1/* 2 * Copyright (c) 2000-2001 Christoph Hellwig. 3 * Copyright (c) 2016 Krzysztof Blaszkowski 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 */ 59enum { 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 */ 69struct vxfs_immed { 70 __u8 vi_immed[VXFS_NIMMED]; 71}; 72 73struct vxfs_ext4 { 74 __fs32 ve4_spare; /* ?? */ 75 __fs32 ve4_indsize; /* Indirect extent size */ 76 __fs32 ve4_indir[VXFS_NIADDR]; /* Indirect extents */ 77 struct direct { /* Direct extents */ 78 __fs32 extent; /* Extent number */ 79 __fs32 size; /* Size of extent */ 80 } ve4_direct[VXFS_NDADDR]; 81}; 82 83struct vxfs_typed { 84 __fs64 vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ 85 __fs32 vt_block; /* Extent block */ 86 __fs32 vt_size; /* Size in blocks */ 87}; 88 89struct vxfs_typed_dev4 { 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; 95}; 96 97/* 98 * The inode as contained on the physical device. 99 */ 100struct vxfs_dinode { 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; 116 union { 117 __fs32 rdev; 118 __fs32 dotdot; 119 struct { 120 __u32 reserved; 121 __fs32 fixextsize; 122 } i_regular; 123 struct { 124 __fs32 matchino; 125 __fs32 fsetindex; 126 } i_vxspec; 127 __u64 align; 128 } vdi_ftarea; 129 __fs32 vdi_blocks; /* How much blocks does inode occupy */ 130 __fs32 vdi_gen; /* Inode generation */ 131 __fs64 vdi_version; /* Version */ 132 union { 133 struct vxfs_immed immed; 134 struct vxfs_ext4 ext4; 135 struct vxfs_typed typed[VXFS_NTYPED]; 136 } vdi_org; 137 __fs32 vdi_iattrino; 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. 153 */ 154struct vxfs_inode_info { 155 struct inode vfs_inode; 156 157 __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 188 189static inline struct vxfs_inode_info *VXFS_INO(struct inode *inode) 190{ 191 return container_of(inode, struct vxfs_inode_info, vfs_inode); 192} 193 194#endif /* _VXFS_INODE_H_ */ 195