darling-xnu/osfmk/kern/page_decrypt.h
2023-05-16 21:41:14 -07:00

75 lines
2.6 KiB
C

/*
* Copyright (c) 2005-2008 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifdef KERNEL_PRIVATE
#ifndef _KERN_PAGE_DECRYPT_H
#define _KERN_PAGE_DECRYPT_H
#include <mach/machine.h>
/*
* Interface for DSMOS
*/
typedef int (*dsmos_page_transform_hook_t) (const void *, void*, unsigned long long, void *);
extern void dsmos_page_transform_hook(dsmos_page_transform_hook_t hook); /* exported */
extern int dsmos_page_transform(const void *, void*, unsigned long long, void*);
/*
* Interface for text decryption family
*/
struct pager_crypt_info {
/* Decrypt one page */
int (*page_decrypt)(const void *src_vaddr, void *dst_vaddr,
unsigned long long src_offset, void *crypt_ops);
/* Pager using this crypter terminates - crypt module not needed anymore */
void (*crypt_end)(void *crypt_ops);
/* Private data for the crypter */
void *crypt_ops;
volatile int crypt_refcnt;
};
typedef struct pager_crypt_info pager_crypt_info_t;
struct crypt_file_data {
char *filename;
cpu_type_t cputype;
cpu_subtype_t cpusubtype;
};
typedef struct crypt_file_data crypt_file_data_t;
typedef int (*text_crypter_create_hook_t)(struct pager_crypt_info *crypt_info,
const char *id, void *crypt_data);
extern void text_crypter_create_hook_set(text_crypter_create_hook_t hook);
extern text_crypter_create_hook_t text_crypter_create;
#endif /* _KERN_PAGE_DECRYPT_H */
#endif /* KERNEL_PRIVATE */