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. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)dumprestore.h	8.2 (Berkeley) 1/21/94
35 *
36 * $FreeBSD$
37 */
38
39#ifndef _PROTOCOLS_DUMPRESTORE_H_
40#define _PROTOCOLS_DUMPRESTORE_H_
41
42/*
43 * TP_BSIZE is the size of file blocks on the dump tapes.
44 * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
45 *
46 * NTREC is the number of TP_BSIZE blocks that are written
47 * in each tape record. HIGHDENSITYTREC is the number of
48 * TP_BSIZE blocks that are written in each tape record on
49 * 6250 BPI or higher density tapes.
50 *
51 * TP_NINDIR is the number of indirect pointers in a TS_INODE
52 * or TS_ADDR record. Note that it must be a power of two.
53 */
54#define TP_BSIZE	1024
55#define NTREC   	10
56#define HIGHDENSITYTREC	32
57#define TP_NINDIR	(TP_BSIZE/2)
58#define LBLSIZE		16
59#define NAMELEN		64
60
61#define OFS_MAGIC   	(int)60011
62#define NFS_MAGIC   	(int)60012
63#ifndef FS_UFS2_MAGIC
64#define FS_UFS2_MAGIC  	(int)0x19540119
65#endif
66#define CHECKSUM	(int)84446
67
68union u_spcl {
69	char dummy[TP_BSIZE];
70	struct	s_spcl {
71		int32_t	c_type;		    /* record type (see below) */
72		int32_t	c_old_date;	    /* date of this dump */
73		int32_t	c_old_ddate;	    /* date of previous dump */
74		int32_t	c_volume;	    /* dump volume number */
75		int32_t	c_old_tapea;	    /* logical block of this record */
76		ino_t	c_inumber;	    /* number of inode */
77		int32_t	c_magic;	    /* magic number (see above) */
78		int32_t	c_checksum;	    /* record checksum */
79		/*
80		 * Start old dinode structure, expanded for binary
81		 * compatibility with UFS1.
82		 */
83		u_int16_t c_mode;	    /* file mode */
84		int16_t	c_spare1[3];	    /* old nlink, ids */
85		u_int64_t c_size;	    /* file byte count */
86		int32_t	c_old_atime;	    /* old last access time, seconds */
87		int32_t	c_atimensec;	    /* last access time, nanoseconds */
88		int32_t	c_old_mtime;	    /* old last modified time, secs */
89		int32_t	c_mtimensec;	    /* last modified time, nanosecs */
90		int32_t	c_spare2[2];	    /* old ctime */
91		int32_t	c_rdev;		    /* for devices, device number */
92		int32_t	c_birthtimensec;    /* creation time, nanosecs */
93		int64_t	c_birthtime;	    /* creation time, seconds */
94		int64_t	c_atime;	    /* last access time, seconds */
95		int64_t	c_mtime;	    /* last modified time, seconds */
96		int32_t	c_extsize;	    /* external attribute size */
97		int32_t	c_spare4[6];	    /* old block pointers */
98		u_int32_t c_file_flags;	    /* status flags (chflags) */
99		int32_t	c_spare5[2];	    /* old blocks, generation number */
100		u_int32_t c_uid;	    /* file owner */
101		u_int32_t c_gid;	    /* file group */
102		int32_t	c_spare6[2];	    /* previously unused spares */
103		/*
104		 * End old dinode structure.
105		 */
106		int32_t	c_count;	    /* number of valid c_addr entries */
107		char	c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
108		char	c_label[LBLSIZE];   /* dump label */
109		int32_t	c_level;	    /* level of this dump */
110		char	c_filesys[NAMELEN]; /* name of dumpped file system */
111		char	c_dev[NAMELEN];	    /* name of dumpped device */
112		char	c_host[NAMELEN];    /* name of dumpped host */
113		int32_t	c_flags;	    /* additional information */
114		int32_t	c_old_firstrec;	    /* first record on volume */
115		int64_t	c_date;		    /* date of this dump */
116		int64_t	c_ddate;	    /* date of previous dump */
117		int64_t	c_tapea;	    /* logical block of this record */
118		int64_t	c_firstrec;	    /* first record on volume */
119		int32_t	c_spare[24];	    /* reserved for future uses */
120	} s_spcl;
121} u_spcl;
122#define spcl u_spcl.s_spcl
123/*
124 * special record types
125 */
126#define TS_TAPE 	1	/* dump tape header */
127#define TS_INODE	2	/* beginning of file record */
128#define TS_ADDR 	4	/* continuation of file record */
129#define TS_BITS 	3	/* map of inodes on tape */
130#define TS_CLRI 	6	/* map of inodes deleted since last dump */
131#define TS_END  	5	/* end of volume marker */
132
133#endif /* !_DUMPRESTORE_H_ */
134