diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 547 |
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); |
