// Copyright (c) 1995-2009 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:

// e32\include\partitions.h

// 

//

/**

 @file

 @internalTechnology

*/

#ifndef __PARTITIONS_H__

#define __PARTITIONS_H__

#include <e32def.h>

const TUint KPartitionTypeEmpty=0x00;

const TUint KPartitionTypeFAT12=0x01;

const TUint KPartitionTypeXENIXroot=0x02;

const TUint KPartitionTypeXENIXusr=0x03;

const TUint KPartitionTypeFAT16small=0x04;

const TUint KPartitionTypeExtended=0x05;

const TUint KPartitionTypeFAT16=0x06;

const TUint KPartitionTypeNTFS=0x07;

const TUint KPartitionTypeAIX=0x08;

const TUint KPartitionTypeAIXboot=0x09;

const TUint KPartitionTypeOS2BootManager=0x0a;

const TUint KPartitionTypeWin95FAT32=0x0b;

const TUint KPartitionTypeWin95FAT32LBA=0x0c;

const TUint KPartitionTypeWin95FAT16LBA=0x0e;

const TUint KPartitionTypeWin95ExtdLBA=0x0f;

const TUint KPartitionTypeOPUS=0x10;

const TUint KPartitionTypeHiddenFAT12=0x11;

const TUint KPartitionTypeCompaqDiag=0x12;

const TUint KPartitionTypeHiddenFAT16small=0x14;

const TUint KPartitionTypeHiddenFAT16=0x16;

const TUint KPartitionTypeHiddenNTFS=0x17;

const TUint KPartitionTypeASTSmartSleep=0x18;

const TUint KPartitionTypeHiddenWin95FAT32=0x1b;

const TUint KPartitionTypeHiddenWin95FAT32LBA=0x1c;

const TUint KPartitionTypeHiddenWin95FAT16LBA=0x1e;

const TUint KPartitionTypeNECDOS=0x24;

const TUint KPartitionTypePlan9=0x39;

const TUint KPartitionTypePartitionMagic=0x3c;

const TUint KPartitionTypeVenix80286=0x40;

const TUint KPartitionTypePPCPRePBoot=0x41;

const TUint KPartitionTypeSFS=0x42;

const TUint KPartitionTypeQNX4x=0x4d;

const TUint KPartitionTypeQNX4x_2=0x4e;

const TUint KPartitionTypeQNX4x_3=0x4f;

const TUint KPartitionTypeOnTrackDM=0x50;

const TUint KPartitionTypeOnTrackDM6Aux=0x51;

const TUint KPartitionTypeCPM=0x52;

const TUint KPartitionTypeOnTrackDM6Aux_2=0x53;

const TUint KPartitionTypeOnTrackDM6=0x54;

const TUint KPartitionTypeEZDrive=0x55;

const TUint KPartitionTypeGoldenBow=0x56;

const TUint KPartitionTypePriamEdisk=0x5c;

const TUint KPartitionTypeSpeedStor=0x61;

const TUint KPartitionTypeGNU_HURD=0x63;

const TUint KPartitionTypeNovellNetware=0x64;

const TUint KPartitionTypeNovellNetware_2=0x65;

const TUint KPartitionTypeDiskSecure=0x70;

const TUint KPartitionTypePCIX=0x75;

const TUint KPartitionTypeOldMinix=0x80;

const TUint KPartitionTypeMinixOldLinux=0x81;

const TUint KPartitionTypeLinuxSwap=0x82;

const TUint KPartitionTypeLinux=0x83;

const TUint KPartitionTypeOS2Hidden=0x84;

const TUint KPartitionTypeLinuxExtended=0x85;

const TUint KPartitionTypeNTFSvolset=0x86;

const TUint KPartitionTypeNTFSvolset_2=0x87;

const TUint KPartitionTypeLinuxLVM=0x8e;

const TUint KPartitionTypeAmoeba=0x93;

const TUint KPartitionTypeAmoebaBBT=0x94;

const TUint KPartitionTypeBSD_OS=0x9f;

const TUint KPartitionTypeIBMThinkpad=0xa0;

const TUint KPartitionTypeFreeBSD=0xa5;

const TUint KPartitionTypeOpenBSD=0xa6;

const TUint KPartitionTypeNeXTSTEP=0xa7;

const TUint KPartitionTypeNetBSD=0xa9;

const TUint KPartitionTypeBSDIfs=0xb7;

const TUint KPartitionTypeBSDIswap=0xb8;

const TUint KPartitionTypeBootWizardHidden=0xbb;

const TUint KPartitionTypeDRDOS=0xc1;

const TUint KPartitionTypeDRDOS_2=0xc4;

const TUint KPartitionTypeDRDOS_3=0xc6;

const TUint KPartitionTypeSyrinx=0xc7;

const TUint KPartitionTypeNonFSData=0xda;

const TUint KPartitionTypeCPM_CTOS=0xdb;

const TUint KPartitionTypeDellUtility=0xde;

const TUint KPartitionTypeBootIt=0xdf;

const TUint KPartitionTypeDOSaccess=0xe1;

const TUint KPartitionTypeDOS_RO=0xe3;

const TUint KPartitionTypeSymbianCrashLog=0xf0;

const TUint KPartitionTypeSpeedStor_2=0xf1;

const TUint KPartitionTypeDOSsecondary=0xf2;

const TUint KPartitionTypeSpeedStor_3=0xf4;

const TUint	KPartitionTypePagedData=0xf8;		// Symbian defined 

const TUint	KPartitionTypeROM=0xf9;				// Symbian defined 

const TUint	KPartitionTypeRofs=0xfa;			// Symbian defined 

const TUint KPartitionTypeIso9660=0xfb;			// Symbian defined 

const TUint KPartitionTypeEneaLFFS=0xfc;		// Symbian defined 

const TUint KPartitionTypeLinuxRaidAuto=0xfd;

const TUint KPartitionTypeLANStep=0xfe;

const TUint KPartitionTypeBBT=0xff;

inline TBool PartitionIsFAT(TUint a)

	{

	return (

		a==KPartitionTypeFAT12						||

		a==KPartitionTypeFAT16small					||

		a==KPartitionTypeFAT16						||

		a==KPartitionTypeFAT16						||

		a==KPartitionTypeWin95FAT16LBA				||

		a==KPartitionTypeHiddenFAT12				||

		a==KPartitionTypeHiddenFAT16small			||

		a==KPartitionTypeHiddenFAT16				||

		a==KPartitionTypeHiddenWin95FAT16LBA

		);

	}

inline TBool PartitionIsFAT32(TUint a)

	{

	return (

		a==KPartitionTypeWin95FAT32					||

		a==KPartitionTypeWin95FAT32LBA				||

		a==KPartitionTypeHiddenWin95FAT32			||

		a==KPartitionTypeHiddenWin95FAT32LBA

		);

	}

inline TBool PartitionIsNTFS(TUint a)

	{

	return (

		a==KPartitionTypeNTFS						||

		a==KPartitionTypeHiddenNTFS

		);

	}

//

// Entry in MBR partition table

//

const TUint KBootIndicatorBootable=0x80;

class TMBRPartitionEntry

	{

public:

	TBool IsValidPartition()

		{ return (iNumSectors>0 && iPartitionType!=KPartitionTypeEmpty); }

	TBool IsValidDosPartition()

		{ return (iNumSectors>0 && PartitionIsFAT(iPartitionType)); }

	TBool IsDefaultBootPartition()

		{ return(iX86BootIndicator==KBootIndicatorBootable && (IsValidDosPartition() || IsValidFAT32Partition())); }

	TBool IsValidFAT32Partition()

		{ return (iNumSectors>0 && PartitionIsFAT32(iPartitionType)); }

	TBool IsValidExFATPartition()

		{ return (iNumSectors>0 && PartitionIsNTFS(iPartitionType)); }

public:

	TUint8 iX86BootIndicator;

	TUint8 iStartHead;

	TUint8 iStartSector;

	TUint8 iStartCylinder;

	TUint8 iPartitionType;

	TUint8 iEndHead;

	TUint8 iEndSector;

	TUint8 iEndCylinder;

	TUint32 iFirstSector;

	TUint32 iNumSectors;

	};

//

// Defines for Master boot record

//

const TUint KMBRFirstPartitionOffset=0x1BE;

const TUint KMBRSignatureOffset=0x1FE;

const TUint KMBRSignature=0xAA55;

const TInt KMBRMaxPrimaryPartitions=4;

class TMasterBootRecord

	{

public:

	TUint8 iBootCode[KMBRFirstPartitionOffset];

	TMBRPartitionEntry iPartitionEntry[KMBRMaxPrimaryPartitions];

	TUint16 iSignature;

	};

#endif