1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2001 4 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch. 5 */ 6 #ifndef _PART_CD_H 7 #define _PART_CD_H 8 9 #define BRVD 0x11 10 #define PVD_OFFSET 0x10 11 12 13 typedef struct iso_boot_rec { 14 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 15 unsigned char stand_ident[5]; /* "CD001" */ 16 unsigned char vers; /* Version */ 17 char ident_str[0x20]; /* Ident String "EL TORITO SPECIFICATION" */ 18 unsigned char unused[0x20]; /* unused */ 19 unsigned char pointer[4]; /* absolute pointer to Boot Catalog */ 20 } iso_boot_rec_t; 21 22 23 typedef struct iso_pri_rec { 24 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 25 unsigned char stand_ident[5]; /* "CD001" */ 26 unsigned char vers; /* Version */ 27 unsigned char unused; 28 char sysid[32]; /* system Identifier */ 29 char volid[32]; /* volume Identifier */ 30 unsigned char zeros1[8]; /* unused */ 31 unsigned int volsiz_LE; /* volume size Little Endian */ 32 unsigned int volsiz_BE; /* volume size Big Endian */ 33 unsigned char zeros2[32]; /* unused */ 34 unsigned short setsize_LE; /* volume set size LE */ 35 unsigned short setsize_BE; /* volume set size BE */ 36 unsigned short seqnum_LE; /* volume sequence number LE */ 37 unsigned short seqnum_BE; /* volume sequence number BE */ 38 unsigned short secsize_LE; /* sector size LE */ 39 unsigned short secsize_BE; /* sector size BE */ 40 unsigned int pathtablen_LE;/* Path Table size LE */ 41 unsigned int pathtablen_BE;/* Path Table size BE */ 42 unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */ 43 unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */ 44 unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */ 45 unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */ 46 unsigned char rootdir[34]; /* directory record for root dir */ 47 char volsetid[128];/* Volume set identifier */ 48 char pubid[128]; /* Publisher identifier */ 49 char dataprepid[128]; /* data preparer identifier */ 50 char appid[128]; /* application identifier */ 51 char copyr[37]; /* copyright string */ 52 char abstractfileid[37]; /* abstract file identifier */ 53 char bibliofileid[37]; /* bibliographic file identifier */ 54 unsigned char creationdate[17]; /* creation date */ 55 unsigned char modify[17]; /* modification date */ 56 unsigned char expire[17]; /* expiring date */ 57 unsigned char effective[17];/* effective date */ 58 unsigned char filestruc_ver; /* file structur version */ 59 } iso_pri_rec_t; 60 61 typedef struct iso_sup_rec { 62 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 63 unsigned char stand_ident[5]; /* "CD001" */ 64 unsigned char vers; /* Version */ 65 unsigned char volumeflags; /* if bit 0 = 0 => all escape sequences are according ISO 2375 */ 66 char sysid[32]; /* system Identifier */ 67 char volid[32]; /* volume Identifier */ 68 unsigned char zeros1[8]; /* unused */ 69 unsigned int volsiz_LE; /* volume size Little Endian */ 70 unsigned int volsiz_BE; /* volume size Big Endian */ 71 unsigned char escapeseq[32];/* Escape sequences */ 72 unsigned short setsize_LE; /* volume set size LE */ 73 unsigned short setsize_BE; /* volume set size BE */ 74 unsigned short seqnum_LE; /* volume sequence number LE */ 75 unsigned short seqnum_BE; /* volume sequence number BE */ 76 unsigned short secsize_LE; /* sector size LE */ 77 unsigned short secsize_BE; /* sector size BE */ 78 unsigned int pathtablen_LE;/* Path Table size LE */ 79 unsigned int pathtablen_BE;/* Path Table size BE */ 80 unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */ 81 unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */ 82 unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */ 83 unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */ 84 unsigned char rootdir[34]; /* directory record for root dir */ 85 char volsetid[128];/* Volume set identifier */ 86 char pubid[128]; /* Publisher identifier */ 87 char dataprepid[128]; /* data preparer identifier */ 88 char appid[128]; /* application identifier */ 89 char copyr[37]; /* copyright string */ 90 char abstractfileid[37]; /* abstract file identifier */ 91 char bibliofileid[37]; /* bibliographic file identifier */ 92 unsigned char creationdate[17]; /* creation date */ 93 unsigned char modify[17]; /* modification date */ 94 unsigned char expire[17]; /* expiring date */ 95 unsigned char effective[17];/* effective date */ 96 unsigned char filestruc_ver; /* file structur version */ 97 }iso_sup_rec_t; 98 99 typedef struct iso_part_rec { 100 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 101 unsigned char stand_ident[5]; /* "CD001" */ 102 unsigned char vers; /* Version */ 103 unsigned char unused; 104 char sysid[32]; /* system Identifier */ 105 char volid[32]; /* volume partition Identifier */ 106 unsigned int partloc_LE; /* volume partition location LE */ 107 unsigned int partloc_BE; /* volume partition location BE */ 108 unsigned int partsiz_LE; /* volume partition size LE */ 109 unsigned int partsiz_BE; /* volume partition size BE */ 110 }iso_part_rec_t; 111 112 113 typedef struct iso_val_entry { 114 unsigned char header_id; /* Header ID must be 0x01 */ 115 unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */ 116 unsigned char res[2]; /* reserved */ 117 char manu_str[0x18]; /* Ident String of manufacturer/developer */ 118 unsigned char chk_sum[2]; /* Check sum (all words must be zero) */ 119 unsigned char key[2]; /* key[0]=55, key[1]=0xAA */ 120 } iso_val_entry_t; 121 122 typedef struct iso_header_entry { 123 unsigned char header_id; /* Header ID must be 0x90 or 0x91 */ 124 unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */ 125 unsigned char numentry[2]; /* number of entries */ 126 char id_str[0x1C]; /* Ident String of sectionr */ 127 } iso_header_entry_t; 128 129 130 typedef struct iso_init_def_entry { 131 unsigned char boot_ind; /* Boot indicator 0x88=bootable 0=not bootable */ 132 unsigned char boot_media; /* boot Media Type: 0=no Emulation, 1=1.2MB floppy, 2=1.44MB floppy, 3=2.88MB floppy 4=hd (0x80) */ 133 unsigned char ld_seg[2]; /* Load segment (flat model=addr/10) */ 134 unsigned char systype; /* System Type copy of byte5 of part table */ 135 unsigned char res; /* reserved */ 136 unsigned char sec_cnt[2]; /* sector count in VIRTUAL Blocks (0x200) */ 137 unsigned char rel_block_addr[4]; /* relative Block address */ 138 } iso_init_def_entry_t; 139 140 141 void print_partition_cd(int dev); 142 143 #endif /* _PART_CD_H */ 144