diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 26c67c866d1f..dba6770b506b 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -2371,6 +2371,7 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; struct lpfc_sli *psli = &phba->sli; + int error, retval; dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); if (pci_enable_device_mem(pdev)) { @@ -2385,6 +2386,36 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) psli->sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(&phba->hbalock); + /* Enable configured interrupt method */ + phba->intr_type = NONE; + if (phba->cfg_use_msi == 2) { + error = lpfc_enable_msix(phba); + if (!error) + phba->intr_type = MSIX; + } + + /* Fallback to MSI if MSI-X initialization failed */ + if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { + retval = pci_enable_msi(phba->pcidev); + if (!retval) + phba->intr_type = MSI; + else + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0470 Enable MSI failed, continuing " + "with IRQ\n"); + } + + /* MSI-X is the only case the doesn't need to call request_irq */ + if (phba->intr_type != MSIX) { + retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, + IRQF_SHARED, LPFC_DRIVER_NAME, phba); + if (retval) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0471 Enable interrupt handler " + "failed\n"); + } else if (phba->intr_type != MSI) + phba->intr_type = INTx; + } /* Take device offline; this will perform cleanup */ lpfc_offline(phba); |