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-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c166
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c35
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c35
4 files changed, 195 insertions, 47 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 59ecc4eda6cd..7d715e58901f 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -3171,43 +3171,136 @@ void qla24xx_async_gpnid_done(scsi_qla_host_t *vha, srb_t *sp)
void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
- fc_port_t *fcport;
- unsigned long flags;
+ fc_port_t *fcport, *conflict, *t;
- spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
- fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
- spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d port_id: %06x\n",
+ __func__, __LINE__, ea->id.b24);
- if (fcport) {
- /* cable moved. just plugged in */
- fcport->rscn_gen++;
- fcport->d_id = ea->id;
- fcport->scan_state = QLA_FCPORT_FOUND;
- fcport->flags |= FCF_FABRIC_DEVICE;
-
- switch (fcport->disc_state) {
- case DSC_DELETED:
- ql_dbg(ql_dbg_disc, vha, 0x210d,
- "%s %d %8phC login\n", __func__, __LINE__,
- fcport->port_name);
- qla24xx_fcport_handle_login(vha, fcport);
- break;
- case DSC_DELETE_PEND:
- break;
- default:
- ql_dbg(ql_dbg_disc, vha, 0x2064,
- "%s %d %8phC post del sess\n",
- __func__, __LINE__, fcport->port_name);
- qlt_schedule_sess_for_deletion_lock(fcport);
- break;
+ if (ea->rc) {
+ /* cable is disconnected */
+ list_for_each_entry_safe(fcport, t, &vha->vp_fcports, list) {
+ if (fcport->d_id.b24 == ea->id.b24) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC DS %d\n",
+ __func__, __LINE__,
+ fcport->port_name,
+ fcport->disc_state);
+ fcport->scan_state = QLA_FCPORT_SCAN;
+ switch (fcport->disc_state) {
+ case DSC_DELETED:
+ case DSC_DELETE_PEND:
+ break;
+ default:
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post del sess\n",
+ __func__, __LINE__,
+ fcport->port_name);
+ qlt_schedule_sess_for_deletion_lock
+ (fcport);
+ break;
+ }
+ }
}
} else {
- /* create new fcport */
- ql_dbg(ql_dbg_disc, vha, 0x2065,
- "%s %d %8phC post new sess\n",
- __func__, __LINE__, ea->port_name);
+ /* cable is connected */
+ fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
+ if (fcport) {
+ list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
+ list) {
+ if ((conflict->d_id.b24 == ea->id.b24) &&
+ (fcport != conflict)) {
+ /* 2 fcports with conflict Nport ID or
+ * an existing fcport is having nport ID
+ * conflict with new fcport.
+ */
+
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC DS %d\n",
+ __func__, __LINE__,
+ conflict->port_name,
+ conflict->disc_state);
+ conflict->scan_state = QLA_FCPORT_SCAN;
+ switch (conflict->disc_state) {
+ case DSC_DELETED:
+ case DSC_DELETE_PEND:
+ break;
+ default:
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post del sess\n",
+ __func__, __LINE__,
+ conflict->port_name);
+ qlt_schedule_sess_for_deletion_lock
+ (conflict);
+ break;
+ }
+ }
+ }
- qla24xx_post_newsess_work(vha, &ea->id, ea->port_name, NULL);
+ fcport->rscn_gen++;
+ fcport->scan_state = QLA_FCPORT_FOUND;
+ fcport->flags |= FCF_FABRIC_DEVICE;
+ switch (fcport->disc_state) {
+ case DSC_LOGIN_COMPLETE:
+ /* recheck session is still intact. */
+ ql_dbg(ql_dbg_disc, vha, 0x210d,
+ "%s %d %8phC revalidate session with ADISC\n",
+ __func__, __LINE__, fcport->port_name);
+ qla24xx_post_gpdb_work(vha, fcport,
+ PDO_FORCE_ADISC);
+ break;
+ case DSC_DELETED:
+ ql_dbg(ql_dbg_disc, vha, 0x210d,
+ "%s %d %8phC login\n", __func__, __LINE__,
+ fcport->port_name);
+ fcport->d_id = ea->id;
+ qla24xx_fcport_handle_login(vha, fcport);
+ break;
+ case DSC_DELETE_PEND:
+ fcport->d_id = ea->id;
+ break;
+ default:
+ fcport->d_id = ea->id;
+ break;
+ }
+ } else {
+ list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
+ list) {
+ if (conflict->d_id.b24 == ea->id.b24) {
+ /* 2 fcports with conflict Nport ID or
+ * an existing fcport is having nport ID
+ * conflict with new fcport.
+ */
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC DS %d\n",
+ __func__, __LINE__,
+ conflict->port_name,
+ conflict->disc_state);
+
+ conflict->scan_state = QLA_FCPORT_SCAN;
+ switch (conflict->disc_state) {
+ case DSC_DELETED:
+ case DSC_DELETE_PEND:
+ break;
+ default:
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %d %8phC post del sess\n",
+ __func__, __LINE__,
+ conflict->port_name);
+ qlt_schedule_sess_for_deletion_lock
+ (conflict);
+ break;
+ }
+ }
+ }
+
+ /* create new fcport */
+ ql_dbg(ql_dbg_disc, vha, 0x2065,
+ "%s %d %8phC post new sess\n",
+ __func__, __LINE__, ea->port_name);
+ qla24xx_post_newsess_work(vha, &ea->id,
+ ea->port_name, NULL);
+ }
}
}
@@ -3248,12 +3341,13 @@ static void qla2x00_async_gpnid_sp_done(void *s, int res)
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
if (res) {
- if (res == QLA_FUNCTION_TIMEOUT)
+ if (res == QLA_FUNCTION_TIMEOUT) {
qla24xx_post_gpnid_work(sp->vha, &ea.id);
- sp->free(sp);
- return;
+ sp->free(sp);
+ return;
+ }
} else if (sp->gen1) {
- /* There was anoter RSNC for this Nport ID */
+ /* There was another RSCN for this Nport ID */
qla24xx_post_gpnid_work(sp->vha, &ea.id);
sp->free(sp);
return;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2f246996d3e2..7dd19785f820 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -925,6 +925,9 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
* must have triggered the session to be re-validate.
* session is still valid.
*/
+ ql_dbg(ql_dbg_disc, vha, 0x20d6,
+ "%s %d %8phC session revalidate success\n",
+ __func__, __LINE__, fcport->port_name);
fcport->disc_state = DSC_LOGIN_COMPLETE;
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
@@ -1049,9 +1052,8 @@ void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
switch (fcport->disc_state) {
case DSC_DELETED:
case DSC_LOGIN_COMPLETE:
- qla24xx_post_gidpn_work(fcport->vha, fcport);
+ qla24xx_post_gpnid_work(fcport->vha, &ea->id);
break;
-
default:
break;
}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index e71d99ba57f9..820d1c185beb 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4760,10 +4760,39 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
if (fcport) {
- if (pla)
+ if (pla) {
qlt_plogi_ack_unref(vha, pla);
- else
- qla24xx_async_gffid(vha, fcport);
+ } else {
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ tfcp = qla2x00_find_fcport_by_nportid(vha,
+ &e->u.new_sess.id, 1);
+ if (tfcp && (tfcp != fcport)) {
+ /*
+ * We have a conflict fcport with same NportID.
+ */
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %8phC found conflict b4 add. DS %d LS %d\n",
+ __func__, tfcp->port_name, tfcp->disc_state,
+ tfcp->fw_login_state);
+
+ switch (tfcp->disc_state) {
+ case DSC_DELETED:
+ break;
+ case DSC_DELETE_PEND:
+ fcport->login_pause = 1;
+ tfcp->conflict = fcport;
+ break;
+ default:
+ fcport->login_pause = 1;
+ tfcp->conflict = fcport;
+ qlt_schedule_sess_for_deletion_lock
+ (tfcp);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ qla24xx_async_gnl(vha, fcport);
+ }
}
if (free_fcport) {
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 1bec8aebb7b6..283ff316e4b2 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -890,6 +890,17 @@ qlt_plogi_ack_link(struct scsi_qla_host *vha, struct qlt_plogi_ack_t *pla,
iocb->u.isp24.port_id[1], iocb->u.isp24.port_id[0],
pla->ref_count, pla, link);
+ if (link == QLT_PLOGI_LINK_CONFLICT) {
+ switch (sess->disc_state) {
+ case DSC_DELETED:
+ case DSC_DELETE_PEND:
+ pla->ref_count--;
+ return;
+ default:
+ break;
+ }
+ }
+
if (sess->plogi_link[link])
qlt_plogi_ack_unref(vha, sess->plogi_link[link]);
@@ -4737,6 +4748,10 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
sess->d_id = port_id;
sess->login_gen++;
+ ql_dbg(ql_dbg_disc, vha, 0x20f9,
+ "%s %d %8phC DS %d\n",
+ __func__, __LINE__, sess->port_name, sess->disc_state);
+
switch (sess->disc_state) {
case DSC_DELETED:
qlt_plogi_ack_unref(vha, pla);
@@ -4786,12 +4801,20 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
}
if (conflict_sess) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf09b,
- "PRLI with conflicting sess %p port %8phC\n",
- conflict_sess, conflict_sess->port_name);
- qlt_send_term_imm_notif(vha, iocb, 1);
- res = 0;
- break;
+ switch (conflict_sess->disc_state) {
+ case DSC_DELETED:
+ case DSC_DELETE_PEND:
+ break;
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf09b,
+ "PRLI with conflicting sess %p port %8phC\n",
+ conflict_sess, conflict_sess->port_name);
+ conflict_sess->fw_login_state =
+ DSC_LS_PORT_UNAVAIL;
+ qlt_send_term_imm_notif(vha, iocb, 1);
+ res = 0;
+ break;
+ }
}
if (sess != NULL) {