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gerrit-public.fairphone.software / kernel / msm-4.19 / 95ef498d977bf44ac094778fd448b98af158a3e6 / . / fs / affs / amigaffs.h
blob: f9bef905665927551acd4034370a902e6441981b [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +0100[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
35struct affs_date {
36 __be32 days;
37 __be32 mins;
38 __be32 ticks;
39};
40
41struct affs_short_date {
42 __be16 days;
43 __be16 mins;
44 __be16 ticks;
45};
46
47struct 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
57struct 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
73struct 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
83struct 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
102struct 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
111struct 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