xref: /linux/fs/affs/amigaffs.h (revision f5ef419630e85e80284cd0256cb5a13a66bbd6c5)
1 #ifndef AMIGAFFS_H
2 #define AMIGAFFS_H
3 
4 #include <linux/types.h>
5 #include <asm/byteorder.h>
6 
7 #define FS_OFS		0x444F5300
8 #define FS_FFS		0x444F5301
9 #define FS_INTLOFS	0x444F5302
10 #define FS_INTLFFS	0x444F5303
11 #define FS_DCOFS	0x444F5304
12 #define FS_DCFFS	0x444F5305
13 #define MUFS_FS		0x6d754653   /* 'muFS' */
14 #define MUFS_OFS	0x6d754600   /* 'muF\0' */
15 #define MUFS_FFS	0x6d754601   /* 'muF\1' */
16 #define MUFS_INTLOFS	0x6d754602   /* 'muF\2' */
17 #define MUFS_INTLFFS	0x6d754603   /* 'muF\3' */
18 #define MUFS_DCOFS	0x6d754604   /* 'muF\4' */
19 #define MUFS_DCFFS	0x6d754605   /* 'muF\5' */
20 
21 #define T_SHORT		2
22 #define T_LIST		16
23 #define T_DATA		8
24 
25 #define ST_LINKFILE	-4
26 #define ST_FILE		-3
27 #define ST_ROOT		1
28 #define ST_USERDIR	2
29 #define ST_SOFTLINK	3
30 #define ST_LINKDIR	4
31 
32 #define AFFS_ROOT_BMAPS		25
33 
34 struct affs_date {
35 	__be32 days;
36 	__be32 mins;
37 	__be32 ticks;
38 };
39 
40 struct affs_short_date {
41 	__be16 days;
42 	__be16 mins;
43 	__be16 ticks;
44 };
45 
46 struct affs_root_head {
47 	__be32 ptype;
48 	__be32 spare1;
49 	__be32 spare2;
50 	__be32 hash_size;
51 	__be32 spare3;
52 	__be32 checksum;
53 	__be32 hashtable[1];
54 };
55 
56 struct affs_root_tail {
57 	__be32 bm_flag;
58 	__be32 bm_blk[AFFS_ROOT_BMAPS];
59 	__be32 bm_ext;
60 	struct affs_date root_change;
61 	u8 disk_name[32];
62 	__be32 spare1;
63 	__be32 spare2;
64 	struct affs_date disk_change;
65 	struct affs_date disk_create;
66 	__be32 spare3;
67 	__be32 spare4;
68 	__be32 dcache;
69 	__be32 stype;
70 };
71 
72 struct affs_head {
73 	__be32 ptype;
74 	__be32 key;
75 	__be32 block_count;
76 	__be32 spare1;
77 	__be32 first_data;
78 	__be32 checksum;
79 	__be32 table[1];
80 };
81 
82 struct affs_tail {
83 	__be32 spare1;
84 	__be16 uid;
85 	__be16 gid;
86 	__be32 protect;
87 	__be32 size;
88 	u8 comment[92];
89 	struct affs_date change;
90 	u8 name[32];
91 	__be32 spare2;
92 	__be32 original;
93 	__be32 link_chain;
94 	__be32 spare[5];
95 	__be32 hash_chain;
96 	__be32 parent;
97 	__be32 extension;
98 	__be32 stype;
99 };
100 
101 struct slink_front
102 {
103 	__be32 ptype;
104 	__be32 key;
105 	__be32 spare1[3];
106 	__be32 checksum;
107 	u8 symname[1];	/* depends on block size */
108 };
109 
110 struct affs_data_head
111 {
112 	__be32 ptype;
113 	__be32 key;
114 	__be32 sequence;
115 	__be32 size;
116 	__be32 next;
117 	__be32 checksum;
118 	u8 data[1];	/* depends on block size */
119 };
120 
121 /* Permission bits */
122 
123 #define FIBF_OTR_READ		0x8000
124 #define FIBF_OTR_WRITE		0x4000
125 #define FIBF_OTR_EXECUTE	0x2000
126 #define FIBF_OTR_DELETE		0x1000
127 #define FIBF_GRP_READ		0x0800
128 #define FIBF_GRP_WRITE		0x0400
129 #define FIBF_GRP_EXECUTE	0x0200
130 #define FIBF_GRP_DELETE		0x0100
131 
132 #define FIBF_HIDDEN		0x0080
133 #define FIBF_SCRIPT		0x0040
134 #define FIBF_PURE		0x0020		/* no use under linux */
135 #define FIBF_ARCHIVED		0x0010		/* never set, always cleared on write */
136 #define FIBF_NOREAD		0x0008		/* 0 means allowed */
137 #define FIBF_NOWRITE		0x0004		/* 0 means allowed */
138 #define FIBF_NOEXECUTE		0x0002		/* 0 means allowed, ignored under linux */
139 #define FIBF_NODELETE		0x0001		/* 0 means allowed */
140 
141 #define FIBF_OWNER		0x000F		/* Bits pertaining to owner */
142 #define FIBF_MASK		0xEE0E		/* Bits modified by Linux */
143 
144 #endif
145