diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 127 |
1 files changed, 85 insertions, 42 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 2b535cff4b2..09632ea689e 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -212,7 +212,6 @@ lpfc_config_port_prep(struct lpfc_hba *phba) lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); if (!lpfc_vpd_data) goto out_free_mbox; - do { lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); @@ -603,7 +602,6 @@ lpfc_config_port_post(struct lpfc_hba *phba) /* 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); @@ -2690,6 +2688,7 @@ lpfc_scsi_free(struct lpfc_hba *phba) kfree(io); phba->total_iocbq_bufs--; } + spin_unlock_irq(&phba->hbalock); return 0; } @@ -3646,6 +3645,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, "2718 Clear Virtual Link Received for VPI 0x%x" " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); + vport = lpfc_find_vport_by_vpid(phba, acqe_fip->index - phba->vpi_base); ndlp = lpfc_sli4_perform_vport_cvl(vport); @@ -4319,7 +4319,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock); /* - * Initialize dirver internal slow-path work queues + * Initialize driver internal slow-path work queues */ /* Driver internel slow-path CQ Event pool */ @@ -4335,6 +4335,12 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* Receive queue CQ Event work queue list */ INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); + /* Initialize extent block lists. */ + INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list); + INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list); + INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list); + INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list); + /* Initialize the driver internal SLI layer lists. */ lpfc_sli_setup(phba); lpfc_sli_queue_setup(phba); @@ -4409,9 +4415,19 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) } /* * Get sli4 parameters that override parameters from Port capabilities. - * If this call fails it is not a critical error so continue loading. + * If this call fails, it isn't critical unless the SLI4 parameters come + * back in conflict. */ - lpfc_get_sli4_parameters(phba, mboxq); + rc = lpfc_get_sli4_parameters(phba, mboxq); + if (rc) { + if (phba->sli4_hba.extents_in_use && + phba->sli4_hba.rpi_hdrs_in_use) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2999 Unsupported SLI4 Parameters " + "Extents and RPI headers enabled.\n"); + goto out_free_bsmbx; + } + } mempool_free(mboxq, phba->mbox_mem_pool); /* Create all the SLI4 queues */ rc = lpfc_sli4_queue_create(phba); @@ -4436,7 +4452,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) "1430 Failed to initialize sgl list.\n"); goto out_free_sgl_list; } - rc = lpfc_sli4_init_rpi_hdrs(phba); if (rc) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -4555,6 +4570,9 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) lpfc_sli4_cq_event_release_all(phba); lpfc_sli4_cq_event_pool_destroy(phba); + /* Release resource identifiers. */ + lpfc_sli4_dealloc_resource_identifiers(phba); + /* Free the bsmbx region. */ lpfc_destroy_bootstrap_mbox(phba); @@ -4755,6 +4773,7 @@ lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) "Unloading driver.\n", __func__); goto out_free_iocbq; } + iocbq_entry->sli4_lxritag = NO_XRI; iocbq_entry->sli4_xritag = NO_XRI; spin_lock_irq(&phba->hbalock); @@ -4852,7 +4871,7 @@ lpfc_init_sgl_list(struct lpfc_hba *phba) els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "2400 lpfc_init_sgl_list els %d.\n", + "2400 ELS XRI count %d.\n", els_xri_cnt); /* Initialize and populate the sglq list per host/VF. */ INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); @@ -4885,7 +4904,6 @@ lpfc_init_sgl_list(struct lpfc_hba *phba) phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; phba->sli4_hba.scsi_xri_cnt = 0; - phba->sli4_hba.lpfc_scsi_psb_array = kzalloc((sizeof(struct lpfc_scsi_buf *) * phba->sli4_hba.scsi_xri_max), GFP_KERNEL); @@ -4908,13 +4926,6 @@ lpfc_init_sgl_list(struct lpfc_hba *phba) goto out_free_mem; } - sglq_entry->sli4_xritag = lpfc_sli4_next_xritag(phba); - if (sglq_entry->sli4_xritag == NO_XRI) { - kfree(sglq_entry); - printk(KERN_ERR "%s: failed to allocate XRI.\n" - "Unloading driver.\n", __func__); - goto out_free_mem; - } sglq_entry->buff_type = GEN_BUFF_TYPE; sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys); if (sglq_entry->virt == NULL) { @@ -4963,24 +4974,20 @@ int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) { int rc = 0; - int longs; - uint16_t rpi_count; struct lpfc_rpi_hdr *rpi_hdr; INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); - /* - * Provision an rpi bitmask range for discovery. The total count - * is the difference between max and base + 1. + * If the SLI4 port supports extents, posting the rpi header isn't + * required. Set the expected maximum count and let the actual value + * get set when extents are fully allocated. */ - rpi_count = phba->sli4_hba.max_cfg_param.rpi_base + - phba->sli4_hba.max_cfg_param.max_rpi - 1; - - longs = ((rpi_count) + BITS_PER_LONG - 1) / BITS_PER_LONG; - phba->sli4_hba.rpi_bmask = kzalloc(longs * sizeof(unsigned long), - GFP_KERNEL); - if (!phba->sli4_hba.rpi_bmask) - return -ENOMEM; + if (!phba->sli4_hba.rpi_hdrs_in_use) { + phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi; + return rc; + } + if (phba->sli4_hba.extents_in_use) + return -EIO; rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); if (!rpi_hdr) { @@ -5014,11 +5021,28 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) struct lpfc_rpi_hdr *rpi_hdr; uint32_t rpi_count; + /* + * If the SLI4 port supports extents, posting the rpi header isn't + * required. Set the expected maximum count and let the actual value + * get set when extents are fully allocated. + */ + if (!phba->sli4_hba.rpi_hdrs_in_use) + return NULL; + if (phba->sli4_hba.extents_in_use) + return NULL; + + /* The limit on the logical index is just the max_rpi count. */ rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + - phba->sli4_hba.max_cfg_param.max_rpi - 1; + phba->sli4_hba.max_cfg_param.max_rpi - 1; spin_lock_irq(&phba->hbalock); - curr_rpi_range = phba->sli4_hba.next_rpi; + /* + * Establish the starting RPI in this header block. The starting + * rpi is normalized to a zero base because the physical rpi is + * port based. + */ + curr_rpi_range = phba->sli4_hba.next_rpi - + phba->sli4_hba.max_cfg_param.rpi_base; spin_unlock_irq(&phba->hbalock); /* @@ -5031,6 +5055,8 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) else rpi_count = LPFC_RPI_HDR_COUNT; + if (!rpi_count) + return NULL; /* * First allocate the protocol header region for the port. The * port expects a 4KB DMA-mapped memory region that is 4K aligned. @@ -5063,12 +5089,14 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; rpi_hdr->page_count = 1; spin_lock_irq(&phba->hbalock); - rpi_hdr->start_rpi = phba->sli4_hba.next_rpi; + + /* The rpi_hdr stores the logical index only. */ + rpi_hdr->start_rpi = curr_rpi_range; list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); /* - * The next_rpi stores the next module-64 rpi value to post - * in any subsequent rpi memory region postings. + * The next_rpi stores the next logical module-64 rpi value used + * to post physical rpis in subsequent rpi postings. */ phba->sli4_hba.next_rpi += rpi_count; spin_unlock_irq(&phba->hbalock); @@ -5087,15 +5115,18 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) * @phba: pointer to lpfc hba data structure. * * This routine is invoked to remove all memory resources allocated - * to support rpis. This routine presumes the caller has released all - * rpis consumed by fabric or port logins and is prepared to have - * the header pages removed. + * to support rpis for SLI4 ports not supporting extents. This routine + * presumes the caller has released all rpis consumed by fabric or port + * logins and is prepared to have the header pages removed. **/ void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) { struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; + if (!phba->sli4_hba.rpi_hdrs_in_use) + goto exit; + list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, &phba->sli4_hba.lpfc_rpi_hdr_list, list) { list_del(&rpi_hdr->list); @@ -5104,7 +5135,9 @@ lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) kfree(rpi_hdr->dmabuf); kfree(rpi_hdr); } - phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; + exit: + /* There are no rpis available to the port now. */ + phba->sli4_hba.next_rpi = 0; } /** @@ -5873,6 +5906,8 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) rc = -EIO; } else { rd_config = &pmb->u.mqe.un.rd_config; + phba->sli4_hba.extents_in_use = + bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); phba->sli4_hba.max_cfg_param.max_xri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); phba->sli4_hba.max_cfg_param.xri_base = @@ -5891,8 +5926,6 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); phba->sli4_hba.max_cfg_param.max_fcfi = bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); - phba->sli4_hba.max_cfg_param.fcfi_base = - bf_get(lpfc_mbx_rd_conf_fcfi_base, rd_config); phba->sli4_hba.max_cfg_param.max_eq = bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); phba->sli4_hba.max_cfg_param.max_rq = @@ -5910,11 +5943,13 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; phba->max_vports = phba->max_vpi; lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "2003 cfg params XRI(B:%d M:%d), " + "2003 cfg params Extents? %d " + "XRI(B:%d M:%d), " "VPI(B:%d M:%d) " "VFI(B:%d M:%d) " "RPI(B:%d M:%d) " - "FCFI(B:%d M:%d)\n", + "FCFI(Count:%d)\n", + phba->sli4_hba.extents_in_use, phba->sli4_hba.max_cfg_param.xri_base, phba->sli4_hba.max_cfg_param.max_xri, phba->sli4_hba.max_cfg_param.vpi_base, @@ -5923,7 +5958,6 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) phba->sli4_hba.max_cfg_param.max_vfi, phba->sli4_hba.max_cfg_param.rpi_base, phba->sli4_hba.max_cfg_param.max_rpi, - phba->sli4_hba.max_cfg_param.fcfi_base, phba->sli4_hba.max_cfg_param.max_fcfi); } @@ -8104,6 +8138,13 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) int length; struct lpfc_sli4_parameters *mbx_sli4_parameters; + /* + * By default, the driver assumes the SLI4 port requires RPI + * header postings. The SLI4_PARAM response will correct this + * assumption. + */ + phba->sli4_hba.rpi_hdrs_in_use = 1; + /* Read the port's SLI4 Config Parameters */ length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - sizeof(struct lpfc_sli4_cfg_mhdr)); @@ -8140,6 +8181,8 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) mbx_sli4_parameters); sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, mbx_sli4_parameters); + phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); + phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); /* Make sure that sge_supp_len can be handled by the driver */ if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) |