amigaffs.h

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#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