[SCSI] mpt2sas: Added sysfs counter for ioc reset
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>
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 68cb000..88befc7 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3402,6 +3402,7 @@
enum reset_type type)
{
u32 ioc_state;
+ int rc;
dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
__func__));
@@ -3430,11 +3431,15 @@
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;
}
/**