void add_migration_state_change_notifier(Notifier *notify);
void remove_migration_state_change_notifier(Notifier *notify);
+bool migration_is_active(MigrationState *);
bool migration_has_finished(MigrationState *);
+bool migration_has_failed(MigrationState *);
uint64_t ram_bytes_remaining(void);
uint64_t ram_bytes_transferred(void);