NetBSD/sys/arch/pmax/stand/dec_label.c

93 lines
3.3 KiB
C

/* $NetBSD: dec_label.c,v 1.3 1994/10/26 21:10:53 cgd Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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.
*
* @(#)dec_label.c 8.1 (Berkeley) 6/10/93
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/disklabel.h>
#include <pmax/stand/dec_boot.h>
struct disklabel label;
struct Dec_DiskLabel dec_label;
/*
* This program creates or updates the DEC label after 'disklabel'
* has initialized the Berkeley disk label.
* This program may be useful in sharing ULTRIX disks with 4.4 BSD but it
* hasn't been tested much. Use at your own risk.
*
* Usage: dec_label <disk>
*/
main(argc, argv)
int argc;
char *argv[];
{
register int i;
int fd;
if (argc != 2) {
fprintf(stderr, "Usage: dec_label <disk>\n");
exit(1);
}
if ((fd = open(argv[1], O_RDWR, 0)) < 0)
err(1, "%s", argv[1]);
if (ioctl(fd, DIOCGDINFO, &label) < 0)
err(1, "ioctl DIOCGDINFO");
/* fill in DEC label */
dec_label.magic = DEC_LABEL_MAGIC;
dec_label.isPartitioned = 1;
for (i = 0; i < DEC_NUM_DISK_PARTS; i++) {
dec_label.map[i].numBlocks = label.d_partitions[i].p_size;
dec_label.map[i].startBlock = label.d_partitions[i].p_offset;
printf("%d: start %d size %d\n", i, dec_label.map[i].startBlock,
dec_label.map[i].numBlocks);
}
if (lseek(fd, (off_t)DEC_LABEL_SECTOR * label.d_secsize, SEEK_SET) == -1)
err(1, "lseek");
if (write(fd, &dec_label, sizeof(dec_label)) != sizeof(dec_label))
err(1, "write label");
return (0);
}