diff options
| author | Linas Vepstas <linas@austin.ibm.com> | 2007-02-14 23:28:36 +0300 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-02-16 18:42:38 +0300 |
| commit | 8d63f375051bfb1506fa546db840af8510d1cd60 (patch) | |
| tree | 5c1bca94dd02ed007e8914d0302e42a163e5fc86 /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | 4520b0089b41151ab3cc3ae1ee92d0aa19d88aae (diff) | |
| download | linux-8d63f375051bfb1506fa546db840af8510d1cd60.tar.xz | |
[SCSI] lpfc: add PCI error recovery support
This patch adds PCI Error recovery support to the
Emulex Lightpulse Fibrechannel (lpfc) SCSI device driver.
Lightly tested at this point, works.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Acked-by: Bino.Sebastian@Emulex.Com
Acked-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index a4128e19338a..9fb6960a8ada 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -2104,6 +2104,10 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag) volatile uint32_t word0, ldata; void __iomem *to_slim; + /* If the PCI channel is in offline state, do not post mbox. */ + if (unlikely(pci_channel_offline(phba->pcidev))) + return MBX_NOT_FINISHED; + psli = &phba->sli; spin_lock_irqsave(phba->host->host_lock, drvr_flag); @@ -2407,6 +2411,10 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *nextiocb; IOCB_t *iocb; + /* If the PCI channel is in offline state, do not post iocbs. */ + if (unlikely(pci_channel_offline(phba->pcidev))) + return IOCB_ERROR; + /* * We should never get an IOCB if we are in a < LINK_DOWN state */ @@ -3154,6 +3162,10 @@ lpfc_intr_handler(int irq, void *dev_id) if (unlikely(!phba)) return IRQ_NONE; + /* If the pci channel is offline, ignore all the interrupts. */ + if (unlikely(pci_channel_offline(phba->pcidev))) + return IRQ_NONE; + phba->sli.slistat.sli_intr++; /* |