11.9Sriastrad/* $NetBSD: mutex.h,v 1.9 2023/07/12 12:50:12 riastradh Exp $ */ 21.1Skochi 31.1Skochi/*- 41.1Skochi * Copyright (c) 2008 The NetBSD Foundation, Inc. 51.1Skochi * All rights reserved. 61.1Skochi * 71.1Skochi * This code is derived from software contributed to The NetBSD Foundation 81.1Skochi * by Takayoshi Kochi. 91.1Skochi * 101.1Skochi * Redistribution and use in source and binary forms, with or without 111.1Skochi * modification, are permitted provided that the following conditions 121.1Skochi * are met: 131.1Skochi * 1. Redistributions of source code must retain the above copyright 141.1Skochi * notice, this list of conditions and the following disclaimer. 151.1Skochi * 2. Redistributions in binary form must reproduce the above copyright 161.1Skochi * notice, this list of conditions and the following disclaimer in the 171.1Skochi * documentation and/or other materials provided with the distribution. 181.7Sriastrad * 191.1Skochi * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 201.1Skochi * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 211.1Skochi * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 221.1Skochi * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 231.1Skochi * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 241.1Skochi * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 251.1Skochi * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 261.1Skochi * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 271.1Skochi * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 281.1Skochi * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 291.1Skochi * POSSIBILITY OF SUCH DAMAGE. 301.2Skochi */ 311.1Skochi 321.1Skochi#ifndef _IA64_MUTEX_H_ 331.1Skochi#define _IA64_MUTEX_H_ 341.1Skochi 351.9Sriastrad#include <sys/types.h> 361.9Sriastrad 371.4Skiyohara#ifndef __MUTEX_PRIVATE 381.4Skiyohara 391.1Skochistruct kmutex { 401.4Skiyohara uintptr_t mtx_pad1; 411.4Skiyohara uint32_t mtx_pad2[2]; 421.1Skochi}; 431.1Skochi 441.4Skiyohara#else 451.4Skiyohara 461.8Sriastrad#include <machine/intr.h> 471.8Sriastrad 481.4Skiyoharastruct kmutex { 491.4Skiyohara volatile uintptr_t mtx_owner; 501.4Skiyohara ipl_cookie_t mtx_ipl; 511.4Skiyohara __cpu_simple_lock_t mtx_lock; 521.4Skiyohara}; 531.1Skochi 541.1Skochi/* XXX when we implement mutex_enter()/mutex_exit(), uncomment this 551.1Skochi#define __HAVE_MUTEX_STUBS 1 561.1Skochi*/ 571.1Skochi/* XXX when we implement mutex_spin_enter()/mutex_spin_exit(), uncomment this 581.1Skochi#define __HAVE_SPIN_MUTEX_STUBS 1 591.1Skochi*/ 601.1Skochi#define __HAVE_SIMPLE_MUTEXES 1 611.1Skochi 621.1Skochi#endif /* __MUTEX_PRIVATE */ 631.1Skochi 641.1Skochi#endif /* _IA64_MUTEX_H_ */ 65