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[SCSI] mpt fusion : Adding FAULT Reset polling work

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When the firmware is in Fault state it will be identifed only when the next time
the driver access the IOC state.
This patch includes a polling function in the driver which will be executed in
regular interval to check the status of the firmware and if it is in Fault
state, then the firmware will be reset by the driver.

Signed-off-by: Sathya Prakash <sathya.prakash@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Prakash, Sathya
2008-05-21 01:02:18 +05:30
committed by James Bottomley
parent cc4724492d
commit d54d48b80f
2 changed files with 94 additions and 0 deletions
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8
drivers/message/fusion/mptbase.h
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@@ -176,6 +176,8 @@
/* debug print string length used for events and iocstatus */
# define EVENT_DESCR_STR_SZ 100
#define MPT_POLLING_INTERVAL 1000 /* in milliseconds */
#ifdef __KERNEL__ /* { */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -709,6 +711,12 @@ typedef struct _MPT_ADAPTER
struct workqueue_struct *fc_rescan_work_q;
struct scsi_cmnd **ScsiLookup;
spinlock_t scsi_lookup_lock;
char reset_work_q_name[KOBJ_NAME_LEN];
struct workqueue_struct *reset_work_q;
struct delayed_work fault_reset_work;
spinlock_t fault_reset_work_lock;
} MPT_ADAPTER;
/*