NetBSD/sys/dev/acpi/acpi_slit.h

55 lines
2.1 KiB
C

/* $NetBSD: acpi_slit.h,v 1.3 2010/03/05 08:30:48 jruoho Exp $ */
/*
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christoph Egger.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_DEV_ACPI_ACPI_SLIT_H
#define _SYS_DEV_ACPI_ACPI_SLIT_H
/* Returns true if ACPI SLIT table is available
* If table does not exist, all functions below
* have undefined behaviour.
*/
bool acpislit_exist(void);
/* Initializes parser. Must be the first function
* being called when table is available.
*/
int acpislit_init(void);
void acpislit_dump(void);
/* Retrieve number of cpus */
uint32_t acpislit_cpus(void);
/* Get distance between cpu1 and cpu2 */
uint32_t acpislit_distance(uint32_t, uint32_t);
#endif /* !_SYS_DEV_ACPI_ACPI_SLIT_H */