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scsi: qedf: Add driver state to 'driver_stats' debugfs node 

Add debugfs node for driver stats.

[mkp: typo]

Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chad Dupuis 2019-04-21 22:44:51 -07:00 committed by Martin K. Petersen
parent 078d719957
commit 892f63d427
1 changed files with 52 additions and 3 deletions
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55
drivers/scsi/qedf/qedf_debugfs.c
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@ -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);
@ -312,9 +358,12 @@ 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),
atomic_read(&fcport->num_active_ios));
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();