1 /* $NetBSD: dumprestore.h,v 1.9 2001/12/23 14:38:03 lukem 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)dumprestore.h 8.2 (Berkeley) 1/21/94 41 */ 42 43 #ifndef _PROTOCOLS_DUMPRESTORE_H_ 44 #define _PROTOCOLS_DUMPRESTORE_H_ 45 46 /* 47 * TP_BSIZE is the size of file blocks on the dump tapes. 48 * Note that TP_BSIZE must be a multiple of DEV_BSIZE. 49 * 50 * NTREC is the number of TP_BSIZE blocks that are written 51 * in each tape record. HIGHDENSITYTREC is the number of 52 * TP_BSIZE blocks that are written in each tape record on 53 * 6250 BPI or higher density tapes. 54 * 55 * TP_NINDIR is the number of indirect pointers in a TS_INODE 56 * or TS_ADDR record. Note that it must be a power of two. 57 */ 58 #define TP_BSIZE 1024 59 #define NTREC 10 60 #define HIGHDENSITYTREC 32 61 #define TP_NINDIR (TP_BSIZE/2) 62 #define LBLSIZE 16 63 #define NAMELEN 64 64 65 #define OFS_MAGIC (int)60011 66 #define NFS_MAGIC (int)60012 67 #define CHECKSUM (int)84446 68 69 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_date; /* date of this dump */ 74 int32_t c_ddate; /* date of previous dump */ 75 int32_t c_volume; /* dump volume number */ 76 daddr_t c_tapea; /* logical block of this record */ 77 ino_t c_inumber; /* number of inode */ 78 int32_t c_magic; /* magic number (see above) */ 79 int32_t c_checksum; /* record checksum */ 80 struct dinode c_dinode; /* ownership and mode of inode */ 81 int32_t c_count; /* number of valid c_addr entries */ 82 char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */ 83 char c_label[LBLSIZE]; /* dump label */ 84 int32_t c_level; /* level of this dump */ 85 char c_filesys[NAMELEN]; /* name of dumpped file system */ 86 char c_dev[NAMELEN]; /* name of dumpped device */ 87 char c_host[NAMELEN]; /* name of dumpped host */ 88 int32_t c_flags; /* additional information */ 89 int32_t c_firstrec; /* first record on volume */ 90 int32_t c_spare[32]; /* reserved for future uses */ 91 } s_spcl; 92 } u_spcl; 93 #define spcl u_spcl.s_spcl 94 /* 95 * special record types 96 */ 97 #define TS_TAPE 1 /* dump tape header */ 98 #define TS_INODE 2 /* beginning of file record */ 99 #define TS_ADDR 4 /* continuation of file record */ 100 #define TS_BITS 3 /* map of inodes on tape */ 101 #define TS_CLRI 6 /* map of inodes deleted since last dump */ 102 #define TS_END 5 /* end of volume marker */ 103 104 /* 105 * flag values 106 */ 107 #define DR_NEWHEADER 0x0001 /* new format tape header */ 108 #define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */ 109 110 #define DUMPOUTFMT "%-16s %c %s" /* for printf */ 111 /* name, level, ctime(date) */ 112 #define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */ 113 114 #endif /* !_PROTOCOLS_DUMPRESTORE_H_ */ 115