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0b1e987c | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
1da177e4 LT |
2 | /* |
3 | * Copyright (c) 2000-2001 Christoph Hellwig. | |
1cce1701 | 4 | * Copyright (c) 2016 Krzysztof Blaszkowski |
1da177e4 LT |
5 | */ |
6 | #ifndef _VXFS_INODE_H_ | |
7 | #define _VXFS_INODE_H_ | |
8 | ||
9 | /* | |
10 | * Veritas filesystem driver - inode structure. | |
11 | * | |
12 | * This file contains the definition of the disk and core | |
13 | * inodes of the Veritas Filesystem. | |
14 | */ | |
15 | ||
16 | ||
17 | #define VXFS_ISIZE 0x100 /* Inode size */ | |
18 | ||
19 | #define VXFS_NDADDR 10 /* Number of direct addrs in inode */ | |
20 | #define VXFS_NIADDR 2 /* Number of indirect addrs in inode */ | |
21 | #define VXFS_NIMMED 96 /* Size of immediate data in inode */ | |
22 | #define VXFS_NTYPED 6 /* Num of typed extents */ | |
23 | ||
24 | #define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL) | |
25 | #define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL) | |
26 | #define VXFS_TYPED_TYPESHIFT 56 | |
27 | ||
28 | #define VXFS_TYPED_PER_BLOCK(sbp) \ | |
29 | ((sbp)->s_blocksize / sizeof(struct vxfs_typed)) | |
30 | ||
31 | /* | |
32 | * Possible extent descriptor types for %VXFS_ORG_TYPED extents. | |
33 | */ | |
34 | enum { | |
35 | VXFS_TYPED_INDIRECT = 1, | |
36 | VXFS_TYPED_DATA = 2, | |
37 | VXFS_TYPED_INDIRECT_DEV4 = 3, | |
38 | VXFS_TYPED_DATA_DEV4 = 4, | |
39 | }; | |
40 | ||
41 | /* | |
42 | * Data stored immediately in the inode. | |
43 | */ | |
44 | struct vxfs_immed { | |
0d83f7fc | 45 | __u8 vi_immed[VXFS_NIMMED]; |
1da177e4 LT |
46 | }; |
47 | ||
48 | struct vxfs_ext4 { | |
0d83f7fc KB |
49 | __fs32 ve4_spare; /* ?? */ |
50 | __fs32 ve4_indsize; /* Indirect extent size */ | |
51 | __fs32 ve4_indir[VXFS_NIADDR]; /* Indirect extents */ | |
1da177e4 | 52 | struct direct { /* Direct extents */ |
0d83f7fc KB |
53 | __fs32 extent; /* Extent number */ |
54 | __fs32 size; /* Size of extent */ | |
1da177e4 LT |
55 | } ve4_direct[VXFS_NDADDR]; |
56 | }; | |
57 | ||
58 | struct vxfs_typed { | |
0d83f7fc KB |
59 | __fs64 vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ |
60 | __fs32 vt_block; /* Extent block */ | |
61 | __fs32 vt_size; /* Size in blocks */ | |
1da177e4 LT |
62 | }; |
63 | ||
64 | struct vxfs_typed_dev4 { | |
0d83f7fc KB |
65 | __fs64 vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ |
66 | __fs64 vd4_block; /* Extent block */ | |
67 | __fs64 vd4_size; /* Size in blocks */ | |
68 | __fs32 vd4_dev; /* Device ID */ | |
69 | __u8 __pad1; | |
1da177e4 LT |
70 | }; |
71 | ||
72 | /* | |
73 | * The inode as contained on the physical device. | |
74 | */ | |
75 | struct vxfs_dinode { | |
0d83f7fc KB |
76 | __fs32 vdi_mode; |
77 | __fs32 vdi_nlink; /* Link count */ | |
78 | __fs32 vdi_uid; /* UID */ | |
79 | __fs32 vdi_gid; /* GID */ | |
80 | __fs64 vdi_size; /* Inode size in bytes */ | |
81 | __fs32 vdi_atime; /* Last time accessed - sec */ | |
82 | __fs32 vdi_autime; /* Last time accessed - usec */ | |
83 | __fs32 vdi_mtime; /* Last modify time - sec */ | |
84 | __fs32 vdi_mutime; /* Last modify time - usec */ | |
85 | __fs32 vdi_ctime; /* Create time - sec */ | |
86 | __fs32 vdi_cutime; /* Create time - usec */ | |
87 | __u8 vdi_aflags; /* Allocation flags */ | |
88 | __u8 vdi_orgtype; /* Organisation type */ | |
89 | __fs16 vdi_eopflags; | |
90 | __fs32 vdi_eopdata; | |
1da177e4 | 91 | union { |
0d83f7fc KB |
92 | __fs32 rdev; |
93 | __fs32 dotdot; | |
1da177e4 | 94 | struct { |
0d83f7fc KB |
95 | __u32 reserved; |
96 | __fs32 fixextsize; | |
1da177e4 LT |
97 | } i_regular; |
98 | struct { | |
0d83f7fc KB |
99 | __fs32 matchino; |
100 | __fs32 fsetindex; | |
1da177e4 | 101 | } i_vxspec; |
0d83f7fc | 102 | __u64 align; |
1da177e4 | 103 | } vdi_ftarea; |
0d83f7fc KB |
104 | __fs32 vdi_blocks; /* How much blocks does inode occupy */ |
105 | __fs32 vdi_gen; /* Inode generation */ | |
106 | __fs64 vdi_version; /* Version */ | |
1da177e4 LT |
107 | union { |
108 | struct vxfs_immed immed; | |
109 | struct vxfs_ext4 ext4; | |
110 | struct vxfs_typed typed[VXFS_NTYPED]; | |
111 | } vdi_org; | |
0d83f7fc | 112 | __fs32 vdi_iattrino; |
1da177e4 LT |
113 | }; |
114 | ||
115 | #define vdi_rdev vdi_ftarea.rdev | |
116 | #define vdi_dotdot vdi_ftarea.dotdot | |
117 | #define vdi_fixextsize vdi_ftarea.regular.fixextsize | |
118 | #define vdi_matchino vdi_ftarea.vxspec.matchino | |
119 | #define vdi_fsetindex vdi_ftarea.vxspec.fsetindex | |
120 | ||
121 | #define vdi_immed vdi_org.immed | |
122 | #define vdi_ext4 vdi_org.ext4 | |
123 | #define vdi_typed vdi_org.typed | |
124 | ||
125 | ||
126 | /* | |
127 | * The inode as represented in the main memory. | |
1da177e4 | 128 | */ |
0d83f7fc | 129 | struct vxfs_inode_info { |
2f137e31 CH |
130 | struct inode vfs_inode; |
131 | ||
0d83f7fc KB |
132 | __u32 vii_mode; |
133 | __u32 vii_nlink; /* Link count */ | |
134 | __u32 vii_uid; /* UID */ | |
135 | __u32 vii_gid; /* GID */ | |
136 | __u64 vii_size; /* Inode size in bytes */ | |
137 | __u32 vii_atime; /* Last time accessed - sec */ | |
138 | __u32 vii_autime; /* Last time accessed - usec */ | |
139 | __u32 vii_mtime; /* Last modify time - sec */ | |
140 | __u32 vii_mutime; /* Last modify time - usec */ | |
141 | __u32 vii_ctime; /* Create time - sec */ | |
142 | __u32 vii_cutime; /* Create time - usec */ | |
143 | __u8 vii_orgtype; /* Organisation type */ | |
144 | union { | |
145 | __u32 rdev; | |
146 | __u32 dotdot; | |
147 | } vii_ftarea; | |
148 | __u32 vii_blocks; /* How much blocks does inode occupy */ | |
149 | __u32 vii_gen; /* Inode generation */ | |
150 | union { | |
151 | struct vxfs_immed immed; | |
152 | struct vxfs_ext4 ext4; | |
153 | struct vxfs_typed typed[VXFS_NTYPED]; | |
154 | } vii_org; | |
155 | }; | |
156 | ||
157 | #define vii_rdev vii_ftarea.rdev | |
158 | #define vii_dotdot vii_ftarea.dotdot | |
159 | ||
160 | #define vii_immed vii_org.immed | |
161 | #define vii_ext4 vii_org.ext4 | |
162 | #define vii_typed vii_org.typed | |
1da177e4 | 163 | |
2f137e31 CH |
164 | static inline struct vxfs_inode_info *VXFS_INO(struct inode *inode) |
165 | { | |
166 | return container_of(inode, struct vxfs_inode_info, vfs_inode); | |
167 | } | |
168 | ||
1da177e4 | 169 | #endif /* _VXFS_INODE_H_ */ |