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Annotation of XNU/osfmk/mach/vm_attributes.h, revision 1.1

1.1     ! root        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  [email protected]
        !            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_ */

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