---

yaml
---
r: 101546
b: refs/heads/master
c: cc8c282
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 85a82392fe6fe7620d8fe0eb694f926cefe62e1f
+refs/heads/master: cc8c282963bd258a5bf49d3aa52675a4ae6d31f6

trunk/drivers/s390/scsi/zfcp_aux.c

@@ -568,6 +568,19 @@ static void _zfcp_status_read_scheduler(struct work_struct *work)
 					     stat_work));
 }
 
+static int zfcp_nameserver_enqueue(struct zfcp_adapter *adapter)
+{
+	struct zfcp_port *port;
+
+	port = zfcp_port_enqueue(adapter, 0, ZFCP_STATUS_PORT_WKA,
+				 ZFCP_DID_DIRECTORY_SERVICE);
+	if (!port)
+		return -ENXIO;
+	zfcp_port_put(port);
+
+	return 0;
+}
+
 /*
  * Enqueues an adapter at the end of the adapter list in the driver data.
  * All adapter internal structures are set up.
@@ -648,6 +661,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
 	/* initialize lock of associated request queue */
 	rwlock_init(&adapter->req_q.lock);
 	INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler);
+	INIT_WORK(&adapter->scan_work, _zfcp_scan_ports_later);
 
 	/* mark adapter unusable as long as sysfs registration is not complete */
 	atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
@@ -673,6 +687,8 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
 
 	zfcp_data.adapters++;
 
+	zfcp_nameserver_enqueue(adapter);
+
 	goto out;
 
  generic_services_failed:
@@ -704,6 +720,7 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
 	int retval = 0;
 	unsigned long flags;
 
+	cancel_work_sync(&adapter->scan_work);
 	cancel_work_sync(&adapter->stat_work);
 	zfcp_adapter_scsi_unregister(adapter);
 	device_unregister(&adapter->generic_services);
@@ -816,13 +833,15 @@ zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, u32 status,
 			kfree(port);
 			return NULL;
 		}
-		port->d_id = d_id;
 		port->sysfs_device.parent = &adapter->generic_services;
 	} else {
 		snprintf(port->sysfs_device.bus_id,
 			 BUS_ID_SIZE, "0x%016llx", wwpn);
 		port->sysfs_device.parent = &adapter->ccw_device->dev;
 	}
+
+	port->d_id = d_id;
+
 	port->sysfs_device.release = zfcp_sysfs_port_release;
 	dev_set_drvdata(&port->sysfs_device, port);
 
@@ -873,21 +892,6 @@ zfcp_port_dequeue(struct zfcp_port *port)
 	device_unregister(&port->sysfs_device);
 }
 
-/* Enqueues a nameserver port */
-int
-zfcp_nameserver_enqueue(struct zfcp_adapter *adapter)
-{
-	struct zfcp_port *port;
-
-	port = zfcp_port_enqueue(adapter, 0, ZFCP_STATUS_PORT_WKA,
-				 ZFCP_DID_DIRECTORY_SERVICE);
-	if (!port)
-		return -ENXIO;
-	zfcp_port_put(port);
-
-	return 0;
-}
-
 void zfcp_sg_free_table(struct scatterlist *sg, int count)
 {
 	int i;

trunk/drivers/s390/scsi/zfcp_dbf.c

@@ -596,6 +596,10 @@ static const char *zfcp_rec_dbf_ids[] = {
 	[145]	= "recovery action being processed",
 	[146]	= "recovery action ready for next step",
 	[147]	= "qdio error inbound",
+	[148]   = "nameserver needed for port scan",
+	[149]   = "port scan",
+	[150]	= "ptp attach",
+	[151]   = "port validation failed",
 };
 
 static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,

trunk/drivers/s390/scsi/zfcp_def.h

@@ -282,7 +282,10 @@ struct zfcp_rc_entry {
 #define ZFCP_CT_DIRECTORY_SERVICE	0xFC
 #define ZFCP_CT_NAME_SERVER		0x02
 #define ZFCP_CT_SYNCHRONOUS		0x00
+#define ZFCP_CT_SCSI_FCP		0x08
+#define ZFCP_CT_UNABLE_TO_PERFORM_CMD	0x09
 #define ZFCP_CT_GID_PN			0x0121
+#define ZFCP_CT_GPN_FT			0x0172
 #define ZFCP_CT_MAX_SIZE		0x1020
 #define ZFCP_CT_ACCEPT			0x8002
 #define ZFCP_CT_REJECT			0x8001
@@ -311,6 +314,7 @@ struct zfcp_rc_entry {
 #define ZFCP_STATUS_COMMON_ERP_INUSE		0x01000000
 #define ZFCP_STATUS_COMMON_ACCESS_DENIED	0x00800000
 #define ZFCP_STATUS_COMMON_ACCESS_BOXED		0x00400000
+#define ZFCP_STATUS_COMMON_NOESC		0x00200000
 
 /* adapter status */
 #define ZFCP_STATUS_ADAPTER_QDIOUP		0x00000002
@@ -629,6 +633,7 @@ struct zfcp_adapter {
 	struct fc_host_statistics *fc_stats;
 	struct fsf_qtcb_bottom_port *stats_reset_data;
 	unsigned long		stats_reset;
+	struct work_struct	scan_work;
 };
 
 /*

trunk/drivers/s390/scsi/zfcp_erp.c

@@ -1199,6 +1199,10 @@ zfcp_erp_strategy_check_port(struct zfcp_port *port, int result)
 		zfcp_erp_port_unblock(port);
 		break;
 	case ZFCP_ERP_FAILED :
+		if (atomic_test_mask(ZFCP_STATUS_COMMON_NOESC, &port->status)) {
+			zfcp_erp_port_block(port, 0);
+			result = ZFCP_ERP_EXIT;
+		}
 		atomic_inc(&port->erp_counter);
 		if (atomic_read(&port->erp_counter) > ZFCP_MAX_ERPS)
 			zfcp_erp_port_failed(port, 22, NULL);
@@ -1607,6 +1611,7 @@ zfcp_erp_adapter_strategy_generic(struct zfcp_erp_action *erp_action, int close)
 		goto failed_openfcp;
 
 	atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &erp_action->adapter->status);
+	schedule_work(&erp_action->adapter->scan_work);
 	goto out;
 
  close_only:
@@ -1665,10 +1670,19 @@ zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *erp_action)
 	return zfcp_erp_adapter_strategy_open_fsf_statusread(erp_action);
 }
 
+static void zfcp_erp_open_ptp_port(struct zfcp_adapter *adapter)
+{
+	struct zfcp_port *port;
+	port = zfcp_port_enqueue(adapter, adapter->peer_wwpn, 0,
+				 adapter->peer_d_id);
+	if (!port) /* error or port already attached */
+		return;
+	zfcp_erp_port_reopen_internal(port, 0, 150, NULL);
+}
+
 static int
 zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 {
-	int retval = ZFCP_ERP_SUCCEEDED;
 	int retries;
 	int sleep = ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP;
 	struct zfcp_adapter *adapter = erp_action->adapter;
@@ -1682,8 +1696,9 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 		zfcp_erp_action_to_running(erp_action);
 		write_unlock_irq(&adapter->erp_lock);
 		if (zfcp_fsf_exchange_config_data(erp_action)) {
-			retval = ZFCP_ERP_FAILED;
-			break;
+			atomic_clear_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT,
+					  &adapter->status);
+			return ZFCP_ERP_FAILED;
 		}
 
 		/*
@@ -1719,9 +1734,12 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 
 	if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
 			      &adapter->status))
-		retval = ZFCP_ERP_FAILED;
+		return ZFCP_ERP_FAILED;
 
-	return retval;
+	if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)
+		zfcp_erp_open_ptp_port(adapter);
+
+	return ZFCP_ERP_SUCCEEDED;
 }
 
 static int
@@ -1899,14 +1917,12 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
 			retval = zfcp_erp_port_strategy_open_port(erp_action);
 			break;
 		}
-		if (!(adapter->nameserver_port)) {
-			retval = zfcp_nameserver_enqueue(adapter);
-			if (retval != 0) {
-				dev_err(&adapter->ccw_device->dev,
-					"Nameserver port unavailable.\n");
-				retval = ZFCP_ERP_FAILED;
-				break;
-			}
+
+		if (!adapter->nameserver_port) {
+			dev_err(&adapter->ccw_device->dev,
+				"Nameserver port unavailable.\n");
+			retval = ZFCP_ERP_FAILED;
+			break;
 		}
 		if (!atomic_test_mask(ZFCP_STATUS_COMMON_UNBLOCKED,
 				      &adapter->nameserver_port->status)) {

trunk/drivers/s390/scsi/zfcp_ext.h

@@ -37,6 +37,8 @@ extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t,
 extern void   zfcp_port_dequeue(struct zfcp_port *);
 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t);
 extern void   zfcp_unit_dequeue(struct zfcp_unit *);
+extern int zfcp_scan_ports(struct zfcp_adapter *);
+extern void _zfcp_scan_ports_later(struct work_struct *work);
 
 /******************************* S/390 IO ************************************/
 extern int  zfcp_ccw_register(void);
@@ -97,8 +99,6 @@ extern int  zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *);
 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
 extern void  zfcp_test_link(struct zfcp_port *);
 
-extern int  zfcp_nameserver_enqueue(struct zfcp_adapter *);
-
 /******************************* SCSI ****************************************/
 extern int  zfcp_adapter_scsi_register(struct zfcp_adapter *);
 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);