mirror of
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80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
#define MINIX_ROOT_INO 1
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/* Not the same as the bogus LINK_MAX in <linux/limits.h>. Oh well. */
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#define MINIX_LINK_MAX 250
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#define MINIX_I_MAP_SLOTS 8
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#define MINIX_Z_MAP_SLOTS 64
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#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
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#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
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#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */
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#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
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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_INODES_PER_BLOCK ((BLOCKSIZE)/(sizeof (struct minix_inode)))
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#define MINIX2_INODES_PER_BLOCK ((BLOCKSIZE)/(sizeof (struct minix2_inode)))
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#define MINIX_V1 0x0001 /* original minix fs */
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#define MINIX_V2 0x0002 /* minix V2 fs */
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/*
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* This is the original minix inode layout on disk.
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* Note the 8-bit gid and atime and ctime.
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*/
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struct minix_inode {
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unsigned short int i_mode;
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unsigned short int i_uid;
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unsigned long i_size;
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unsigned long i_time;
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unsigned char i_gid;
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unsigned char i_nlinks;
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unsigned short int i_zone[9];
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};
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/*
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* The new minix inode has all the time entries, as well as
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* long block numbers and a third indirect block (7+1+1+1
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* instead of 7+1+1). Also, some previously 8-bit values are
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* now 16-bit. The inode is now 64 bytes instead of 32.
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*/
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struct minix2_inode {
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unsigned short int i_mode;
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unsigned short int i_nlinks;
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unsigned short int i_uid;
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unsigned short int i_gid;
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unsigned long i_size;
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unsigned long i_atime;
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unsigned long i_mtime;
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unsigned long i_ctime;
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unsigned long i_zone[10];
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};
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/*
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* minix super-block data on disk
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*/
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struct minix_super_block {
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unsigned short int s_ninodes;
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unsigned short int s_nzones;
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unsigned short int s_imap_blocks;
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unsigned short int s_zmap_blocks;
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unsigned short int s_firstdatazone;
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unsigned short int s_log_zone_size;
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unsigned long s_max_size;
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unsigned short int s_magic;
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unsigned short int s_state;
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unsigned long s_zones;
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};
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struct minix_dir_entry {
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unsigned short int inode;
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char name[0];
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};
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#define MINIX_DIR_ENTRY_SIZE (sizeof(struct minix_dir_entry)+30)
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BOOLEAN MinixReadSector(IN PDEVICE_OBJECT pDeviceObject,
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IN ULONG DiskSector,
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IN UCHAR* Buffer);
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#define BLOCKSIZE (1024)
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