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[unix-history] / usr / include / protocols / dumprestore.h
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1/*
2 * Copyright (c) 1980 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)dumprestore.h 5.6 (Berkeley) 4/3/91
34 */
35
36#ifndef _DUMPRESTORE_H_
37#define _DUMPRESTORE_H_
38
39/*
40 * TP_BSIZE is the size of file blocks on the dump tapes.
41 * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
42 *
43 * NTREC is the number of TP_BSIZE blocks that are written
44 * in each tape record. HIGHDENSITYTREC is the number of
45 * TP_BSIZE blocks that are written in each tape record on
46 * 6250 BPI or higher density tapes.
47 *
48 * TP_NINDIR is the number of indirect pointers in a TS_INODE
49 * or TS_ADDR record. Note that it must be a power of two.
50 */
51#define TP_BSIZE 1024
52#define NTREC 10
53#define HIGHDENSITYTREC 32
54#define TP_NINDIR (TP_BSIZE/2)
55#define LBLSIZE 16
56#define NAMELEN 64
57
58#define OFS_MAGIC (int)60011
59#define NFS_MAGIC (int)60012
60#define CHECKSUM (int)84446
61
62union u_spcl {
63 char dummy[TP_BSIZE];
64 struct s_spcl {
65 long c_type; /* record type (see below) */
66 time_t c_date; /* date of previous dump */
67 time_t c_ddate; /* date of this dump */
68 long c_volume; /* dump volume number */
69 daddr_t c_tapea; /* logical block of this record */
70 ino_t c_inumber; /* number of inode */
71 long c_magic; /* magic number (see above) */
72 long c_checksum; /* record checksum */
73 struct dinode c_dinode; /* ownership and mode of inode */
74 long c_count; /* number of valid c_addr entries */
75 char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */
76 char c_label[LBLSIZE]; /* dump label */
77 long c_level; /* level of this dump */
78 char c_filesys[NAMELEN]; /* name of dumpped file system */
79 char c_dev[NAMELEN]; /* name of dumpped device */
80 char c_host[NAMELEN]; /* name of dumpped host */
81 long c_flags; /* additional information */
82 } s_spcl;
83} u_spcl;
84#define spcl u_spcl.s_spcl
85/*
86 * special record types
87 */
88#define TS_TAPE 1 /* dump tape header */
89#define TS_INODE 2 /* beginning of file record */
90#define TS_ADDR 4 /* continuation of file record */
91#define TS_BITS 3 /* map of inodes on tape */
92#define TS_CLRI 6 /* map of inodes deleted since last dump */
93#define TS_END 5 /* end of volume marker */
94
95/*
96 * flag values
97 */
98#define DR_NEWHEADER 1 /* new format tape header */
99
100#define DUMPOUTFMT "%-16s %c %s" /* for printf */
101 /* name, level, ctime(date) */
102#define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */
103
104#endif /* !_DUMPRESTORE_H_ */