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- /*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1980, 1993
- * The Regents of the University of California. All rights reserved.
- * (c) UNIX System Laboratories, Inc.
- * All or some portions of this file are derived from material licensed
- * to the University of California by American Telephone and Telegraph
- * Co. or Unix System Laboratories, Inc. and are reproduced herein with
- * the permission of UNIX System Laboratories, Inc.
- *
- * 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.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 _PROTOCOLS_DUMPRESTORE_H_
- #define _PROTOCOLS_DUMPRESTORE_H_
- /*
- * TP_BSIZE is the size of file blocks on the dump tapes.
- * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
- *
- * NTREC is the number of TP_BSIZE blocks that are written
- * in each tape record. HIGHDENSITYTREC is the number of
- * TP_BSIZE blocks that are written in each tape record on
- * 6250 BPI or higher density tapes.
- *
- * TP_NINDIR is the number of indirect pointers in a TS_INODE
- * or TS_ADDR record. Note that it must be a power of two.
- */
- #define TP_BSIZE 1024
- #define NTREC 10
- #define HIGHDENSITYTREC 32
- #define TP_NINDIR (TP_BSIZE/2)
- #define LBLSIZE 16
- #define NAMELEN 64
- #define OFS_MAGIC (int)60011
- #define NFS_MAGIC (int)60012
- #ifndef FS_UFS2_MAGIC
- #define FS_UFS2_MAGIC (int)0x19540119
- #endif
- #define CHECKSUM (int)84446
- /*
- * Since ino_t size is changing to 64-bits, yet we desire this structure to
- * remain compatible with exiting dump formats, we do NOT use ino_t here,
- * but rather define a 32-bit type in its place. At some point, it may be
- * necessary to use some of the c_spare[] in order to fully support 64-bit
- * inode numbers.
- */
- typedef uint32_t dump_ino_t;
- extern union u_spcl {
- char dummy[TP_BSIZE];
- struct s_spcl {
- int32_t c_type; /* record type (see below) */
- int32_t c_old_date; /* date of this dump */
- int32_t c_old_ddate; /* date of previous dump */
- int32_t c_volume; /* dump volume number */
- int32_t c_old_tapea; /* logical block of this record */
- dump_ino_t c_inumber; /* number of inode */
- int32_t c_magic; /* magic number (see above) */
- int32_t c_checksum; /* record checksum */
- /*
- * Start old dinode structure, expanded for binary
- * compatibility with UFS1.
- */
- u_int16_t c_mode; /* file mode */
- int16_t c_spare1[3]; /* old nlink, ids */
- u_int64_t c_size; /* file byte count */
- int32_t c_old_atime; /* old last access time, seconds */
- int32_t c_atimensec; /* last access time, nanoseconds */
- int32_t c_old_mtime; /* old last modified time, secs */
- int32_t c_mtimensec; /* last modified time, nanosecs */
- int32_t c_spare2[2]; /* old ctime */
- int32_t c_rdev; /* for devices, device number */
- int32_t c_birthtimensec; /* creation time, nanosecs */
- int64_t c_birthtime; /* creation time, seconds */
- int64_t c_atime; /* last access time, seconds */
- int64_t c_mtime; /* last modified time, seconds */
- int32_t c_extsize; /* external attribute size */
- int32_t c_spare4[6]; /* old block pointers */
- u_int32_t c_file_flags; /* status flags (chflags) */
- int32_t c_spare5[2]; /* old blocks, generation number */
- u_int32_t c_uid; /* file owner */
- u_int32_t c_gid; /* file group */
- int32_t c_spare6[2]; /* previously unused spares */
- /*
- * End old dinode structure.
- */
- int32_t c_count; /* number of valid c_addr entries */
- char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */
- char c_label[LBLSIZE]; /* dump label */
- int32_t c_level; /* level of this dump */
- char c_filesys[NAMELEN]; /* name of dumped file system */
- char c_dev[NAMELEN]; /* name of dumped device */
- char c_host[NAMELEN]; /* name of dumped host */
- int32_t c_flags; /* additional information */
- int32_t c_old_firstrec; /* first record on volume */
- int64_t c_date; /* date of this dump */
- int64_t c_ddate; /* date of previous dump */
- int64_t c_tapea; /* logical block of this record */
- int64_t c_firstrec; /* first record on volume */
- int32_t c_spare[24]; /* reserved for future uses */
- } s_spcl;
- } u_spcl;
- #define spcl u_spcl.s_spcl
- /*
- * special record types
- */
- #define TS_TAPE 1 /* dump tape header */
- #define TS_INODE 2 /* beginning of file record */
- #define TS_ADDR 4 /* continuation of file record */
- #define TS_BITS 3 /* map of inodes on tape */
- #define TS_CLRI 6 /* map of inodes deleted since last dump */
- #define TS_END 5 /* end of volume marker */
- #endif /* !_DUMPRESTORE_H_ */
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