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6601e61a 1/*
b0d623f7 2 * Copyright (c) 2005-2008 Apple Inc. All rights reserved.
6601e61a 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
6601e61a 5 *
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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.
6601e61a 14 *
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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
6601e61a
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20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
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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.
6601e61a 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
6601e61a
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27 */
28
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29#ifdef KERNEL_PRIVATE
30
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31#ifndef _KERN_PAGE_DECRYPT_H
32#define _KERN_PAGE_DECRYPT_H
6601e61a 33
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34#include <mach/machine.h>
35
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36/*
37 * Interface for DSMOS
38 */
b0d623f7 39typedef int (*dsmos_page_transform_hook_t) (const void *,void*, unsigned long long, void *);
2d21ac55 40extern void dsmos_page_transform_hook(dsmos_page_transform_hook_t hook); /* exported */
6601e61a 41
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42extern int dsmos_page_transform(const void *,void*, unsigned long long, void*);
43
44
45/*
46 *Interface for text decryption family
47 */
48struct pager_crypt_info {
49 /* Decrypt one page */
50 int (*page_decrypt)(const void *src_vaddr, void *dst_vaddr,
51 unsigned long long src_offset, void *crypt_ops);
52 /* Pager using this crypter terminates - crypt module not needed anymore */
53 void (*crypt_end)(void *crypt_ops);
54 /* Private data for the crypter */
55 void *crypt_ops;
3e170ce0 56 volatile int crypt_refcnt;
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57};
58typedef struct pager_crypt_info pager_crypt_info_t;
59
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60struct crypt_file_data {
61 char *filename;
62 cpu_type_t cputype;
63 cpu_subtype_t cpusubtype;
64};
65typedef struct crypt_file_data crypt_file_data_t;
66
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67typedef int (*text_crypter_create_hook_t)(struct pager_crypt_info *crypt_info,
68 const char *id, void *crypt_data);
69extern void text_crypter_create_hook_set(text_crypter_create_hook_t hook);
593a1d5f 70extern text_crypter_create_hook_t text_crypter_create;
6601e61a 71
0c530ab8 72#endif /* _KERN_PAGE_DECRYPT_H */
2d21ac55 73
b0d623f7 74#endif /* KERNEL_PRIVATE */