1 /* $OpenBSD: mbr.h,v 1.44 2022/07/26 14:30:37 krw Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Tobias Weingartner 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 struct mbr { 20 uint64_t mbr_lba_firstembr; 21 uint64_t mbr_lba_self; 22 unsigned char mbr_code[DOSPARTOFF]; 23 struct prt mbr_prt[NDOSPART]; 24 uint16_t mbr_signature; 25 unsigned int mbr_dmbrzeros; 26 }; 27 28 extern struct dos_mbr default_dmbr; 29 30 void MBR_print(const struct mbr *, const char *); 31 void MBR_init(struct mbr *); 32 int MBR_read(const uint64_t, const uint64_t, struct mbr *); 33 int MBR_write(const struct mbr *); 34 int MBR_valid_prt(const struct mbr *); 35