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authorChad Dupuis <cdupuis@marvell.com>2019-04-21 22:44:51 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2019-04-29 08:34:09 -0400
commit892f63d427ca55cbf7070b11cee790ff0325df18 (patch)
tree9f976864991640901e23a3baef9aa3f828f6d926 /drivers/scsi/qedf
parent078d71995703c8d0f55bba181a7497fd684704a4 (diff)
downloadlinux-892f63d427ca55cbf7070b11cee790ff0325df18.tar.bz2
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>
Diffstat (limited to 'drivers/scsi/qedf')
-rw-r--r--drivers/scsi/qedf/qedf_debugfs.c55
1 files changed, 52 insertions, 3 deletions
diff --git a/drivers/scsi/qedf/qedf_debugfs.c b/drivers/scsi/qedf/qedf_debugfs.c
index 6ae78ddc8a65..235389209689 100644
--- a/drivers/scsi/qedf/qedf_debugfs.c
+++ b/drivers/scsi/qedf/qedf_debugfs.c
@@ -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();