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
33enum { kIOHibernateAESKeySize = 128 };	/* bits */
34
35struct 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    OSData *		 		fileExtents;
46    OSObject *				saveBootDevice;
47
48    struct IOPolledFileIOVars *		fileVars;
49    uint64_t				fileMinSize;
50    uint64_t				fileMaxSize;
51    vm_offset_t				videoMapping;
52    vm_size_t				videoAllocSize;
53    vm_size_t				videoMapSize;
54    uint8_t *				consoleMapping;
55    uint8_t				haveFastBoot;
56    uint8_t				saveBootAudioVolume;
57    uint8_t				wiredCryptKey[kIOHibernateAESKeySize / 8];
58    uint8_t				cryptKey[kIOHibernateAESKeySize / 8];
59    uint8_t				volumeCryptKey[kIOHibernateAESKeySize / 8];
60};
61typedef struct IOHibernateVars IOHibernateVars;
62
63
64struct IOPolledFileIOVars
65{
66    struct kern_direct_file_io_ref_t *	fileRef;
67    class OSArray *			pollers;
68    IOByteCount				blockSize;
69    uint8_t *  				buffer;
70    IOByteCount 			bufferSize;
71    IOByteCount 			bufferLimit;
72    IOByteCount 			bufferOffset;
73    IOByteCount 			bufferHalf;
74    IOByteCount				extentRemaining;
75    IOByteCount				lastRead;
76    IOByteCount				readEnd;
77    uint32_t                            flags;
78    uint64_t				fileSize;
79    uint64_t				block0;
80    uint64_t				position;
81    uint64_t				extentPosition;
82    uint64_t				encryptStart;
83    uint64_t				encryptEnd;
84    uint64_t                            cryptBytes;
85    AbsoluteTime                        cryptTime;
86    IOPolledFileExtent * 		extentMap;
87    IOPolledFileExtent * 		currentExtent;
88    bool				io;
89    IOReturn				ioStatus;
90};
91typedef struct IOPolledFileIOVars IOPolledFileIOVars;
92
93#endif		/* __cplusplus */
94
95enum
96{
97    kIOHibernateTagSignature = 0x53000000,
98    kIOHibernateTagLength    = 0x00001fff,
99};
100
101#ifdef __cplusplus
102extern "C"
103#endif		/* __cplusplus */
104uint32_t
105hibernate_sum_page(uint8_t *buf, uint32_t ppnum);
106
107extern vm_offset_t segHIBB;
108extern unsigned long segSizeHIB;
109extern vm_offset_t segDATAB;
110extern unsigned long segSizeDATA;
111
112extern ppnum_t gIOHibernateHandoffPages[];
113extern uint32_t gIOHibernateHandoffPageCount;
114