From: Cheng Renquan <crquan@gmail.com>

This is needed to build qla2xxx on top of 2.6.26 and
2.6.27 Linux kernels according this scst-devel mailing list thread,
http://sourceforge.net/mailarchive/message.php?msg_name=1288289831-23405-1-git-send-email-crquan@gmail.com

---
 drivers/scsi/scsi_transport_fc.c |   53 +++++++++++++++++++--------------------
 include/scsi/scsi_transport_fc.h |   27 +++++++++++++++++++
 2 files changed, 53 insertions(+), 27 deletions(-)

Index: linux-2.6.26/drivers/scsi/scsi_transport_fc.c
===================================================================
--- linux-2.6.26.orig/drivers/scsi/scsi_transport_fc.c	2010-11-12 01:16:11.000000000 +0800
+++ linux-2.6.26/drivers/scsi/scsi_transport_fc.c	2010-11-12 01:17:09.000000000 +0800
@@ -41,30 +41,7 @@
 static int fc_queue_work(struct Scsi_Host *, struct work_struct *);
 static void fc_vport_sched_delete(struct work_struct *work);
 
-/*
- * This is a temporary carrier for creating a vport. It will eventually
- * be replaced  by a real message definition for sgio or netlink.
- *
- * fc_vport_identifiers: This set of data contains all elements
- * to uniquely identify and instantiate a FC virtual port.
- *
- * Notes:
- *   symbolic_name: The driver is to append the symbolic_name string data
- *      to the symbolic_node_name data that it generates by default.
- *      the resulting combination should then be registered with the switch.
- *      It is expected that things like Xen may stuff a VM title into
- *      this field.
- */
-struct fc_vport_identifiers {
-	u64 node_name;
-	u64 port_name;
-	u32 roles;
-	bool disable;
-	enum fc_port_type vport_type;	/* only FC_PORTTYPE_NPIV allowed */
-	char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
-};
-
-static int fc_vport_create(struct Scsi_Host *shost, int channel,
+static int fc_vport_setup(struct Scsi_Host *shost, int channel,
 	struct device *pdev, struct fc_vport_identifiers  *ids,
 	struct fc_vport **vport);
 
@@ -1759,7 +1736,7 @@
 	vid.disable = false;		/* always enabled */
 
 	/* we only allow support on Channel 0 !!! */
-	stat = fc_vport_create(shost, 0, &shost->shost_gendev, &vid, &vport);
+	stat = fc_vport_setup(shost, 0, &shost->shost_gendev, &vid, &vport);
 	return stat ? stat : count;
 }
 static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL,
@@ -3102,7 +3079,7 @@
 
 
 /**
- * fc_vport_create - allocates and creates a FC virtual port.
+ * fc_vport_setup - allocates and creates a FC virtual port.
  * @shost:	scsi host the virtual port is connected to.
  * @channel:	Channel on shost port connected to.
  * @pdev:	parent device for vport
@@ -3117,7 +3094,7 @@
  *	This routine assumes no locks are held on entry.
  */
 static int
-fc_vport_create(struct Scsi_Host *shost, int channel, struct device *pdev,
+fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev,
 	struct fc_vport_identifiers  *ids, struct fc_vport **ret_vport)
 {
 	struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
@@ -3230,6 +3207,28 @@
 	return error;
 }
 
+/**
+ * fc_vport_create - Admin App or LLDD requests creation of a vport
+ * @shost:	scsi host the virtual port is connected to.
+ * @channel:	channel on shost port connected to.
+ * @ids:	The world wide names, FC4 port roles, etc for
+ *              the virtual port.
+ *
+ * Notes:
+ *	This routine assumes no locks are held on entry.
+ */
+struct fc_vport *
+fc_vport_create(struct Scsi_Host *shost, int channel,
+	struct fc_vport_identifiers *ids)
+{
+	int stat;
+	struct fc_vport *vport;
+
+	stat = fc_vport_setup(shost, channel, &shost->shost_gendev,
+		 ids, &vport);
+	return stat ? NULL : vport;
+}
+EXPORT_SYMBOL(fc_vport_create);
 
 /**
  * fc_vport_terminate - Admin App or LLDD requests termination of a vport
Index: linux-2.6.26/include/scsi/scsi_transport_fc.h
===================================================================
--- linux-2.6.26.orig/include/scsi/scsi_transport_fc.h	2010-11-12 01:16:11.000000000 +0800
+++ linux-2.6.26/include/scsi/scsi_transport_fc.h	2010-11-12 01:17:47.000000000 +0800
@@ -198,6 +198,31 @@
  */
 
 #define FC_VPORT_SYMBOLIC_NAMELEN		64
+#define FC_VPORT_CREATE_DEFINED
+
+/*
+ * This is a temporary carrier for creating a vport. It will eventually
+ * be replaced  by a real message definition for sgio or netlink.
+ *
+ * fc_vport_identifiers: This set of data contains all elements
+ * to uniquely identify and instantiate a FC virtual port.
+ *
+ * Notes:
+ *   symbolic_name: The driver is to append the symbolic_name string data
+ *      to the symbolic_node_name data that it generates by default.
+ *      the resulting combination should then be registered with the switch.
+ *      It is expected that things like Xen may stuff a VM title into
+ *      this field.
+ */
+struct fc_vport_identifiers {
+	u64 node_name;
+	u64 port_name;
+	u32 roles;
+	bool disable;
+	enum fc_port_type vport_type;	/* only FC_PORTTYPE_NPIV allowed */
+	char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
+};
+
 struct fc_vport {
 	/* Fixed Attributes */
 
@@ -732,6 +757,8 @@
 	 *   be sure to read the Vendor Type and ID formatting requirements
 	 *   specified in scsi_netlink.h
 	 */
+struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
+				 struct fc_vport_identifiers *ids);
 int fc_vport_terminate(struct fc_vport *vport);
 
 #endif /* SCSI_TRANSPORT_FC_H */