projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 27685a8d FZ |
1 | /* |
| 2 | * Header for DMG driver | |
| 3 | * | |
| 4 | * Copyright (c) 2004-2006 Fabrice Bellard | |
| 5 | * Copyright (c) 2016 Red hat, Inc. | |
| 6 | * | |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 8 | * of this software and associated documentation files (the "Software"), to deal | |
| 9 | * in the Software without restriction, including without limitation the rights | |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 11 | * copies of the Software, and to permit persons to whom the Software is | |
| 12 | * furnished to do so, subject to the following conditions: | |
| 13 | * | |
| 14 | * The above copyright notice and this permission notice shall be included in | |
| 15 | * all copies or substantial portions of the Software. | |
| 16 | * | |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| 23 | * THE SOFTWARE. | |
| 24 | */ | |
| 25 | ||
| 26 | #ifndef BLOCK_DMG_H | |
| 27 | #define BLOCK_DMG_H | |
| 28 | ||
| 29 | #include "qemu/osdep.h" | |
| 30 | #include "qemu-common.h" | |
| 31 | #include "block/block_int.h" | |
| 32 | #include <zlib.h> | |
| 33 | ||
| 34 | typedef struct BDRVDMGState { | |
| 35 | CoMutex lock; | |
| 36 | /* each chunk contains a certain number of sectors, | |
| 37 | * offsets[i] is the offset in the .dmg file, | |
| 38 | * lengths[i] is the length of the compressed chunk, | |
| 39 | * sectors[i] is the sector beginning at offsets[i], | |
| 40 | * sectorcounts[i] is the number of sectors in that chunk, | |
| 41 | * the sectors array is ordered | |
| 42 | * 0<=i<n_chunks */ | |
| 43 | ||
| 44 | uint32_t n_chunks; | |
| 45 | uint32_t *types; | |
| 46 | uint64_t *offsets; | |
| 47 | uint64_t *lengths; | |
| 48 | uint64_t *sectors; | |
| 49 | uint64_t *sectorcounts; | |
| 50 | uint32_t current_chunk; | |
| 51 | uint8_t *compressed_chunk; | |
| 52 | uint8_t *uncompressed_chunk; | |
| 53 | z_stream zstream; | |
| 54 | } BDRVDMGState; | |
| 55 | ||
| 56 | extern int (*dmg_uncompress_bz2)(char *next_in, unsigned int avail_in, | |
| 57 | char *next_out, unsigned int avail_out); | |
| 58 | ||
| 59 | #endif |