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2788d841 SK |
1 | #ifndef UTIL_LINUX_MINIX_H |
2 | #define UTIL_LINUX_MINIX_H | |
7bf1425a | 3 | |
2788d841 | 4 | #include <stdint.h> |
22853e4a KZ |
5 | |
6 | struct minix_inode { | |
2788d841 SK |
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]; | |
22853e4a KZ |
14 | }; |
15 | ||
16 | struct minix2_inode { | |
2788d841 SK |
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]; | |
22853e4a KZ |
26 | }; |
27 | ||
28 | struct minix_super_block { | |
2788d841 SK |
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; | |
22853e4a KZ |
39 | }; |
40 | ||
0ccdb35b DB |
41 | /* V3 minix super-block data on disk */ |
42 | struct minix3_super_block { | |
2788d841 SK |
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; | |
0ccdb35b DB |
56 | }; |
57 | ||
e9ab36a7 SK |
58 | /* |
59 | * Minix subpartitions are always within primary dos partition. | |
60 | */ | |
c1d26b19 | 61 | #define MINIX_MAXPARTITIONS 4 |
e9ab36a7 | 62 | |
63883af7 | 63 | #define MINIX_BLOCK_SIZE_BITS 10 |
c1d26b19 | 64 | #define MINIX_BLOCK_SIZE (1 << MINIX_BLOCK_SIZE_BITS) |
22853e4a | 65 | |
c1d26b19 KZ |
66 | #define MINIX_NAME_MAX 255 /* # chars in a file name */ |
67 | #define MINIX_MAX_INODES 65535 | |
22853e4a | 68 | |
63883af7 SK |
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))) | |
22853e4a | 71 | |
c1d26b19 KZ |
72 | /* minix_super_block.s_state */ |
73 | #define MINIX_VALID_FS 0x0001 /* Clean fs. */ | |
74 | #define MINIX_ERROR_FS 0x0002 /* fs has errors. */ | |
22853e4a | 75 | |
09daba40 KZ |
76 | |
77 | #define MINIX_SUPER_MAGIC 0x137F /* minix V1 fs, 14 char names */ | |
78 | #define MINIX_SUPER_MAGIC2 0x138F /* minix V1 fs, 30 char names */ | |
79 | ||
80 | #define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs, 14 char names */ | |
e8f26419 | 81 | #define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */ |
09daba40 | 82 | |
0ccdb35b | 83 | #define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */ |
22853e4a | 84 | |
2788d841 | 85 | #endif /* UTIL_LINUX_MINIX_H */ |