osfmk/mach/vm_attributes.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * HISTORY
  27  *
  28  * Revision 1.1.1.1  1998/09/22 21:05:31  wsanchez
  29  * Import of Mac OS X kernel (~semeria)
  30  *
  31  * Revision 1.1.1.1  1998/03/07 02:25:46  wsanchez
  32  * Import of OSF Mach kernel (~mburg)
  33  *
  34  * Revision 1.2.9.2  1998/02/02  09:22:22  gdt
  35  *      Add new function "MATTR_VAL_GET_INFO" to get shared/resident information
  36  *      about a page.  This lets Linux display better statistics (e.g. 'top').
  37  *      [1998/02/02  09:21:30  gdt]
  38  *
  39  * Revision 1.2.9.1  1997/09/12  17:16:06  stephen
  40  *      Add new MATTR_VAL_CACHE_SYNC which
  41  *      syncs I+D caches without necessarily
  42  *      flushing them.
  43  *      [1997/09/12  16:32:45  stephen]
  44  *
  45  * Revision 1.2.6.1  1994/09/23  02:43:58  ezf
  46  *      change marker to not FREE
  47  *      [1994/09/22  21:43:31  ezf]
  48  *
  49  * Revision 1.2.2.2  1993/06/09  02:44:08  gm
  50  *      Added to OSF/1 R1.3 from NMK15.0.
  51  *      [1993/06/02  21:18:41  jeffc]
  52  *
  53  * Revision 1.2  1993/04/19  16:40:21  devrcs
  54  *      ansi C conformance changes
  55  *      [1993/02/02  18:55:22  david]
  56  *
  57  * Revision 1.1  1992/09/30  02:32:22  robert
  58  *      Initial revision
  59  *
  60  * $EndLog$
  61  */
  62 /* CMU_HIST */
  63 /*
  64  * Revision 2.4  91/05/14  17:02:37  mrt
  65  *      Correcting copyright
  66  *
  67  * Revision 2.3  91/02/05  17:37:24  mrt
  68  *      Changed to new Mach copyright
  69  *      [91/02/01  17:22:17  mrt]
  70  *
  71  * Revision 2.2  90/01/22  23:05:53  af
  72  *      Created.
  73  *      [89/12/08            af]
  74  *
  75  *
  76  */
  77 /* CMU_ENDHIST */
  78 /*
  79  * Mach Operating System
  80  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  81  * All Rights Reserved.
  82  *
  83  * Permission to use, copy, modify and distribute this software and its
  84  * documentation is hereby granted, provided that both the copyright
  85  * notice and this permission notice appear in all copies of the
  86  * software, derivative works or modified versions, and any portions
  87  * thereof, and that both notices appear in supporting documentation.
  88  *
  89  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  90  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  91  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  92  *
  93  * Carnegie Mellon requests users of this software to return to
  94  *
  95  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  96  *  School of Computer Science
  97  *  Carnegie Mellon University
  98  *  Pittsburgh PA 15213-3890
  99  *
 100  * any improvements or extensions that they make and grant Carnegie Mellon
 101  * the rights to redistribute these changes.
 102  */
 103 /*
 104  */
 105 /*
 106  *      File:   mach/vm_attributes.h
 107  *      Author: Alessandro Forin
 108  *
 109  *      Virtual memory attributes definitions.
 110  *
 111  *      These definitions are in addition to the machine-independent
 112  *      ones (e.g. protection), and are only selectively supported
 113  *      on specific machine architectures.
 114  *
 115  */
 116
 117 #ifndef VM_ATTRIBUTES_H_
 118 #define VM_ATTRIBUTES_H_
 119
 120 /*
 121  *      Types of machine-dependent attributes
 122  */
 123 typedef unsigned int    vm_machine_attribute_t;
 124
 125 #define MATTR_CACHE             1       /* cachability */
 126 #define MATTR_MIGRATE           2       /* migrability */
 127 #define MATTR_REPLICATE         4       /* replicability */
 128
 129 /*
 130  *      Values for the above, e.g. operations on attribute
 131  */
 132 typedef int             vm_machine_attribute_val_t;
 133
 134 #define MATTR_VAL_OFF           0       /* (generic) turn attribute off */
 135 #define MATTR_VAL_ON            1       /* (generic) turn attribute on */
 136 #define MATTR_VAL_GET           2       /* (generic) return current value */
 137
 138 #define MATTR_VAL_CACHE_FLUSH   6       /* flush from all caches */
 139 #define MATTR_VAL_DCACHE_FLUSH  7       /* flush from data caches */
 140 #define MATTR_VAL_ICACHE_FLUSH  8       /* flush from instruction caches */
 141 #define MATTR_VAL_CACHE_SYNC    9       /* sync I+D caches */
 142 #define MATTR_VAL_CACHE_SYNC    9       /* sync I+D caches */
 143
 144 #define MATTR_VAL_GET_INFO      10      /* get page info (stats) */
 145
 146 #endif  /* VM_ATTRIBUTES_H_ */