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[SCSI] hpsa: detect controller lockup

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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>
This commit is contained in:
Stephen M. Cameron
2011-10-26 16:22:04 -05:00
committed by James Bottomley
parent bb158eabda
commit a0c124137a
2 changed files with 185 additions and 4 deletions
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5
drivers/scsi/hpsa.h
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@@ -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