bsd/include/protocols/dumprestore.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1980, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  * (c) UNIX System Laboratories, Inc.
  26  * All or some portions of this file are derived from material licensed
  27  * to the University of California by American Telephone and Telegraph
  28  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  29  * the permission of UNIX System Laboratories, Inc.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  * 1. Redistributions of source code must retain the above copyright
  35  *    notice, this list of conditions and the following disclaimer.
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in the
  38  *    documentation and/or other materials provided with the distribution.
  39  * 3. All advertising materials mentioning features or use of this software
  40  *    must display the following acknowledgement:
  41  *      This product includes software developed by the University of
  42  *      California, Berkeley and its contributors.
  43  * 4. Neither the name of the University nor the names of its contributors
  44  *    may be used to endorse or promote products derived from this software
  45  *    without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  57  * SUCH DAMAGE.
  58  *
  59  *      @(#)dumprestore.h       8.2 (Berkeley) 1/21/94
  60  */
  61
  62 #ifndef _DUMPRESTORE_H_
  63 #define _DUMPRESTORE_H_
  64
  65 /*
  66  * TP_BSIZE is the size of file blocks on the dump tapes.
  67  * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
  68  *
  69  * NTREC is the number of TP_BSIZE blocks that are written
  70  * in each tape record. HIGHDENSITYTREC is the number of
  71  * TP_BSIZE blocks that are written in each tape record on
  72  * 6250 BPI or higher density tapes.
  73  *
  74  * TP_NINDIR is the number of indirect pointers in a TS_INODE
  75  * or TS_ADDR record. Note that it must be a power of two.
  76  */
  77 #define TP_BSIZE        1024
  78 #define NTREC           10
  79 #define HIGHDENSITYTREC 32
  80 #define TP_NINDIR       (TP_BSIZE/2)
  81 #define LBLSIZE         16
  82 #define NAMELEN         64
  83
  84 #define OFS_MAGIC       (int)60011
  85 #define NFS_MAGIC       (int)60012
  86 #define CHECKSUM        (int)84446
  87
  88 union u_spcl {
  89         char dummy[TP_BSIZE];
  90         struct  s_spcl {
  91                 long    c_type;             /* record type (see below) */
  92                 time_t  c_date;             /* date of this dump */
  93                 time_t  c_ddate;            /* date of previous dump */
  94                 long    c_volume;           /* dump volume number */
  95                 daddr_t c_tapea;            /* logical block of this record */
  96                 ino_t   c_inumber;          /* number of inode */
  97                 long    c_magic;            /* magic number (see above) */
  98                 long    c_checksum;         /* record checksum */
  99                 struct  dinode  c_dinode;   /* ownership and mode of inode */
 100                 long    c_count;            /* number of valid c_addr entries */
 101                 char    c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
 102                 char    c_label[LBLSIZE];   /* dump label */
 103                 long    c_level;            /* level of this dump */
 104                 char    c_filesys[NAMELEN]; /* name of dumpped file system */
 105                 char    c_dev[NAMELEN];     /* name of dumpped device */
 106                 char    c_host[NAMELEN];    /* name of dumpped host */
 107                 long    c_flags;            /* additional information */
 108                 long    c_firstrec;         /* first record on volume */
 109                 long    c_spare[32];        /* reserved for future uses */
 110         } s_spcl;
 111 };
 112
 113 /*
 114  * special record types
 115  */
 116 #define TS_TAPE         1       /* dump tape header */
 117 #define TS_INODE        2       /* beginning of file record */
 118 #define TS_ADDR         4       /* continuation of file record */
 119 #define TS_BITS         3       /* map of inodes on tape */
 120 #define TS_CLRI         6       /* map of inodes deleted since last dump */
 121 #define TS_END          5       /* end of volume marker */
 122
 123 /*
 124  * flag values
 125  */
 126 #define DR_NEWHEADER    0x0001  /* new format tape header */
 127 #define DR_NEWINODEFMT  0x0002  /* new format inodes on tape */
 128
 129 #define DUMPOUTFMT      "%-16s %c %s"           /* for printf */
 130                                                 /* name, level, ctime(date) */
 131 #define DUMPINFMT       "%16s %c %[^\n]\n"      /* inverse for scanf */
 132
 133 #endif /* !_DUMPRESTORE_H_ */