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path: root/drivers/scsi/lpfc/lpfc_init.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 6932657d74a..93679f30a5a 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7142,6 +7142,28 @@ lpfc_pci_resume_one_s3(struct pci_dev *pdev)
}
/**
+ * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI3 device for PCI slot recover. It
+ * aborts and stops all the on-going I/Os on the pci device.
+ **/
+static void
+lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
+{
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2723 PCI channel I/O abort preparing for recovery\n");
+ /* Prepare for bringing HBA offline */
+ lpfc_offline_prep(phba);
+ /* Clear sli active flag to prevent sysfs access to HBA */
+ spin_lock_irq(&phba->hbalock);
+ phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE;
+ spin_unlock_irq(&phba->hbalock);
+ /* Stop and flush all I/Os and bring HBA offline */
+ lpfc_offline(phba);
+}
+
+/**
* lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
* @phba: pointer to lpfc hba data structure.
*
@@ -7156,7 +7178,7 @@ lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
struct lpfc_sli_ring *pring;
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "2710 PCI channel I/O frozen\n");
+ "2710 PCI channel disable preparing for reset\n");
/* Disable interrupt and pci device */
lpfc_sli_disable_intr(phba);
pci_disable_device(phba->pcidev);
@@ -7181,7 +7203,7 @@ static void
lpfc_prep_dev_for_perm_failure(struct lpfc_hba *phba)
{
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "2711 PCI channel I/O permanent failure\n");
+ "2711 PCI channel permanent disable for 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 */
@@ -7214,7 +7236,8 @@ lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
switch (state) {
case pci_channel_io_normal:
- /* Non-fatal error, do nothing */
+ /* Non-fatal error, prepare for recovery */
+ lpfc_sli_prep_dev_for_recover(phba);
return PCI_ERS_RESULT_CAN_RECOVER;
case pci_channel_io_frozen:
/* Fatal error, prepare for slot reset */