2 * QEMU migration capabilities
4 * Copyright (c) 2012-2023 Red Hat Inc
7 * Orit Wasserman <owasserm@redhat.com>
8 * Juan Quintela <quintela@redhat.com>
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.
14 #ifndef QEMU_MIGRATION_OPTIONS_H
15 #define QEMU_MIGRATION_OPTIONS_H
17 #include "hw/qdev-properties.h"
18 #include "hw/qdev-properties-system.h"
20 /* migration properties */
22 extern Property migration_properties[];
26 bool migrate_auto_converge(void);
27 bool migrate_background_snapshot(void);
28 bool migrate_block(void);
29 bool migrate_colo(void);
30 bool migrate_compress(void);
31 bool migrate_dirty_bitmaps(void);
32 bool migrate_events(void);
33 bool migrate_ignore_shared(void);
34 bool migrate_late_block_activate(void);
35 bool migrate_multifd(void);
36 bool migrate_pause_before_switchover(void);
37 bool migrate_postcopy_blocktime(void);
38 bool migrate_postcopy_preempt(void);
39 bool migrate_postcopy_ram(void);
40 bool migrate_rdma_pin_all(void);
41 bool migrate_release_ram(void);
42 bool migrate_return_path(void);
43 bool migrate_switchover_ack(void);
44 bool migrate_validate_uuid(void);
45 bool migrate_xbzrle(void);
46 bool migrate_zero_blocks(void);
47 bool migrate_zero_copy_send(void);
52 * These are functions that are used in a similar way to capabilities
53 * check, but they are not a capability.
56 bool migrate_multifd_flush_after_each_section(void);
57 bool migrate_postcopy(void);
58 bool migrate_tls(void);
60 /* capabilities helpers */
62 bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp);
63 bool migrate_cap_set(int cap, bool value, Error **errp);
67 const BitmapMigrationNodeAliasList *migrate_block_bitmap_mapping(void);
68 bool migrate_has_block_bitmap_mapping(void);
70 bool migrate_block_incremental(void);
71 uint32_t migrate_checkpoint_delay(void);
72 int migrate_compress_level(void);
73 int migrate_compress_threads(void);
74 int migrate_compress_wait_thread(void);
75 uint8_t migrate_cpu_throttle_increment(void);
76 uint8_t migrate_cpu_throttle_initial(void);
77 bool migrate_cpu_throttle_tailslow(void);
78 int migrate_decompress_threads(void);
79 uint64_t migrate_downtime_limit(void);
80 uint8_t migrate_max_cpu_throttle(void);
81 uint64_t migrate_max_bandwidth(void);
82 uint64_t migrate_max_postcopy_bandwidth(void);
83 int migrate_multifd_channels(void);
84 MultiFDCompression migrate_multifd_compression(void);
85 int migrate_multifd_zlib_level(void);
86 int migrate_multifd_zstd_level(void);
87 uint8_t migrate_throttle_trigger_threshold(void);
88 const char *migrate_tls_authz(void);
89 const char *migrate_tls_creds(void);
90 const char *migrate_tls_hostname(void);
91 uint64_t migrate_xbzrle_cache_size(void);
93 /* parameters setters */
95 void migrate_set_block_incremental(bool value);
97 /* parameters helpers */
99 bool migrate_params_check(MigrationParameters *params, Error **errp);
100 void migrate_params_init(MigrationParameters *params);
101 void block_cleanup_parameters(void);