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[SCSI] lpfc 8.3.6 : Fix AER issues

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Fix AER issues.
 - Made AER sysfs entry point return "Operation not permitted" to
   OneConnect HBAs
 - Stop and abort all I/Os on HBA for AER uncorrectable non-fatal error
   handling

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart
2009-11-18 15:40:23 -05:00
committed by James Bottomley
parent 5ffc266ee7
commit 891478a244
3 changed files with 60 additions and 12 deletions
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29
drivers/scsi/lpfc/lpfc_init.c
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@@ -7141,6 +7141,28 @@ lpfc_pci_resume_one_s3(struct pci_dev *pdev)
return 0;
}
/**
* 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 */