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Annotation of XNU/osfmk/mach/vm_region.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 1.1.5.1  1995/01/16  17:22:27  bolinger
        !            35:  *     Import files unchanged from osc1.3b11 into cnmk_shared.
        !            36:  *     [1995/01/16  17:20:37  bolinger]
        !            37:  *
        !            38:  * Revision 1.1.3.2  1993/10/05  22:23:22  watkins
        !            39:  *     Merge forward.
        !            40:  *     [1993/10/05  22:05:05  watkins]
        !            41:  * 
        !            42:  * Revision 1.1.1.2  1993/09/28  19:42:50  watkins
        !            43:  *     Created to comply with spec.
        !            44:  * 
        !            45:  * $EndLog$
        !            46:  */
        !            47: /*
        !            48:  *     File:   mach/vm_region.h
        !            49:  *
        !            50:  *     Define the attributes of a task's memory region
        !            51:  *
        !            52:  */
        !            53: 
        !            54: #ifndef        _MACH_VM_REGION_H_
        !            55: #define _MACH_VM_REGION_H_
        !            56: 
        !            57: #include <mach/boolean.h>
        !            58: #include <mach/vm_prot.h>
        !            59: #include <mach/vm_inherit.h>
        !            60: #include <mach/vm_behavior.h>
        !            61: 
        !            62: /*
        !            63:  *     Types defined:
        !            64:  *
        !            65:  *     vm_region_info_t        memory region attributes
        !            66:  */
        !            67: 
        !            68: #define VM_REGION_INFO_MAX      (1024)
        !            69: typedef int    *vm_region_info_t;
        !            70: typedef int     vm_region_flavor_t;
        !            71: typedef int     vm_region_info_data_t[VM_REGION_INFO_MAX];
        !            72: 
        !            73: #define VM_REGION_BASIC_INFO   10
        !            74: 
        !            75: struct vm_region_basic_info {
        !            76:        vm_prot_t               protection;
        !            77:        vm_prot_t               max_protection;
        !            78:        vm_inherit_t            inheritance;
        !            79:        boolean_t               shared;
        !            80:        boolean_t               reserved;
        !            81:        vm_offset_t             offset;
        !            82:        vm_behavior_t           behavior;
        !            83:        unsigned short          user_wired_count;
        !            84: };
        !            85: 
        !            86: typedef struct vm_region_basic_info            *vm_region_basic_info_t;
        !            87: typedef struct vm_region_basic_info             vm_region_basic_info_data_t;
        !            88: 
        !            89: #define VM_REGION_BASIC_INFO_COUNT             \
        !            90:        (sizeof(vm_region_basic_info_data_t)/sizeof(int))
        !            91: 
        !            92: 
        !            93: 
        !            94: #define VM_REGION_EXTENDED_INFO        11
        !            95: 
        !            96: #define SM_COW             1
        !            97: #define SM_PRIVATE         2
        !            98: #define SM_EMPTY           3
        !            99: #define SM_SHARED          4
        !           100: #define SM_TRUESHARED      5
        !           101: #define SM_PRIVATE_ALIASED 6
        !           102: #define SM_SHARED_ALIASED  7
        !           103: 
        !           104: 
        !           105: struct vm_region_extended_info {
        !           106:        vm_prot_t               protection;
        !           107:         unsigned int            user_tag;
        !           108:         unsigned int            pages_resident;
        !           109:         unsigned int            pages_shared_now_private;
        !           110:         unsigned int            pages_swapped_out;
        !           111:         unsigned int            pages_referenced;
        !           112:         unsigned int            ref_count;
        !           113:         unsigned short          shadow_depth;
        !           114:         unsigned char           external_pager;
        !           115:         unsigned char           share_mode;
        !           116: };
        !           117: 
        !           118: typedef struct vm_region_extended_info         *vm_region_extended_info_t;
        !           119: typedef struct vm_region_extended_info          vm_region_extended_info_data_t;
        !           120: 
        !           121: #define VM_REGION_EXTENDED_INFO_COUNT          \
        !           122:        (sizeof(vm_region_extended_info_data_t)/sizeof(int))
        !           123: 
        !           124: 
        !           125: #define VM_REGION_TOP_INFO     12
        !           126: 
        !           127: struct vm_region_top_info {
        !           128:         unsigned int            obj_id;
        !           129:         unsigned int            ref_count;
        !           130:         unsigned int            private_pages_resident;
        !           131:         unsigned int            shared_pages_resident;
        !           132:         unsigned char           share_mode;
        !           133: };
        !           134: 
        !           135: typedef struct vm_region_top_info              *vm_region_top_info_t;
        !           136: typedef struct vm_region_top_info               vm_region_top_info_data_t;
        !           137: 
        !           138: #define VM_REGION_TOP_INFO_COUNT               \
        !           139:        (sizeof(vm_region_top_info_data_t)/sizeof(int))
        !           140: 
        !           141: 
        !           142: struct vm_read_entry {
        !           143:        vm_address_t    address;
        !           144:        vm_size_t       size;
        !           145: };
        !           146: 
        !           147: #define VM_MAP_ENTRY_MAX  (256)
        !           148: 
        !           149: typedef struct vm_read_entry   vm_read_entry_t[VM_MAP_ENTRY_MAX];
        !           150: 
        !           151: #endif /*_MACH_VM_REGION_H_*/

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