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lpfc: Add recovery from adapter parity errors on some SLI4 adapters

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Add recovery from adapter parity errors on some SLI4 adapters

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2016-07-06 12:35:56 -07:00
committed by Martin K. Petersen
parent 6c92d1d0ce
commit 65791f1f90
5 changed files with 155 additions and 35 deletions
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45
drivers/scsi/lpfc/lpfc_sli.c
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@@ -2947,8 +2947,8 @@ void lpfc_poll_eratt(unsigned long ptr)
else
cnt = (sli_intr - phba->sli.slistat.sli_prev_intr);
/* 64-bit integer division not supporte on 32-bit x86 - use do_div */
do_div(cnt, LPFC_ERATT_POLL_INTERVAL);
/* 64-bit integer division not supported on 32-bit x86 - use do_div */
do_div(cnt, phba->eratt_poll_interval);
phba->sli.slistat.sli_ips = cnt;
phba->sli.slistat.sli_prev_intr = sli_intr;
@@ -2963,7 +2963,7 @@ void lpfc_poll_eratt(unsigned long ptr)
/* Restart the timer for next eratt poll */
mod_timer(&phba->eratt_poll,
jiffies +
msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
msecs_to_jiffies(1000 * phba->eratt_poll_interval));
return;
}
@@ -5690,6 +5690,40 @@ lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type)
return rc;
}
void
lpfc_set_features(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *mbox = NULL;
uint32_t len;
int rc;
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
return;
len = sizeof(struct lpfc_mbx_set_feature) -
sizeof(struct lpfc_sli4_cfg_mhdr);
lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
LPFC_MBOX_OPCODE_SET_FEATURES, len,
LPFC_SLI4_MBX_EMBED);
bf_set(lpfc_mbx_set_feature_UER,
&mbox->u.mqe.un.set_feature, 1);
mbox->u.mqe.un.set_feature.feature = LPFC_SET_UE_RECOVERY;
mbox->u.mqe.un.set_feature.param_len = 8;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
if (rc != MBX_SUCCESS) {
mempool_free(mbox, phba->mbox_mem_pool);
return;
}
phba->hba_flag |= HBA_RECOVERABLE_UE;
phba->eratt_poll_interval = 1; /* Set 1Sec interval to detect UE */
phba->sli4_hba.ue_to_sr = bf_get(lpfc_mbx_set_feature_UESR,
&mbox->u.mqe.un.set_feature);
phba->sli4_hba.ue_to_rp = bf_get(lpfc_mbx_set_feature_UERP,
&mbox->u.mqe.un.set_feature);
mempool_free(mbox, phba->mbox_mem_pool);
}
/**
* lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents.
* @phba: Pointer to HBA context object.
@@ -6414,6 +6448,9 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
phba->pport->cfg_lun_queue_depth = rc;
}
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
LPFC_SLI_INTF_IF_TYPE_0)
lpfc_set_features(phba);
/*
* Discover the port's supported feature set and match it against the
@@ -6612,7 +6649,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
/* Start error attention (ERATT) polling timer */
mod_timer(&phba->eratt_poll,
jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval));
/* Enable PCIe device Advanced Error Reporting (AER) if configured */
if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) {