1/*-
2 * Copyright (c) 2010 Marcel Moolenaar
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 * $FreeBSD$
27 */
28
29#ifndef _LIBEFI_H_
30#define	_LIBEFI_H_
31
32#include <sys/types.h>
33#include <sys/uuid.h>
34#include <stddef.h>
35
36/* Attributes. */
37#define	EFI_ATTR_NV	0x0001	/* Variable stored in NVRAM. */
38#define	EFI_ATTR_BS	0x0002	/* Boot services accessable. */
39#define	EFI_ATTR_RT	0x0004	/* Runtime accessable. */
40#define	EFI_ATTR_HR	0x0008	/* Hardware error record. */
41#define	EFI_ATTR_WR	0x0010	/* Authenticated write access. */
42
43/* Vendor for architecturally defined variables. */
44#define	EFI_GLOBAL_VARIABLE	\
45	{0x8be4df61,0x93ca,0x11d2,0xaa,0x0d,{0x00,0xe0,0x98,0x03,0x2b,0x8c}}
46
47/* Vendor for FreeBSD-specific variables. */
48#define	EFI_FREEBSD_VARIABLE	\
49	{0x13c32014,0x0c9c,0x11df,0xa2,0x38,{0x00,0x17,0xa4,0xab,0x91,0x2d}}
50
51__BEGIN_DECLS
52int	efi_getvar	(char *, uuid_t *, uint32_t *, size_t *, void *);
53int	efi_nextvarname	(size_t *, char *, uuid_t *);
54int	efi_setvar	(char *, uuid_t *, uint32_t, size_t, void *);
55__END_DECLS
56
57#endif /* _LIBEFI_H_ */
58