[SCSI] qla2xxx: Add support for fabric name FC transport attribute.

Signed-off-by: Andrew Vasquez <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/qla2xxx/qla_attr.c

···
 	set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 }
 
+static void
+qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
+{
+	scsi_qla_host_t *ha = to_qla_host(shost);
+	u64 node_name;
+
+	if (ha->device_flags & SWITCH_FOUND)
+		node_name = wwn_to_u64(ha->fabric_node_name);
+	else
+		node_name = wwn_to_u64(ha->node_name);
+
+	fc_host_fabric_name(shost) = node_name;
+}
+
 struct fc_function_template qla2xxx_transport_functions = {
 
 	.show_host_node_name = 1,
···
 	.show_host_symbolic_name = 1,
 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
 	.show_host_system_hostname = 1,
+	.get_host_fabric_name = qla2x00_get_host_fabric_name,
+	.show_host_fabric_name = 1,
 
 	.dd_fcrport_size = sizeof(struct fc_port *),
 	.show_rport_supported_classes = 1,

drivers/scsi/qla2xxx/qla_def.h

···
 
 	uint8_t		*node_name;
 	uint8_t		*port_name;
+	uint8_t		fabric_node_name[WWN_SIZE];
 	uint32_t    isp_abort_cnt;
 
 	/* Option ROM information. */

drivers/scsi/qla2xxx/qla_init.c

···
 		loop_id = NPH_F_PORT;
 	else
 		loop_id = SNS_FL_PORT;
-	rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
+	rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
 	if (rval != QLA_SUCCESS) {
 		DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
 		    "Port\n", ha->host_no));
···
 		ha->device_flags &= ~SWITCH_FOUND;
 		return (QLA_SUCCESS);
 	}
+	ha->device_flags |= SWITCH_FOUND;
 
 	/* Mark devices that need re-synchronization. */
 	rval2 = qla2x00_device_resync(ha);