osfmk/mach/vm_attributes.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, 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 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  34  * All Rights Reserved.
  35  *
  36  * Permission to use, copy, modify and distribute this software and its
  37  * documentation is hereby granted, provided that both the copyright
  38  * notice and this permission notice appear in all copies of the
  39  * software, derivative works or modified versions, and any portions
  40  * thereof, and that both notices appear in supporting documentation.
  41  *
  42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  45  *
  46  * Carnegie Mellon requests users of this software to return to
  47  *
  48  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  49  *  School of Computer Science
  50  *  Carnegie Mellon University
  51  *  Pittsburgh PA 15213-3890
  52  *
  53  * any improvements or extensions that they make and grant Carnegie Mellon
  54  * the rights to redistribute these changes.
  55  */
  56 /*
  57  */
  58 /*
  59  *      File:   mach/vm_attributes.h
  60  *      Author: Alessandro Forin
  61  *
  62  *      Virtual memory attributes definitions.
  63  *
  64  *      These definitions are in addition to the machine-independent
  65  *      ones (e.g. protection), and are only selectively supported
  66  *      on specific machine architectures.
  67  *
  68  */
  69
  70 #ifndef _MACH_VM_ATTRIBUTES_H_
  71 #define _MACH_VM_ATTRIBUTES_H_
  72
  73 /*
  74  *      Types of machine-dependent attributes
  75  */
  76 typedef unsigned int    vm_machine_attribute_t;
  77
  78 #define MATTR_CACHE             1       /* cachability */
  79 #define MATTR_MIGRATE           2       /* migrability */
  80 #define MATTR_REPLICATE         4       /* replicability */
  81
  82 /*
  83  *      Values for the above, e.g. operations on attribute
  84  */
  85 typedef int             vm_machine_attribute_val_t;
  86
  87 #define MATTR_VAL_OFF           0       /* (generic) turn attribute off */
  88 #define MATTR_VAL_ON            1       /* (generic) turn attribute on */
  89 #define MATTR_VAL_GET           2       /* (generic) return current value */
  90
  91 #define MATTR_VAL_CACHE_FLUSH   6       /* flush from all caches */
  92 #define MATTR_VAL_DCACHE_FLUSH  7       /* flush from data caches */
  93 #define MATTR_VAL_ICACHE_FLUSH  8       /* flush from instruction caches */
  94 #define MATTR_VAL_CACHE_SYNC    9       /* sync I+D caches */
  95 #define MATTR_VAL_CACHE_SYNC    9       /* sync I+D caches */
  96
  97 #define MATTR_VAL_GET_INFO      10      /* get page info (stats) */
  98
  99 #endif  /* _MACH_VM_ATTRIBUTES_H_ */