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 _MACHINE_IODEV_H_
30#define	_MACHINE_IODEV_H_
31
32#include <sys/uuid.h>
33
34#ifdef _KERNEL
35#include <machine/bus.h>
36#endif
37
38#define	IODEV_EFIVAR_GETVAR	0
39#define	IODEV_EFIVAR_NEXTNAME	1
40#define	IODEV_EFIVAR_SETVAR	2
41
42struct iodev_efivar_req {
43	u_int	access;
44	u_int	result;			/* errno value */
45	size_t	namesize;
46	u_short	*name;			/* UCS-2 */
47	struct uuid vendor;
48	uint32_t attrib;
49	size_t	datasize;
50	void	*data;
51};
52
53#define	IODEV_EFIVAR	_IOWR('I', 1, struct iodev_efivar_req)
54
55#ifdef _KERNEL
56#define	iodev_read_1	bus_space_read_io_1
57#define	iodev_read_2	bus_space_read_io_2
58#define	iodev_read_4	bus_space_read_io_4
59#define	iodev_write_1	bus_space_write_io_1
60#define	iodev_write_2	bus_space_write_io_2
61#define	iodev_write_4	bus_space_write_io_4
62
63int	 iodev_open(struct thread *td);
64int	 iodev_close(struct thread *td);
65int	 iodev_ioctl(u_long, caddr_t data);
66
67#endif /* _KERNEL */
68#endif /* _MACHINE_IODEV_H_ */
69