2 * Copyright (c) 2000-2001 Christoph Hellwig.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. The name of the author may not be used to endorse or promote products
12 * derived from this software without specific prior written permission.
14 * Alternatively, this software may be distributed under the terms of the
15 * GNU General Public License ("GPL").
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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30 #ifndef _VXFS_INODE_H_
31 #define _VXFS_INODE_H_
33 #ident "$Id: vxfs_inode.h,v 1.15 2001/05/26 22:41:23 hch Exp hch $"
36 * Veritas filesystem driver - inode structure.
38 * This file contains the definition of the disk and core
39 * inodes of the Veritas Filesystem.
43 #define VXFS_ISIZE 0x100 /* Inode size */
45 #define VXFS_NDADDR 10 /* Number of direct addrs in inode */
46 #define VXFS_NIADDR 2 /* Number of indirect addrs in inode */
47 #define VXFS_NIMMED 96 /* Size of immediate data in inode */
48 #define VXFS_NTYPED 6 /* Num of typed extents */
50 #define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL)
51 #define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL)
52 #define VXFS_TYPED_TYPESHIFT 56
54 #define VXFS_TYPED_PER_BLOCK(sbp) \
55 ((sbp)->s_blocksize / sizeof(struct vxfs_typed))
58 * Possible extent descriptor types for %VXFS_ORG_TYPED extents.
61 VXFS_TYPED_INDIRECT = 1,
63 VXFS_TYPED_INDIRECT_DEV4 = 3,
64 VXFS_TYPED_DATA_DEV4 = 4,
68 * Data stored immediately in the inode.
71 u_int8_t vi_immed[VXFS_NIMMED];
75 u_int32_t ve4_spare; /* ?? */
76 u_int32_t ve4_indsize; /* Indirect extent size */
77 vx_daddr_t ve4_indir[VXFS_NIADDR]; /* Indirect extents */
78 struct direct { /* Direct extents */
79 vx_daddr_t extent; /* Extent number */
80 int32_t size; /* Size of extent */
81 } ve4_direct[VXFS_NDADDR];
85 u_int64_t vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */
86 vx_daddr_t vt_block; /* Extent block */
87 int32_t vt_size; /* Size in blocks */
90 struct vxfs_typed_dev4 {
91 u_int64_t vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */
92 u_int64_t vd4_block; /* Extent block */
93 u_int64_t vd4_size; /* Size in blocks */
94 int32_t vd4_dev; /* Device ID */
99 * The inode as contained on the physical device.
103 u_int32_t vdi_nlink; /* Link count */
104 u_int32_t vdi_uid; /* UID */
105 u_int32_t vdi_gid; /* GID */
106 u_int64_t vdi_size; /* Inode size in bytes */
107 u_int32_t vdi_atime; /* Last time accessed - sec */
108 u_int32_t vdi_autime; /* Last time accessed - usec */
109 u_int32_t vdi_mtime; /* Last modify time - sec */
110 u_int32_t vdi_mutime; /* Last modify time - usec */
111 u_int32_t vdi_ctime; /* Create time - sec */
112 u_int32_t vdi_cutime; /* Create time - usec */
113 u_int8_t vdi_aflags; /* Allocation flags */
114 u_int8_t vdi_orgtype; /* Organisation type */
115 u_int16_t vdi_eopflags;
116 u_int32_t vdi_eopdata;
122 u_int32_t fixextsize;
130 u_int32_t vdi_blocks; /* How much blocks does inode occupy */
131 u_int32_t vdi_gen; /* Inode generation */
132 u_int64_t vdi_version; /* Version */
134 struct vxfs_immed immed;
135 struct vxfs_ext4 ext4;
136 struct vxfs_typed typed[VXFS_NTYPED];
138 u_int32_t vdi_iattrino;
141 #define vdi_rdev vdi_ftarea.rdev
142 #define vdi_dotdot vdi_ftarea.dotdot
143 #define vdi_fixextsize vdi_ftarea.regular.fixextsize
144 #define vdi_matchino vdi_ftarea.vxspec.matchino
145 #define vdi_fsetindex vdi_ftarea.vxspec.fsetindex
147 #define vdi_immed vdi_org.immed
148 #define vdi_ext4 vdi_org.ext4
149 #define vdi_typed vdi_org.typed
153 * The inode as represented in the main memory.
155 * TBD: This should become a separate structure...
157 #define vxfs_inode_info vxfs_dinode
159 #define vii_mode vdi_mode
160 #define vii_uid vdi_uid
161 #define vii_gid vdi_gid
162 #define vii_nlink vdi_nlink
163 #define vii_size vdi_size
164 #define vii_atime vdi_atime
165 #define vii_ctime vdi_ctime
166 #define vii_mtime vdi_mtime
167 #define vii_blocks vdi_blocks
168 #define vii_org vdi_org
169 #define vii_orgtype vdi_orgtype
170 #define vii_gen vdi_gen
172 #define vii_rdev vdi_ftarea.rdev
173 #define vii_dotdot vdi_ftarea.dotdot
174 #define vii_fixextsize vdi_ftarea.regular.fixextsize
175 #define vii_matchino vdi_ftarea.vxspec.matchino
176 #define vii_fsetindex vdi_ftarea.vxspec.fsetindex
178 #define vii_immed vdi_org.immed
179 #define vii_ext4 vdi_org.ext4
180 #define vii_typed vdi_org.typed
182 #endif /* _VXFS_INODE_H_ */