diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvme.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nvme.c | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 9d99cb915390..946642cee3df 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -2143,7 +2143,9 @@ lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport, struct completion *lport_unreg_cmp) { u32 wait_tmo; - int ret; + int ret, i, pending = 0; + struct lpfc_sli_ring *pring; + struct lpfc_hba *phba = vport->phba; /* Host transport has to clean up and confirm requiring an indefinite * wait. Print a message if a 10 second wait expires and renew the @@ -2153,10 +2155,18 @@ lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport, while (true) { ret = wait_for_completion_timeout(lport_unreg_cmp, wait_tmo); if (unlikely(!ret)) { + pending = 0; + for (i = 0; i < phba->cfg_hdw_queue; i++) { + pring = phba->sli4_hba.hdwq[i].nvme_wq->pring; + if (!pring) + continue; + if (pring->txcmplq_cnt) + pending += pring->txcmplq_cnt; + } lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_IOERR, "6176 Lport %p Localport %p wait " - "timed out. Renewing.\n", - lport, vport->localport); + "timed out. Pending %d. Renewing.\n", + lport, vport->localport, pending); continue; } break; @@ -2402,6 +2412,50 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) #endif } +/** + * lpfc_nvme_rescan_port - Check to see if we should rescan this remoteport + * + * If the ndlp represents an NVME Target, that we are logged into, + * ping the NVME FC Transport layer to initiate a device rescan + * on this remote NPort. + */ +void +lpfc_nvme_rescan_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) +{ +#if (IS_ENABLED(CONFIG_NVME_FC)) + struct lpfc_nvme_rport *rport; + struct nvme_fc_remote_port *remoteport; + + rport = ndlp->nrport; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC, + "6170 Rescan NPort DID x%06x type x%x " + "state x%x rport %p\n", + ndlp->nlp_DID, ndlp->nlp_type, ndlp->nlp_state, rport); + if (!rport) + goto input_err; + remoteport = rport->remoteport; + if (!remoteport) + goto input_err; + + /* Only rescan if we are an NVME target in the MAPPED state */ + if (remoteport->port_role & FC_PORT_ROLE_NVME_DISCOVERY && + ndlp->nlp_state == NLP_STE_MAPPED_NODE) { + nvme_fc_rescan_remoteport(remoteport); + + lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC, + "6172 NVME rescanned DID x%06x " + "port_state x%x\n", + ndlp->nlp_DID, remoteport->port_state); + } + return; +input_err: + lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC, + "6169 State error: lport %p, rport%p FCID x%06x\n", + vport->localport, ndlp->rport, ndlp->nlp_DID); +#endif +} + /* lpfc_nvme_unregister_port - unbind the DID and port_role from this rport. * * There is no notion of Devloss or rport recovery from the current |