/*      $NetBSD: cpuset.h,v 1.8 2008/04/28 20:23:37 martin Exp $ */

/*-
 * Copyright (c) 2004 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * 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 _SPARC64_CPUSET_H_
#define _SPARC64_CPUSET_H_

#define CPUSET_MAXNUMCPU        64
typedef uint64_t sparc64_cpuset_t;
extern volatile sparc64_cpuset_t cpus_active;

#define CPUSET_SINGLE(cpu)              ((sparc64_cpuset_t)1 << (cpu))

#define CPUSET_ADD(set, cpu)            ((set) |= CPUSET_SINGLE(cpu))
#define CPUSET_DEL(set, cpu)            ((set) &= ~CPUSET_SINGLE(cpu))
#define CPUSET_SUB(set1, set2)          ((set1) &= ~(set2))

#define CPUSET_EXCEPT(set, cpu)         ((set) & ~CPUSET_SINGLE(cpu))

#define CPUSET_HAS(set, cpu)            ((set) & CPUSET_SINGLE(cpu))
#define CPUSET_NEXT(set)                (ffs(set) - 1)

#define CPUSET_EMPTY(set)               ((set) == (sparc64_cpuset_t)0)
#define CPUSET_EQUAL(set1, set2)        ((set1) == (set2))
#define CPUSET_CLEAR(set)               ((set) = (sparc64_cpuset_t)0)
#define CPUSET_ASSIGN(set1, set2)       ((set1) = (set2))

#endif /* _SPARC64_CPUSET_H_ */