1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 

    21 #ifndef RUSBHOSTMSLOGICALUNIT_H

    22 #define RUSBHOSTMSLOGICALUNIT_H

    23 

    24 

    25 /**

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

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

    28 device.

    29 */

    30 class RUsbHostMsLogicalUnit : public RSubSessionBase

    31 	{

    32 public:

    33 	/* Constructor */

    34 	IMPORT_C RUsbHostMsLogicalUnit();

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

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

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

    38 	IMPORT_C TInt Erase(TInt64 aPos, TInt aLength);

    39 	IMPORT_C TInt Caps(TCapsInfo& aCapsInfo);

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

    41 	IMPORT_C void SuspendLun();

    42     IMPORT_C TInt UnInitialise();

    43     IMPORT_C TInt ForceRemount(TUint aFlags);

    44 	IMPORT_C void NotifyChangeCancel();

    45 

    46 private:

    47 	TVersion Version() const;

    48 	RUsbHostMsDevice dev;

    49 	};

    50 

    51 #endif // RUSBHOSTMSLOGICALUNIT_H