osfmk/i386/cpu_affinity.h

   1 /*
   2  * Copyright (c) 2003-2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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  23  * Please see the License for the specific language governing rights and
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  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 #ifdef KERNEL_PRIVATE
  29 #ifndef _I386_CPU_AFFINITY_H_
  30 #define _I386_CPU_AFFINITY_H_
  31
  32 #include <i386/cpu_topology.h>
  33
  34 typedef struct x86_affinity_set
  35 {
  36     struct x86_affinity_set     *next;  /* Forward link */
  37     struct x86_cpu_cache        *cache; /* The L2 cache concerned */
  38     processor_set_t             pset;   /* The processor set container */
  39     uint32_t                    num;    /* Logical id */
  40 } x86_affinity_set_t;
  41
  42 extern x86_affinity_set_t *x86_affinities;      /* root of all affinities */
  43
  44 extern int              ml_get_max_affinity_sets(void);
  45 extern processor_set_t  ml_affinity_to_pset(uint32_t affinity_num);
  46
  47 #endif /* _I386_CPU_AFFINITY_H_ */
  48 #endif /* KERNEL_PRIVATE */