1 /* $OpenBSD: dumprestore.h,v 1.4 2001/01/09 03:15:16 angelos Exp $ */ 2 /* $NetBSD: dumprestore.h,v 1.6 1994/10/26 00:56:49 cgd 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. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)dumprestore.h 8.2 (Berkeley) 1/21/94 42 */ 43 44 #ifndef _DUMPRESTORE_H_ 45 #define _DUMPRESTORE_H_ 46 47 /* 48 * TP_BSIZE is the size of file blocks on the dump tapes. 49 * Note that TP_BSIZE must be a multiple of DEV_BSIZE. 50 * 51 * NTREC is the number of TP_BSIZE blocks that are written 52 * in each tape record. HIGHDENSITYTREC is the number of 53 * TP_BSIZE blocks that are written in each tape record on 54 * 6250 BPI or higher density tapes. 55 * 56 * TP_NINDIR is the number of indirect pointers in a TS_INODE 57 * or TS_ADDR record. Note that it must be a power of two. 58 */ 59 #define TP_BSIZE 1024 60 #define NTREC 10 61 #define HIGHDENSITYTREC 32 62 #define TP_NINDIR (TP_BSIZE/2) 63 #define LBLSIZE 16 64 #define NAMELEN 64 65 66 #define OFS_MAGIC (int)60011 67 #define NFS_MAGIC (int)60012 68 #define CHECKSUM (int)84446 69 70 union u_spcl { 71 char dummy[TP_BSIZE]; 72 struct s_spcl { 73 int32_t c_type; /* record type (see below) */ 74 time_t c_date; /* date of this dump */ 75 time_t c_ddate; /* date of previous dump */ 76 int32_t c_volume; /* dump volume number */ 77 daddr_t c_tapea; /* logical block of this record */ 78 ino_t c_inumber; /* number of inode */ 79 int32_t c_magic; /* magic number (see above) */ 80 int32_t c_checksum; /* record checksum */ 81 struct dinode c_dinode; /* ownership and mode of inode */ 82 int32_t c_count; /* number of valid c_addr entries, 83 unless c_type is TS_BITS or 84 TS_CLRI. */ 85 char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */ 86 char c_label[LBLSIZE]; /* dump label */ 87 int32_t c_level; /* level of this dump */ 88 char c_filesys[NAMELEN]; /* name of dumpped file system */ 89 char c_dev[NAMELEN]; /* name of dumpped device */ 90 char c_host[NAMELEN]; /* name of dumpped host */ 91 int32_t c_flags; /* additional information */ 92 int32_t c_firstrec; /* first record on volume */ 93 int32_t c_spare[32]; /* reserved for future uses */ 94 } s_spcl; 95 } u_spcl; 96 #define spcl u_spcl.s_spcl 97 /* 98 * special record types 99 */ 100 #define TS_TAPE 1 /* dump tape header */ 101 #define TS_INODE 2 /* beginning of file record */ 102 #define TS_ADDR 4 /* continuation of file record */ 103 #define TS_BITS 3 /* map of inodes on tape */ 104 #define TS_CLRI 6 /* map of inodes deleted since last dump */ 105 #define TS_END 5 /* end of volume marker */ 106 107 /* 108 * flag values 109 */ 110 #define DR_NEWHEADER 0x0001 /* new format tape header */ 111 #define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */ 112 113 #define DUMPOUTFMT "%-16s %c %s" /* for printf */ 114 /* name, level, ctime(date) */ 115 #define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */ 116 117 #endif /* !_DUMPRESTORE_H_ */ 118