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// Copyright (c) 2004-2009 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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// Class declaration for CMassStorageMountCB.
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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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#ifndef __CMASSSTORAGEMOUNTCB_H__
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#define __CMASSSTORAGEMOUNTCB_H__
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#include <f32fsys.h>
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/**
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Mass Storage Mount.
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Only the MountL, Dismounted and Unlock methods are supported. All other methods
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leave with KErrNotReady.
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ControlIO is also supported for debug builds and returns KErrNotSupported for Release builds.
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@internalTechnology
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*/
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class TFatBootSector;
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class CMassStorageMountCB : public CLocDrvMountCB
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{
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public:
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static CMassStorageMountCB* NewL(const RArray<TInt>& aDriveMapping);
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void MountL(TBool aForceMount);
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TInt ReMount();
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void Dismounted();
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void VolumeL(TVolumeInfo& aVolume) const;
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void SetVolumeL(TDes& aName);
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void MkDirL(const TDesC& aName);
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void RmDirL(const TDesC& aName);
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void DeleteL(const TDesC& aName);
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void RenameL(const TDesC& anOldName,const TDesC& anNewName);
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void ReplaceL(const TDesC& anOldName,const TDesC& anNewName);
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void EntryL(const TDesC& aName,TEntry& anEntry) const;
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void SetEntryL(const TDesC& aName,const TTime& aTime,TUint aSetAttMask,TUint aClearAttMask);
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void FileOpenL(const TDesC& aName,TUint aMode,TFileOpen anOpen,CFileCB* aFile);
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void DirOpenL(const TDesC& aName,CDirCB* aDir);
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void RawReadL(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt anOffset, const RMessagePtr2& aMessage) const;
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void RawWriteL(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt anOffset, const RMessagePtr2& aMessage);
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void ReadSectionL(const TDesC& aName, TInt aPos, TAny* aTrg, TInt aLength, const RMessagePtr2& aMessage);
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void GetShortNameL(const TDesC& aLongName,TDes& aShortName);
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void GetLongNameL(const TDesC& aShorName,TDes& aLongName);
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TInt ControlIO(const RMessagePtr2& aMessage,TInt aCommand,TAny* aParam1,TAny* aParam2);
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TInt Unlock(TMediaPassword& aPassword, TBool aStore);
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private:
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CMassStorageMountCB(const RArray<TInt>& aDriveMapping);
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void WritePasswordData();
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TInt DriveNumberToLun(TInt aDriveNumber);
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TBool ValidateBootSector();
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TInt ReadBootSector(TFatBootSector& aBootSector);
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TInt DetermineFatType(TFatBootSector& aBootSector);
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TInt CheckDriveNumberL();
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private:
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TBool iIs16BitFat;
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TBool iIs32BitFat;
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const RArray<TInt>& iDriveMapping;
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};
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const TInt KSizeOfFatBootSector = 90;
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const TInt KVendorIdSize = 8;
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const TInt KVolumeLabelSize = 11;
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const TInt KFileSysTypeSize = 8;
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const TInt KBootSectorSignature = 0xAA55;
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const TInt KSizeOfFatDirEntry = 32;
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/**
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Boot sector parameter block, enables access to all file system parameters.
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Data is populated at mount time from the BPB sector
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@internalTechnology
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*/
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class TFatBootSector
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{
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public:
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inline const TPtrC8 VendorId() const;
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inline TUint16 BytesPerSector() const;
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inline TInt SectorsPerCluster() const;
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inline TInt ReservedSectors() const;
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inline TInt NumberOfFats() const;
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inline TInt RootDirEntries() const;
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inline TInt TotalSectors() const;
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inline TUint8 MediaDescriptor() const;
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inline TInt FatSectors() const;
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inline TInt SectorsPerTrack() const;
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inline TInt NumberOfHeads() const;
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inline TInt HiddenSectors() const;
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inline TInt HugeSectors() const;
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inline TInt PhysicalDriveNumber() const;
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inline TInt ExtendedBootSignature() const;
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inline TUint32 UniqueID() const;
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inline const TPtrC8 VolumeLabel() const;
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inline const TPtrC8 FileSysType() const;
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inline TInt BootSectorSignature() const;
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inline void SetJumpInstruction();
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inline void SetVendorID(const TDesC8& aDes);
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inline void SetBytesPerSector(TInt aBytesPerSector);
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inline void SetSectorsPerCluster(TInt aSectorsPerCluster);
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inline void SetReservedSectors(TInt aReservedSectors);
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inline void SetNumberOfFats(TInt aNumberOfFats);
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inline void SetRootDirEntries(TInt aRootDirEntries);
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inline void SetTotalSectors(TInt aTotalSectors);
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inline void SetMediaDescriptor(TUint8 aMediaDescriptor);
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inline void SetFatSectors(TInt aFatSectors);
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inline void SetSectorsPerTrack(TInt aSectorsPerTrack);
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inline void SetNumberOfHeads(TInt aNumberOfHeads);
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inline void SetHiddenSectors(TUint32 aHiddenSectors);
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inline void SetHugeSectors(TUint32 aTotalSectors);
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inline void SetPhysicalDriveNumber(TInt aPhysicalDriveNumber);
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inline void SetReservedByte(TUint8 aReservedByte);
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inline void SetExtendedBootSignature(TInt anExtendedBootSignature);
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inline void SetUniqueID(TUint32 anUniqueID);
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inline void SetVolumeLabel(const TDesC8& aDes);
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inline void SetFileSysType(const TDesC8& aDes);
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inline void SetFatSectors32(TUint32 aFatSectors32);
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inline void SetFATFlags(TUint16 aFATFlags);
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inline void SetVersionNumber(TUint16 aVersionNumber);
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inline void SetRootClusterNum(TUint32 aRootCusterNum);
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inline void SetFSInfoSectorNum(TUint16 aFSInfoSectorNum);
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inline void SetBkBootRecSector(TUint16 aBkBootRecSector);
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inline TUint32 FatSectors32() const;
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inline TUint16 FATFlags() const;
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inline TUint16 VersionNumber() const;
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inline TUint32 RootClusterNum() const;
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inline TUint16 FSInfoSectorNum() const;
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inline TUint16 BkBootRecSector() const;
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public:
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inline TBool Is16BitFat();
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inline TBool Is32BitFat();
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inline TInt FirstFatSectorPos();
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inline TInt RootDirStartSector();
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inline TInt FirstFreeSector();
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public:
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/**
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Jump instruction used for bootable volumes
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*/
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TUint8 iJumpInstruction[3];
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/**
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Vendor ID of the file system that formatted the volume
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*/
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TUint8 iVendorId[KVendorIdSize];
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/**
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Bytes per sector
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*/
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TUint16 iBytesPerSector;
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/**
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Sectors per cluster ratio
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*/
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TUint8 iSectorsPerCluster;
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/**
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Number of reserved sectors on the volume
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*/
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TUint16 iReservedSectors;
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/**
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Number of Fats on the volume
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*/
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TUint8 iNumberOfFats;
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/**
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Number of entries allowed in the root directory, specific to Fat12/16, zero for FAT32
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*/
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TUint16 iRootDirEntries;
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/**
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Total sectors on the volume, zero for FAT32
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*/
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TUint16 iTotalSectors;
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/**
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Media descriptor
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*/
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TUint8 iMediaDescriptor;
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/**
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Sectors used for the Fat table, zero for FAT32
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*/
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TUint16 iFatSectors;
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/**
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Sectors per track
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*/
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TUint16 iSectorsPerTrack;
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/**
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Number of heads
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*/
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TUint16 iNumberOfHeads;
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/**
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Number of hidden sectors in the volume
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*/
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TUint32 iHiddenSectors;
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/**
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Total sectors in the volume, Used if totalSectors > 65535
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*/
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TUint32 iHugeSectors;
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/**
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Start of additional elements @ offset 36 for FAT32
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Sectors in Fat table for 32 bit volume
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*/
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TUint32 iFatSectors32;
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/**
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Fat flags
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*/
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TUint16 iFATFlags;
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/**
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Version number of the file system
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*/
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TUint16 iVersionNumber;
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/**
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Cluster number of the root directory
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*/
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TUint32 iRootClusterNum;
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/**
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Sector number containing the FSIInfo structure
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*/
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TUint16 iFSInfoSectorNum;
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/**
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Backup boot sector
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*/
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TUint16 iBkBootRecSector;
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/**
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Reserved space
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End of Fat32 Only parameters section
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*/
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TUint8 iReserved2[12];
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/**
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Physical drive number, not used in Symbian OS
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*/
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TUint8 iPhysicalDriveNumber;
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/**
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Reserved byte
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*/
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TUint8 iReserved;
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/**
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Extended boot signiture
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*/
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TUint8 iExtendedBootSignature;
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/**
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Unique volume ID
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*/
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TUint32 iUniqueID;
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/**
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The volume's label
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*/
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TUint8 iVolumeLabel[KVolumeLabelSize];
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/**
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File system type
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*/
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TUint8 iFileSysType[KFileSysTypeSize];
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};
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#include "tfatbootsector.inl"
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#endif //__CMASSSTORAGEMOUNTCB_H__
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