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 */ 34enum { 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 */ 44struct vxfs_immed { 45 __u8 vi_immed[VXFS_NIMMED]; 46}; 47 48struct 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 58struct 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 64struct 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 */ 75struct 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 */ 129struct 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 164static 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