1 /* $NetBSD: acpi_slit.h,v 1.3 2010/03/05 08:30:48 jruoho 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 */ 39 bool acpislit_exist(void); 40 41 /* Initializes parser. Must be the first function 42 * being called when table is available. 43 */ 44 int acpislit_init(void); 45 46 void acpislit_dump(void); 47 48 /* Retrieve number of cpus */ 49 uint32_t acpislit_cpus(void); 50 51 /* Get distance between cpu1 and cpu2 */ 52 uint32_t acpislit_distance(uint32_t, uint32_t); 53 54 #endif /* !_SYS_DEV_ACPI_ACPI_SLIT_H */ 55