1 /* $NetBSD: kcpuset.h,v 1.3 2011/08/08 17:53:29 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 2008, 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas and Mindaugas Rasiukevicius. 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_KCPUSET_H_ 33 #define _SYS_KCPUSET_H_ 34 35 struct kcpuset; 36 typedef struct kcpuset kcpuset_t; 37 38 #ifdef _KERNEL 39 40 #include <sys/sched.h> 41 42 void kcpuset_sysinit(void); 43 44 void kcpuset_create(kcpuset_t **, bool); 45 void kcpuset_destroy(kcpuset_t *); 46 void kcpuset_copy(kcpuset_t *, kcpuset_t *); 47 48 void kcpuset_use(kcpuset_t *); 49 void kcpuset_unuse(kcpuset_t *, kcpuset_t **); 50 51 int kcpuset_copyin(const cpuset_t *, kcpuset_t *, size_t); 52 int kcpuset_copyout(kcpuset_t *, cpuset_t *, size_t); 53 54 void kcpuset_zero(kcpuset_t *); 55 void kcpuset_fill(kcpuset_t *); 56 void kcpuset_set(kcpuset_t *, cpuid_t); 57 void kcpuset_clear(kcpuset_t *, cpuid_t); 58 59 int kcpuset_isset(kcpuset_t *, cpuid_t); 60 bool kcpuset_iszero(kcpuset_t *); 61 bool kcpuset_match(const kcpuset_t *, const kcpuset_t *); 62 void kcpuset_merge(kcpuset_t *, kcpuset_t *); 63 64 void kcpuset_atomic_set(kcpuset_t *, cpuid_t); 65 void kcpuset_atomic_clear(kcpuset_t *, cpuid_t); 66 67 #endif 68 69 #endif /* _SYS_KCPUSET_H_ */ 70