// Copyright (c) 1997-2009 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:

// f32\inc\f32dbg.h

// 

// WARNING: This file contains some APIs which are internal and are subject

//          to change without notice. Such APIs should therefore not be used

//          outside the Kernel and Hardware Services package.

//

/**

 @file

 @internalTechnology

 @released

*/

#if !defined(__F32DBG_H__)

#define __F32DBG_H__

#include <e32std.h>

#include <e32std_private.h>

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

file system code, when set through a call to RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define KFSYS       0x0001

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

file server code, when set through a call to RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define KFSERV      0x0002

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

the loader code, when set through a call to RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define KFLDR       0x0004

/**

@publishedPartner

@released

A bit value indicating that the number of (simulated) allocation

failures to complete a given function is to be printed, when set

through a call to RFs::SetDebugRegister() in _DEBUG or _DEBUG_RELEASE mode.

*/

#define KALLOC		0x0008

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

LFFS code, when set through a call to RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define KLFFS		0x0010

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

ISO9660 code, when set through a call to RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define	KISO9660	0x0020

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

NTFS code, when set through a call to RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define	KNTFS		0x0040

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

ROFS code, when set through a call to the function RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define	KROFS		0x0080

/**

@publishedPartner

@released

A bit value indicating that tracing is to be active in

concurrent file system code, when set through a call to the function RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define KTHRD		0x0100

/**

@internalTechnology

*/

#define KCACHE		0x0200

/**

@internalTechnology

@prototype

A bit value indicating that tracing is to be active in

COMPFS code, when set through a call to the function RFs::SetDebugRegister()

in _DEBUG or _DEBUG_RELEASE mode.

*/

#define	KCOMPFS		0x0400

/**

@internalTechnology

@prototype

A bit value indicating that tracing is to be active in

file server plugin support code, when set through a call

to the function RFs::SetDebugRegister()

*/

#define KPLUGIN		0x0800

// #define _DEBUG_RELEASE

const TInt KAllocFailureOn=0;

const TInt KAllocFailureOff=-1;

#if defined(_DEBUG) || defined(_DEBUG_RELEASE)

const TInt KControlIoCancelNCNotifier=KMaxTInt-1;

const TInt KControlIoNCDebugNotifierOn=KMaxTInt-2;

const TInt KControlIoNCDebugNotifierOff=KMaxTInt-3;

const TInt KControlIoGetCorruptLogRecord=KMaxTInt-4;

const TInt KControlIoGetNumberOfCorruptLogRecords=KMaxTInt-5;

const TInt KControlIoGetCorruptListFile=KMaxTInt-6;

const TInt KControlIoCorruptLogRecordReset=KMaxTInt-7;

const TInt KControlIoCacheCount=KMaxTInt-8;

const TInt KControlIoGetLocalDriveNumber=KMaxTInt-9;

const TInt KControlIoCancelDeferredDismount=KMaxTInt-10;

const TInt KControlIoFileCacheFlagsWrite=KMaxTInt-11;

const TInt KControlIoFileCacheStats=KMaxTInt-12;

const TInt KControlIoFlushClosedFiles=KMaxTInt-13;

const TInt KControlIoSimulateLockFailureMode=KMaxTInt-14;

const TInt KControlIoFileCacheDump=KMaxTInt-15;

const TInt KControlIoAllocateMaxSegments=KMaxTInt-16;

const TInt KControlIoDisableFatUtilityFunctions=KMaxTInt-17;

const TInt KControlIoEnableFatUtilityFunctions=KMaxTInt-18;

const TInt KControlIoFileCacheConfig=KMaxTInt-19;

const TInt KControlIoSimulateFileCacheWriteFailure=KMaxTInt-20;

const TInt KControlIoSessionCount=KMaxTInt-21;

const TInt KControlIoObjectCount=KMaxTInt-22;

const TInt KControlIoIsFileSequential=KMaxTInt-23;

const TInt KControlIoGlobalCacheConfig=KMaxTInt-24;

const TInt KControlIoGlobalCacheInfo=KMaxTInt-25;

const TInt KControlIoDirCacheConfig=KMaxTInt-26;

const TInt KControlIoDirCacheInfo=KMaxTInt-27;

const TInt KControlIoSimulateMemoryLow=KMaxTInt-28;

const TInt KControlIoStopSimulateMemoryLow=KMaxTInt-29;

const TInt KControlIoHeapCellCount=KMaxTInt-30;

const TInt KNCDebugNotifierValue=-500000;	// between 0 and 1 second

GLREF_D TInt DebugNCNotifier;

class TIOCacheValues

	{ 

public:

	TInt iFreeCount;	// current number of requests on free queue

	TInt iCloseCount;	// current number of requests on close queue

	TInt iAllocated;	// no longer used

	TInt iTotalCount;	// current number of requests

	TInt iRequestCountPeak;	// peak number of requests, i.e. peak value reached by iTotalCount

	// the same again but for the OperationAllocator

	TInt iOpFreeCount;

	TInt iOpRequestCount;

	TInt iOpRequestCountPeak;

	};

class TFileCacheStats

	{ 

public:

	TInt iFreeCount;

	TInt iUsedCount;

	TInt iLockedSegmentCount;

	TInt iAllocatedSegmentCount;

	TInt iFileCount;

	TInt iFilesOnClosedQueue;

	TInt iHoleCount;

	TInt iUncachedPacketsRead;

	TInt iUncachedBytesRead;

	TInt iUncachedPacketsWritten;

	TInt iUncachedBytesWritten;

	TInt iCommitFailureCount;

	TInt iLockFailureCount;

	TInt iWriteThroughWithDirtyDataCount;

	};

class TFileCacheConfig

	{ 

public:

	TInt iDrive;

	TInt iFlags;

	TBool iFileCacheReadAsync;

	TInt32 iFairSchedulingLen;			// in bytes

	TInt32 iCacheSize;					// in bytes

	TInt32 iMaxReadAheadLen;			// in bytes

	TInt32 iClosedFileKeepAliveTime;	// in microseconds

	TInt32 iDirtyDataFlushTime;			// in microseconds

	};

struct TFsDebugCorruptLogRecord

	{

	TFileName iProcessName;

	TFileName iFileName;

	TInt iError;

	};

typedef TPckgBuf <TFsDebugCorruptLogRecord> TFsDebugCorruptLogRecordBuf;

extern TBool EnableFatUtilityFunctions;

class TGlobalCacheConfig

    {

public:

    TInt32 iGlobalCacheSizeInBytes;      		// in bytes 

    TInt32 iGlobalLowMemoryThreshold;         	// in percentage

    };

class TGlobalCacheInfo

    {

public:

    TInt32 iGlobalCacheSizeInBytes;     		// in bytes 

    TInt32 iGlobalLowMemoryThreshold;   		// in percentage

    };

class TDirCacheConfig

    {

public:

    TInt iDrive;

    TInt32 iLeafDirCacheSize;           // in number of most recently visited leaf directories

    TInt32 iDirCacheSizeMin;            // in bytes

    TInt32 iDirCacheSizeMax;            // in bytes

    };

class TDirCacheInfo

    {

public:

    TInt iDrive;

    /**

    Segment size in bytes. A memory segment is the smallest memory unit that Kernel manages through RChunk.

    */

    TInt32 iMemorySegmentSize;

    /**

    Size of memory a page occupies, in bytes.

    Note: following restrictions may result a difference between page size in memory & page size in data:

        1. page size can not be smaller than segment size

        2. one page can not contain data from two different clusters

    */

    TInt32 iPageSizeInMemory;

    /**

    Size of actual data a page contains, in bytes.

    Note: following restrictions may result a difference between page size in memory & page size in data:

        1. page size can not be smaller than segment size

        2. one page can not contain data from two different clusters

    */

    TInt32 iPageSizeInData;

    /**

    The minimum number of pages that the cache can contain, even under low memory conditions.

    */

    TInt32 iMinCacheSizeInPages;

    /**

    The maximum number of pages that the cache can contain, when there is enough free memory in the system.

    */

    TInt32 iMaxCacheSizeInPages;

    /**

    The minimum cache size in memory. In bytes.

    */

    TInt32 iMinCacheSizeInMemory;

    /**

    The maximum cache size in memroy. In bytes.

    */

    TInt32 iMaxCacheSizeInMemory;

    /**

    Current count of the locked pages.

    */

    TInt32 iLockedPageNumber;

    /**

    Current count of the unlocked pages.

    */

    TInt32 iUnlockedPageNumber;

    };

#endif

enum TLoaderDebugFunction

	{

	ELoaderDebug_SetHeapFail,

	ELoaderDebug_SetRFsFail

	};

enum TFsDebugFunction

	{

	EFsSetAllocFailure,

	EFsSetErrorCondition,

	EFsSetDebugRegister,

	EFsDebugNotify

	};

#endif