core/fs/iso9660/iso9660_fs.h

   1 #ifndef ISO9660_FS_H
   2 #define ISO9660_FS_H
   3
   4 #include <klibc/compiler.h>
   5 #include <stdint.h>
   6
   7 /* Boot info table */
   8 struct iso_boot_info {
   9     uint32_t pvd;               /* LBA of primary volume descriptor */
  10     uint32_t file;              /* LBA of boot file */
  11     uint32_t length;            /* Length of boot file */
  12     uint32_t csum;              /* Checksum of boot file */
  13     uint32_t reserved[10];      /* Currently unused */
  14 };
  15
  16 extern struct iso_boot_info iso_boot_info; /* In isolinux.asm */
  17
  18 /* The root dir entry offset in the primary volume descriptor */
  19 #define ROOT_DIR_OFFSET   156
  20
  21 struct iso_dir_entry {
  22     uint8_t length;                         /* 00 */
  23     uint8_t ext_attr_length;                /* 01 */
  24     uint32_t extent_le;                     /* 02 */
  25     uint32_t extent_be;                     /* 06 */
  26     uint32_t size_le;                       /* 0a */
  27     uint32_t size_be;                       /* 0e */
  28     uint8_t date[7];                        /* 12 */
  29     uint8_t flags;                          /* 19 */
  30     uint8_t file_unit_size;                 /* 1a */
  31     uint8_t interleave;                     /* 1b */
  32     uint16_t volume_sequence_number_le;     /* 1c */
  33     uint16_t volume_sequence_number_be;     /* 1e */
  34     uint8_t name_len;                       /* 20 */
  35     char    name[0];                        /* 21 */
  36 } __packed;
  37
  38 struct iso_sb_info {
  39     struct iso_dir_entry root;
  40
  41     int do_rr;       /* 1 , 2 = try to process Rock Ridge info , 0 = do not.
  42                         2 indicates that the id of RRIP 1.12 was found.
  43                      */
  44     int susp_skip;   /* Skip length from SUSP entry SP */
  45 };
  46
  47 /*
  48  * iso9660 private inode information
  49  */
  50 struct iso9660_pvt_inode {
  51     uint32_t lba;               /* Starting LBA of file data area*/
  52 };
  53
  54 #define PVT(i) ((struct iso9660_pvt_inode *)((i)->pvt))
  55
  56 #endif /* iso9660_fs.h */