Commit 307862e6 authored by Saurav Kashyap's avatar Saurav Kashyap Committed by Martin K. Petersen
Browse files

scsi: qla2xxx: Add error counters to debugfs node 

Display error counters via debugfs node.

Link: https://lore.kernel.org/r/20210111093134.1206-3-njavali@marvell.com


Reviewed-by: default avatarHimanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: default avatarSaurav Kashyap <skashyap@marvell.com>
Signed-off-by: default avatarNilesh Javali <njavali@marvell.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent dbf1f53c

drivers/scsi/qla2xxx/qla_dfs.c

+28 −0
Original line number Diff line number Diff line
@@ -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;

}