xnu-1228.tar.gz

[apple/xnu.git] / osfmk / i386 / cpu_affinity.h

diff --git a/osfmk/i386/cpu_affinity.h b/osfmk/i386/cpu_affinity.h
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+/*
+ * Copyright (c) 2003-2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+#ifdef KERNEL_PRIVATE
+#ifndef _I386_CPU_AFFINITY_H_
+#define _I386_CPU_AFFINITY_H_
+
+#include <i386/cpu_topology.h>
+
+typedef struct x86_affinity_set
+{
+    struct x86_affinity_set    *next;  /* Forward link */
+    struct x86_cpu_cache       *cache; /* The L2 cache concerned */    
+    processor_set_t            pset;   /* The processor set container */
+    uint32_t                   num;    /* Logical id */
+} x86_affinity_set_t;
+
+extern x86_affinity_set_t *x86_affinities;     /* root of all affinities */
+
+extern int             ml_get_max_affinity_sets(void);
+extern processor_set_t ml_affinity_to_pset(uint32_t affinity_num);
+
+#endif /* _I386_CPU_AFFINITY_H_ */
+#endif /* KERNEL_PRIVATE */