1/*
2 * Copyright (c) 2005-2008 Apple 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#ifdef KERNEL_PRIVATE
30
31#ifndef _KERN_PAGE_DECRYPT_H
32#define _KERN_PAGE_DECRYPT_H
33
34#include <mach/machine.h>
35
36/*
37 * Interface for DSMOS
38 */
39typedef int (*dsmos_page_transform_hook_t) (const void *, void*, unsigned long long, void *);
40extern void dsmos_page_transform_hook(dsmos_page_transform_hook_t hook); /* exported */
41
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;
56 volatile int crypt_refcnt;
57};
58typedef struct pager_crypt_info pager_crypt_info_t;
59
60typedef enum {
61 CRYPT_ORIGIN_ANY,
62 CRYPT_ORIGIN_APP_LAUNCH,
63 CRYPT_ORIGIN_LIBRARY_LOAD,
64 CRYPT_ORIGIN_MAX,
65} crypt_origin_t;
66
67struct crypt_file_data {
68 char *filename;
69 cpu_type_t cputype;
70 cpu_subtype_t cpusubtype;
71 crypt_origin_t origin;
72};
73typedef struct crypt_file_data crypt_file_data_t;
74
75typedef int (*text_crypter_create_hook_t)(struct pager_crypt_info *crypt_info,
76 const char *id, void *crypt_data);
77extern void text_crypter_create_hook_set(text_crypter_create_hook_t hook);
78extern text_crypter_create_hook_t text_crypter_create;
79
80#endif /* _KERN_PAGE_DECRYPT_H */
81
82#endif /* KERNEL_PRIVATE */
83