usr/include/protocols/dumprestore.h

/*
 * Copyright (c) 1980, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)dumprestore.h       8.1 (Berkeley) 6/2/93
 */

#ifndef _DUMPRESTORE_H_
#define _DUMPRESTORE_H_

/*
 * TP_BSIZE is the size of file blocks on the dump tapes.
 * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
 *
 * NTREC is the number of TP_BSIZE blocks that are written
 * in each tape record. HIGHDENSITYTREC is the number of
 * TP_BSIZE blocks that are written in each tape record on
 * 6250 BPI or higher density tapes.
 *
 * TP_NINDIR is the number of indirect pointers in a TS_INODE
 * or TS_ADDR record. Note that it must be a power of two.
 */
#define TP_BSIZE        1024
#define NTREC           10
#define HIGHDENSITYTREC 32
#define TP_NINDIR       (TP_BSIZE/2)
#define LBLSIZE         16
#define NAMELEN         64

#define OFS_MAGIC       (int)60011
#define NFS_MAGIC       (int)60012
#define CHECKSUM        (int)84446

union u_spcl {
        char dummy[TP_BSIZE];
        struct  s_spcl {
                long    c_type;             /* record type (see below) */
                time_t  c_date;             /* date of this dump */
                time_t  c_ddate;            /* date of previous dump */
                long    c_volume;           /* dump volume number */
                daddr_t c_tapea;            /* logical block of this record */
                ino_t   c_inumber;          /* number of inode */
                long    c_magic;            /* magic number (see above) */
                long    c_checksum;         /* record checksum */
                struct  dinode  c_dinode;   /* ownership and mode of inode */
                long    c_count;            /* number of valid c_addr entries */
                char    c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
                char    c_label[LBLSIZE];   /* dump label */
                long    c_level;            /* level of this dump */
                char    c_filesys[NAMELEN]; /* name of dumpped file system */
                char    c_dev[NAMELEN];     /* name of dumpped device */
                char    c_host[NAMELEN];    /* name of dumpped host */
                long    c_flags;            /* additional information */
                long    c_firstrec;         /* first record on volume */
                long    c_spare[32];        /* reserved for future uses */
        } s_spcl;
} u_spcl;
#define spcl u_spcl.s_spcl
/*
 * special record types
 */
#define TS_TAPE         1       /* dump tape header */
#define TS_INODE        2       /* beginning of file record */
#define TS_ADDR         4       /* continuation of file record */
#define TS_BITS         3       /* map of inodes on tape */
#define TS_CLRI         6       /* map of inodes deleted since last dump */
#define TS_END          5       /* end of volume marker */

/*
 * flag values
 */
#define DR_NEWHEADER    0x0001  /* new format tape header */
#define DR_NEWINODEFMT  0x0002  /* new format inodes on tape */

#define DUMPOUTFMT      "%-16s %c %s"           /* for printf */
                                                /* name, level, ctime(date) */
#define DUMPINFMT       "%16s %c %[^\n]\n"      /* inverse for scanf */

#endif /* !_DUMPRESTORE_H_ */