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
34struct affs_date {
35	__be32 days;
36	__be32 mins;
37	__be32 ticks;
38};
39
40struct affs_short_date {
41	__be16 days;
42	__be16 mins;
43	__be16 ticks;
44};
45
46struct 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
56struct 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
72struct 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
82struct 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
101struct 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
110struct 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