1 // Copyright (c) 2004-2009 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 // e32test\mmu\d_memorytest.h

    15 // 

    16 //

    17 

    18 #ifndef __D_ASID_H__

    19 #define __D_ASID_H__

    20 

    21 #include <e32cmn.h>

    22 #ifndef __KERNEL_MODE__

    23 #include <e32std.h>

    24 #endif

    25 

    26 _LIT(KMemoryTestLddName,"d_asid");

    27 

    28 struct SDesHeader 

    29 	{

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

    31 	TInt iLength;		// Length of the descriptor.

    32 	TInt iMaxLength;	// Maximum length of the descriptor.

    33 	};

    34 	

    35 

    36 class RAsidLdd : public RBusLogicalChannel

    37 	{

    38 public:

    39 	enum TControl

    40 		{

    41 		EGetCurrentThread,

    42 		EOpenThread,

    43 		ECloseThread,

    44 		EReadDesHeader,

    45 		};

    46 

    47 #ifndef __KERNEL_MODE__

    48 public:

    49 	inline TInt Open()

    50 		{

    51 		TInt r=User::LoadLogicalDevice(KMemoryTestLddName);

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

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

    54 		return r;

    55 		};

    56 	inline TInt GetCurrentThread(TAny*& aPtr)

    57 		{ return DoControl(EGetCurrentThread, &aPtr); }

    58 	inline TInt OpenThread(TAny* aPtr)

    59 		{ return DoControl(EOpenThread, aPtr); }

    60 	inline TInt CloseThread()

    61 		{ return DoControl(ECloseThread); }

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

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

    64 #endif

    65 	};

    66 

    67 

    68 #endif