1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Symbian Foundation License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32\include\partitions.h

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21 */

    22 

    23 #ifndef __PARTITIONS_H__

    24 #define __PARTITIONS_H__

    25 #include <e32def.h>

    26 

    27 const TUint KPartitionTypeEmpty=0x00;

    28 const TUint KPartitionTypeFAT12=0x01;

    29 const TUint KPartitionTypeXENIXroot=0x02;

    30 const TUint KPartitionTypeXENIXusr=0x03;

    31 const TUint KPartitionTypeFAT16small=0x04;

    32 const TUint KPartitionTypeExtended=0x05;

    33 const TUint KPartitionTypeFAT16=0x06;

    34 const TUint KPartitionTypeNTFS=0x07;

    35 const TUint KPartitionTypeAIX=0x08;

    36 const TUint KPartitionTypeAIXboot=0x09;

    37 const TUint KPartitionTypeOS2BootManager=0x0a;

    38 const TUint KPartitionTypeWin95FAT32=0x0b;

    39 const TUint KPartitionTypeWin95FAT32LBA=0x0c;

    40 const TUint KPartitionTypeWin95FAT16LBA=0x0e;

    41 const TUint KPartitionTypeWin95ExtdLBA=0x0f;

    42 const TUint KPartitionTypeOPUS=0x10;

    43 const TUint KPartitionTypeHiddenFAT12=0x11;

    44 const TUint KPartitionTypeCompaqDiag=0x12;

    45 const TUint KPartitionTypeHiddenFAT16small=0x14;

    46 const TUint KPartitionTypeHiddenFAT16=0x16;

    47 const TUint KPartitionTypeHiddenNTFS=0x17;

    48 const TUint KPartitionTypeASTSmartSleep=0x18;

    49 const TUint KPartitionTypeHiddenWin95FAT32=0x1b;

    50 const TUint KPartitionTypeHiddenWin95FAT32LBA=0x1c;

    51 const TUint KPartitionTypeHiddenWin95FAT16LBA=0x1e;

    52 const TUint KPartitionTypeNECDOS=0x24;

    53 const TUint KPartitionTypePlan9=0x39;

    54 const TUint KPartitionTypePartitionMagic=0x3c;

    55 const TUint KPartitionTypeVenix80286=0x40;

    56 const TUint KPartitionTypePPCPRePBoot=0x41;

    57 const TUint KPartitionTypeSFS=0x42;

    58 const TUint KPartitionTypeQNX4x=0x4d;

    59 const TUint KPartitionTypeQNX4x_2=0x4e;

    60 const TUint KPartitionTypeQNX4x_3=0x4f;

    61 const TUint KPartitionTypeOnTrackDM=0x50;

    62 const TUint KPartitionTypeOnTrackDM6Aux=0x51;

    63 const TUint KPartitionTypeCPM=0x52;

    64 const TUint KPartitionTypeOnTrackDM6Aux_2=0x53;

    65 const TUint KPartitionTypeOnTrackDM6=0x54;

    66 const TUint KPartitionTypeEZDrive=0x55;

    67 const TUint KPartitionTypeGoldenBow=0x56;

    68 const TUint KPartitionTypePriamEdisk=0x5c;

    69 const TUint KPartitionTypeSpeedStor=0x61;

    70 const TUint KPartitionTypeGNU_HURD=0x63;

    71 const TUint KPartitionTypeNovellNetware=0x64;

    72 const TUint KPartitionTypeNovellNetware_2=0x65;

    73 const TUint KPartitionTypeDiskSecure=0x70;

    74 const TUint KPartitionTypePCIX=0x75;

    75 const TUint KPartitionTypeOldMinix=0x80;

    76 const TUint KPartitionTypeMinixOldLinux=0x81;

    77 const TUint KPartitionTypeLinuxSwap=0x82;

    78 const TUint KPartitionTypeLinux=0x83;

    79 const TUint KPartitionTypeOS2Hidden=0x84;

    80 const TUint KPartitionTypeLinuxExtended=0x85;

    81 const TUint KPartitionTypeNTFSvolset=0x86;

    82 const TUint KPartitionTypeNTFSvolset_2=0x87;

    83 const TUint KPartitionTypeLinuxLVM=0x8e;

    84 const TUint KPartitionTypeAmoeba=0x93;

    85 const TUint KPartitionTypeAmoebaBBT=0x94;

    86 const TUint KPartitionTypeBSD_OS=0x9f;

    87 const TUint KPartitionTypeIBMThinkpad=0xa0;

    88 const TUint KPartitionTypeFreeBSD=0xa5;

    89 const TUint KPartitionTypeOpenBSD=0xa6;

    90 const TUint KPartitionTypeNeXTSTEP=0xa7;

    91 const TUint KPartitionTypeNetBSD=0xa9;

    92 const TUint KPartitionTypeBSDIfs=0xb7;

    93 const TUint KPartitionTypeBSDIswap=0xb8;

    94 const TUint KPartitionTypeBootWizardHidden=0xbb;

    95 const TUint KPartitionTypeDRDOS=0xc1;

    96 const TUint KPartitionTypeDRDOS_2=0xc4;

    97 const TUint KPartitionTypeDRDOS_3=0xc6;

    98 const TUint KPartitionTypeSyrinx=0xc7;

    99 const TUint KPartitionTypeNonFSData=0xda;

   100 const TUint KPartitionTypeCPM_CTOS=0xdb;

   101 const TUint KPartitionTypeDellUtility=0xde;

   102 const TUint KPartitionTypeBootIt=0xdf;

   103 const TUint KPartitionTypeDOSaccess=0xe1;

   104 const TUint KPartitionTypeDOS_RO=0xe3;

   105 const TUint KPartitionTypeSymbianCrashLog=0xf0;

   106 const TUint KPartitionTypeSpeedStor_2=0xf1;

   107 const TUint KPartitionTypeDOSsecondary=0xf2;

   108 const TUint KPartitionTypeSpeedStor_3=0xf4;

   109 const TUint	KPartitionTypeRofs=0xfa;			// HACK

   110 const TUint KPartitionTypeIso9660=0xfb;			// hack

   111 const TUint KPartitionTypeEneaLFFS=0xfc;		// hack

   112 const TUint KPartitionTypeLinuxRaidAuto=0xfd;

   113 const TUint KPartitionTypeLANStep=0xfe;

   114 const TUint KPartitionTypeBBT=0xff;

   115 

   116 inline TBool PartitionIsFAT(TUint a)

   117 	{

   118 	return (

   119 		a==KPartitionTypeFAT12						||

   120 		a==KPartitionTypeFAT16small					||

   121 		a==KPartitionTypeFAT16						||

   122 		a==KPartitionTypeFAT16						||

   123 		a==KPartitionTypeWin95FAT16LBA				||

   124 		a==KPartitionTypeHiddenFAT12				||

   125 		a==KPartitionTypeHiddenFAT16small			||

   126 		a==KPartitionTypeHiddenFAT16				||

   127 		a==KPartitionTypeHiddenWin95FAT16LBA

   128 		);

   129 	}

   130 

   131 inline TBool PartitionIsFAT32(TUint a)

   132 	{

   133 	return (

   134 		a==KPartitionTypeWin95FAT32					||

   135 		a==KPartitionTypeWin95FAT32LBA				||

   136 		a==KPartitionTypeHiddenWin95FAT32			||

   137 		a==KPartitionTypeHiddenWin95FAT32LBA

   138 		);

   139 	}

   140 

   141 inline TBool PartitionIsNTFS(TUint a)

   142 	{

   143 	return (

   144 		a==KPartitionTypeNTFS						||

   145 		a==KPartitionTypeHiddenNTFS

   146 		);

   147 	}

   148 

   149 //

   150 // Entry in MBR partition table

   151 //

   152 const TUint KBootIndicatorBootable=0x80;

   153 

   154 class TMBRPartitionEntry

   155 	{

   156 public:

   157 	TBool IsValidPartition()

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

   159 	TBool IsValidDosPartition()

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

   161 	TBool IsDefaultBootPartition()

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

   163 	TBool IsValidFAT32Partition()

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

   165 public:

   166 	TUint8 iX86BootIndicator;

   167 	TUint8 iStartHead;

   168 	TUint8 iStartSector;

   169 	TUint8 iStartCylinder;

   170 	TUint8 iPartitionType;

   171 	TUint8 iEndHead;

   172 	TUint8 iEndSector;

   173 	TUint8 iEndCylinder;

   174 	TUint32 iFirstSector;

   175 	TUint32 iNumSectors;

   176 	};

   177 

   178 //

   179 // Defines for Master boot record

   180 //

   181 const TUint KMBRFirstPartitionOffset=0x1BE;

   182 const TUint KMBRSignatureOffset=0x1FE;

   183 const TUint KMBRSignature=0xAA55;

   184 const TInt KMBRMaxPrimaryPartitions=4;

   185 

   186 class TMasterBootRecord

   187 	{

   188 public:

   189 	TUint8 iBootCode[KMBRFirstPartitionOffset];

   190 	TMBRPartitionEntry iPartitionEntry[KMBRMaxPrimaryPartitions];

   191 	TUint16 iSignature;

   192 	};

   193 

   194 

   195 

   196 #endif

   197