diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/userlibandfileserver/fileserver/smassstorage/inc/massstorage.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/userlibandfileserver/fileserver/smassstorage/inc/massstorage.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,92 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// RUsbMassStorage Client side header
+// Implements the Symbian OS USB mass storage server RUsbMassStorage API 
+// 
+// WARNING: This file contains some APIs which are internal and are subject
+//          to change without notice. Such APIs should therefore not be used
+//          outside the Kernel and Hardware Services package.
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef __MASSSTORAGE_H__
+#define __MASSSTORAGE_H__
+
+#include <e32std.h>
+#include <usbmsshared.h>
+
+class RUsbMassStorage : public RSessionBase
+/**
+ The RUsbMassStorage class implements the Symbian OS USB mass storage RUsbMassStorage API 
+ 
+ @internalTechnology
+ */
+	{
+public:
+	/**
+     Constructor
+      
+	 @internalTechnology
+	 */
+	inline RUsbMassStorage();
+
+	/**
+     Extract the version of the server providing the RUsbMassStorage API
+     
+     @return	Version of the server
+     @internalTechnology
+	 */
+	inline TVersion Version() const;
+
+	/**
+     Start the mass storage transport service
+     
+	 @param aMsConfig	mass storage configuration info
+	 @internalTechnology
+	 @return KErrNone on success, otherwise system wide error code 
+	 */
+	inline TInt Start(const TMassStorageConfig& aMsConfig);
+
+	/**
+     Stops mass storage transport service
+     
+	 @internalTechnology
+	 @return KErrNone on success, otherwise system wide error code 
+	 */
+	inline TInt Stop();
+	
+	/**
+     Shut down the Mass Storage server
+     
+	 @internalTechnology
+	 @return KErrNone on success, otherwise system wide error code 
+	 */
+	inline TInt Shutdown();
+	
+	/**
+	 Connects to mass storage file server
+	 
+	 @internalTechnology
+	 @return KErrNone on success, otherwise system wide error code 
+	 */
+    inline TInt Connect();
+	};
+
+#include <rusbmassstorage.inl>
+
+#endif //__MASSSTORAGE_H__