freebsd-nq/sys/sys/_cpuset.h
Attilio Rao 7536331217 Generalize the bitset operations, present in cpuset and offer a KPI to
redefine such operations for different consumers.
This will be used when NUMA support will be finished and numaset
will need to be used.

Sponsored by:	EMC / Isilon storage division
Obtained from:	jeff
Reviewed by:	alc
2013-05-09 00:04:59 +00:00

57 lines
1.9 KiB
C

/*-
* Copyright (c) 2008, Jeffrey Roberson <jeff@freebsd.org>
* All rights reserved.
*
* Copyright (c) 2008 Nokia Corporation
* 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 unmodified, 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 AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _SYS__CPUSET_H_
#define _SYS__CPUSET_H_
#include <sys/_bitset.h>
#ifdef _KERNEL
#define CPU_SETSIZE MAXCPU
#endif
#define CPU_MAXSIZE 128
#ifndef CPU_SETSIZE
#define CPU_SETSIZE CPU_MAXSIZE
#endif
#define _NCPUBITS _BITSET_BITS
#define _NCPUWORDS __bitset_words(CPU_SETSIZE)
BITSET_DEFINE(_cpuset, CPU_SETSIZE);
typedef struct _cpuset cpuset_t;
#define CPUSET_FSET BITSET_FSET(_NCPUWORDS)
#define CPUSET_T_INITIALIZER BITSET_T_INITIALIZER
#endif /* !_SYS__CPUSET_H_ */