efiio.h revision 318576 
1/*-
2 * Copyright (c) 2016 Netflix, Inc.
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 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/sys/efiio.h 318576 2017-05-20 16:12:44Z kib $
27 */
28
29#ifndef	_SYS_EFIIO_H_
30#define	_SYS_EFIIO_H_
31
32#include <sys/ioccom.h>
33#include <sys/uuid.h>
34#include <sys/efi.h>
35
36struct efi_get_table_ioc
37{
38	struct uuid uuid;	/* UUID to look up */
39	void *ptr;		/* Pointer to table in KVA space */
40};
41
42struct efi_var_ioc
43{
44	efi_char *name;		/* User pointer to name, in wide chars */
45	size_t namesize;	/* Number of wide characters in name */
46	struct uuid vendor;	/* Vendor's UUID for variable */
47	uint32_t attrib;	/* Attributes */
48	void *data;		/* User pointer to the data */
49	size_t datasize;	/* Number of *bytes* in the data */
50};
51
52#define EFIIOC_GET_TABLE	_IOWR('E',  1, struct efi_get_table_ioc)
53#define EFIIOC_GET_TIME		_IOR('E',   2, struct efi_tm)
54#define EFIIOC_SET_TIME		_IOW('E',   3, struct efi_tm)
55#define EFIIOC_VAR_GET		_IOWR('E',  4, struct efi_var_ioc)
56#define EFIIOC_VAR_NEXT		_IOWR('E',  5, struct efi_var_ioc)
57#define EFIIOC_VAR_SET		_IOWR('E',  6, struct efi_var_ioc)
58
59#endif /* _SYS_EFIIO_H_ */
60