--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/demandpaging/d_pagingexample.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,107 @@
+// 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:
+// e32\e32test\demandpaging\d_pagingexample.h
+// Examples for demand paging device driver migration
+// This header defines the interface to four drivers:
+// d_pagingexample_1_pre		DLogicalChannel-dervied driver, pre-migration
+// d_pagingexample_1_post		DLogicalChannel-dervied driver, post-migration
+// d_pagingexample_2_pre		DLogicalChannelBase-dervied driver, pre-migration
+// d_pagingexample_2_post		DLogicalChannelBase-dervied driver, post-migration
+// 
+//
+
+#ifndef __D_PAGINGEXAMPLE_H__
+#define __D_PAGINGEXAMPLE_H__
+
+#include <e32cmn.h>
+
+#ifndef __KERNEL_MODE__
+#include <e32std.h>
+#endif
+
+_LIT(KPagingExample1PreLdd,"D_PAGINGEXAMPLE_1_PRE");
+_LIT(KPagingExample1PostLdd,"D_PAGINGEXAMPLE_1_POST");
+_LIT(KPagingExample2PreLdd,"D_PAGINGEXAMPLE_2_PRE");
+_LIT(KPagingExample2PostLdd,"D_PAGINGEXAMPLE_2_POST");
+
+const TInt KMaxTransferSize = 256;
+const TInt KAsyncDelay = 100;   // simulated async operations take 100ms
+
+// Common interface to all versions of the example driver
+class RPagingExample : public RBusLogicalChannel
+	{
+public:
+	enum TControl
+		{
+		ESetRealtimeState,
+		EGetConfig,
+		ESetConfig,
+		};
+	
+	enum TRequest
+		{
+		ERequestRead,
+		ERequestReadDes,
+		ERequestWrite,
+		ERequestWriteDes,
+		ERequestNotify,
+		ERequestAsyncGetValue,
+		ERequestAsyncGetValue2,
+		ERequestCancel,
+		};
+
+	struct TConfigData
+		{
+		TInt iParam1;
+		TInt iParam2;
+		TInt iParam3;
+		TInt iParam4;
+		};
+
+	struct TValueStruct
+		{
+		TInt     iValue1;
+		TBuf8<4> iValue2;
+		};
+	
+#ifndef __KERNEL_MODE__
+public:
+	inline TInt Open(const TDesC& aLddName)
+		{ return DoCreate(aLddName, TVersion(), KNullUnit, NULL, NULL, EOwnerThread, EFalse); }
+	inline TInt SetDfcThreadRealtimeState(TBool aRealtime)  // only supported on "1_pre" driver
+		{ return DoControl(ESetRealtimeState, (TAny*)aRealtime); }
+	inline TInt GetConfig(TConfigData& aConfigOut)
+		{ return DoControl(EGetConfig, (TAny*)&aConfigOut); }
+	inline TInt SetConfig(const TConfigData& aConfigIn)
+		{ return DoControl(ESetConfig, (TAny*)&aConfigIn); }
+	inline void Notify(TRequestStatus& aStatus)
+		{ DoRequest(ERequestNotify, aStatus); }
+	inline void AsyncGetValue(TRequestStatus& aStatus, TValueStruct& aValueOut)
+		{ DoRequest(ERequestAsyncGetValue, aStatus, (TAny*)&aValueOut); }
+	inline void AsyncGetValue2(TRequestStatus& aStatus, TInt& aValueOut1, TInt& aValueOut2)
+		{ DoRequest(ERequestAsyncGetValue2, aStatus, (TAny*)&aValueOut1, (TAny*)&aValueOut2); }
+	inline void Read(TRequestStatus& aStatus, TUint8* aBuffer, TInt aLength)
+		{ DoRequest(ERequestRead, aStatus, aBuffer, (TAny*)aLength); }
+	inline void ReadDes(TRequestStatus& aStatus, TDes8& aDesOut)
+		{ DoRequest(ERequestReadDes, aStatus, &aDesOut); }
+	inline void Write(TRequestStatus& aStatus, const TUint8* aBuffer, TInt aLength)
+		{ DoRequest(ERequestWrite, aStatus, (TAny*)aBuffer, (TAny*)aLength); }
+	inline void WriteDes(TRequestStatus& aStatus, const TDesC8& aDesIn)
+		{ DoRequest(ERequestWriteDes, aStatus, (TAny*)&aDesIn); }
+	inline void Cancel()
+		{ DoCancel(ERequestCancel); }
+#endif
+	};
+
+#endif