149 lines
3.0 KiB
C
149 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef AMIGAFFS_H
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#define AMIGAFFS_H
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#include <linux/types.h>
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#include <asm/byteorder.h>
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#define FS_OFS 0x444F5300
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#define FS_FFS 0x444F5301
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#define FS_INTLOFS 0x444F5302
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#define FS_INTLFFS 0x444F5303
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#define FS_DCOFS 0x444F5304
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#define FS_DCFFS 0x444F5305
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#define MUFS_FS 0x6d754653 /* 'muFS' */
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#define MUFS_OFS 0x6d754600 /* 'muF\0' */
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#define MUFS_FFS 0x6d754601 /* 'muF\1' */
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#define MUFS_INTLOFS 0x6d754602 /* 'muF\2' */
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#define MUFS_INTLFFS 0x6d754603 /* 'muF\3' */
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#define MUFS_DCOFS 0x6d754604 /* 'muF\4' */
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#define MUFS_DCFFS 0x6d754605 /* 'muF\5' */
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#define T_SHORT 2
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#define T_LIST 16
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#define T_DATA 8
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#define ST_LINKFILE -4
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#define ST_FILE -3
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#define ST_ROOT 1
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#define ST_USERDIR 2
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#define ST_SOFTLINK 3
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#define ST_LINKDIR 4
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#define AFFS_ROOT_BMAPS 25
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/* Seconds since Amiga epoch of 1978/01/01 to UNIX */
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#define AFFS_EPOCH_DELTA ((8 * 365 + 2) * 86400LL)
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struct affs_date {
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__be32 days;
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__be32 mins;
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__be32 ticks;
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};
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struct affs_short_date {
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__be16 days;
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__be16 mins;
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__be16 ticks;
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};
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struct affs_root_head {
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__be32 ptype;
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__be32 spare1;
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__be32 spare2;
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__be32 hash_size;
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__be32 spare3;
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__be32 checksum;
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__be32 hashtable[1];
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};
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struct affs_root_tail {
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__be32 bm_flag;
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__be32 bm_blk[AFFS_ROOT_BMAPS];
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__be32 bm_ext;
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struct affs_date root_change;
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u8 disk_name[32];
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__be32 spare1;
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__be32 spare2;
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struct affs_date disk_change;
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struct affs_date disk_create;
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__be32 spare3;
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__be32 spare4;
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__be32 dcache;
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__be32 stype;
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};
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struct affs_head {
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__be32 ptype;
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__be32 key;
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__be32 block_count;
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__be32 spare1;
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__be32 first_data;
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__be32 checksum;
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__be32 table[1];
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};
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struct affs_tail {
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__be32 spare1;
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__be16 uid;
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__be16 gid;
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__be32 protect;
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__be32 size;
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u8 comment[92];
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struct affs_date change;
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u8 name[32];
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__be32 spare2;
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__be32 original;
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__be32 link_chain;
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__be32 spare[5];
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__be32 hash_chain;
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__be32 parent;
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__be32 extension;
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__be32 stype;
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};
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struct slink_front
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{
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__be32 ptype;
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__be32 key;
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__be32 spare1[3];
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__be32 checksum;
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u8 symname[1]; /* depends on block size */
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};
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struct affs_data_head
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{
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__be32 ptype;
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__be32 key;
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__be32 sequence;
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__be32 size;
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__be32 next;
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__be32 checksum;
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u8 data[1]; /* depends on block size */
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};
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/* Permission bits */
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#define FIBF_OTR_READ 0x8000
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#define FIBF_OTR_WRITE 0x4000
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#define FIBF_OTR_EXECUTE 0x2000
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#define FIBF_OTR_DELETE 0x1000
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#define FIBF_GRP_READ 0x0800
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#define FIBF_GRP_WRITE 0x0400
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#define FIBF_GRP_EXECUTE 0x0200
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#define FIBF_GRP_DELETE 0x0100
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#define FIBF_HIDDEN 0x0080
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#define FIBF_SCRIPT 0x0040
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#define FIBF_PURE 0x0020 /* no use under linux */
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#define FIBF_ARCHIVED 0x0010 /* never set, always cleared on write */
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#define FIBF_NOREAD 0x0008 /* 0 means allowed */
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#define FIBF_NOWRITE 0x0004 /* 0 means allowed */
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#define FIBF_NOEXECUTE 0x0002 /* 0 means allowed, ignored under linux */
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#define FIBF_NODELETE 0x0001 /* 0 means allowed */
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#define FIBF_OWNER 0x000F /* Bits pertaining to owner */
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#define FIBF_MASK 0xEE0E /* Bits modified by Linux */
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#endif
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