1203181Smarcel/*-
2203181Smarcel * Copyright (c) 2010 Marcel Moolenaar
3203181Smarcel * All rights reserved.
4203181Smarcel *
5203181Smarcel * Redistribution and use in source and binary forms, with or without
6203181Smarcel * modification, are permitted provided that the following conditions
7203181Smarcel * are met:
8203181Smarcel * 1. Redistributions of source code must retain the above copyright
9203181Smarcel *    notice, this list of conditions and the following disclaimer.
10203181Smarcel * 2. Redistributions in binary form must reproduce the above copyright
11203181Smarcel *    notice, this list of conditions and the following disclaimer in the
12203181Smarcel *    documentation and/or other materials provided with the distribution.
13203181Smarcel *
14203181Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15203181Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16203181Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17203181Smarcel * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18203181Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19203181Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20203181Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21203181Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22203181Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23203181Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24203181Smarcel * SUCH DAMAGE.
25203181Smarcel *
26203181Smarcel * $FreeBSD$
27203181Smarcel */
28203181Smarcel
29203181Smarcel#ifndef _LIBEFI_H_
30203181Smarcel#define	_LIBEFI_H_
31203181Smarcel
32203181Smarcel#include <sys/types.h>
33203181Smarcel#include <sys/uuid.h>
34203181Smarcel#include <stddef.h>
35203181Smarcel
36203181Smarcel/* Attributes. */
37203181Smarcel#define	EFI_ATTR_NV	0x0001	/* Variable stored in NVRAM. */
38203181Smarcel#define	EFI_ATTR_BS	0x0002	/* Boot services accessable. */
39203181Smarcel#define	EFI_ATTR_RT	0x0004	/* Runtime accessable. */
40203181Smarcel#define	EFI_ATTR_HR	0x0008	/* Hardware error record. */
41203181Smarcel#define	EFI_ATTR_WR	0x0010	/* Authenticated write access. */
42203181Smarcel
43203181Smarcel/* Vendor for architecturally defined variables. */
44203181Smarcel#define	EFI_GLOBAL_VARIABLE	\
45203181Smarcel	{0x8be4df61,0x93ca,0x11d2,0xaa,0x0d,{0x00,0xe0,0x98,0x03,0x2b,0x8c}}
46203181Smarcel
47203181Smarcel/* Vendor for FreeBSD-specific variables. */
48203181Smarcel#define	EFI_FREEBSD_VARIABLE	\
49203181Smarcel	{0x13c32014,0x0c9c,0x11df,0xa2,0x38,{0x00,0x17,0xa4,0xab,0x91,0x2d}}
50203181Smarcel
51203181Smarcel__BEGIN_DECLS
52203181Smarcelint	efi_getvar	(char *, uuid_t *, uint32_t *, size_t *, void *);
53203181Smarcelint	efi_nextvarname	(size_t *, char *, uuid_t *);
54203181Smarcelint	efi_setvar	(char *, uuid_t *, uint32_t, size_t, void *);
55203181Smarcel__END_DECLS
56203181Smarcel
57203181Smarcel#endif /* _LIBEFI_H_ */
58