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authorJohn Soni Jose <sony.john-n@emulex.com>2012-10-20 04:45:51 +0530
committerJames Bottomley <JBottomley@Parallels.com>2012-11-27 08:59:42 +0400
commit7a15800357e382b095b5dcb8edf79c3b2c8317e4 (patch)
treed9d6ab86b14a5e16a443504cc39d1742047a0fa1 /drivers/scsi/be2iscsi/be_main.c
parente175defea7b2019613765fee63afcca354e0041d (diff)
downloadtalos-obmc-linux-7a15800357e382b095b5dcb8edf79c3b2c8317e4.tar.gz
talos-obmc-linux-7a15800357e382b095b5dcb8edf79c3b2c8317e4.zip
[SCSI] be2iscsi: Fix Unrecoverable Error Detection
Driver periodically checks adapter state,is up fine or not. Based on the value updates the internal structures of driver. Signed-off-by: John Soni Jose <sony.john-n@emulex.com> Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/be2iscsi/be_main.c')
-rw-r--r--drivers/scsi/be2iscsi/be_main.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 73a29b2c18ba..48d37dded8f1 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4717,6 +4717,8 @@ static void beiscsi_quiesce(struct beiscsi_hba *phba)
phba->ctrl.mbox_mem_alloced.size,
phba->ctrl.mbox_mem_alloced.va,
phba->ctrl.mbox_mem_alloced.dma);
+
+ cancel_delayed_work_sync(&phba->beiscsi_hw_check_task);
}
static void beiscsi_remove(struct pci_dev *pcidev)
@@ -4769,6 +4771,25 @@ static void beiscsi_msix_enable(struct beiscsi_hba *phba)
return;
}
+/*
+ * beiscsi_hw_health_check()- Check adapter health
+ * @work: work item to check HW health
+ *
+ * Check if adapter in an unrecoverable state or not.
+ **/
+static void
+beiscsi_hw_health_check(struct work_struct *work)
+{
+ struct beiscsi_hba *phba =
+ container_of(work, struct beiscsi_hba,
+ beiscsi_hw_check_task.work);
+
+ beiscsi_ue_detect(phba);
+
+ schedule_delayed_work(&phba->beiscsi_hw_check_task,
+ msecs_to_jiffies(1000));
+}
+
static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
const struct pci_device_id *id)
{
@@ -4892,6 +4913,8 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
goto free_twq;
}
+ INIT_DELAYED_WORK(&phba->beiscsi_hw_check_task,
+ beiscsi_hw_health_check);
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
@@ -4941,6 +4964,9 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
"iSCSI boot info.\n");
beiscsi_create_def_ifaces(phba);
+ schedule_delayed_work(&phba->beiscsi_hw_check_task,
+ msecs_to_jiffies(1000));
+
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"\n\n\n BM_%d : SUCCESS - DRIVER LOADED\n\n\n");
return 0;
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