--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/mmu/d_sharedchunk.h	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,114 @@
+// 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_sharedchunk.h
+// 
+//
+
+#ifndef __D_SHAREDCHUNK_H__
+#define __D_SHAREDCHUNK_H__
+
+#include <e32cmn.h>
+#ifndef __KERNEL_MODE__
+#include <e32std.h>
+#endif
+
+_LIT(KSharedChunkLddName,"D_SHAREDCHUNK");
+
+enum TCreateFlags
+	{
+	ESingle				= 0x00,
+	EMultiple			= 0x01,
+	EOwnsMemory			= 0x02,
+	EBlocking			= 0x00,
+	EBuffered			= 0x04,
+	ECached				= 0x08,
+	EBadType			= 0x80,
+	ECreateFlagsMask	= 0xff
+	};
+
+enum TCommitType
+	{
+	EDiscontiguous			= 0x00,
+	EContiguous				= 0x01,
+	EPhysicalMask			= 0x02,
+	EDiscontiguousPhysical	= EDiscontiguous|EPhysicalMask,
+	EContiguousPhysical		= EContiguous|EPhysicalMask,
+	EBadPhysicalAddress		= 0x04,
+	ECommitTypeMask			= 0x0f
+	};
+
+class RSharedChunkLdd : public RBusLogicalChannel
+	{
+public:
+	enum TControl
+		{
+		ECreateChunk,
+		EGetChunkHandle,
+		ECommitMemory,
+		ECloseChunk,
+		ECheckMemory,
+		EReadMemory,
+		EWriteMemory,
+		EDfcReadWrite,
+		EIsrReadWrite,
+		EIsDestroyed,
+		ETestOpenAddress,
+		ETestOpenHandle,
+		ETestAddress,
+		ECloseChunkHandle,
+		EChunkUserBase,
+		EChunkCloseAndFree,
+		};
+
+#ifndef __KERNEL_MODE__
+public:
+	inline TInt Open()
+		{ return DoCreate(KSharedChunkLddName,TVersion(),KNullUnit,NULL,NULL,EOwnerProcess,ETrue); }
+	inline TInt CreateChunk(TInt aSize, TAny** aKernelAddress=0)
+		{ return DoControl(ECreateChunk,(TAny*)aSize,aKernelAddress); }
+	inline TInt GetChunkHandle(RChunk& aChunk, TBool aIsThreadLocal=ETrue)
+		{ return aChunk.SetReturnedHandle(DoControl(EGetChunkHandle,(TAny*)aIsThreadLocal)); }
+	inline TInt CommitMemory(TInt aOffset, TInt aSize)
+		{ return DoControl(ECommitMemory,(TAny*)aOffset,(TAny*)aSize); }
+	inline TInt CloseChunk()
+		{ return DoControl(ECloseChunk); }
+	inline TInt CheckMemory(TInt aOffset)
+		{ return DoControl(ECheckMemory,(TAny*)aOffset); }
+	inline TInt ReadMemory(TInt aOffset,TUint32& aValue)
+		{ return DoControl(EReadMemory,(TAny*)aOffset,&aValue); }
+	inline TInt WriteMemory(TInt aOffset,TUint32 aValue)
+		{ return DoControl(EWriteMemory,(TAny*)aOffset,(TAny*)aValue); }
+	inline TInt DfcReadWrite(TInt aOffset,TUint32& aValue)
+		{ return DoControl(EDfcReadWrite,(TAny*)aOffset,&aValue); }
+	inline TInt IsrReadWrite(TInt aOffset,TUint32& aValue)
+		{ return DoControl(EIsrReadWrite,(TAny*)aOffset,&aValue); }
+	inline TBool IsDestroyed()
+		{ return DoControl(EIsDestroyed); }
+	inline TInt TestOpenAddress(TAny* aAddress)
+		{ return DoControl(ETestOpenAddress,aAddress); }
+	inline TInt TestOpenHandle(TInt aHandle)
+		{ return DoControl(ETestOpenHandle,(TAny*)aHandle); }
+	inline TInt TestAddress(TInt aOffset, TInt aSize)
+		{ return DoControl(ETestAddress,(TAny*)aOffset,(TAny*)aSize); }
+	inline TInt CloseChunkHandle(RChunk aChunk)
+		{ return DoControl(ECloseChunkHandle,(TAny*)aChunk.Handle()); }
+	inline TInt GetChunkUserBase(TAny *aAddress)
+		{ return DoControl(EChunkUserBase, aAddress); }
+	inline TInt TestChunkCloseAndFree()
+		{ return DoControl(EChunkCloseAndFree); }
+#endif
+	};
+
+
+#endif