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Diffstat (limited to '')
| -rw-r--r-- | include/minix.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/include/minix.h b/include/minix.h new file mode 100644 index 0000000..571d06e --- /dev/null +++ b/include/minix.h @@ -0,0 +1,89 @@ +/* + * No copyright is claimed. This code is in the public domain; do with + * it what you wish. + */ +#ifndef UTIL_LINUX_MINIX_H +#define UTIL_LINUX_MINIX_H + +#include <stdint.h> + +struct minix_inode { + uint16_t i_mode; + uint16_t i_uid; + uint32_t i_size; + uint32_t i_time; + uint8_t i_gid; + uint8_t i_nlinks; + uint16_t i_zone[9]; +}; + +struct minix2_inode { + uint16_t i_mode; + uint16_t i_nlinks; + uint16_t i_uid; + uint16_t i_gid; + uint32_t i_size; + uint32_t i_atime; + uint32_t i_mtime; + uint32_t i_ctime; + uint32_t i_zone[10]; +}; + +struct minix_super_block { + uint16_t s_ninodes; + uint16_t s_nzones; + uint16_t s_imap_blocks; + uint16_t s_zmap_blocks; + uint16_t s_firstdatazone; + uint16_t s_log_zone_size; + uint32_t s_max_size; + uint16_t s_magic; + uint16_t s_state; + uint32_t s_zones; +}; + +/* V3 minix super-block data on disk */ +struct minix3_super_block { + uint32_t s_ninodes; + uint16_t s_pad0; + uint16_t s_imap_blocks; + uint16_t s_zmap_blocks; + uint16_t s_firstdatazone; + uint16_t s_log_zone_size; + uint16_t s_pad1; + uint32_t s_max_size; + uint32_t s_zones; + uint16_t s_magic; + uint16_t s_pad2; + uint16_t s_blocksize; + uint8_t s_disk_version; +}; + +/* + * Minix subpartitions are always within primary dos partition. + */ +#define MINIX_MAXPARTITIONS 4 + +#define MINIX_BLOCK_SIZE_BITS 10 +#define MINIX_BLOCK_SIZE (1 << MINIX_BLOCK_SIZE_BITS) + +#define MINIX_NAME_MAX 255 /* # chars in a file name */ +#define MINIX_MAX_INODES 65535 + +#define MINIX_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix_inode))) +#define MINIX2_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix2_inode))) + +/* minix_super_block.s_state */ +#define MINIX_VALID_FS 0x0001 /* Clean fs. */ +#define MINIX_ERROR_FS 0x0002 /* fs has errors. */ + + +#define MINIX_SUPER_MAGIC 0x137F /* minix V1 fs, 14 char names */ +#define MINIX_SUPER_MAGIC2 0x138F /* minix V1 fs, 30 char names */ + +#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs, 14 char names */ +#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */ + +#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */ + +#endif /* UTIL_LINUX_MINIX_H */ |