root/include/linux/amigaffs.h

#ifndef AMIGAFFS_H
#define AMIGAFFS_H

#include <linux/types.h>
#include <asm/byteorder.h>

#define FS_OFS          0x444F5300
#define FS_FFS          0x444F5301
#define FS_INTLOFS      0x444F5302
#define FS_INTLFFS      0x444F5303
#define FS_DCOFS        0x444F5304
#define FS_DCFFS        0x444F5305
#define MUFS_FS         0x6d754653   /* 'muFS' */
#define MUFS_OFS        0x6d754600   /* 'muF\0' */
#define MUFS_FFS        0x6d754601   /* 'muF\1' */
#define MUFS_INTLOFS    0x6d754602   /* 'muF\2' */
#define MUFS_INTLFFS    0x6d754603   /* 'muF\3' */
#define MUFS_DCOFS      0x6d754604   /* 'muF\4' */
#define MUFS_DCFFS      0x6d754605   /* 'muF\5' */

#define T_SHORT         2
#define T_LIST          16
#define T_DATA          8

#define ST_LINKFILE     -4
#define ST_FILE         -3
#define ST_ROOT         1
#define ST_USERDIR      2
#define ST_SOFTLINK     3
#define ST_LINKDIR      4

#define AFFS_ROOT_BMAPS         25

struct affs_date {
        __be32 days;
        __be32 mins;
        __be32 ticks;
};

struct affs_short_date {
        __be16 days;
        __be16 mins;
        __be16 ticks;
};

struct affs_root_head {
        __be32 ptype;
        __be32 spare1;
        __be32 spare2;
        __be32 hash_size;
        __be32 spare3;
        __be32 checksum;
        __be32 hashtable[1];
};

struct affs_root_tail {
        __be32 bm_flag;
        __be32 bm_blk[AFFS_ROOT_BMAPS];
        __be32 bm_ext;
        struct affs_date root_change;
        u8 disk_name[32];
        __be32 spare1;
        __be32 spare2;
        struct affs_date disk_change;
        struct affs_date disk_create;
        __be32 spare3;
        __be32 spare4;
        __be32 dcache;
        __be32 stype;
};

struct affs_head {
        __be32 ptype;
        __be32 key;
        __be32 block_count;
        __be32 spare1;
        __be32 first_data;
        __be32 checksum;
        __be32 table[1];
};

struct affs_tail {
        __be32 spare1;
        __be16 uid;
        __be16 gid;
        __be32 protect;
        __be32 size;
        u8 comment[92];
        struct affs_date change;
        u8 name[32];
        __be32 spare2;
        __be32 original;
        __be32 link_chain;
        __be32 spare[5];
        __be32 hash_chain;
        __be32 parent;
        __be32 extension;
        __be32 stype;
};

struct slink_front
{
        __be32 ptype;
        __be32 key;
        __be32 spare1[3];
        __be32 checksum;
        u8 symname[1];  /* depends on block size */
};

struct affs_data_head
{
        __be32 ptype;
        __be32 key;
        __be32 sequence;
        __be32 size;
        __be32 next;
        __be32 checksum;
        u8 data[1];     /* depends on block size */
};

/* Permission bits */

#define FIBF_OTR_READ           0x8000
#define FIBF_OTR_WRITE          0x4000
#define FIBF_OTR_EXECUTE        0x2000
#define FIBF_OTR_DELETE         0x1000
#define FIBF_GRP_READ           0x0800
#define FIBF_GRP_WRITE          0x0400
#define FIBF_GRP_EXECUTE        0x0200
#define FIBF_GRP_DELETE         0x0100

#define FIBF_HIDDEN             0x0080
#define FIBF_SCRIPT             0x0040
#define FIBF_PURE               0x0020          /* no use under linux */
#define FIBF_ARCHIVED           0x0010          /* never set, always cleared on write */
#define FIBF_NOREAD             0x0008          /* 0 means allowed */
#define FIBF_NOWRITE            0x0004          /* 0 means allowed */
#define FIBF_NOEXECUTE          0x0002          /* 0 means allowed, ignored under linux */
#define FIBF_NODELETE           0x0001          /* 0 means allowed */

#define FIBF_OWNER              0x000F          /* Bits pertaining to owner */
#define FIBF_MASK               0xEE0E          /* Bits modified by Linux */

#endif