osfmk/mach/vm_attributes.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * @OSF_COPYRIGHT@
  25  */
  26 /*
  27  * Mach Operating System
  28  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  29  * All Rights Reserved.
  30  *
  31  * Permission to use, copy, modify and distribute this software and its
  32  * documentation is hereby granted, provided that both the copyright
  33  * notice and this permission notice appear in all copies of the
  34  * software, derivative works or modified versions, and any portions
  35  * thereof, and that both notices appear in supporting documentation.
  36  *
  37  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  38  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  39  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  40  *
  41  * Carnegie Mellon requests users of this software to return to
  42  *
  43  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  44  *  School of Computer Science
  45  *  Carnegie Mellon University
  46  *  Pittsburgh PA 15213-3890
  47  *
  48  * any improvements or extensions that they make and grant Carnegie Mellon
  49  * the rights to redistribute these changes.
  50  */
  51 /*
  52  */
  53 /*
  54  *      File:   mach/vm_attributes.h
  55  *      Author: Alessandro Forin
  56  *
  57  *      Virtual memory attributes definitions.
  58  *
  59  *      These definitions are in addition to the machine-independent
  60  *      ones (e.g. protection), and are only selectively supported
  61  *      on specific machine architectures.
  62  *
  63  */
  64
  65 #ifndef _MACH_VM_ATTRIBUTES_H_
  66 #define _MACH_VM_ATTRIBUTES_H_
  67
  68 /*
  69  *      Types of machine-dependent attributes
  70  */
  71 typedef unsigned int    vm_machine_attribute_t;
  72
  73 #define MATTR_CACHE             1       /* cachability */
  74 #define MATTR_MIGRATE           2       /* migrability */
  75 #define MATTR_REPLICATE         4       /* replicability */
  76
  77 /*
  78  *      Values for the above, e.g. operations on attribute
  79  */
  80 typedef int             vm_machine_attribute_val_t;
  81
  82 #define MATTR_VAL_OFF           0       /* (generic) turn attribute off */
  83 #define MATTR_VAL_ON            1       /* (generic) turn attribute on */
  84 #define MATTR_VAL_GET           2       /* (generic) return current value */
  85
  86 #define MATTR_VAL_CACHE_FLUSH   6       /* flush from all caches */
  87 #define MATTR_VAL_DCACHE_FLUSH  7       /* flush from data caches */
  88 #define MATTR_VAL_ICACHE_FLUSH  8       /* flush from instruction caches */
  89 #define MATTR_VAL_CACHE_SYNC    9       /* sync I+D caches */
  90 #define MATTR_VAL_CACHE_SYNC    9       /* sync I+D caches */
  91
  92 #define MATTR_VAL_GET_INFO      10      /* get page info (stats) */
  93
  94 #endif  /* _MACH_VM_ATTRIBUTES_H_ */