dumprestore.h revision 2163 
1/*
2 * Copyright (c) 1980, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	@(#)dumprestore.h	8.2 (Berkeley) 1/21/94
39 */
40
41#ifndef _PROTOCOLS_DUMPRESTORE_H_
42#define _PROTOCOLS_DUMPRESTORE_H_
43
44/*
45 * TP_BSIZE is the size of file blocks on the dump tapes.
46 * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
47 *
48 * NTREC is the number of TP_BSIZE blocks that are written
49 * in each tape record. HIGHDENSITYTREC is the number of
50 * TP_BSIZE blocks that are written in each tape record on
51 * 6250 BPI or higher density tapes.
52 *
53 * TP_NINDIR is the number of indirect pointers in a TS_INODE
54 * or TS_ADDR record. Note that it must be a power of two.
55 */
56#define TP_BSIZE	1024
57#define NTREC   	10
58#define HIGHDENSITYTREC	32
59#define TP_NINDIR	(TP_BSIZE/2)
60#define LBLSIZE		16
61#define NAMELEN		64
62
63#define OFS_MAGIC   	(int)60011
64#define NFS_MAGIC   	(int)60012
65#define CHECKSUM	(int)84446
66
67union u_spcl {
68	char dummy[TP_BSIZE];
69	struct	s_spcl {
70		long	c_type;		    /* record type (see below) */
71		time_t	c_date;		    /* date of this dump */
72		time_t	c_ddate;	    /* date of previous dump */
73		long	c_volume;	    /* dump volume number */
74		daddr_t	c_tapea;	    /* logical block of this record */
75		ino_t	c_inumber;	    /* number of inode */
76		long	c_magic;	    /* magic number (see above) */
77		long	c_checksum;	    /* record checksum */
78		struct	dinode	c_dinode;   /* ownership and mode of inode */
79		long	c_count;	    /* number of valid c_addr entries */
80		char	c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
81		char	c_label[LBLSIZE];   /* dump label */
82		long	c_level;	    /* level of this dump */
83		char	c_filesys[NAMELEN]; /* name of dumpped file system */
84		char	c_dev[NAMELEN];	    /* name of dumpped device */
85		char	c_host[NAMELEN];    /* name of dumpped host */
86		long	c_flags;	    /* additional information */
87		long	c_firstrec;	    /* first record on volume */
88		long	c_spare[32];	    /* reserved for future uses */
89	} s_spcl;
90} u_spcl;
91#define spcl u_spcl.s_spcl
92/*
93 * special record types
94 */
95#define TS_TAPE 	1	/* dump tape header */
96#define TS_INODE	2	/* beginning of file record */
97#define TS_ADDR 	4	/* continuation of file record */
98#define TS_BITS 	3	/* map of inodes on tape */
99#define TS_CLRI 	6	/* map of inodes deleted since last dump */
100#define TS_END  	5	/* end of volume marker */
101
102/*
103 * flag values
104 */
105#define DR_NEWHEADER	0x0001	/* new format tape header */
106#define DR_NEWINODEFMT	0x0002	/* new format inodes on tape */
107
108#define	DUMPOUTFMT	"%-16s %c %s"		/* for printf */
109						/* name, level, ctime(date) */
110#define	DUMPINFMT	"%16s %c %[^\n]\n"	/* inverse for scanf */
111
112#endif /* !_DUMPRESTORE_H_ */
113