/* * Header for DMG driver * * Copyright (c) 2004-2006 Fabrice Bellard * Copyright (c) 2016 Red hat, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef BLOCK_DMG_H #define BLOCK_DMG_H #include "qemu/osdep.h" #include "qemu-common.h" #include "block/block_int.h" #include <zlib.h> typedef struct BDRVDMGState { CoMutex lock; /* each chunk contains a certain number of sectors, * offsets[i] is the offset in the .dmg file, * lengths[i] is the length of the compressed chunk, * sectors[i] is the sector beginning at offsets[i], * sectorcounts[i] is the number of sectors in that chunk, * the sectors array is ordered * 0<=i<n_chunks */ uint32_t n_chunks; uint32_t *types; uint64_t *offsets; uint64_t *lengths; uint64_t *sectors; uint64_t *sectorcounts; uint32_t current_chunk; uint8_t *compressed_chunk; uint8_t *uncompressed_chunk; z_stream zstream; } BDRVDMGState; extern int (*dmg_uncompress_bz2)(char *next_in, unsigned int avail_in, char *next_out, unsigned int avail_out); #endif