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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2000-2001 Christoph Hellwig. | |
1cce1701 | 3 | * Copyright (c) 2016 Krzysztof Blaszkowski |
1da177e4 LT |
4 | * All rights reserved. |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions, and the following disclaimer, | |
11 | * without modification. | |
12 | * 2. The name of the author may not be used to endorse or promote products | |
13 | * derived from this software without specific prior written permission. | |
14 | * | |
15 | * Alternatively, this software may be distributed under the terms of the | |
16 | * GNU General Public License ("GPL"). | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR | |
22 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
28 | * SUCH DAMAGE. | |
29 | * | |
30 | */ | |
31 | #ifndef _VXFS_INODE_H_ | |
32 | #define _VXFS_INODE_H_ | |
33 | ||
34 | /* | |
35 | * Veritas filesystem driver - inode structure. | |
36 | * | |
37 | * This file contains the definition of the disk and core | |
38 | * inodes of the Veritas Filesystem. | |
39 | */ | |
40 | ||
41 | ||
42 | #define VXFS_ISIZE 0x100 /* Inode size */ | |
43 | ||
44 | #define VXFS_NDADDR 10 /* Number of direct addrs in inode */ | |
45 | #define VXFS_NIADDR 2 /* Number of indirect addrs in inode */ | |
46 | #define VXFS_NIMMED 96 /* Size of immediate data in inode */ | |
47 | #define VXFS_NTYPED 6 /* Num of typed extents */ | |
48 | ||
49 | #define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL) | |
50 | #define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL) | |
51 | #define VXFS_TYPED_TYPESHIFT 56 | |
52 | ||
53 | #define VXFS_TYPED_PER_BLOCK(sbp) \ | |
54 | ((sbp)->s_blocksize / sizeof(struct vxfs_typed)) | |
55 | ||
56 | /* | |
57 | * Possible extent descriptor types for %VXFS_ORG_TYPED extents. | |
58 | */ | |
59 | enum { | |
60 | VXFS_TYPED_INDIRECT = 1, | |
61 | VXFS_TYPED_DATA = 2, | |
62 | VXFS_TYPED_INDIRECT_DEV4 = 3, | |
63 | VXFS_TYPED_DATA_DEV4 = 4, | |
64 | }; | |
65 | ||
66 | /* | |
67 | * Data stored immediately in the inode. | |
68 | */ | |
69 | struct vxfs_immed { | |
0d83f7fc | 70 | __u8 vi_immed[VXFS_NIMMED]; |
1da177e4 LT |
71 | }; |
72 | ||
73 | struct vxfs_ext4 { | |
0d83f7fc KB |
74 | __fs32 ve4_spare; /* ?? */ |
75 | __fs32 ve4_indsize; /* Indirect extent size */ | |
76 | __fs32 ve4_indir[VXFS_NIADDR]; /* Indirect extents */ | |
1da177e4 | 77 | struct direct { /* Direct extents */ |
0d83f7fc KB |
78 | __fs32 extent; /* Extent number */ |
79 | __fs32 size; /* Size of extent */ | |
1da177e4 LT |
80 | } ve4_direct[VXFS_NDADDR]; |
81 | }; | |
82 | ||
83 | struct vxfs_typed { | |
0d83f7fc KB |
84 | __fs64 vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ |
85 | __fs32 vt_block; /* Extent block */ | |
86 | __fs32 vt_size; /* Size in blocks */ | |
1da177e4 LT |
87 | }; |
88 | ||
89 | struct vxfs_typed_dev4 { | |
0d83f7fc KB |
90 | __fs64 vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ |
91 | __fs64 vd4_block; /* Extent block */ | |
92 | __fs64 vd4_size; /* Size in blocks */ | |
93 | __fs32 vd4_dev; /* Device ID */ | |
94 | __u8 __pad1; | |
1da177e4 LT |
95 | }; |
96 | ||
97 | /* | |
98 | * The inode as contained on the physical device. | |
99 | */ | |
100 | struct vxfs_dinode { | |
0d83f7fc KB |
101 | __fs32 vdi_mode; |
102 | __fs32 vdi_nlink; /* Link count */ | |
103 | __fs32 vdi_uid; /* UID */ | |
104 | __fs32 vdi_gid; /* GID */ | |
105 | __fs64 vdi_size; /* Inode size in bytes */ | |
106 | __fs32 vdi_atime; /* Last time accessed - sec */ | |
107 | __fs32 vdi_autime; /* Last time accessed - usec */ | |
108 | __fs32 vdi_mtime; /* Last modify time - sec */ | |
109 | __fs32 vdi_mutime; /* Last modify time - usec */ | |
110 | __fs32 vdi_ctime; /* Create time - sec */ | |
111 | __fs32 vdi_cutime; /* Create time - usec */ | |
112 | __u8 vdi_aflags; /* Allocation flags */ | |
113 | __u8 vdi_orgtype; /* Organisation type */ | |
114 | __fs16 vdi_eopflags; | |
115 | __fs32 vdi_eopdata; | |
1da177e4 | 116 | union { |
0d83f7fc KB |
117 | __fs32 rdev; |
118 | __fs32 dotdot; | |
1da177e4 | 119 | struct { |
0d83f7fc KB |
120 | __u32 reserved; |
121 | __fs32 fixextsize; | |
1da177e4 LT |
122 | } i_regular; |
123 | struct { | |
0d83f7fc KB |
124 | __fs32 matchino; |
125 | __fs32 fsetindex; | |
1da177e4 | 126 | } i_vxspec; |
0d83f7fc | 127 | __u64 align; |
1da177e4 | 128 | } vdi_ftarea; |
0d83f7fc KB |
129 | __fs32 vdi_blocks; /* How much blocks does inode occupy */ |
130 | __fs32 vdi_gen; /* Inode generation */ | |
131 | __fs64 vdi_version; /* Version */ | |
1da177e4 LT |
132 | union { |
133 | struct vxfs_immed immed; | |
134 | struct vxfs_ext4 ext4; | |
135 | struct vxfs_typed typed[VXFS_NTYPED]; | |
136 | } vdi_org; | |
0d83f7fc | 137 | __fs32 vdi_iattrino; |
1da177e4 LT |
138 | }; |
139 | ||
140 | #define vdi_rdev vdi_ftarea.rdev | |
141 | #define vdi_dotdot vdi_ftarea.dotdot | |
142 | #define vdi_fixextsize vdi_ftarea.regular.fixextsize | |
143 | #define vdi_matchino vdi_ftarea.vxspec.matchino | |
144 | #define vdi_fsetindex vdi_ftarea.vxspec.fsetindex | |
145 | ||
146 | #define vdi_immed vdi_org.immed | |
147 | #define vdi_ext4 vdi_org.ext4 | |
148 | #define vdi_typed vdi_org.typed | |
149 | ||
150 | ||
151 | /* | |
152 | * The inode as represented in the main memory. | |
1da177e4 | 153 | */ |
0d83f7fc | 154 | struct vxfs_inode_info { |
2f137e31 CH |
155 | struct inode vfs_inode; |
156 | ||
0d83f7fc KB |
157 | __u32 vii_mode; |
158 | __u32 vii_nlink; /* Link count */ | |
159 | __u32 vii_uid; /* UID */ | |
160 | __u32 vii_gid; /* GID */ | |
161 | __u64 vii_size; /* Inode size in bytes */ | |
162 | __u32 vii_atime; /* Last time accessed - sec */ | |
163 | __u32 vii_autime; /* Last time accessed - usec */ | |
164 | __u32 vii_mtime; /* Last modify time - sec */ | |
165 | __u32 vii_mutime; /* Last modify time - usec */ | |
166 | __u32 vii_ctime; /* Create time - sec */ | |
167 | __u32 vii_cutime; /* Create time - usec */ | |
168 | __u8 vii_orgtype; /* Organisation type */ | |
169 | union { | |
170 | __u32 rdev; | |
171 | __u32 dotdot; | |
172 | } vii_ftarea; | |
173 | __u32 vii_blocks; /* How much blocks does inode occupy */ | |
174 | __u32 vii_gen; /* Inode generation */ | |
175 | union { | |
176 | struct vxfs_immed immed; | |
177 | struct vxfs_ext4 ext4; | |
178 | struct vxfs_typed typed[VXFS_NTYPED]; | |
179 | } vii_org; | |
180 | }; | |
181 | ||
182 | #define vii_rdev vii_ftarea.rdev | |
183 | #define vii_dotdot vii_ftarea.dotdot | |
184 | ||
185 | #define vii_immed vii_org.immed | |
186 | #define vii_ext4 vii_org.ext4 | |
187 | #define vii_typed vii_org.typed | |
1da177e4 | 188 | |
2f137e31 CH |
189 | static inline struct vxfs_inode_info *VXFS_INO(struct inode *inode) |
190 | { | |
191 | return container_of(inode, struct vxfs_inode_info, vfs_inode); | |
192 | } | |
193 | ||
1da177e4 | 194 | #endif /* _VXFS_INODE_H_ */ |