IOHibernateInternal.h

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    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     class IOBufferMemoryDescriptor *    ioBuffer;
   40     class IOBufferMemoryDescriptor *    srcBuffer;
   41     class IOMemoryDescriptor *          previewBuffer;
   42     OSData *                            previewData;
   43     OSData *                            fileExtents;
   44     OSObject *                          saveBootDevice;
   45 
   46     struct IOPolledFileIOVars *         fileVars;
   47     vm_offset_t                         videoMapping;
   48     vm_size_t                           videoAllocSize;
   49     vm_size_t                           videoMapSize;
   50     uint8_t *                           consoleMapping;
   51     uint8_t                             haveFastBoot;
   52     uint8_t                             saveBootAudioVolume;
   53     uint8_t                             wiredCryptKey[kIOHibernateAESKeySize / 8];
   54     uint8_t                             cryptKey[kIOHibernateAESKeySize / 8];
   55 };
   56 typedef struct IOHibernateVars IOHibernateVars;
   57 
   58 
   59 struct IOPolledFileIOVars
   60 {
   61     struct kern_direct_file_io_ref_t *  fileRef;
   62     class OSArray *                     pollers;
   63     IOByteCount                         blockSize;
   64     uint8_t *                           buffer;
   65     IOByteCount                         bufferSize;
   66     IOByteCount                         bufferLimit;
   67     IOByteCount                         bufferOffset;
   68     IOByteCount                         bufferHalf;
   69     IOByteCount                         extentRemaining;
   70     IOByteCount                         lastRead;
   71     uint64_t                            block0;
   72     uint64_t                            position;
   73     uint64_t                            extentPosition;
   74     uint64_t                            encryptStart;
   75     IOPolledFileExtent *                extentMap;
   76     IOPolledFileExtent *                currentExtent;
   77     bool                                io;
   78     IOReturn                            ioStatus;
   79 };
   80 typedef struct IOPolledFileIOVars IOPolledFileIOVars;
   81 
   82 #endif          /* __cplusplus */
   83 
   84 enum
   85 {
   86     kIOHibernateTagSignature = 0x53000000,
   87     kIOHibernateTagLength    = 0x00001fff,
   88 };
   89 
   90 #ifdef __cplusplus
   91 extern "C"
   92 #endif          /* __cplusplus */
   93 uint32_t
   94 hibernate_sum(uint8_t *buf, int32_t len);
   95 
   96 extern vm_offset_t sectHIBB;
   97 extern int         sectSizeHIB;
   98 extern vm_offset_t sectDATAB;
   99 extern int         sectSizeDATA;
  100 
  101 extern vm_offset_t gIOHibernateWakeMap;     // ppnum
  102 extern vm_size_t   gIOHibernateWakeMapSize;
  103

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FreeBSD/Linux Kernel Cross Reference sys/iokit/Kernel/IOHibernateInternal.h

FreeBSD/Linux Kernel Cross Reference
sys/iokit/Kernel/IOHibernateInternal.h