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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /fs/affs/amigaffs.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/affs/amigaffs.h')
-rw-r--r-- | fs/affs/amigaffs.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/fs/affs/amigaffs.h b/fs/affs/amigaffs.h new file mode 100644 index 0000000000..81fb396d4d --- /dev/null +++ b/fs/affs/amigaffs.h @@ -0,0 +1,148 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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 + +/* Seconds since Amiga epoch of 1978/01/01 to UNIX */ +#define AFFS_EPOCH_DELTA ((8 * 365 + 2) * 86400LL) + +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 |