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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	boolean_t solid_state;
	72	uint64_t block0;
	73	uint64_t position;
	74	uint64_t extentPosition;
	75	uint64_t encryptStart;
	76	uint64_t encryptEnd;
	77	IOPolledFileExtent * extentMap;
	78	IOPolledFileExtent * currentExtent;
	79	bool io;
	80	IOReturn ioStatus;
	81	};
	82	typedef struct IOPolledFileIOVars IOPolledFileIOVars;
	83
	84	#endif /* __cplusplus */
	85
	86	enum
	87	{
	88	kIOHibernateTagSignature = 0x53000000,
	89	kIOHibernateTagLength = 0x00001fff,
	90	};
	91
	92	#ifdef __cplusplus
	93	extern "C"
	94	#endif /* __cplusplus */
	95	uint32_t
	96	hibernate_sum_page(uint8_t *buf, uint32_t ppnum);
	97
	98	extern vm_offset_t sectHIBB;
	99	extern unsigned long sectSizeHIB;
	100	extern vm_offset_t sectDATAB;
	101	extern unsigned long sectSizeDATA;
	102	#if defined(__i386__) \|\| defined(__x86_64__)
	103	extern vm_offset_t sectINITPTB;
	104	#endif
	105
	106	extern vm_offset_t gIOHibernateWakeMap; // ppnum
	107	extern vm_size_t gIOHibernateWakeMapSize;
	108