1 /* $NetBSD: cpuset.h,v 1.8 2008/04/28 20:23:37 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _SPARC64_CPUSET_H_ 30 #define _SPARC64_CPUSET_H_ 31 32 #define CPUSET_MAXNUMCPU 64 33 typedef uint64_t sparc64_cpuset_t; 34 extern volatile sparc64_cpuset_t cpus_active; 35 36 #define CPUSET_SINGLE(cpu) ((sparc64_cpuset_t)1 << (cpu)) 37 38 #define CPUSET_ADD(set, cpu) ((set) |= CPUSET_SINGLE(cpu)) 39 #define CPUSET_DEL(set, cpu) ((set) &= ~CPUSET_SINGLE(cpu)) 40 #define CPUSET_SUB(set1, set2) ((set1) &= ~(set2)) 41 42 #define CPUSET_EXCEPT(set, cpu) ((set) & ~CPUSET_SINGLE(cpu)) 43 44 #define CPUSET_HAS(set, cpu) ((set) & CPUSET_SINGLE(cpu)) 45 #define CPUSET_NEXT(set) (ffs(set) - 1) 46 47 #define CPUSET_EMPTY(set) ((set) == (sparc64_cpuset_t)0) 48 #define CPUSET_EQUAL(set1, set2) ((set1) == (set2)) 49 #define CPUSET_CLEAR(set) ((set) = (sparc64_cpuset_t)0) 50 #define CPUSET_ASSIGN(set1, set2) ((set1) = (set2)) 51 52 #endif /* _SPARC64_CPUSET_H_ */ 53