diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nvme.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nvme.c | 761 |
1 files changed, 761 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c new file mode 100644 index 000000000000..f3710a75fe1f --- /dev/null +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -0,0 +1,761 @@ +/* + * QLogic Fibre Channel HBA Driver + * Copyright (c) 2003-2017 QLogic Corporation + * + * See LICENSE.qla2xxx for copyright and licensing details. + */ +#include "qla_nvme.h" +#include "qla_def.h" +#include <linux/scatterlist.h> +#include <linux/delay.h> +#include <linux/nvme.h> +#include <linux/nvme-fc.h> + +static struct nvme_fc_port_template qla_nvme_fc_transport; + +static void qla_nvme_unregister_remote_port(struct work_struct *); + +int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport) +{ + struct nvme_rport *rport; + int ret; + + if (!IS_ENABLED(CONFIG_NVME_FC)) + return 0; + + if (fcport->nvme_flag & NVME_FLAG_REGISTERED) + return 0; + + if (!vha->flags.nvme_enabled) { + ql_log(ql_log_info, vha, 0x2100, + "%s: Not registering target since Host NVME is not enabled\n", + __func__); + return 0; + } + + if (!(fcport->nvme_prli_service_param & + (NVME_PRLI_SP_TARGET | NVME_PRLI_SP_DISCOVERY))) + return 0; + + INIT_WORK(&fcport->nvme_del_work, qla_nvme_unregister_remote_port); + rport = kzalloc(sizeof(*rport), GFP_KERNEL); + if (!rport) { + ql_log(ql_log_warn, vha, 0x2101, + "%s: unable to alloc memory\n", __func__); + return -ENOMEM; + } + + rport->req.port_name = wwn_to_u64(fcport->port_name); + rport->req.node_name = wwn_to_u64(fcport->node_name); + rport->req.port_role = 0; + + if (fcport->nvme_prli_service_param & NVME_PRLI_SP_INITIATOR) + rport->req.port_role = FC_PORT_ROLE_NVME_INITIATOR; + + if (fcport->nvme_prli_service_param & NVME_PRLI_SP_TARGET) + rport->req.port_role |= FC_PORT_ROLE_NVME_TARGET; + + if (fcport->nvme_prli_service_param & NVME_PRLI_SP_DISCOVERY) + rport->req.port_role |= FC_PORT_ROLE_NVME_DISCOVERY; + + rport->req.port_id = fcport->d_id.b24; + + ql_log(ql_log_info, vha, 0x2102, + "%s: traddr=pn-0x%016llx:nn-0x%016llx PortID:%06x\n", + __func__, rport->req.port_name, rport->req.node_name, + rport->req.port_id); + + ret = nvme_fc_register_remoteport(vha->nvme_local_port, &rport->req, + &fcport->nvme_remote_port); + if (ret) { + ql_log(ql_log_warn, vha, 0x212e, + "Failed to register remote port. Transport returned %d\n", + ret); + return ret; + } + + fcport->nvme_remote_port->private = fcport; + fcport->nvme_flag |= NVME_FLAG_REGISTERED; + atomic_set(&fcport->nvme_ref_count, 1); + init_waitqueue_head(&fcport->nvme_waitQ); + rport->fcport = fcport; + list_add_tail(&rport->list, &vha->nvme_rport_list); + return 0; +} + +/* Allocate a queue for NVMe traffic */ +static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport, unsigned int qidx, + u16 qsize, void **handle) +{ + struct scsi_qla_host *vha; + struct qla_hw_data *ha; + struct qla_qpair *qpair; + + if (!qidx) + qidx++; + + vha = (struct scsi_qla_host *)lport->private; + ha = vha->hw; + + ql_log(ql_log_info, vha, 0x2104, + "%s: handle %p, idx =%d, qsize %d\n", + __func__, handle, qidx, qsize); + + if (qidx > qla_nvme_fc_transport.max_hw_queues) { + ql_log(ql_log_warn, vha, 0x212f, + "%s: Illegal qidx=%d. Max=%d\n", + __func__, qidx, qla_nvme_fc_transport.max_hw_queues); + return -EINVAL; + } + + if (ha->queue_pair_map[qidx]) { + *handle = ha->queue_pair_map[qidx]; + ql_log(ql_log_info, vha, 0x2121, + "Returning existing qpair of %p for idx=%x\n", + *handle, qidx); + return 0; + } + + ql_log(ql_log_warn, vha, 0xffff, + "allocating q for idx=%x w/o cpu mask\n", qidx); + qpair = qla2xxx_create_qpair(vha, 5, vha->vp_idx, true); + if (qpair == NULL) { + ql_log(ql_log_warn, vha, 0x2122, + "Failed to allocate qpair\n"); + return -EINVAL; + } + *handle = qpair; + + return 0; +} + +static void qla_nvme_sp_ls_done(void *ptr, int res) +{ + srb_t *sp = ptr; + struct srb_iocb *nvme; + struct nvmefc_ls_req *fd; + struct nvme_private *priv; + + if (atomic_read(&sp->ref_count) == 0) { + ql_log(ql_log_warn, sp->fcport->vha, 0x2123, + "SP reference-count to ZERO on LS_done -- sp=%p.\n", sp); + return; + } + + if (!atomic_dec_and_test(&sp->ref_count)) + return; + + if (res) + res = -EINVAL; + + nvme = &sp->u.iocb_cmd; + fd = nvme->u.nvme.desc; + priv = fd->private; + priv->comp_status = res; + schedule_work(&priv->ls_work); + /* work schedule doesn't need the sp */ + qla2x00_rel_sp(sp); +} + +static void qla_nvme_sp_done(void *ptr, int res) +{ + srb_t *sp = ptr; + struct srb_iocb *nvme; + struct nvmefc_fcp_req *fd; + + nvme = &sp->u.iocb_cmd; + fd = nvme->u.nvme.desc; + + if (!atomic_dec_and_test(&sp->ref_count)) + return; + + if (!(sp->fcport->nvme_flag & NVME_FLAG_REGISTERED)) + goto rel; + + if (unlikely(nvme->u.nvme.comp_status || res)) + fd->status = -EINVAL; + else + fd->status = 0; + + fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len; + fd->done(fd); +rel: + qla2xxx_rel_qpair_sp(sp->qpair, sp); +} + +static void qla_nvme_ls_abort(struct nvme_fc_local_port *lport, + struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd) +{ + struct nvme_private *priv = fd->private; + fc_port_t *fcport = rport->private; + srb_t *sp = priv->sp; + int rval; + struct qla_hw_data *ha = fcport->vha->hw; + + rval = ha->isp_ops->abort_command(sp); + if (rval != QLA_SUCCESS) + ql_log(ql_log_warn, fcport->vha, 0x2125, + "%s: failed to abort LS command for SP:%p rval=%x\n", + __func__, sp, rval); + + ql_dbg(ql_dbg_io, fcport->vha, 0x212b, + "%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport); +} + +static void qla_nvme_ls_complete(struct work_struct *work) +{ + struct nvme_private *priv = + container_of(work, struct nvme_private, ls_work); + struct nvmefc_ls_req *fd = priv->fd; + + fd->done(fd, priv->comp_status); +} + +static int qla_nvme_ls_req(struct nvme_fc_local_port *lport, + struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd) +{ + fc_port_t *fcport = (fc_port_t *)rport->private; + struct srb_iocb *nvme; + struct nvme_private *priv = fd->private; + struct scsi_qla_host *vha; + int rval = QLA_FUNCTION_FAILED; + struct qla_hw_data *ha; + srb_t *sp; + + if (!(fcport->nvme_flag & NVME_FLAG_REGISTERED)) + return rval; + + vha = fcport->vha; + ha = vha->hw; + /* Alloc SRB structure */ + sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC); + if (!sp) + return rval; + + sp->type = SRB_NVME_LS; + sp->name = "nvme_ls"; + sp->done = qla_nvme_sp_ls_done; + atomic_set(&sp->ref_count, 1); + init_waitqueue_head(&sp->nvme_ls_waitQ); + nvme = &sp->u.iocb_cmd; + priv->sp = sp; + priv->fd = fd; + INIT_WORK(&priv->ls_work, qla_nvme_ls_complete); + nvme->u.nvme.desc = fd; + nvme->u.nvme.dir = 0; + nvme->u.nvme.dl = 0; + nvme->u.nvme.cmd_len = fd->rqstlen; + nvme->u.nvme.rsp_len = fd->rsplen; + nvme->u.nvme.rsp_dma = fd->rspdma; + nvme->u.nvme.timeout_sec = fd->timeout; + nvme->u.nvme.cmd_dma = dma_map_single(&ha->pdev->dev, fd->rqstaddr, + fd->rqstlen, DMA_TO_DEVICE); + dma_sync_single_for_device(&ha->pdev->dev, nvme->u.nvme.cmd_dma, + fd->rqstlen, DMA_TO_DEVICE); + + rval = qla2x00_start_sp(sp); + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x700e, + "qla2x00_start_sp failed = %d\n", rval); + atomic_dec(&sp->ref_count); + wake_up(&sp->nvme_ls_waitQ); + return rval; + } + + return rval; +} + +static void qla_nvme_fcp_abort(struct nvme_fc_local_port *lport, + struct nvme_fc_remote_port *rport, void *hw_queue_handle, + struct nvmefc_fcp_req *fd) +{ + struct nvme_private *priv = fd->private; + srb_t *sp = priv->sp; + int rval; + fc_port_t *fcport = rport->private; + struct qla_hw_data *ha = fcport->vha->hw; + + rval = ha->isp_ops->abort_command(sp); + if (!rval) + ql_log(ql_log_warn, fcport->vha, 0x2127, + "%s: failed to abort command for SP:%p rval=%x\n", + __func__, sp, rval); + + ql_dbg(ql_dbg_io, fcport->vha, 0x2126, + "%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport); +} + +static void qla_nvme_poll(struct nvme_fc_local_port *lport, void *hw_queue_handle) +{ + struct scsi_qla_host *vha = lport->private; + unsigned long flags; + struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle; + + /* Acquire ring specific lock */ + spin_lock_irqsave(&qpair->qp_lock, flags); + qla24xx_process_response_queue(vha, qpair->rsp); + spin_unlock_irqrestore(&qpair->qp_lock, flags); +} + +static int qla2x00_start_nvme_mq(srb_t *sp) +{ + unsigned long flags; + uint32_t *clr_ptr; + uint32_t index; + uint32_t handle; + struct cmd_nvme *cmd_pkt; + uint16_t cnt, i; + uint16_t req_cnt; + uint16_t tot_dsds; + uint16_t avail_dsds; + uint32_t *cur_dsd; + struct req_que *req = NULL; + struct scsi_qla_host *vha = sp->fcport->vha; + struct qla_hw_data *ha = vha->hw; + struct qla_qpair *qpair = sp->qpair; + struct srb_iocb *nvme = &sp->u.iocb_cmd; + struct scatterlist *sgl, *sg; + struct nvmefc_fcp_req *fd = nvme->u.nvme.desc; + uint32_t rval = QLA_SUCCESS; + + /* Setup qpair pointers */ + req = qpair->req; + tot_dsds = fd->sg_cnt; + + /* Acquire qpair specific lock */ + spin_lock_irqsave(&qpair->qp_lock, flags); + + /* Check for room in outstanding command list. */ + handle = req->current_outstanding_cmd; + for (index = 1; index < req->num_outstanding_cmds; index++) { + handle++; + if (handle == req->num_outstanding_cmds) + handle = 1; + if (!req->outstanding_cmds[handle]) + break; + } + + if (index == req->num_outstanding_cmds) { + rval = -1; + goto queuing_error; + } + req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); + if (req->cnt < (req_cnt + 2)) { + cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : + RD_REG_DWORD_RELAXED(req->req_q_out); + + if (req->ring_index < cnt) + req->cnt = cnt - req->ring_index; + else + req->cnt = req->length - (req->ring_index - cnt); + + if (req->cnt < (req_cnt + 2)){ + rval = -1; + goto queuing_error; + } + } + + if (unlikely(!fd->sqid)) { + struct nvme_fc_cmd_iu *cmd = fd->cmdaddr; + if (cmd->sqe.common.opcode == nvme_admin_async_event) { + nvme->u.nvme.aen_op = 1; + atomic_inc(&vha->nvme_active_aen_cnt); + } + } + + /* Build command packet. */ + req->current_outstanding_cmd = handle; + req->outstanding_cmds[handle] = sp; + sp->handle = handle; + req->cnt -= req_cnt; + + cmd_pkt = (struct cmd_nvme *)req->ring_ptr; + cmd_pkt->handle = MAKE_HANDLE(req->id, handle); + + /* Zero out remaining portion of packet. */ + clr_ptr = (uint32_t *)cmd_pkt + 2; + memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); + + cmd_pkt->entry_status = 0; + + /* Update entry type to indicate Command NVME IOCB */ + cmd_pkt->entry_type = COMMAND_NVME; + + /* No data transfer how do we check buffer len == 0?? */ + if (fd->io_dir == NVMEFC_FCP_READ) { + cmd_pkt->control_flags = + cpu_to_le16(CF_READ_DATA | CF_NVME_ENABLE); + vha->qla_stats.input_bytes += fd->payload_length; + vha->qla_stats.input_requests++; + } else if (fd->io_dir == NVMEFC_FCP_WRITE) { + cmd_pkt->control_flags = + cpu_to_le16(CF_WRITE_DATA | CF_NVME_ENABLE); + vha->qla_stats.output_bytes += fd->payload_length; + vha->qla_stats.output_requests++; + } else if (fd->io_dir == 0) { + cmd_pkt->control_flags = cpu_to_le16(CF_NVME_ENABLE); + } + + /* Set NPORT-ID */ + cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); + cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; + cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; + cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; + cmd_pkt->vp_index = sp->fcport->vha->vp_idx; + + /* NVME RSP IU */ + cmd_pkt->nvme_rsp_dsd_len = cpu_to_le16(fd->rsplen); + cmd_pkt->nvme_rsp_dseg_address[0] = cpu_to_le32(LSD(fd->rspdma)); + cmd_pkt->nvme_rsp_dseg_address[1] = cpu_to_le32(MSD(fd->rspdma)); + + /* NVME CNMD IU */ + cmd_pkt->nvme_cmnd_dseg_len = cpu_to_le16(fd->cmdlen); + cmd_pkt->nvme_cmnd_dseg_address[0] = cpu_to_le32(LSD(fd->cmddma)); + cmd_pkt->nvme_cmnd_dseg_address[1] = cpu_to_le32(MSD(fd->cmddma)); + + cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); + cmd_pkt->byte_count = cpu_to_le32(fd->payload_length); + + /* One DSD is available in the Command Type NVME IOCB */ + avail_dsds = 1; + cur_dsd = (uint32_t *)&cmd_pkt->nvme_data_dseg_address[0]; + sgl = fd->first_sgl; + + /* Load data segments */ + for_each_sg(sgl, sg, tot_dsds, i) { + dma_addr_t sle_dma; + cont_a64_entry_t *cont_pkt; + + /* Allocate additional continuation packets? */ + if (avail_dsds == 0) { + /* + * Five DSDs are available in the Continuation + * Type 1 IOCB. + */ + + /* Adjust ring index */ + req->ring_index++; + if (req->ring_index == req->length) { + req->ring_index = 0; + req->ring_ptr = req->ring; + } else { + req->ring_ptr++; + } + cont_pkt = (cont_a64_entry_t *)req->ring_ptr; + *((uint32_t *)(&cont_pkt->entry_type)) = + cpu_to_le32(CONTINUE_A64_TYPE); + + cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; + avail_dsds = 5; + } + + sle_dma = sg_dma_address(sg); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); + avail_dsds--; + } + + /* Set total entry count. */ + cmd_pkt->entry_count = (uint8_t)req_cnt; + wmb(); + + /* Adjust ring index. */ + req->ring_index++; + if (req->ring_index == req->length) { + req->ring_index = 0; + req->ring_ptr = req->ring; + } else { + req->ring_ptr++; + } + + /* Set chip new ring index. */ + WRT_REG_DWORD(req->req_q_in, req->ring_index); + +queuing_error: + spin_unlock_irqrestore(&qpair->qp_lock, flags); + return rval; +} + +/* Post a command */ +static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, + struct nvme_fc_remote_port *rport, void *hw_queue_handle, + struct nvmefc_fcp_req *fd) +{ + fc_port_t *fcport; + struct srb_iocb *nvme; + struct scsi_qla_host *vha; + int rval = QLA_FUNCTION_FAILED; + srb_t *sp; + struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle; + struct nvme_private *priv; + + if (!fd) { + ql_log(ql_log_warn, NULL, 0x2134, "NO NVMe FCP request\n"); + return rval; + } + + priv = fd->private; + fcport = (fc_port_t *)rport->private; + if (!fcport) { + ql_log(ql_log_warn, NULL, 0x210e, "No fcport ptr\n"); + return rval; + } + + vha = fcport->vha; + if ((!qpair) || (!(fcport->nvme_flag & NVME_FLAG_REGISTERED))) + return -EBUSY; + + /* Alloc SRB structure */ + sp = qla2xxx_get_qpair_sp(qpair, fcport, GFP_ATOMIC); + if (!sp) + return -EIO; + + atomic_set(&sp->ref_count, 1); + init_waitqueue_head(&sp->nvme_ls_waitQ); + priv->sp = sp; + sp->type = SRB_NVME_CMD; + sp->name = "nvme_cmd"; + sp->done = qla_nvme_sp_done; + sp->qpair = qpair; + nvme = &sp->u.iocb_cmd; + nvme->u.nvme.desc = fd; + + rval = qla2x00_start_nvme_mq(sp); + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x212d, + "qla2x00_start_nvme_mq failed = %d\n", rval); + atomic_dec(&sp->ref_count); + wake_up(&sp->nvme_ls_waitQ); + return -EIO; + } + + return rval; +} + +static void qla_nvme_localport_delete(struct nvme_fc_local_port *lport) +{ + struct scsi_qla_host *vha = lport->private; + + atomic_dec(&vha->nvme_ref_count); + wake_up_all(&vha->nvme_waitQ); + + ql_log(ql_log_info, vha, 0x210f, + "localport delete of %p completed.\n", vha->nvme_local_port); + vha->nvme_local_port = NULL; +} + +static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport) +{ + fc_port_t *fcport; + struct nvme_rport *r_port, *trport; + + fcport = (fc_port_t *)rport->private; + fcport->nvme_remote_port = NULL; + fcport->nvme_flag &= ~NVME_FLAG_REGISTERED; + atomic_dec(&fcport->nvme_ref_count); + wake_up_all(&fcport->nvme_waitQ); + + list_for_each_entry_safe(r_port, trport, + &fcport->vha->nvme_rport_list, list) { + if (r_port->fcport == fcport) { + list_del(&r_port->list); + break; + } + } + kfree(r_port); + + ql_log(ql_log_info, fcport->vha, 0x2110, + "remoteport_delete of %p completed.\n", fcport); +} + +static struct nvme_fc_port_template qla_nvme_fc_transport = { + .localport_delete = qla_nvme_localport_delete, + .remoteport_delete = qla_nvme_remoteport_delete, + .create_queue = qla_nvme_alloc_queue, + .delete_queue = NULL, + .ls_req = qla_nvme_ls_req, + .ls_abort = qla_nvme_ls_abort, + .fcp_io = qla_nvme_post_cmd, + .fcp_abort = qla_nvme_fcp_abort, + .poll_queue = qla_nvme_poll, + .max_hw_queues = 8, + .max_sgl_segments = 128, + .max_dif_sgl_segments = 64, + .dma_boundary = 0xFFFFFFFF, + .local_priv_sz = 8, + .remote_priv_sz = 0, + .lsrqst_priv_sz = sizeof(struct nvme_private), + .fcprqst_priv_sz = sizeof(struct nvme_private), +}; + +#define NVME_ABORT_POLLING_PERIOD 2 +static int qla_nvme_wait_on_command(srb_t *sp) +{ + int ret = QLA_SUCCESS; + + wait_event_timeout(sp->nvme_ls_waitQ, (atomic_read(&sp->ref_count) > 1), + NVME_ABORT_POLLING_PERIOD*HZ); + + if (atomic_read(&sp->ref_count) > 1) + ret = QLA_FUNCTION_FAILED; + + return ret; +} + +static int qla_nvme_wait_on_rport_del(fc_port_t *fcport) +{ + int ret = QLA_SUCCESS; + + wait_event_timeout(fcport->nvme_waitQ, + atomic_read(&fcport->nvme_ref_count), + NVME_ABORT_POLLING_PERIOD*HZ); + + if (atomic_read(&fcport->nvme_ref_count)) { + ret = QLA_FUNCTION_FAILED; + ql_log(ql_log_info, fcport->vha, 0x2111, + "timed out waiting for fcport=%p to delete\n", fcport); + } + + return ret; +} + +void qla_nvme_abort(struct qla_hw_data *ha, srb_t *sp) +{ + int rval; + + rval = ha->isp_ops->abort_command(sp); + if (!rval) { + if (!qla_nvme_wait_on_command(sp)) + ql_log(ql_log_warn, NULL, 0x2112, + "nvme_wait_on_command timed out waiting on sp=%p\n", + sp); + } +} + +static void qla_nvme_abort_all(fc_port_t *fcport) +{ + int que, cnt; + unsigned long flags; + srb_t *sp; + struct qla_hw_data *ha = fcport->vha->hw; + struct req_que *req; + + spin_lock_irqsave(&ha->hardware_lock, flags); + for (que = 0; que < ha->max_req_queues; que++) { + req = ha->req_q_map[que]; + if (!req) + continue; + if (!req->outstanding_cmds) + continue; + for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { + sp = req->outstanding_cmds[cnt]; + if ((sp) && ((sp->type == SRB_NVME_CMD) || + (sp->type == SRB_NVME_LS)) && + (sp->fcport == fcport)) { + atomic_inc(&sp->ref_count); + spin_unlock_irqrestore(&ha->hardware_lock, + flags); + qla_nvme_abort(ha, sp); + spin_lock_irqsave(&ha->hardware_lock, flags); + req->outstanding_cmds[cnt] = NULL; + sp->done(sp, 1); + } + } + } + spin_unlock_irqrestore(&ha->hardware_lock, flags); +} + +static void qla_nvme_unregister_remote_port(struct work_struct *work) +{ + struct fc_port *fcport = container_of(work, struct fc_port, + nvme_del_work); + struct nvme_rport *rport, *trport; + + if (!IS_ENABLED(CONFIG_NVME_FC)) + return; + + list_for_each_entry_safe(rport, trport, + &fcport->vha->nvme_rport_list, list) { + if (rport->fcport == fcport) { + ql_log(ql_log_info, fcport->vha, 0x2113, + "%s: fcport=%p\n", __func__, fcport); + nvme_fc_unregister_remoteport( + fcport->nvme_remote_port); + } + } +} + +void qla_nvme_delete(scsi_qla_host_t *vha) +{ + struct nvme_rport *rport, *trport; + fc_port_t *fcport; + int nv_ret; + + if (!IS_ENABLED(CONFIG_NVME_FC)) + return; + + list_for_each_entry_safe(rport, trport, &vha->nvme_rport_list, list) { + fcport = rport->fcport; + + ql_log(ql_log_info, fcport->vha, 0x2114, "%s: fcport=%p\n", + __func__, fcport); + + nvme_fc_unregister_remoteport(fcport->nvme_remote_port); + qla_nvme_wait_on_rport_del(fcport); + qla_nvme_abort_all(fcport); + } + + if (vha->nvme_local_port) { + nv_ret = nvme_fc_unregister_localport(vha->nvme_local_port); + if (nv_ret == 0) + ql_log(ql_log_info, vha, 0x2116, + "unregistered localport=%p\n", + vha->nvme_local_port); + else + ql_log(ql_log_info, vha, 0x2115, + "Unregister of localport failed\n"); + } +} + +void qla_nvme_register_hba(scsi_qla_host_t *vha) +{ + struct nvme_fc_port_template *tmpl; + struct qla_hw_data *ha; + struct nvme_fc_port_info pinfo; + int ret; + + if (!IS_ENABLED(CONFIG_NVME_FC)) + return; + + ha = vha->hw; + tmpl = &qla_nvme_fc_transport; + + WARN_ON(vha->nvme_local_port); + WARN_ON(ha->max_req_queues < 3); + + qla_nvme_fc_transport.max_hw_queues = + min((uint8_t)(qla_nvme_fc_transport.max_hw_queues), + (uint8_t)(ha->max_req_queues - 2)); + + pinfo.node_name = wwn_to_u64(vha->node_name); + pinfo.port_name = wwn_to_u64(vha->port_name); + pinfo.port_role = FC_PORT_ROLE_NVME_INITIATOR; + pinfo.port_id = vha->d_id.b24; + + ql_log(ql_log_info, vha, 0xffff, + "register_localport: host-traddr=pn-0x%llx:nn-0x%llx on portID:%x\n", + pinfo.port_name, pinfo.node_name, pinfo.port_id); + qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary; + + ret = nvme_fc_register_localport(&pinfo, tmpl, + get_device(&ha->pdev->dev), &vha->nvme_local_port); + if (ret) { + ql_log(ql_log_warn, vha, 0xffff, + "register_localport failed: ret=%x\n", ret); + return; + } + atomic_set(&vha->nvme_ref_count, 1); + vha->nvme_local_port->private = vha; + init_waitqueue_head(&vha->nvme_waitQ); +} |