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author | Karel Zak | 2011-07-21 11:26:42 +0200 |
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committer | Karel Zak | 2011-07-21 11:26:42 +0200 |
commit | e844147d17337ffa492ad8ca4887e1e0112ec409 (patch) | |
tree | 6b5f4ec4e5ccbc69e830dde7356dda976e243b7a /include/minix.h | |
parent | libmount: fix mtab update for "none" source (diff) | |
parent | libblkid: move MINIX_MAXPARTITIONS to minix.h (diff) | |
download | kernel-qcow2-util-linux-e844147d17337ffa492ad8ca4887e1e0112ec409.tar.gz kernel-qcow2-util-linux-e844147d17337ffa492ad8ca4887e1e0112ec409.tar.xz kernel-qcow2-util-linux-e844147d17337ffa492ad8ca4887e1e0112ec409.zip |
Merge branch 'minix' of https://github.com/kerolasa/lelux-utiliteetit
* 'minix' of https://github.com/kerolasa/lelux-utiliteetit:
libblkid: move MINIX_MAXPARTITIONS to minix.h
minix: move globals and inline functions to minix_programs.h
libblkid: use MINIX_BLOCK_SIZE from minix.h
libblkid: use superblock structure from minix.h
include: move minix.h to include directory
include: remove kernel headers from minix.h
include: minix.h: use data types from stdint.h
Conflicts:
disk-utils/Makefile.am
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'include/minix.h')
-rw-r--r-- | include/minix.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/minix.h b/include/minix.h new file mode 100644 index 000000000..920b38e53 --- /dev/null +++ b/include/minix.h @@ -0,0 +1,97 @@ +#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 NAME_MAX 255 /* # chars in a file name */ +#define 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))) + +#define MINIX_VALID_FS 0x0001 /* Clean fs. */ +#define MINIX_ERROR_FS 0x0002 /* fs has errors. */ + +#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */ +#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */ +#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */ +#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */ +#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */ + +#define Inode (((struct minix_inode *) inode_buffer)-1) +#define Inode2 (((struct minix2_inode *) inode_buffer)-1) + +#define INODE_SIZE (sizeof(struct minix_inode)) +#define INODE2_SIZE (sizeof(struct minix2_inode)) + +#define BITS_PER_BLOCK (MINIX_BLOCK_SIZE<<3) + +#define UPPER(size,n) ((size+((n)-1))/(n)) + +/* + * wrappers to different superblock attributes + */ +#define Super (*(struct minix_super_block *)super_block_buffer) +#define Super3 (*(struct minix3_super_block *)super_block_buffer) + +#endif /* UTIL_LINUX_MINIX_H */ |