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 68 /* 69 * Since ino_t size is changing to 64-bits, yet we desire this structure to 70 * remain compatible with exiting dump formats, we do NOT use ino_t here, 71 * but rather define a 32-bit type in its place. At some point, it may be 72 * necessary to use some of the c_spare[] in order to fully support 64-bit 73 * inode numbers. 74 */ 75 typedef uint32_t dump_ino_t; 76 77 union u_spcl { 78 char dummy[TP_BSIZE]; 79 struct s_spcl { 80 int32_t c_type; /* record type (see below) */ 81 int32_t c_old_date; /* date of this dump */ 82 int32_t c_old_ddate; /* date of previous dump */ 83 int32_t c_volume; /* dump volume number */ 84 int32_t c_old_tapea; /* logical block of this record */ 85 dump_ino_t c_inumber; /* number of inode */ 86 int32_t c_magic; /* magic number (see above) */ 87 int32_t c_checksum; /* record checksum */ 88 /* 89 * Start old dinode structure, expanded for binary 90 * compatibility with UFS1. 91 */ 92 u_int16_t c_mode; /* file mode */ 93 int16_t c_spare1[3]; /* old nlink, ids */ 94 u_int64_t c_size; /* file byte count */ 95 int32_t c_old_atime; /* old last access time, seconds */ 96 int32_t c_atimensec; /* last access time, nanoseconds */ 97 int32_t c_old_mtime; /* old last modified time, secs */ 98 int32_t c_mtimensec; /* last modified time, nanosecs */ 99 int32_t c_spare2[2]; /* old ctime */ 100 int32_t c_rdev; /* for devices, device number */ 101 int32_t c_birthtimensec; /* creation time, nanosecs */ 102 int64_t c_birthtime; /* creation time, seconds */ 103 int64_t c_atime; /* last access time, seconds */ 104 int64_t c_mtime; /* last modified time, seconds */ 105 int32_t c_extsize; /* external attribute size */ 106 int32_t c_spare4[6]; /* old block pointers */ 107 u_int32_t c_file_flags; /* status flags (chflags) */ 108 int32_t c_spare5[2]; /* old blocks, generation number */ 109 u_int32_t c_uid; /* file owner */ 110 u_int32_t c_gid; /* file group */ 111 int32_t c_spare6[2]; /* previously unused spares */ 112 /* 113 * End old dinode structure. 114 */ 115 int32_t c_count; /* number of valid c_addr entries */ 116 char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */ 117 char c_label[LBLSIZE]; /* dump label */ 118 int32_t c_level; /* level of this dump */ 119 char c_filesys[NAMELEN]; /* name of dumpped file system */ 120 char c_dev[NAMELEN]; /* name of dumpped device */ 121 char c_host[NAMELEN]; /* name of dumpped host */ 122 int32_t c_flags; /* additional information */ 123 int32_t c_old_firstrec; /* first record on volume */ 124 int64_t c_date; /* date of this dump */ 125 int64_t c_ddate; /* date of previous dump */ 126 int64_t c_tapea; /* logical block of this record */ 127 int64_t c_firstrec; /* first record on volume */ 128 int32_t c_spare[24]; /* reserved for future uses */ 129 } s_spcl; 130 } u_spcl; 131 #define spcl u_spcl.s_spcl 132 /* 133 * special record types 134 */ 135 #define TS_TAPE 1 /* dump tape header */ 136 #define TS_INODE 2 /* beginning of file record */ 137 #define TS_ADDR 4 /* continuation of file record */ 138 #define TS_BITS 3 /* map of inodes on tape */ 139 #define TS_CLRI 6 /* map of inodes deleted since last dump */ 140 #define TS_END 5 /* end of volume marker */ 141 142 #endif /* !_DUMPRESTORE_H_ */ 143