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qla2xxx: Export DIF stats via debugfs 

Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Anil Gurumurthy 2017-03-15 09:48:50 -07:00 committed by Nicholas Bellinger
parent be25152c0d
commit 54b9993c8c
2 changed files with 27 additions and 0 deletions
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12
drivers/scsi/qla2xxx/qla_def.h
View File

@ -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 {

15
drivers/scsi/qla2xxx/qla_dfs.c
View File

@ -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;
}