1 /*        $NetBSD: dumprestore.h,v 1.20 2021/06/19 13:56:34 christos Exp $      */
2 
3 /*
4  * Copyright (c) 1980, 1993
5  *        The Regents of the University of California.  All rights reserved.
6  * (c) UNIX System Laboratories, Inc.
7  * All or some portions of this file are derived from material licensed
8  * to the University of California by American Telephone and Telegraph
9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10  * the permission of UNIX System Laboratories, Inc.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *        @(#)dumprestore.h   8.2 (Berkeley) 1/21/94
37  */
38 
39 #ifndef _PROTOCOLS_DUMPRESTORE_H_
40 #define _PROTOCOLS_DUMPRESTORE_H_
41 
42 #include <stdint.h>
43 #include <ufs/ufs/dinode.h>
44 
45 /*
46  * TP_BSIZE is the size of file blocks on the dump tapes.
47  * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
48  *
49  * NTREC is the number of TP_BSIZE blocks that are written
50  * in each tape record. HIGHDENSITYTREC is the number of
51  * TP_BSIZE blocks that are written in each tape record on
52  * 6250 BPI or higher density tapes.
53  *
54  * TP_NINDIR is the number of indirect pointers in a TS_INODE
55  * or TS_ADDR record. Note that it must be a power of two.
56  */
57 #define TP_BSIZE    1024
58 #define NTREC       10
59 #define HIGHDENSITYTREC       32
60 #define TP_NINDIR   (TP_BSIZE/2)
61 #define LBLSIZE               16
62 #define NAMELEN               64
63 
64 #define OFS_MAGIC             (int)60011
65 #define NFS_MAGIC             (int)60012
66 #ifndef FS_UFS2_MAGIC
67 #define FS_UFS2_MAGIC   (int)0x19540119
68 #endif
69 #define CHECKSUM    (int)84446
70 
71 extern union u_spcl {
72           char dummy[TP_BSIZE];
73           struct    s_spcl {
74                     int32_t   c_type;                 /* record type (see below) */
75                     int32_t   c_old_date;             /* date of this dump */
76                     int32_t   c_old_ddate;            /* date of previous dump */
77                     int32_t   c_volume;     /* dump volume number */
78                     int32_t   c_old_tapea;            /* logical block of this record */
79                     uint32_t c_inumber;     /* number of inode */
80                     int32_t   c_magic;      /* magic number (see above) */
81                     int32_t   c_checksum;             /* record checksum */
82                     union {
83                               struct ufs1_dinode __uc_dinode;
84                               struct {
85                                         uint16_t __uc_mode;
86                                         int16_t __uc_spare1[3];
87                                         uint64_t __uc_size;
88                                         int32_t __uc_old_atime;
89                                         int32_t __uc_atimensec;
90                                         int32_t __uc_old_mtime;
91                                         int32_t __uc_mtimensec;
92                                         int32_t __uc_spare2[2];
93                                         int32_t __uc_rdev;
94                                         int32_t __uc_birthtimensec;
95                                         int64_t __uc_birthtime;
96                                         int64_t __uc_atime;
97                                         int64_t __uc_mtime;
98                                         int32_t __uc_extsize;
99                                         int32_t __uc_spare4[6];
100                                         uint32_t __uc_file_flags;
101                                         int32_t __uc_spare5[2];
102                                         uint32_t __uc_uid;
103                                         uint32_t __uc_gid;
104                                         int32_t __uc_spare6[2];
105                               } __uc_ino;
106                     } __c_ino;
107                     int32_t   c_count;      /* number of valid c_addr entries */
108                     char      c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
109                     char      c_label[LBLSIZE];   /* dump label */
110                     int32_t   c_level;      /* level of this dump */
111                     char      c_filesys[NAMELEN]; /* name of dumpped file system */
112                     char      c_dev[NAMELEN];         /* name of dumpped device */
113                     char      c_host[NAMELEN];    /* name of dumpped host */
114                     int32_t   c_flags;      /* additional information */
115                     int32_t   c_old_firstrec;         /* first record on volume */
116                     int64_t c_date;                   /* date of this dump */
117                     int64_t c_ddate;        /* date of previous dump */
118                     int64_t c_tapea;        /* logical block of this record */
119                     int64_t c_firstrec;     /* first record on volume */
120                     int32_t   c_spare[24];            /* reserved for future uses */
121           } s_spcl;
122 } u_spcl;
123 #define spcl u_spcl.s_spcl
124 
125 #define c_dinode    __c_ino.__uc_dinode
126 #define c_mode                __c_ino.__uc_ino.__uc_mode
127 #define c_spare1    __c_ino.__uc_ino.__uc_spare1
128 #define c_size                __c_ino.__uc_ino.__uc_size
129 #define c_extsize   __c_ino.__uc_ino.__uc_extsize
130 #define c_old_atime __c_ino.__uc_ino.__uc_old_atime
131 #define c_atime               __c_ino.__uc_ino.__uc_atime
132 #define c_atimensec __c_ino.__uc_ino.__uc_atimensec
133 #define c_mtime               __c_ino.__uc_ino.__uc_mtime
134 #define c_mtimensec __c_ino.__uc_ino.__uc_mtimensec
135 #define c_birthtime __c_ino.__uc_ino.__uc_birthtime
136 #define c_birthtimensec       __c_ino.__uc_ino.__uc_birthtimensec
137 #define c_old_mtime __c_ino.__uc_ino.__uc_old_mtime
138 #define c_rdev                __c_ino.__uc_ino.__uc_rdev
139 #define c_file_flags          __c_ino.__uc_ino.__uc_file_flags
140 #define c_uid                 __c_ino.__uc_ino.__uc_uid
141 #define c_gid                 __c_ino.__uc_ino.__uc_gid
142 
143 /*
144  * special record types
145  */
146 #define TS_TAPE     1         /* dump tape header */
147 #define TS_INODE    2         /* beginning of file record */
148 #define TS_ADDR     4         /* continuation of file record */
149 #define TS_BITS     3         /* map of inodes on tape */
150 #define TS_CLRI     6         /* map of inodes deleted since last dump */
151 #define TS_END      5         /* end of volume marker */
152 
153 /*
154  * flag values
155  */
156 #define DR_NEWHEADER          0x0001    /* new format tape header */
157 #define DR_NEWINODEFMT        0x0002    /* new format inodes on tape */
158 #define DR_EXTATTRIBUTES 0x8000         /* linux: extended attributes */
159 
160 /* 511 == NAME_MAX */
161 #define   DUMPOUTFMT          "%-511s %c %s"                /* for printf */
162                                                             /* name, level, ctime(date) */
163 #define   DUMPINFMT "%511s %c %[^\n]\n" /* inverse for scanf */
164 
165 #endif /* !_PROTOCOLS_DUMPRESTORE_H_ */
166