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[SCSI] mpt2sas: Added sysfs counter for ioc reset

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Added a new sysfs shost attribute called ioc_reset_count. This will
keep count of host resets (both diagnostic and message unit).

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Kashyap, Desai
2010-06-17 13:36:53 +05:30
committed by James Bottomley
parent b8d7d7bb37
commit d32a8c15e1
3 changed files with 32 additions and 2 deletions
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9
drivers/scsi/mpt2sas/mpt2sas_base.c
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@@ -3402,6 +3402,7 @@ _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
enum reset_type type)
{
u32 ioc_state;
int rc;
dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
__func__));
@@ -3430,11 +3431,15 @@ _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
if (!(_base_send_ioc_reset(ioc,
MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP)))
MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) {
ioc->ioc_reset_count++;
return 0;
}
issue_diag_reset:
return _base_diag_reset(ioc, CAN_SLEEP);
rc = _base_diag_reset(ioc, CAN_SLEEP);
ioc->ioc_reset_count++;
return rc;
}
/**