}
+/* amount of nanoseconds we are willing to wait for migration to be down.
+ * the choice of nanoseconds is because it is the maximum resolution that
+ * get_clock() can achieve. It is an internal measure. All user-visible
+ * units must be in seconds */
+static uint64_t max_downtime = 30000000;
+
+uint64_t migrate_max_downtime(void)
+{
+ return max_downtime;
+}
+
+void do_migrate_set_downtime(Monitor *mon, const char *value)
+{
+ char *ptr;
+ double d;
+
+ d = strtod(value, &ptr);
+ if (!strcmp(ptr,"ms")) {
+ d *= 1000000;
+ } else if (!strcmp(ptr,"us")) {
+ d *= 1000;
+ } else if (!strcmp(ptr,"ns")) {
+ } else {
+ /* all else considered to be seconds */
+ d *= 1000000000;
+ }
+
+ max_downtime = (uint64_t)d;
+}
+
void do_info_migrate(Monitor *mon)
{
MigrationState *s = current_migration;
dprintf("iterate\n");
if (qemu_savevm_state_iterate(s->file) == 1) {
int state;
+ int old_vm_running = vm_running;
+
dprintf("done iterating\n");
vm_stop(0);
+ qemu_aio_flush();
bdrv_flush_all();
if ((qemu_savevm_state_complete(s->file)) < 0) {
- vm_start();
+ if (old_vm_running) {
+ vm_start();
+ }
state = MIG_STATE_ERROR;
} else {
state = MIG_STATE_COMPLETED;
int migrate_fd_close(void *opaque)
{
FdMigrationState *s = opaque;
+
+ qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
return s->close(s);
}