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 67 union u_spcl { 68 char dummy[TP_BSIZE]; 69 struct s_spcl { 70 int32_t 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 int32_t c_volume; /* dump volume number */ 74 daddr_t c_tapea; /* logical block of this record */ 75 ino_t c_inumber; /* number of inode */ 76 int32_t c_magic; /* magic number (see above) */ 77 int32_t c_checksum; /* record checksum */ 78 struct dinode c_dinode; /* ownership and mode of inode */ 79 int32_t 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 int32_t 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 int32_t c_flags; /* additional information */ 87 int32_t c_firstrec; /* first record on volume */ 88 int32_t 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 "%-32s %c %s" /* for printf */ 109 /* name, level, ctime(date) */ 110 #define DUMPINFMT "%32s %c %[^\n]\n" /* inverse for scanf */ 111 112 #endif /* !_DUMPRESTORE_H_ */ 113