1/* $NetBSD: acpi_slit.h,v 1.2 2009/12/04 10:42:39 njoly Exp $ */
2
3/*
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christoph Egger.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _SYS_DEV_ACPI_ACPI_SLIT_H
33#define _SYS_DEV_ACPI_ACPI_SLIT_H
34
35/* Returns true if ACPI SLIT table is available
36 * If table does not exist, all functions below
37 * have undefined behaviour.
38 */
39bool acpislit_exist(void);
40
41/* Initializes parser. Must be the first function
42 * being called when table is available.
43 */
44int acpislit_init(void);
45
46void acpislit_dump(void);
47
48/* Retrieve number of cpus */
49uint32_t acpislit_cpus(void);
50
51/* Get distance between cpu1 and cpu2 */
52uint32_t acpislit_distance(uint32_t, uint32_t);
53
54#endif	/* !_SYS_DEV_ACPI_ACPI_SLIT_H */
55