// 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:

 // Shared message service definitions 

 // 

 //

 /**

  @file

  @internalTechnology

 */

 #ifndef __HOSTUSBMSMSGSERVICE_H__

 #define __HOSTUSBMSMSGSERVICE_H__

 /**

 Package structure for a Read or Write request

 */

 struct TReadWrite

     {

     /** position */

 	TInt64 iPos;

     /** Length */

 	TInt iLen;

     };

 const TInt KUsbHostMsSrvMajorVersionNumber = 1;

 const TInt KUsbHostMsSrvMinorVersionNumber = 0;

 const TInt KUsbHostMsSrvBuildVersionNumber = 0;

 _LIT(KUsbHostMsServerName, "usbhostmssrv");

 /** Types of requests Host USB mass storage file extention and MM can make */

 enum TUsbHostMsReqType

 	{

 	EUsbHostMsRegisterInterface,	// Adds the mass storage device to the server

 	EUsbHostMsInitialiseInterface,	// Initialises the interface with the transport and setsup async call for GetMaxLun

 	EUsbHostMsUnRegisterInterface,	// Removes the mass storage device from the server

 	EUsbHostMsFinalCleanup,	// Called after unregistering the interface to cleanup any final bits in the session

 	EUsbHostMsGetNumLun,	// Gets the maximum lun for found in the MS device

 	EUsbHostMsRegisterLun,	// Opens a subsession and registers the LunId

 	EUsbHostMsUnRegisterLun,// Closes the subsession

 	EUsbHostMsShutdown,		// Shuts down the server

 	EUsbHostMsNotifyChange,	// Registers with MSC to get any media change notifications

 	EUsbHostMsSuspendLun,	// Requests MSC to suspend the logical unit and registers with MSC to invoke when resumed

 	EUsbHostMsCapacity,		// Get the logical unit or device capacity

 	EUsbHostMsRead,			// Do a read on the logical unit or device

 	EUsbHostMsWrite,		// Do a write to the logical unit or device

     EUsbHostMsErase,        // Erase an area on the logical unit or device

     EUsbHostMsForceRemount, // Force a remount of the drive

 	EUsbHostMsCancelChangeNotifier, // Cancel the media change notifier

 	EUsbHostMsLast		    // This should always be at the end of the enum

 	};

 #endif //__HOSTUSBMSMSGSERVICE_H__