115 lines
4.6 KiB
C
115 lines
4.6 KiB
C
/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dumprestore.h 8.2 (Berkeley) 1/21/94
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*
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* $FreeBSD$
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*/
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#ifndef _PROTOCOLS_DUMPRESTORE_H_
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#define _PROTOCOLS_DUMPRESTORE_H_
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/*
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* TP_BSIZE is the size of file blocks on the dump tapes.
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* Note that TP_BSIZE must be a multiple of DEV_BSIZE.
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*
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* NTREC is the number of TP_BSIZE blocks that are written
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* in each tape record. HIGHDENSITYTREC is the number of
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* TP_BSIZE blocks that are written in each tape record on
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* 6250 BPI or higher density tapes.
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*
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* TP_NINDIR is the number of indirect pointers in a TS_INODE
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* or TS_ADDR record. Note that it must be a power of two.
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*/
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#define TP_BSIZE 1024
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#define NTREC 10
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#define HIGHDENSITYTREC 32
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#define TP_NINDIR (TP_BSIZE/2)
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#define LBLSIZE 16
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#define NAMELEN 64
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#define OFS_MAGIC (int)60011
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#define NFS_MAGIC (int)60012
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#define CHECKSUM (int)84446
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union u_spcl {
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char dummy[TP_BSIZE];
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struct s_spcl {
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int32_t c_type; /* record type (see below) */
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int32_t c_date; /* date of this dump */
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int32_t c_ddate; /* date of previous dump */
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int32_t c_volume; /* dump volume number */
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int32_t c_tapea; /* logical block of this record */
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ino_t c_inumber; /* number of inode */
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int32_t c_magic; /* magic number (see above) */
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int32_t c_checksum; /* record checksum */
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struct dinode c_dinode; /* ownership and mode of inode */
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int32_t c_count; /* number of valid c_addr entries */
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char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */
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char c_label[LBLSIZE]; /* dump label */
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int32_t c_level; /* level of this dump */
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char c_filesys[NAMELEN]; /* name of dumpped file system */
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char c_dev[NAMELEN]; /* name of dumpped device */
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char c_host[NAMELEN]; /* name of dumpped host */
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int32_t c_flags; /* additional information */
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int32_t c_firstrec; /* first record on volume */
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int32_t c_spare[32]; /* reserved for future uses */
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} s_spcl;
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} u_spcl;
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#define spcl u_spcl.s_spcl
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/*
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* special record types
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*/
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#define TS_TAPE 1 /* dump tape header */
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#define TS_INODE 2 /* beginning of file record */
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#define TS_ADDR 4 /* continuation of file record */
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#define TS_BITS 3 /* map of inodes on tape */
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#define TS_CLRI 6 /* map of inodes deleted since last dump */
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#define TS_END 5 /* end of volume marker */
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/*
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* flag values
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*/
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#define DR_NEWHEADER 0x0001 /* new format tape header */
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#define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */
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#define DUMPOUTFMT "%-32s %c %s" /* for printf */
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/* name, level, ctime(date) */
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#define DUMPINFMT "%32s %c %[^\n]\n" /* inverse for scanf */
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#endif /* !_DUMPRESTORE_H_ */
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