4 * Copyright (c) 2003-2008 Fabrice Bellard
5 * Copyright (c) 2011-2015 Red Hat Inc
8 * Juan Quintela <quintela@redhat.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 #ifndef QEMU_MIGRATION_COMPRESS_H
30 #define QEMU_MIGRATION_COMPRESS_H
32 #include "qemu-file.h"
39 typedef enum CompressResult CompressResult;
41 struct CompressParam {
45 CompressResult result;
52 /* internally used fields */
56 typedef struct CompressParam CompressParam;
58 void compress_threads_save_cleanup(void);
59 int compress_threads_save_setup(void);
61 void flush_compressed_data(int (send_queued_data(CompressParam *)));
62 int compress_page_with_multi_thread(RAMBlock *block, ram_addr_t offset,
63 int (send_queued_data(CompressParam *)));
65 int wait_for_decompress_done(void);
66 void compress_threads_load_cleanup(void);
67 int compress_threads_load_setup(QEMUFile *f);
68 void decompress_data_with_multi_threads(QEMUFile *f, void *host, int len);