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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | /* * Copyright (c) 2000-2001 Christoph Hellwig. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL"). * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #ifndef _VXFS_INODE_H_ #define _VXFS_INODE_H_ /* * Veritas filesystem driver - inode structure. * * This file contains the definition of the disk and core * inodes of the Veritas Filesystem. */ #define VXFS_ISIZE 0x100 /* Inode size */ #define VXFS_NDADDR 10 /* Number of direct addrs in inode */ #define VXFS_NIADDR 2 /* Number of indirect addrs in inode */ #define VXFS_NIMMED 96 /* Size of immediate data in inode */ #define VXFS_NTYPED 6 /* Num of typed extents */ #define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL) #define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL) #define VXFS_TYPED_TYPESHIFT 56 #define VXFS_TYPED_PER_BLOCK(sbp) \ ((sbp)->s_blocksize / sizeof(struct vxfs_typed)) /* * Possible extent descriptor types for %VXFS_ORG_TYPED extents. */ enum { VXFS_TYPED_INDIRECT = 1, VXFS_TYPED_DATA = 2, VXFS_TYPED_INDIRECT_DEV4 = 3, VXFS_TYPED_DATA_DEV4 = 4, }; /* * Data stored immediately in the inode. */ struct vxfs_immed { u_int8_t vi_immed[VXFS_NIMMED]; }; struct vxfs_ext4 { u_int32_t ve4_spare; /* ?? */ u_int32_t ve4_indsize; /* Indirect extent size */ vx_daddr_t ve4_indir[VXFS_NIADDR]; /* Indirect extents */ struct direct { /* Direct extents */ vx_daddr_t extent; /* Extent number */ int32_t size; /* Size of extent */ } ve4_direct[VXFS_NDADDR]; }; struct vxfs_typed { u_int64_t vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ vx_daddr_t vt_block; /* Extent block */ int32_t vt_size; /* Size in blocks */ }; struct vxfs_typed_dev4 { u_int64_t vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ u_int64_t vd4_block; /* Extent block */ u_int64_t vd4_size; /* Size in blocks */ int32_t vd4_dev; /* Device ID */ u_int32_t __pad1; }; /* * The inode as contained on the physical device. */ struct vxfs_dinode { int32_t vdi_mode; u_int32_t vdi_nlink; /* Link count */ u_int32_t vdi_uid; /* UID */ u_int32_t vdi_gid; /* GID */ u_int64_t vdi_size; /* Inode size in bytes */ u_int32_t vdi_atime; /* Last time accessed - sec */ u_int32_t vdi_autime; /* Last time accessed - usec */ u_int32_t vdi_mtime; /* Last modify time - sec */ u_int32_t vdi_mutime; /* Last modify time - usec */ u_int32_t vdi_ctime; /* Create time - sec */ u_int32_t vdi_cutime; /* Create time - usec */ u_int8_t vdi_aflags; /* Allocation flags */ u_int8_t vdi_orgtype; /* Organisation type */ u_int16_t vdi_eopflags; u_int32_t vdi_eopdata; union { u_int32_t rdev; u_int32_t dotdot; struct { u_int32_t reserved; u_int32_t fixextsize; } i_regular; struct { u_int32_t matchino; u_int32_t fsetindex; } i_vxspec; u_int64_t align; } vdi_ftarea; u_int32_t vdi_blocks; /* How much blocks does inode occupy */ u_int32_t vdi_gen; /* Inode generation */ u_int64_t vdi_version; /* Version */ union { struct vxfs_immed immed; struct vxfs_ext4 ext4; struct vxfs_typed typed[VXFS_NTYPED]; } vdi_org; u_int32_t vdi_iattrino; }; #define vdi_rdev vdi_ftarea.rdev #define vdi_dotdot vdi_ftarea.dotdot #define vdi_fixextsize vdi_ftarea.regular.fixextsize #define vdi_matchino vdi_ftarea.vxspec.matchino #define vdi_fsetindex vdi_ftarea.vxspec.fsetindex #define vdi_immed vdi_org.immed #define vdi_ext4 vdi_org.ext4 #define vdi_typed vdi_org.typed /* * The inode as represented in the main memory. * * TBD: This should become a separate structure... */ #define vxfs_inode_info vxfs_dinode #define vii_mode vdi_mode #define vii_uid vdi_uid #define vii_gid vdi_gid #define vii_nlink vdi_nlink #define vii_size vdi_size #define vii_atime vdi_atime #define vii_ctime vdi_ctime #define vii_mtime vdi_mtime #define vii_blocks vdi_blocks #define vii_org vdi_org #define vii_orgtype vdi_orgtype #define vii_gen vdi_gen #define vii_rdev vdi_ftarea.rdev #define vii_dotdot vdi_ftarea.dotdot #define vii_fixextsize vdi_ftarea.regular.fixextsize #define vii_matchino vdi_ftarea.vxspec.matchino #define vii_fsetindex vdi_ftarea.vxspec.fsetindex #define vii_immed vdi_org.immed #define vii_ext4 vdi_org.ext4 #define vii_typed vdi_org.typed #endif /* _VXFS_INODE_H_ */ |