diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 2f8e6d0a926f..a04995832459 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -669,8 +669,6 @@ struct lpfc_vport { struct timer_list els_tmofunc; struct timer_list delayed_disc_tmo; - int unreg_vpi_cmpl; - uint8_t load_flag; #define FC_LOADING 0x1 /* HBA in process of loading drvr */ #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index ba90ece8b81e..3c14ada12363 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -10978,10 +10978,19 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_can_disctmo(vport); } + if (ndlp->save_flags & NLP_WAIT_FOR_LOGO) { + /* Wake up lpfc_vport_delete if waiting...*/ + if (ndlp->logo_waitq) + wake_up(ndlp->logo_waitq); + spin_lock_irq(&ndlp->lock); + ndlp->nlp_flag &= ~(NLP_ISSUE_LOGO | NLP_LOGO_SND); + ndlp->save_flags &= ~NLP_WAIT_FOR_LOGO; + spin_unlock_irq(&ndlp->lock); + } + /* Safe to release resources now. */ lpfc_els_free_iocb(phba, cmdiocb); lpfc_nlp_put(ndlp); - vport->unreg_vpi_cmpl = VPORT_ERROR; } /** diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 9fe6e5b386ce..802fd30a9fb8 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -3928,7 +3928,6 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) vport->vpi_state &= ~LPFC_VPI_REGISTERED; vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; spin_unlock_irq(shost->host_lock); - vport->unreg_vpi_cmpl = VPORT_OK; mempool_free(pmb, phba->mbox_mem_pool); lpfc_cleanup_vports_rrqs(vport, NULL); /* @@ -3958,7 +3957,6 @@ lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "1800 Could not issue unreg_vpi\n"); mempool_free(mbox, phba->mbox_mem_pool); - vport->unreg_vpi_cmpl = VPORT_ERROR; return rc; } return 0; diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index da9a1f72d938..d694d0cff5a5 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -485,23 +485,68 @@ error_out: return rc; } +static int +lpfc_send_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) +{ + int rc; + struct lpfc_hba *phba = vport->phba; + + DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq); + + spin_lock_irq(&ndlp->lock); + if (!(ndlp->save_flags & NLP_WAIT_FOR_LOGO) && + !ndlp->logo_waitq) { + ndlp->logo_waitq = &waitq; + ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + ndlp->nlp_flag |= NLP_ISSUE_LOGO; + ndlp->save_flags |= NLP_WAIT_FOR_LOGO; + } + spin_unlock_irq(&ndlp->lock); + rc = lpfc_issue_els_npiv_logo(vport, ndlp); + if (!rc) { + wait_event_timeout(waitq, + (!(ndlp->save_flags & NLP_WAIT_FOR_LOGO)), + msecs_to_jiffies(phba->fc_ratov * 2000)); + + if (!(ndlp->save_flags & NLP_WAIT_FOR_LOGO)) + goto logo_cmpl; + /* LOGO wait failed. Correct status. */ + rc = -EINTR; + } else { + rc = -EIO; + } + + /* Error - clean up node flags. */ + spin_lock_irq(&ndlp->lock); + ndlp->nlp_flag &= ~NLP_ISSUE_LOGO; + ndlp->save_flags &= ~NLP_WAIT_FOR_LOGO; + spin_unlock_irq(&ndlp->lock); + + logo_cmpl: + lpfc_printf_vlog(vport, KERN_INFO, LOG_VPORT, + "1824 Issue LOGO completes with status %d\n", + rc); + spin_lock_irq(&ndlp->lock); + ndlp->logo_waitq = NULL; + spin_unlock_irq(&ndlp->lock); + return rc; +} + static int disable_vport(struct fc_vport *fc_vport) { struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL; - long timeout; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + /* Can't disable during an outstanding delete. */ + if (vport->load_flag & FC_UNLOADING) + return 0; + ndlp = lpfc_findnode_did(vport, Fabric_DID); - if (ndlp && phba->link_state >= LPFC_LINK_UP) { - vport->unreg_vpi_cmpl = VPORT_INVAL; - timeout = msecs_to_jiffies(phba->fc_ratov * 2000); - if (!lpfc_issue_els_npiv_logo(vport, ndlp)) - while (vport->unreg_vpi_cmpl == VPORT_INVAL && timeout) - timeout = schedule_timeout(timeout); - } + if (ndlp && phba->link_state >= LPFC_LINK_UP) + (void)lpfc_send_npiv_logo(vport, ndlp); lpfc_sli_host_down(vport); @@ -600,7 +645,7 @@ lpfc_vport_delete(struct fc_vport *fc_vport) struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; - long timeout; + int rc; if (vport->port_type == LPFC_PHYSICAL_PORT) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, @@ -665,15 +710,14 @@ lpfc_vport_delete(struct fc_vport *fc_vport) phba->fc_topology != LPFC_TOPOLOGY_LOOP) { if (vport->cfg_enable_da_id) { /* Send DA_ID and wait for a completion. */ - timeout = msecs_to_jiffies(phba->fc_ratov * 2000); - if (!lpfc_ns_cmd(vport, SLI_CTNS_DA_ID, 0, 0)) - while (vport->ct_flags && timeout) - timeout = schedule_timeout(timeout); - else + rc = lpfc_ns_cmd(vport, SLI_CTNS_DA_ID, 0, 0); + if (rc) { lpfc_printf_log(vport->phba, KERN_WARNING, LOG_VPORT, "1829 CT command failed to " - "delete objects on fabric\n"); + "delete objects on fabric, " + "rc %d\n", rc); + } } /* @@ -688,11 +732,10 @@ lpfc_vport_delete(struct fc_vport *fc_vport) ndlp = lpfc_findnode_did(vport, Fabric_DID); if (!ndlp) goto skip_logo; - vport->unreg_vpi_cmpl = VPORT_INVAL; - timeout = msecs_to_jiffies(phba->fc_ratov * 2000); - if (!lpfc_issue_els_npiv_logo(vport, ndlp)) - while (vport->unreg_vpi_cmpl == VPORT_INVAL && timeout) - timeout = schedule_timeout(timeout); + + rc = lpfc_send_npiv_logo(vport, ndlp); + if (rc) + goto skip_logo; } if (!(phba->pport->load_flag & FC_UNLOADING))