diff options
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 29 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 64 |
5 files changed, 103 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 189ce9f8a7b..495afd06936 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -199,6 +199,7 @@ int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_iocbq *, uint32_t); void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t); void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *); +void lpfc_sli_flush_fcp_rings(struct lpfc_hba *); int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_dmabuf *); struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *, @@ -290,6 +291,7 @@ void lpfc_unblock_fabric_iocbs(struct lpfc_hba *); void lpfc_adjust_queue_depth(struct lpfc_hba *); void lpfc_ramp_down_queue_handler(struct lpfc_hba *); void lpfc_ramp_up_queue_handler(struct lpfc_hba *); +void lpfc_scsi_dev_block(struct lpfc_hba *); #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) #define HBA_EVENT_RSCN 5 diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index b4ef8362353..897ef7d7a8e 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -237,8 +237,6 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], ndlp->nlp_sid, 0, LPFC_CTX_TGT); } - if (vport->load_flag & FC_UNLOADING) - warn_on = 0; if (warn_on) { lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 41a8c13e695..333166b1790 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -2661,8 +2661,15 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; - if (state == pci_channel_io_perm_failure) + if (state == pci_channel_io_perm_failure) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0472 PCI channel I/O permanent failure\n"); + /* Block all SCSI devices' I/Os on the host */ + lpfc_scsi_dev_block(phba); + /* Clean up all driver's outstanding SCSI I/Os */ + lpfc_sli_flush_fcp_rings(phba); return PCI_ERS_RESULT_DISCONNECT; + } pci_disable_device(pdev); /* diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index b73968b2b8b..3606b7098fc 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -183,6 +183,35 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) atomic_set(&phba->num_cmd_success, 0); } +/** + * lpfc_scsi_dev_block: set all scsi hosts to block state. + * @phba: Pointer to HBA context object. + * + * This function walks vport list and set each SCSI host to block state + * by invoking fc_remote_port_delete() routine. This function is invoked + * with EEH when device's PCI slot has been permanently disabled. + **/ +void +lpfc_scsi_dev_block(struct lpfc_hba *phba) +{ + struct lpfc_vport **vports; + struct Scsi_Host *shost; + struct scsi_device *sdev; + struct fc_rport *rport; + int i; + + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) + for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { + shost = lpfc_shost_from_vport(vports[i]); + shost_for_each_device(sdev, shost) { + rport = starget_to_rport(scsi_target(sdev)); + fc_remote_port_delete(rport); + } + } + lpfc_destroy_vport_work_array(phba, vports); +} + /* * This routine allocates a scsi buffer, which contains all the necessary * information needed to initiate a SCSI I/O. The non-DMAable buffer region diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 857bc0a57c4..1812e18246d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -2377,6 +2377,70 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** + * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring. + * @phba: Pointer to HBA context object. + * + * This function flushes all iocbs in the fcp ring and frees all the iocb + * objects in txq and txcmplq. This function will not issue abort iocbs + * for all the iocb commands in txcmplq, they will just be returned with + * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI + * slot has been permanently disabled. + **/ +void +lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) +{ + LIST_HEAD(txq); + LIST_HEAD(txcmplq); + struct lpfc_iocbq *iocb; + IOCB_t *cmd = NULL; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring; + + /* Currently, only one fcp ring */ + pring = &psli->ring[psli->fcp_ring]; + + spin_lock_irq(&phba->hbalock); + /* Retrieve everything on txq */ + list_splice_init(&pring->txq, &txq); + pring->txq_cnt = 0; + + /* Retrieve everything on the txcmplq */ + list_splice_init(&pring->txcmplq, &txcmplq); + pring->txcmplq_cnt = 0; + spin_unlock_irq(&phba->hbalock); + + /* Flush the txq */ + while (!list_empty(&txq)) { + iocb = list_get_first(&txq, struct lpfc_iocbq, list); + cmd = &iocb->iocb; + list_del_init(&iocb->list); + + if (!iocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, iocb); + else { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_DOWN; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } + } + + /* Flush the txcmpq */ + while (!list_empty(&txcmplq)) { + iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list); + cmd = &iocb->iocb; + list_del_init(&iocb->list); + + if (!iocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, iocb); + else { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_DOWN; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } + } +} + +/** * lpfc_sli_brdready: Check for host status bits. * @phba: Pointer to HBA context object. * @mask: Bit mask to be checked. |