diff options
-rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 8 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 1 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 54 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 349 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 41 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 72 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 6 |
7 files changed, 327 insertions, 204 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index cd4afcf..196de40 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -552,9 +552,11 @@ struct lpfc_hba { #define ELS_XRI_ABORT_EVENT 0x40 #define ASYNC_EVENT 0x80 #define LINK_DISABLED 0x100 /* Link disabled by user */ -#define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */ -#define HBA_FIP_SUPPORT 0x400 /* FIP support in HBA */ -#define HBA_AER_ENABLED 0x800 /* AER enabled with HBA */ +#define FCF_TS_INPROG 0x200 /* FCF table scan in progress */ +#define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */ +#define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */ +#define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */ +#define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */ uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ struct lpfc_dmabuf slim2p; diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 03f4ddc..b15d13e 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -229,6 +229,7 @@ void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *); uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *); int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t); void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t); +int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t); int lpfc_mem_alloc(struct lpfc_hba *, int align); void lpfc_mem_free(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index ea511d1..b115e92 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -795,7 +795,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (irsp->ulpStatus) { /* - * In case of FIP mode, perform round robin FCF failover + * In case of FIP mode, perform roundrobin FCF failover * due to new FCF discovery */ if ((phba->hba_flag & HBA_FIP_SUPPORT) && @@ -803,48 +803,16 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, (irsp->ulpStatus != IOSTAT_LOCAL_REJECT) && (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED)) { lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, - "2611 FLOGI failed on registered " - "FCF record fcf_index(%d), status: " - "x%x/x%x, tmo:x%x, trying to perform " - "round robin failover\n", + "2611 FLOGI failed on FCF (x%x), " + "status:x%x/x%x, tmo:x%x, perform " + "roundrobin FCF failover\n", phba->fcf.current_rec.fcf_indx, irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout); fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); - if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) { - /* - * Exhausted the eligible FCF record list, - * fail through to retry FLOGI on current - * FCF record. - */ - lpfc_printf_log(phba, KERN_WARNING, - LOG_FIP | LOG_ELS, - "2760 Completed one round " - "of FLOGI FCF round robin " - "failover list, retry FLOGI " - "on currently registered " - "FCF index:%d\n", - phba->fcf.current_rec.fcf_indx); - } else { - lpfc_printf_log(phba, KERN_INFO, - LOG_FIP | LOG_ELS, - "2794 FLOGI FCF round robin " - "failover to FCF index x%x\n", - fcf_index); - rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, - fcf_index); - if (rc) - lpfc_printf_log(phba, KERN_WARNING, - LOG_FIP | LOG_ELS, - "2761 FLOGI round " - "robin FCF failover " - "read FCF failed " - "rc:x%x, fcf_index:" - "%d\n", rc, - phba->fcf.current_rec.fcf_indx); - else - goto out; - } + rc = lpfc_sli4_fcf_rr_next_proc(vport, fcf_index); + if (rc) + goto out; } /* FLOGI failure */ @@ -934,6 +902,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_nlp_put(ndlp); spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag &= ~FCF_DISCOVERY; + phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO); spin_unlock_irq(&phba->hbalock); goto out; } @@ -942,13 +911,12 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (phba->hba_flag & HBA_FIP_SUPPORT) lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP | LOG_ELS, - "2769 FLOGI successful on FCF " - "record: current_fcf_index:" - "x%x, terminate FCF round " - "robin failover process\n", + "2769 FLOGI to FCF (x%x) " + "completed successfully\n", phba->fcf.current_rec.fcf_indx); spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag &= ~FCF_DISCOVERY; + phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO); spin_unlock_irq(&phba->hbalock); goto out; } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 0788bf6..05c9398 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -20,6 +20,7 @@ *******************************************************************/ #include <linux/blkdev.h> +#include <linux/delay.h> #include <linux/slab.h> #include <linux/pci.h> #include <linux/kthread.h> @@ -63,6 +64,7 @@ static uint8_t lpfcAlpaArray[] = { static void lpfc_disc_timeout_handler(struct lpfc_vport *); static void lpfc_disc_flush_list(struct lpfc_vport *vport); static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); +static int lpfc_fcf_inuse(struct lpfc_hba *); void lpfc_terminate_rport_io(struct fc_rport *rport) @@ -160,11 +162,17 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) return; } -/* - * This function is called from the worker thread when dev_loss_tmo - * expire. - */ -static void +/** + * lpfc_dev_loss_tmo_handler - Remote node devloss timeout handler + * @ndlp: Pointer to remote node object. + * + * This function is called from the worker thread when devloss timeout timer + * expires. For SLI4 host, this routine shall return 1 when at lease one + * remote node, including this @ndlp, is still in use of FCF; otherwise, this + * routine shall return 0 when there is no remote node is still in use of FCF + * when devloss timeout happened to this @ndlp. + **/ +static int lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) { struct lpfc_rport_data *rdata; @@ -175,17 +183,21 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) int put_node; int put_rport; int warn_on = 0; + int fcf_inuse = 0; rport = ndlp->rport; if (!rport) - return; + return fcf_inuse; rdata = rport->dd_data; name = (uint8_t *) &ndlp->nlp_portname; vport = ndlp->vport; phba = vport->phba; + if (phba->sli_rev == LPFC_SLI_REV4) + fcf_inuse = lpfc_fcf_inuse(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); @@ -209,7 +221,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) lpfc_nlp_put(ndlp); if (put_rport) put_device(&rport->dev); - return; + return fcf_inuse; } if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { @@ -220,7 +232,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) *name, *(name+1), *(name+2), *(name+3), *(name+4), *(name+5), *(name+6), *(name+7), ndlp->nlp_DID); - return; + return fcf_inuse; } if (ndlp->nlp_type & NLP_FABRIC) { @@ -233,7 +245,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) lpfc_nlp_put(ndlp); if (put_rport) put_device(&rport->dev); - return; + return fcf_inuse; } if (ndlp->nlp_sid != NLP_NO_SID) { @@ -280,6 +292,74 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) (ndlp->nlp_state != NLP_STE_PRLI_ISSUE)) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); + return fcf_inuse; +} + +/** + * lpfc_sli4_post_dev_loss_tmo_handler - SLI4 post devloss timeout handler + * @phba: Pointer to hba context object. + * @fcf_inuse: SLI4 FCF in-use state reported from devloss timeout handler. + * @nlp_did: remote node identifer with devloss timeout. + * + * This function is called from the worker thread after invoking devloss + * timeout handler and releasing the reference count for the ndlp with + * which the devloss timeout was handled for SLI4 host. For the devloss + * timeout of the last remote node which had been in use of FCF, when this + * routine is invoked, it shall be guaranteed that none of the remote are + * in-use of FCF. When devloss timeout to the last remote using the FCF, + * if the FIP engine is neither in FCF table scan process nor roundrobin + * failover process, the in-use FCF shall be unregistered. If the FIP + * engine is in FCF discovery process, the devloss timeout state shall + * be set for either the FCF table scan process or roundrobin failover + * process to unregister the in-use FCF. + **/ +static void +lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba *phba, int fcf_inuse, + uint32_t nlp_did) +{ + /* If devloss timeout happened to a remote node when FCF had no + * longer been in-use, do nothing. + */ + if (!fcf_inuse) + return; + + if ((phba->hba_flag & HBA_FIP_SUPPORT) && !lpfc_fcf_inuse(phba)) { + spin_lock_irq(&phba->hbalock); + if (phba->fcf.fcf_flag & FCF_DISCOVERY) { + if (phba->hba_flag & HBA_DEVLOSS_TMO) { + spin_unlock_irq(&phba->hbalock); + return; + } + phba->hba_flag |= HBA_DEVLOSS_TMO; + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2847 Last remote node (x%x) using " + "FCF devloss tmo\n", nlp_did); + } + if (phba->fcf.fcf_flag & FCF_REDISC_PROG) { + spin_unlock_irq(&phba->hbalock); + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2868 Devloss tmo to FCF rediscovery " + "in progress\n"); + return; + } + if (!(phba->hba_flag & (FCF_TS_INPROG | FCF_RR_INPROG))) { + spin_unlock_irq(&phba->hbalock); + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2869 Devloss tmo to idle FIP engine, " + "unreg in-use FCF and rescan.\n"); + /* Unregister in-use FCF and rescan */ + lpfc_unregister_fcf_rescan(phba); + return; + } + spin_unlock_irq(&phba->hbalock); + if (phba->hba_flag & FCF_TS_INPROG) + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2870 FCF table scan in progress\n"); + if (phba->hba_flag & FCF_RR_INPROG) + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2871 FLOGI roundrobin FCF failover " + "in progress\n"); + } lpfc_unregister_unused_fcf(phba); } @@ -408,6 +488,8 @@ lpfc_work_list_done(struct lpfc_hba *phba) struct lpfc_work_evt *evtp = NULL; struct lpfc_nodelist *ndlp; int free_evt; + int fcf_inuse; + uint32_t nlp_did; spin_lock_irq(&phba->hbalock); while (!list_empty(&phba->work_list)) { @@ -427,12 +509,17 @@ lpfc_work_list_done(struct lpfc_hba *phba) break; case LPFC_EVT_DEV_LOSS: ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); - lpfc_dev_loss_tmo_handler(ndlp); + fcf_inuse = lpfc_dev_loss_tmo_handler(ndlp); free_evt = 0; /* decrement the node reference count held for * this queued work */ + nlp_did = ndlp->nlp_DID; lpfc_nlp_put(ndlp); + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_post_dev_loss_tmo_handler(phba, + fcf_inuse, + nlp_did); break; case LPFC_EVT_ONLINE: if (phba->link_state < LPFC_LINK_DOWN) @@ -1021,8 +1108,7 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) "2017 REG_FCFI mbxStatus error x%x " "HBA state x%x\n", mboxq->u.mb.mbxStatus, vport->port_state); - mempool_free(mboxq, phba->mbox_mem_pool); - return; + goto fail_out; } /* Start FCoE discovery by sending a FLOGI. */ @@ -1031,20 +1117,30 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag |= FCF_REGISTERED; spin_unlock_irq(&phba->hbalock); + /* If there is a pending FCoE event, restart FCF table scan. */ - if (lpfc_check_pending_fcoe_event(phba, 1)) { - mempool_free(mboxq, phba->mbox_mem_pool); - return; - } + if (lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF)) + goto fail_out; + + /* Mark successful completion of FCF table scan */ spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; - spin_unlock_irq(&phba->hbalock); - if (vport->port_state != LPFC_FLOGI) + phba->hba_flag &= ~FCF_TS_INPROG; + if (vport->port_state != LPFC_FLOGI) { + phba->hba_flag |= FCF_RR_INPROG; + spin_unlock_irq(&phba->hbalock); lpfc_initial_flogi(vport); + goto out; + } + spin_unlock_irq(&phba->hbalock); + goto out; +fail_out: + spin_lock_irq(&phba->hbalock); + phba->hba_flag &= ~FCF_RR_INPROG; + spin_unlock_irq(&phba->hbalock); +out: mempool_free(mboxq, phba->mbox_mem_pool); - return; } /** @@ -1241,10 +1337,9 @@ lpfc_register_fcf(struct lpfc_hba *phba) int rc; spin_lock_irq(&phba->hbalock); - /* If the FCF is not availabe do nothing. */ if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { - phba->hba_flag &= ~FCF_DISC_INPROGRESS; + phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); spin_unlock_irq(&phba->hbalock); return; } @@ -1252,19 +1347,22 @@ lpfc_register_fcf(struct lpfc_hba *phba) /* The FCF is already registered, start discovery */ if (phba->fcf.fcf_flag & FCF_REGISTERED) { phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; - spin_unlock_irq(&phba->hbalock); - if (phba->pport->port_state != LPFC_FLOGI) + phba->hba_flag &= ~FCF_TS_INPROG; + if (phba->pport->port_state != LPFC_FLOGI) { + phba->hba_flag |= FCF_RR_INPROG; + spin_unlock_irq(&phba->hbalock); lpfc_initial_flogi(phba->pport); + return; + } + spin_unlock_irq(&phba->hbalock); return; } spin_unlock_irq(&phba->hbalock); - fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, - GFP_KERNEL); + fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!fcf_mbxq) { spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; + phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); spin_unlock_irq(&phba->hbalock); return; } @@ -1275,7 +1373,7 @@ lpfc_register_fcf(struct lpfc_hba *phba) rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; + phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); spin_unlock_irq(&phba->hbalock); mempool_free(fcf_mbxq, phba->mbox_mem_pool); } @@ -1493,7 +1591,7 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) * FCF discovery, no need to restart FCF discovery. */ if ((phba->link_state >= LPFC_LINK_UP) && - (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) + (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) return 0; lpfc_printf_log(phba, KERN_INFO, LOG_FIP, @@ -1517,14 +1615,14 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); } else { /* - * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS + * Do not continue FCF discovery and clear FCF_TS_INPROG * flag */ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, "2833 Stop FCF discovery process due to link " "state change (x%x)\n", phba->link_state); spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; + phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG); phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); spin_unlock_irq(&phba->hbalock); } @@ -1729,6 +1827,65 @@ lpfc_sli4_fcf_record_match(struct lpfc_hba *phba, } /** + * lpfc_sli4_fcf_rr_next_proc - processing next roundrobin fcf + * @vport: Pointer to vport object. + * @fcf_index: index to next fcf. + * + * This function processing the roundrobin fcf failover to next fcf index. + * When this function is invoked, there will be a current fcf registered + * for flogi. + * Return: 0 for continue retrying flogi on currently registered fcf; + * 1 for stop flogi on currently registered fcf; + */ +int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index) +{ + struct lpfc_hba *phba = vport->phba; + int rc; + + if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) { + spin_lock_irq(&phba->hbalock); + if (phba->hba_flag & HBA_DEVLOSS_TMO) { + spin_unlock_irq(&phba->hbalock); + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2872 Devloss tmo with no eligible " + "FCF, unregister in-use FCF (x%x) " + "and rescan FCF table\n", + phba->fcf.current_rec.fcf_indx); + lpfc_unregister_fcf_rescan(phba); + goto stop_flogi_current_fcf; + } + /* Mark the end to FLOGI roundrobin failover */ + phba->hba_flag &= ~FCF_RR_INPROG; + /* Allow action to new fcf asynchronous event */ + phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); + spin_unlock_irq(&phba->hbalock); + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2865 No FCF available, stop roundrobin FCF " + "failover and change port state:x%x/x%x\n", + phba->pport->port_state, LPFC_VPORT_UNKNOWN); + phba->pport->port_state = LPFC_VPORT_UNKNOWN; + goto stop_flogi_current_fcf; + } else { + lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS, + "2794 Try FLOGI roundrobin FCF failover to " + "(x%x)\n", fcf_index); + rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index); + if (rc) + lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, + "2761 FLOGI roundrobin FCF failover " + "failed (rc:x%x) to read FCF (x%x)\n", + rc, phba->fcf.current_rec.fcf_indx); + else + goto stop_flogi_current_fcf; + } + return 0; + +stop_flogi_current_fcf: + lpfc_can_disctmo(vport); + return 1; +} + +/** * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. * @phba: pointer to lpfc hba data structure. * @mboxq: pointer to mailbox object. @@ -1756,7 +1913,7 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) int rc; /* If there is pending FCoE event restart FCF table scan */ - if (lpfc_check_pending_fcoe_event(phba, 0)) { + if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) { lpfc_sli4_mbox_cmd_free(phba, mboxq); return; } @@ -1765,12 +1922,12 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, &next_fcf_index); if (!new_fcf_record) { - lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, + lpfc_printf_log(phba, KERN_ERR, LOG_FIP, "2765 Mailbox command READ_FCF_RECORD " "failed to retrieve a FCF record.\n"); /* Let next new FCF event trigger fast failover */ spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; + phba->hba_flag &= ~FCF_TS_INPROG; spin_unlock_irq(&phba->hbalock); lpfc_sli4_mbox_cmd_free(phba, mboxq); return; @@ -1787,13 +1944,12 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) /* * If the fcf record does not match with connect list entries * read the next entry; otherwise, this is an eligible FCF - * record for round robin FCF failover. + * record for roundrobin FCF failover. */ if (!rc) { lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, - "2781 FCF record (x%x) failed FCF " - "connection list check, fcf_avail:x%x, " - "fcf_valid:x%x\n", + "2781 FCF (x%x) failed connection " + "list check: (x%x/x%x)\n", bf_get(lpfc_fcf_record_fcf_index, new_fcf_record), bf_get(lpfc_fcf_record_fcf_avail, @@ -1823,9 +1979,8 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, "2835 Invalid in-use FCF " - "record (x%x) reported, " - "entering fast FCF failover " - "mode scanning.\n", + "(x%x), enter FCF failover " + "table scan.\n", phba->fcf.current_rec.fcf_indx); spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag |= FCF_REDISC_FOV; @@ -1970,8 +2125,8 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) */ if (fcf_rec) { lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2840 Update current FCF record " - "with initial FCF record (x%x)\n", + "2840 Update initial FCF candidate " + "with FCF (x%x)\n", bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, @@ -2001,20 +2156,28 @@ read_next_fcf: */ if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, - "2782 No suitable FCF record " - "found during this round of " - "post FCF rediscovery scan: " - "fcf_evt_tag:x%x, fcf_index: " - "x%x\n", + "2782 No suitable FCF found: " + "(x%x/x%x)\n", phba->fcoe_eventtag_at_fcf_scan, bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); + spin_lock_irq(&phba->hbalock); + if (phba->hba_flag & HBA_DEVLOSS_TMO) { + phba->hba_flag &= ~FCF_TS_INPROG; + spin_unlock_irq(&phba->hbalock); + /* Unregister in-use FCF and rescan */ + lpfc_printf_log(phba, KERN_INFO, + LOG_FIP, + "2864 On devloss tmo " + "unreg in-use FCF and " + "rescan FCF table\n"); + lpfc_unregister_fcf_rescan(phba); + return; + } /* - * Let next new FCF event trigger fast - * failover + * Let next new FCF event trigger fast failover */ - spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; + phba->hba_flag &= ~FCF_TS_INPROG; spin_unlock_irq(&phba->hbalock); return; } @@ -2032,9 +2195,8 @@ read_next_fcf: /* Replace in-use record with the new record */ lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2842 Replace the current in-use " - "FCF record (x%x) with failover FCF " - "record (x%x)\n", + "2842 Replace in-use FCF (x%x) " + "with failover FCF (x%x)\n", phba->fcf.current_rec.fcf_indx, phba->fcf.failover_rec.fcf_indx); memcpy(&phba->fcf.current_rec, @@ -2046,15 +2208,8 @@ read_next_fcf: * FCF failover. */ spin_lock_irq(&phba->hbalock); - phba->fcf.fcf_flag &= - ~(FCF_REDISC_FOV | FCF_REDISC_RRU); + phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; spin_unlock_irq(&phba->hbalock); - /* - * Set up the initial registered FCF index for FLOGI - * round robin FCF failover. - */ - phba->fcf.fcf_rr_init_indx = - phba->fcf.failover_rec.fcf_indx; /* Register to the new FCF record */ lpfc_register_fcf(phba); } else { @@ -2101,11 +2256,11 @@ out: } /** - * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler + * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf roundrobin read_fcf mbox cmpl hdler * @phba: pointer to lpfc hba data structure. * @mboxq: pointer to mailbox object. * - * This is the callback function for FLOGI failure round robin FCF failover + * This is the callback function for FLOGI failure roundrobin FCF failover * read FCF record mailbox command from the eligible FCF record bmask for * performing the failover. If the FCF read back is not valid/available, it * fails through to retrying FLOGI to the currently registered FCF again. @@ -2120,17 +2275,18 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) { struct fcf_record *new_fcf_record; uint32_t boot_flag, addr_mode; - uint16_t next_fcf_index; + uint16_t next_fcf_index, fcf_index; uint16_t current_fcf_index; uint16_t vlan_id; + int rc; - /* If link state is not up, stop the round robin failover process */ + /* If link state is not up, stop the roundrobin failover process */ if (phba->link_state < LPFC_LINK_UP) { spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag &= ~FCF_DISCOVERY; + phba->hba_flag &= ~FCF_RR_INPROG; spin_unlock_irq(&phba->hbalock); - lpfc_sli4_mbox_cmd_free(phba, mboxq); - return; + goto out; } /* Parse the FCF record from the non-embedded mailbox command */ @@ -2140,23 +2296,47 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, "2766 Mailbox command READ_FCF_RECORD " "failed to retrieve a FCF record.\n"); - goto out; + goto error_out; } /* Get the needed parameters from FCF record */ - lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, - &addr_mode, &vlan_id); + rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, + &addr_mode, &vlan_id); /* Log the FCF record information if turned on */ lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, next_fcf_index); + fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); + if (!rc) { + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2848 Remove ineligible FCF (x%x) from " + "from roundrobin bmask\n", fcf_index); + /* Clear roundrobin bmask bit for ineligible FCF */ + lpfc_sli4_fcf_rr_index_clear(phba, fcf_index); + /* Perform next round of roundrobin FCF failover */ + fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); + rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index); + if (rc) + goto out; + goto error_out; + } + + if (fcf_index == phba->fcf.current_rec.fcf_indx) { + lpfc_printf_log(phba, KERN_INFO, LOG_FIP, + "2760 Perform FLOGI roundrobin FCF failover: " + "FCF (x%x) back to FCF (x%x)\n", + phba->fcf.current_rec.fcf_indx, fcf_index); + /* Wait 500 ms before retrying FLOGI to current FCF */ + msleep(500); + lpfc_initial_flogi(phba->pport); + goto out; + } + /* Upload new FCF record to the failover FCF record */ lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2834 Update the current FCF record (x%x) " - "with the next FCF record (x%x)\n", - phba->fcf.failover_rec.fcf_indx, - bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); + "2834 Update current FCF (x%x) with new FCF (x%x)\n", + phba->fcf.failover_rec.fcf_indx, fcf_index); spin_lock_irq(&phba->hbalock); __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, new_fcf_record, addr_mode, vlan_id, @@ -2173,14 +2353,13 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) sizeof(struct lpfc_fcf_rec)); lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2783 FLOGI round robin FCF failover from FCF " - "(x%x) to FCF (x%x).\n", - current_fcf_index, - bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); + "2783 Perform FLOGI roundrobin FCF failover: FCF " + "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index); +error_out: + lpfc_register_fcf(phba); out: lpfc_sli4_mbox_cmd_free(phba, mboxq); - lpfc_register_fcf(phba); } /** @@ -2189,10 +2368,10 @@ out: * @mboxq: pointer to mailbox object. * * This is the callback function of read FCF record mailbox command for - * updating the eligible FCF bmask for FLOGI failure round robin FCF + * updating the eligible FCF bmask for FLOGI failure roundrobin FCF * failover when a new FCF event happened. If the FCF read back is * valid/available and it passes the connection list check, it updates - * the bmask for the eligible FCF record for round robin failover. + * the bmask for the eligible FCF record for roundrobin failover. */ void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) @@ -2634,7 +2813,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) * and get the FCF Table. */ spin_lock_irq(&phba->hbalock); - if (phba->hba_flag & FCF_DISC_INPROGRESS) { + if (phba->hba_flag & FCF_TS_INPROG) { spin_unlock_irq(&phba->hbalock); return; } diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 9a2e2c7..814d0b3 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -2936,8 +2936,7 @@ lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) phba->fcf.fcf_flag |= FCF_REDISC_EVT; spin_unlock_irq(&phba->hbalock); lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2776 FCF rediscover wait timer expired, post " - "a worker thread event for FCF table scan\n"); + "2776 FCF rediscover quiescent timer expired\n"); /* wake up worker thread */ lpfc_worker_wake_up(phba); } @@ -3312,35 +3311,34 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, if (event_type == LPFC_FCOE_EVENT_TYPE_NEW_FCF) lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, - "2546 New FCF found event: " - "evt_tag:x%x, fcf_index:x%x\n", + "2546 New FCF event, evt_tag:x%x, " + "index:x%x\n", acqe_fcoe->event_tag, acqe_fcoe->index); else lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_DISCOVERY, - "2788 FCF parameter modified event: " - "evt_tag:x%x, fcf_index:x%x\n", + "2788 FCF param modified event, " + "evt_tag:x%x, index:x%x\n", acqe_fcoe->event_tag, acqe_fcoe->index); if (phba->fcf.fcf_flag & FCF_DISCOVERY) { /* * During period of FCF discovery, read the FCF * table record indexed by the event to update - * FCF round robin failover eligible FCF bmask. + * FCF roundrobin failover eligible FCF bmask. */ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, - "2779 Read new FCF record with " - "fcf_index:x%x for updating FCF " - "round robin failover bmask\n", + "2779 Read FCF (x%x) for updating " + "roundrobin FCF failover bmask\n", acqe_fcoe->index); rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index); } /* If the FCF discovery is in progress, do nothing. */ spin_lock_irq(&phba->hbalock); - if (phba->hba_flag & FCF_DISC_INPROGRESS) { + if (phba->hba_flag & FCF_TS_INPROG) { spin_unlock_irq(&phba->hbalock); break; } @@ -3359,15 +3357,15 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, /* Otherwise, scan the entire FCF table and re-discover SAN */ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, - "2770 Start FCF table scan due to new FCF " - "event: evt_tag:x%x, fcf_index:x%x\n", + "2770 Start FCF table scan per async FCF " + "event, evt_tag:x%x, index:x%x\n", acqe_fcoe->event_tag, acqe_fcoe->index); rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); if (rc) lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, "2547 Issue FCF scan read FCF mailbox " - "command failed 0x%x\n", rc); + "command failed (x%x)\n", rc); break; case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL: @@ -3379,9 +3377,8 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, case LPFC_FCOE_EVENT_TYPE_FCF_DEAD: lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, - "2549 FCF disconnected from network index 0x%x" - " tag 0x%x\n", acqe_fcoe->index, - acqe_fcoe->event_tag); + "2549 FCF (x%x) disconnected from network, " + "tag:x%x\n", acqe_fcoe->index, acqe_fcoe->event_tag); /* * If we are in the middle of FCF failover process, clear * the corresponding FCF bit in the roundrobin bitmap. @@ -3495,9 +3492,8 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, spin_unlock_irq(&phba->hbalock); lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, - "2773 Start FCF fast failover due " - "to CVL event: evt_tag:x%x\n", - acqe_fcoe->event_tag); + "2773 Start FCF failover per CVL, " + "evt_tag:x%x\n", acqe_fcoe->event_tag); rc = lpfc_sli4_redisc_fcf_table(phba); if (rc) { lpfc_printf_log(phba, KERN_ERR, LOG_FIP | @@ -3647,8 +3643,7 @@ void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) /* Scan FCF table from the first entry to re-discover SAN */ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, - "2777 Start FCF table scan after FCF " - "rediscovery quiescent period over\n"); + "2777 Start post-quiescent FCF table scan\n"); rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); if (rc) lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, @@ -4166,7 +4161,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) goto out_free_active_sgl; } - /* Allocate eligible FCF bmask memory for FCF round robin failover */ + /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), GFP_KERNEL); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 0d1e187..9d2e134 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -5921,7 +5921,7 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, * lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution * @phba: Pointer to HBA context object. * - * This routine performs a round robin SCSI command to SLI4 FCP WQ index + * This routine performs a roundrobin SCSI command to SLI4 FCP WQ index * distribution. This is called by __lpfc_sli_issue_iocb_s4() with the hbalock * held. * @@ -12242,13 +12242,15 @@ lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) /* Issue the mailbox command asynchronously */ mboxq->vport = phba->pport; mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; + + spin_lock_irq(&phba->hbalock); + phba->hba_flag |= FCF_TS_INPROG; + spin_unlock_irq(&phba->hbalock); + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) error = -EIO; else { - spin_lock_irq(&phba->hbalock); - phba->hba_flag |= FCF_DISC_INPROGRESS; - spin_unlock_irq(&phba->hbalock); /* Reset eligible FCF count for new scan */ if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) phba->fcf.eligible_fcf_cnt = 0; @@ -12258,21 +12260,21 @@ fail_fcf_scan: if (error) { if (mboxq) lpfc_sli4_mbox_cmd_free(phba, mboxq); - /* FCF scan failed, clear FCF_DISC_INPROGRESS flag */ + /* FCF scan failed, clear FCF_TS_INPROG flag */ spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~FCF_DISC_INPROGRESS; + phba->hba_flag &= ~FCF_TS_INPROG; spin_unlock_irq(&phba->hbalock); } return error; } /** - * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for round robin fcf. + * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf. * @phba: pointer to lpfc hba data structure. * @fcf_index: FCF table entry offset. * * This routine is invoked to read an FCF record indicated by @fcf_index - * and to use it for FLOGI round robin FCF failover. + * and to use it for FLOGI roundrobin FCF failover. * * Return 0 if the mailbox command is submitted sucessfully, none 0 * otherwise. @@ -12318,7 +12320,7 @@ fail_fcf_read: * @fcf_index: FCF table entry offset. * * This routine is invoked to read an FCF record indicated by @fcf_index to - * determine whether it's eligible for FLOGI round robin failover list. + * determine whether it's eligible for FLOGI roundrobin failover list. * * Return 0 if the mailbox command is submitted sucessfully, none 0 * otherwise. @@ -12364,7 +12366,7 @@ fail_fcf_read: * * This routine is to get the next eligible FCF record index in a round * robin fashion. If the next eligible FCF record index equals to the - * initial round robin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) + * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) * shall be returned, otherwise, the next eligible FCF record's index * shall be returned. **/ @@ -12392,28 +12394,10 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) return LPFC_FCOE_FCF_NEXT_NONE; } - /* Check roundrobin failover index bmask stop condition */ - if (next_fcf_index == phba->fcf.fcf_rr_init_indx) { - if (!(phba->fcf.fcf_flag & FCF_REDISC_RRU)) { - lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, - "2847 Round robin failover FCF index " - "search hit stop condition:x%x\n", - next_fcf_index); - return LPFC_FCOE_FCF_NEXT_NONE; - } - /* The roundrobin failover index bmask updated, start over */ - lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2848 Round robin failover FCF index bmask " - "updated, start over\n"); - spin_lock_irq(&phba->hbalock); - phba->fcf.fcf_flag &= ~FCF_REDISC_RRU; - spin_unlock_irq(&phba->hbalock); - return phba->fcf.fcf_rr_init_indx; - } - lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2845 Get next round robin failover " - "FCF index x%x\n", next_fcf_index); + "2845 Get next roundrobin failover FCF (x%x)\n", + next_fcf_index); + return next_fcf_index; } @@ -12422,7 +12406,7 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) * @phba: pointer to lpfc hba data structure. * * This routine sets the FCF record index in to the eligible bmask for - * round robin failover search. It checks to make sure that the index + * roundrobin failover search. It checks to make sure that the index * does not go beyond the range of the driver allocated bmask dimension * before setting the bit. * @@ -12434,22 +12418,16 @@ lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) { if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { lpfc_printf_log(phba, KERN_ERR, LOG_FIP, - "2610 HBA FCF index reached driver's " - "book keeping dimension: fcf_index:%d, " - "driver_bmask_max:%d\n", + "2610 FCF (x%x) reached driver's book " + "keeping dimension:x%x\n", fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); return -EINVAL; } /* Set the eligible FCF record index bmask */ set_bit(fcf_index, phba->fcf.fcf_rr_bmask); - /* Set the roundrobin index bmask updated */ - spin_lock_irq(&phba->hbalock); - phba->fcf.fcf_flag |= FCF_REDISC_RRU; - spin_unlock_irq(&phba->hbalock); - lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2790 Set FCF index x%x to round robin failover " + "2790 Set FCF (x%x) to roundrobin FCF failover " "bmask\n", fcf_index); return 0; @@ -12460,7 +12438,7 @@ lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) * @phba: pointer to lpfc hba data structure. * * This routine clears the FCF record index from the eligible bmask for - * round robin failover search. It checks to make sure that the index + * roundrobin failover search. It checks to make sure that the index * does not go beyond the range of the driver allocated bmask dimension * before clearing the bit. **/ @@ -12469,9 +12447,8 @@ lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) { if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { lpfc_printf_log(phba, KERN_ERR, LOG_FIP, - "2762 HBA FCF index goes beyond driver's " - "book keeping dimension: fcf_index:%d, " - "driver_bmask_max:%d\n", + "2762 FCF (x%x) reached driver's book " + "keeping dimension:x%x\n", fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); return; } @@ -12479,7 +12456,7 @@ lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2791 Clear FCF index x%x from round robin failover " + "2791 Clear FCF (x%x) from roundrobin failover " "bmask\n", fcf_index); } @@ -12530,8 +12507,7 @@ lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) } } else { lpfc_printf_log(phba, KERN_INFO, LOG_FIP, - "2775 Start FCF rediscovery quiescent period " - "wait timer before scaning FCF table\n"); + "2775 Start FCF rediscover quiescent timer\n"); /* * Start FCF rediscovery wait timer for pending FCF * before rescan FCF record table. diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index a0ca572..98da223 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -23,6 +23,9 @@ #define LPFC_GET_QE_REL_INT 32 #define LPFC_RPI_LOW_WATER_MARK 10 +#define LPFC_UNREG_FCF 1 +#define LPFC_SKIP_UNREG_FCF 0 + /* Amount of time in seconds for waiting FCF rediscovery to complete */ #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */ @@ -163,9 +166,8 @@ struct lpfc_fcf { #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */ #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */ #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */ -#define FCF_REDISC_RRU 0x400 /* Roundrobin bitmap updated */ +#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT) uint32_t addr_mode; - uint16_t fcf_rr_init_indx; uint32_t eligible_fcf_cnt; struct lpfc_fcf_rec current_rec; struct lpfc_fcf_rec failover_rec; |