aboutsummaryrefslogtreecommitdiff
path: root/include/migration/misc.h
blob: d5a433afdbdd1d3650966fbcbf0728f5efdd2b36 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/*
 * QEMU migration miscellaneus exported functions
 *
 * Copyright IBM, Corp. 2008
 *
 * Authors:
 *  Anthony Liguori   <aliguori@us.ibm.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2.  See
 * the COPYING file in the top-level directory.
 *
 */

#ifndef MIGRATION_MISC_H
#define MIGRATION_MISC_H

/* migration/ram.c */

void ram_mig_init(void);

/* migration/block.c */

#ifdef CONFIG_LIVE_BLOCK_MIGRATION
void blk_mig_init(void);
#else
static inline void blk_mig_init(void) {}
#endif

#define SELF_ANNOUNCE_ROUNDS 5

static inline
int64_t self_announce_delay(int round)
{
    assert(round < SELF_ANNOUNCE_ROUNDS && round > 0);
    /* delay 50ms, 150ms, 250ms, ... */
    return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100;
}

/* migration/savevm.c */

void dump_vmstate_json_to_file(FILE *out_fp);
void savevm_skip_section_footers(void);
void savevm_skip_configuration(void);

/* migration/migration.c */
void qemu_start_incoming_migration(const char *uri, Error **errp);
bool migration_is_idle(void);
void add_migration_state_change_notifier(Notifier *notify);
void remove_migration_state_change_notifier(Notifier *notify);
bool migration_in_setup(MigrationState *);
bool migration_has_finished(MigrationState *);
bool migration_has_failed(MigrationState *);
/* ...and after the device transmission */
bool migration_in_postcopy_after_devices(MigrationState *);
#endif