diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/userlibandfileserver/fileserver/smassstorage/inc/cbulkonlytransportusbcldd.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/userlibandfileserver/fileserver/smassstorage/inc/cbulkonlytransportusbcldd.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,161 @@
+/*
+* 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: 
+* Class declaration for CBulkOnlyTransportUsbcLdd.
+*
+*/
+
+
+/** 
+ @file
+ @internalTechnology
+*/
+
+#ifndef __CBULKONLYTRANSPORTUSBCLDD_H__
+#define __CBULKONLYTRANSPORTUSBCLDD_H__
+
+#include "cbulkonlytransport.h"
+#include "cactivedevicestatenotifierbase.h"
+
+// Maximum size for SCSI Read10 Write10 and Verify10 commands
+// Windows requests size of 64K whereas MAC requests size of 128K
+static const TUint32 KMaxBufSize = 128 * 1024;
+
+//Forward Declaration
+class CBulkOnlyTransportUsbcLdd;
+
+/**
+Represent session with control endpoint (Ep0).
+handles the control interface, and responds to the class specific commands (RESET and GET_MAX_LUN).  
+*/
+class CControlInterfaceUsbcLdd : public CActive
+	{
+public:
+	enum TControlState
+		{
+		ENone,
+		EReadEp0Data,
+		ESendMaxLun
+		};
+
+public:
+	static CControlInterfaceUsbcLdd* NewL(CBulkOnlyTransportUsbcLdd& aParent);
+	~CControlInterfaceUsbcLdd();
+	TInt Start();
+	void Stop();
+	virtual void RunL();
+	virtual void DoCancel();
+
+private:
+	CControlInterfaceUsbcLdd(CBulkOnlyTransportUsbcLdd& aParent);
+	void ConstructL();
+	TInt ReadEp0Data();
+	void DecodeEp0Data();
+	TInt ReadUsbEp0();
+
+private:
+	/** Buffer for request data*/
+	TBuf8<KRequestHdrSize> iData;
+
+	TUsbRequestHdr iRequestHeader;
+	
+	/** reference to the  CBulkOnlyTransport*/
+	CBulkOnlyTransportUsbcLdd& iParent;
+
+	/** represent carrent state for state mashine */
+	TControlState iCurrentState;
+	};
+
+
+/** Transport Class that accessess the Non-SC LDD */
+class CBulkOnlyTransportUsbcLdd : public CBulkOnlyTransport, public MLddDeviceStateNotification
+	{
+public:
+	CBulkOnlyTransportUsbcLdd(TInt aNumDrives,CUsbMassStorageController& aController);
+
+	~CBulkOnlyTransportUsbcLdd();
+	void ConstructL();
+
+	RDevUsbcClient& Ldd();
+	TInt BytesAvailable(); // from Mtransport base class
+
+	TInt SetupConfigurationDescriptor(TBool aUnset = EFalse);
+	TInt SetupInterfaceDescriptors();
+	void ReleaseInterface();
+	void CancelControlInterface();
+	TInt StartControlInterface();
+	void ActivateDeviceStateNotifier();
+	void CancelDeviceStateNotifier();
+	void CancelReadWriteRequests();
+	void AllocateEndpointResources();
+	TInt GetDeviceStatus(TUsbcDeviceState& deviceStatus);
+	void FlushData();
+	void ReadAndDiscardData(TInt aBytes);
+	void ReadCBW();
+	void ExpireData(TAny* aAddress = NULL);
+	void ProcessCbwEvent();
+	void StallEndpointAndWaitForClear();
+	void ReadData(TUint aLength = 0);
+	void WriteUsb(TRequestStatus& aStatus, TPtrC8& aDes, TUint aLength, TBool aZlpRequired = EFalse);
+	void SetCbwPtr();
+	TPtr8& SetCommandBufPtr(TUint aLength);
+	TPtr8& SetDataBufPtr();
+	void SetPaddingBufPtr(TUint aLength);
+	void SetCswBufPtr(TUint aLength);
+	void ProcessReadingDataEvent();
+	void DiscardData(TUint aLength);
+	void WriteToClient(TUint aLength);
+	void SetReadDataBufPtr(TUint aLength);
+
+#ifdef MSDC_MULTITHREADED
+	virtual void GetBufferPointers(TPtr8& aDes1, TPtr8& aDes2);
+#endif
+
+    void Activate(TRequestStatus& aStatus, TUint& aValue);
+    void Cancel();
+
+private:
+	TInt ReadUsb(TUint aLength = 0);
+
+private:
+	RDevUsbcClient iLdd;
+	CControlInterfaceUsbcLdd* iControlInterface;
+	CActiveDeviceStateNotifierBase* iDeviceStateNotifier;
+	
+	/** buffer for Command Block Wrapper */
+	TBuf8 <KCbwLength> iCbwBuf;
+
+	TBuf8<KCommandBufferLength> iCommandBuf; // For Responses to commands 
+
+	TBuf8<KMaxBufSize> iDataBuf1;	// For data transfers (Reading and Writing)
+
+	TBuf8<KMaxBufSize> iDataBuf2;
+
+	TBool iSwap;
+	/** internal buffer for CSW */
+	TBuf8<KCswLength> iCswBuf;
+
+	/** internal buffer for padding */
+	TBuf8<KBOTMaxBufSize> iBuf;
+
+	/** internal buffer for garbage */
+	TBuf8<512> iDiscardBuf;
+	};
+
+#endif
+
+
+
+
+