Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20220121...
[qemu.git] / include / migration / misc.h
1 /*
2 * QEMU migration miscellaneus exported functions
3 *
4 * Copyright IBM, Corp. 2008
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 *
12 */
13
14 #ifndef MIGRATION_MISC_H
15 #define MIGRATION_MISC_H
16
17 #include "qemu/notify.h"
18 #include "qapi/qapi-types-net.h"
19
20 /* migration/ram.c */
21
22 typedef enum PrecopyNotifyReason {
23 PRECOPY_NOTIFY_SETUP = 0,
24 PRECOPY_NOTIFY_BEFORE_BITMAP_SYNC = 1,
25 PRECOPY_NOTIFY_AFTER_BITMAP_SYNC = 2,
26 PRECOPY_NOTIFY_COMPLETE = 3,
27 PRECOPY_NOTIFY_CLEANUP = 4,
28 PRECOPY_NOTIFY_MAX = 5,
29 } PrecopyNotifyReason;
30
31 typedef struct PrecopyNotifyData {
32 enum PrecopyNotifyReason reason;
33 Error **errp;
34 } PrecopyNotifyData;
35
36 void precopy_infrastructure_init(void);
37 void precopy_add_notifier(NotifierWithReturn *n);
38 void precopy_remove_notifier(NotifierWithReturn *n);
39 int precopy_notify(PrecopyNotifyReason reason, Error **errp);
40
41 void ram_mig_init(void);
42 void qemu_guest_free_page_hint(void *addr, size_t len);
43
44 /* migration/block.c */
45
46 #ifdef CONFIG_LIVE_BLOCK_MIGRATION
47 void blk_mig_init(void);
48 #else
49 static inline void blk_mig_init(void) {}
50 #endif
51
52 AnnounceParameters *migrate_announce_params(void);
53 /* migration/savevm.c */
54
55 void dump_vmstate_json_to_file(FILE *out_fp);
56
57 /* migration/migration.c */
58 void migration_object_init(void);
59 void migration_shutdown(void);
60 bool migration_is_idle(void);
61 bool migration_is_active(MigrationState *);
62 void add_migration_state_change_notifier(Notifier *notify);
63 void remove_migration_state_change_notifier(Notifier *notify);
64 bool migration_in_setup(MigrationState *);
65 bool migration_has_finished(MigrationState *);
66 bool migration_has_failed(MigrationState *);
67 /* ...and after the device transmission */
68 bool migration_in_postcopy_after_devices(MigrationState *);
69 void migration_global_dump(Monitor *mon);
70 /* True if incomming migration entered POSTCOPY_INCOMING_DISCARD */
71 bool migration_in_incoming_postcopy(void);
72 /* True if background snapshot is active */
73 bool migration_in_bg_snapshot(void);
74
75 /* migration/block-dirty-bitmap.c */
76 void dirty_bitmap_mig_init(void);
77
78 #endif