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authorJames Smart <james.smart@broadcom.com>2016-07-06 12:35:56 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2016-07-15 15:25:06 -0400
commit65791f1f90aade6a02877f9bb7c63f67b35f138c (patch)
treeaffa17a63c28bf9836c82d69d07025c38bc1749e /drivers/scsi/lpfc/lpfc_sli.c
parent6c92d1d0ce4efffc67ba6f4ce0c7f970c15af390 (diff)
lpfc: Add recovery from adapter parity errors on some SLI4 adapters
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>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c45
1 files changed, 41 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 70edf21ae1b9..b3a781d38fa8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -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)) {