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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef AMIGAFFS_H |
3 | #define AMIGAFFS_H | |
4 | ||
5 | #include <linux/types.h> | |
6 | #include <asm/byteorder.h> | |
7 | ||
8 | #define FS_OFS 0x444F5300 | |
9 | #define FS_FFS 0x444F5301 | |
10 | #define FS_INTLOFS 0x444F5302 | |
11 | #define FS_INTLFFS 0x444F5303 | |
12 | #define FS_DCOFS 0x444F5304 | |
13 | #define FS_DCFFS 0x444F5305 | |
14 | #define MUFS_FS 0x6d754653 /* 'muFS' */ | |
15 | #define MUFS_OFS 0x6d754600 /* 'muF\0' */ | |
16 | #define MUFS_FFS 0x6d754601 /* 'muF\1' */ | |
17 | #define MUFS_INTLOFS 0x6d754602 /* 'muF\2' */ | |
18 | #define MUFS_INTLFFS 0x6d754603 /* 'muF\3' */ | |
19 | #define MUFS_DCOFS 0x6d754604 /* 'muF\4' */ | |
20 | #define MUFS_DCFFS 0x6d754605 /* 'muF\5' */ | |
21 | ||
22 | #define T_SHORT 2 | |
23 | #define T_LIST 16 | |
24 | #define T_DATA 8 | |
25 | ||
26 | #define ST_LINKFILE -4 | |
27 | #define ST_FILE -3 | |
28 | #define ST_ROOT 1 | |
29 | #define ST_USERDIR 2 | |
30 | #define ST_SOFTLINK 3 | |
31 | #define ST_LINKDIR 4 | |
32 | ||
33 | #define AFFS_ROOT_BMAPS 25 | |
34 | ||
35 | struct affs_date { | |
36 | __be32 days; | |
37 | __be32 mins; | |
38 | __be32 ticks; | |
39 | }; | |
40 | ||
41 | struct affs_short_date { | |
42 | __be16 days; | |
43 | __be16 mins; | |
44 | __be16 ticks; | |
45 | }; | |
46 | ||
47 | struct affs_root_head { | |
48 | __be32 ptype; | |
49 | __be32 spare1; | |
50 | __be32 spare2; | |
51 | __be32 hash_size; | |
52 | __be32 spare3; | |
53 | __be32 checksum; | |
54 | __be32 hashtable[1]; | |
55 | }; | |
56 | ||
57 | struct affs_root_tail { | |
58 | __be32 bm_flag; | |
59 | __be32 bm_blk[AFFS_ROOT_BMAPS]; | |
60 | __be32 bm_ext; | |
61 | struct affs_date root_change; | |
62 | u8 disk_name[32]; | |
63 | __be32 spare1; | |
64 | __be32 spare2; | |
65 | struct affs_date disk_change; | |
66 | struct affs_date disk_create; | |
67 | __be32 spare3; | |
68 | __be32 spare4; | |
69 | __be32 dcache; | |
70 | __be32 stype; | |
71 | }; | |
72 | ||
73 | struct affs_head { | |
74 | __be32 ptype; | |
75 | __be32 key; | |
76 | __be32 block_count; | |
77 | __be32 spare1; | |
78 | __be32 first_data; | |
79 | __be32 checksum; | |
80 | __be32 table[1]; | |
81 | }; | |
82 | ||
83 | struct affs_tail { | |
84 | __be32 spare1; | |
85 | __be16 uid; | |
86 | __be16 gid; | |
87 | __be32 protect; | |
88 | __be32 size; | |
89 | u8 comment[92]; | |
90 | struct affs_date change; | |
91 | u8 name[32]; | |
92 | __be32 spare2; | |
93 | __be32 original; | |
94 | __be32 link_chain; | |
95 | __be32 spare[5]; | |
96 | __be32 hash_chain; | |
97 | __be32 parent; | |
98 | __be32 extension; | |
99 | __be32 stype; | |
100 | }; | |
101 | ||
102 | struct slink_front | |
103 | { | |
104 | __be32 ptype; | |
105 | __be32 key; | |
106 | __be32 spare1[3]; | |
107 | __be32 checksum; | |
108 | u8 symname[1]; /* depends on block size */ | |
109 | }; | |
110 | ||
111 | struct affs_data_head | |
112 | { | |
113 | __be32 ptype; | |
114 | __be32 key; | |
115 | __be32 sequence; | |
116 | __be32 size; | |
117 | __be32 next; | |
118 | __be32 checksum; | |
119 | u8 data[1]; /* depends on block size */ | |
120 | }; | |
121 | ||
122 | /* Permission bits */ | |
123 | ||
124 | #define FIBF_OTR_READ 0x8000 | |
125 | #define FIBF_OTR_WRITE 0x4000 | |
126 | #define FIBF_OTR_EXECUTE 0x2000 | |
127 | #define FIBF_OTR_DELETE 0x1000 | |
128 | #define FIBF_GRP_READ 0x0800 | |
129 | #define FIBF_GRP_WRITE 0x0400 | |
130 | #define FIBF_GRP_EXECUTE 0x0200 | |
131 | #define FIBF_GRP_DELETE 0x0100 | |
132 | ||
133 | #define FIBF_HIDDEN 0x0080 | |
134 | #define FIBF_SCRIPT 0x0040 | |
135 | #define FIBF_PURE 0x0020 /* no use under linux */ | |
136 | #define FIBF_ARCHIVED 0x0010 /* never set, always cleared on write */ | |
137 | #define FIBF_NOREAD 0x0008 /* 0 means allowed */ | |
138 | #define FIBF_NOWRITE 0x0004 /* 0 means allowed */ | |
139 | #define FIBF_NOEXECUTE 0x0002 /* 0 means allowed, ignored under linux */ | |
140 | #define FIBF_NODELETE 0x0001 /* 0 means allowed */ | |
141 | ||
142 | #define FIBF_OWNER 0x000F /* Bits pertaining to owner */ | |
143 | #define FIBF_MASK 0xEE0E /* Bits modified by Linux */ | |
144 | ||
145 | #endif |