Split "iSCSI as a SCSI device" out from "iSCSI as a TCP protocol".

src/drivers/scsi/iscsidev.c

+/*
+ * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stddef.h>
+#include <gpxe/iscsi.h>
+
+/** @file
+ *
+ * iSCSI SCSI device
+ *
+ */
+
+/**
+ * Issue SCSI command via iSCSI device
+ *
+ * @v scsi		SCSI device
+ * @v command		SCSI command
+ * @ret rc		Return status code
+ */
+static int iscsi_command ( struct scsi_device *scsi,
+			   struct scsi_command *command ) {
+	struct iscsi_device *iscsidev
+		= container_of ( scsi, struct iscsi_device, scsi );
+
+	return iscsi_issue ( &iscsidev->iscsi, command );
+}
+
+/**
+ * Initialise iSCSI device
+ *
+ * @v iscsidev		iSCSI device
+ */
+int init_iscsidev ( struct iscsi_device *iscsidev ) {
+	iscsidev->scsi.command = iscsi_command;
+	iscsidev->scsi.lun = iscsidev->iscsi.lun;
+	return init_scsidev ( &iscsidev->scsi );
+}

src/include/gpxe/iscsi.h

 /** Maximum number of retries at connecting */
 #define ISCSI_MAX_RETRIES 2
 
+extern int iscsi_issue ( struct iscsi_session *iscsi,
+			 struct scsi_command *command );
+
 /** An iSCSI device */
 struct iscsi_device {
 	/** SCSI device interface */

src/net/tcp/iscsi.c

+/*
+ * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
 #include <stddef.h>
 #include <string.h>
 #include <vsprintf.h>
  * @v command		SCSI command
  * @ret rc		Return status code
  */
-static int iscsi_command ( struct iscsi_session *iscsi,
-			   struct scsi_command *command ) {
+int iscsi_issue ( struct iscsi_session *iscsi,
+		  struct scsi_command *command ) {
 	iscsi->command = command;
 	iscsi->status &= ~( ISCSI_STATUS_DONE | ISCSI_STATUS_ERR );
 
 
 	return ( ( iscsi->status & ISCSI_STATUS_ERR ) ? -EIO : 0 );	
 }
-
-/**
- * Issue SCSI command via iSCSI device
- *
- * @v scsi		SCSI device
- * @v command		SCSI command
- * @ret rc		Return status code
- */
-static int iscsi_scsi_command ( struct scsi_device *scsi,
-				struct scsi_command *command ) {
-	struct iscsi_device *iscsidev
-		= container_of ( scsi, struct iscsi_device, scsi );
-
-	return iscsi_command ( &iscsidev->iscsi, command );
-}
-
-/**
- * Initialise iSCSI device
- *
- * @v iscsidev		iSCSI device
- */
-int init_iscsidev ( struct iscsi_device *iscsidev ) {
-	iscsidev->scsi.command = iscsi_scsi_command;
-	iscsidev->scsi.lun = iscsidev->iscsi.lun;
-	return init_scsidev ( &iscsidev->scsi );
-}