mbr.c revision 263440
1/*- 2 * Copyright (c) 2014 Juniper Networks, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: user/marcel/mkimg/mbr.c 263440 2014-03-20 19:37:30Z marcel $"); 29 30#include <sys/types.h> 31#include <sys/diskmbr.h> 32#include <sys/linker_set.h> 33#include <sys/queue.h> 34#include <stdlib.h> 35#include <uuid.h> 36 37#include "mkimg.h" 38#include "scheme.h" 39 40static struct mkimg_alias mbr_aliases[] = { 41 { NULL, 0 } 42}; 43 44static u_int 45mbr_metadata(u_int where, u_int parts __unused, u_int secsz __unused) 46{ 47 u_int secs; 48 49 secs = (where == SCHEME_META_IMG_START) ? 1 : 0; 50 return (secs); 51} 52 53static struct mkimg_scheme mbr_scheme = { 54 .name = "mbr", 55 .description = "Master Boot Record", 56 .aliases = mbr_aliases, 57 .metadata = mbr_metadata, 58 .nparts = NDOSPART 59}; 60 61SCHEME_DEFINE(mbr_scheme); 62