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path: root/drivers/scsi/lpfc/lpfc_init.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c547
1 files changed, 481 insertions, 66 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index b8eb1b6e5e77..d29ac7c317d9 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2009 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -544,7 +544,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
}
- } else {
+ } else if (phba->cfg_suppress_link_up == 0) {
lpfc_init_link(phba, pmb, phba->cfg_topology,
phba->cfg_link_speed);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
@@ -603,6 +603,102 @@ lpfc_config_port_post(struct lpfc_hba *phba)
}
/**
+ * lpfc_hba_init_link - Initialize the FC link
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine will issue the INIT_LINK mailbox command call.
+ * It is available to other drivers through the lpfc_hba data
+ * structure for use as a delayed link up mechanism with the
+ * module parameter lpfc_suppress_link_up.
+ *
+ * Return code
+ * 0 - success
+ * Any other value - error
+ **/
+int
+lpfc_hba_init_link(struct lpfc_hba *phba)
+{
+ struct lpfc_vport *vport = phba->pport;
+ LPFC_MBOXQ_t *pmb;
+ MAILBOX_t *mb;
+ int rc;
+
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmb) {
+ phba->link_state = LPFC_HBA_ERROR;
+ return -ENOMEM;
+ }
+ mb = &pmb->u.mb;
+ pmb->vport = vport;
+
+ lpfc_init_link(phba, pmb, phba->cfg_topology,
+ phba->cfg_link_speed);
+ pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ lpfc_set_loopback_flag(phba);
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+ if (rc != MBX_SUCCESS) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0498 Adapter failed to init, mbxCmd x%x "
+ "INIT_LINK, mbxStatus x%x\n",
+ mb->mbxCommand, mb->mbxStatus);
+ /* Clear all interrupt enable conditions */
+ writel(0, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ /* Clear all pending interrupts */
+ writel(0xffffffff, phba->HAregaddr);
+ readl(phba->HAregaddr); /* flush */
+ phba->link_state = LPFC_HBA_ERROR;
+ if (rc != MBX_BUSY)
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ phba->cfg_suppress_link_up = 0;
+
+ return 0;
+}
+
+/**
+ * lpfc_hba_down_link - this routine downs the FC link
+ *
+ * This routine will issue the DOWN_LINK mailbox command call.
+ * It is available to other drivers through the lpfc_hba data
+ * structure for use to stop the link.
+ *
+ * Return code
+ * 0 - success
+ * Any other value - error
+ **/
+int
+lpfc_hba_down_link(struct lpfc_hba *phba)
+{
+ LPFC_MBOXQ_t *pmb;
+ int rc;
+
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmb) {
+ phba->link_state = LPFC_HBA_ERROR;
+ return -ENOMEM;
+ }
+
+ lpfc_printf_log(phba,
+ KERN_ERR, LOG_INIT,
+ "0491 Adapter Link is disabled.\n");
+ lpfc_down_link(phba, pmb);
+ pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+ if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
+ lpfc_printf_log(phba,
+ KERN_ERR, LOG_INIT,
+ "2522 Adapter failed to issue DOWN_LINK"
+ " mbox command rc 0x%x\n", rc);
+
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ return 0;
+}
+
+/**
* lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
* @phba: pointer to lpfc HBA data structure.
*
@@ -2073,6 +2169,44 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport)
}
/**
+ * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
+ * caller of this routine should already hold the host lock.
+ **/
+void
+__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
+{
+ /* Clear pending FCF rediscovery wait timer */
+ phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+ /* Now, try to stop the timer */
+ del_timer(&phba->fcf.redisc_wait);
+}
+
+/**
+ * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
+ * checks whether the FCF rediscovery wait timer is pending with the host
+ * lock held before proceeding with disabling the timer and clearing the
+ * wait timer pendig flag.
+ **/
+void
+lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
+{
+ spin_lock_irq(&phba->hbalock);
+ if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
+ /* FCF rediscovery timer already fired or stopped */
+ spin_unlock_irq(&phba->hbalock);
+ return;
+ }
+ __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
+ spin_unlock_irq(&phba->hbalock);
+}
+
+/**
* lpfc_stop_hba_timers - Stop all the timers associated with an HBA
* @phba: pointer to lpfc hba data structure.
*
@@ -2096,6 +2230,7 @@ lpfc_stop_hba_timers(struct lpfc_hba *phba)
break;
case LPFC_PCI_DEV_OC:
/* Stop any OneConnect device sepcific driver timers */
+ lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
break;
default:
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -2228,6 +2363,7 @@ lpfc_offline_prep(struct lpfc_hba * phba)
struct lpfc_vport *vport = phba->pport;
struct lpfc_nodelist *ndlp, *next_ndlp;
struct lpfc_vport **vports;
+ struct Scsi_Host *shost;
int i;
if (vport->fc_flag & FC_OFFLINE_MODE)
@@ -2241,11 +2377,15 @@ lpfc_offline_prep(struct lpfc_hba * phba)
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
- struct Scsi_Host *shost;
-
if (vports[i]->load_flag & FC_UNLOADING)
continue;
+ shost = lpfc_shost_from_vport(vports[i]);
+ spin_lock_irq(shost->host_lock);
vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
+ vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+ vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
+ spin_unlock_irq(shost->host_lock);
+
shost = lpfc_shost_from_vport(vports[i]);
list_for_each_entry_safe(ndlp, next_ndlp,
&vports[i]->fc_nodes,
@@ -2401,7 +2541,8 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
shost->this_id = -1;
shost->max_cmd_len = 16;
if (phba->sli_rev == LPFC_SLI_REV4) {
- shost->dma_boundary = LPFC_SLI4_MAX_SEGMENT_SIZE;
+ shost->dma_boundary =
+ phba->sli4_hba.pc_sli4_params.sge_supp_len;
shost->sg_tablesize = phba->cfg_sg_seg_cnt;
}
@@ -2650,8 +2791,6 @@ lpfc_stop_port_s4(struct lpfc_hba *phba)
lpfc_stop_hba_timers(phba);
phba->pport->work_port_events = 0;
phba->sli4_hba.intr_enable = 0;
- /* Hard clear it for now, shall have more graceful way to wait later */
- phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
}
/**
@@ -2703,7 +2842,7 @@ lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba)
del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry;
bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1);
bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record,
- phba->fcf.fcf_indx);
+ phba->fcf.current_rec.fcf_indx);
if (!phba->sli4_hba.intr_enable)
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
@@ -2727,6 +2866,57 @@ lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba)
}
/**
+ * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
+ * @phba: Pointer to hba for which this call is being executed.
+ *
+ * This routine starts the timer waiting for the FCF rediscovery to complete.
+ **/
+void
+lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
+{
+ unsigned long fcf_redisc_wait_tmo =
+ (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
+ /* Start fcf rediscovery wait period timer */
+ mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
+ spin_lock_irq(&phba->hbalock);
+ /* Allow action to new fcf asynchronous event */
+ phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
+ /* Mark the FCF rediscovery pending state */
+ phba->fcf.fcf_flag |= FCF_REDISC_PEND;
+ spin_unlock_irq(&phba->hbalock);
+}
+
+/**
+ * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
+ * @ptr: Map to lpfc_hba data structure pointer.
+ *
+ * This routine is invoked when waiting for FCF table rediscover has been
+ * timed out. If new FCF record(s) has (have) been discovered during the
+ * wait period, a new FCF event shall be added to the FCOE async event
+ * list, and then worker thread shall be waked up for processing from the
+ * worker thread context.
+ **/
+void
+lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
+
+ /* Don't send FCF rediscovery event if timer cancelled */
+ spin_lock_irq(&phba->hbalock);
+ if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
+ spin_unlock_irq(&phba->hbalock);
+ return;
+ }
+ /* Clear FCF rediscovery timer pending flag */
+ phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+ /* FCF rediscovery event to worker thread */
+ phba->fcf.fcf_flag |= FCF_REDISC_EVT;
+ spin_unlock_irq(&phba->hbalock);
+ /* wake up worker thread */
+ lpfc_worker_wake_up(phba);
+}
+
+/**
* lpfc_sli4_fw_cfg_check - Read the firmware config and verify FCoE support
* @phba: pointer to lpfc hba data structure.
*
@@ -2978,6 +3168,8 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
bf_get(lpfc_acqe_link_physical, acqe_link);
phba->sli4_hba.link_state.fault =
bf_get(lpfc_acqe_link_fault, acqe_link);
+ phba->sli4_hba.link_state.logical_speed =
+ bf_get(lpfc_acqe_qos_link_speed, acqe_link);
/* Invoke the lpfc_handle_latt mailbox command callback function */
lpfc_mbx_cmpl_read_la(phba, pmb);
@@ -3007,22 +3199,34 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
struct lpfc_nodelist *ndlp;
struct Scsi_Host *shost;
uint32_t link_state;
+ int active_vlink_present;
+ struct lpfc_vport **vports;
+ int i;
phba->fc_eventTag = acqe_fcoe->event_tag;
phba->fcoe_eventtag = acqe_fcoe->event_tag;
switch (event_type) {
case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
+ case LPFC_FCOE_EVENT_TYPE_FCF_PARAM_MOD:
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
"2546 New FCF found index 0x%x tag 0x%x\n",
acqe_fcoe->index,
acqe_fcoe->event_tag);
- /*
- * If the current FCF is in discovered state, or
- * FCF discovery is in progress do nothing.
- */
spin_lock_irq(&phba->hbalock);
- if ((phba->fcf.fcf_flag & FCF_DISCOVERED) ||
- (phba->hba_flag & FCF_DISC_INPROGRESS)) {
+ if ((phba->fcf.fcf_flag & FCF_SCAN_DONE) ||
+ (phba->hba_flag & FCF_DISC_INPROGRESS)) {
+ /*
+ * If the current FCF is in discovered state or
+ * FCF discovery is in progress, do nothing.
+ */
+ spin_unlock_irq(&phba->hbalock);
+ break;
+ }
+ if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
+ /*
+ * If fast FCF failover rescan event is pending,
+ * do nothing.
+ */
spin_unlock_irq(&phba->hbalock);
break;
}
@@ -3049,7 +3253,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
" tag 0x%x\n", acqe_fcoe->index,
acqe_fcoe->event_tag);
/* If the event is not for currently used fcf do nothing */
- if (phba->fcf.fcf_indx != acqe_fcoe->index)
+ if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
break;
/*
* Currently, driver support only one FCF - so treat this as
@@ -3074,14 +3278,58 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
if (!ndlp)
break;
shost = lpfc_shost_from_vport(vport);
+ if (phba->pport->port_state <= LPFC_FLOGI)
+ break;
+ /* If virtual link is not yet instantiated ignore CVL */
+ if (vport->port_state <= LPFC_FDISC)
+ break;
+
lpfc_linkdown_port(vport);
- if (vport->port_type != LPFC_NPIV_PORT) {
+ lpfc_cleanup_pending_mbox(vport);
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_CVL_RCVD;
+ spin_unlock_irq(shost->host_lock);
+ active_vlink_present = 0;
+
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports) {
+ for (i = 0; i <= phba->max_vports && vports[i] != NULL;
+ i++) {
+ if ((!(vports[i]->fc_flag &
+ FC_VPORT_CVL_RCVD)) &&
+ (vports[i]->port_state > LPFC_FDISC)) {
+ active_vlink_present = 1;
+ break;
+ }
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ }
+
+ if (active_vlink_present) {
+ /*
+ * If there are other active VLinks present,
+ * re-instantiate the Vlink using FDISC.
+ */
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
- ndlp->nlp_last_elscmd = ELS_CMD_FLOGI;
- vport->port_state = LPFC_FLOGI;
+ ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
+ vport->port_state = LPFC_FDISC;
+ } else {
+ /*
+ * Otherwise, we request port to rediscover
+ * the entire FCF table for a fast recovery
+ * from possible case that the current FCF
+ * is no longer valid.
+ */
+ rc = lpfc_sli4_redisc_fcf_table(phba);
+ if (rc)
+ /*
+ * Last resort will be re-try on the
+ * the current registered FCF entry.
+ */
+ lpfc_retry_pport_discovery(phba);
}
break;
default:
@@ -3158,6 +3406,34 @@ void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
}
/**
+ * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked by the worker thread to process FCF table
+ * rediscovery pending completion event.
+ **/
+void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
+{
+ int rc;
+
+ spin_lock_irq(&phba->hbalock);
+ /* Clear FCF rediscovery timeout event */
+ phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
+ /* Clear driver fast failover FCF record flag */
+ phba->fcf.failover_rec.flag = 0;
+ /* Set state for FCF fast failover */
+ phba->fcf.fcf_flag |= FCF_REDISC_FOV;
+ spin_unlock_irq(&phba->hbalock);
+
+ /* Scan FCF table from the first entry to re-discover SAN */
+ rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+ if (rc)
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "2747 Post FCF rediscovery read FCF record "
+ "failed 0x%x\n", rc);
+}
+
+/**
* lpfc_api_table_setup - Set up per hba pci-device group func api jump table
* @phba: pointer to lpfc hba data structure.
* @dev_grp: The HBA PCI-Device group number.
@@ -3442,8 +3718,10 @@ static int
lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
{
struct lpfc_sli *psli;
- int rc;
- int i, hbq_count;
+ LPFC_MBOXQ_t *mboxq;
+ int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size;
+ uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
+ struct lpfc_mqe *mqe;
/* Before proceed, wait for POST done and device ready */
rc = lpfc_sli4_post_status_check(phba);
@@ -3472,6 +3750,11 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
init_timer(&phba->eratt_poll);
phba->eratt_poll.function = lpfc_poll_eratt;
phba->eratt_poll.data = (unsigned long) phba;
+ /* FCF rediscover timer */
+ init_timer(&phba->fcf.redisc_wait);
+ phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
+ phba->fcf.redisc_wait.data = (unsigned long)phba;
+
/*
* We need to do a READ_CONFIG mailbox command here before
* calling lpfc_get_cfgparam. For VFs this will report the
@@ -3496,31 +3779,26 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
* used to create the sg_dma_buf_pool must be dynamically calculated.
* 2 segments are added since the IOCB needs a command and response bde.
* To insure that the scsi sgl does not cross a 4k page boundary only
- * sgl sizes of 1k, 2k, 4k, and 8k are supported.
- * Table of sgl sizes and seg_cnt:
- * sgl size, sg_seg_cnt total seg
- * 1k 50 52
- * 2k 114 116
- * 4k 242 244
- * 8k 498 500
- * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
- * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
- * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
- * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
+ * sgl sizes of must be a power of 2.
*/
- if (phba->cfg_sg_seg_cnt <= LPFC_DEFAULT_SG_SEG_CNT)
- phba->cfg_sg_seg_cnt = 50;
- else if (phba->cfg_sg_seg_cnt <= 114)
- phba->cfg_sg_seg_cnt = 114;
- else if (phba->cfg_sg_seg_cnt <= 242)
- phba->cfg_sg_seg_cnt = 242;
+ buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) +
+ ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge)));
+ /* Feature Level 1 hardware is limited to 2 pages */
+ if ((bf_get(lpfc_sli_intf_featurelevel1, &phba->sli4_hba.sli_intf) ==
+ LPFC_SLI_INTF_FEATURELEVEL1_1))
+ max_buf_size = LPFC_SLI4_FL1_MAX_BUF_SIZE;
else
- phba->cfg_sg_seg_cnt = 498;
-
- phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd)
- + sizeof(struct fcp_rsp);
- phba->cfg_sg_dma_buf_size +=
- ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
+ max_buf_size = LPFC_SLI4_MAX_BUF_SIZE;
+ for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE;
+ dma_buf_size < max_buf_size && buf_size > dma_buf_size;
+ dma_buf_size = dma_buf_size << 1)
+ ;
+ if (dma_buf_size == max_buf_size)
+ phba->cfg_sg_seg_cnt = (dma_buf_size -
+ sizeof(struct fcp_cmnd) - sizeof(struct fcp_rsp) -
+ (2 * sizeof(struct sli4_sge))) /
+ sizeof(struct sli4_sge);
+ phba->cfg_sg_dma_buf_size = dma_buf_size;
/* Initialize buffer queue management fields */
hbq_count = lpfc_sli_hbq_count();
@@ -3638,6 +3916,43 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
goto out_free_fcp_eq_hdl;
}
+ mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+ GFP_KERNEL);
+ if (!mboxq) {
+ rc = -ENOMEM;
+ goto out_free_fcp_eq_hdl;
+ }
+
+ /* Get the Supported Pages. It is always available. */
+ lpfc_supported_pages(mboxq);
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+ if (unlikely(rc)) {
+ rc = -EIO;
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ goto out_free_fcp_eq_hdl;
+ }
+
+ mqe = &mboxq->u.mqe;
+ memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
+ LPFC_MAX_SUPPORTED_PAGES);
+ for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
+ switch (pn_page[i]) {
+ case LPFC_SLI4_PARAMETERS:
+ phba->sli4_hba.pc_sli4_params.supported = 1;
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* Read the port's SLI4 Parameters capabilities if supported. */
+ if (phba->sli4_hba.pc_sli4_params.supported)
+ rc = lpfc_pc_sli4_params_get(phba, mboxq);
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ if (rc) {
+ rc = -EIO;
+ goto out_free_fcp_eq_hdl;
+ }
return rc;
out_free_fcp_eq_hdl:
@@ -3733,6 +4048,8 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
int
lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
{
+ phba->lpfc_hba_init_link = lpfc_hba_init_link;
+ phba->lpfc_hba_down_link = lpfc_hba_down_link;
switch (dev_grp) {
case LPFC_PCI_DEV_LP:
phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
@@ -4291,7 +4608,7 @@ lpfc_hba_alloc(struct pci_dev *pdev)
return NULL;
}
- mutex_init(&phba->ct_event_mutex);
+ spin_lock_init(&phba->ct_ev_lock);
INIT_LIST_HEAD(&phba->ct_ev_waiters);
return phba;
@@ -4641,7 +4958,7 @@ lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
int
lpfc_sli4_post_status_check(struct lpfc_hba *phba)
{
- struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg, scratchpad;
+ struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg;
int i, port_error = -ENODEV;
if (!phba->sli4_hba.STAregaddr)
@@ -4677,14 +4994,21 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba)
bf_get(lpfc_hst_state_port_status, &sta_reg));
/* Log device information */
- scratchpad.word0 = readl(phba->sli4_hba.SCRATCHPADregaddr);
- lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
- "FeatureL1=0x%x, FeatureL2=0x%x\n",
- bf_get(lpfc_scratchpad_chiptype, &scratchpad),
- bf_get(lpfc_scratchpad_slirev, &scratchpad),
- bf_get(lpfc_scratchpad_featurelevel1, &scratchpad),
- bf_get(lpfc_scratchpad_featurelevel2, &scratchpad));
+ phba->sli4_hba.sli_intf.word0 = readl(phba->sli4_hba.SLIINTFregaddr);
+ if (bf_get(lpfc_sli_intf_valid,
+ &phba->sli4_hba.sli_intf) == LPFC_SLI_INTF_VALID) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
+ "FeatureL1=0x%x, FeatureL2=0x%x\n",
+ bf_get(lpfc_sli_intf_sli_family,
+ &phba->sli4_hba.sli_intf),
+ bf_get(lpfc_sli_intf_slirev,
+ &phba->sli4_hba.sli_intf),
+ bf_get(lpfc_sli_intf_featurelevel1,
+ &phba->sli4_hba.sli_intf),
+ bf_get(lpfc_sli_intf_featurelevel2,
+ &phba->sli4_hba.sli_intf));
+ }
phba->sli4_hba.ue_mask_lo = readl(phba->sli4_hba.UEMASKLOregaddr);
phba->sli4_hba.ue_mask_hi = readl(phba->sli4_hba.UEMASKHIregaddr);
/* With uncoverable error, log the error message and return error */
@@ -4723,8 +5047,8 @@ lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba)
LPFC_UE_MASK_LO;
phba->sli4_hba.UEMASKHIregaddr = phba->sli4_hba.conf_regs_memmap_p +
LPFC_UE_MASK_HI;
- phba->sli4_hba.SCRATCHPADregaddr = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_SCRATCHPAD;
+ phba->sli4_hba.SLIINTFregaddr = phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_SLI_INTF;
}
/**
@@ -5999,7 +6323,7 @@ lpfc_sli4_fcfi_unreg(struct lpfc_hba *phba, uint16_t fcfi)
spin_lock_irqsave(&phba->hbalock, flags);
/* Mark the FCFI is no longer registered */
phba->fcf.fcf_flag &=
- ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_DISCOVERED);
+ ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_SCAN_DONE);
spin_unlock_irqrestore(&phba->hbalock, flags);
}
}
@@ -6039,16 +6363,20 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
/* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
* number of bytes required by each mapping. They are actually
- * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
+ * mapping to the PCI BAR regions 0 or 1, 2, and 4 by the SLI4 device.
*/
- phba->pci_bar0_map = pci_resource_start(pdev, LPFC_SLI4_BAR0);
- bar0map_len = pci_resource_len(pdev, LPFC_SLI4_BAR0);
-
- phba->pci_bar1_map = pci_resource_start(pdev, LPFC_SLI4_BAR1);
- bar1map_len = pci_resource_len(pdev, LPFC_SLI4_BAR1);
+ if (pci_resource_start(pdev, 0)) {
+ phba->pci_bar0_map = pci_resource_start(pdev, 0);
+ bar0map_len = pci_resource_len(pdev, 0);
+ } else {
+ phba->pci_bar0_map = pci_resource_start(pdev, 1);
+ bar0map_len = pci_resource_len(pdev, 1);
+ }
+ phba->pci_bar1_map = pci_resource_start(pdev, 2);
+ bar1map_len = pci_resource_len(pdev, 2);
- phba->pci_bar2_map = pci_resource_start(pdev, LPFC_SLI4_BAR2);
- bar2map_len = pci_resource_len(pdev, LPFC_SLI4_BAR2);
+ phba->pci_bar2_map = pci_resource_start(pdev, 4);
+ bar2map_len = pci_resource_len(pdev, 4);
/* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
phba->sli4_hba.conf_regs_memmap_p =
@@ -6793,6 +7121,73 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
phba->pport->work_port_events = 0;
}
+ /**
+ * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
+ * @phba: Pointer to HBA context object.
+ * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
+ *
+ * This function is called in the SLI4 code path to read the port's
+ * sli4 capabilities.
+ *
+ * This function may be be called from any context that can block-wait
+ * for the completion. The expectation is that this routine is called
+ * typically from probe_one or from the online routine.
+ **/
+int
+lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ int rc;
+ struct lpfc_mqe *mqe;
+ struct lpfc_pc_sli4_params *sli4_params;
+ uint32_t mbox_tmo;
+
+ rc = 0;
+ mqe = &mboxq->u.mqe;
+
+ /* Read the port's SLI4 Parameters port capabilities */
+ lpfc_sli4_params(mboxq);
+ if (!phba->sli4_hba.intr_enable)
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+ else {
+ mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_PORT_CAPABILITIES);
+ rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+ }
+
+ if (unlikely(rc))
+ return 1;
+
+ sli4_params = &phba->sli4_hba.pc_sli4_params;
+ sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
+ sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
+ sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
+ sli4_params->featurelevel_1 = bf_get(featurelevel_1,
+ &mqe->un.sli4_params);
+ sli4_params->featurelevel_2 = bf_get(featurelevel_2,
+ &mqe->un.sli4_params);
+ sli4_params->proto_types = mqe->un.sli4_params.word3;
+ sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
+ sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
+ sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
+ sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
+ sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
+ sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
+ sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
+ sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
+ sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
+ sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
+ sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
+ sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
+ sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
+ sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
+ sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
+ sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
+ sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
+ sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
+ sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
+ sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
+ return rc;
+}
+
/**
* lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
* @pdev: pointer to PCI device
@@ -7134,6 +7529,12 @@ lpfc_pci_resume_one_s3(struct pci_dev *pdev)
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ /*
+ * As the new kernel behavior of pci_restore_state() API call clears
+ * device saved_state flag, need to save the restored state again.
+ */
+ pci_save_state(pdev);
+
if (pdev->is_busmaster)
pci_set_master(pdev);
@@ -7317,6 +7718,13 @@ lpfc_io_slot_reset_s3(struct pci_dev *pdev)
}
pci_restore_state(pdev);
+
+ /*
+ * As the new kernel behavior of pci_restore_state() API call clears
+ * device saved_state flag, need to save the restored state again.
+ */
+ pci_save_state(pdev);
+
if (pdev->is_busmaster)
pci_set_master(pdev);
@@ -7726,6 +8134,13 @@ lpfc_pci_resume_one_s4(struct pci_dev *pdev)
/* Restore device state from PCI config space */
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+
+ /*
+ * As the new kernel behavior of pci_restore_state() API call clears
+ * device saved_state flag, need to save the restored state again.
+ */
+ pci_save_state(pdev);
+
if (pdev->is_busmaster)
pci_set_master(pdev);
@@ -7845,11 +8260,11 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
int rc;
struct lpfc_sli_intf intf;
- if (pci_read_config_dword(pdev, LPFC_SLIREV_CONF_WORD, &intf.word0))
+ if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
return -ENODEV;
if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
- (bf_get(lpfc_sli_intf_rev, &intf) == LPFC_SLIREV_CONF_SLI4))
+ (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
rc = lpfc_pci_probe_one_s4(pdev, pid);
else
rc = lpfc_pci_probe_one_s3(pdev, pid);