os/kernelhwsrv/kerneltest/e32test/demandpaging/d_pagingexample.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
sl@0
     1
// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0
     2
// All rights reserved.
sl@0
     3
// This component and the accompanying materials are made available
sl@0
     4
// under the terms of the License "Eclipse Public License v1.0"
sl@0
     5
// which accompanies this distribution, and is available
sl@0
     6
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0
     7
//
sl@0
     8
// Initial Contributors:
sl@0
     9
// Nokia Corporation - initial contribution.
sl@0
    10
//
sl@0
    11
// Contributors:
sl@0
    12
//
sl@0
    13
// Description:
sl@0
    14
// e32\e32test\demandpaging\d_pagingexample.h
sl@0
    15
// Examples for demand paging device driver migration
sl@0
    16
// This header defines the interface to four drivers:
sl@0
    17
// d_pagingexample_1_pre		DLogicalChannel-dervied driver, pre-migration
sl@0
    18
// d_pagingexample_1_post		DLogicalChannel-dervied driver, post-migration
sl@0
    19
// d_pagingexample_2_pre		DLogicalChannelBase-dervied driver, pre-migration
sl@0
    20
// d_pagingexample_2_post		DLogicalChannelBase-dervied driver, post-migration
sl@0
    21
// 
sl@0
    22
//
sl@0
    23
sl@0
    24
#ifndef __D_PAGINGEXAMPLE_H__
sl@0
    25
#define __D_PAGINGEXAMPLE_H__
sl@0
    26
sl@0
    27
#include <e32cmn.h>
sl@0
    28
sl@0
    29
#ifndef __KERNEL_MODE__
sl@0
    30
#include <e32std.h>
sl@0
    31
#endif
sl@0
    32
sl@0
    33
_LIT(KPagingExample1PreLdd,"D_PAGINGEXAMPLE_1_PRE");
sl@0
    34
_LIT(KPagingExample1PostLdd,"D_PAGINGEXAMPLE_1_POST");
sl@0
    35
_LIT(KPagingExample2PreLdd,"D_PAGINGEXAMPLE_2_PRE");
sl@0
    36
_LIT(KPagingExample2PostLdd,"D_PAGINGEXAMPLE_2_POST");
sl@0
    37
sl@0
    38
const TInt KMaxTransferSize = 256;
sl@0
    39
const TInt KAsyncDelay = 100;   // simulated async operations take 100ms
sl@0
    40
sl@0
    41
// Common interface to all versions of the example driver
sl@0
    42
class RPagingExample : public RBusLogicalChannel
sl@0
    43
	{
sl@0
    44
public:
sl@0
    45
	enum TControl
sl@0
    46
		{
sl@0
    47
		ESetRealtimeState,
sl@0
    48
		EGetConfig,
sl@0
    49
		ESetConfig,
sl@0
    50
		};
sl@0
    51
	
sl@0
    52
	enum TRequest
sl@0
    53
		{
sl@0
    54
		ERequestRead,
sl@0
    55
		ERequestReadDes,
sl@0
    56
		ERequestWrite,
sl@0
    57
		ERequestWriteDes,
sl@0
    58
		ERequestNotify,
sl@0
    59
		ERequestAsyncGetValue,
sl@0
    60
		ERequestAsyncGetValue2,
sl@0
    61
		ERequestCancel,
sl@0
    62
		};
sl@0
    63
sl@0
    64
	struct TConfigData
sl@0
    65
		{
sl@0
    66
		TInt iParam1;
sl@0
    67
		TInt iParam2;
sl@0
    68
		TInt iParam3;
sl@0
    69
		TInt iParam4;
sl@0
    70
		};
sl@0
    71
sl@0
    72
	struct TValueStruct
sl@0
    73
		{
sl@0
    74
		TInt     iValue1;
sl@0
    75
		TBuf8<4> iValue2;
sl@0
    76
		};
sl@0
    77
	
sl@0
    78
#ifndef __KERNEL_MODE__
sl@0
    79
public:
sl@0
    80
	inline TInt Open(const TDesC& aLddName)
sl@0
    81
		{ return DoCreate(aLddName, TVersion(), KNullUnit, NULL, NULL, EOwnerThread, EFalse); }
sl@0
    82
	inline TInt SetDfcThreadRealtimeState(TBool aRealtime)  // only supported on "1_pre" driver
sl@0
    83
		{ return DoControl(ESetRealtimeState, (TAny*)aRealtime); }
sl@0
    84
	inline TInt GetConfig(TConfigData& aConfigOut)
sl@0
    85
		{ return DoControl(EGetConfig, (TAny*)&aConfigOut); }
sl@0
    86
	inline TInt SetConfig(const TConfigData& aConfigIn)
sl@0
    87
		{ return DoControl(ESetConfig, (TAny*)&aConfigIn); }
sl@0
    88
	inline void Notify(TRequestStatus& aStatus)
sl@0
    89
		{ DoRequest(ERequestNotify, aStatus); }
sl@0
    90
	inline void AsyncGetValue(TRequestStatus& aStatus, TValueStruct& aValueOut)
sl@0
    91
		{ DoRequest(ERequestAsyncGetValue, aStatus, (TAny*)&aValueOut); }
sl@0
    92
	inline void AsyncGetValue2(TRequestStatus& aStatus, TInt& aValueOut1, TInt& aValueOut2)
sl@0
    93
		{ DoRequest(ERequestAsyncGetValue2, aStatus, (TAny*)&aValueOut1, (TAny*)&aValueOut2); }
sl@0
    94
	inline void Read(TRequestStatus& aStatus, TUint8* aBuffer, TInt aLength)
sl@0
    95
		{ DoRequest(ERequestRead, aStatus, aBuffer, (TAny*)aLength); }
sl@0
    96
	inline void ReadDes(TRequestStatus& aStatus, TDes8& aDesOut)
sl@0
    97
		{ DoRequest(ERequestReadDes, aStatus, &aDesOut); }
sl@0
    98
	inline void Write(TRequestStatus& aStatus, const TUint8* aBuffer, TInt aLength)
sl@0
    99
		{ DoRequest(ERequestWrite, aStatus, (TAny*)aBuffer, (TAny*)aLength); }
sl@0
   100
	inline void WriteDes(TRequestStatus& aStatus, const TDesC8& aDesIn)
sl@0
   101
		{ DoRequest(ERequestWriteDes, aStatus, (TAny*)&aDesIn); }
sl@0
   102
	inline void Cancel()
sl@0
   103
		{ DoCancel(ERequestCancel); }
sl@0
   104
#endif
sl@0
   105
	};
sl@0
   106
sl@0
   107
#endif