scsi: qedf: Add driver state to 'driver_stats' debugfs node (892f63d4) · Commits · 戴 / test

drivers/scsi/qedf/qedf_debugfs.c

+52 −3

Original line number	Diff line number	Diff line
		@@ -293,6 +293,33 @@ qedf_dbg_io_trace_open(struct inode inode, struct file file)
		return single_open(file, qedf_io_trace_show, qedf);
		}

		/* Based on fip_state enum from libfcoe.h */
		static char *fip_state_names[] = {
		"FIP_ST_DISABLED",
		"FIP_ST_LINK_WAIT",
		"FIP_ST_AUTO",
		"FIP_ST_NON_FIP",
		"FIP_ST_ENABLED",
		"FIP_ST_VNMP_START",
		"FIP_ST_VNMP_PROBE1",
		"FIP_ST_VNMP_PROBE2",
		"FIP_ST_VNMP_CLAIM",
		"FIP_ST_VNMP_UP",
		};

		/* Based on fc_rport_state enum from libfc.h */
		static char *fc_rport_state_names[] = {
		"RPORT_ST_INIT",
		"RPORT_ST_FLOGI",
		"RPORT_ST_PLOGI_WAIT",
		"RPORT_ST_PLOGI",
		"RPORT_ST_PRLI",
		"RPORT_ST_RTV",
		"RPORT_ST_READY",
		"RPORT_ST_ADISC",
		"RPORT_ST_DELETE",
		};

		static int
		qedf_driver_stats_show(struct seq_file s, void unused)
		{
		@@ -300,6 +327,25 @@ qedf_driver_stats_show(struct seq_file s, void unused)
		struct qedf_rport *fcport;
		struct fc_rport_priv *rdata;

		seq_printf(s, "Host WWNN/WWPN: %016llx/%016llx\n",
		qedf->wwnn, qedf->wwpn);
		seq_printf(s, "Host NPortID: %06x\n", qedf->lport->port_id);
		seq_printf(s, "Link State: %s\n", atomic_read(&qedf->link_state) ?
		"Up" : "Down");
		seq_printf(s, "Logical Link State: %s\n", qedf->lport->link_up ?
		"Up" : "Down");
		seq_printf(s, "FIP state: %s\n", fip_state_names[qedf->ctlr.state]);
		seq_printf(s, "FIP VLAN ID: %d\n", qedf->vlan_id & 0xfff);
		seq_printf(s, "FIP 802.1Q Priority: %d\n", qedf->prio);
		if (qedf->ctlr.sel_fcf) {
		seq_printf(s, "FCF WWPN: %016llx\n",
		qedf->ctlr.sel_fcf->switch_name);
		seq_printf(s, "FCF MAC: %pM\n", qedf->ctlr.sel_fcf->fcf_mac);
		} else {
		seq_puts(s, "FCF not selected\n");
		}

		seq_puts(s, "\nSGE stats:\n\n");
		seq_printf(s, "cmg_mgr free io_reqs: %d\n",
		atomic_read(&qedf->cmd_mgr->free_list_cnt));
		seq_printf(s, "slow SGEs: %d\n", qedf->slow_sge_ios);
		@@ -312,8 +358,11 @@ qedf_driver_stats_show(struct seq_file s, void unused)
		rdata = fcport->rdata;
		if (rdata == NULL)
		continue;
		seq_printf(s, "%06x: free_sqes: %d, num_active_ios: %d\n",
		rdata->ids.port_id, atomic_read(&fcport->free_sqes),
		seq_printf(s, "%016llx/%016llx/%06x: state=%s, free_sqes=%d, num_active_ios=%d\n",
		rdata->rport->node_name, rdata->rport->port_name,
		rdata->ids.port_id,
		fc_rport_state_names[rdata->rp_state],
		atomic_read(&fcport->free_sqes),
		atomic_read(&fcport->num_active_ios));
		}
		rcu_read_unlock();

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