diff options
| author | James Smart <james.smart@emulex.com> | 2011-03-11 21:06:12 (GMT) |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2011-03-23 16:36:09 (GMT) |
| commit | 9940b97bb30d7435c881418c809ed652eb329583 (patch) | |
| tree | d274c01b97553711c10f0d862b460aa3cd00ba02 /drivers/scsi/lpfc/lpfc_init.c | |
| parent | 7f86059ac016d8662e5fbfab4875529510977b47 (diff) | |
| download | linux-fsl-qoriq-9940b97bb30d7435c881418c809ed652eb329583.tar.xz | |
[SCSI] lpfc 8.3.22: Add support for PCI Adapter Failure
Periodically poll adapter registers to detect pci adapter failure
(reads return -1). On failure, take port offline, set error indicators
and wake up worker threads. Threads will take adapter offline.
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 29aab94..d5d07a89 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -507,7 +507,10 @@ lpfc_config_port_post(struct lpfc_hba *phba) phba->hba_flag &= ~HBA_ERATT_HANDLED; /* Enable appropriate host interrupts */ - status = readl(phba->HCregaddr); + if (lpfc_readl(phba->HCregaddr, &status)) { + spin_unlock_irq(&phba->hbalock); + return -EIO; + } status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; if (psli->num_rings > 0) status |= HC_R0INT_ENA; @@ -1222,7 +1225,10 @@ lpfc_handle_deferred_eratt(struct lpfc_hba *phba) /* Wait for the ER1 bit to clear.*/ while (phba->work_hs & HS_FFER1) { msleep(100); - phba->work_hs = readl(phba->HSregaddr); + if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) { + phba->work_hs = UNPLUG_ERR ; + break; + } /* If driver is unloading let the worker thread continue */ if (phba->pport->load_flag & FC_UNLOADING) { phba->work_hs = 0; @@ -5386,13 +5392,16 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba) int i, port_error = 0; uint32_t if_type; + memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); + memset(®_data, 0, sizeof(reg_data)); if (!phba->sli4_hba.PSMPHRregaddr) return -ENODEV; /* Wait up to 30 seconds for the SLI Port POST done and ready */ for (i = 0; i < 3000; i++) { - portsmphr_reg.word0 = readl(phba->sli4_hba.PSMPHRregaddr); - if (bf_get(lpfc_port_smphr_perr, &portsmphr_reg)) { + if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, + &portsmphr_reg.word0) || + (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { /* Port has a fatal POST error, break out */ port_error = -ENODEV; break; @@ -5473,9 +5482,9 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba) break; case LPFC_SLI_INTF_IF_TYPE_2: /* Final checks. The port status should be clean. */ - reg_data.word0 = - readl(phba->sli4_hba.u.if_type2.STATUSregaddr); - if (bf_get(lpfc_sliport_status_err, ®_data)) { + if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, + ®_data.word0) || + bf_get(lpfc_sliport_status_err, ®_data)) { phba->work_status[0] = readl(phba->sli4_hba.u.if_type2. ERR1regaddr); @@ -6761,9 +6770,11 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) * the loop again. */ for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) { - reg_data.word0 = - readl(phba->sli4_hba.u.if_type2. - STATUSregaddr); + if (lpfc_readl(phba->sli4_hba.u.if_type2. + STATUSregaddr, ®_data.word0)) { + rc = -ENODEV; + break; + } if (bf_get(lpfc_sliport_status_rdy, ®_data)) break; if (bf_get(lpfc_sliport_status_rn, ®_data)) { @@ -6784,8 +6795,11 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) } /* Detect any port errors. */ - reg_data.word0 = readl(phba->sli4_hba.u.if_type2. - STATUSregaddr); + if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, + ®_data.word0)) { + rc = -ENODEV; + break; + } if ((bf_get(lpfc_sliport_status_err, ®_data)) || (rdy_chk >= 1000)) { phba->work_status[0] = readl( |