xref: /openbmc/qemu/migration/options.h (revision 9605c2ac282c565bb00b5f344217161bef29eff8)
1 /*
2  * QEMU migration capabilities
3  *
4  * Copyright (c) 2012-2023 Red Hat Inc
5  *
6  * Authors:
7  *   Orit Wasserman <owasserm@redhat.com>
8  *   Juan Quintela <quintela@redhat.com>
9  *
10  * This work is licensed under the terms of the GNU GPL, version 2 or later.
11  * See the COPYING file in the top-level directory.
12  */
13 
14 #ifndef QEMU_MIGRATION_OPTIONS_H
15 #define QEMU_MIGRATION_OPTIONS_H
16 
17 /* capabilities */
18 
19 bool migrate_auto_converge(void);
20 bool migrate_background_snapshot(void);
21 bool migrate_block(void);
22 bool migrate_colo(void);
23 bool migrate_compress(void);
24 bool migrate_dirty_bitmaps(void);
25 bool migrate_events(void);
26 bool migrate_ignore_shared(void);
27 bool migrate_late_block_activate(void);
28 bool migrate_multifd(void);
29 bool migrate_pause_before_switchover(void);
30 bool migrate_postcopy_blocktime(void);
31 bool migrate_postcopy_preempt(void);
32 bool migrate_postcopy_ram(void);
33 bool migrate_rdma_pin_all(void);
34 bool migrate_release_ram(void);
35 bool migrate_return_path(void);
36 bool migrate_validate_uuid(void);
37 bool migrate_xbzrle(void);
38 bool migrate_zero_blocks(void);
39 bool migrate_zero_copy_send(void);
40 
41 /* capabilities helpers */
42 
43 bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp);
44 bool migrate_cap_set(int cap, bool value, Error **errp);
45 
46 /* parameters */
47 
48 bool migrate_block_incremental(void);
49 uint32_t migrate_checkpoint_delay(void);
50 int migrate_compress_level(void);
51 int migrate_compress_threads(void);
52 int migrate_compress_wait_thread(void);
53 uint8_t migrate_cpu_throttle_increment(void);
54 uint8_t migrate_cpu_throttle_initial(void);
55 int migrate_decompress_threads(void);
56 uint8_t migrate_max_cpu_throttle(void);
57 int64_t migrate_max_postcopy_bandwidth(void);
58 int migrate_multifd_channels(void);
59 MultiFDCompression migrate_multifd_compression(void);
60 int migrate_multifd_zlib_level(void);
61 int migrate_multifd_zstd_level(void);
62 uint8_t migrate_throttle_trigger_threshold(void);
63 uint64_t migrate_xbzrle_cache_size(void);
64 
65 #endif
66