1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2000-2001 Christoph Hellwig. |
4 | * Copyright (c) 2016 Krzysztof Blaszkowski |
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 { |
45 | __u8 vi_immed[VXFS_NIMMED]; |
46 | }; |
47 | |
48 | struct vxfs_ext4 { |
49 | __fs32 ve4_spare; /* ?? */ |
50 | __fs32 ve4_indsize; /* Indirect extent size */ |
51 | __fs32 ve4_indir[VXFS_NIADDR]; /* Indirect extents */ |
52 | struct direct { /* Direct extents */ |
53 | __fs32 extent; /* Extent number */ |
54 | __fs32 size; /* Size of extent */ |
55 | } ve4_direct[VXFS_NDADDR]; |
56 | }; |
57 | |
58 | struct vxfs_typed { |
59 | __fs64 vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ |
60 | __fs32 vt_block; /* Extent block */ |
61 | __fs32 vt_size; /* Size in blocks */ |
62 | }; |
63 | |
64 | struct vxfs_typed_dev4 { |
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; |
70 | }; |
71 | |
72 | /* |
73 | * The inode as contained on the physical device. |
74 | */ |
75 | struct vxfs_dinode { |
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; |
91 | union { |
92 | __fs32 rdev; |
93 | __fs32 dotdot; |
94 | struct { |
95 | __u32 reserved; |
96 | __fs32 fixextsize; |
97 | } i_regular; |
98 | struct { |
99 | __fs32 matchino; |
100 | __fs32 fsetindex; |
101 | } i_vxspec; |
102 | __u64 align; |
103 | } vdi_ftarea; |
104 | __fs32 vdi_blocks; /* How much blocks does inode occupy */ |
105 | __fs32 vdi_gen; /* Inode generation */ |
106 | __fs64 vdi_version; /* Version */ |
107 | union { |
108 | struct vxfs_immed immed; |
109 | struct vxfs_ext4 ext4; |
110 | struct vxfs_typed typed[VXFS_NTYPED]; |
111 | } vdi_org; |
112 | __fs32 vdi_iattrino; |
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. |
128 | */ |
129 | struct vxfs_inode_info { |
130 | struct inode vfs_inode; |
131 | |
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 |
163 | |
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 | |
169 | #endif /* _VXFS_INODE_H_ */ |
170 | |