1 /* 2 * Copyright (c) 2000-2001 Christoph Hellwig. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 14 * Alternatively, this software may be distributed under the terms of the 15 * GNU General Public License ("GPL"). 16 * 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 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 #ifndef _VXFS_INODE_H_ 31 #define _VXFS_INODE_H_ 32 33 #ident "$Id: vxfs_inode.h,v 1.15 2001/05/26 22:41:23 hch Exp hch $" 34 35 /* 36 * Veritas filesystem driver - inode structure. 37 * 38 * This file contains the definition of the disk and core 39 * inodes of the Veritas Filesystem. 40 */ 41 42 43 #define VXFS_ISIZE 0x100 /* Inode size */ 44 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 */ 49 50 #define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL) 51 #define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL) 52 #define VXFS_TYPED_TYPESHIFT 56 53 54 #define VXFS_TYPED_PER_BLOCK(sbp) \ 55 ((sbp)->s_blocksize / sizeof(struct vxfs_typed)) 56 57 /* 58 * Possible extent descriptor types for %VXFS_ORG_TYPED extents. 59 */ 60 enum { 61 VXFS_TYPED_INDIRECT = 1, 62 VXFS_TYPED_DATA = 2, 63 VXFS_TYPED_INDIRECT_DEV4 = 3, 64 VXFS_TYPED_DATA_DEV4 = 4, 65 }; 66 67 /* 68 * Data stored immediately in the inode. 69 */ 70 struct vxfs_immed { 71 u_int8_t vi_immed[VXFS_NIMMED]; 72 }; 73 74 struct vxfs_ext4 { 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]; 82 }; 83 84 struct vxfs_typed { 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 */ 88 }; 89 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 */ 95 u_int32_t __pad1; 96 }; 97 98 /* 99 * The inode as contained on the physical device. 100 */ 101 struct vxfs_dinode { 102 int32_t vdi_mode; 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; 117 union { 118 u_int32_t rdev; 119 u_int32_t dotdot; 120 struct { 121 u_int32_t reserved; 122 u_int32_t fixextsize; 123 } i_regular; 124 struct { 125 u_int32_t matchino; 126 u_int32_t fsetindex; 127 } i_vxspec; 128 u_int64_t align; 129 } vdi_ftarea; 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 */ 133 union { 134 struct vxfs_immed immed; 135 struct vxfs_ext4 ext4; 136 struct vxfs_typed typed[VXFS_NTYPED]; 137 } vdi_org; 138 u_int32_t vdi_iattrino; 139 }; 140 141 #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 146 147 #define vdi_immed vdi_org.immed 148 #define vdi_ext4 vdi_org.ext4 149 #define vdi_typed vdi_org.typed 150 151 152 /* 153 * The inode as represented in the main memory. 154 * 155 * TBD: This should become a separate structure... 156 */ 157 #define vxfs_inode_info vxfs_dinode 158 159 #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 171 172 #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 177 178 #define vii_immed vdi_org.immed 179 #define vii_ext4 vdi_org.ext4 180 #define vii_typed vdi_org.typed 181 182 #endif /* _VXFS_INODE_H_ */ 183