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path: root/drivers/s390/scsi
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-rw-r--r--drivers/s390/scsi/zfcp_erp.c22
-rw-r--r--drivers/s390/scsi/zfcp_ext.h1
-rw-r--r--drivers/s390/scsi/zfcp_fc.c11
3 files changed, 22 insertions, 12 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 73d366ba31e5..f73e2180f333 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -858,10 +858,7 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
858 if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP) 858 if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)
859 return zfcp_erp_open_ptp_port(act); 859 return zfcp_erp_open_ptp_port(act);
860 if (!port->d_id) { 860 if (!port->d_id) {
861 zfcp_port_get(port); 861 zfcp_fc_trigger_did_lookup(port);
862 if (!queue_work(adapter->work_queue,
863 &port->gid_pn_work))
864 zfcp_port_put(port);
865 return ZFCP_ERP_EXIT; 862 return ZFCP_ERP_EXIT;
866 } 863 }
867 return zfcp_erp_port_strategy_open_port(act); 864 return zfcp_erp_port_strategy_open_port(act);
@@ -869,12 +866,11 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
869 case ZFCP_ERP_STEP_PORT_OPENING: 866 case ZFCP_ERP_STEP_PORT_OPENING:
870 /* D_ID might have changed during open */ 867 /* D_ID might have changed during open */
871 if (p_status & ZFCP_STATUS_COMMON_OPEN) { 868 if (p_status & ZFCP_STATUS_COMMON_OPEN) {
872 if (port->d_id) 869 if (!port->d_id) {
873 return ZFCP_ERP_SUCCEEDED; 870 zfcp_fc_trigger_did_lookup(port);
874 else { 871 return ZFCP_ERP_EXIT;
875 act->step = ZFCP_ERP_STEP_PORT_CLOSING;
876 return ZFCP_ERP_CONTINUES;
877 } 872 }
873 return ZFCP_ERP_SUCCEEDED;
878 } 874 }
879 if (port->d_id && !(p_status & ZFCP_STATUS_COMMON_NOESC)) { 875 if (port->d_id && !(p_status & ZFCP_STATUS_COMMON_NOESC)) {
880 port->d_id = 0; 876 port->d_id = 0;
@@ -889,19 +885,21 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
889static int zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action) 885static int zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
890{ 886{
891 struct zfcp_port *port = erp_action->port; 887 struct zfcp_port *port = erp_action->port;
888 int p_status = atomic_read(&port->status);
892 889
893 if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC) 890 if ((p_status & ZFCP_STATUS_COMMON_NOESC) &&
891 !(p_status & ZFCP_STATUS_COMMON_OPEN))
894 goto close_init_done; 892 goto close_init_done;
895 893
896 switch (erp_action->step) { 894 switch (erp_action->step) {
897 case ZFCP_ERP_STEP_UNINITIALIZED: 895 case ZFCP_ERP_STEP_UNINITIALIZED:
898 zfcp_erp_port_strategy_clearstati(port); 896 zfcp_erp_port_strategy_clearstati(port);
899 if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN) 897 if (p_status & ZFCP_STATUS_COMMON_OPEN)
900 return zfcp_erp_port_strategy_close(erp_action); 898 return zfcp_erp_port_strategy_close(erp_action);
901 break; 899 break;
902 900
903 case ZFCP_ERP_STEP_PORT_CLOSING: 901 case ZFCP_ERP_STEP_PORT_CLOSING:
904 if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN) 902 if (p_status & ZFCP_STATUS_COMMON_OPEN)
905 return ZFCP_ERP_FAILED; 903 return ZFCP_ERP_FAILED;
906 break; 904 break;
907 } 905 }
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 629edec70405..b3f28deb4505 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -96,6 +96,7 @@ extern int zfcp_fc_scan_ports(struct zfcp_adapter *);
96extern void _zfcp_fc_scan_ports_later(struct work_struct *); 96extern void _zfcp_fc_scan_ports_later(struct work_struct *);
97extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 97extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
98extern void zfcp_fc_port_did_lookup(struct work_struct *); 98extern void zfcp_fc_port_did_lookup(struct work_struct *);
99extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
99extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); 100extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
100extern void zfcp_fc_test_link(struct zfcp_port *); 101extern void zfcp_fc_test_link(struct zfcp_port *);
101extern void zfcp_fc_link_test_work(struct work_struct *); 102extern void zfcp_fc_link_test_work(struct work_struct *);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 722f22de8753..df23bcead23d 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -361,6 +361,17 @@ out:
361} 361}
362 362
363/** 363/**
364 * zfcp_fc_trigger_did_lookup - trigger the d_id lookup using a GID_PN request
365 * @port: The zfcp_port to lookup the d_id for.
366 */
367void zfcp_fc_trigger_did_lookup(struct zfcp_port *port)
368{
369 zfcp_port_get(port);
370 if (!queue_work(port->adapter->work_queue, &port->gid_pn_work))
371 zfcp_port_put(port);
372}
373
374/**
364 * zfcp_fc_plogi_evaluate - evaluate PLOGI playload 375 * zfcp_fc_plogi_evaluate - evaluate PLOGI playload
365 * @port: zfcp_port structure 376 * @port: zfcp_port structure
366 * @plogi: plogi payload 377 * @plogi: plogi payload