diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/userlibandfileserver/fileserver/smassstorage/inc/protocol.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/userlibandfileserver/fileserver/smassstorage/inc/protocol.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,68 @@
+// 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:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef __PROTOCOL_H__
+#define __PROTOCOL_H__
+
+#include <e32base.h>			// C Class Definitions, Cleanup Stack
+#include <e32def.h>				// T Type  Definitions
+#include <e32std.h>    			// ELeave definition
+#include "usbmsshared.h"
+
+
+class MProtocolBase;
+
+class MTransportBase
+	{
+	public:
+	virtual void SetupWriteData(TPtrC8& aData) = 0;
+	virtual TInt Start() = 0;
+	virtual TInt Stop() = 0;
+	virtual void RegisterProtocol(MProtocolBase& aProtocol) = 0;
+	virtual TInt BytesAvailable() = 0;
+	virtual ~MTransportBase() {};
+	virtual TInt InitialiseTransportL(TInt aTransportLddFlag) = 0;
+	virtual void SetupReadData(TUint aLength) = 0;
+	virtual void GetCommandBufPtr(TPtr8& aDes, TUint aLength) = 0; 
+	virtual void GetReadDataBufPtr(TPtr8& aDes) = 0;
+	virtual void GetWriteDataBufPtr(TPtrC8& aDes) = 0; 
+#ifdef MSDC_MULTITHREADED
+	virtual void ProcessReadData(TAny* aAddress) = 0;
+#endif
+	};
+
+
+class MProtocolBase
+	{
+	public:
+	virtual void RegisterTransport(MTransportBase* aTransport) = 0;
+	virtual TBool DecodePacket(TPtrC8& aData, TUint aLun) = 0;
+	virtual TInt ReadComplete(TInt aError) = 0;
+	virtual TInt Cancel() = 0;
+	virtual void ReportHighSpeedDevice() {};
+	virtual ~MProtocolBase() {};
+#ifdef MSDC_MULTITHREADED
+	virtual void InitializeBufferPointers(TPtr8& aDes1, TPtr8& aDes2) = 0;
+#endif
+	};
+
+
+#endif // __PROTOCOL_H__
+