include/protocols/dumprestore.h

   1 /*      $NetBSD: dumprestore.h,v 1.16 2009/01/11 03:04:12 christos 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. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)dumprestore.h       8.2 (Berkeley) 1/21/94
  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 union u_spcl {
  69         char dummy[TP_BSIZE];
  70         struct  s_spcl {
  71                 int32_t c_type;             /* record type (see below) */
  72                 int32_t c_old_date;         /* date of this dump */
  73                 int32_t c_old_ddate;        /* date of previous dump */
  74                 int32_t c_volume;           /* dump volume number */
  75                 int32_t c_old_tapea;        /* logical block of this record */
  76                 uint32_t c_inumber;         /* number of inode */
  77                 int32_t c_magic;            /* magic number (see above) */
  78                 int32_t c_checksum;         /* record checksum */
  79                 union {
  80                         struct ufs1_dinode __uc_dinode;
  81                         struct {
  82                                 uint16_t __uc_mode;
  83                                 int16_t __uc_spare1[3];
  84                                 uint64_t __uc_size;
  85                                 int32_t __uc_old_atime;
  86                                 int32_t __uc_atimensec;
  87                                 int32_t __uc_old_mtime;
  88                                 int32_t __uc_mtimensec;
  89                                 int32_t __uc_spare2[2];
  90                                 int32_t __uc_rdev;
  91                                 int32_t __uc_birthtimensec;
  92                                 int64_t __uc_birthtime;
  93                                 int64_t __uc_atime;
  94                                 int64_t __uc_mtime;
  95                                 int32_t __uc_spare4[7];
  96                                 uint32_t __uc_file_flags;
  97                                 int32_t __uc_spare5[2];
  98                                 uint32_t __uc_uid;
  99                                 uint32_t __uc_gid;
 100                                 int32_t __uc_spare6[2];
 101                         } __uc_ino;
 102                 } __c_ino;
 103                 int32_t c_count;            /* number of valid c_addr entries */
 104                 char    c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
 105                 char    c_label[LBLSIZE];   /* dump label */
 106                 int32_t c_level;            /* level of this dump */
 107                 char    c_filesys[NAMELEN]; /* name of dumpped file system */
 108                 char    c_dev[NAMELEN];     /* name of dumpped device */
 109                 char    c_host[NAMELEN];    /* name of dumpped host */
 110                 int32_t c_flags;            /* additional information */
 111                 int32_t c_old_firstrec;     /* first record on volume */
 112                 int64_t c_date;             /* date of this dump */
 113                 int64_t c_ddate;            /* date of previous dump */
 114                 int64_t c_tapea;            /* logical block of this record */
 115                 int64_t c_firstrec;         /* first record on volume */
 116                 int32_t c_spare[24];        /* reserved for future uses */
 117         } s_spcl;
 118 } u_spcl;
 119 #define spcl u_spcl.s_spcl
 120
 121 #define c_dinode        __c_ino.__uc_dinode
 122 #define c_mode          __c_ino.__uc_ino.__uc_mode
 123 #define c_spare1        __c_ino.__uc_ino.__uc_spare1
 124 #define c_size          __c_ino.__uc_ino.__uc_size
 125 #define c_old_atime     __c_ino.__uc_ino.__uc_old_atime
 126 #define c_atime         __c_ino.__uc_ino.__uc_atime
 127 #define c_atimensec     __c_ino.__uc_ino.__uc_atimensec
 128 #define c_mtime         __c_ino.__uc_ino.__uc_mtime
 129 #define c_mtimensec     __c_ino.__uc_ino.__uc_mtimensec
 130 #define c_birthtime     __c_ino.__uc_ino.__uc_birthtime
 131 #define c_birthtimensec __c_ino.__uc_ino.__uc_birthtimensec
 132 #define c_old_mtime     __c_ino.__uc_ino.__uc_old_mtime
 133 #define c_rdev          __c_ino.__uc_ino.__uc_rdev
 134 #define c_file_flags    __c_ino.__uc_ino.__uc_file_flags
 135 #define c_uid           __c_ino.__uc_ino.__uc_uid
 136 #define c_gid           __c_ino.__uc_ino.__uc_gid
 137
 138 /*
 139  * special record types
 140  */
 141 #define TS_TAPE         1       /* dump tape header */
 142 #define TS_INODE        2       /* beginning of file record */
 143 #define TS_ADDR         4       /* continuation of file record */
 144 #define TS_BITS         3       /* map of inodes on tape */
 145 #define TS_CLRI         6       /* map of inodes deleted since last dump */
 146 #define TS_END          5       /* end of volume marker */
 147
 148 /*
 149  * flag values
 150  */
 151 #define DR_NEWHEADER    0x0001  /* new format tape header */
 152 #define DR_NEWINODEFMT  0x0002  /* new format inodes on tape */
 153 #define DR_EXTATTRIBUTES 0x8000 /* linux: extended attributes */
 154
 155 #define DUMPOUTFMT      "%-16s %c %s"           /* for printf */
 156                                                 /* name, level, ctime(date) */
 157 #define DUMPINFMT       "%16s %c %[^\n]\n"      /* inverse for scanf */
 158
 159 #endif /* !_PROTOCOLS_DUMPRESTORE_H_ */