// 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:

// e32test\mmu\d_memorytest.h

// 

//

#ifndef __D_ASID_H__

#define __D_ASID_H__

#include <e32cmn.h>

#ifndef __KERNEL_MODE__

#include <e32std.h>

#endif

_LIT(KMemoryTestLddName,"d_asid");

struct SDesHeader 

	{

	TAny* iDes;			// Pointer to the descriptor to read the header of.

	TInt iLength;		// Length of the descriptor.

	TInt iMaxLength;	// Maximum length of the descriptor.

	};

class RAsidLdd : public RBusLogicalChannel

	{

public:

	enum TControl

		{

		EGetCurrentThread,

		EOpenThread,

		ECloseThread,

		EReadDesHeader,

		};

#ifndef __KERNEL_MODE__

public:

	inline TInt Open()

		{

		TInt r=User::LoadLogicalDevice(KMemoryTestLddName);

		if(r==KErrNone || r==KErrAlreadyExists)

			r=DoCreate(KMemoryTestLddName,TVersion(),KNullUnit,NULL,NULL,EOwnerProcess,ETrue);

		return r;

		};

	inline TInt GetCurrentThread(TAny*& aPtr)

		{ return DoControl(EGetCurrentThread, &aPtr); }

	inline TInt OpenThread(TAny* aPtr)

		{ return DoControl(EOpenThread, aPtr); }

	inline TInt CloseThread()

		{ return DoControl(ECloseThread); }

	inline TInt ReadDesHeader(TAny* aThread, SDesHeader& aHdr)

		{ return DoControl(EReadDesHeader, aThread, &aHdr); }

#endif

	};

#endif