libc/kernel/uapi/linux/iso_fs.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ***   To edit the content of this header, modify the corresponding
 ***   source file (e.g. under external/kernel-headers/original/) then
 ***   run bionic/libc/kernel/tools/update_all.py
 ***
 ***   Any manual change here will be lost the next time this script will
 ***   be run. You've been warned!
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _ISOFS_FS_H
#define _ISOFS_FS_H
#include <linux/types.h>
#include <linux/magic.h>
#define ISODCL(from,to) (to - from + 1)
struct iso_volume_descriptor {
  char type[ISODCL(1, 1)];
  char id[ISODCL(2, 6)];
  char version[ISODCL(7, 7)];
  char data[ISODCL(8, 2048)];
};
#define ISO_VD_PRIMARY 1
#define ISO_VD_SUPPLEMENTARY 2
#define ISO_VD_END 255
#define ISO_STANDARD_ID "CD001"
struct iso_primary_descriptor {
  char type[ISODCL(1, 1)];
  char id[ISODCL(2, 6)];
  char version[ISODCL(7, 7)];
  char unused1[ISODCL(8, 8)];
  char system_id[ISODCL(9, 40)];
  char volume_id[ISODCL(41, 72)];
  char unused2[ISODCL(73, 80)];
  char volume_space_size[ISODCL(81, 88)];
  char unused3[ISODCL(89, 120)];
  char volume_set_size[ISODCL(121, 124)];
  char volume_sequence_number[ISODCL(125, 128)];
  char logical_block_size[ISODCL(129, 132)];
  char path_table_size[ISODCL(133, 140)];
  char type_l_path_table[ISODCL(141, 144)];
  char opt_type_l_path_table[ISODCL(145, 148)];
  char type_m_path_table[ISODCL(149, 152)];
  char opt_type_m_path_table[ISODCL(153, 156)];
  char root_directory_record[ISODCL(157, 190)];
  char volume_set_id[ISODCL(191, 318)];
  char publisher_id[ISODCL(319, 446)];
  char preparer_id[ISODCL(447, 574)];
  char application_id[ISODCL(575, 702)];
  char copyright_file_id[ISODCL(703, 739)];
  char abstract_file_id[ISODCL(740, 776)];
  char bibliographic_file_id[ISODCL(777, 813)];
  char creation_date[ISODCL(814, 830)];
  char modification_date[ISODCL(831, 847)];
  char expiration_date[ISODCL(848, 864)];
  char effective_date[ISODCL(865, 881)];
  char file_structure_version[ISODCL(882, 882)];
  char unused4[ISODCL(883, 883)];
  char application_data[ISODCL(884, 1395)];
  char unused5[ISODCL(1396, 2048)];
};
struct iso_supplementary_descriptor {
  char type[ISODCL(1, 1)];
  char id[ISODCL(2, 6)];
  char version[ISODCL(7, 7)];
  char flags[ISODCL(8, 8)];
  char system_id[ISODCL(9, 40)];
  char volume_id[ISODCL(41, 72)];
  char unused2[ISODCL(73, 80)];
  char volume_space_size[ISODCL(81, 88)];
  char escape[ISODCL(89, 120)];
  char volume_set_size[ISODCL(121, 124)];
  char volume_sequence_number[ISODCL(125, 128)];
  char logical_block_size[ISODCL(129, 132)];
  char path_table_size[ISODCL(133, 140)];
  char type_l_path_table[ISODCL(141, 144)];
  char opt_type_l_path_table[ISODCL(145, 148)];
  char type_m_path_table[ISODCL(149, 152)];
  char opt_type_m_path_table[ISODCL(153, 156)];
  char root_directory_record[ISODCL(157, 190)];
  char volume_set_id[ISODCL(191, 318)];
  char publisher_id[ISODCL(319, 446)];
  char preparer_id[ISODCL(447, 574)];
  char application_id[ISODCL(575, 702)];
  char copyright_file_id[ISODCL(703, 739)];
  char abstract_file_id[ISODCL(740, 776)];
  char bibliographic_file_id[ISODCL(777, 813)];
  char creation_date[ISODCL(814, 830)];
  char modification_date[ISODCL(831, 847)];
  char expiration_date[ISODCL(848, 864)];
  char effective_date[ISODCL(865, 881)];
  char file_structure_version[ISODCL(882, 882)];
  char unused4[ISODCL(883, 883)];
  char application_data[ISODCL(884, 1395)];
  char unused5[ISODCL(1396, 2048)];
};
#define HS_STANDARD_ID "CDROM"
struct hs_volume_descriptor {
  char foo[ISODCL(1, 8)];
  char type[ISODCL(9, 9)];
  char id[ISODCL(10, 14)];
  char version[ISODCL(15, 15)];
  char data[ISODCL(16, 2048)];
};
struct hs_primary_descriptor {
  char foo[ISODCL(1, 8)];
  char type[ISODCL(9, 9)];
  char id[ISODCL(10, 14)];
  char version[ISODCL(15, 15)];
  char unused1[ISODCL(16, 16)];
  char system_id[ISODCL(17, 48)];
  char volume_id[ISODCL(49, 80)];
  char unused2[ISODCL(81, 88)];
  char volume_space_size[ISODCL(89, 96)];
  char unused3[ISODCL(97, 128)];
  char volume_set_size[ISODCL(129, 132)];
  char volume_sequence_number[ISODCL(133, 136)];
  char logical_block_size[ISODCL(137, 140)];
  char path_table_size[ISODCL(141, 148)];
  char type_l_path_table[ISODCL(149, 152)];
  char unused4[ISODCL(153, 180)];
  char root_directory_record[ISODCL(181, 214)];
};
struct iso_path_table {
  unsigned char name_len[2];
  char extent[4];
  char parent[2];
  char name[0];
} __attribute__((packed));
struct iso_directory_record {
  char length[ISODCL(1, 1)];
  char ext_attr_length[ISODCL(2, 2)];
  char extent[ISODCL(3, 10)];
  char size[ISODCL(11, 18)];
  char date[ISODCL(19, 25)];
  char flags[ISODCL(26, 26)];
  char file_unit_size[ISODCL(27, 27)];
  char interleave[ISODCL(28, 28)];
  char volume_sequence_number[ISODCL(29, 32)];
  unsigned char name_len[ISODCL(33, 33)];
  char name[0];
} __attribute__((packed));
#define ISOFS_BLOCK_BITS 11
#define ISOFS_BLOCK_SIZE 2048
#define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize)
#define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits)
#endif