minix/fs/isofs/super.h

   1 /* This file contains the definitions of ISO9660 volume descriptors. */
   2 #include "inode.h"
   3
   4 #define VD_BOOT_RECORD 0
   5 #define VD_PRIMARY 1
   6 #define VD_SUPPL 2
   7 #define VD_PART 3
   8 #define VD_SET_TERM 255
   9
  10 #define MAX_ATTEMPTS 20         /* # attempts to read the volume descriptors.
  11                                  * After it gives up */
  12
  13 /* Structure for the primary volume descriptor. */
  14 struct iso9660_vol_pri_desc {
  15         /*
  16          * On-disk structure format of the primary volume descriptor,
  17          * 2048 bytes long. See ISO specs for details.
  18          */
  19         u8_t vd_type;
  20         char standard_id[ISO9660_SIZE_STANDARD_ID];
  21         u8_t vd_version;
  22         u8_t pad1;
  23         char system_id[ISO9660_SIZE_SYS_ID];
  24         char volume_id[ISO9660_SIZE_VOLUME_ID];
  25         u8_t pad2[8];
  26         u32_t volume_space_size_l;
  27         u32_t volume_space_size_m;
  28         u8_t pad3[32];
  29         u16_t volume_set_size_l;
  30         u16_t volume_set_size_m;
  31         u16_t volume_sequence_number_l;
  32         u16_t volume_sequence_number_m;
  33         u16_t logical_block_size_l;
  34         u16_t logical_block_size_m;
  35         u32_t path_table_size_l;
  36         u32_t path_table_size_m;
  37         u32_t loc_l_occ_path_table;
  38         u32_t loc_opt_l_occ_path_table;
  39         u32_t loc_m_occ_path_table;
  40         u32_t loc_opt_m_occ_path_table;
  41         u8_t root_directory[34];
  42         char volume_set_id[ISO9660_SIZE_VOLUME_SET_ID];
  43         char publisher_id[ISO9660_SIZE_PUBLISHER_ID];
  44         char data_preparer_id[ISO9660_SIZE_DATA_PREP_ID];
  45         char application_id[ISO9660_SIZE_APPL_ID];
  46         char copyright_file_id[ISO9660_SIZE_COPYRIGHT_FILE_ID];
  47         char abstract_file_id[ISO9660_SIZE_ABSTRACT_FILE_ID];
  48         char bibl_file_id[ISO9660_SIZE_BIBL_FILE_ID];
  49         char volume_cre_date[ISO9660_SIZE_DATE17];
  50         char volume_mod_date[ISO9660_SIZE_DATE17];
  51         char volume_exp_date[ISO9660_SIZE_DATE17];
  52         char volume_eff_date[ISO9660_SIZE_DATE17];
  53         u8_t file_struct_ver;
  54         u8_t reserved1;
  55         u8_t application_use[512];
  56         u8_t reserved2[652];
  57
  58         /* End of the on-disk structure format. */
  59
  60         struct inode *inode_root;
  61         int i_count;
  62 } __attribute__((packed)) v_pri;
  63