X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fscsi%2Flpfc%2Flpfc_hbadisc.c;h=311ed6dea726b49638bdcdf3d8193f4642797b56;hb=f64f79ea5f5e02ba8585f35a10b4a3bcab0cea52;hp=710efec1221f9ab212c64c4bf6d002c6ba4bec5a;hpb=5024ab179c13d763f95c8391f45f22309609f479;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 710efec..311ed6d 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2008 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -30,12 +30,15 @@ #include #include "lpfc_hw.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_sli.h" #include "lpfc_scsi.h" #include "lpfc.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" +#include "lpfc_vport.h" +#include "lpfc_debugfs.h" /* AlpaArray for assignment of scsid for scan-down and bind_method */ static uint8_t lpfcAlpaArray[] = { @@ -54,192 +57,523 @@ static uint8_t lpfcAlpaArray[] = { 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 }; -static void lpfc_disc_timeout_handler(struct lpfc_hba *); +static void lpfc_disc_timeout_handler(struct lpfc_vport *); +static void lpfc_disc_flush_list(struct lpfc_vport *vport); +void +lpfc_terminate_rport_io(struct fc_rport *rport) +{ + struct lpfc_rport_data *rdata; + struct lpfc_nodelist * ndlp; + struct lpfc_hba *phba; + + rdata = rport->dd_data; + ndlp = rdata->pnode; + + if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { + if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) + printk(KERN_ERR "Cannot find remote node" + " to terminate I/O Data x%x\n", + rport->port_id); + return; + } + + phba = ndlp->vport->phba; + + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, + "rport terminate: sid:x%x did:x%x flg:x%x", + ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); + + if (ndlp->nlp_sid != NLP_NO_SID) { + lpfc_sli_abort_iocb(ndlp->vport, + &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, LPFC_CTX_TGT); + } +} + +/* + * This function will be called when dev_loss_tmo fire. + */ +void +lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) +{ + struct lpfc_rport_data *rdata; + struct lpfc_nodelist * ndlp; + struct lpfc_vport *vport; + struct lpfc_hba *phba; + struct lpfc_work_evt *evtp; + int put_node; + int put_rport; + + rdata = rport->dd_data; + ndlp = rdata->pnode; + if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) + return; + + vport = ndlp->vport; + phba = vport->phba; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, + "rport devlosscb: sid:x%x did:x%x flg:x%x", + ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); + + /* Don't defer this if we are in the process of deleting the vport + * or unloading the driver. The unload will cleanup the node + * appropriately we just need to cleanup the ndlp rport info here. + */ + if (vport->load_flag & FC_UNLOADING) { + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); + return; + } + + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) + return; + + evtp = &ndlp->dev_loss_evt; + + if (!list_empty(&evtp->evt_listp)) + return; + + spin_lock_irq(&phba->hbalock); + /* We need to hold the node by incrementing the reference + * count until this queued work is done + */ + evtp->evt_arg1 = lpfc_nlp_get(ndlp); + if (evtp->evt_arg1) { + evtp->evt = LPFC_EVT_DEV_LOSS; + list_add_tail(&evtp->evt_listp, &phba->work_list); + lpfc_worker_wake_up(phba); + } + spin_unlock_irq(&phba->hbalock); + + return; +} + +/* + * This function is called from the worker thread when dev_loss_tmo + * expire. + */ static void -lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) +lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) { + struct lpfc_rport_data *rdata; + struct fc_rport *rport; + struct lpfc_vport *vport; + struct lpfc_hba *phba; + uint8_t *name; + int put_node; + int put_rport; int warn_on = 0; - spin_lock_irq(phba->host->host_lock); - if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) { - spin_unlock_irq(phba->host->host_lock); + rport = ndlp->rport; + + if (!rport) + return; + + rdata = rport->dd_data; + name = (uint8_t *) &ndlp->nlp_portname; + vport = ndlp->vport; + phba = vport->phba; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, + "rport devlosstmo:did:x%x type:x%x id:x%x", + ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); + + /* Don't defer this if we are in the process of deleting the vport + * or unloading the driver. The unload will cleanup the node + * appropriately we just need to cleanup the ndlp rport info here. + */ + if (vport->load_flag & FC_UNLOADING) { + if (ndlp->nlp_sid != NLP_NO_SID) { + /* flush the target */ + lpfc_sli_abort_iocb(vport, + &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, LPFC_CTX_TGT); + } + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); return; } - ndlp->nlp_flag &= ~NLP_NODEV_TMO; + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0284 Devloss timeout Ignored on " + "WWPN %x:%x:%x:%x:%x:%x:%x:%x " + "NPort x%x\n", + *name, *(name+1), *(name+2), *(name+3), + *(name+4), *(name+5), *(name+6), *(name+7), + ndlp->nlp_DID); + return; + } + + if (ndlp->nlp_type & NLP_FABRIC) { + /* We will clean up these Nodes in linkup */ + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); + return; + } if (ndlp->nlp_sid != NLP_NO_SID) { warn_on = 1; /* flush the target */ - lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], - ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); + lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, LPFC_CTX_TGT); } - spin_unlock_irq(phba->host->host_lock); if (warn_on) { - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, - "%d:0203 Nodev timeout on NPort x%x " - "Data: x%x x%x x%x\n", - phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, - ndlp->nlp_state, ndlp->nlp_rpi); + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0203 Devloss timeout on " + "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " + "NPort x%06x Data: x%x x%x x%x\n", + *name, *(name+1), *(name+2), *(name+3), + *(name+4), *(name+5), *(name+6), *(name+7), + ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); } else { - lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, - "%d:0204 Nodev timeout on NPort x%x " - "Data: x%x x%x x%x\n", - phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, - ndlp->nlp_state, ndlp->nlp_rpi); + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0204 Devloss timeout on " + "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " + "NPort x%06x Data: x%x x%x x%x\n", + *name, *(name+1), *(name+2), *(name+3), + *(name+4), *(name+5), *(name+6), *(name+7), + ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); + } + + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); + + if (!(vport->load_flag & FC_UNLOADING) && + !(ndlp->nlp_flag & NLP_DELAY_TMO) && + !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && + (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) + lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); +} + +/** + * lpfc_alloc_fast_evt: Allocates data structure for posting event. + * @phba: Pointer to hba context object. + * + * This function is called from the functions which need to post + * events from interrupt context. This function allocates data + * structure required for posting event. It also keeps track of + * number of events pending and prevent event storm when there are + * too many events. + **/ +struct lpfc_fast_path_event * +lpfc_alloc_fast_evt(struct lpfc_hba *phba) { + struct lpfc_fast_path_event *ret; + + /* If there are lot of fast event do not exhaust memory due to this */ + if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) + return NULL; + + ret = kzalloc(sizeof(struct lpfc_fast_path_event), + GFP_ATOMIC); + if (ret) + atomic_inc(&phba->fast_event_count); + INIT_LIST_HEAD(&ret->work_evt.evt_listp); + ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; + return ret; +} + +/** + * lpfc_free_fast_evt: Frees event data structure. + * @phba: Pointer to hba context object. + * @evt: Event object which need to be freed. + * + * This function frees the data structure required for posting + * events. + **/ +void +lpfc_free_fast_evt(struct lpfc_hba *phba, + struct lpfc_fast_path_event *evt) { + + atomic_dec(&phba->fast_event_count); + kfree(evt); +} + +/** + * lpfc_send_fastpath_evt: Posts events generated from fast path. + * @phba: Pointer to hba context object. + * @evtp: Event data structure. + * + * This function is called from worker thread, when the interrupt + * context need to post an event. This function posts the event + * to fc transport netlink interface. + **/ +static void +lpfc_send_fastpath_evt(struct lpfc_hba *phba, + struct lpfc_work_evt *evtp) +{ + unsigned long evt_category, evt_sub_category; + struct lpfc_fast_path_event *fast_evt_data; + char *evt_data; + uint32_t evt_data_size; + struct Scsi_Host *shost; + + fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, + work_evt); + + evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; + evt_sub_category = (unsigned long) fast_evt_data->un. + fabric_evt.subcategory; + shost = lpfc_shost_from_vport(fast_evt_data->vport); + if (evt_category == FC_REG_FABRIC_EVENT) { + if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { + evt_data = (char *) &fast_evt_data->un.read_check_error; + evt_data_size = sizeof(fast_evt_data->un. + read_check_error); + } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || + (evt_sub_category == LPFC_EVENT_PORT_BUSY)) { + evt_data = (char *) &fast_evt_data->un.fabric_evt; + evt_data_size = sizeof(fast_evt_data->un.fabric_evt); + } else { + lpfc_free_fast_evt(phba, fast_evt_data); + return; + } + } else if (evt_category == FC_REG_SCSI_EVENT) { + switch (evt_sub_category) { + case LPFC_EVENT_QFULL: + case LPFC_EVENT_DEVBSY: + evt_data = (char *) &fast_evt_data->un.scsi_evt; + evt_data_size = sizeof(fast_evt_data->un.scsi_evt); + break; + case LPFC_EVENT_CHECK_COND: + evt_data = (char *) &fast_evt_data->un.check_cond_evt; + evt_data_size = sizeof(fast_evt_data->un. + check_cond_evt); + break; + case LPFC_EVENT_VARQUEDEPTH: + evt_data = (char *) &fast_evt_data->un.queue_depth_evt; + evt_data_size = sizeof(fast_evt_data->un. + queue_depth_evt); + break; + default: + lpfc_free_fast_evt(phba, fast_evt_data); + return; + } + } else { + lpfc_free_fast_evt(phba, fast_evt_data); + return; } - lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); + fc_host_post_vendor_event(shost, + fc_get_event_number(), + evt_data_size, + evt_data, + LPFC_NL_VENDOR_ID); + + lpfc_free_fast_evt(phba, fast_evt_data); return; } static void -lpfc_work_list_done(struct lpfc_hba * phba) +lpfc_work_list_done(struct lpfc_hba *phba) { struct lpfc_work_evt *evtp = NULL; struct lpfc_nodelist *ndlp; int free_evt; - spin_lock_irq(phba->host->host_lock); - while(!list_empty(&phba->work_list)) { + spin_lock_irq(&phba->hbalock); + while (!list_empty(&phba->work_list)) { list_remove_head((&phba->work_list), evtp, typeof(*evtp), evt_listp); - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); free_evt = 1; - switch(evtp->evt) { - case LPFC_EVT_NODEV_TMO: - ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); - lpfc_process_nodev_timeout(phba, ndlp); - free_evt = 0; - break; + switch (evtp->evt) { case LPFC_EVT_ELS_RETRY: - ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); + ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); lpfc_els_retry_delay_handler(ndlp); + free_evt = 0; /* evt is part of ndlp */ + /* decrement the node reference count held + * for this queued work + */ + lpfc_nlp_put(ndlp); + break; + case LPFC_EVT_DEV_LOSS: + ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); + lpfc_dev_loss_tmo_handler(ndlp); free_evt = 0; + /* decrement the node reference count held for + * this queued work + */ + lpfc_nlp_put(ndlp); break; case LPFC_EVT_ONLINE: - if (phba->hba_state < LPFC_LINK_DOWN) - *(int *)(evtp->evt_arg1) = lpfc_online(phba); + if (phba->link_state < LPFC_LINK_DOWN) + *(int *) (evtp->evt_arg1) = lpfc_online(phba); else - *(int *)(evtp->evt_arg1) = 0; + *(int *) (evtp->evt_arg1) = 0; + complete((struct completion *)(evtp->evt_arg2)); + break; + case LPFC_EVT_OFFLINE_PREP: + if (phba->link_state >= LPFC_LINK_DOWN) + lpfc_offline_prep(phba); + *(int *)(evtp->evt_arg1) = 0; complete((struct completion *)(evtp->evt_arg2)); break; case LPFC_EVT_OFFLINE: - if (phba->hba_state >= LPFC_LINK_DOWN) - lpfc_offline(phba); + lpfc_offline(phba); lpfc_sli_brdrestart(phba); *(int *)(evtp->evt_arg1) = - lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY); + lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); + lpfc_unblock_mgmt_io(phba); complete((struct completion *)(evtp->evt_arg2)); break; case LPFC_EVT_WARM_START: - if (phba->hba_state >= LPFC_LINK_DOWN) - lpfc_offline(phba); + lpfc_offline(phba); + lpfc_reset_barrier(phba); lpfc_sli_brdreset(phba); lpfc_hba_down_post(phba); *(int *)(evtp->evt_arg1) = lpfc_sli_brdready(phba, HS_MBRDY); + lpfc_unblock_mgmt_io(phba); complete((struct completion *)(evtp->evt_arg2)); break; case LPFC_EVT_KILL: - if (phba->hba_state >= LPFC_LINK_DOWN) - lpfc_offline(phba); - *(int *)(evtp->evt_arg1) = lpfc_sli_brdkill(phba); + lpfc_offline(phba); + *(int *)(evtp->evt_arg1) + = (phba->pport->stopped) + ? 0 : lpfc_sli_brdkill(phba); + lpfc_unblock_mgmt_io(phba); complete((struct completion *)(evtp->evt_arg2)); break; + case LPFC_EVT_FASTPATH_MGMT_EVT: + lpfc_send_fastpath_evt(phba, evtp); + free_evt = 0; + break; } if (free_evt) kfree(evtp); - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(&phba->hbalock); } - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); } static void -lpfc_work_done(struct lpfc_hba * phba) +lpfc_work_done(struct lpfc_hba *phba) { struct lpfc_sli_ring *pring; + uint32_t ha_copy, status, control, work_port_events; + struct lpfc_vport **vports; + struct lpfc_vport *vport; int i; - uint32_t ha_copy; - uint32_t control; - uint32_t work_hba_events; - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(&phba->hbalock); ha_copy = phba->work_ha; phba->work_ha = 0; - work_hba_events=phba->work_hba_events; - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); - if(ha_copy & HA_ERATT) + if (ha_copy & HA_ERATT) + /* Handle the error attention event */ lpfc_handle_eratt(phba); - if(ha_copy & HA_MBATT) + if (ha_copy & HA_MBATT) lpfc_sli_handle_mb_event(phba); - if(ha_copy & HA_LATT) + if (ha_copy & HA_LATT) lpfc_handle_latt(phba); - if (work_hba_events & WORKER_DISC_TMO) - lpfc_disc_timeout_handler(phba); - - if (work_hba_events & WORKER_ELS_TMO) - lpfc_els_timeout_handler(phba); - - if (work_hba_events & WORKER_MBOX_TMO) - lpfc_mbox_timeout_handler(phba); - - if (work_hba_events & WORKER_FDMI_TMO) - lpfc_fdmi_tmo_handler(phba); - - spin_lock_irq(phba->host->host_lock); - phba->work_hba_events &= ~work_hba_events; - spin_unlock_irq(phba->host->host_lock); - - for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { - pring = &phba->sli.ring[i]; - if ((ha_copy & HA_RXATT) - || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { - if (pring->flag & LPFC_STOP_IOCB_MASK) { - pring->flag |= LPFC_DEFERRED_RING_EVENT; - } else { - lpfc_sli_handle_slow_ring_event(phba, pring, - (ha_copy & - HA_RXMASK)); - pring->flag &= ~LPFC_DEFERRED_RING_EVENT; - } + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) + for(i = 0; i <= phba->max_vpi; i++) { /* - * Turn on Ring interrupts + * We could have no vports in array if unloading, so if + * this happens then just use the pport */ - spin_lock_irq(phba->host->host_lock); - control = readl(phba->HCregaddr); - control |= (HC_R0INT_ENA << i); + if (vports[i] == NULL && i == 0) + vport = phba->pport; + else + vport = vports[i]; + if (vport == NULL) + break; + spin_lock_irq(&vport->work_port_lock); + work_port_events = vport->work_port_events; + vport->work_port_events &= ~work_port_events; + spin_unlock_irq(&vport->work_port_lock); + if (work_port_events & WORKER_DISC_TMO) + lpfc_disc_timeout_handler(vport); + if (work_port_events & WORKER_ELS_TMO) + lpfc_els_timeout_handler(vport); + if (work_port_events & WORKER_HB_TMO) + lpfc_hb_timeout_handler(phba); + if (work_port_events & WORKER_MBOX_TMO) + lpfc_mbox_timeout_handler(phba); + if (work_port_events & WORKER_FABRIC_BLOCK_TMO) + lpfc_unblock_fabric_iocbs(phba); + if (work_port_events & WORKER_FDMI_TMO) + lpfc_fdmi_timeout_handler(vport); + if (work_port_events & WORKER_RAMP_DOWN_QUEUE) + lpfc_ramp_down_queue_handler(phba); + if (work_port_events & WORKER_RAMP_UP_QUEUE) + lpfc_ramp_up_queue_handler(phba); + } + lpfc_destroy_vport_work_array(phba, vports); + + pring = &phba->sli.ring[LPFC_ELS_RING]; + status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); + status >>= (4*LPFC_ELS_RING); + if ((status & HA_RXMASK) + || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { + if (pring->flag & LPFC_STOP_IOCB_EVENT) { + pring->flag |= LPFC_DEFERRED_RING_EVENT; + /* Set the lpfc data pending flag */ + set_bit(LPFC_DATA_READY, &phba->data_flags); + } else { + pring->flag &= ~LPFC_DEFERRED_RING_EVENT; + lpfc_sli_handle_slow_ring_event(phba, pring, + (status & + HA_RXMASK)); + } + /* + * Turn on Ring interrupts + */ + spin_lock_irq(&phba->hbalock); + control = readl(phba->HCregaddr); + if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { + lpfc_debugfs_slow_ring_trc(phba, + "WRK Enable ring: cntl:x%x hacopy:x%x", + control, ha_copy, 0); + + control |= (HC_R0INT_ENA << LPFC_ELS_RING); writel(control, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ - spin_unlock_irq(phba->host->host_lock); } + else { + lpfc_debugfs_slow_ring_trc(phba, + "WRK Ring ok: cntl:x%x hacopy:x%x", + control, ha_copy, 0); + } + spin_unlock_irq(&phba->hbalock); } - - lpfc_work_list_done (phba); - -} - -static int -check_work_wait_done(struct lpfc_hba *phba) { - - spin_lock_irq(phba->host->host_lock); - if (phba->work_ha || - phba->work_hba_events || - (!list_empty(&phba->work_list)) || - kthread_should_stop()) { - spin_unlock_irq(phba->host->host_lock); - return 1; - } else { - spin_unlock_irq(phba->host->host_lock); - return 0; - } + lpfc_work_list_done(phba); } int @@ -247,24 +581,29 @@ lpfc_do_work(void *p) { struct lpfc_hba *phba = p; int rc; - DECLARE_WAIT_QUEUE_HEAD(work_waitq); set_user_nice(current, -20); - phba->work_wait = &work_waitq; - - while (1) { - - rc = wait_event_interruptible(work_waitq, - check_work_wait_done(phba)); - BUG_ON(rc); - - if (kthread_should_stop()) + phba->data_flags = 0; + + while (!kthread_should_stop()) { + /* wait and check worker queue activities */ + rc = wait_event_interruptible(phba->work_waitq, + (test_and_clear_bit(LPFC_DATA_READY, + &phba->data_flags) + || kthread_should_stop())); + /* Signal wakeup shall terminate the worker thread */ + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_ELS, + "0433 Wakeup on signal: rc=x%x\n", rc); break; + } + /* Attend pending lpfc data processing */ lpfc_work_done(phba); - } - phba->work_wait = NULL; + phba->worker_thread = NULL; + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "0432 Worker thread stopped.\n"); return 0; } @@ -274,16 +613,17 @@ lpfc_do_work(void *p) * embedding it in the IOCB. */ int -lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, +lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, uint32_t evt) { struct lpfc_work_evt *evtp; + unsigned long flags; /* * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will * be queued to worker thread for processing */ - evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); + evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); if (!evtp) return 0; @@ -291,167 +631,213 @@ lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, evtp->evt_arg2 = arg2; evtp->evt = evt; + spin_lock_irqsave(&phba->hbalock, flags); list_add_tail(&evtp->evt_listp, &phba->work_list); - spin_lock_irq(phba->host->host_lock); - if (phba->work_wait) - wake_up(phba->work_wait); - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irqrestore(&phba->hbalock, flags); + + lpfc_worker_wake_up(phba); return 1; } -int -lpfc_linkdown(struct lpfc_hba * phba) +void +lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) { - struct lpfc_sli *psli; - struct lpfc_nodelist *ndlp, *next_ndlp; - struct list_head *listp, *node_list[7]; - LPFC_MBOXQ_t *mb; - int rc, i; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + struct lpfc_nodelist *ndlp, *next_ndlp; + int rc; - psli = &phba->sli; - /* sysfs or selective reset may call this routine to clean up */ - if (phba->hba_state >= LPFC_LINK_DOWN) { - if (phba->hba_state == LPFC_LINK_DOWN) - return 0; + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + continue; + if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || + ((vport->port_type == LPFC_NPIV_PORT) && + (ndlp->nlp_DID == NameServer_DID))) + lpfc_unreg_rpi(vport, ndlp); - spin_lock_irq(phba->host->host_lock); - phba->hba_state = LPFC_LINK_DOWN; - spin_unlock_irq(phba->host->host_lock); + /* Leave Fabric nodes alone on link down */ + if (!remove && ndlp->nlp_type & NLP_FABRIC) + continue; + rc = lpfc_disc_state_machine(vport, ndlp, NULL, + remove + ? NLP_EVT_DEVICE_RM + : NLP_EVT_DEVICE_RECOVERY); } - - /* Clean up any firmware default rpi's */ - if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { - lpfc_unreg_did(phba, 0xffffffff, mb); - mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; - if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) - == MBX_NOT_FINISHED) { - mempool_free( mb, phba->mbox_mem_pool); - } + if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { + lpfc_mbx_unreg_vpi(vport); + spin_lock_irq(shost->host_lock); + vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); } +} +void +lpfc_port_link_failure(struct lpfc_vport *vport) +{ /* Cleanup any outstanding RSCN activity */ - lpfc_els_flush_rscn(phba); + lpfc_els_flush_rscn(vport); /* Cleanup any outstanding ELS commands */ - lpfc_els_flush_cmd(phba); - - /* Issue a LINK DOWN event to all nodes */ - node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ - node_list[1] = &phba->fc_nlpmap_list; - node_list[2] = &phba->fc_nlpunmap_list; - node_list[3] = &phba->fc_prli_list; - node_list[4] = &phba->fc_reglogin_list; - node_list[5] = &phba->fc_adisc_list; - node_list[6] = &phba->fc_plogi_list; - for (i = 0; i < 7; i++) { - listp = node_list[i]; - if (list_empty(listp)) - continue; + lpfc_els_flush_cmd(vport); - list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { + lpfc_cleanup_rpis(vport, 0); - rc = lpfc_disc_state_machine(phba, ndlp, NULL, - NLP_EVT_DEVICE_RECOVERY); + /* Turn off discovery timer if its running */ + lpfc_can_disctmo(vport); +} - /* Check config parameter use-adisc or FCP-2 */ - if ((rc != NLP_STE_FREED_NODE) && - (phba->cfg_use_adisc == 0) && - !(ndlp->nlp_fcp_info & - NLP_FCP_2_DEVICE)) { - /* We know we will have to relogin, so - * unreglogin the rpi right now to fail - * any outstanding I/Os quickly. - */ - lpfc_unreg_rpi(phba, ndlp); - } - } - } +static void +lpfc_linkdown_port(struct lpfc_vport *vport) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "Link Down: state:x%x rtry:x%x flg:x%x", + vport->port_state, vport->fc_ns_retry, vport->fc_flag); + + lpfc_port_link_failure(vport); + +} - /* free any ndlp's on unused list */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, - nlp_listp) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); +int +lpfc_linkdown(struct lpfc_hba *phba) +{ + struct lpfc_vport *vport = phba->pport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_vport **vports; + LPFC_MBOXQ_t *mb; + int i; + + if (phba->link_state == LPFC_LINK_DOWN) + return 0; + spin_lock_irq(&phba->hbalock); + if (phba->link_state > LPFC_LINK_DOWN) { + phba->link_state = LPFC_LINK_DOWN; + phba->pport->fc_flag &= ~FC_LBIT; + } + spin_unlock_irq(&phba->hbalock); + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { + /* Issue a LINK DOWN event to all nodes */ + lpfc_linkdown_port(vports[i]); + } + lpfc_destroy_vport_work_array(phba, vports); + /* Clean up any firmware default rpi's */ + mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mb) { + lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); + mb->vport = vport; + mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) + == MBX_NOT_FINISHED) { + mempool_free(mb, phba->mbox_mem_pool); + } } /* Setup myDID for link up if we are in pt2pt mode */ - if (phba->fc_flag & FC_PT2PT) { - phba->fc_myDID = 0; - if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { + if (phba->pport->fc_flag & FC_PT2PT) { + phba->pport->fc_myDID = 0; + mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mb) { lpfc_config_link(phba, mb); - mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; - if (lpfc_sli_issue_mbox - (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) + mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mb->vport = vport; + if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) == MBX_NOT_FINISHED) { - mempool_free( mb, phba->mbox_mem_pool); + mempool_free(mb, phba->mbox_mem_pool); } } - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); - spin_unlock_irq(phba->host->host_lock); + spin_lock_irq(shost->host_lock); + phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); + spin_unlock_irq(shost->host_lock); } - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_LBIT; - spin_unlock_irq(phba->host->host_lock); - /* Turn off discovery timer if its running */ - lpfc_can_disctmo(phba); + return 0; +} + +static void +lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) +{ + struct lpfc_nodelist *ndlp; + + list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + continue; + if (ndlp->nlp_type & NLP_FABRIC) { + /* On Linkup its safe to clean up the ndlp + * from Fabric connections. + */ + if (ndlp->nlp_DID != Fabric_DID) + lpfc_unreg_rpi(vport, ndlp); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { + /* Fail outstanding IO now since device is + * marked for PLOGI. + */ + lpfc_unreg_rpi(vport, ndlp); + } + } +} + +static void +lpfc_linkup_port(struct lpfc_vport *vport) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + + if ((vport->load_flag & FC_UNLOADING) != 0) + return; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "Link Up: top:x%x speed:x%x flg:x%x", + phba->fc_topology, phba->fc_linkspeed, phba->link_flag); + + /* If NPIV is not enabled, only bring the physical port up */ + if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && + (vport != phba->pport)) + return; + + fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); + + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | + FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); + vport->fc_flag |= FC_NDISC_ACTIVE; + vport->fc_ns_retry = 0; + spin_unlock_irq(shost->host_lock); + + if (vport->fc_flag & FC_LBIT) + lpfc_linkup_cleanup_nodes(vport); - /* Must process IOCBs on all rings to handle ABORTed I/Os */ - return (0); } static int -lpfc_linkup(struct lpfc_hba * phba) +lpfc_linkup(struct lpfc_hba *phba) { - struct lpfc_nodelist *ndlp, *next_ndlp; - struct list_head *listp, *node_list[7]; + struct lpfc_vport **vports; int i; - spin_lock_irq(phba->host->host_lock); - phba->hba_state = LPFC_LINK_UP; - phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | - FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); - phba->fc_flag |= FC_NDISC_ACTIVE; - phba->fc_ns_retry = 0; - spin_unlock_irq(phba->host->host_lock); - - - node_list[0] = &phba->fc_plogi_list; - node_list[1] = &phba->fc_adisc_list; - node_list[2] = &phba->fc_reglogin_list; - node_list[3] = &phba->fc_prli_list; - node_list[4] = &phba->fc_nlpunmap_list; - node_list[5] = &phba->fc_nlpmap_list; - node_list[6] = &phba->fc_npr_list; - for (i = 0; i < 7; i++) { - listp = node_list[i]; - if (list_empty(listp)) - continue; + phba->link_state = LPFC_LINK_UP; - list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { - if (phba->fc_flag & FC_LBIT) { - if (ndlp->nlp_type & NLP_FABRIC) { - /* On Linkup its safe to clean up the - * ndlp from Fabric connections. - */ - lpfc_nlp_list(phba, ndlp, - NLP_UNUSED_LIST); - } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { - /* Fail outstanding IO now since device - * is marked for PLOGI. - */ - lpfc_unreg_rpi(phba, ndlp); - } - } - } - } + /* Unblock fabric iocbs if they are blocked */ + clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); + del_timer_sync(&phba->fabric_block_timer); - /* free any ndlp's on unused list */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, - nlp_listp) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) + lpfc_linkup_port(vports[i]); + lpfc_destroy_vport_work_array(phba, vports); + if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) + lpfc_issue_clear_la(phba, phba->pport); return 0; } @@ -462,259 +848,218 @@ lpfc_linkup(struct lpfc_hba * phba) * as the completion routine when the command is * handed off to the SLI layer. */ -void -lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +static void +lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_sli *psli; - MAILBOX_t *mb; + struct lpfc_vport *vport = pmb->vport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_sli *psli = &phba->sli; + MAILBOX_t *mb = &pmb->mb; uint32_t control; - psli = &phba->sli; - mb = &pmb->mb; /* Since we don't do discovery right now, turn these off here */ - psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; /* Check for error */ if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { /* CLEAR_LA mbox error state */ - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, - "%d:0320 CLEAR_LA mbxStatus error x%x hba " - "state x%x\n", - phba->brd_no, mb->mbxStatus, phba->hba_state); - - phba->hba_state = LPFC_HBA_ERROR; + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + "0320 CLEAR_LA mbxStatus error x%x hba " + "state x%x\n", + mb->mbxStatus, vport->port_state); + phba->link_state = LPFC_HBA_ERROR; goto out; } - if (phba->fc_flag & FC_ABORT_DISCOVERY) - goto out; - - phba->num_disc_nodes = 0; - /* go thru NPR list and issue ELS PLOGIs */ - if (phba->fc_npr_cnt) { - lpfc_els_disc_plogi(phba); - } - - if(!phba->num_disc_nodes) { - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_NDISC_ACTIVE; - spin_unlock_irq(phba->host->host_lock); - } + if (vport->port_type == LPFC_PHYSICAL_PORT) + phba->link_state = LPFC_HBA_READY; - phba->hba_state = LPFC_HBA_READY; + spin_lock_irq(&phba->hbalock); + psli->sli_flag |= LPFC_PROCESS_LA; + control = readl(phba->HCregaddr); + control |= HC_LAINT_ENA; + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock_irq(&phba->hbalock); + mempool_free(pmb, phba->mbox_mem_pool); + return; out: /* Device Discovery completes */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_DISCOVERY, - "%d:0225 Device Discovery completes\n", - phba->brd_no); - - mempool_free( pmb, phba->mbox_mem_pool); - - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_ABORT_DISCOVERY; - if (phba->fc_flag & FC_ESTABLISH_LINK) { - phba->fc_flag &= ~FC_ESTABLISH_LINK; - } - spin_unlock_irq(phba->host->host_lock); + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0225 Device Discovery completes\n"); + mempool_free(pmb, phba->mbox_mem_pool); - del_timer_sync(&phba->fc_estabtmo); + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_ABORT_DISCOVERY; + spin_unlock_irq(shost->host_lock); - lpfc_can_disctmo(phba); + lpfc_can_disctmo(vport); /* turn on Link Attention interrupts */ - spin_lock_irq(phba->host->host_lock); + + spin_lock_irq(&phba->hbalock); psli->sli_flag |= LPFC_PROCESS_LA; control = readl(phba->HCregaddr); control |= HC_LAINT_ENA; writel(control, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); return; } + static void -lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_sli *psli; - MAILBOX_t *mb; - - psli = &phba->sli; - mb = &pmb->mb; - /* Check for error */ - if (mb->mbxStatus) { - /* CONFIG_LINK mbox error state */ - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, - "%d:0306 CONFIG_LINK mbxStatus error x%x " - "HBA state x%x\n", - phba->brd_no, mb->mbxStatus, phba->hba_state); + struct lpfc_vport *vport = pmb->vport; - lpfc_linkdown(phba); - phba->hba_state = LPFC_HBA_ERROR; + if (pmb->mb.mbxStatus) goto out; - } - if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { - if (phba->fc_topology == TOPOLOGY_LOOP) { - /* If we are public loop and L bit was set */ - if ((phba->fc_flag & FC_PUBLIC_LOOP) && - !(phba->fc_flag & FC_LBIT)) { - /* Need to wait for FAN - use discovery timer - * for timeout. hba_state is identically - * LPFC_LOCAL_CFG_LINK while waiting for FAN - */ - lpfc_set_disctmo(phba); - mempool_free( pmb, phba->mbox_mem_pool); - return; - } - } + mempool_free(pmb, phba->mbox_mem_pool); - /* Start discovery by sending a FLOGI hba_state is identically - * LPFC_FLOGI while waiting for FLOGI cmpl - */ - phba->hba_state = LPFC_FLOGI; - lpfc_set_disctmo(phba); - lpfc_initial_flogi(phba); - mempool_free( pmb, phba->mbox_mem_pool); - return; + if (phba->fc_topology == TOPOLOGY_LOOP && + vport->fc_flag & FC_PUBLIC_LOOP && + !(vport->fc_flag & FC_LBIT)) { + /* Need to wait for FAN - use discovery timer + * for timeout. port_state is identically + * LPFC_LOCAL_CFG_LINK while waiting for FAN + */ + lpfc_set_disctmo(vport); + return; } - if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { - mempool_free( pmb, phba->mbox_mem_pool); - return; + + /* Start discovery by sending a FLOGI. port_state is identically + * LPFC_FLOGI while waiting for FLOGI cmpl + */ + if (vport->port_state != LPFC_FLOGI) { + lpfc_initial_flogi(vport); } + return; out: - /* CONFIG_LINK bad hba state */ - lpfc_printf_log(phba, - KERN_ERR, - LOG_DISCOVERY, - "%d:0200 CONFIG_LINK bad hba state x%x\n", - phba->brd_no, phba->hba_state); - - if (phba->hba_state != LPFC_CLEAR_LA) { - lpfc_clear_la(phba, pmb); - pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; - if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) - == MBX_NOT_FINISHED) { - mempool_free( pmb, phba->mbox_mem_pool); - lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - psli->ring[(psli->fcp_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - psli->ring[(psli->next_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - phba->hba_state = LPFC_HBA_READY; - } - } else { - mempool_free( pmb, phba->mbox_mem_pool); - } + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + "0306 CONFIG_LINK mbxStatus error x%x " + "HBA state x%x\n", + pmb->mb.mbxStatus, vport->port_state); + mempool_free(pmb, phba->mbox_mem_pool); + + lpfc_linkdown(phba); + + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0200 CONFIG_LINK bad hba state x%x\n", + vport->port_state); + + lpfc_issue_clear_la(phba, vport); return; } static void -lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_sli *psli = &phba->sli; MAILBOX_t *mb = &pmb->mb; struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; + struct lpfc_vport *vport = pmb->vport; /* Check for error */ if (mb->mbxStatus) { /* READ_SPARAM mbox error state */ - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, - "%d:0319 READ_SPARAM mbxStatus error x%x " - "hba state x%x>\n", - phba->brd_no, mb->mbxStatus, phba->hba_state); - + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + "0319 READ_SPARAM mbxStatus error x%x " + "hba state x%x>\n", + mb->mbxStatus, vport->port_state); lpfc_linkdown(phba); - phba->hba_state = LPFC_HBA_ERROR; goto out; } - memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, + memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, sizeof (struct serv_parm)); - memcpy((uint8_t *) & phba->fc_nodename, - (uint8_t *) & phba->fc_sparam.nodeName, - sizeof (struct lpfc_name)); - memcpy((uint8_t *) & phba->fc_portname, - (uint8_t *) & phba->fc_sparam.portName, - sizeof (struct lpfc_name)); + if (phba->cfg_soft_wwnn) + u64_to_wwn(phba->cfg_soft_wwnn, + vport->fc_sparam.nodeName.u.wwn); + if (phba->cfg_soft_wwpn) + u64_to_wwn(phba->cfg_soft_wwpn, + vport->fc_sparam.portName.u.wwn); + memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, + sizeof(vport->fc_nodename)); + memcpy(&vport->fc_portname, &vport->fc_sparam.portName, + sizeof(vport->fc_portname)); + if (vport->port_type == LPFC_PHYSICAL_PORT) { + memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); + memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); + } + lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; out: pmb->context1 = NULL; lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - if (phba->hba_state != LPFC_CLEAR_LA) { - lpfc_clear_la(phba, pmb); - pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; - if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) - == MBX_NOT_FINISHED) { - mempool_free( pmb, phba->mbox_mem_pool); - lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - psli->ring[(psli->fcp_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - psli->ring[(psli->next_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - phba->hba_state = LPFC_HBA_READY; - } - } else { - mempool_free( pmb, phba->mbox_mem_pool); - } + lpfc_issue_clear_la(phba, vport); + mempool_free(pmb, phba->mbox_mem_pool); return; } static void lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) { - int i; + struct lpfc_vport *vport = phba->pport; LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; + int i; + struct lpfc_dmabuf *mp; + int rc; + sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - spin_lock_irq(phba->host->host_lock); - switch(la->UlnkSpeed) { - case LA_1GHZ_LINK: - phba->fc_linkspeed = LA_1GHZ_LINK; - break; - case LA_2GHZ_LINK: - phba->fc_linkspeed = LA_2GHZ_LINK; - break; - case LA_4GHZ_LINK: - phba->fc_linkspeed = LA_4GHZ_LINK; - break; - default: - phba->fc_linkspeed = LA_UNKNW_LINK; - break; + spin_lock_irq(&phba->hbalock); + switch (la->UlnkSpeed) { + case LA_1GHZ_LINK: + phba->fc_linkspeed = LA_1GHZ_LINK; + break; + case LA_2GHZ_LINK: + phba->fc_linkspeed = LA_2GHZ_LINK; + break; + case LA_4GHZ_LINK: + phba->fc_linkspeed = LA_4GHZ_LINK; + break; + case LA_8GHZ_LINK: + phba->fc_linkspeed = LA_8GHZ_LINK; + break; + default: + phba->fc_linkspeed = LA_UNKNW_LINK; + break; } phba->fc_topology = la->topology; + phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; if (phba->fc_topology == TOPOLOGY_LOOP) { - /* Get Loop Map information */ + phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; + if (phba->cfg_enable_npiv) + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1309 Link Up Event npiv not supported in loop " + "topology\n"); + /* Get Loop Map information */ if (la->il) - phba->fc_flag |= FC_LBIT; + vport->fc_flag |= FC_LBIT; - phba->fc_myDID = la->granted_AL_PA; + vport->fc_myDID = la->granted_AL_PA; i = la->un.lilpBde64.tus.f.bdeSize; if (i == 0) { phba->alpa_map[0] = 0; } else { - if (phba->cfg_log_verbose & LOG_LINK_EVENT) { + if (vport->cfg_log_verbose & LOG_LINK_EVENT) { int numalpa, j, k; union { uint8_t pamap[16]; @@ -738,57 +1083,86 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) } /* Link Up Event ALPA map */ lpfc_printf_log(phba, - KERN_WARNING, - LOG_LINK_EVENT, - "%d:1304 Link Up Event " - "ALPA map Data: x%x " - "x%x x%x x%x\n", - phba->brd_no, - un.pa.wd1, un.pa.wd2, - un.pa.wd3, un.pa.wd4); + KERN_WARNING, + LOG_LINK_EVENT, + "1304 Link Up Event " + "ALPA map Data: x%x " + "x%x x%x x%x\n", + un.pa.wd1, un.pa.wd2, + un.pa.wd3, un.pa.wd4); } } } } else { - phba->fc_myDID = phba->fc_pref_DID; - phba->fc_flag |= FC_LBIT; + if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { + if (phba->max_vpi && phba->cfg_enable_npiv && + (phba->sli_rev == 3)) + phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; + } + vport->fc_myDID = phba->fc_pref_DID; + vport->fc_flag |= FC_LBIT; } - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); lpfc_linkup(phba); if (sparam_mbox) { - lpfc_read_sparam(phba, sparam_mbox); + lpfc_read_sparam(phba, sparam_mbox, 0); + sparam_mbox->vport = vport; sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; - lpfc_sli_issue_mbox(phba, sparam_mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mp = (struct lpfc_dmabuf *) sparam_mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free(sparam_mbox, phba->mbox_mem_pool); + if (cfglink_mbox) + mempool_free(cfglink_mbox, phba->mbox_mem_pool); + goto out; + } } if (cfglink_mbox) { - phba->hba_state = LPFC_LOCAL_CFG_LINK; + vport->port_state = LPFC_LOCAL_CFG_LINK; lpfc_config_link(phba, cfglink_mbox); - cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link; - lpfc_sli_issue_mbox(phba, cfglink_mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + cfglink_mbox->vport = vport; + cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; + rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); + if (rc != MBX_NOT_FINISHED) + return; + mempool_free(cfglink_mbox, phba->mbox_mem_pool); } +out: + lpfc_vport_set_state(vport, FC_VPORT_FAILED); + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", + vport->port_state, sparam_mbox, cfglink_mbox); + lpfc_issue_clear_la(phba, vport); + return; } static void -lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { +lpfc_enable_la(struct lpfc_hba *phba) +{ uint32_t control; struct lpfc_sli *psli = &phba->sli; - - lpfc_linkdown(phba); - - /* turn on Link Attention interrupts - no CLEAR_LA needed */ - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(&phba->hbalock); psli->sli_flag |= LPFC_PROCESS_LA; control = readl(phba->HCregaddr); control |= HC_LAINT_ENA; writel(control, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); +} + +static void +lpfc_mbx_issue_link_down(struct lpfc_hba *phba) +{ + lpfc_linkdown(phba); + lpfc_enable_la(phba); + /* turn on Link Attention interrupts - no CLEAR_LA needed */ } + /* * This routine handles processing a READ_LA mailbox * command upon completion. It is setup in the LPFC_MBOXQ @@ -796,22 +1170,23 @@ lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { * handed off to the SLI layer. */ void -lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { + struct lpfc_vport *vport = pmb->vport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); READ_LA_VAR *la; MAILBOX_t *mb = &pmb->mb; struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); + /* Unblock ELS traffic */ + phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; /* Check for error */ if (mb->mbxStatus) { - lpfc_printf_log(phba, - KERN_INFO, - LOG_LINK_EVENT, - "%d:1307 READ_LA mbox error x%x state x%x\n", - phba->brd_no, - mb->mbxStatus, phba->hba_state); + lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, + "1307 READ_LA mbox error x%x state x%x\n", + mb->mbxStatus, vport->port_state); lpfc_mbx_issue_link_down(phba); - phba->hba_state = LPFC_HBA_ERROR; + phba->link_state = LPFC_HBA_ERROR; goto lpfc_mbx_cmpl_read_la_free_mbuf; } @@ -819,42 +1194,101 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) memcpy(&phba->alpa_map[0], mp->virt, 128); - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(shost->host_lock); if (la->pb) - phba->fc_flag |= FC_BYPASSED_MODE; + vport->fc_flag |= FC_BYPASSED_MODE; else - phba->fc_flag &= ~FC_BYPASSED_MODE; - spin_unlock_irq(phba->host->host_lock); + vport->fc_flag &= ~FC_BYPASSED_MODE; + spin_unlock_irq(shost->host_lock); if (((phba->fc_eventTag + 1) < la->eventTag) || - (phba->fc_eventTag == la->eventTag)) { + (phba->fc_eventTag == la->eventTag)) { phba->fc_stat.LinkMultiEvent++; - if (la->attType == AT_LINK_UP) { + if (la->attType == AT_LINK_UP) if (phba->fc_eventTag != 0) lpfc_linkdown(phba); - } } phba->fc_eventTag = la->eventTag; + if (la->mm) + phba->sli.sli_flag |= LPFC_MENLO_MAINT; + else + phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; - if (la->attType == AT_LINK_UP) { + if (la->attType == AT_LINK_UP && (!la->mm)) { phba->fc_stat.LinkUp++; - lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, - "%d:1303 Link Up Event x%x received " - "Data: x%x x%x x%x x%x\n", - phba->brd_no, la->eventTag, phba->fc_eventTag, - la->granted_AL_PA, la->UlnkSpeed, - phba->alpa_map[0]); + if (phba->link_flag & LS_LOOPBACK_MODE) { + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1306 Link Up Event in loop back mode " + "x%x received Data: x%x x%x x%x x%x\n", + la->eventTag, phba->fc_eventTag, + la->granted_AL_PA, la->UlnkSpeed, + phba->alpa_map[0]); + } else { + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1303 Link Up Event x%x received " + "Data: x%x x%x x%x x%x x%x x%x %d\n", + la->eventTag, phba->fc_eventTag, + la->granted_AL_PA, la->UlnkSpeed, + phba->alpa_map[0], + la->mm, la->fa, + phba->wait_4_mlo_maint_flg); + } lpfc_mbx_process_link_up(phba, la); - } else { + } else if (la->attType == AT_LINK_DOWN) { phba->fc_stat.LinkDown++; - lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, - "%d:1305 Link Down Event x%x received " + if (phba->link_flag & LS_LOOPBACK_MODE) { + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1308 Link Down Event in loop back mode " + "x%x received " "Data: x%x x%x x%x\n", - phba->brd_no, la->eventTag, phba->fc_eventTag, - phba->hba_state, phba->fc_flag); + la->eventTag, phba->fc_eventTag, + phba->pport->port_state, vport->fc_flag); + } + else { + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1305 Link Down Event x%x received " + "Data: x%x x%x x%x x%x x%x\n", + la->eventTag, phba->fc_eventTag, + phba->pport->port_state, vport->fc_flag, + la->mm, la->fa); + } lpfc_mbx_issue_link_down(phba); } + if (la->mm && la->attType == AT_LINK_UP) { + if (phba->link_state != LPFC_LINK_DOWN) { + phba->fc_stat.LinkDown++; + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1312 Link Down Event x%x received " + "Data: x%x x%x x%x\n", + la->eventTag, phba->fc_eventTag, + phba->pport->port_state, vport->fc_flag); + lpfc_mbx_issue_link_down(phba); + } else + lpfc_enable_la(phba); + + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1310 Menlo Maint Mode Link up Event x%x rcvd " + "Data: x%x x%x x%x\n", + la->eventTag, phba->fc_eventTag, + phba->pport->port_state, vport->fc_flag); + /* + * The cmnd that triggered this will be waiting for this + * signal. + */ + /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ + if (phba->wait_4_mlo_maint_flg) { + phba->wait_4_mlo_maint_flg = 0; + wake_up_interruptible(&phba->wait_4_mlo_m_q); + } + } + + if (la->fa) { + if (la->mm) + lpfc_issue_clear_la(phba, vport); + lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, + "1311 fa %d\n", la->fa); + } lpfc_mbx_cmpl_read_la_free_mbuf: lpfc_mbuf_free(phba, mp->virt, mp->phys); @@ -870,27 +1304,115 @@ lpfc_mbx_cmpl_read_la_free_mbuf: * handed off to the SLI layer. */ void -lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_sli *psli; - MAILBOX_t *mb; - struct lpfc_dmabuf *mp; - struct lpfc_nodelist *ndlp; - - psli = &phba->sli; - mb = &pmb->mb; - - ndlp = (struct lpfc_nodelist *) pmb->context2; - mp = (struct lpfc_dmabuf *) (pmb->context1); + struct lpfc_vport *vport = pmb->vport; + struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); + struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; pmb->context1 = NULL; /* Good status, call state machine */ - lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); + lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); + /* decrement the node reference count held for this callback + * function. + */ + lpfc_nlp_put(ndlp); + + return; +} + +static void +lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) +{ + MAILBOX_t *mb = &pmb->mb; + struct lpfc_vport *vport = pmb->vport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + switch (mb->mbxStatus) { + case 0x0011: + case 0x0020: + case 0x9700: + lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, + "0911 cmpl_unreg_vpi, mb status = 0x%x\n", + mb->mbxStatus); + break; + } + vport->unreg_vpi_cmpl = VPORT_OK; + mempool_free(pmb, phba->mbox_mem_pool); + /* + * This shost reference might have been taken at the beginning of + * lpfc_vport_delete() + */ + if (vport->load_flag & FC_UNLOADING) + scsi_host_put(shost); +} + +int +lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + LPFC_MBOXQ_t *mbox; + int rc; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + return 1; + + lpfc_unreg_vpi(phba, vport->vpi, mbox); + mbox->vport = vport; + mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, + "1800 Could not issue unreg_vpi\n"); + mempool_free(mbox, phba->mbox_mem_pool); + vport->unreg_vpi_cmpl = VPORT_ERROR; + return rc; + } + return 0; +} + +static void +lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) +{ + struct lpfc_vport *vport = pmb->vport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + MAILBOX_t *mb = &pmb->mb; + + switch (mb->mbxStatus) { + case 0x0011: + case 0x9601: + case 0x9602: + lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, + "0912 cmpl_reg_vpi, mb status = 0x%x\n", + mb->mbxStatus); + lpfc_vport_set_state(vport, FC_VPORT_FAILED); + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); + spin_unlock_irq(shost->host_lock); + vport->fc_myDID = 0; + goto out; + } + + vport->num_disc_nodes = 0; + /* go thru NPR list and issue ELS PLOGIs */ + if (vport->fc_npr_cnt) + lpfc_els_disc_plogi(vport); + + if (!vport->num_disc_nodes) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); + } + vport->port_state = LPFC_VPORT_READY; +out: + mempool_free(pmb, phba->mbox_mem_pool); return; } @@ -901,88 +1423,87 @@ lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) * handed off to the SLI layer. */ void -lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_sli *psli; - MAILBOX_t *mb; - struct lpfc_dmabuf *mp; + struct lpfc_vport *vport = pmb->vport; + MAILBOX_t *mb = &pmb->mb; + struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); struct lpfc_nodelist *ndlp; - struct lpfc_nodelist *ndlp_fdmi; - - - psli = &phba->sli; - mb = &pmb->mb; + struct lpfc_vport **vports; + int i; ndlp = (struct lpfc_nodelist *) pmb->context2; - mp = (struct lpfc_dmabuf *) (pmb->context1); - + pmb->context1 = NULL; + pmb->context2 = NULL; if (mb->mbxStatus) { lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); - mempool_free( ndlp, phba->nlp_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); - /* FLOGI failed, so just use loop map to make discovery list */ - lpfc_disc_list_loopmap(phba); + if (phba->fc_topology == TOPOLOGY_LOOP) { + /* FLOGI failed, use loop map to make discovery list */ + lpfc_disc_list_loopmap(vport); - /* Start discovery */ - lpfc_disc_start(phba); + /* Start discovery */ + lpfc_disc_start(vport); + /* Decrement the reference count to ndlp after the + * reference to the ndlp are done. + */ + lpfc_nlp_put(ndlp); + return; + } + + lpfc_vport_set_state(vport, FC_VPORT_FAILED); + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + "0258 Register Fabric login error: 0x%x\n", + mb->mbxStatus); + /* Decrement the reference count to ndlp after the reference + * to the ndlp are done. + */ + lpfc_nlp_put(ndlp); return; } - pmb->context1 = NULL; - ndlp->nlp_rpi = mb->un.varWords[0]; ndlp->nlp_type |= NLP_FABRIC; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); - - if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { - /* This NPort has been assigned an NPort_ID by the fabric as a - * result of the completed fabric login. Issue a State Change - * Registration (SCR) ELS request to the fabric controller - * (SCR_DID) so that this NPort gets RSCN events from the - * fabric. - */ - lpfc_issue_els_scr(phba, SCR_DID, 0); - - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); - if (!ndlp) { - /* Allocate a new node instance. If the pool is empty, - * start the discovery process and skip the Nameserver - * login process. This is attempted again later on. - * Otherwise, issue a Port Login (PLOGI) to NameServer. - */ - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); - if (!ndlp) { - lpfc_disc_start(phba); - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); - return; - } else { - lpfc_nlp_init(phba, ndlp, NameServer_DID); - ndlp->nlp_type |= NLP_FABRIC; - } - } - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); - lpfc_issue_els_plogi(phba, ndlp, 0); - if (phba->cfg_fdmi_on) { - ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, - GFP_KERNEL); - if (ndlp_fdmi) { - lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID); - ndlp_fdmi->nlp_type |= NLP_FABRIC; - ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_issue_els_plogi(phba, ndlp_fdmi, 0); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + + if (vport->port_state == LPFC_FABRIC_CFG_LINK) { + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) + for(i = 0; + i <= phba->max_vpi && vports[i] != NULL; + i++) { + if (vports[i]->port_type == LPFC_PHYSICAL_PORT) + continue; + if (phba->fc_topology == TOPOLOGY_LOOP) { + lpfc_vport_set_state(vports[i], + FC_VPORT_LINKDOWN); + continue; + } + if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) + lpfc_initial_fdisc(vports[i]); + else { + lpfc_vport_set_state(vports[i], + FC_VPORT_NO_FABRIC_SUPP); + lpfc_printf_vlog(vport, KERN_ERR, + LOG_ELS, + "0259 No NPIV " + "Fabric support\n"); + } } - } + lpfc_destroy_vport_work_array(phba, vports); + lpfc_do_scr_ns_plogi(phba, vport); } lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); + + /* Drop the reference count from the mbox at the end after + * all the current reference to the ndlp have been done. + */ + lpfc_nlp_put(ndlp); return; } @@ -993,31 +1514,41 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) * handed off to the SLI layer. */ void -lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_sli *psli; - MAILBOX_t *mb; - struct lpfc_dmabuf *mp; - struct lpfc_nodelist *ndlp; - - psli = &phba->sli; - mb = &pmb->mb; - - ndlp = (struct lpfc_nodelist *) pmb->context2; - mp = (struct lpfc_dmabuf *) (pmb->context1); + MAILBOX_t *mb = &pmb->mb; + struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); + struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; + struct lpfc_vport *vport = pmb->vport; if (mb->mbxStatus) { +out: + /* decrement the node reference count held for this + * callback function. + */ + lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + mempool_free(pmb, phba->mbox_mem_pool); - /* RegLogin failed, so just use loop map to make discovery - list */ - lpfc_disc_list_loopmap(phba); + /* If no other thread is using the ndlp, free it */ + lpfc_nlp_not_used(ndlp); - /* Start discovery */ - lpfc_disc_start(phba); + if (phba->fc_topology == TOPOLOGY_LOOP) { + /* + * RegLogin failed, use loop map to make discovery + * list + */ + lpfc_disc_list_loopmap(vport); + + /* Start discovery */ + lpfc_disc_start(vport); + return; + } + lpfc_vport_set_state(vport, FC_VPORT_FAILED); + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0260 Register NameServer error: 0x%x\n", + mb->mbxStatus); return; } @@ -1025,37 +1556,46 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) ndlp->nlp_rpi = mb->un.varWords[0]; ndlp->nlp_type |= NLP_FABRIC; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + + if (vport->port_state < LPFC_VPORT_READY) { + /* Link up discovery requires Fabric registration. */ + lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ + lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); + lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); + lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); + lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); - if (phba->hba_state < LPFC_HBA_READY) { - /* Link up discovery requires Fabrib registration. */ - lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); - lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); - lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); + /* Issue SCR just before NameServer GID_FT Query */ + lpfc_issue_els_scr(vport, SCR_DID, 0); } - phba->fc_ns_retry = 0; + vport->fc_ns_retry = 0; /* Good status, issue CT Request to NameServer */ - if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) { + if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { /* Cannot issue NameServer Query, so finish up discovery */ - lpfc_disc_start(phba); + goto out; } + /* decrement the node reference count held for this + * callback function. + */ + lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; } static void -lpfc_register_remote_port(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp) +lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { - struct fc_rport *rport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct fc_rport *rport; struct lpfc_rport_data *rdata; struct fc_rport_identifiers rport_ids; + struct lpfc_hba *phba = vport->phba; /* Remote port has reappeared. Re-register w/ FC transport */ rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); @@ -1063,8 +1603,23 @@ lpfc_register_remote_port(struct lpfc_hba * phba, rport_ids.port_id = ndlp->nlp_DID; rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; - ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); - if (!rport) { + /* + * We leave our node pointer in rport->dd_data when we unregister a + * FCP target port. But fc_remote_port_add zeros the space to which + * rport->dd_data points. So, if we're reusing a previously + * registered port, drop the reference that we took the last time we + * registered the port. + */ + if (ndlp->rport && ndlp->rport->dd_data && + ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) + lpfc_nlp_put(ndlp); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, + "rport add: did:x%x flg:x%x type x%x", + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); + + ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); + if (!rport || !get_device(&rport->dev)) { dev_printk(KERN_WARNING, &phba->pcidev->dev, "Warning: fc_remote_port_add failed\n"); return; @@ -1073,12 +1628,8 @@ lpfc_register_remote_port(struct lpfc_hba * phba, /* initialize static port data */ rport->maxframe_size = ndlp->nlp_maxframe; rport->supported_classes = ndlp->nlp_class_sup; - if ((rport->scsi_target_id != -1) && - (rport->scsi_target_id < MAX_FCP_TARGET)) { - ndlp->nlp_sid = rport->scsi_target_id; - } rdata = rport->dd_data; - rdata->pnode = ndlp; + rdata->pnode = lpfc_nlp_get(ndlp); if (ndlp->nlp_type & NLP_FCP_TARGET) rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; @@ -1089,292 +1640,358 @@ lpfc_register_remote_port(struct lpfc_hba * phba, if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) fc_remote_port_rolechg(rport, rport_ids.roles); - + if ((rport->scsi_target_id != -1) && + (rport->scsi_target_id < LPFC_MAX_TARGET)) { + ndlp->nlp_sid = rport->scsi_target_id; + } return; } static void -lpfc_unregister_remote_port(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp) +lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) { struct fc_rport *rport = ndlp->rport; - struct lpfc_rport_data *rdata = rport->dd_data; - ndlp->rport = NULL; - rdata->pnode = NULL; + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, + "rport delete: did:x%x flg:x%x type x%x", + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); + fc_remote_port_delete(rport); return; } -int -lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) +static void +lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) { - enum { none, unmapped, mapped } rport_add = none, rport_del = none; - struct lpfc_sli *psli; - - psli = &phba->sli; - /* Sanity check to ensure we are not moving to / from the same list */ - if ((nlp->nlp_flag & NLP_LIST_MASK) == list) { - if (list != NLP_NO_LIST) - return(0); - } + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - switch(nlp->nlp_flag & NLP_LIST_MASK) { - case NLP_NO_LIST: /* Not on any list */ + spin_lock_irq(shost->host_lock); + switch (state) { + case NLP_STE_UNUSED_NODE: + vport->fc_unused_cnt += count; break; - case NLP_UNUSED_LIST: - phba->fc_unused_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_PLOGI_ISSUE: + vport->fc_plogi_cnt += count; break; - case NLP_PLOGI_LIST: - phba->fc_plogi_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_ADISC_ISSUE: + vport->fc_adisc_cnt += count; break; - case NLP_ADISC_LIST: - phba->fc_adisc_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_REG_LOGIN_ISSUE: + vport->fc_reglogin_cnt += count; break; - case NLP_REGLOGIN_LIST: - phba->fc_reglogin_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_PRLI_ISSUE: + vport->fc_prli_cnt += count; break; - case NLP_PRLI_LIST: - phba->fc_prli_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_UNMAPPED_NODE: + vport->fc_unmap_cnt += count; break; - case NLP_UNMAPPED_LIST: - phba->fc_unmap_cnt--; - list_del(&nlp->nlp_listp); - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; - nlp->nlp_type &= ~NLP_FC_NODE; - spin_unlock_irq(phba->host->host_lock); - phba->nport_event_cnt++; - if (nlp->rport) - rport_del = unmapped; + case NLP_STE_MAPPED_NODE: + vport->fc_map_cnt += count; break; - case NLP_MAPPED_LIST: - phba->fc_map_cnt--; - list_del(&nlp->nlp_listp); - phba->nport_event_cnt++; - if (nlp->rport) - rport_del = mapped; - break; - case NLP_NPR_LIST: - phba->fc_npr_cnt--; - list_del(&nlp->nlp_listp); - /* Stop delay tmo if taking node off NPR list */ - if ((nlp->nlp_flag & NLP_DELAY_TMO) && - (list != NLP_NPR_LIST)) { - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag &= ~NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); - nlp->nlp_last_elscmd = 0; - del_timer_sync(&nlp->nlp_delayfunc); - if (!list_empty(&nlp->els_retry_evt.evt_listp)) - list_del_init(&nlp->els_retry_evt.evt_listp); - } + case NLP_STE_NPR_NODE: + vport->fc_npr_cnt += count; break; } + spin_unlock_irq(shost->host_lock); +} - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag &= ~NLP_LIST_MASK; - spin_unlock_irq(phba->host->host_lock); - - /* Add NPort to list */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_NODE, - "%d:0904 Add NPort x%x to %d list Data: x%x\n", - phba->brd_no, - nlp->nlp_DID, list, nlp->nlp_flag); +static void +lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + int old_state, int new_state) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - switch(list) { - case NLP_NO_LIST: /* No list, just remove it */ - lpfc_nlp_remove(phba, nlp); - /* as node removed - stop further transport calls */ - rport_del = none; - break; - case NLP_UNUSED_LIST: - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the unused list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list); - phba->fc_unused_cnt++; - break; - case NLP_PLOGI_LIST: - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the plogi list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list); - phba->fc_plogi_cnt++; - break; - case NLP_ADISC_LIST: - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the adisc list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list); - phba->fc_adisc_cnt++; - break; - case NLP_REGLOGIN_LIST: - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the reglogin list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list); - phba->fc_reglogin_cnt++; - break; - case NLP_PRLI_LIST: - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the prli list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list); - phba->fc_prli_cnt++; - break; - case NLP_UNMAPPED_LIST: - rport_add = unmapped; - /* ensure all vestiges of "mapped" significance are gone */ - nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the unmap list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list); - phba->fc_unmap_cnt++; - phba->nport_event_cnt++; - /* stop nodev tmo if running */ - if (nlp->nlp_flag & NLP_NODEV_TMO) { - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag &= ~NLP_NODEV_TMO; - spin_unlock_irq(phba->host->host_lock); - del_timer_sync(&nlp->nlp_tmofunc); - if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) - list_del_init(&nlp->nodev_timeout_evt. - evt_listp); + if (new_state == NLP_STE_UNMAPPED_NODE) { + ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; + ndlp->nlp_type |= NLP_FC_NODE; + } + if (new_state == NLP_STE_MAPPED_NODE) + ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; + if (new_state == NLP_STE_NPR_NODE) + ndlp->nlp_flag &= ~NLP_RCV_PLOGI; - } - nlp->nlp_type |= NLP_FC_NODE; - break; - case NLP_MAPPED_LIST: - rport_add = mapped; - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the map list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list); - phba->fc_map_cnt++; - phba->nport_event_cnt++; - /* stop nodev tmo if running */ - if (nlp->nlp_flag & NLP_NODEV_TMO) { - nlp->nlp_flag &= ~NLP_NODEV_TMO; - del_timer_sync(&nlp->nlp_tmofunc); - if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) - list_del_init(&nlp->nodev_timeout_evt. - evt_listp); + /* Transport interface */ + if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || + old_state == NLP_STE_UNMAPPED_NODE)) { + vport->phba->nport_event_cnt++; + lpfc_unregister_remote_port(ndlp); + } - } - break; - case NLP_NPR_LIST: - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= list; - spin_unlock_irq(phba->host->host_lock); - /* Put it at the end of the npr list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list); - phba->fc_npr_cnt++; - - if (!(nlp->nlp_flag & NLP_NODEV_TMO)) { - mod_timer(&nlp->nlp_tmofunc, - jiffies + HZ * phba->cfg_nodev_tmo); - } - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= NLP_NODEV_TMO; - nlp->nlp_flag &= ~NLP_RCV_PLOGI; - spin_unlock_irq(phba->host->host_lock); - break; - case NLP_JUST_DQ: - break; + if (new_state == NLP_STE_MAPPED_NODE || + new_state == NLP_STE_UNMAPPED_NODE) { + vport->phba->nport_event_cnt++; + /* + * Tell the fc transport about the port, if we haven't + * already. If we have, and it's a scsi entity, be + * sure to unblock any attached scsi devices + */ + lpfc_register_remote_port(vport, ndlp); } + if ((new_state == NLP_STE_MAPPED_NODE) && + (vport->stat_data_enabled)) { + /* + * A new target is discovered, if there is no buffer for + * statistical data collection allocate buffer. + */ + ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, + sizeof(struct lpfc_scsicmd_bkt), + GFP_KERNEL); + if (!ndlp->lat_data) + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "0286 lpfc_nlp_state_cleanup failed to " + "allocate statistical data buffer DID " + "0x%x\n", ndlp->nlp_DID); + } /* - * We make all the calls into the transport after we have - * moved the node between lists. This so that we don't - * release the lock while in-between lists. + * if we added to Mapped list, but the remote port + * registration failed or assigned a target id outside + * our presentable range - move the node to the + * Unmapped List */ + if (new_state == NLP_STE_MAPPED_NODE && + (!ndlp->rport || + ndlp->rport->scsi_target_id == -1 || + ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; + spin_unlock_irq(shost->host_lock); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + } +} - /* Don't upcall midlayer if we're unloading */ - if (!(phba->fc_flag & FC_UNLOADING)) { - /* - * We revalidate the rport pointer as the "add" function - * may have removed the remote port. - */ - if ((rport_del != none) && nlp->rport) - lpfc_unregister_remote_port(phba, nlp); +static char * +lpfc_nlp_state_name(char *buffer, size_t size, int state) +{ + static char *states[] = { + [NLP_STE_UNUSED_NODE] = "UNUSED", + [NLP_STE_PLOGI_ISSUE] = "PLOGI", + [NLP_STE_ADISC_ISSUE] = "ADISC", + [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", + [NLP_STE_PRLI_ISSUE] = "PRLI", + [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", + [NLP_STE_MAPPED_NODE] = "MAPPED", + [NLP_STE_NPR_NODE] = "NPR", + }; + + if (state < NLP_STE_MAX_STATE && states[state]) + strlcpy(buffer, states[state], size); + else + snprintf(buffer, size, "unknown (%d)", state); + return buffer; +} - if (rport_add != none) { - /* - * Tell the fc transport about the port, if we haven't - * already. If we have, and it's a scsi entity, be - * sure to unblock any attached scsi devices - */ - if (!nlp->rport) - lpfc_register_remote_port(phba, nlp); +void +lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + int state) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + int old_state = ndlp->nlp_state; + char name1[16], name2[16]; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, + "0904 NPort state transition x%06x, %s -> %s\n", + ndlp->nlp_DID, + lpfc_nlp_state_name(name1, sizeof(name1), old_state), + lpfc_nlp_state_name(name2, sizeof(name2), state)); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, + "node statechg did:x%x old:%d ste:%d", + ndlp->nlp_DID, old_state, state); + + if (old_state == NLP_STE_NPR_NODE && + state != NLP_STE_NPR_NODE) + lpfc_cancel_retry_delay_tmo(vport, ndlp); + if (old_state == NLP_STE_UNMAPPED_NODE) { + ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; + ndlp->nlp_type &= ~NLP_FC_NODE; + } + + if (list_empty(&ndlp->nlp_listp)) { + spin_lock_irq(shost->host_lock); + list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); + spin_unlock_irq(shost->host_lock); + } else if (old_state) + lpfc_nlp_counters(vport, old_state, -1); + + ndlp->nlp_state = state; + lpfc_nlp_counters(vport, state, 1); + lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); +} - /* - * if we added to Mapped list, but the remote port - * registration failed or assigned a target id outside - * our presentable range - move the node to the - * Unmapped List - */ - if ((rport_add == mapped) && - ((!nlp->rport) || - (nlp->rport->scsi_target_id == -1) || - (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) { - nlp->nlp_state = NLP_STE_UNMAPPED_NODE; - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= NLP_TGT_NO_SCSIID; - spin_unlock_irq(phba->host->host_lock); - lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST); - } - } +void +lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (list_empty(&ndlp->nlp_listp)) { + spin_lock_irq(shost->host_lock); + list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); + spin_unlock_irq(shost->host_lock); } - return (0); +} + +void +lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + lpfc_cancel_retry_delay_tmo(vport, ndlp); + if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) + lpfc_nlp_counters(vport, ndlp->nlp_state, -1); + spin_lock_irq(shost->host_lock); + list_del_init(&ndlp->nlp_listp); + spin_unlock_irq(shost->host_lock); + lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, + NLP_STE_UNUSED_NODE); +} + +static void +lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) +{ + lpfc_cancel_retry_delay_tmo(vport, ndlp); + if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) + lpfc_nlp_counters(vport, ndlp->nlp_state, -1); + lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, + NLP_STE_UNUSED_NODE); +} +/** + * lpfc_initialize_node: Initialize all fields of node object. + * @vport: Pointer to Virtual Port object. + * @ndlp: Pointer to FC node object. + * @did: FC_ID of the node. + * This function is always called when node object need to + * be initialized. It initializes all the fields of the node + * object. + **/ +static inline void +lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + uint32_t did) +{ + INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); + INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); + init_timer(&ndlp->nlp_delayfunc); + ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; + ndlp->nlp_delayfunc.data = (unsigned long)ndlp; + ndlp->nlp_DID = did; + ndlp->vport = vport; + ndlp->nlp_sid = NLP_NO_SID; + kref_init(&ndlp->kref); + NLP_INT_NODE_ACT(ndlp); + atomic_set(&ndlp->cmd_pending, 0); + ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; +} + +struct lpfc_nodelist * +lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + int state) +{ + struct lpfc_hba *phba = vport->phba; + uint32_t did; + unsigned long flags; + + if (!ndlp) + return NULL; + + spin_lock_irqsave(&phba->ndlp_lock, flags); + /* The ndlp should not be in memory free mode */ + if (NLP_CHK_FREE_REQ(ndlp)) { + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, + "0277 lpfc_enable_node: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + return NULL; + } + /* The ndlp should not already be in active mode */ + if (NLP_CHK_NODE_ACT(ndlp)) { + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, + "0278 lpfc_enable_node: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + return NULL; + } + + /* Keep the original DID */ + did = ndlp->nlp_DID; + + /* re-initialize ndlp except of ndlp linked list pointer */ + memset((((char *)ndlp) + sizeof (struct list_head)), 0, + sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); + lpfc_initialize_node(vport, ndlp, did); + + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + + if (state != NLP_STE_UNUSED_NODE) + lpfc_nlp_set_state(vport, ndlp, state); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, + "node enable: did:x%x", + ndlp->nlp_DID, 0, 0); + return ndlp; +} + +void +lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) +{ + /* + * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should + * be used if we wish to issue the "last" lpfc_nlp_put() to remove + * the ndlp from the vport. The ndlp marked as UNUSED on the list + * until ALL other outstanding threads have completed. We check + * that the ndlp not already in the UNUSED state before we proceed. + */ + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + return; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); + lpfc_nlp_put(ndlp); + return; } /* * Start / ReStart rescue timer for Discovery / RSCN handling */ void -lpfc_set_disctmo(struct lpfc_hba * phba) +lpfc_set_disctmo(struct lpfc_vport *vport) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; uint32_t tmo; - if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { - /* For FAN, timeout should be greater then edtov */ + if (vport->port_state == LPFC_LOCAL_CFG_LINK) { + /* For FAN, timeout should be greater than edtov */ tmo = (((phba->fc_edtov + 999) / 1000) + 1); } else { - /* Normal discovery timeout should be > then ELS/CT timeout + /* Normal discovery timeout should be > than ELS/CT timeout * FC spec states we need 3 * ratov for CT requests */ tmo = ((phba->fc_ratov * 3) + 3); } - mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo); - spin_lock_irq(phba->host->host_lock); - phba->fc_flag |= FC_DISC_TMO; - spin_unlock_irq(phba->host->host_lock); + + if (!timer_pending(&vport->fc_disctmo)) { + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "set disc timer: tmo:x%x state:x%x flg:x%x", + tmo, vport->port_state, vport->fc_flag); + } + + mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); + spin_lock_irq(shost->host_lock); + vport->fc_flag |= FC_DISC_TMO; + spin_unlock_irq(shost->host_lock); /* Start Discovery Timer state */ - lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, - "%d:0247 Start Discovery Timer state x%x " - "Data: x%x x%lx x%x x%x\n", - phba->brd_no, - phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo, - phba->fc_plogi_cnt, phba->fc_adisc_cnt); + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0247 Start Discovery Timer state x%x " + "Data: x%x x%lx x%x x%x\n", + vport->port_state, tmo, + (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, + vport->fc_adisc_cnt); return; } @@ -1383,25 +2000,33 @@ lpfc_set_disctmo(struct lpfc_hba * phba) * Cancel rescue timer for Discovery / RSCN handling */ int -lpfc_can_disctmo(struct lpfc_hba * phba) +lpfc_can_disctmo(struct lpfc_vport *vport) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + unsigned long iflags; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "can disc timer: state:x%x rtry:x%x flg:x%x", + vport->port_state, vport->fc_ns_retry, vport->fc_flag); + /* Turn off discovery timer if its running */ - if (phba->fc_flag & FC_DISC_TMO) { - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_DISC_TMO; - spin_unlock_irq(phba->host->host_lock); - del_timer_sync(&phba->fc_disctmo); - phba->work_hba_events &= ~WORKER_DISC_TMO; + if (vport->fc_flag & FC_DISC_TMO) { + spin_lock_irqsave(shost->host_lock, iflags); + vport->fc_flag &= ~FC_DISC_TMO; + spin_unlock_irqrestore(shost->host_lock, iflags); + del_timer_sync(&vport->fc_disctmo); + spin_lock_irqsave(&vport->work_port_lock, iflags); + vport->work_port_events &= ~WORKER_DISC_TMO; + spin_unlock_irqrestore(&vport->work_port_lock, iflags); } /* Cancel Discovery Timer state */ - lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, - "%d:0248 Cancel Discovery Timer state x%x " - "Data: x%x x%x x%x\n", - phba->brd_no, phba->hba_state, phba->fc_flag, - phba->fc_plogi_cnt, phba->fc_adisc_cnt); - - return (0); + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0248 Cancel Discovery Timer state x%x " + "Data: x%x x%x x%x\n", + vport->port_state, vport->fc_flag, + vport->fc_plogi_cnt, vport->fc_adisc_cnt); + return 0; } /* @@ -1409,40 +2034,45 @@ lpfc_can_disctmo(struct lpfc_hba * phba) * Return true if iocb matches the specified nport */ int -lpfc_check_sli_ndlp(struct lpfc_hba * phba, - struct lpfc_sli_ring * pring, - struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp) +lpfc_check_sli_ndlp(struct lpfc_hba *phba, + struct lpfc_sli_ring *pring, + struct lpfc_iocbq *iocb, + struct lpfc_nodelist *ndlp) { - struct lpfc_sli *psli; - IOCB_t *icmd; + struct lpfc_sli *psli = &phba->sli; + IOCB_t *icmd = &iocb->iocb; + struct lpfc_vport *vport = ndlp->vport; + + if (iocb->vport != vport) + return 0; - psli = &phba->sli; - icmd = &iocb->iocb; if (pring->ringno == LPFC_ELS_RING) { switch (icmd->ulpCommand) { case CMD_GEN_REQUEST64_CR: if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) - return (1); + return 1; case CMD_ELS_REQUEST64_CR: + if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) + return 1; case CMD_XMIT_ELS_RSP64_CX: if (iocb->context1 == (uint8_t *) ndlp) - return (1); + return 1; } - } else if (pring->ringno == psli->ip_ring) { + } else if (pring->ringno == psli->extra_ring) { } else if (pring->ringno == psli->fcp_ring) { /* Skip match check if waiting to relogin to FCP target */ if ((ndlp->nlp_type & NLP_FCP_TARGET) && - (ndlp->nlp_flag & NLP_DELAY_TMO)) { - return (0); + (ndlp->nlp_flag & NLP_DELAY_TMO)) { + return 0; } if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { - return (1); + return 1; } } else if (pring->ringno == psli->next_ring) { } - return (0); + return 0; } /* @@ -1450,14 +2080,17 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba, * associated with nlp_rpi in the LPFC_NODELIST entry. */ static int -lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { + LIST_HEAD(completions); struct lpfc_sli *psli; struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; IOCB_t *icmd; uint32_t rpi, i; + lpfc_fabric_abort_nport(ndlp); + /* * Everything that matches on txcmplq will be returned * by firmware with a no rpi error. @@ -1469,41 +2102,41 @@ lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) for (i = 0; i < psli->num_rings; i++) { pring = &psli->ring[i]; - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(iocb, next_iocb, &pring->txq, - list) { + list) { /* * Check to see if iocb matches the nport we are * looking for */ - if ((lpfc_check_sli_ndlp - (phba, pring, iocb, ndlp))) { + if ((lpfc_check_sli_ndlp(phba, pring, iocb, + ndlp))) { /* It matches, so deque and call compl with an error */ - list_del(&iocb->list); + list_move_tail(&iocb->list, + &completions); pring->txq_cnt--; - if (iocb->iocb_cmpl) { - icmd = &iocb->iocb; - icmd->ulpStatus = - IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = - IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host-> - host_lock); - (iocb->iocb_cmpl) (phba, - iocb, iocb); - spin_lock_irq(phba->host-> - host_lock); - } else - lpfc_sli_release_iocbq(phba, - iocb); } } - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); + } + } + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, list); + list_del_init(&iocb->list); + + if (!iocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, iocb); + else { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + (iocb->iocb_cmpl)(phba, iocb, iocb); } } - return (0); + + return 0; } /* @@ -1516,19 +2149,21 @@ lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) * we are waiting to PLOGI back to the remote NPort. */ int -lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { - LPFC_MBOXQ_t *mbox; + struct lpfc_hba *phba = vport->phba; + LPFC_MBOXQ_t *mbox; int rc; if (ndlp->nlp_rpi) { - if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { - lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); - mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; - rc = lpfc_sli_issue_mbox - (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox) { + lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); + mbox->vport = vport; + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) - mempool_free( mbox, phba->mbox_mem_pool); + mempool_free(mbox, phba->mbox_mem_pool); } lpfc_no_rpi(phba, ndlp); ndlp->nlp_rpi = 0; @@ -1537,34 +2172,81 @@ lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) return 0; } +void +lpfc_unreg_all_rpis(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + LPFC_MBOXQ_t *mbox; + int rc; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox) { + lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); + mbox->vport = vport; + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mbox->context1 = NULL; + rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + } + } +} + +void +lpfc_unreg_default_rpis(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + LPFC_MBOXQ_t *mbox; + int rc; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox) { + lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); + mbox->vport = vport; + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mbox->context1 = NULL; + rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); + if (rc == MBX_NOT_FINISHED) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, + "1815 Could not issue " + "unreg_did (default rpis)\n"); + mempool_free(mbox, phba->mbox_mem_pool); + } + } +} + /* * Free resources associated with LPFC_NODELIST entry * so it can be freed. */ static int -lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { - LPFC_MBOXQ_t *mb; - LPFC_MBOXQ_t *nextmb; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + LPFC_MBOXQ_t *mb, *nextmb; struct lpfc_dmabuf *mp; /* Cleanup node for NPort */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0900 Cleanup node for NPort x%x " - "Data: x%x x%x x%x\n", - phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, - ndlp->nlp_state, ndlp->nlp_rpi); - - lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); - - /* - * if unloading the driver - just leave the remote port in place. - * The driver unload will force the attached devices to detach - * and flush cache's w/o generating flush errors. - */ - if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { - lpfc_unregister_remote_port(phba, ndlp); - ndlp->nlp_sid = NLP_NO_SID; + lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, + "0900 Cleanup node for NPort x%x " + "Data: x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); + if (NLP_CHK_FREE_REQ(ndlp)) { + lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, + "0280 lpfc_cleanup_node: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + lpfc_dequeue_node(vport, ndlp); + } else { + lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, + "0281 lpfc_cleanup_node: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + lpfc_disable_node(vport, ndlp); } /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ @@ -1575,36 +2257,41 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; } } + + spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && - (ndlp == (struct lpfc_nodelist *) mb->context2)) { + (ndlp == (struct lpfc_nodelist *) mb->context2)) { mp = (struct lpfc_dmabuf *) (mb->context1); if (mp) { - lpfc_mbuf_free(phba, mp->virt, mp->phys); + __lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); } list_del(&mb->list); mempool_free(mb, phba->mbox_mem_pool); + /* We shall not invoke the lpfc_nlp_put to decrement + * the ndlp reference count as we are in the process + * of lpfc_nlp_release. + */ } } + spin_unlock_irq(&phba->hbalock); + + lpfc_els_abort(phba, ndlp); - lpfc_els_abort(phba,ndlp,0); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO); - spin_unlock_irq(phba->host->host_lock); - del_timer_sync(&ndlp->nlp_tmofunc); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + spin_unlock_irq(shost->host_lock); ndlp->nlp_last_elscmd = 0; del_timer_sync(&ndlp->nlp_delayfunc); - if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) - list_del_init(&ndlp->nodev_timeout_evt.evt_listp); - if (!list_empty(&ndlp->els_retry_evt.evt_listp)) - list_del_init(&ndlp->els_retry_evt.evt_listp); + list_del_init(&ndlp->els_retry_evt.evt_listp); + list_del_init(&ndlp->dev_loss_evt.evt_listp); - lpfc_unreg_rpi(phba, ndlp); + lpfc_unreg_rpi(vport, ndlp); - return (0); + return 0; } /* @@ -1612,64 +2299,69 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) * If we are in the middle of using the nlp in the discovery state * machine, defer the free till we reach the end of the state machine. */ -int -lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +static void +lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { - if (ndlp->nlp_flag & NLP_NODEV_TMO) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NODEV_TMO; - spin_unlock_irq(phba->host->host_lock); - del_timer_sync(&ndlp->nlp_tmofunc); - if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) - list_del_init(&ndlp->nodev_timeout_evt.evt_listp); - - } - + struct lpfc_hba *phba = vport->phba; + struct lpfc_rport_data *rdata; + LPFC_MBOXQ_t *mbox; + int rc; - if (ndlp->nlp_flag & NLP_DELAY_TMO) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); - ndlp->nlp_last_elscmd = 0; - del_timer_sync(&ndlp->nlp_delayfunc); - if (!list_empty(&ndlp->els_retry_evt.evt_listp)) - list_del_init(&ndlp->els_retry_evt.evt_listp); + lpfc_cancel_retry_delay_tmo(vport, ndlp); + if (ndlp->nlp_flag & NLP_DEFER_RM && !ndlp->nlp_rpi) { + /* For this case we need to cleanup the default rpi + * allocated by the firmware. + */ + if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) + != NULL) { + rc = lpfc_reg_login(phba, vport->vpi, ndlp->nlp_DID, + (uint8_t *) &vport->fc_sparam, mbox, 0); + if (rc) { + mempool_free(mbox, phba->mbox_mem_pool); + } + else { + mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; + mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; + mbox->vport = vport; + mbox->context2 = NULL; + rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + } + } + } } + lpfc_cleanup_node(vport, ndlp); - if (ndlp->nlp_disc_refcnt) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag |= NLP_DELAY_REMOVE; - spin_unlock_irq(phba->host->host_lock); - } - else { - lpfc_freenode(phba, ndlp); - mempool_free( ndlp, phba->nlp_mem_pool); + /* + * We can get here with a non-NULL ndlp->rport because when we + * unregister a rport we don't break the rport/node linkage. So if we + * do, make sure we don't leaving any dangling pointers behind. + */ + if (ndlp->rport) { + rdata = ndlp->rport->dd_data; + rdata->pnode = NULL; + ndlp->rport = NULL; } - return(0); } static int -lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) +lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + uint32_t did) { - D_ID mydid; - D_ID ndlpdid; - D_ID matchdid; + D_ID mydid, ndlpdid, matchdid; if (did == Bcast_DID) - return (0); - - if (ndlp->nlp_DID == 0) { - return (0); - } + return 0; /* First check for Direct match */ if (ndlp->nlp_DID == did) - return (1); + return 1; /* Next check for area/domain identically equals 0 match */ - mydid.un.word = phba->fc_myDID; + mydid.un.word = vport->fc_myDID; if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { - return (0); + return 0; } matchdid.un.word = did; @@ -1680,9 +2372,9 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) if ((ndlpdid.un.b.domain == 0) && (ndlpdid.un.b.area == 0)) { if (ndlpdid.un.b.id) - return (1); + return 1; } - return (0); + return 0; } matchdid.un.word = ndlp->nlp_DID; @@ -1690,283 +2382,142 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) (mydid.un.b.area == ndlpdid.un.b.area)) { if ((matchdid.un.b.domain == 0) && (matchdid.un.b.area == 0)) { - if (matchdid.un.b.id) - return (1); - } - } - } - return (0); -} - -/* Search for a nodelist entry on a specific list */ -struct lpfc_nodelist * -lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) -{ - struct lpfc_nodelist *ndlp, *next_ndlp; - uint32_t data1; - - if (order & NLP_SEARCH_UNMAPPED) { - list_for_each_entry_safe(ndlp, next_ndlp, - &phba->fc_nlpunmap_list, nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* FIND node DID unmapped */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0929 FIND node DID unmapped" - " Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); - } - } - } - - if (order & NLP_SEARCH_MAPPED) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* FIND node DID mapped */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0930 FIND node DID mapped " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); - } - } - } - - if (order & NLP_SEARCH_PLOGI) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to PLOGI */ - /* FIND node DID plogi */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0908 FIND node DID plogi " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); - } - } - } - - if (order & NLP_SEARCH_ADISC) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to ADISC */ - /* FIND node DID adisc */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0931 FIND node DID adisc " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); - } - } - } - - if (order & NLP_SEARCH_REGLOGIN) { - list_for_each_entry_safe(ndlp, next_ndlp, - &phba->fc_reglogin_list, nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to REGLOGIN */ - /* FIND node DID reglogin */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0931 FIND node DID reglogin" - " Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); - } - } - } - - if (order & NLP_SEARCH_PRLI) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to PRLI */ - /* FIND node DID prli */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0931 FIND node DID prli " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); - } - } - } - - if (order & NLP_SEARCH_NPR) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to NPR */ - /* FIND node DID npr */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0931 FIND node DID npr " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); + if (matchdid.un.b.id) + return 1; } } } + return 0; +} - if (order & NLP_SEARCH_UNUSED) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to UNUSED */ - /* FIND node DID unused */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0931 FIND node DID unused " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - return (ndlp); - } +/* Search for a nodelist entry */ +static struct lpfc_nodelist * +__lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) +{ + struct lpfc_nodelist *ndlp; + uint32_t data1; + + list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { + if (lpfc_matchdid(vport, ndlp, did)) { + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, + "0929 FIND node DID " + "Data: x%p x%x x%x x%x\n", + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return ndlp; } } /* FIND node did NOT FOUND */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_NODE, - "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", - phba->brd_no, did, order); - - /* no match found */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, + "0932 FIND node did x%x NOT FOUND.\n", did); return NULL; } struct lpfc_nodelist * -lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) +lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_nodelist *ndlp; + + spin_lock_irq(shost->host_lock); + ndlp = __lpfc_findnode_did(vport, did); + spin_unlock_irq(shost->host_lock); + return ndlp; +} + +struct lpfc_nodelist * +lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_nodelist *ndlp; - uint32_t flg; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); + ndlp = lpfc_findnode_did(vport, did); if (!ndlp) { - if ((phba->fc_flag & FC_RSCN_MODE) && - ((lpfc_rscn_payload_check(phba, did) == 0))) + if ((vport->fc_flag & FC_RSCN_MODE) != 0 && + lpfc_rscn_payload_check(vport, did) == 0) return NULL; ndlp = (struct lpfc_nodelist *) - mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); if (!ndlp) return NULL; - lpfc_nlp_init(phba, ndlp, did); - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_init(vport, ndlp, did); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); + return ndlp; + } else if (!NLP_CHK_NODE_ACT(ndlp)) { + ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); + if (!ndlp) + return NULL; + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); return ndlp; } - if (phba->fc_flag & FC_RSCN_MODE) { - if (lpfc_rscn_payload_check(phba, did)) { + + if ((vport->fc_flag & FC_RSCN_MODE) && + !(vport->fc_flag & FC_NDISC_ACTIVE)) { + if (lpfc_rscn_payload_check(vport, did)) { + /* If we've already recieved a PLOGI from this NPort + * we don't need to try to discover it again. + */ + if (ndlp->nlp_flag & NLP_RCV_PLOGI) + return NULL; + + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); /* Since this node is marked for discovery, * delay timeout is not needed. */ - if (ndlp->nlp_flag & NLP_DELAY_TMO) { - ndlp->nlp_flag &= ~NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); - del_timer_sync(&ndlp->nlp_delayfunc); - spin_lock_irq(phba->host->host_lock); - if (!list_empty(&ndlp->els_retry_evt. - evt_listp)) - list_del_init(&ndlp->els_retry_evt. - evt_listp); - } - } - else { - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + lpfc_cancel_retry_delay_tmo(vport, ndlp); + } else ndlp = NULL; - } - } - else { - flg = ndlp->nlp_flag & NLP_LIST_MASK; - if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST)) + } else { + /* If we've already recieved a PLOGI from this NPort, + * or we are already in the process of discovery on it, + * we don't need to try to discover it again. + */ + if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || + ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || + ndlp->nlp_flag & NLP_RCV_PLOGI) return NULL; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); } return ndlp; } /* Build a list of nodes to discover based on the loopmap */ void -lpfc_disc_list_loopmap(struct lpfc_hba * phba) +lpfc_disc_list_loopmap(struct lpfc_vport *vport) { + struct lpfc_hba *phba = vport->phba; int j; uint32_t alpa, index; - if (phba->hba_state <= LPFC_LINK_DOWN) { + if (!lpfc_is_link_up(phba)) return; - } - if (phba->fc_topology != TOPOLOGY_LOOP) { + + if (phba->fc_topology != TOPOLOGY_LOOP) return; - } /* Check for loop map present or not */ if (phba->alpa_map[0]) { for (j = 1; j <= phba->alpa_map[0]; j++) { alpa = phba->alpa_map[j]; - - if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) { + if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) continue; - } - lpfc_setup_disc_node(phba, alpa); + lpfc_setup_disc_node(vport, alpa); } } else { /* No alpamap, so try all alpa's */ @@ -1974,119 +2525,170 @@ lpfc_disc_list_loopmap(struct lpfc_hba * phba) /* If cfg_scan_down is set, start from highest * ALPA (0xef) to lowest (0x1). */ - if (phba->cfg_scan_down) + if (vport->cfg_scan_down) index = j; else index = FC_MAXLOOP - j - 1; alpa = lpfcAlpaArray[index]; - if ((phba->fc_myDID & 0xff) == alpa) { + if ((vport->fc_myDID & 0xff) == alpa) continue; - } - - lpfc_setup_disc_node(phba, alpa); + lpfc_setup_disc_node(vport, alpa); } } return; } -/* Start Link up / RSCN discovery on NPR list */ void -lpfc_disc_start(struct lpfc_hba * phba) +lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) { - struct lpfc_sli *psli; LPFC_MBOXQ_t *mbox; - struct lpfc_nodelist *ndlp, *next_ndlp; - uint32_t did_changed, num_sent; - uint32_t clear_la_pending; - int rc; - - psli = &phba->sli; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; + struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; + struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; + int rc; - if (phba->hba_state <= LPFC_LINK_DOWN) { + /* + * if it's not a physical port or if we already send + * clear_la then don't send it. + */ + if ((phba->link_state >= LPFC_CLEAR_LA) || + (vport->port_type != LPFC_PHYSICAL_PORT)) return; + + /* Link up discovery */ + if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { + phba->link_state = LPFC_CLEAR_LA; + lpfc_clear_la(phba, mbox); + mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; + mbox->vport = vport; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + lpfc_disc_flush_list(vport); + extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; + fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; + next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; + phba->link_state = LPFC_HBA_ERROR; + } + } +} + +/* Reg_vpi to tell firmware to resume normal operations */ +void +lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) +{ + LPFC_MBOXQ_t *regvpimbox; + + regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (regvpimbox) { + lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, regvpimbox); + regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; + regvpimbox->vport = vport; + if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) + == MBX_NOT_FINISHED) { + mempool_free(regvpimbox, phba->mbox_mem_pool); + } } - if (phba->hba_state == LPFC_CLEAR_LA) +} + +/* Start Link up / RSCN discovery on NPR nodes */ +void +lpfc_disc_start(struct lpfc_vport *vport) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + uint32_t num_sent; + uint32_t clear_la_pending; + int did_changed; + + if (!lpfc_is_link_up(phba)) + return; + + if (phba->link_state == LPFC_CLEAR_LA) clear_la_pending = 1; else clear_la_pending = 0; - if (phba->hba_state < LPFC_HBA_READY) { - phba->hba_state = LPFC_DISC_AUTH; - } - lpfc_set_disctmo(phba); + if (vport->port_state < LPFC_VPORT_READY) + vport->port_state = LPFC_DISC_AUTH; - if (phba->fc_prevDID == phba->fc_myDID) { + lpfc_set_disctmo(vport); + + if (vport->fc_prevDID == vport->fc_myDID) did_changed = 0; - } else { + else did_changed = 1; - } - phba->fc_prevDID = phba->fc_myDID; - phba->num_disc_nodes = 0; + + vport->fc_prevDID = vport->fc_myDID; + vport->num_disc_nodes = 0; /* Start Discovery state */ - lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, - "%d:0202 Start Discovery hba state x%x " - "Data: x%x x%x x%x\n", - phba->brd_no, phba->hba_state, phba->fc_flag, - phba->fc_plogi_cnt, phba->fc_adisc_cnt); - - /* If our did changed, we MUST do PLOGI */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { - if (did_changed) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(phba->host->host_lock); - } - } - } + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0202 Start Discovery hba state x%x " + "Data: x%x x%x x%x\n", + vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, + vport->fc_adisc_cnt); /* First do ADISCs - if any */ - num_sent = lpfc_els_disc_adisc(phba); + num_sent = lpfc_els_disc_adisc(vport); if (num_sent) return; - if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) { + /* + * For SLI3, cmpl_reg_vpi will set port_state to READY, and + * continue discovery. + */ + if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && + !(vport->fc_flag & FC_PT2PT) && + !(vport->fc_flag & FC_RSCN_MODE)) { + lpfc_issue_reg_vpi(phba, vport); + return; + } + + /* + * For SLI2, we need to set port_state to READY and continue + * discovery. + */ + if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { /* If we get here, there is nothing to ADISC */ - if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { - phba->hba_state = LPFC_CLEAR_LA; - lpfc_clear_la(phba, mbox); - mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; - rc = lpfc_sli_issue_mbox(phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); - if (rc == MBX_NOT_FINISHED) { - mempool_free( mbox, phba->mbox_mem_pool); - lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - psli->ring[(psli->fcp_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - psli->ring[(psli->next_ring)].flag &= - ~LPFC_STOP_IOCB_EVENT; - phba->hba_state = LPFC_HBA_READY; + if (vport->port_type == LPFC_PHYSICAL_PORT) + lpfc_issue_clear_la(phba, vport); + + if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { + vport->num_disc_nodes = 0; + /* go thru NPR nodes and issue ELS PLOGIs */ + if (vport->fc_npr_cnt) + lpfc_els_disc_plogi(vport); + + if (!vport->num_disc_nodes) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); } } + vport->port_state = LPFC_VPORT_READY; } else { /* Next do PLOGIs - if any */ - num_sent = lpfc_els_disc_plogi(phba); + num_sent = lpfc_els_disc_plogi(vport); if (num_sent) return; - if (phba->fc_flag & FC_RSCN_MODE) { + if (vport->fc_flag & FC_RSCN_MODE) { /* Check to see if more RSCNs came in while we * were processing this one. */ - if ((phba->fc_rscn_id_cnt == 0) && - (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_RSCN_MODE; - spin_unlock_irq(phba->host->host_lock); - } - else - lpfc_els_handle_rscn(phba); + if ((vport->fc_rscn_id_cnt == 0) && + (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_RSCN_MODE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); + } else + lpfc_els_handle_rscn(vport); } } return; @@ -2097,13 +2699,13 @@ lpfc_disc_start(struct lpfc_hba * phba) * ring the match the sppecified nodelist. */ static void -lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { + LIST_HEAD(completions); struct lpfc_sli *psli; IOCB_t *icmd; struct lpfc_iocbq *iocb, *next_iocb; struct lpfc_sli_ring *pring; - struct lpfc_dmabuf *mp; psli = &phba->sli; pring = &psli->ring[LPFC_ELS_RING]; @@ -2111,6 +2713,7 @@ lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) /* Error matching iocb on txq or txcmplq * First check the txq. */ + spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { if (iocb->context1 != ndlp) { continue; @@ -2119,9 +2722,8 @@ lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { - list_del(&iocb->list); + list_move_tail(&iocb->list, &completions); pring->txq_cnt--; - lpfc_els_free_iocb(phba, iocb); } } @@ -2131,70 +2733,53 @@ lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) continue; } icmd = &iocb->iocb; - if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || - (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { + if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || + icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { + lpfc_sli_issue_abort_iotag(phba, pring, iocb); + } + } + spin_unlock_irq(&phba->hbalock); - iocb->iocb_cmpl = NULL; - /* context2 = cmd, context2->next = rsp, context3 = - bpl */ - if (iocb->context2) { - /* Free the response IOCB before handling the - command. */ - - mp = (struct lpfc_dmabuf *) (iocb->context2); - mp = list_get_first(&mp->list, - struct lpfc_dmabuf, - list); - if (mp) { - /* Delay before releasing rsp buffer to - * give UNREG mbox a chance to take - * effect. - */ - list_add(&mp->list, - &phba->freebufList); - } - lpfc_mbuf_free(phba, - ((struct lpfc_dmabuf *) - iocb->context2)->virt, - ((struct lpfc_dmabuf *) - iocb->context2)->phys); - kfree(iocb->context2); - } + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, list); + list_del_init(&iocb->list); - if (iocb->context3) { - lpfc_mbuf_free(phba, - ((struct lpfc_dmabuf *) - iocb->context3)->virt, - ((struct lpfc_dmabuf *) - iocb->context3)->phys); - kfree(iocb->context3); - } + if (!iocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, iocb); + else { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + (iocb->iocb_cmpl) (phba, iocb, iocb); } } - - return; } -void -lpfc_disc_flush_list(struct lpfc_hba * phba) +static void +lpfc_disc_flush_list(struct lpfc_vport *vport) { struct lpfc_nodelist *ndlp, *next_ndlp; + struct lpfc_hba *phba = vport->phba; - if (phba->fc_plogi_cnt) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, - nlp_listp) { - lpfc_free_tx(phba, ndlp); - lpfc_nlp_remove(phba, ndlp); - } - } - if (phba->fc_adisc_cnt) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - lpfc_free_tx(phba, ndlp); - lpfc_nlp_remove(phba, ndlp); + if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, + nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || + ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { + lpfc_free_tx(phba, ndlp); + } } } - return; +} + +void +lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) +{ + lpfc_els_flush_rscn(vport); + lpfc_els_flush_cmd(vport); + lpfc_disc_flush_list(vport); } /*****************************************************************************/ @@ -2215,158 +2800,149 @@ lpfc_disc_flush_list(struct lpfc_hba * phba) void lpfc_disc_timeout(unsigned long ptr) { - struct lpfc_hba *phba = (struct lpfc_hba *)ptr; + struct lpfc_vport *vport = (struct lpfc_vport *) ptr; + struct lpfc_hba *phba = vport->phba; + uint32_t tmo_posted; unsigned long flags = 0; if (unlikely(!phba)) return; - spin_lock_irqsave(phba->host->host_lock, flags); - if (!(phba->work_hba_events & WORKER_DISC_TMO)) { - phba->work_hba_events |= WORKER_DISC_TMO; - if (phba->work_wait) - wake_up(phba->work_wait); - } - spin_unlock_irqrestore(phba->host->host_lock, flags); + spin_lock_irqsave(&vport->work_port_lock, flags); + tmo_posted = vport->work_port_events & WORKER_DISC_TMO; + if (!tmo_posted) + vport->work_port_events |= WORKER_DISC_TMO; + spin_unlock_irqrestore(&vport->work_port_lock, flags); + + if (!tmo_posted) + lpfc_worker_wake_up(phba); return; } static void -lpfc_disc_timeout_handler(struct lpfc_hba *phba) +lpfc_disc_timeout_handler(struct lpfc_vport *vport) { - struct lpfc_sli *psli; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + struct lpfc_sli *psli = &phba->sli; struct lpfc_nodelist *ndlp, *next_ndlp; - LPFC_MBOXQ_t *clearlambox, *initlinkmbox; + LPFC_MBOXQ_t *initlinkmbox; int rc, clrlaerr = 0; - if (unlikely(!phba)) - return; - - if (!(phba->fc_flag & FC_DISC_TMO)) + if (!(vport->fc_flag & FC_DISC_TMO)) return; - psli = &phba->sli; + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_DISC_TMO; + spin_unlock_irq(shost->host_lock); - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_DISC_TMO; - spin_unlock_irq(phba->host->host_lock); + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "disc timeout: state:x%x rtry:x%x flg:x%x", + vport->port_state, vport->fc_ns_retry, vport->fc_flag); - switch (phba->hba_state) { + switch (vport->port_state) { case LPFC_LOCAL_CFG_LINK: - /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */ - /* FAN timeout */ - lpfc_printf_log(phba, - KERN_WARNING, - LOG_DISCOVERY, - "%d:0221 FAN timeout\n", - phba->brd_no); - + /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for + * FAN + */ + /* FAN timeout */ + lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, + "0221 FAN timeout\n"); /* Start discovery by sending FLOGI, clean up old rpis */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, + nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + if (ndlp->nlp_state != NLP_STE_NPR_NODE) + continue; if (ndlp->nlp_type & NLP_FABRIC) { /* Clean up the ndlp on Fabric connections */ - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } - else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { + lpfc_drop_node(vport, ndlp); + + } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { /* Fail outstanding IO now since device * is marked for PLOGI. */ - lpfc_unreg_rpi(phba, ndlp); + lpfc_unreg_rpi(vport, ndlp); } } - phba->hba_state = LPFC_FLOGI; - lpfc_set_disctmo(phba); - lpfc_initial_flogi(phba); + if (vport->port_state != LPFC_FLOGI) { + lpfc_initial_flogi(vport); + return; + } break; + case LPFC_FDISC: case LPFC_FLOGI: - /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ + /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ /* Initial FLOGI timeout */ - lpfc_printf_log(phba, - KERN_ERR, - LOG_DISCOVERY, - "%d:0222 Initial FLOGI timeout\n", - phba->brd_no); + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0222 Initial %s timeout\n", + vport->vpi ? "FDISC" : "FLOGI"); /* Assume no Fabric and go on with discovery. * Check for outstanding ELS FLOGI to abort. */ /* FLOGI failed, so just use loop map to make discovery list */ - lpfc_disc_list_loopmap(phba); + lpfc_disc_list_loopmap(vport); /* Start discovery */ - lpfc_disc_start(phba); + lpfc_disc_start(vport); break; case LPFC_FABRIC_CFG_LINK: /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for NameServer login */ - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, - "%d:0223 Timeout while waiting for NameServer " - "login\n", phba->brd_no); - + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0223 Timeout while waiting for " + "NameServer login\n"); /* Next look for NameServer ndlp */ - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); - if (ndlp) - lpfc_nlp_remove(phba, ndlp); - /* Start discovery */ - lpfc_disc_start(phba); - break; + ndlp = lpfc_findnode_did(vport, NameServer_DID); + if (ndlp && NLP_CHK_NODE_ACT(ndlp)) + lpfc_els_abort(phba, ndlp); + + /* ReStart discovery */ + goto restart_disc; case LPFC_NS_QRY: /* Check for wait for NameServer Rsp timeout */ - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, - "%d:0224 NameServer Query timeout " - "Data: x%x x%x\n", - phba->brd_no, - phba->fc_ns_retry, LPFC_MAX_NS_RETRY); - - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, - NameServer_DID); - if (ndlp) { - if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { - /* Try it one more time */ - rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); - if (rc == 0) - break; - } - phba->fc_ns_retry = 0; - } - - /* Nothing to authenticate, so CLEAR_LA right now */ - clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!clearlambox) { - clrlaerr = 1; - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, - "%d:0226 Device Discovery " - "completion error\n", - phba->brd_no); - phba->hba_state = LPFC_HBA_ERROR; - break; + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0224 NameServer Query timeout " + "Data: x%x x%x\n", + vport->fc_ns_retry, LPFC_MAX_NS_RETRY); + + if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { + /* Try it one more time */ + vport->fc_ns_retry++; + rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, + vport->fc_ns_retry, 0); + if (rc == 0) + break; } + vport->fc_ns_retry = 0; - phba->hba_state = LPFC_CLEAR_LA; - lpfc_clear_la(phba, clearlambox); - clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; - rc = lpfc_sli_issue_mbox(phba, clearlambox, - (MBX_NOWAIT | MBX_STOP_IOCB)); - if (rc == MBX_NOT_FINISHED) { - mempool_free(clearlambox, phba->mbox_mem_pool); - clrlaerr = 1; - break; +restart_disc: + /* + * Discovery is over. + * set port_state to PORT_READY if SLI2. + * cmpl_reg_vpi will set port_state to READY for SLI3. + */ + if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) + lpfc_issue_reg_vpi(phba, vport); + else { /* NPIV Not enabled */ + lpfc_issue_clear_la(phba, vport); + vport->port_state = LPFC_VPORT_READY; } /* Setup and issue mailbox INITIALIZE LINK command */ initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!initlinkmbox) { - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, - "%d:0226 Device Discovery " - "completion error\n", - phba->brd_no); - phba->hba_state = LPFC_HBA_ERROR; + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0206 Device Discovery " + "completion error\n"); + phba->link_state = LPFC_HBA_ERROR; break; } @@ -2374,8 +2950,10 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, phba->cfg_link_speed); initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; - rc = lpfc_sli_issue_mbox(phba, initlinkmbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + initlinkmbox->vport = vport; + initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); + lpfc_set_loopback_flag(phba); if (rc == MBX_NOT_FINISHED) mempool_free(initlinkmbox, phba->mbox_mem_pool); @@ -2383,100 +2961,82 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) case LPFC_DISC_AUTH: /* Node Authentication timeout */ - lpfc_printf_log(phba, - KERN_ERR, - LOG_DISCOVERY, - "%d:0227 Node Authentication timeout\n", - phba->brd_no); - lpfc_disc_flush_list(phba); - clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!clearlambox) { - clrlaerr = 1; - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, - "%d:0226 Device Discovery " - "completion error\n", - phba->brd_no); - phba->hba_state = LPFC_HBA_ERROR; - break; + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0227 Node Authentication timeout\n"); + lpfc_disc_flush_list(vport); + + /* + * set port_state to PORT_READY if SLI2. + * cmpl_reg_vpi will set port_state to READY for SLI3. + */ + if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) + lpfc_issue_reg_vpi(phba, vport); + else { /* NPIV Not enabled */ + lpfc_issue_clear_la(phba, vport); + vport->port_state = LPFC_VPORT_READY; } - phba->hba_state = LPFC_CLEAR_LA; - lpfc_clear_la(phba, clearlambox); - clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; - rc = lpfc_sli_issue_mbox(phba, clearlambox, - (MBX_NOWAIT | MBX_STOP_IOCB)); - if (rc == MBX_NOT_FINISHED) { - mempool_free(clearlambox, phba->mbox_mem_pool); - clrlaerr = 1; + break; + + case LPFC_VPORT_READY: + if (vport->fc_flag & FC_RSCN_MODE) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0231 RSCN timeout Data: x%x " + "x%x\n", + vport->fc_ns_retry, LPFC_MAX_NS_RETRY); + + /* Cleanup any outstanding ELS commands */ + lpfc_els_flush_cmd(vport); + + lpfc_els_flush_rscn(vport); + lpfc_disc_flush_list(vport); } break; + default: + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0273 Unexpected discovery timeout, " + "vport State x%x\n", vport->port_state); + break; + } + + switch (phba->link_state) { case LPFC_CLEAR_LA: - /* CLEAR LA timeout */ - lpfc_printf_log(phba, - KERN_ERR, - LOG_DISCOVERY, - "%d:0228 CLEAR LA timeout\n", - phba->brd_no); + /* CLEAR LA timeout */ + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0228 CLEAR LA timeout\n"); clrlaerr = 1; break; - case LPFC_HBA_READY: - if (phba->fc_flag & FC_RSCN_MODE) { - lpfc_printf_log(phba, - KERN_ERR, - LOG_DISCOVERY, - "%d:0231 RSCN timeout Data: x%x x%x\n", - phba->brd_no, - phba->fc_ns_retry, LPFC_MAX_NS_RETRY); - - /* Cleanup any outstanding ELS commands */ - lpfc_els_flush_cmd(phba); + case LPFC_LINK_UP: + lpfc_issue_clear_la(phba, vport); + /* Drop thru */ + case LPFC_LINK_UNKNOWN: + case LPFC_WARM_START: + case LPFC_INIT_START: + case LPFC_INIT_MBX_CMDS: + case LPFC_LINK_DOWN: + case LPFC_HBA_ERROR: + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0230 Unexpected timeout, hba link " + "state x%x\n", phba->link_state); + clrlaerr = 1; + break; - lpfc_els_flush_rscn(phba); - lpfc_disc_flush_list(phba); - } + case LPFC_HBA_READY: break; } if (clrlaerr) { - lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + lpfc_disc_flush_list(vport); + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; - phba->hba_state = LPFC_HBA_READY; - } - - return; -} - -static void -lpfc_nodev_timeout(unsigned long ptr) -{ - struct lpfc_hba *phba; - struct lpfc_nodelist *ndlp; - unsigned long iflag; - struct lpfc_work_evt *evtp; - - ndlp = (struct lpfc_nodelist *)ptr; - phba = ndlp->nlp_phba; - evtp = &ndlp->nodev_timeout_evt; - spin_lock_irqsave(phba->host->host_lock, iflag); - - if (!list_empty(&evtp->evt_listp)) { - spin_unlock_irqrestore(phba->host->host_lock, iflag); - return; + vport->port_state = LPFC_VPORT_READY; } - evtp->evt_arg1 = ndlp; - evtp->evt = LPFC_EVT_NODEV_TMO; - list_add_tail(&evtp->evt_listp, &phba->work_list); - if (phba->work_wait) - wake_up(phba->work_wait); - spin_unlock_irqrestore(phba->host->host_lock, iflag); return; } - /* * This routine handles processing a NameServer REG_LOGIN mailbox * command upon completion. It is setup in the LPFC_MBOXQ @@ -2484,86 +3044,266 @@ lpfc_nodev_timeout(unsigned long ptr) * handed off to the SLI layer. */ void -lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_sli *psli; - MAILBOX_t *mb; - struct lpfc_dmabuf *mp; - struct lpfc_nodelist *ndlp; - - psli = &phba->sli; - mb = &pmb->mb; - - ndlp = (struct lpfc_nodelist *) pmb->context2; - mp = (struct lpfc_dmabuf *) (pmb->context1); + MAILBOX_t *mb = &pmb->mb; + struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); + struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; + struct lpfc_vport *vport = pmb->vport; pmb->context1 = NULL; ndlp->nlp_rpi = mb->un.varWords[0]; ndlp->nlp_type |= NLP_FABRIC; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); - /* Start issuing Fabric-Device Management Interface (FDMI) - * command to 0xfffffa (FDMI well known port) + /* + * Start issuing Fabric-Device Management Interface (FDMI) command to + * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if + * fdmi-on=2 (supporting RPA/hostnmae) */ - if (phba->cfg_fdmi_on == 1) { - lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); - } else { - /* - * Delay issuing FDMI command if fdmi-on=2 - * (supporting RPA/hostnmae) - */ - mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); - } + if (vport->cfg_fdmi_on == 1) + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); + else + mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); + + /* decrement the node reference count held for this callback + * function. + */ + lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; } +static int +lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) +{ + uint16_t *rpi = param; + + return ndlp->nlp_rpi == *rpi; +} + +static int +lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) +{ + return memcmp(&ndlp->nlp_portname, param, + sizeof(ndlp->nlp_portname)) == 0; +} + +static struct lpfc_nodelist * +__lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) +{ + struct lpfc_nodelist *ndlp; + + list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { + if (filter(ndlp, param)) + return ndlp; + } + return NULL; +} + /* - * This routine looks up the ndlp lists - * for the given RPI. If rpi found - * it return the node list pointer - * else return NULL. + * This routine looks up the ndlp lists for the given RPI. If rpi found it + * returns the node list element pointer else return NULL. */ struct lpfc_nodelist * -lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) +__lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) { - struct lpfc_nodelist *ndlp; - struct list_head * lists[]={&phba->fc_nlpunmap_list, - &phba->fc_nlpmap_list, - &phba->fc_plogi_list, - &phba->fc_adisc_list, - &phba->fc_reglogin_list}; - int i; + return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); +} - for (i = 0; i < ARRAY_SIZE(lists); i++ ) - list_for_each_entry(ndlp, lists[i], nlp_listp) - if (ndlp->nlp_rpi == rpi) - return (ndlp); +/* + * This routine looks up the ndlp lists for the given WWPN. If WWPN found it + * returns the node element list pointer else return NULL. + */ +struct lpfc_nodelist * +lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_nodelist *ndlp; - return NULL; + spin_lock_irq(shost->host_lock); + ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); + spin_unlock_irq(shost->host_lock); + return ndlp; } void -lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, - uint32_t did) +lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + uint32_t did) { memset(ndlp, 0, sizeof (struct lpfc_nodelist)); - INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp); - INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); - init_timer(&ndlp->nlp_tmofunc); - ndlp->nlp_tmofunc.function = lpfc_nodev_timeout; - ndlp->nlp_tmofunc.data = (unsigned long)ndlp; - init_timer(&ndlp->nlp_delayfunc); - ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; - ndlp->nlp_delayfunc.data = (unsigned long)ndlp; - ndlp->nlp_DID = did; - ndlp->nlp_phba = phba; - ndlp->nlp_sid = NLP_NO_SID; + + lpfc_initialize_node(vport, ndlp, did); + INIT_LIST_HEAD(&ndlp->nlp_listp); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, + "node init: did:x%x", + ndlp->nlp_DID, 0, 0); + return; } + +/* This routine releases all resources associated with a specifc NPort's ndlp + * and mempool_free's the nodelist. + */ +static void +lpfc_nlp_release(struct kref *kref) +{ + struct lpfc_hba *phba; + unsigned long flags; + struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, + kref); + + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, + "node release: did:x%x flg:x%x type:x%x", + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); + + lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, + "0279 lpfc_nlp_release: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + + /* remove ndlp from action. */ + lpfc_nlp_remove(ndlp->vport, ndlp); + + /* clear the ndlp active flag for all release cases */ + phba = ndlp->vport->phba; + spin_lock_irqsave(&phba->ndlp_lock, flags); + NLP_CLR_NODE_ACT(ndlp); + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + + /* free ndlp memory for final ndlp release */ + if (NLP_CHK_FREE_REQ(ndlp)) { + kfree(ndlp->lat_data); + mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); + } +} + +/* This routine bumps the reference count for a ndlp structure to ensure + * that one discovery thread won't free a ndlp while another discovery thread + * is using it. + */ +struct lpfc_nodelist * +lpfc_nlp_get(struct lpfc_nodelist *ndlp) +{ + struct lpfc_hba *phba; + unsigned long flags; + + if (ndlp) { + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, + "node get: did:x%x flg:x%x refcnt:x%x", + ndlp->nlp_DID, ndlp->nlp_flag, + atomic_read(&ndlp->kref.refcount)); + /* The check of ndlp usage to prevent incrementing the + * ndlp reference count that is in the process of being + * released. + */ + phba = ndlp->vport->phba; + spin_lock_irqsave(&phba->ndlp_lock, flags); + if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, + "0276 lpfc_nlp_get: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + return NULL; + } else + kref_get(&ndlp->kref); + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + } + return ndlp; +} + +/* This routine decrements the reference count for a ndlp structure. If the + * count goes to 0, this indicates the the associated nodelist should be + * freed. Returning 1 indicates the ndlp resource has been released; on the + * other hand, returning 0 indicates the ndlp resource has not been released + * yet. + */ +int +lpfc_nlp_put(struct lpfc_nodelist *ndlp) +{ + struct lpfc_hba *phba; + unsigned long flags; + + if (!ndlp) + return 1; + + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, + "node put: did:x%x flg:x%x refcnt:x%x", + ndlp->nlp_DID, ndlp->nlp_flag, + atomic_read(&ndlp->kref.refcount)); + phba = ndlp->vport->phba; + spin_lock_irqsave(&phba->ndlp_lock, flags); + /* Check the ndlp memory free acknowledge flag to avoid the + * possible race condition that kref_put got invoked again + * after previous one has done ndlp memory free. + */ + if (NLP_CHK_FREE_ACK(ndlp)) { + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, + "0274 lpfc_nlp_put: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + return 1; + } + /* Check the ndlp inactivate log flag to avoid the possible + * race condition that kref_put got invoked again after ndlp + * is already in inactivating state. + */ + if (NLP_CHK_IACT_REQ(ndlp)) { + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, + "0275 lpfc_nlp_put: ndlp:x%p " + "usgmap:x%x refcnt:%d\n", + (void *)ndlp, ndlp->nlp_usg_map, + atomic_read(&ndlp->kref.refcount)); + return 1; + } + /* For last put, mark the ndlp usage flags to make sure no + * other kref_get and kref_put on the same ndlp shall get + * in between the process when the final kref_put has been + * invoked on this ndlp. + */ + if (atomic_read(&ndlp->kref.refcount) == 1) { + /* Indicate ndlp is put to inactive state. */ + NLP_SET_IACT_REQ(ndlp); + /* Acknowledge ndlp memory free has been seen. */ + if (NLP_CHK_FREE_REQ(ndlp)) + NLP_SET_FREE_ACK(ndlp); + } + spin_unlock_irqrestore(&phba->ndlp_lock, flags); + /* Note, the kref_put returns 1 when decrementing a reference + * count that was 1, it invokes the release callback function, + * but it still left the reference count as 1 (not actually + * performs the last decrementation). Otherwise, it actually + * decrements the reference count and returns 0. + */ + return kref_put(&ndlp->kref, lpfc_nlp_release); +} + +/* This routine free's the specified nodelist if it is not in use + * by any other discovery thread. This routine returns 1 if the + * ndlp has been freed. A return value of 0 indicates the ndlp is + * not yet been released. + */ +int +lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) +{ + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, + "node not used: did:x%x flg:x%x refcnt:x%x", + ndlp->nlp_DID, ndlp->nlp_flag, + atomic_read(&ndlp->kref.refcount)); + if (atomic_read(&ndlp->kref.refcount) == 1) + if (lpfc_nlp_put(ndlp)) + return 1; + return 0; +}