// Copyright (c) 2008-2009 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 RUSBHOSTMSLOGICALUNIT_H

#define RUSBHOSTMSLOGICALUNIT_H

/**

Provides a subsession to the USB Mass Storage Host server. This class is used to

create a channel to interface to a single logical unit supported by the attached

device.

*/

class RUsbHostMsLogicalUnit : public RSubSessionBase

	{

public:

	/* Constructor */

	IMPORT_C RUsbHostMsLogicalUnit();

	IMPORT_C TInt Initialise(const RMessage2& aMsg, TInt aDevHandleIndex, TUint32 aLun);

	IMPORT_C TInt Read(TInt64 aPos, TInt aLength, TDes8& aTrg);

	IMPORT_C TInt Write(TInt64 aPos, TInt aLength, const TDesC8& aTrg);

	IMPORT_C TInt Erase(TInt64 aPos, TInt aLength);

	IMPORT_C TInt Caps(TCapsInfo& aCapsInfo);

	IMPORT_C void NotifyChange(TDes8& aChanged, TRequestStatus& aStatus);

	IMPORT_C void SuspendLun();

    IMPORT_C TInt UnInitialise();

    IMPORT_C TInt ForceRemount(TUint aFlags);

	IMPORT_C void NotifyChangeCancel();

private:

	TVersion Version() const;

	RUsbHostMsDevice dev;

	};

#endif // RUSBHOSTMSLOGICALUNIT_H