// 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 TSBCCLIENTINTERFACE_H

#define TSBCCLIENTINTERFACE_H

/**

Utility class to support SCSI BLOCK COMMAND (SBC) primitives.

*/

class TSbcClientInterface

    {

public:

    /** SCSI MODE PAGE CODE values */

    enum ModePageCode

        {

        EReturnAllModePages = 0x3F

        };

	TSbcClientInterface(MTransport& aTransport);

	~TSbcClientInterface();

    void InitBuffers(RBuf8* aHeadbuf, RBuf8* aTailbuf);

    TInt ModeSense6L(TUint aPageCode, TBool& aWriteProtected);

    TInt ModeSense10L(TUint aPageCode, TBool& aWriteProtected);

	TInt Read10L(TLba aLba, TDes8& aBuffer, TInt& aLen);

    TInt ReadCapacity10L(TLba& aLba, TUint32& aBlockSize);

	TInt StartStopUnitL(TBool aStart);

	TInt Write10L(TLba aLba, TDesC8& aBuffer, TUint aPos, TInt& aLen);

	void SetCapacityL(TUint32 aBlockLength, TUint32 aLastLba);

public:

    /** Helper class for block boundary read/write */

    TBlockTransfer iBlockTransfer;

private:

    /** Reference to the transport interface */

    MTransport& iTransport;

    };

inline void TSbcClientInterface::InitBuffers(RBuf8* aHeadbuf, RBuf8* aTailbuf)

    {

    iBlockTransfer.InitBuffers(aHeadbuf, aTailbuf);

    }

/**

Initialise block transfer values

@param aBlockLength Block Length of the media

@param aLastLba Last Logical Block Address of the media

*/

inline void TSbcClientInterface::SetCapacityL(TUint32 aBlockLength, TUint32 aLastLba)

    {

    iBlockTransfer.SetCapacityL(aBlockLength, aLastLba);

    }

#endif // TSBCCLIENTINTERFACE_H