osfmk/vm/memory_object.h

   1 /*
   2  * Copyright (c) 2000-2006 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,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991 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
  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 the
  54  * rights to redistribute these changes.
  55  */
  56 /*
  57  */
  58
  59 #ifndef _VM_MEMORY_OBJECT_H_
  60 #define _VM_MEMORY_OBJECT_H_
  61
  62 #include <mach_pagemap.h>
  63
  64 #include <mach/boolean.h>
  65 #include <mach/mach_types.h>
  66 #include <mach/memory_object_types.h>
  67 #include <ipc/ipc_types.h>
  68
  69 extern memory_object_default_t memory_manager_default;
  70
  71 __private_extern__
  72 memory_object_default_t memory_manager_default_reference(void);
  73
  74 __private_extern__
  75 kern_return_t           memory_manager_default_check(void);
  76
  77 __private_extern__
  78 void                    memory_manager_default_init(void);
  79
  80 __private_extern__
  81 void                    memory_object_control_bootstrap(void);
  82 __private_extern__
  83 memory_object_control_t memory_object_control_allocate(
  84                                 vm_object_t             object);
  85
  86 __private_extern__
  87 void                    memory_object_control_collapse(
  88                                 memory_object_control_t control,
  89                                 vm_object_t             object);
  90
  91 __private_extern__
  92 vm_object_t             memory_object_control_to_vm_object(
  93                                 memory_object_control_t control);
  94
  95 extern
  96 mach_port_t             convert_mo_control_to_port(
  97                                 memory_object_control_t control);
  98
  99 extern void memory_object_control_disable(
 100         memory_object_control_t control);
 101
 102 extern
 103 memory_object_control_t convert_port_to_mo_control(
 104                                 mach_port_t             port);
 105
 106 extern
 107 mach_port_t             convert_memory_object_to_port(
 108                                 memory_object_t         object);
 109
 110 extern
 111 memory_object_t         convert_port_to_memory_object(
 112                                 mach_port_t             port);
 113
 114 extern upl_t convert_port_to_upl(
 115                                 ipc_port_t      port);
 116
 117 extern ipc_port_t convert_upl_to_port( upl_t );
 118
 119 __private_extern__ void upl_no_senders(ipc_port_t, mach_port_mscount_t);
 120
 121 extern kern_return_t    memory_object_free_from_cache(
 122         host_t                          host,
 123         memory_object_pager_ops_t       pager_ops,
 124         int                             *count);
 125
 126 extern kern_return_t    memory_object_iopl_request(
 127         ipc_port_t              port,
 128         memory_object_offset_t  offset,
 129         upl_size_t              *upl_size,
 130         upl_t                   *upl_ptr,
 131         upl_page_info_array_t   user_page_list,
 132         unsigned int            *page_list_count,
 133         int                     *flags);
 134
 135
 136 extern kern_return_t    memory_object_pages_resident(
 137         memory_object_control_t         control,
 138         boolean_t                       *               has_pages_resident);
 139
 140 extern kern_return_t    memory_object_signed(
 141         memory_object_control_t         control,
 142         boolean_t                       is_signed);
 143
 144 extern boolean_t        memory_object_is_signed(
 145         memory_object_control_t control);
 146
 147 extern boolean_t        memory_object_is_slid(
 148         memory_object_control_t         control);
 149
 150 extern void             memory_object_mark_used(
 151         memory_object_control_t         control);
 152
 153 extern void             memory_object_mark_unused(
 154         memory_object_control_t         control,
 155         boolean_t                       rage);
 156
 157 extern void             memory_object_mark_io_tracking(
 158         memory_object_control_t         control);
 159
 160 #endif  /* _VM_MEMORY_OBJECT_H_ */