os/kernelhwsrv/userlibandfileserver/fileserver/sfat/sl_disk.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// f32\sfat\inc\sl_disk.h
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// 
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//
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/**
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 @file
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 @internalTechnology
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*/
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//!!
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//!! WARNING!! DO NOT edit this file !! '\sfat' component is obsolete and is not being used. '\sfat32'replaces it
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//!!
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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#if !defined(__SL_DISK_H__)
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#define __SL_DISK_H__
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#include "sl_std.h"
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//---------------------------------------------------------------------------------------------------------------------------------
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class MWTCacheInterface;
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class CAtaDisk : public CRawDisk
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    {
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public:
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    static CAtaDisk* NewL(CFatMountCB& aFatMount);
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     CAtaDisk(CFatMountCB& aFatMount);
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    ~CAtaDisk();
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    void ConstructL();  
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    void InitializeL();
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public:
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    void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const; 
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    void WriteCachedL(TInt64 aPos,const TDesC8& aDes);
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    void InvalidateUidCache();
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    virtual void InvalidateUidCachePage(TUint64 aPos);
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    void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;
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    void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);
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    virtual TInt GetLastErrorInfo(TDes8& aErrorInfo) const;
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    MWTCacheInterface* DirCacheInterface();
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private:
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    TFatDriveInterface& iDrive;     ///< Driver's interface to access the media
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    MWTCacheInterface*  ipDirCache; ///< pointer to the FAT Directory cache object
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    MWTCacheInterface*  iUidCache;  ///< pointer to the UID cache object
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    };
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//---------------------------------------------------------------------------------------------------------------------------------
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class CRamDisk : public CRawDisk
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    {
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public:
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    static CRamDisk* NewL(CFatMountCB& aFatMount);
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    CRamDisk(CFatMountCB& aFatMount);
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    void InitializeL();
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public:
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    void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const;
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    void WriteCachedL(TInt64 aPos,const TDesC8& aDes);
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    void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;
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    void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);
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private:
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    inline TUint8 *RamDiskBase() const;
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private:
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    TUint8* iRamDiskBase; ///< pointer to the beginning of the RAM disk memory area
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    };
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//---------------------------------------------------------------------------------------------------------------------------------
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#include "sl_disk.inl"
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#endif //__SL_DISK_H__
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