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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [fs/] [freevxfs/] [vxfs_inode.h] - Rev 1765
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/* * 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_ #ident "$Id: vxfs_inode.h,v 1.1.1.1 2004-04-15 01:11:43 phoenix Exp $" /* * 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_ */