jcs.org
jcs's openbsd hax
openbsd
1/* $OpenBSD: dumprestore.h,v 1.11 2021/01/21 00:16:36 mortimer Exp $ */
2/* $NetBSD: dumprestore.h,v 1.14 2005/12/26 19:01:47 perry Exp $ */
3
4/*
5 * Copyright (c) 1980, 1993
6 * The Regents of the University of California. All rights reserved.
7 * (c) UNIX System Laboratories, Inc.
8 * All or some portions of this file are derived from material licensed
9 * to the University of California by American Telephone and Telegraph
10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11 * the permission of UNIX System Laboratories, Inc.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)dumprestore.h 8.2 (Berkeley) 1/21/94
38 */
39
40#ifndef _PROTOCOLS_DUMPRESTORE_H_
41#define _PROTOCOLS_DUMPRESTORE_H_
42
43/*
44 * TP_BSIZE is the size of file blocks on the dump tapes.
45 * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
46 *
47 * NTREC is the number of TP_BSIZE blocks that are written
48 * in each tape record. HIGHDENSITYTREC is the number of
49 * TP_BSIZE blocks that are written in each tape record on
50 * 6250 BPI or higher density tapes.
51 *
52 * TP_NINDIR is the number of indirect pointers in a TS_INODE
53 * or TS_ADDR record. Note that it must be a power of two.
54 */
55#define TP_BSIZE 1024
56#define NTREC 10
57#define HIGHDENSITYTREC 32
58#define TP_NINDIR (TP_BSIZE/2)
59#define LBLSIZE 16
60#define NAMELEN 64
61
62#define OFS_MAGIC (int)60011
63#define NFS_MAGIC (int)60012
64#ifndef FS_UFS2_MAGIC
65#define FS_UFS2_MAGIC (int)0x19540119
66#endif
67#define CHECKSUM (int)84446
68
69extern union u_spcl {
70 char dummy[TP_BSIZE];
71 struct s_spcl {
72 int32_t c_type; /* record type (see below) */
73 int32_t c_old_date; /* date of this dump */
74 int32_t c_old_ddate; /* date of previous dump */
75 int32_t c_volume; /* dump volume number */
76 int32_t c_old_tapea; /* logical block of this record */
77 uint32_t c_inumber; /* number of inode */
78 int32_t c_magic; /* magic number (see above) */
79 int32_t c_checksum; /* record checksum */
80 union {
81 struct ufs1_dinode __uc_dinode;
82 struct {
83 uint16_t __uc_mode;
84 int16_t __uc_spare1[3];
85 uint64_t __uc_size;
86 int32_t __uc_old_atime;
87 int32_t __uc_atimensec;
88 int32_t __uc_old_mtime;
89 int32_t __uc_mtimensec;
90 int32_t __uc_spare2[2];
91 int32_t __uc_rdev;
92 int32_t __uc_birthtimensec;
93 int64_t __uc_birthtime;
94 int64_t __uc_atime;
95 int64_t __uc_mtime;
96 int32_t __uc_spare4[7];
97 uint32_t __uc_file_flags;
98 int32_t __uc_spare5[2];
99 uint32_t __uc_uid;
100 uint32_t __uc_gid;
101 int32_t __uc_spare6[2];
102 } __uc_ino;
103 } __c_ino;
104 int32_t c_count; /* number of valid c_addr entries */
105 char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */
106 char c_label[LBLSIZE]; /* dump label */
107 int32_t c_level; /* level of this dump */
108 char c_filesys[NAMELEN]; /* name of dumped file system */
109 char c_dev[NAMELEN]; /* name of dumped device */
110 char c_host[NAMELEN]; /* name of dumped host */
111 int32_t c_flags; /* additional information */
112 int32_t c_old_firstrec; /* first record on volume */
113 int64_t c_date; /* date of this dump */
114 int64_t c_ddate; /* date of previous dump */
115 int64_t c_tapea; /* logical block of this record */
116 int64_t c_firstrec; /* first record on volume */
117 int32_t c_spare[24]; /* reserved for future uses */
118 } s_spcl;
119} u_spcl;
120#define spcl u_spcl.s_spcl
121
122#define c_dinode __c_ino.__uc_dinode
123#define c_mode __c_ino.__uc_ino.__uc_mode
124#define c_spare1 __c_ino.__uc_ino.__uc_spare1
125#define c_size __c_ino.__uc_ino.__uc_size
126#define c_old_atime __c_ino.__uc_ino.__uc_old_atime
127#define c_atime __c_ino.__uc_ino.__uc_atime
128#define c_atimensec __c_ino.__uc_ino.__uc_atimensec
129#define c_mtime __c_ino.__uc_ino.__uc_mtime
130#define c_mtimensec __c_ino.__uc_ino.__uc_mtimensec
131#define c_birthtime __c_ino.__uc_ino.__uc_birthtime
132#define c_birthtimensec __c_ino.__uc_ino.__uc_birthtimensec
133#define c_old_mtime __c_ino.__uc_ino.__uc_old_mtime
134#define c_rdev __c_ino.__uc_ino.__uc_rdev
135#define c_file_flags __c_ino.__uc_ino.__uc_file_flags
136#define c_uid __c_ino.__uc_ino.__uc_uid
137#define c_gid __c_ino.__uc_ino.__uc_gid
138
139/*
140 * special record types
141 */
142#define TS_TAPE 1 /* dump tape header */
143#define TS_INODE 2 /* beginning of file record */
144#define TS_ADDR 4 /* continuation of file record */
145#define TS_BITS 3 /* map of inodes on tape */
146#define TS_CLRI 6 /* map of inodes deleted since last dump */
147#define TS_END 5 /* end of volume marker */
148
149/*
150 * flag values
151 */
152#define DR_NEWHEADER 0x0001 /* new format tape header */
153#define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */
154
155#define DUMPOUTFMT "%-18s %c %s" /* for printf */
156 /* name, level, ctime(date) */
157#define DUMPINFMT "%18s %c %[^\n]\n" /* inverse for scanf */
158
159#endif /* !_PROTOCOLS_DUMPRESTORE_H_ */