1/*	$OpenBSD: boot_flag.h,v 1.8 2023/11/09 14:26:34 kn Exp $	*/
2/*	$NetBSD: boot_flag.h,v 1.3 2001/07/01 02:56:21 gmcgarry Exp $	*/
3
4/*-
5 * Copyright (c) 2000 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef _MACHINE_BOOT_FLAG_H_
31#define _MACHINE_BOOT_FLAG_H_
32
33/* softraid boot information */
34#define BOOTSR_UUID_MAX 16
35#define BOOTSR_CRYPTO_MAXKEYBYTES 32
36
37/* MD boot data in .openbsd.bootdata ELF segment */
38struct openbsd_bootdata {
39	u_int64_t 	version;
40	u_int64_t 	len;	/* of structure */
41
42	u_int8_t	sr_uuid[BOOTSR_UUID_MAX];
43	u_int8_t	sr_maskkey[BOOTSR_CRYPTO_MAXKEYBYTES];
44	u_int32_t	boothowto;
45} __packed;
46
47#define BOOTDATA_VERSION	1
48#define BOOTDATA_LEN_BOOTHOWTO	68
49
50#endif /* _MACHINE_BOOT_FLAG_H_ */
51