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authorSatish Kharat <satishkh@cisco.com>2017-02-28 16:15:44 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2017-03-23 09:57:23 -0400
commit39fcbbc01b89550ca527ea8d640e3af7bfde41d7 (patch)
tree1b3413f6e19727c6de1db261603b7fc06adae8b3 /drivers/scsi/fnic
parentb9202b4ae8171e9eaa21504d5a8c1c2e9d6ecd90 (diff)
scsi: fnic: Adding Check Condition counter to misc fnicstats
Just a simple counter of number of check conditions encountered on that host. Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fnic')
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c3
-rw-r--r--drivers/scsi/fnic/fnic_stats.h1
-rw-r--r--drivers/scsi/fnic/fnic_trace.c2
3 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index ce5de2aa39c7..190c0663aaf4 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -915,6 +915,9 @@ 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 540cceb843cd..69acdac7fe53 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 5a5fa01576b7..ec20b3e57844 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));