa_fcs_rport_send_plogi(rport, NULL); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_fcs_rport_hal_online(rport); + break; + + case RPSM_EVENT_ADDRESS_CHANGE: + case RPSM_EVENT_ADDRESS_DISC: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + default: + bfa_assert(0); + } +} + +/** + * PLOGI is being sent. + */ +static void +bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FCXP_SENT: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + case RPSM_EVENT_LOGO_IMP: + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_SCN: + break; + + default: + bfa_assert(0); + } +} + +/** + * PLOGI is being sent. + */ +static void +bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FCXP_SENT: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_fcs_rport_hal_online(rport); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_SCN: + /** + * Ignore, SCN is possibly online notification. + */ + break; + + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + case RPSM_EVENT_LOGO_IMP: + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_HCB_OFFLINE: + /** + * Ignore BFA callback, on a PLOGI receive we call bfa offline. + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * PLOGI is sent. + */ +static void +bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_SCN: + bfa_timer_stop(&rport->timer); + /* + * !! fall through !! + */ + + case RPSM_EVENT_TIMEOUT: + rport->plogi_retries++; + if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); + bfa_fcs_rport_send_plogi(rport, NULL); + } else { + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + } + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_LOGO_RCVD: + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_timer_stop(&rport->timer); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + case RPSM_EVENT_LOGO_IMP: + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_timer_stop(&rport->timer); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_hal_online(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * PLOGI is sent. + */ +static void +bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_ACCEPTED: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + rport->plogi_retries = 0; + bfa_fcs_rport_hal_online(rport); + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_fcs_rport_send_logo_acc(rport); + bfa_fcxp_discard(rport->fcxp); + /* + * !! fall through !! + */ + case RPSM_EVENT_FAILED: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + BFA_FCS_RETRY_TIMEOUT); + break; + + case RPSM_EVENT_LOGO_IMP: + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_fcxp_discard(rport->fcxp); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_fcxp_discard(rport->fcxp); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_SCN: + /** + * Ignore SCN - wait for PLOGI response. + */ + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_hal_online(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * PLOGI is complete. Awaiting BFA rport online callback. FC-4s + * are offline. + */ +static void +bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_HCB_ONLINE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); + bfa_fcs_rport_online_action(rport); + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); + bfa_rport_offline(rport->bfa_rport); + break; + + case RPSM_EVENT_LOGO_IMP: + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); + bfa_rport_offline(rport->bfa_rport); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_rport_offline(rport->bfa_rport); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); + bfa_rport_offline(rport->bfa_rport); + break; + + case RPSM_EVENT_SCN: + /** + * @todo + * Ignore SCN - PLOGI just completed, FC-4 login should detect + * device failures. + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport is ONLINE. FC-4s active. + */ +static void +bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_SCN: + /** + * Pause FC-4 activity till rport is authenticated. + * In switched fabrics, check presence of device in nameserver + * first. + */ + bfa_fcs_rport_fc4_pause(rport); + + if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { + bfa_sm_set_state(rport, + bfa_fcs_rport_sm_nsquery_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + } else { + bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); + bfa_fcs_rport_send_adisc(rport, NULL); + } + break; + + case RPSM_EVENT_PLOGI_RCVD: + case RPSM_EVENT_LOGO_IMP: + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_PLOGI_COMP: + break; + + default: + bfa_assert(0); + } +} + +/** + * An SCN event is received in ONLINE state. NS query is being sent + * prior to ADISC authentication with rport. FC-4s are paused. + */ +static void +bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FCXP_SENT: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_SCN: + /** + * ignore SCN, wait for response to query itself + */ + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_LOGO_IMP: + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_PLOGI_RCVD: + case RPSM_EVENT_ADDRESS_CHANGE: + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_offline_action(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * An SCN event is received in ONLINE state. NS query is sent to rport. + * FC-4s are paused. + */ +static void +bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_ACCEPTED: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); + bfa_fcs_rport_send_adisc(rport, NULL); + break; + + case RPSM_EVENT_FAILED: + rport->ns_retries++; + if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { + bfa_sm_set_state(rport, + bfa_fcs_rport_sm_nsquery_sending); + bfa_fcs_rport_send_gidpn(rport, NULL); + } else { + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcs_rport_offline_action(rport); + } + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_SCN: + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_PLOGI_COMP: + case RPSM_EVENT_ADDRESS_CHANGE: + case RPSM_EVENT_PLOGI_RCVD: + case RPSM_EVENT_LOGO_IMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_offline_action(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * An SCN event is received in ONLINE state. ADISC is being sent for + * authenticating with rport. FC-4s are paused. + */ +static void +bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FCXP_SENT: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_LOGO_IMP: + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_SCN: + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_offline_action(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * An SCN event is received in ONLINE state. ADISC is to rport. + * FC-4s are paused. + */ +static void +bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_ACCEPTED: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); + bfa_fcs_rport_fc4_resume(rport); + break; + + case RPSM_EVENT_PLOGI_RCVD: + /** + * Too complex to cleanup FC-4 & rport and then acc to PLOGI. + * At least go offline when a PLOGI is received. + */ + bfa_fcxp_discard(rport->fcxp); + /* + * !!! fall through !!! + */ + + case RPSM_EVENT_FAILED: + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_SCN: + /** + * already processing RSCN + */ + break; + + case RPSM_EVENT_LOGO_IMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_offline_action(rport); + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_offline_action(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport has sent LOGO. Awaiting FC-4 offline completion callback. + */ +static void +bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FC4_OFFLINE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); + bfa_rport_offline(rport->bfa_rport); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + break; + + case RPSM_EVENT_LOGO_RCVD: + case RPSM_EVENT_ADDRESS_CHANGE: + break; + + default: + bfa_assert(0); + } +} + +/** + * LOGO needs to be sent to rport. Awaiting FC-4 offline completion + * callback. + */ +static void +bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FC4_OFFLINE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); + bfa_rport_offline(rport->bfa_rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport is going offline. Awaiting FC-4 offline completion callback. + */ +static void +bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FC4_OFFLINE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); + bfa_rport_offline(rport->bfa_rport); + break; + + case RPSM_EVENT_SCN: + case RPSM_EVENT_LOGO_IMP: + case RPSM_EVENT_LOGO_RCVD: + case RPSM_EVENT_ADDRESS_CHANGE: + /** + * rport is already going offline. + * SCN - ignore and wait till transitioning to offline state + */ + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport is offline. FC-4s are offline. Awaiting BFA rport offline + * callback. + */ +static void +bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_HCB_OFFLINE: + case RPSM_EVENT_ADDRESS_CHANGE: + if (bfa_fcs_port_is_online(rport->port)) { + bfa_sm_set_state(rport, + bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + } else { + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + } + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_SCN: + case RPSM_EVENT_LOGO_RCVD: + /** + * Ignore, already offline. + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport is offline. FC-4s are offline. Awaiting BFA rport offline + * callback to send LOGO accept. + */ +static void +bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_HCB_OFFLINE: + case RPSM_EVENT_ADDRESS_CHANGE: + if (rport->pid) + bfa_fcs_rport_send_logo_acc(rport); + /* + * If the lport is online and if the rport is not a well known + * address port, we try to re-discover the r-port. + */ + if (bfa_fcs_port_is_online(rport->port) + && (!BFA_FCS_PID_IS_WKA(rport->pid))) { + bfa_sm_set_state(rport, + bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + } else { + /* + * if it is not a well known address, reset the pid to + * + */ + if (!BFA_FCS_PID_IS_WKA(rport->pid)) + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + } + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); + break; + + case RPSM_EVENT_LOGO_IMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); + break; + + case RPSM_EVENT_LOGO_RCVD: + /** + * Ignore - already processing a LOGO. + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport is being deleted. FC-4s are offline. Awaiting BFA rport offline + * callback to send LOGO. + */ +static void +bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_HCB_OFFLINE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); + bfa_fcs_rport_send_logo(rport, NULL); + break; + + case RPSM_EVENT_LOGO_RCVD: + case RPSM_EVENT_ADDRESS_CHANGE: + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport is being deleted. FC-4s are offline. LOGO is being sent. + */ +static void +bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FCXP_SENT: + /* + * Once LOGO is sent, we donot wait for the response + */ + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_SCN: + case RPSM_EVENT_ADDRESS_CHANGE: + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_free(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport is offline. FC-4s are offline. BFA rport is offline. + * Timer active to delete stale rport. + */ +static void +bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_TIMEOUT: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_SCN: + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + bfa_timer_stop(&rport->timer); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_LOGO_RCVD: + case RPSM_EVENT_LOGO_IMP: + break; + + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_hal_online(rport); + break; + + case RPSM_EVENT_PLOGI_SEND: + bfa_timer_stop(&rport->timer); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); + rport->plogi_retries = 0; + bfa_fcs_rport_send_plogi(rport, NULL); + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport address has changed. Nameserver discovery request is being sent. + */ +static void +bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_FCXP_SENT: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_SCN: + case RPSM_EVENT_LOGO_RCVD: + case RPSM_EVENT_PLOGI_SEND: + break; + + case RPSM_EVENT_ADDRESS_CHANGE: + rport->ns_retries = 0; /* reset the retry count */ + break; + + case RPSM_EVENT_LOGO_IMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); + bfa_fcs_rport_hal_online(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Nameserver discovery failed. Waiting for timeout to retry. + */ +static void +bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_TIMEOUT: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + case RPSM_EVENT_SCN: + case RPSM_EVENT_ADDRESS_CHANGE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); + bfa_timer_stop(&rport->timer); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_LOGO_IMP: + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_timer_stop(&rport->timer); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_fcs_rport_send_logo_acc(rport); + break; + + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_timer_stop(&rport->timer); + bfa_fcs_rport_hal_online(rport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Rport address has changed. Nameserver discovery request is sent. + */ +static void +bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, + enum rport_event event) +{ + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPSM_EVENT_ACCEPTED: + case RPSM_EVENT_ADDRESS_CHANGE: + if (rport->pid) { + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); + bfa_fcs_rport_send_plogi(rport, NULL); + } else { + bfa_sm_set_state(rport, + bfa_fcs_rport_sm_nsdisc_sending); + rport->ns_retries = 0; + bfa_fcs_rport_send_gidpn(rport, NULL); + } + break; + + case RPSM_EVENT_FAILED: + rport->ns_retries++; + if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { + bfa_sm_set_state(rport, + bfa_fcs_rport_sm_nsdisc_sending); + bfa_fcs_rport_send_gidpn(rport, NULL); + } else { + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + }; + break; + + case RPSM_EVENT_DELETE: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_free(rport); + break; + + case RPSM_EVENT_PLOGI_RCVD: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_send_plogiacc(rport, NULL); + break; + + case RPSM_EVENT_LOGO_IMP: + rport->pid = 0; + bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); + bfa_fcxp_discard(rport->fcxp); + bfa_timer_start(rport->fcs->bfa, &rport->timer, + bfa_fcs_rport_timeout, rport, + bfa_fcs_rport_del_timeout); + break; + + case RPSM_EVENT_SCN: + /** + * ignore, wait for NS query response + */ + break; + + case RPSM_EVENT_LOGO_RCVD: + /** + * Not logged-in yet. Accept LOGO. + */ + bfa_fcs_rport_send_logo_acc(rport); + break; + + case RPSM_EVENT_PLOGI_COMP: + bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_fcxp_discard(rport->fcxp); + bfa_fcs_rport_hal_online(rport); + break; + + default: + bfa_assert(0); + } +} + + + +/** + * fcs_rport_private FCS RPORT provate functions + */ + +static void +bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_rport_s *rport = rport_cbarg; + struct bfa_fcs_port_s *port = rport->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(rport->fcs, rport->pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, + bfa_fcs_rport_send_plogi, rport); + return; + } + rport->fcxp = fcxp; + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, + (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV); + + rport->stats.plogis++; + bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; + struct fc_logi_s *plogi_rsp; + struct fc_ls_rjt_s *ls_rjt; + struct bfa_fcs_rport_s *twin; + struct list_head *qe; + + bfa_trc(rport->fcs, rport->pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(rport->fcs, req_status); + rport->stats.plogi_failed++; + bfa_sm_send_event(rport, RPSM_EVENT_FAILED); + return; + } + + plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); + + /** + * Check for failure first. + */ + if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(rport->fcs, ls_rjt->reason_code); + bfa_trc(rport->fcs, ls_rjt->reason_code_expl); + + rport->stats.plogi_rejects++; + bfa_sm_send_event(rport, RPSM_EVENT_FAILED); + return; + } + + /** + * PLOGI is complete. Make sure this device is not one of the known + * device with a new FC port address. + */ + list_for_each(qe, &rport->port->rport_q) { + twin = (struct bfa_fcs_rport_s *)qe; + if (twin == rport) + continue; + if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { + bfa_trc(rport->fcs, twin->pid); + bfa_trc(rport->fcs, rport->pid); + + /* + * Update plogi stats in twin + */ + twin->stats.plogis += rport->stats.plogis; + twin->stats.plogi_rejects += rport->stats.plogi_rejects; + twin->stats.plogi_timeouts += + rport->stats.plogi_timeouts; + twin->stats.plogi_failed += rport->stats.plogi_failed; + twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; + twin->stats.plogi_accs++; + + bfa_fcs_rport_delete(rport); + + bfa_fcs_rport_update(twin, plogi_rsp); + twin->pid = rsp_fchs->s_id; + bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); + return; + } + } + + /** + * Normal login path -- no evil twins. + */ + rport->stats.plogi_accs++; + bfa_fcs_rport_update(rport, plogi_rsp); + bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); +} + +static void +bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_rport_s *rport = rport_cbarg; + struct bfa_fcs_port_s *port = rport->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->reply_oxid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, + bfa_fcs_rport_send_plogiacc, rport); + return; + } + rport->fcxp = fcxp; + + len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, + bfa_fcs_port_get_fcid(port), rport->reply_oxid, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); + + bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_rport_s *rport = rport_cbarg; + struct bfa_fcs_port_s *port = rport->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(rport->fcs, rport->pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, + bfa_fcs_rport_send_adisc, rport); + return; + } + rport->fcxp = fcxp; + + len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, + rport, FC_MAX_PDUSZ, FC_RA_TOV); + + rport->stats.adisc_sent++; + bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; + void *pld = bfa_fcxp_get_rspbuf(fcxp); + struct fc_ls_rjt_s *ls_rjt; + + if (req_status != BFA_STATUS_OK) { + bfa_trc(rport->fcs, req_status); + rport->stats.adisc_failed++; + bfa_sm_send_event(rport, RPSM_EVENT_FAILED); + return; + } + + if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, + rport->nwwn) == FC_PARSE_OK) { + rport->stats.adisc_accs++; + bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); + return; + } + + rport->stats.adisc_rejects++; + ls_rjt = pld; + bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); + bfa_trc(rport->fcs, ls_rjt->reason_code); + bfa_trc(rport->fcs, ls_rjt->reason_code_expl); + bfa_sm_send_event(rport, RPSM_EVENT_FAILED); +} + +static void +bfa_fcs_rport_send_gidpn(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_rport_s *rport = rport_cbarg; + struct bfa_fcs_port_s *port = rport->port; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(rport->fcs, rport->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, + bfa_fcs_rport_send_gidpn, rport); + return; + } + rport->fcxp = fcxp; + + len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), 0, rport->pwwn); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_rport_gidpn_response, + (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; + struct bfa_fcs_rport_s *twin; + struct list_head *qe; + struct ct_hdr_s *cthdr; + struct fcgs_gidpn_resp_s *gidpn_rsp; + + bfa_trc(rport->fcs, rport->pwwn); + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + /* + * Check if the pid is the same as before. + */ + gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); + + if (gidpn_rsp->dap == rport->pid) { + /* + * Device is online + */ + bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); + } else { + /* + * Device's PID has changed. We need to cleanup and + * re-login. If there is another device with the the + * newly discovered pid, send an scn notice so that its + * new pid can be discovered. + */ + list_for_each(qe, &rport->port->rport_q) { + twin = (struct bfa_fcs_rport_s *)qe; + if (twin == rport) + continue; + if (gidpn_rsp->dap == twin->pid) { + bfa_trc(rport->fcs, twin->pid); + bfa_trc(rport->fcs, rport->pid); + + twin->pid = 0; + bfa_sm_send_event(twin, + RPSM_EVENT_ADDRESS_CHANGE); + } + } + rport->pid = gidpn_rsp->dap; + bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); + } + return; + } + + /* + * Reject Response + */ + switch (cthdr->reason_code) { + case CT_RSN_LOGICAL_BUSY: + /* + * Need to retry + */ + bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); + break; + + case CT_RSN_UNABLE_TO_PERF: + /* + * device doesn't exist : Start timer to cleanup this later. + */ + bfa_sm_send_event(rport, RPSM_EVENT_FAILED); + break; + + default: + bfa_sm_send_event(rport, RPSM_EVENT_FAILED); + break; + } +} + +/** + * Called to send a logout to the rport. + */ +static void +bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_rport_s *rport = rport_cbarg; + struct bfa_fcs_port_s *port; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + u16 len; + + bfa_trc(rport->fcs, rport->pid); + + port = rport->port; + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, + bfa_fcs_rport_send_logo, rport); + return; + } + rport->fcxp = fcxp; + + len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, + bfa_fcs_port_get_fcid(port), 0, + bfa_fcs_port_get_pwwn(port)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, NULL, rport, FC_MAX_PDUSZ, + FC_ED_TOV); + + rport->stats.logos++; + bfa_fcxp_discard(rport->fcxp); + bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); +} + +/** + * Send ACC for a LOGO received. + */ +static void +bfa_fcs_rport_send_logo_acc(void *rport_cbarg) +{ + struct bfa_fcs_rport_s *rport = rport_cbarg; + struct bfa_fcs_port_s *port; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + u16 len; + + bfa_trc(rport->fcs, rport->pid); + + port = rport->port; + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + rport->stats.logo_rcvd++; + len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, + bfa_fcs_port_get_fcid(port), rport->reply_oxid); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); +} + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] rport - pointer to bfa_fcs_port_ns_t. + * param[out] rport_status - pointer to return vport status in + * + * return + * void + * +* Special Considerations: + * + * note + */ +static void +bfa_fcs_rport_timeout(void *arg) +{ + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)arg; + + rport->stats.plogi_timeouts++; + bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); +} + +static void +bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, + struct fchs_s *rx_fchs, u16 len) +{ + struct bfa_fcxp_s *fcxp; + struct fchs_s fchs; + struct bfa_fcs_port_s *port = rport->port; + struct fc_prli_s *prli; + + bfa_trc(port->fcs, rx_fchs->s_id); + bfa_trc(port->fcs, rx_fchs->d_id); + + rport->stats.prli_rcvd++; + + if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { + /* + * Target Mode : Let the fcptm handle it + */ + bfa_fcs_tin_rx_prli(rport->tin, rx_fchs, len); + return; + } + + /* + * We are either in Initiator or ipfc Mode + */ + prli = (struct fc_prli_s *) (rx_fchs + 1); + + if (prli->parampage.servparams.initiator) { + bfa_trc(rport->fcs, prli->parampage.type); + rport->scsi_function = BFA_RPORT_INITIATOR; + bfa_fcs_itnim_is_initiator(rport->itnim); + } else { + /* + * @todo: PRLI from a target ? + */ + bfa_trc(port->fcs, rx_fchs->s_id); + rport->scsi_function = BFA_RPORT_TARGET; + } + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, + port->port_cfg.roles); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); +} + +static void +bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, + struct fchs_s *rx_fchs, u16 len) +{ + struct bfa_fcxp_s *fcxp; + struct fchs_s fchs; + struct bfa_fcs_port_s *port = rport->port; + struct fc_rpsc_speed_info_s speeds; + struct bfa_pport_attr_s pport_attr; + + bfa_trc(port->fcs, rx_fchs->s_id); + bfa_trc(port->fcs, rx_fchs->d_id); + + rport->stats.rpsc_rcvd++; + speeds.port_speed_cap = + RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | + RPSC_SPEED_CAP_8G; + + /* + * get curent speed from pport attributes from BFA + */ + bfa_pport_get_attr(port->fcs->bfa, &pport_attr); + + speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, + &speeds); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); +} + +static void +bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, + struct fchs_s *rx_fchs, u16 len) +{ + struct bfa_fcxp_s *fcxp; + struct fchs_s fchs; + struct bfa_fcs_port_s *port = rport->port; + struct fc_adisc_s *adisc; + + bfa_trc(port->fcs, rx_fchs->s_id); + bfa_trc(port->fcs, rx_fchs->d_id); + + rport->stats.adisc_rcvd++; + + if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { + /* + * @todo : Target Mode handling + */ + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_assert(0); + return; + } + + adisc = (struct fc_adisc_s *) (rx_fchs + 1); + + /* + * Accept if the itnim for this rport is online. Else reject the ADISC + */ + if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), + rx_fchs->ox_id, port->port_cfg.pwwn, + port->port_cfg.nwwn); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); + } else { + rport->stats.adisc_rejected++; + bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, + FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, + FC_LS_RJT_EXP_LOGIN_REQUIRED); + } + +} + +static void +bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) +{ + struct bfa_fcs_port_s *port = rport->port; + struct bfa_rport_info_s rport_info; + + rport_info.pid = rport->pid; + rport_info.local_pid = port->pid; + rport_info.lp_tag = port->lp_tag; + rport_info.vf_id = port->fabric->vf_id; + rport_info.vf_en = port->fabric->is_vf; + rport_info.fc_class = rport->fc_cos; + rport_info.cisc = rport->cisc; + rport_info.max_frmsz = rport->maxfrsize; + bfa_rport_online(rport->bfa_rport, &rport_info); +} + +static void +bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport) +{ + if (bfa_fcs_port_is_initiator(rport->port)) + bfa_fcs_itnim_pause(rport->itnim); + + if (bfa_fcs_port_is_target(rport->port)) + bfa_fcs_tin_pause(rport->tin); +} + +static void +bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport) +{ + if (bfa_fcs_port_is_initiator(rport->port)) + bfa_fcs_itnim_resume(rport->itnim); + + if (bfa_fcs_port_is_target(rport->port)) + bfa_fcs_tin_resume(rport->tin); +} + +static struct bfa_fcs_rport_s * +bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, wwn_t pwwn, u32 rpid) +{ + struct bfa_fcs_s *fcs = port->fcs; + struct bfa_fcs_rport_s *rport; + struct bfad_rport_s *rport_drv; + + /** + * allocate rport + */ + if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) + != BFA_STATUS_OK) { + bfa_trc(fcs, rpid); + return NULL; + } + + /* + * Initialize r-port + */ + rport->port = port; + rport->fcs = fcs; + rport->rp_drv = rport_drv; + rport->pid = rpid; + rport->pwwn = pwwn; + + /** + * allocate BFA rport + */ + rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); + if (!rport->bfa_rport) { + bfa_trc(fcs, rpid); + kfree(rport_drv); + return NULL; + } + + /** + * allocate FC-4s + */ + bfa_assert(bfa_fcs_port_is_initiator(port) ^ + bfa_fcs_port_is_target(port)); + + if (bfa_fcs_port_is_initiator(port)) { + rport->itnim = bfa_fcs_itnim_create(rport); + if (!rport->itnim) { + bfa_trc(fcs, rpid); + bfa_rport_delete(rport->bfa_rport); + kfree(rport_drv); + return NULL; + } + } + + if (bfa_fcs_port_is_target(port)) { + rport->tin = bfa_fcs_tin_create(rport); + if (!rport->tin) { + bfa_trc(fcs, rpid); + bfa_rport_delete(rport->bfa_rport); + kfree(rport_drv); + return NULL; + } + } + + bfa_fcs_port_add_rport(port, rport); + + bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); + + /* + * Initialize the Rport Features(RPF) Sub Module + */ + if (!BFA_FCS_PID_IS_WKA(rport->pid)) + bfa_fcs_rpf_init(rport); + + return rport; +} + + +static void +bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) +{ + struct bfa_fcs_port_s *port = rport->port; + + /** + * - delete FC-4s + * - delete BFA rport + * - remove from queue of rports + */ + if (bfa_fcs_port_is_initiator(port)) + bfa_fcs_itnim_delete(rport->itnim); + + if (bfa_fcs_port_is_target(port)) + bfa_fcs_tin_delete(rport->tin); + + bfa_rport_delete(rport->bfa_rport); + bfa_fcs_port_del_rport(port, rport); + kfree(rport->rp_drv); +} + +static void +bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, + enum bfa_rport_aen_event event, + struct bfa_rport_aen_data_s *data) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = rport->fcs->logm; + wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port); + wwn_t rpwwn = rport->pwwn; + char lpwwn_ptr[BFA_STRING_32]; + char rpwwn_ptr[BFA_STRING_32]; + char *prio_str[] = { "unknown", "high", "medium", "low" }; + + wwn2str(lpwwn_ptr, lpwwn); + wwn2str(rpwwn_ptr, rpwwn); + + switch (event) { + case BFA_RPORT_AEN_ONLINE: + bfa_log(logmod, BFA_AEN_RPORT_ONLINE, rpwwn_ptr, lpwwn_ptr); + break; + case BFA_RPORT_AEN_OFFLINE: + bfa_log(logmod, BFA_AEN_RPORT_OFFLINE, rpwwn_ptr, lpwwn_ptr); + break; + case BFA_RPORT_AEN_DISCONNECT: + bfa_log(logmod, BFA_AEN_RPORT_DISCONNECT, rpwwn_ptr, lpwwn_ptr); + break; + case BFA_RPORT_AEN_QOS_PRIO: + aen_data.rport.priv.qos = data->priv.qos; + bfa_log(logmod, BFA_AEN_RPORT_QOS_PRIO, + prio_str[aen_data.rport.priv.qos.qos_priority], + rpwwn_ptr, lpwwn_ptr); + break; + case BFA_RPORT_AEN_QOS_FLOWID: + aen_data.rport.priv.qos = data->priv.qos; + bfa_log(logmod, BFA_AEN_RPORT_QOS_FLOWID, + aen_data.rport.priv.qos.qos_flow_id, rpwwn_ptr, + lpwwn_ptr); + break; + default: + break; + } + + aen_data.rport.vf_id = rport->port->fabric->vf_id; + aen_data.rport.ppwwn = + bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(rport->fcs)); + aen_data.rport.lpwwn = lpwwn; + aen_data.rport.rpwwn = rpwwn; +} + +static void +bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) +{ + struct bfa_fcs_port_s *port = rport->port; + + rport->stats.onlines++; + + if (bfa_fcs_port_is_initiator(port)) { + bfa_fcs_itnim_rport_online(rport->itnim); + if (!BFA_FCS_PID_IS_WKA(rport->pid)) + bfa_fcs_rpf_rport_online(rport); + }; + + if (bfa_fcs_port_is_target(port)) + bfa_fcs_tin_rport_online(rport->tin); + + /* + * Don't post events for well known addresses + */ + if (!BFA_FCS_PID_IS_WKA(rport->pid)) + bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL); +} + +static void +bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) +{ + struct bfa_fcs_port_s *port = rport->port; + + rport->stats.offlines++; + + /* + * Don't post events for well known addresses + */ + if (!BFA_FCS_PID_IS_WKA(rport->pid)) { + if (bfa_fcs_port_is_online(rport->port) == BFA_TRUE) { + bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_DISCONNECT, + NULL); + } else { + bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_OFFLINE, + NULL); + } + } + + if (bfa_fcs_port_is_initiator(port)) { + bfa_fcs_itnim_rport_offline(rport->itnim); + if (!BFA_FCS_PID_IS_WKA(rport->pid)) + bfa_fcs_rpf_rport_offline(rport); + } + + if (bfa_fcs_port_is_target(port)) + bfa_fcs_tin_rport_offline(rport->tin); +} + +/** + * Update rport parameters from PLOGI or PLOGI accept. + */ +static void +bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) +{ + struct bfa_fcs_port_s *port = rport->port; + + /** + * - port name + * - node name + */ + rport->pwwn = plogi->port_name; + rport->nwwn = plogi->node_name; + + /** + * - class of service + */ + rport->fc_cos = 0; + if (plogi->class3.class_valid) + rport->fc_cos = FC_CLASS_3; + + if (plogi->class2.class_valid) + rport->fc_cos |= FC_CLASS_2; + + /** + * - CISC + * - MAX receive frame size + */ + rport->cisc = plogi->csp.cisc; + rport->maxfrsize = bfa_os_ntohs(plogi->class3.rxsz); + + bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); + bfa_trc(port->fcs, port->fabric->bb_credit); + /** + * Direct Attach P2P mode : + * This is to handle a bug (233476) in IBM targets in Direct Attach + * Mode. Basically, in FLOGI Accept the target would have erroneously + * set the BB Credit to the value used in the FLOGI sent by the HBA. + * It uses the correct value (its own BB credit) in PLOGI. + */ + if ((!bfa_fcs_fabric_is_switched(port->fabric)) + && (bfa_os_ntohs(plogi->csp.bbcred) < port->fabric->bb_credit)) { + + bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); + bfa_trc(port->fcs, port->fabric->bb_credit); + + port->fabric->bb_credit = bfa_os_ntohs(plogi->csp.bbcred); + bfa_pport_set_tx_bbcredit(port->fcs->bfa, + port->fabric->bb_credit); + } + +} + +/** + * Called to handle LOGO received from an existing remote port. + */ +static void +bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) +{ + rport->reply_oxid = fchs->ox_id; + bfa_trc(rport->fcs, rport->reply_oxid); + + rport->stats.logo_rcvd++; + bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); +} + + + +/** + * fcs_rport_public FCS rport public interfaces + */ + +/** + * Called by bport/vport to create a remote port instance for a discovered + * remote device. + * + * @param[in] port - base port or vport + * @param[in] rpid - remote port ID + * + * @return None + */ +struct bfa_fcs_rport_s * +bfa_fcs_rport_create(struct bfa_fcs_port_s *port, u32 rpid) +{ + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, rpid); + rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); + if (!rport) + return NULL; + + bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); + return rport; +} + +/** + * Called to create a rport for which only the wwn is known. + * + * @param[in] port - base port + * @param[in] rpwwn - remote port wwn + * + * @return None + */ +struct bfa_fcs_rport_s * +bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port, wwn_t rpwwn) +{ + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, rpwwn); + rport = bfa_fcs_rport_alloc(port, rpwwn, 0); + if (!rport) + return NULL; + + bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); + return rport; +} + +/** + * Called by bport in private loop topology to indicate that a + * rport has been discovered and plogi has been completed. + * + * @param[in] port - base port or vport + * @param[in] rpid - remote port ID + */ +void +bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *fchs, + struct fc_logi_s *plogi) +{ + struct bfa_fcs_rport_s *rport; + + rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); + if (!rport) + return; + + bfa_fcs_rport_update(rport, plogi); + + bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); +} + +/** + * Called by bport/vport to handle PLOGI received from a new remote port. + * If an existing rport does a plogi, it will be handled separately. + */ +void +bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port, struct fchs_s *fchs, + struct fc_logi_s *plogi) +{ + struct bfa_fcs_rport_s *rport; + + rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); + if (!rport) + return; + + bfa_fcs_rport_update(rport, plogi); + + rport->reply_oxid = fchs->ox_id; + bfa_trc(rport->fcs, rport->reply_oxid); + + rport->stats.plogi_rcvd++; + bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); +} + +static int +wwn_compare(wwn_t wwn1, wwn_t wwn2) +{ + u8 *b1 = (u8 *) &wwn1; + u8 *b2 = (u8 *) &wwn2; + int i; + + for (i = 0; i < sizeof(wwn_t); i++) { + if (b1[i] < b2[i]) + return -1; + if (b1[i] > b2[i]) + return 1; + } + return 0; +} + +/** + * Called by bport/vport to handle PLOGI received from an existing + * remote port. + */ +void +bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, + struct fc_logi_s *plogi) +{ + /** + * @todo Handle P2P and initiator-initiator. + */ + + bfa_fcs_rport_update(rport, plogi); + + rport->reply_oxid = rx_fchs->ox_id; + bfa_trc(rport->fcs, rport->reply_oxid); + + /** + * In Switched fabric topology, + * PLOGI to each other. If our pwwn is smaller, ignore it, + * if it is not a well known address. + * If the link topology is N2N, + * this Plogi should be accepted. + */ + if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) + && (bfa_fcs_fabric_is_switched(rport->port->fabric)) + && (!BFA_FCS_PID_IS_WKA(rport->pid))) { + bfa_trc(rport->fcs, rport->pid); + return; + } + + rport->stats.plogi_rcvd++; + bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); +} + +/** + * Called by bport/vport to delete a remote port instance. + * +* Rport delete is called under the following conditions: + * - vport is deleted + * - vf is deleted + * - explicit request from OS to delete rport (vmware) + */ +void +bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) +{ + bfa_sm_send_event(rport, RPSM_EVENT_DELETE); +} + +/** + * Called by bport/vport to when a target goes offline. + * + */ +void +bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) +{ + bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); +} + +/** + * Called by bport in n2n when a target (attached port) becomes online. + * + */ +void +bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) +{ + bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); +} + +/** + * Called by bport/vport to notify SCN for the remote port + */ +void +bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) +{ + + rport->stats.rscns++; + bfa_sm_send_event(rport, RPSM_EVENT_SCN); +} + +/** + * Called by fcpim to notify that the ITN cleanup is done. + */ +void +bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) +{ + bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); +} + +/** + * Called by fcptm to notify that the ITN cleanup is done. + */ +void +bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) +{ + bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); +} + +/** + * This routine BFA callback for bfa_rport_online() call. + * + * param[in] cb_arg - rport struct. + * + * return + * void + * +* Special Considerations: + * + * note + */ +void +bfa_cb_rport_online(void *cbarg) +{ + + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; + + bfa_trc(rport->fcs, rport->pwwn); + bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); +} + +/** + * This routine BFA callback for bfa_rport_offline() call. + * + * param[in] rport - + * + * return + * void + * + * Special Considerations: + * + * note + */ +void +bfa_cb_rport_offline(void *cbarg) +{ + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; + + bfa_trc(rport->fcs, rport->pwwn); + bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); +} + +/** + * This routine is a static BFA callback when there is a QoS flow_id + * change notification + * + * @param[in] rport - + * + * @return void + * + * Special Considerations: + * + * @note + */ +void +bfa_cb_rport_qos_scn_flowid(void *cbarg, + struct bfa_rport_qos_attr_s old_qos_attr, + struct bfa_rport_qos_attr_s new_qos_attr) +{ + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; + struct bfa_rport_aen_data_s aen_data; + + bfa_trc(rport->fcs, rport->pwwn); + aen_data.priv.qos = new_qos_attr; + bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); +} + +/** + * This routine is a static BFA callback when there is a QoS priority + * change notification + * + * @param[in] rport - + * + * @return void + * + * Special Considerations: + * + * @note + */ +void +bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, + struct bfa_rport_qos_attr_s new_qos_attr) +{ + struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; + struct bfa_rport_aen_data_s aen_data; + + bfa_trc(rport->fcs, rport->pwwn); + aen_data.priv.qos = new_qos_attr; + bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); +} + +/** + * Called to process any unsolicted frames from this remote port + */ +void +bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) +{ + bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); +} + +/** + * Called to process any unsolicted frames from this remote port + */ +void +bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, + u16 len) +{ + struct bfa_fcs_port_s *port = rport->port; + struct fc_els_cmd_s *els_cmd; + + bfa_trc(rport->fcs, fchs->s_id); + bfa_trc(rport->fcs, fchs->d_id); + bfa_trc(rport->fcs, fchs->type); + + if (fchs->type != FC_TYPE_ELS) + return; + + els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + bfa_trc(rport->fcs, els_cmd->els_code); + + switch (els_cmd->els_code) { + case FC_ELS_LOGO: + bfa_fcs_rport_process_logo(rport, fchs); + break; + + case FC_ELS_ADISC: + bfa_fcs_rport_process_adisc(rport, fchs, len); + break; + + case FC_ELS_PRLO: + if (bfa_fcs_port_is_initiator(port)) + bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); + + if (bfa_fcs_port_is_target(port)) + bfa_fcs_fcptm_uf_recv(rport->tin, fchs, len); + break; + + case FC_ELS_PRLI: + bfa_fcs_rport_process_prli(rport, fchs, len); + break; + + case FC_ELS_RPSC: + bfa_fcs_rport_process_rpsc(rport, fchs, len); + break; + + default: + bfa_fcs_rport_send_ls_rjt(rport, fchs, + FC_LS_RJT_RSN_CMD_NOT_SUPP, + FC_LS_RJT_EXP_NO_ADDL_INFO); + break; + } +} + +/* + * Send a LS reject + */ +static void +bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, + u8 reason_code, u8 reason_code_expl) +{ + struct bfa_fcs_port_s *port = rport->port; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(rport->fcs, rx_fchs->s_id); + + fcxp = bfa_fcs_fcxp_alloc(rport->fcs); + if (!fcxp) + return; + + len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, + reason_code, reason_code_expl); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); +} + +/** + * Module initialization + */ +void +bfa_fcs_rport_modinit(struct bfa_fcs_s *fcs) +{ +} + +/** + * Module cleanup + */ +void +bfa_fcs_rport_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} + +/** + * Return state of rport. + */ +int +bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) +{ + return bfa_sm_to_state(rport_sm_table, rport->sm); +} + +/** + * Called by the Driver to set rport delete/ageout timeout + * + * param[in] rport timeout value in seconds. + * + * return None + */ +void +bfa_fcs_rport_set_del_timeout(u8 rport_tmo) +{ + /* + * convert to Millisecs + */ + if (rport_tmo > 0) + bfa_fcs_rport_del_timeout = rport_tmo * 1000; +} diff --git a/drivers/scsi/bfa/rport_api.c b/drivers/scsi/bfa/rport_api.c new file mode 100644 index 000000000000..3dae1774181e --- /dev/null +++ b/drivers/scsi/bfa/rport_api.c @@ -0,0 +1,180 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_vport.h" +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" + +BFA_TRC_FILE(FCS, RPORT_API); + +/** + * rport_api.c Remote port implementation. + */ + +/** + * fcs_rport_api FCS rport API. + */ + +/** + * Direct API to add a target by port wwn. This interface is used, for + * example, by bios when target pwwn is known from boot lun configuration. + */ +bfa_status_t +bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn, + struct bfa_fcs_rport_s *rport, + struct bfad_rport_s *rport_drv) +{ + bfa_trc(port->fcs, *pwwn); + + return BFA_STATUS_OK; +} + +/** + * Direct API to remove a target and its associated resources. This + * interface is used, for example, by vmware driver to remove target + * ports from the target list for a VM. + */ +bfa_status_t +bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in) +{ + + struct bfa_fcs_rport_s *rport; + + bfa_trc(rport_in->fcs, rport_in->pwwn); + + rport = bfa_fcs_port_get_rport_by_pwwn(rport_in->port, rport_in->pwwn); + if (rport == NULL) { + /* + * TBD Error handling + */ + bfa_trc(rport_in->fcs, rport_in->pid); + return BFA_STATUS_UNKNOWN_RWWN; + } + + /* + * TBD if this remote port is online, send a logo + */ + return BFA_STATUS_OK; + +} + +/** + * Remote device status for display/debug. + */ +void +bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, + struct bfa_rport_attr_s *rport_attr) +{ + struct bfa_rport_qos_attr_s qos_attr; + struct bfa_fcs_port_s *port = rport->port; + + bfa_os_memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); + + rport_attr->pid = rport->pid; + rport_attr->pwwn = rport->pwwn; + rport_attr->nwwn = rport->nwwn; + rport_attr->cos_supported = rport->fc_cos; + rport_attr->df_sz = rport->maxfrsize; + rport_attr->state = bfa_fcs_rport_get_state(rport); + rport_attr->fc_cos = rport->fc_cos; + rport_attr->cisc = rport->cisc; + rport_attr->scsi_function = rport->scsi_function; + rport_attr->curr_speed = rport->rpf.rpsc_speed; + rport_attr->assigned_speed = rport->rpf.assigned_speed; + + bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr); + rport_attr->qos_attr = qos_attr; + + rport_attr->trl_enforced = BFA_FALSE; + if (bfa_pport_is_ratelim(port->fcs->bfa)) { + if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) || + (rport->rpf.rpsc_speed < + bfa_fcs_port_get_rport_max_speed(port))) + rport_attr->trl_enforced = BFA_TRUE; + } + + /* + * TODO + * rport->symname + */ +} + +/** + * Per remote device statistics. + */ +void +bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, + struct bfa_rport_stats_s *stats) +{ + *stats = rport->stats; +} + +void +bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport) +{ + bfa_os_memset((char *)&rport->stats, 0, + sizeof(struct bfa_rport_stats_s)); +} + +struct bfa_fcs_rport_s * +bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn) +{ + struct bfa_fcs_rport_s *rport; + + rport = bfa_fcs_port_get_rport_by_pwwn(port, rpwwn); + if (rport == NULL) { + /* + * TBD Error handling + */ + } + + return rport; +} + +struct bfa_fcs_rport_s * +bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_port_s *port, wwn_t rnwwn) +{ + struct bfa_fcs_rport_s *rport; + + rport = bfa_fcs_port_get_rport_by_nwwn(port, rnwwn); + if (rport == NULL) { + /* + * TBD Error handling + */ + } + + return rport; +} + +/* + * This API is to set the Rport's speed. Should be used when RPSC is not + * supported by the rport. + */ +void +bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, + enum bfa_pport_speed speed) +{ + rport->rpf.assigned_speed = speed; + + /* Set this speed in f/w only if the RPSC speed is not available */ + if (rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) + bfa_rport_speed(rport->bfa_rport, speed); +} + + diff --git a/drivers/scsi/bfa/rport_ftrs.c b/drivers/scsi/bfa/rport_ftrs.c new file mode 100644 index 000000000000..8a1f59d596c1 --- /dev/null +++ b/drivers/scsi/bfa/rport_ftrs.c @@ -0,0 +1,375 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * rport_ftrs.c Remote port features (RPF) implementation. + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include "fcbuild.h" +#include "fcs_rport.h" +#include "fcs_lport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs.h" + +BFA_TRC_FILE(FCS, RPORT_FTRS); + +#define BFA_FCS_RPF_RETRIES (3) +#define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ + +static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_rpf_timeout(void *arg); + +/** + * fcs_rport_ftrs_sm FCS rport state machine events + */ + +enum rpf_event { + RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ + RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ + RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ + RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ + RPFSM_EVENT_RPSC_COMP = 5, + RPFSM_EVENT_RPSC_FAIL = 6, + RPFSM_EVENT_RPSC_ERROR = 7, +}; + +static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, + enum rpf_event event); +static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, + enum rpf_event event); +static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, + enum rpf_event event); +static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, + enum rpf_event event); +static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, + enum rpf_event event); +static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, + enum rpf_event event); + +static void +bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) +{ + struct bfa_fcs_rport_s *rport = rpf->rport; + + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPFSM_EVENT_RPORT_ONLINE : + if (!BFA_FCS_PID_IS_WKA(rport->pid)) { + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); + rpf->rpsc_retries = 0; + bfa_fcs_rpf_send_rpsc2(rpf, NULL); + break; + }; + + case RPFSM_EVENT_RPORT_OFFLINE : + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) +{ + struct bfa_fcs_rport_s *rport = rpf->rport; + + bfa_trc(rport->fcs, event); + + switch (event) { + case RPFSM_EVENT_FCXP_SENT: + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); + break; + + case RPFSM_EVENT_RPORT_OFFLINE : + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); + bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); + rpf->rpsc_retries = 0; + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) +{ + struct bfa_fcs_rport_s *rport = rpf->rport; + + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPFSM_EVENT_RPSC_COMP: + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); + /* Update speed info in f/w via BFA */ + if (rpf->rpsc_speed != BFA_PPORT_SPEED_UNKNOWN) { + bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); + } else if (rpf->assigned_speed != BFA_PPORT_SPEED_UNKNOWN) { + bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); + } + break; + + case RPFSM_EVENT_RPSC_FAIL: + /* RPSC not supported by rport */ + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); + break; + + case RPFSM_EVENT_RPSC_ERROR: + /* need to retry...delayed a bit. */ + if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { + bfa_timer_start(rport->fcs->bfa, &rpf->timer, + bfa_fcs_rpf_timeout, rpf, + BFA_FCS_RPF_RETRY_TIMEOUT); + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); + } else { + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); + } + break; + + case RPFSM_EVENT_RPORT_OFFLINE : + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); + bfa_fcxp_discard(rpf->fcxp); + rpf->rpsc_retries = 0; + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) +{ + struct bfa_fcs_rport_s *rport = rpf->rport; + + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPFSM_EVENT_TIMEOUT : + /* re-send the RPSC */ + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); + bfa_fcs_rpf_send_rpsc2(rpf, NULL); + break; + + case RPFSM_EVENT_RPORT_OFFLINE : + bfa_timer_stop(&rpf->timer); + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); + rpf->rpsc_retries = 0; + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) +{ + struct bfa_fcs_rport_s *rport = rpf->rport; + + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPFSM_EVENT_RPORT_OFFLINE : + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); + rpf->rpsc_retries = 0; + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) +{ + struct bfa_fcs_rport_s *rport = rpf->rport; + + bfa_trc(rport->fcs, rport->pwwn); + bfa_trc(rport->fcs, rport->pid); + bfa_trc(rport->fcs, event); + + switch (event) { + case RPFSM_EVENT_RPORT_ONLINE : + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); + bfa_fcs_rpf_send_rpsc2(rpf, NULL); + break; + + case RPFSM_EVENT_RPORT_OFFLINE : + break; + + default: + bfa_assert(0); + } +} +/** + * Called when Rport is created. + */ +void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) +{ + struct bfa_fcs_rpf_s *rpf = &rport->rpf; + + bfa_trc(rport->fcs, rport->pid); + rpf->rport = rport; + + bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); +} + +/** + * Called when Rport becomes online + */ +void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) +{ + bfa_trc(rport->fcs, rport->pid); + + if (__fcs_min_cfg(rport->port->fcs)) + return; + + if (bfa_fcs_fabric_is_switched(rport->port->fabric)) + bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); +} + +/** + * Called when Rport becomes offline + */ +void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) +{ + bfa_trc(rport->fcs, rport->pid); + + if (__fcs_min_cfg(rport->port->fcs)) + return; + + bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); +} + +static void +bfa_fcs_rpf_timeout(void *arg) +{ + struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; + struct bfa_fcs_rport_s *rport = rpf->rport; + + bfa_trc(rport->fcs, rport->pid); + bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); +} + +static void +bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; + struct bfa_fcs_rport_s *rport = rpf->rport; + struct bfa_fcs_port_s *port = rport->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(rport->fcs, rport->pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, + bfa_fcs_rpf_send_rpsc2, rpf); + return; + } + rpf->fcxp = fcxp; + + len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, + bfa_fcs_port_get_fcid(port), &rport->pid, 1); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, + rpf, FC_MAX_PDUSZ, FC_RA_TOV); + rport->stats.rpsc_sent++; + bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); + +} + +static void +bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; + struct bfa_fcs_rport_s *rport = rpf->rport; + struct fc_ls_rjt_s *ls_rjt; + struct fc_rpsc2_acc_s *rpsc2_acc; + u16 num_ents; + + bfa_trc(rport->fcs, req_status); + + if (req_status != BFA_STATUS_OK) { + bfa_trc(rport->fcs, req_status); + if (req_status == BFA_STATUS_ETIMER) + rport->stats.rpsc_failed++; + bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); + return; + } + + rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); + if (rpsc2_acc->els_cmd == FC_ELS_ACC) { + rport->stats.rpsc_accs++; + num_ents = bfa_os_ntohs(rpsc2_acc->num_pids); + bfa_trc(rport->fcs, num_ents); + if (num_ents > 0) { + bfa_assert(rpsc2_acc->port_info[0].pid != rport->pid); + bfa_trc(rport->fcs, + bfa_os_ntohs(rpsc2_acc->port_info[0].pid)); + bfa_trc(rport->fcs, + bfa_os_ntohs(rpsc2_acc->port_info[0].speed)); + bfa_trc(rport->fcs, + bfa_os_ntohs(rpsc2_acc->port_info[0].index)); + bfa_trc(rport->fcs, + rpsc2_acc->port_info[0].type); + + if (rpsc2_acc->port_info[0].speed == 0) { + bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); + return; + } + + rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( + bfa_os_ntohs(rpsc2_acc->port_info[0].speed)); + + bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); + } + } else { + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + bfa_trc(rport->fcs, ls_rjt->reason_code); + bfa_trc(rport->fcs, ls_rjt->reason_code_expl); + rport->stats.rpsc_rejects++; + if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) { + bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); + } else { + bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); + } + } +} diff --git a/drivers/scsi/bfa/scn.c b/drivers/scsi/bfa/scn.c new file mode 100644 index 000000000000..bd4771ff62c8 --- /dev/null +++ b/drivers/scsi/bfa/scn.c @@ -0,0 +1,482 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_ms.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, SCN); + +#define FC_QOS_RSCN_EVENT 0x0c +#define FC_FABRIC_NAME_RSCN_EVENT 0x0d + +/* + * forward declarations + */ +static void bfa_fcs_port_scn_send_scr(void *scn_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_scn_scr_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_scn_send_ls_acc(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs); +static void bfa_fcs_port_scn_timeout(void *arg); + +/** + * fcs_scm_sm FCS SCN state machine + */ + +/** + * VPort SCN State Machine events + */ +enum port_scn_event { + SCNSM_EVENT_PORT_ONLINE = 1, + SCNSM_EVENT_PORT_OFFLINE = 2, + SCNSM_EVENT_RSP_OK = 3, + SCNSM_EVENT_RSP_ERROR = 4, + SCNSM_EVENT_TIMEOUT = 5, + SCNSM_EVENT_SCR_SENT = 6, +}; + +static void bfa_fcs_port_scn_sm_offline(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_port_scn_sm_sending_scr(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_port_scn_sm_scr(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_port_scn_sm_scr_retry(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_port_scn_sm_online(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event); + +/** + * Starting state - awaiting link up. + */ +static void +bfa_fcs_port_scn_sm_offline(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_PORT_ONLINE: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_sending_scr); + bfa_fcs_port_scn_send_scr(scn, NULL); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_scn_sm_sending_scr(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_SCR_SENT: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_scr); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_offline); + bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_scn_sm_scr(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event) +{ + struct bfa_fcs_port_s *port = scn->port; + + switch (event) { + case SCNSM_EVENT_RSP_OK: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_online); + break; + + case SCNSM_EVENT_RSP_ERROR: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_scr_retry); + bfa_timer_start(port->fcs->bfa, &scn->timer, + bfa_fcs_port_scn_timeout, scn, + BFA_FCS_RETRY_TIMEOUT); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_offline); + bfa_fcxp_discard(scn->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_scn_sm_scr_retry(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_TIMEOUT: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_sending_scr); + bfa_fcs_port_scn_send_scr(scn, NULL); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_offline); + bfa_timer_stop(&scn->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_scn_sm_online(struct bfa_fcs_port_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_offline); + break; + + default: + bfa_assert(0); + } +} + + + +/** + * fcs_scn_private FCS SCN private functions + */ + +/** + * This routine will be called to send a SCR command. + */ +static void +bfa_fcs_port_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_scn_s *scn = scn_cbarg; + struct bfa_fcs_port_s *port = scn->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe, + bfa_fcs_port_scn_send_scr, scn); + return; + } + scn->fcxp = fcxp; + + /* + * Handle VU registrations for Base port only + */ + if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) { + len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_lps_is_brcd_fabric(port->fabric->lps), + port->pid, 0); + } else { + len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), BFA_FALSE, + port->pid, 0); + } + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_scn_scr_response, + (void *)scn, FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT); +} + +static void +bfa_fcs_port_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_scn_s *scn = (struct bfa_fcs_port_scn_s *)cbarg; + struct bfa_fcs_port_s *port = scn->port; + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); + break; + + default: + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); + } +} + +/* + * Send a LS Accept + */ +static void +bfa_fcs_port_scn_send_ls_acc(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + int len; + + bfa_trc(port->fcs, rx_fchs->s_id); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); +} + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] vport - pointer to bfa_fcs_port_t. + * param[out] vport_status - pointer to return vport status in + * + * return + * void + * +* Special Considerations: + * + * note + */ +static void +bfa_fcs_port_scn_timeout(void *arg) +{ + struct bfa_fcs_port_scn_s *scn = (struct bfa_fcs_port_scn_s *)arg; + + bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT); +} + + + +/** + * fcs_scn_public FCS state change notification public interfaces + */ + +/* + * Functions called by port/fab + */ +void +bfa_fcs_port_scn_init(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); + + scn->port = port; + bfa_sm_set_state(scn, bfa_fcs_port_scn_sm_offline); +} + +void +bfa_fcs_port_scn_offline(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); + + scn->port = port; + bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_port_scn_online(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); + + scn->port = port; + bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE); +} + +static void +bfa_fcs_port_scn_portid_rscn(struct bfa_fcs_port_s *port, u32 rpid) +{ + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, rpid); + + /** + * If this is an unknown device, then it just came online. + * Otherwise let rport handle the RSCN event. + */ + rport = bfa_fcs_port_get_rport_by_pid(port, rpid); + if (rport == NULL) { + /* + * If min cfg mode is enabled, we donot need to + * discover any new rports. + */ + if (!__fcs_min_cfg(port->fcs)) + rport = bfa_fcs_rport_create(port, rpid); + } else { + bfa_fcs_rport_scn(rport); + } +} + +/** + * rscn format based PID comparison + */ +#define __fc_pid_match(__c0, __c1, __fmt) \ + (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \ + (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \ + ((__c0)[0] == (__c1)[0])) || \ + (((__fmt) == FC_RSCN_FORMAT_AREA) && \ + ((__c0)[0] == (__c1)[0]) && \ + ((__c0)[1] == (__c1)[1]))) + +static void +bfa_fcs_port_scn_multiport_rscn(struct bfa_fcs_port_s *port, + enum fc_rscn_format format, u32 rscn_pid) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe, *qe_next; + u8 *c0, *c1; + + bfa_trc(port->fcs, format); + bfa_trc(port->fcs, rscn_pid); + + c0 = (u8 *) &rscn_pid; + + list_for_each_safe(qe, qe_next, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + c1 = (u8 *) &rport->pid; + if (__fc_pid_match(c0, c1, format)) + bfa_fcs_rport_scn(rport); + } +} + +void +bfa_fcs_port_scn_process_rscn(struct bfa_fcs_port_s *port, struct fchs_s *fchs, + u32 len) +{ + struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1); + int num_entries; + u32 rscn_pid; + bfa_boolean_t nsquery = BFA_FALSE; + int i = 0; + + num_entries = + (bfa_os_ntohs(rscn->payldlen) - + sizeof(u32)) / sizeof(rscn->event[0]); + + bfa_trc(port->fcs, num_entries); + + port->stats.num_rscn++; + + bfa_fcs_port_scn_send_ls_acc(port, fchs); + + for (i = 0; i < num_entries; i++) { + rscn_pid = rscn->event[i].portid; + + bfa_trc(port->fcs, rscn->event[i].format); + bfa_trc(port->fcs, rscn_pid); + + switch (rscn->event[i].format) { + case FC_RSCN_FORMAT_PORTID: + if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) { + /* + * Ignore this event. f/w would have processed + * it + */ + bfa_trc(port->fcs, rscn_pid); + } else { + port->stats.num_portid_rscn++; + bfa_fcs_port_scn_portid_rscn(port, rscn_pid); + } + break; + + case FC_RSCN_FORMAT_FABRIC: + if (rscn->event[i].qualifier == + FC_FABRIC_NAME_RSCN_EVENT) { + bfa_fcs_port_ms_fabric_rscn(port); + break; + } + /* + * !!!!!!!!! Fall Through !!!!!!!!!!!!! + */ + + case FC_RSCN_FORMAT_AREA: + case FC_RSCN_FORMAT_DOMAIN: + nsquery = BFA_TRUE; + bfa_fcs_port_scn_multiport_rscn(port, + rscn->event[i].format, + rscn_pid); + break; + + default: + bfa_assert(0); + nsquery = BFA_TRUE; + } + } + + /** + * If any of area, domain or fabric RSCN is received, do a fresh discovery + * to find new devices. + */ + if (nsquery) + bfa_fcs_port_ns_query(port); +} + + diff --git a/drivers/scsi/bfa/vfapi.c b/drivers/scsi/bfa/vfapi.c new file mode 100644 index 000000000000..31d81fe2fc48 --- /dev/null +++ b/drivers/scsi/bfa/vfapi.c @@ -0,0 +1,292 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * vfapi.c Fabric module implementation. + */ + +#include "fcs_fabric.h" +#include "fcs_trcmod.h" + +BFA_TRC_FILE(FCS, VFAPI); + +/** + * fcs_vf_api virtual fabrics API + */ + +/** + * Enable VF mode. + * + * @param[in] fcs fcs module instance + * @param[in] vf_id default vf_id of port, FC_VF_ID_NULL + * to use standard default vf_id of 1. + * + * @retval BFA_STATUS_OK vf mode is enabled + * @retval BFA_STATUS_BUSY Port is active. Port must be disabled + * before VF mode can be enabled. + */ +bfa_status_t +bfa_fcs_vf_mode_enable(struct bfa_fcs_s *fcs, u16 vf_id) +{ + return BFA_STATUS_OK; +} + +/** + * Disable VF mode. + * + * @param[in] fcs fcs module instance + * + * @retval BFA_STATUS_OK vf mode is disabled + * @retval BFA_STATUS_BUSY VFs are present and being used. All + * VFs must be deleted before disabling + * VF mode. + */ +bfa_status_t +bfa_fcs_vf_mode_disable(struct bfa_fcs_s *fcs) +{ + return BFA_STATUS_OK; +} + +/** + * Create a new VF instance. + * + * A new VF is created using the given VF configuration. A VF is identified + * by VF id. No duplicate VF creation is allowed with the same VF id. Once + * a VF is created, VF is automatically started after link initialization + * and EVFP exchange is completed. + * + * param[in] vf - FCS vf data structure. Memory is + * allocated by caller (driver) + * param[in] fcs - FCS module + * param[in] vf_cfg - VF configuration + * param[in] vf_drv - Opaque handle back to the driver's + * virtual vf structure + * + * retval BFA_STATUS_OK VF creation is successful + * retval BFA_STATUS_FAILED VF creation failed + * retval BFA_STATUS_EEXIST A VF exists with the given vf_id + */ +bfa_status_t +bfa_fcs_vf_create(bfa_fcs_vf_t *vf, struct bfa_fcs_s *fcs, u16 vf_id, + struct bfa_port_cfg_s *port_cfg, struct bfad_vf_s *vf_drv) +{ + bfa_trc(fcs, vf_id); + return BFA_STATUS_OK; +} + +/** + * Use this function to delete a BFA VF object. VF object should + * be stopped before this function call. + * + * param[in] vf - pointer to bfa_vf_t. + * + * retval BFA_STATUS_OK On vf deletion success + * retval BFA_STATUS_BUSY VF is not in a stopped state + * retval BFA_STATUS_INPROGRESS VF deletion in in progress + */ +bfa_status_t +bfa_fcs_vf_delete(bfa_fcs_vf_t *vf) +{ + bfa_trc(vf->fcs, vf->vf_id); + return BFA_STATUS_OK; +} + +/** + * Start participation in VF. This triggers login to the virtual fabric. + * + * param[in] vf - pointer to bfa_vf_t. + * + * return None + */ +void +bfa_fcs_vf_start(bfa_fcs_vf_t *vf) +{ + bfa_trc(vf->fcs, vf->vf_id); +} + +/** + * Logout with the virtual fabric. + * + * param[in] vf - pointer to bfa_vf_t. + * + * retval BFA_STATUS_OK On success. + * retval BFA_STATUS_INPROGRESS VF is being stopped. + */ +bfa_status_t +bfa_fcs_vf_stop(bfa_fcs_vf_t *vf) +{ + bfa_trc(vf->fcs, vf->vf_id); + return BFA_STATUS_OK; +} + +/** + * Returns attributes of the given VF. + * + * param[in] vf pointer to bfa_vf_t. + * param[out] vf_attr vf attributes returned + * + * return None + */ +void +bfa_fcs_vf_get_attr(bfa_fcs_vf_t *vf, struct bfa_vf_attr_s *vf_attr) +{ + bfa_trc(vf->fcs, vf->vf_id); +} + +/** + * Return statistics associated with the given vf. + * + * param[in] vf pointer to bfa_vf_t. + * param[out] vf_stats vf statistics returned + * + * @return None + */ +void +bfa_fcs_vf_get_stats(bfa_fcs_vf_t *vf, struct bfa_vf_stats_s *vf_stats) +{ + bfa_os_memcpy(vf_stats, &vf->stats, sizeof(struct bfa_vf_stats_s)); + return; +} + +void +/** + * clear statistics associated with the given vf. + * + * param[in] vf pointer to bfa_vf_t. + * + * @return None + */ +bfa_fcs_vf_clear_stats(bfa_fcs_vf_t *vf) +{ + bfa_os_memset(&vf->stats, 0, sizeof(struct bfa_vf_stats_s)); + return; +} + +/** + * Returns FCS vf structure for a given vf_id. + * + * param[in] vf_id - VF_ID + * + * return + * If lookup succeeds, retuns fcs vf object, otherwise returns NULL + */ +bfa_fcs_vf_t * +bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id) +{ + bfa_trc(fcs, vf_id); + if (vf_id == FC_VF_ID_NULL) + return (&fcs->fabric); + + /** + * @todo vf support + */ + + return NULL; +} + +/** + * Returns driver VF structure for a given FCS vf. + * + * param[in] vf - pointer to bfa_vf_t + * + * return Driver VF structure + */ +struct bfad_vf_s * +bfa_fcs_vf_get_drv_vf(bfa_fcs_vf_t *vf) +{ + bfa_assert(vf); + bfa_trc(vf->fcs, vf->vf_id); + return vf->vf_drv; +} + +/** + * Return the list of VFs configured. + * + * param[in] fcs fcs module instance + * param[out] vf_ids returned list of vf_ids + * param[in,out] nvfs in:size of vf_ids array, + * out:total elements present, + * actual elements returned is limited by the size + * + * return Driver VF structure + */ +void +bfa_fcs_vf_list(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs) +{ + bfa_trc(fcs, *nvfs); +} + +/** + * Return the list of all VFs visible from fabric. + * + * param[in] fcs fcs module instance + * param[out] vf_ids returned list of vf_ids + * param[in,out] nvfs in:size of vf_ids array, + * out:total elements present, + * actual elements returned is limited by the size + * + * return Driver VF structure + */ +void +bfa_fcs_vf_list_all(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs) +{ + bfa_trc(fcs, *nvfs); +} + +/** + * Return the list of local logical ports present in the given VF. + * + * param[in] vf vf for which logical ports are returned + * param[out] lpwwn returned logical port wwn list + * param[in,out] nlports in:size of lpwwn list; + * out:total elements present, + * actual elements returned is limited by the size + * + */ +void +bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t lpwwn[], int *nlports) +{ + struct list_head *qe; + struct bfa_fcs_vport_s *vport; + int i; + struct bfa_fcs_s *fcs; + + if (vf == NULL || lpwwn == NULL || *nlports == 0) + return; + + fcs = vf->fcs; + + bfa_trc(fcs, vf->vf_id); + bfa_trc(fcs, (u32) *nlports); + + i = 0; + lpwwn[i++] = vf->bport.port_cfg.pwwn; + + list_for_each(qe, &vf->vport_q) { + if (i >= *nlports) + break; + + vport = (struct bfa_fcs_vport_s *) qe; + lpwwn[i++] = vport->lport.port_cfg.pwwn; + } + + bfa_trc(fcs, i); + *nlports = i; + return; +} + + diff --git a/drivers/scsi/bfa/vport.c b/drivers/scsi/bfa/vport.c new file mode 100644 index 000000000000..c10af06c5714 --- /dev/null +++ b/drivers/scsi/bfa/vport.c @@ -0,0 +1,891 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_vport.c FCS virtual port state machine + */ + +#include <bfa.h> +#include <bfa_svc.h> +#include <fcbuild.h> +#include "fcs_fabric.h" +#include "fcs_lport.h" +#include "fcs_vport.h" +#include "fcs_trcmod.h" +#include "fcs.h" +#include <aen/bfa_aen_lport.h> + +BFA_TRC_FILE(FCS, VPORT); + +#define __vport_fcs(__vp) (__vp)->lport.fcs +#define __vport_pwwn(__vp) (__vp)->lport.port_cfg.pwwn +#define __vport_nwwn(__vp) (__vp)->lport.port_cfg.nwwn +#define __vport_bfa(__vp) (__vp)->lport.fcs->bfa +#define __vport_fcid(__vp) (__vp)->lport.pid +#define __vport_fabric(__vp) (__vp)->lport.fabric +#define __vport_vfid(__vp) (__vp)->lport.fabric->vf_id + +#define BFA_FCS_VPORT_MAX_RETRIES 5 +/* + * Forward declarations + */ +static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport); +static void bfa_fcs_vport_timeout(void *vport_arg); +static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport); +static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport); + +/** + * fcs_vport_sm FCS virtual port state machine + */ + +/** + * VPort State Machine events + */ +enum bfa_fcs_vport_event { + BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */ + BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */ + BFA_FCS_VPORT_SM_START = 3, /* vport start request */ + BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */ + BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */ + BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */ + BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */ + BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */ + BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */ + BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */ + BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */ + BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error */ + BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */ +}; + +static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); + +static struct bfa_sm_table_s vport_sm_table[] = { + {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT}, + {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED}, + {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE}, + {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC}, + {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY}, + {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE}, + {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING}, + {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP}, + {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO}, + {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR} +}; + +/** + * Beginning state. + */ +static void +bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_CREATE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_created); + bfa_fcs_fabric_addvport(__vport_fabric(vport), vport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Created state - a start event is required to start up the state machine. + */ +static void +bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_START: + if (bfa_fcs_fabric_is_online(__vport_fabric(vport)) + && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) { + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); + bfa_fcs_vport_do_fdisc(vport); + } else { + /** + * Fabric is offline or not NPIV capable, stay in + * offline state. + */ + vport->vport_stats.fab_no_npiv++; + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + } + break; + + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_fcs_port_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_ONLINE: + case BFA_FCS_VPORT_SM_OFFLINE: + /** + * Ignore ONLINE/OFFLINE events from fabric till vport is started. + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * Offline state - awaiting ONLINE event from fabric SM. + */ +static void +bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_fcs_port_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_ONLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); + vport->fdisc_retries = 0; + bfa_fcs_vport_do_fdisc(vport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + /* + * This can happen if the vport couldn't be initialzied due + * the fact that the npiv was not enabled on the switch. In + * that case we will put the vport in offline state. However, + * the link can go down and cause the this event to be sent when + * we are already offline. Ignore it. + */ + break; + + default: + bfa_assert(0); + } +} + +/** + * FDISC is sent and awaiting reply from fabric. + */ +static void +bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo); + bfa_lps_discard(vport->lps); + bfa_fcs_vport_do_logo(vport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + bfa_lps_discard(vport->lps); + break; + + case BFA_FCS_VPORT_SM_RSP_OK: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_online); + bfa_fcs_port_online(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_RSP_ERROR: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry); + bfa_timer_start(__vport_bfa(vport), &vport->timer, + bfa_fcs_vport_timeout, vport, + BFA_FCS_RETRY_TIMEOUT); + break; + + case BFA_FCS_VPORT_SM_RSP_FAILED: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + break; + + case BFA_FCS_VPORT_SM_RSP_DUP_WWN: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_error); + break; + + default: + bfa_assert(0); + } +} + +/** + * FDISC attempt failed - a timer is active to retry FDISC. + */ +static void +bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_timer_stop(&vport->timer); + bfa_fcs_port_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + bfa_timer_stop(&vport->timer); + break; + + case BFA_FCS_VPORT_SM_TIMEOUT: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); + vport->vport_stats.fdisc_retries++; + vport->fdisc_retries++; + bfa_fcs_vport_do_fdisc(vport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Vport is online (FDISC is complete). + */ +static void +bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting); + bfa_fcs_port_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + bfa_lps_discard(vport->lps); + bfa_fcs_port_offline(&vport->lport); + break; + + default: + bfa_assert(0); + } +} + +/** + * Vport is being deleted - awaiting lport delete completion to send + * LOGO to fabric. + */ +static void +bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + break; + + case BFA_FCS_VPORT_SM_DELCOMP: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo); + bfa_fcs_vport_do_logo(vport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + break; + + default: + bfa_assert(0); + } +} + +/** + * Error State. + * This state will be set when the Vport Creation fails due to errors like + * Dup WWN. In this state only operation allowed is a Vport Delete. + */ +static void +bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); + bfa_fcs_vport_free(vport); + break; + + default: + bfa_trc(__vport_fcs(vport), event); + } +} + +/** + * Lport cleanup is in progress since vport is being deleted. Fabric is + * offline, so no LOGO is needed to complete vport deletion. + */ +static void +bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELCOMP: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); + bfa_fcs_vport_free(vport); + break; + + case BFA_FCS_VPORT_SM_DELETE: + break; + + default: + bfa_assert(0); + } +} + +/** + * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup + * is done. + */ +static void +bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_lps_discard(vport->lps); + /* + * !!! fall through !!! + */ + + case BFA_FCS_VPORT_SM_RSP_OK: + case BFA_FCS_VPORT_SM_RSP_ERROR: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); + bfa_fcs_vport_free(vport); + break; + + case BFA_FCS_VPORT_SM_DELETE: + break; + + default: + bfa_assert(0); + } +} + + + +/** + * fcs_vport_private FCS virtual port private functions + */ + +/** + * Send AEN notification + */ +static void +bfa_fcs_vport_aen_post(bfa_fcs_lport_t *port, enum bfa_lport_aen_event event) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = port->fcs->logm; + enum bfa_port_role role = port->port_cfg.roles; + wwn_t lpwwn = bfa_fcs_port_get_pwwn(port); + char lpwwn_ptr[BFA_STRING_32]; + char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] = + { "Initiator", "Target", "IPFC" }; + + wwn2str(lpwwn_ptr, lpwwn); + + bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX); + + switch (event) { + case BFA_LPORT_AEN_NPIV_DUP_WWN: + bfa_log(logmod, BFA_AEN_LPORT_NPIV_DUP_WWN, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_NPIV_FABRIC_MAX: + bfa_log(logmod, BFA_AEN_LPORT_NPIV_FABRIC_MAX, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_NPIV_UNKNOWN: + bfa_log(logmod, BFA_AEN_LPORT_NPIV_UNKNOWN, lpwwn_ptr, + role_str[role / 2]); + break; + default: + break; + } + + aen_data.lport.vf_id = port->fabric->vf_id; + aen_data.lport.roles = role; + aen_data.lport.ppwwn = + bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs)); + aen_data.lport.lpwwn = lpwwn; +} + +/** + * This routine will be called to send a FDISC command. + */ +static void +bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport) +{ + bfa_lps_fdisc(vport->lps, vport, + bfa_pport_get_maxfrsize(__vport_bfa(vport)), + __vport_pwwn(vport), __vport_nwwn(vport)); + vport->vport_stats.fdisc_sent++; +} + +static void +bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport) +{ + u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps); + u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps); + + bfa_trc(__vport_fcs(vport), lsrjt_rsn); + bfa_trc(__vport_fcs(vport), lsrjt_expl); + + /* + * For certain reason codes, we don't want to retry. + */ + switch (bfa_lps_get_lsrjt_expl(vport->lps)) { + case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */ + case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */ + if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + else { + bfa_fcs_vport_aen_post(&vport->lport, + BFA_LPORT_AEN_NPIV_DUP_WWN); + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN); + } + break; + + case FC_LS_RJT_EXP_INSUFF_RES: + /* + * This means max logins per port/switch setting on the + * switch was exceeded. + */ + if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + else { + bfa_fcs_vport_aen_post(&vport->lport, + BFA_LPORT_AEN_NPIV_FABRIC_MAX); + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED); + } + break; + + default: + if (vport->fdisc_retries == 0) /* Print only once */ + bfa_fcs_vport_aen_post(&vport->lport, + BFA_LPORT_AEN_NPIV_UNKNOWN); + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + } +} + +/** + * Called to send a logout to the fabric. Used when a V-Port is + * deleted/stopped. + */ +static void +bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + + vport->vport_stats.logo_sent++; + bfa_lps_fdisclogo(vport->lps); +} + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] vport - pointer to bfa_fcs_vport_t. + * param[out] vport_status - pointer to return vport status in + * + * return + * void + * +* Special Considerations: + * + * note + */ +static void +bfa_fcs_vport_timeout(void *vport_arg) +{ + struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *)vport_arg; + + vport->vport_stats.fdisc_timeouts++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT); +} + +static void +bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport) +{ + bfa_fcs_fabric_delvport(__vport_fabric(vport), vport); + bfa_fcb_vport_delete(vport->vport_drv); + bfa_lps_delete(vport->lps); +} + + + +/** + * fcs_vport_public FCS virtual port public interfaces + */ + +/** + * Online notification from fabric SM. + */ +void +bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport) +{ + vport->vport_stats.fab_online++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE); +} + +/** + * Offline notification from fabric SM. + */ +void +bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport) +{ + vport->vport_stats.fab_offline++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE); +} + +/** + * Cleanup notification from fabric SM on link timer expiry. + */ +void +bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport) +{ + vport->vport_stats.fab_cleanup++; +} + +/** + * Delete completion callback from associated lport + */ +void +bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP); +} + +/** + * Module initialization + */ +void +bfa_fcs_vport_modinit(struct bfa_fcs_s *fcs) +{ +} + +/** + * Module cleanup + */ +void +bfa_fcs_vport_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} + +u32 +bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs) +{ + struct bfa_ioc_attr_s ioc_attr; + + bfa_get_attr(fcs->bfa, &ioc_attr); + + if (ioc_attr.pci_attr.device_id == BFA_PCI_DEVICE_ID_CT) + return (BFA_FCS_MAX_VPORTS_SUPP_CT); + else + return (BFA_FCS_MAX_VPORTS_SUPP_CB); +} + + + +/** + * fcs_vport_api Virtual port API + */ + +/** + * Use this function to instantiate a new FCS vport object. This + * function will not trigger any HW initialization process (which will be + * done in vport_start() call) + * + * param[in] vport - pointer to bfa_fcs_vport_t. This space + * needs to be allocated by the driver. + * param[in] fcs - FCS instance + * param[in] vport_cfg - vport configuration + * param[in] vf_id - VF_ID if vport is created within a VF. + * FC_VF_ID_NULL to specify base fabric. + * param[in] vport_drv - Opaque handle back to the driver's vport + * structure + * + * retval BFA_STATUS_OK - on success. + * retval BFA_STATUS_FAILED - on failure. + */ +bfa_status_t +bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_port_cfg_s *vport_cfg, + struct bfad_vport_s *vport_drv) +{ + if (vport_cfg->pwwn == 0) + return (BFA_STATUS_INVALID_WWN); + + if (bfa_fcs_port_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn) + return BFA_STATUS_VPORT_WWN_BP; + + if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL) + return BFA_STATUS_VPORT_EXISTS; + + if (bfa_fcs_fabric_vport_count(&fcs->fabric) == + bfa_fcs_vport_get_max(fcs)) + return BFA_STATUS_VPORT_MAX; + + vport->lps = bfa_lps_alloc(fcs->bfa); + if (!vport->lps) + return BFA_STATUS_VPORT_MAX; + + vport->vport_drv = vport_drv; + bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); + + bfa_fcs_lport_init(&vport->lport, fcs, vf_id, vport_cfg, vport); + + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE); + + return BFA_STATUS_OK; +} + +/** + * Use this function initialize the vport. + * + * @param[in] vport - pointer to bfa_fcs_vport_t. + * + * @returns None + */ +bfa_status_t +bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START); + + return BFA_STATUS_OK; +} + +/** + * Use this function quiese the vport object. This function will return + * immediately, when the vport is actually stopped, the + * bfa_drv_vport_stop_cb() will be called. + * + * param[in] vport - pointer to bfa_fcs_vport_t. + * + * return None + */ +bfa_status_t +bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP); + + return BFA_STATUS_OK; +} + +/** + * Use this function to delete a vport object. Fabric object should + * be stopped before this function call. + * + * param[in] vport - pointer to bfa_fcs_vport_t. + * + * return None + */ +bfa_status_t +bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE); + + return BFA_STATUS_OK; +} + +/** + * Use this function to get vport's current status info. + * + * param[in] vport pointer to bfa_fcs_vport_t. + * param[out] attr pointer to return vport attributes + * + * return None + */ +void +bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, + struct bfa_vport_attr_s *attr) +{ + if (vport == NULL || attr == NULL) + return; + + bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s)); + + bfa_fcs_port_get_attr(&vport->lport, &attr->port_attr); + attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm); +} + +/** + * Use this function to get vport's statistics. + * + * param[in] vport pointer to bfa_fcs_vport_t. + * param[out] stats pointer to return vport statistics in + * + * return None + */ +void +bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport, + struct bfa_vport_stats_s *stats) +{ + *stats = vport->vport_stats; +} + +/** + * Use this function to clear vport's statistics. + * + * param[in] vport pointer to bfa_fcs_vport_t. + * + * return None + */ +void +bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport) +{ + bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s)); +} + +/** + * Lookup a virtual port. Excludes base port from lookup. + */ +struct bfa_fcs_vport_s * +bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn) +{ + struct bfa_fcs_vport_s *vport; + struct bfa_fcs_fabric_s *fabric; + + bfa_trc(fcs, vf_id); + bfa_trc(fcs, vpwwn); + + fabric = bfa_fcs_vf_lookup(fcs, vf_id); + if (!fabric) { + bfa_trc(fcs, vf_id); + return NULL; + } + + vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn); + return vport; +} + +/** + * FDISC Response + */ +void +bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status) +{ + struct bfa_fcs_vport_s *vport = uarg; + + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), status); + + switch (status) { + case BFA_STATUS_OK: + /* + * Initialiaze the V-Port fields + */ + __vport_fcid(vport) = bfa_lps_get_pid(vport->lps); + vport->vport_stats.fdisc_accepts++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); + break; + + case BFA_STATUS_INVALID_MAC: + /* + * Only for CNA + */ + vport->vport_stats.fdisc_acc_bad++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + + break; + + case BFA_STATUS_EPROTOCOL: + switch (bfa_lps_get_extstatus(vport->lps)) { + case BFA_EPROTO_BAD_ACCEPT: + vport->vport_stats.fdisc_acc_bad++; + break; + + case BFA_EPROTO_UNKNOWN_RSP: + vport->vport_stats.fdisc_unknown_rsp++; + break; + + default: + break; + } + + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + break; + + case BFA_STATUS_FABRIC_RJT: + vport->vport_stats.fdisc_rejects++; + bfa_fcs_vport_fdisc_rejected(vport); + break; + + default: + vport->vport_stats.fdisc_rsp_err++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + } +} + +/** + * LOGO response + */ +void +bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg) +{ + struct bfa_fcs_vport_s *vport = uarg; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); +} + + |