xref: /netbsd-src/sys/dev/efivar.h (revision 2718af68c3efc72c9769069b5c7f9ed36f6b9def)
1 /* $NetBSD: efivar.h,v 1.1 2021/10/10 13:03:09 jmcneill Exp $ */
2 
3 /*-
4  * Copyright (c) 2021 Jared McNeill <jmcneill@invisible.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_EFIVAR_H
30 #define _DEV_EFIVAR_H
31 
32 #include <machine/efi.h>
33 
34 struct efi_ops {
35 	efi_status	(*efi_gettime)(struct efi_tm *, struct efi_tmcap *);
36 	efi_status	(*efi_settime)(struct efi_tm *);
37 	efi_status	(*efi_getvar)(uint16_t *, struct uuid *, uint32_t *,
38 				      u_long *, void *);
39 	efi_status	(*efi_setvar)(uint16_t *, struct uuid *, uint32_t,
40 				      u_long, void *);
41 	efi_status	(*efi_nextvar)(u_long *, uint16_t *, struct uuid *);
42 };
43 
44 void	efi_register_ops(const struct efi_ops *);
45 
46 #endif /* !_DEV_EFIVAR_H */
47