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Diffstat (limited to 'fs/freevxfs/vxfs_inode.h')
| -rw-r--r-- | fs/freevxfs/vxfs_inode.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/fs/freevxfs/vxfs_inode.h b/fs/freevxfs/vxfs_inode.h new file mode 100644 index 000000000..1e9e138d2 --- /dev/null +++ b/fs/freevxfs/vxfs_inode.h @@ -0,0 +1,169 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2000-2001 Christoph Hellwig. + * Copyright (c) 2016 Krzysztof Blaszkowski + */ +#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 { + __u8 vi_immed[VXFS_NIMMED]; +}; + +struct vxfs_ext4 { + __fs32 ve4_spare; /* ?? */ + __fs32 ve4_indsize; /* Indirect extent size */ + __fs32 ve4_indir[VXFS_NIADDR]; /* Indirect extents */ + struct direct { /* Direct extents */ + __fs32 extent; /* Extent number */ + __fs32 size; /* Size of extent */ + } ve4_direct[VXFS_NDADDR]; +}; + +struct vxfs_typed { + __fs64 vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ + __fs32 vt_block; /* Extent block */ + __fs32 vt_size; /* Size in blocks */ +}; + +struct vxfs_typed_dev4 { + __fs64 vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ + __fs64 vd4_block; /* Extent block */ + __fs64 vd4_size; /* Size in blocks */ + __fs32 vd4_dev; /* Device ID */ + __u8 __pad1; +}; + +/* + * The inode as contained on the physical device. + */ +struct vxfs_dinode { + __fs32 vdi_mode; + __fs32 vdi_nlink; /* Link count */ + __fs32 vdi_uid; /* UID */ + __fs32 vdi_gid; /* GID */ + __fs64 vdi_size; /* Inode size in bytes */ + __fs32 vdi_atime; /* Last time accessed - sec */ + __fs32 vdi_autime; /* Last time accessed - usec */ + __fs32 vdi_mtime; /* Last modify time - sec */ + __fs32 vdi_mutime; /* Last modify time - usec */ + __fs32 vdi_ctime; /* Create time - sec */ + __fs32 vdi_cutime; /* Create time - usec */ + __u8 vdi_aflags; /* Allocation flags */ + __u8 vdi_orgtype; /* Organisation type */ + __fs16 vdi_eopflags; + __fs32 vdi_eopdata; + union { + __fs32 rdev; + __fs32 dotdot; + struct { + __u32 reserved; + __fs32 fixextsize; + } i_regular; + struct { + __fs32 matchino; + __fs32 fsetindex; + } i_vxspec; + __u64 align; + } vdi_ftarea; + __fs32 vdi_blocks; /* How much blocks does inode occupy */ + __fs32 vdi_gen; /* Inode generation */ + __fs64 vdi_version; /* Version */ + union { + struct vxfs_immed immed; + struct vxfs_ext4 ext4; + struct vxfs_typed typed[VXFS_NTYPED]; + } vdi_org; + __fs32 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. + */ +struct vxfs_inode_info { + struct inode vfs_inode; + + __u32 vii_mode; + __u32 vii_nlink; /* Link count */ + __u32 vii_uid; /* UID */ + __u32 vii_gid; /* GID */ + __u64 vii_size; /* Inode size in bytes */ + __u32 vii_atime; /* Last time accessed - sec */ + __u32 vii_autime; /* Last time accessed - usec */ + __u32 vii_mtime; /* Last modify time - sec */ + __u32 vii_mutime; /* Last modify time - usec */ + __u32 vii_ctime; /* Create time - sec */ + __u32 vii_cutime; /* Create time - usec */ + __u8 vii_orgtype; /* Organisation type */ + union { + __u32 rdev; + __u32 dotdot; + } vii_ftarea; + __u32 vii_blocks; /* How much blocks does inode occupy */ + __u32 vii_gen; /* Inode generation */ + union { + struct vxfs_immed immed; + struct vxfs_ext4 ext4; + struct vxfs_typed typed[VXFS_NTYPED]; + } vii_org; +}; + +#define vii_rdev vii_ftarea.rdev +#define vii_dotdot vii_ftarea.dotdot + +#define vii_immed vii_org.immed +#define vii_ext4 vii_org.ext4 +#define vii_typed vii_org.typed + +static inline struct vxfs_inode_info *VXFS_INO(struct inode *inode) +{ + return container_of(inode, struct vxfs_inode_info, vfs_inode); +} + +#endif /* _VXFS_INODE_H_ */ |