os/kernelhwsrv/userlibandfileserver/fileserver/sfat32/sl_disk.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
sl@0
     1
// Copyright (c) 1998-2009 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
// f32\sfat\inc\sl_disk.h
sl@0
    15
// 
sl@0
    16
//
sl@0
    17
sl@0
    18
/**
sl@0
    19
 @file
sl@0
    20
 @internalTechnology
sl@0
    21
*/
sl@0
    22
sl@0
    23
#if !defined(__SL_DISK_H__)
sl@0
    24
#define __SL_DISK_H__
sl@0
    25
sl@0
    26
#include "sl_std.h"
sl@0
    27
sl@0
    28
//---------------------------------------------------------------------------------------------------------------------------------
sl@0
    29
sl@0
    30
class MWTCacheInterface;
sl@0
    31
sl@0
    32
sl@0
    33
class CAtaDisk : public CRawDisk
sl@0
    34
	{
sl@0
    35
public:
sl@0
    36
	static CAtaDisk* NewL(CFatMountCB& aFatMount);
sl@0
    37
	
sl@0
    38
     CAtaDisk(CFatMountCB& aFatMount);
sl@0
    39
	~CAtaDisk();
sl@0
    40
sl@0
    41
    void ConstructL();  
sl@0
    42
    void InitializeL();
sl@0
    43
sl@0
    44
public:
sl@0
    45
	void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const; 
sl@0
    46
	void WriteCachedL(TInt64 aPos,const TDesC8& aDes);
sl@0
    47
sl@0
    48
    void InvalidateUidCache();
sl@0
    49
    virtual void InvalidateUidCachePage(TUint64 aPos);
sl@0
    50
sl@0
    51
	
sl@0
    52
    void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;
sl@0
    53
	void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);
sl@0
    54
	virtual TInt GetLastErrorInfo(TDes8& aErrorInfo) const;
sl@0
    55
sl@0
    56
    MWTCacheInterface* DirCacheInterface();
sl@0
    57
sl@0
    58
    
sl@0
    59
sl@0
    60
sl@0
    61
private:
sl@0
    62
sl@0
    63
	TDriveInterface&    iDrive;     ///< Driver's interface to access the media
sl@0
    64
    MWTCacheInterface*  ipDirCache; ///< pointer to the FAT Directory cache object
sl@0
    65
    MWTCacheInterface*  iUidCache;  ///< pointer to the UID cache object
sl@0
    66
sl@0
    67
    };
sl@0
    68
sl@0
    69
sl@0
    70
//---------------------------------------------------------------------------------------------------------------------------------
sl@0
    71
sl@0
    72
class CRamDisk : public CRawDisk
sl@0
    73
	{
sl@0
    74
public:
sl@0
    75
	
sl@0
    76
    static CRamDisk* NewL(CFatMountCB& aFatMount);
sl@0
    77
	CRamDisk(CFatMountCB& aFatMount);
sl@0
    78
sl@0
    79
    void InitializeL();
sl@0
    80
public:
sl@0
    81
	void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const;
sl@0
    82
	void WriteCachedL(TInt64 aPos,const TDesC8& aDes);
sl@0
    83
	void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;
sl@0
    84
	void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);
sl@0
    85
sl@0
    86
    
sl@0
    87
sl@0
    88
private:
sl@0
    89
	inline TUint8 *RamDiskBase() const;
sl@0
    90
sl@0
    91
private:
sl@0
    92
	TUint8* iRamDiskBase; ///< pointer to the beginning of the RAM disk memory area
sl@0
    93
	};
sl@0
    94
sl@0
    95
sl@0
    96
//---------------------------------------------------------------------------------------------------------------------------------
sl@0
    97
sl@0
    98
#include "sl_disk.inl"
sl@0
    99
sl@0
   100
#endif //__SL_DISK_H__
sl@0
   101
sl@0
   102
sl@0
   103
sl@0
   104
sl@0
   105
sl@0
   106
sl@0
   107
sl@0
   108
sl@0
   109
sl@0
   110
sl@0
   111
sl@0
   112
sl@0
   113
sl@0
   114