iokit/Kernel/IOHibernateInternal.h

   1 /*
   2  * Copyright (c) 2004 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 #include <stdint.h>
  30
  31 #ifdef __cplusplus
  32
  33 enum { kIOHibernateAESKeySize = 128 };  /* bits */
  34
  35 struct IOHibernateVars
  36 {
  37     hibernate_page_list_t *             page_list;
  38     hibernate_page_list_t *             page_list_wired;
  39     hibernate_page_list_t *             page_list_pal;
  40     class IOBufferMemoryDescriptor *    ioBuffer;
  41     class IOBufferMemoryDescriptor *    srcBuffer;
  42     class IOBufferMemoryDescriptor *    handoffBuffer;
  43     class IOMemoryDescriptor *          previewBuffer;
  44     OSData *                            previewData;
  45     OSObject *                          saveBootDevice;
  46
  47     struct IOPolledFileIOVars *         fileVars;
  48     uint64_t                            fileMinSize;
  49     uint64_t                            fileMaxSize;
  50     vm_offset_t                         videoMapping;
  51     vm_size_t                           videoAllocSize;
  52     vm_size_t                           videoMapSize;
  53     uint8_t *                           consoleMapping;
  54     uint8_t                             haveFastBoot;
  55     uint8_t                             saveBootAudioVolume;
  56     uint8_t                             wiredCryptKey[kIOHibernateAESKeySize / 8];
  57     uint8_t                             cryptKey[kIOHibernateAESKeySize / 8];
  58     uint8_t                             volumeCryptKey[kIOHibernateAESKeySize / 8];
  59 };
  60 typedef struct IOHibernateVars IOHibernateVars;
  61
  62 #endif          /* __cplusplus */
  63
  64 enum
  65 {
  66     kIOHibernateTagSignature = 0x53000000,
  67     kIOHibernateTagLength    = 0x00001fff,
  68 };
  69
  70 #ifdef __cplusplus
  71 extern "C"
  72 #endif          /* __cplusplus */
  73 uint32_t
  74 hibernate_sum_page(uint8_t *buf, uint32_t ppnum);
  75
  76 extern vm_offset_t segHIBB;
  77 extern unsigned long segSizeHIB;
  78 extern vm_offset_t segDATAB;
  79 extern unsigned long segSizeDATA;
  80
  81 extern ppnum_t gIOHibernateHandoffPages[];
  82 extern uint32_t gIOHibernateHandoffPageCount;