| bigbiff bigbiff | e60683a | 2013-02-22 20:55:50 -0500 | [diff] [blame] | 1 | #ifndef UTIL_LINUX_MINIX_H |
| 2 | #define UTIL_LINUX_MINIX_H |
| 3 | |
| 4 | #include <stdint.h> |
| 5 | |
| 6 | struct minix_inode { |
| 7 | uint16_t i_mode; |
| 8 | uint16_t i_uid; |
| 9 | uint32_t i_size; |
| 10 | uint32_t i_time; |
| 11 | uint8_t i_gid; |
| 12 | uint8_t i_nlinks; |
| 13 | uint16_t i_zone[9]; |
| 14 | }; |
| 15 | |
| 16 | struct minix2_inode { |
| 17 | uint16_t i_mode; |
| 18 | uint16_t i_nlinks; |
| 19 | uint16_t i_uid; |
| 20 | uint16_t i_gid; |
| 21 | uint32_t i_size; |
| 22 | uint32_t i_atime; |
| 23 | uint32_t i_mtime; |
| 24 | uint32_t i_ctime; |
| 25 | uint32_t i_zone[10]; |
| 26 | }; |
| 27 | |
| 28 | struct minix_super_block { |
| 29 | uint16_t s_ninodes; |
| 30 | uint16_t s_nzones; |
| 31 | uint16_t s_imap_blocks; |
| 32 | uint16_t s_zmap_blocks; |
| 33 | uint16_t s_firstdatazone; |
| 34 | uint16_t s_log_zone_size; |
| 35 | uint32_t s_max_size; |
| 36 | uint16_t s_magic; |
| 37 | uint16_t s_state; |
| 38 | uint32_t s_zones; |
| 39 | }; |
| 40 | |
| 41 | /* V3 minix super-block data on disk */ |
| 42 | struct minix3_super_block { |
| 43 | uint32_t s_ninodes; |
| 44 | uint16_t s_pad0; |
| 45 | uint16_t s_imap_blocks; |
| 46 | uint16_t s_zmap_blocks; |
| 47 | uint16_t s_firstdatazone; |
| 48 | uint16_t s_log_zone_size; |
| 49 | uint16_t s_pad1; |
| 50 | uint32_t s_max_size; |
| 51 | uint32_t s_zones; |
| 52 | uint16_t s_magic; |
| 53 | uint16_t s_pad2; |
| 54 | uint16_t s_blocksize; |
| 55 | uint8_t s_disk_version; |
| 56 | }; |
| 57 | |
| 58 | /* |
| 59 | * Minix subpartitions are always within primary dos partition. |
| 60 | */ |
| 61 | #define MINIX_MAXPARTITIONS 4 |
| 62 | |
| 63 | #define MINIX_BLOCK_SIZE_BITS 10 |
| 64 | #define MINIX_BLOCK_SIZE (1 << MINIX_BLOCK_SIZE_BITS) |
| 65 | |
| 66 | #define MINIX_NAME_MAX 255 /* # chars in a file name */ |
| 67 | #define MINIX_MAX_INODES 65535 |
| 68 | |
| 69 | #define MINIX_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix_inode))) |
| 70 | #define MINIX2_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix2_inode))) |
| 71 | |
| 72 | /* minix_super_block.s_state */ |
| 73 | #define MINIX_VALID_FS 0x0001 /* Clean fs. */ |
| 74 | #define MINIX_ERROR_FS 0x0002 /* fs has errors. */ |
| 75 | |
| 76 | #define MINIX_SUPER_MAGIC 0x137F /* original minix fs */ |
| 77 | #define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */ |
| 78 | #define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */ |
| 79 | #define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */ |
| 80 | #define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */ |
| 81 | |
| 82 | #endif /* UTIL_LINUX_MINIX_H */ |