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scsi: qla2xxx: Add error counters to debugfs node

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Display error counters via debugfs node.

Link: https://lore.kernel.org/r/20210111093134.1206-3-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Saurav Kashyap 2021-01-11 01:31:29 -08:00 committed by Martin K. Petersen
parent dbf1f53cfd
commit 307862e669
1 changed files with 28 additions and 0 deletions
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28
drivers/scsi/qla2xxx/qla_dfs.c
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@ -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;
}