From 39fcbbc01b89550ca527ea8d640e3af7bfde41d7 Mon Sep 17 00:00:00 2001 From: Satish Kharat Date: Tue, 28 Feb 2017 16:15:44 -0800 Subject: [PATCH] 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 Signed-off-by: Sesidhar Baddela Signed-off-by: Martin K. Petersen --- 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 ce5de2a..190c066 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 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)); -- 2.7.4