[SCSI] hpsa: detect controller lockup

When controller lockup condition is detected,
we should fail all outstanding commands and disable
the controller.  This will enable multipath solutions
to recover gracefully.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 73858bc22e57..91edafb8c7e6 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -121,6 +121,11 @@ struct ctlr_info {
         unsigned char reply_pool_wraparound;
         u32 *blockFetchTable;
         unsigned char *hba_inquiry_data;
+        u64 last_intr_timestamp;
+        u32 last_heartbeat;
+        u64 last_heartbeat_timestamp;
+        u32 lockup_detected;
+        struct list_head lockup_list;
 };
 #define HPSA_ABORT_MSG 0
 #define HPSA_DEVICE_RESET_MSG 1