projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 5d5c5d0d A |
2 | * Copyright (c) 1999, 2000-2002 Apple Computer, Inc. All rights reserved. |
| 3 | * | |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b | 27 | */ |
| 1c79356b | 28 | |
| 9bccf70c A |
29 | #ifndef __VN_SHADOW_H__ |
| 30 | #define __VN_SHADOW_H__ | |
| 1c79356b | 31 | |
| 9bccf70c | 32 | #include <sys/appleapiopts.h> |
| 1c79356b | 33 | |
| 9bccf70c | 34 | #ifdef __APPLE_API_PRIVATE |
| 1c79356b | 35 | |
| 9bccf70c | 36 | typedef struct shadow_map shadow_map_t; |
| 1c79356b | 37 | |
| 9bccf70c | 38 | boolean_t |
| b0d623f7 A |
39 | shadow_map_read(shadow_map_t * map, uint32_t block_offset, uint32_t block_count, |
| 40 | uint32_t * incr_block_offset, uint32_t * incr_block_count); | |
| 9bccf70c | 41 | boolean_t |
| b0d623f7 A |
42 | shadow_map_write(shadow_map_t * map, uint32_t block_offset, uint32_t block_count, |
| 43 | uint32_t * incr_block_offset, uint32_t * incr_block_count); | |
| 91447636 | 44 | boolean_t |
| b0d623f7 | 45 | shadow_map_is_written(shadow_map_t * map, uint32_t block_offset); |
| 91447636 | 46 | |
| b0d623f7 | 47 | uint32_t |
| 9bccf70c | 48 | shadow_map_shadow_size(shadow_map_t * map); |
| 1c79356b | 49 | |
| 9bccf70c A |
50 | shadow_map_t * |
| 51 | shadow_map_create(off_t file_size, off_t shadow_size, | |
| b0d623f7 | 52 | uint32_t band_size, uint32_t block_size); |
| 91447636 A |
53 | void |
| 54 | shadow_map_free(shadow_map_t * map); | |
| 1c79356b | 55 | |
| 9bccf70c A |
56 | #endif /* __APPLE_API_PRIVATE */ |
| 57 | #endif /* __VN_SHADOW_H__ */ | |
| 1c79356b A |
58 | |
| 59 | ||
| 1c79356b | 60 |