// 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