Just a simple counter of number of check conditions encountered on
that host.
Signed-off-by: Satish Kharat <satishkh@xxxxxxxxx>
Signed-off-by: Sesidhar Baddela <sebaddel@xxxxxxxxx>
---
drivers/scsi/fnic/fnic_scsi.c | 3 +++
drivers/scsi/fnic/fnic_stats.h | 1 +
drivers/scsi/fnic/fnic_trace.c | 2 ++
3 files changed, 6 insertions(+)
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 2544a37..d3b32da 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -919,6 +919,9 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
xfer_len -= icmnd_cmpl->residual;
+ if (icmnd_cmpl->scsi_status == SAM_STAT_CHECK_CONDITION)
+ atomic64_inc(&fnic_stats->misc_stats.check_condition);
+
if (icmnd_cmpl->scsi_status == SAM_STAT_TASK_SET_FULL)
atomic64_inc(&fnic_stats->misc_stats.queue_fulls);
break;
diff --git a/drivers/scsi/fnic/fnic_stats.h b/drivers/scsi/fnic/fnic_stats.h
index 540cceb8..69acdac 100644
--- a/drivers/scsi/fnic/fnic_stats.h
+++ b/drivers/scsi/fnic/fnic_stats.h
@@ -88,6 +88,7 @@ struct misc_stats {
atomic64_t devrst_cpwq_alloc_failures;
atomic64_t io_cpwq_alloc_failures;
atomic64_t no_icmnd_itmf_cmpls;
+ atomic64_t check_condition;
atomic64_t queue_fulls;
atomic64_t rport_not_ready;
atomic64_t frame_errors;
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c
index 5a5fa01..ec20b3e 100644
--- a/drivers/scsi/fnic/fnic_trace.c
+++ b/drivers/scsi/fnic/fnic_trace.c
@@ -357,6 +357,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
"Number of Copy WQ Alloc Failures for Device Reset: %lld\n"
"Number of Copy WQ Alloc Failures for IOs: %lld\n"
"Number of no icmnd itmf Completions: %lld\n"
+ "Number of Check Conditions encountered: %lld\n"
"Number of QUEUE Fulls: %lld\n"
"Number of rport not ready: %lld\n"
"Number of receive frame errors: %lld\n",
@@ -377,6 +378,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
&stats->misc_stats.devrst_cpwq_alloc_failures),
(u64)atomic64_read(&stats->misc_stats.io_cpwq_alloc_failures),
(u64)atomic64_read(&stats->misc_stats.no_icmnd_itmf_cmpls),
+ (u64)atomic64_read(&stats->misc_stats.check_condition),
(u64)atomic64_read(&stats->misc_stats.queue_fulls),
(u64)atomic64_read(&stats->misc_stats.rport_not_ready),
(u64)atomic64_read(&stats->misc_stats.frame_errors));
--
2.5.5
