11.11Sriastrad/*	$NetBSD: mutex.h,v 1.11 2023/07/12 12:50:12 riastradh Exp $	*/
21.2Sad
31.2Sad/*-
41.2Sad * Copyright (c) 2002, 2007 The NetBSD Foundation, Inc.
51.2Sad * All rights reserved.
61.2Sad *
71.2Sad * This code is derived from software contributed to The NetBSD Foundation
81.2Sad * by Jason R. Thorpe and Andrew Doran.
91.2Sad *
101.2Sad * Redistribution and use in source and binary forms, with or without
111.2Sad * modification, are permitted provided that the following conditions
121.2Sad * are met:
131.2Sad * 1. Redistributions of source code must retain the above copyright
141.2Sad *    notice, this list of conditions and the following disclaimer.
151.2Sad * 2. Redistributions in binary form must reproduce the above copyright
161.2Sad *    notice, this list of conditions and the following disclaimer in the
171.2Sad *    documentation and/or other materials provided with the distribution.
181.2Sad *
191.2Sad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.2Sad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.2Sad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.2Sad * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.2Sad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.2Sad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.2Sad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.2Sad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.2Sad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.2Sad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.2Sad * POSSIBILITY OF SUCH DAMAGE.
301.2Sad */
311.2Sad
321.2Sad#ifndef _MIPS_MUTEX_H_
331.2Sad#define	_MIPS_MUTEX_H_
341.2Sad
351.11Sriastrad#include <sys/types.h>
361.11Sriastrad
371.2Sad#ifndef __MUTEX_PRIVATE
381.2Sad
391.2Sadstruct kmutex {
401.2Sad	uintptr_t	mtx_pad1;
411.3Syamt	uint32_t	mtx_pad2[2];
421.2Sad};
431.2Sad
441.2Sad#else	/* __MUTEX_PRIVATE */
451.2Sad
461.10Sriastrad#include <machine/intr.h>
471.2Sad
481.2Sadstruct kmutex {
491.2Sad	volatile uintptr_t	mtx_owner;
501.2Sad	ipl_cookie_t		mtx_ipl;
511.2Sad	__cpu_simple_lock_t	mtx_lock;
521.2Sad};
531.2Sad
541.2Sad#define	__HAVE_SIMPLE_MUTEXES		1
551.2Sad#define	__HAVE_MUTEX_STUBS		1
561.2Sad#define	__HAVE_SPIN_MUTEX_STUBS		1
571.2Sad
581.2Sad#endif	/* __MUTEX_PRIVATE */
591.2Sad
601.2Sad#endif /* _MIPS_MUTEX_H_ */
611.2Sad
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