86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
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#ifndef UTIL_LINUX_MINIX_H
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#define UTIL_LINUX_MINIX_H
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#include <stdint.h>
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struct minix_inode {
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uint16_t i_mode;
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uint16_t i_uid;
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uint32_t i_size;
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uint32_t i_time;
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uint8_t i_gid;
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uint8_t i_nlinks;
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uint16_t i_zone[9];
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};
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struct minix2_inode {
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uint16_t i_mode;
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uint16_t i_nlinks;
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uint16_t i_uid;
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uint16_t i_gid;
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uint32_t i_size;
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uint32_t i_atime;
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uint32_t i_mtime;
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uint32_t i_ctime;
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uint32_t i_zone[10];
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};
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struct minix_super_block {
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uint16_t s_ninodes;
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uint16_t s_nzones;
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uint16_t s_imap_blocks;
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uint16_t s_zmap_blocks;
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uint16_t s_firstdatazone;
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uint16_t s_log_zone_size;
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uint32_t s_max_size;
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uint16_t s_magic;
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uint16_t s_state;
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uint32_t s_zones;
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};
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/* V3 minix super-block data on disk */
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struct minix3_super_block {
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uint32_t s_ninodes;
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uint16_t s_pad0;
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uint16_t s_imap_blocks;
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uint16_t s_zmap_blocks;
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uint16_t s_firstdatazone;
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uint16_t s_log_zone_size;
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uint16_t s_pad1;
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uint32_t s_max_size;
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uint32_t s_zones;
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uint16_t s_magic;
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uint16_t s_pad2;
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uint16_t s_blocksize;
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uint8_t s_disk_version;
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};
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/*
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* Minix subpartitions are always within primary dos partition.
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*/
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#define MINIX_MAXPARTITIONS 4
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#define MINIX_BLOCK_SIZE_BITS 10
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#define MINIX_BLOCK_SIZE (1 << MINIX_BLOCK_SIZE_BITS)
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#define MINIX_NAME_MAX 255 /* # chars in a file name */
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#define MINIX_MAX_INODES 65535
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#define MINIX_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix_inode)))
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#define MINIX2_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix2_inode)))
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/* minix_super_block.s_state */
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#define MINIX_VALID_FS 0x0001 /* Clean fs. */
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#define MINIX_ERROR_FS 0x0002 /* fs has errors. */
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#define MINIX_SUPER_MAGIC 0x137F /* minix V1 fs, 14 char names */
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#define MINIX_SUPER_MAGIC2 0x138F /* minix V1 fs, 30 char names */
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#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs, 14 char names */
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#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
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#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */
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#endif /* UTIL_LINUX_MINIX_H */
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