2 * Copyright (c) 2016 The FreeBSD Foundation
5 * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
6 * under sponsorship from the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef __AMD64_INCLUDE_EFI_H_
33 #define __AMD64_INCLUDE_EFI_H_
36 * XXX: from gcc 6.2 manual:
37 * Note, the ms_abi attribute for Microsoft Windows 64-bit targets
38 * currently requires the -maccumulate-outgoing-args option.
40 #define EFIABI_ATTR __attribute__((ms_abi))
46 int efi_get_table(struct uuid *uuid, void **ptr);
47 int efi_get_time(struct efi_tm *tm);
48 int efi_get_time_locked(struct efi_tm *tm);
49 int efi_reset_system(void);
50 int efi_set_time(struct efi_tm *tm);
51 int efi_set_time_locked(struct efi_tm *tm);
52 int efi_var_get(uint16_t *name, struct uuid *vendor, uint32_t *attrib,
53 size_t *datasize, void *data);
54 int efi_var_nextname(size_t *namesize, uint16_t *name, struct uuid *vendor);
55 int efi_var_set(uint16_t *name, struct uuid *vendor, uint32_t attrib,
56 size_t datasize, void *data);
59 #endif /* __AMD64_INCLUDE_EFI_H_ */