--- /dev/null
+/*
+ * 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_ */
Code Review / kvmfornfv.git / blobdiff