xref: /qemu/migration/options.h (revision 2b74dd918007d91f5fee94ad0034b5e7a30ed777)
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  #include "hw/qdev-properties.h"
18  #include "hw/qdev-properties-system.h"
19  #include "migration/client-options.h"
20  
21  /* migration properties */
22  
23  extern Property migration_properties[];
24  
25  /* capabilities */
26  
27  bool migrate_auto_converge(void);
28  bool migrate_colo(void);
29  bool migrate_dirty_bitmaps(void);
30  bool migrate_events(void);
31  bool migrate_mapped_ram(void);
32  bool migrate_ignore_shared(void);
33  bool migrate_late_block_activate(void);
34  bool migrate_multifd(void);
35  bool migrate_pause_before_switchover(void);
36  bool migrate_postcopy_blocktime(void);
37  bool migrate_postcopy_preempt(void);
38  bool migrate_rdma_pin_all(void);
39  bool migrate_release_ram(void);
40  bool migrate_return_path(void);
41  bool migrate_validate_uuid(void);
42  bool migrate_xbzrle(void);
43  bool migrate_zero_blocks(void);
44  bool migrate_zero_copy_send(void);
45  
46  /*
47   * pseudo capabilities
48   *
49   * These are functions that are used in a similar way to capabilities
50   * check, but they are not a capability.
51   */
52  
53  bool migrate_multifd_flush_after_each_section(void);
54  bool migrate_postcopy(void);
55  bool migrate_rdma(void);
56  bool migrate_tls(void);
57  
58  /* capabilities helpers */
59  
60  bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp);
61  bool migrate_cap_set(int cap, bool value, Error **errp);
62  
63  /* parameters */
64  
65  const BitmapMigrationNodeAliasList *migrate_block_bitmap_mapping(void);
66  bool migrate_has_block_bitmap_mapping(void);
67  
68  uint32_t migrate_checkpoint_delay(void);
69  uint8_t migrate_cpu_throttle_increment(void);
70  uint8_t migrate_cpu_throttle_initial(void);
71  bool migrate_cpu_throttle_tailslow(void);
72  bool migrate_direct_io(void);
73  uint64_t migrate_downtime_limit(void);
74  uint8_t migrate_max_cpu_throttle(void);
75  uint64_t migrate_max_bandwidth(void);
76  uint64_t migrate_avail_switchover_bandwidth(void);
77  uint64_t migrate_max_postcopy_bandwidth(void);
78  int migrate_multifd_channels(void);
79  MultiFDCompression migrate_multifd_compression(void);
80  int migrate_multifd_zlib_level(void);
81  int migrate_multifd_qatzip_level(void);
82  int migrate_multifd_zstd_level(void);
83  uint8_t migrate_throttle_trigger_threshold(void);
84  const char *migrate_tls_authz(void);
85  const char *migrate_tls_creds(void);
86  const char *migrate_tls_hostname(void);
87  uint64_t migrate_xbzrle_cache_size(void);
88  ZeroPageDetection migrate_zero_page_detection(void);
89  
90  /* parameters helpers */
91  
92  bool migrate_params_check(MigrationParameters *params, Error **errp);
93  void migrate_params_init(MigrationParameters *params);
94  #endif
95