/*
|
* Copyright (c) 2000-2001 Christoph Hellwig.
|
* Copyright (c) 2016 Krzysztof Blaszkowski
|
* 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 {
|
__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_ */
|
