From dce8d8d8108e523d056cb03af415c3191c784dca Mon Sep 17 00:00:00 2001 From: Anil Gurumurthy Date: Wed, 15 Mar 2017 09:48:50 -0700 Subject: [PATCH] qla2xxx: Export DIF stats via debugfs Signed-off-by: Anil Gurumurthy Signed-off-by: Himanshu Madhani Signed-off-by: Nicholas Bellinger --- drivers/scsi/qla2xxx/qla_def.h | 12 ++++++++++++ drivers/scsi/qla2xxx/qla_dfs.c | 15 +++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 9d1d3dcf1c878..8228dfac6a315 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -3108,6 +3108,16 @@ struct qla_chip_state_84xx { uint32_t gold_fw_version; }; +struct qla_dif_statistics { + uint64_t dif_input_bytes; + uint64_t dif_output_bytes; + uint64_t dif_input_requests; + uint64_t dif_output_requests; + uint32_t dif_guard_err; + uint32_t dif_ref_tag_err; + uint32_t dif_app_tag_err; +}; + struct qla_statistics { uint32_t total_isp_aborts; uint64_t input_bytes; @@ -3120,6 +3130,8 @@ struct qla_statistics { uint32_t stat_max_pend_cmds; uint32_t stat_max_qfull_cmds_alloc; uint32_t stat_max_qfull_cmds_dropped; + + struct qla_dif_statistics qla_dif_stats; }; struct bidi_statistics { diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index b48cce696bac7..3b35905619b04 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -114,6 +114,21 @@ qla_dfs_tgt_counters_show(struct seq_file *s, void *unused) seq_printf(s, "num Q full sent = %lld\n", vha->tgt_counters.num_q_full_sent); + /* DIF stats */ + seq_printf(s, "DIF Inp Bytes = %lld\n", + vha->qla_stats.qla_dif_stats.dif_input_bytes); + seq_printf(s, "DIF Outp Bytes = %lld\n", + vha->qla_stats.qla_dif_stats.dif_output_bytes); + seq_printf(s, "DIF Inp Req = %lld\n", + vha->qla_stats.qla_dif_stats.dif_input_requests); + seq_printf(s, "DIF Outp Req = %lld\n", + vha->qla_stats.qla_dif_stats.dif_output_requests); + seq_printf(s, "DIF Guard err = %d\n", + vha->qla_stats.qla_dif_stats.dif_guard_err); + seq_printf(s, "DIF Ref tag err = %d\n", + vha->qla_stats.qla_dif_stats.dif_ref_tag_err); + seq_printf(s, "DIF App tag err = %d\n", + vha->qla_stats.qla_dif_stats.dif_app_tag_err); return 0; } -- 2.39.5