From: Saurav Kashyap <skashyap@xxxxxxxxxxx>
Display error counters via debugfs node.
Signed-off-by: Saurav Kashyap <skashyap@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_dfs.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c
index d5ebcf7d70ff..ccce0eab844e 100644
--- a/drivers/scsi/qla2xxx/qla_dfs.c
+++ b/drivers/scsi/qla2xxx/qla_dfs.c
@@ -286,6 +286,10 @@ qla_dfs_tgt_counters_show(struct seq_file *s, void *unused)
core_qla_snd_status, qla_core_ret_sta_ctio, core_qla_free_cmd,
num_q_full_sent, num_alloc_iocb_failed, num_term_xchg_sent;
u16 i;
+ fc_port_t *fcport = NULL;
+
+ if (qla2x00_chip_is_down(vha))
+ return 0;
qla_core_sbt_cmd = qpair->tgt_counters.qla_core_sbt_cmd;
core_qla_que_buf = qpair->tgt_counters.core_qla_que_buf;
@@ -349,6 +353,30 @@ qla_dfs_tgt_counters_show(struct seq_file *s, void *unused)
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);
+
+ seq_puts(s, "\n");
+ seq_puts(s, "Initiator Error Counters\n");
+ seq_printf(s, "HW Error Count = %14lld\n",
+ vha->hw_err_cnt);
+ seq_printf(s, "Link Down Count = %14lld\n",
+ vha->short_link_down_cnt);
+ seq_printf(s, "Interface Err Count = %14lld\n",
+ vha->interface_err_cnt);
+ seq_printf(s, "Cmd Timeout Count = %14lld\n",
+ vha->cmd_timeout_cnt);
+ seq_printf(s, "Reset Count = %14lld\n",
+ vha->reset_cmd_err_cnt);
+ seq_puts(s, "\n");
+
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (!fcport || !fcport->rport)
+ continue;
+
+ seq_printf(s, "Target Num = %7d Link Down Count = %14lld\n",
+ fcport->rport->number, fcport->tgt_short_link_down_cnt);
+ }
+ seq_puts(s, "\n");
+
return 0;
}
--
2.19.0.rc0
