void migrate_fd_put_ready(void *opaque)
{
FdMigrationState *s = opaque;
if (s->state != MIG_STATE_ACTIVE) {
dprintf("put_ready returning because of non-active state\n");
return;
}
dprintf("iterate\n");
if (qemu_savevm_state_iterate(s->file) == 1) {
int state;
dprintf("done iterating\n");
vm_stop(0);
bdrv_flush_all();
if ((qemu_savevm_state_complete(s->file)) < 0) {
vm_start();
state = MIG_STATE_ERROR;
} else {
state = MIG_STATE_COMPLETED;
}
migrate_fd_cleanup(s);
s->state = state;
}
}
/* does a state transition even if the VM is already stopped,
current state is forgotten forever */
int vm_stop_force_state(RunState state)
{
if (runstate_is_running()) {
return vm_stop(state);
} else {
runstate_set(state);
/* Make sure to return an error if the flush in a previous vm_stop()
* failed. */
return bdrv_flush_all();
}
}
static void do_vm_stop(RunState state)
{
if (runstate_is_running()) {
cpu_disable_ticks();
pause_all_vcpus();
runstate_set(state);
vm_state_notify(0, state);
bdrv_drain_all();
bdrv_flush_all();
monitor_protocol_event(QEVENT_STOP, NULL);
}
}
static void do_vm_stop(int reason)
{
if (vm_running) {
cpu_disable_ticks();
vm_running = 0;
pause_all_vcpus();
vm_state_notify(0, reason);
qemu_aio_flush();
bdrv_flush_all();
monitor_protocol_event(QEVENT_STOP, NULL);
}
}
static void do_vm_stop(RunState state)
{
if (runstate_is_running()) {
cpu_disable_ticks();
pause_all_vcpus();
//if(!mthread){ // TLC
runstate_set(state);
//}
vm_state_notify(0, state);
qemu_aio_flush();
bdrv_flush_all();
monitor_protocol_event(QEVENT_STOP, NULL);
}
}
static void platform_fixed_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
{
PCIXenPlatformState *s = opaque;
switch (addr) {
case 0: {
PCIDevice *pci_dev = PCI_DEVICE(s);
/* Unplug devices. Value is a bitmask of which devices to
unplug, with bit 0 the IDE devices, bit 1 the network
devices, and bit 2 the non-primary-master IDE devices. */
if (val & UNPLUG_ALL_IDE_DISKS) {
DPRINTF("unplug disks\n");
bdrv_drain_all();
bdrv_flush_all();
pci_unplug_disks(pci_dev->bus);
}
if (val & UNPLUG_ALL_NICS) {
DPRINTF("unplug nics\n");
pci_unplug_nics(pci_dev->bus);
}
if (val & UNPLUG_AUX_IDE_DISKS) {
DPRINTF("unplug auxiliary disks not supported\n");
}
break;
}
case 2:
switch (val) {
case 1:
DPRINTF("Citrix Windows PV drivers loaded in guest\n");
break;
case 0:
DPRINTF("Guest claimed to be running PV product 0?\n");
break;
default:
DPRINTF("Unknown PV product %d loaded in guest\n", val);
break;
}
s->driver_product_version = val;
break;
}
}
void migrate_fd_put_ready(void *opaque)
{
FdMigrationState *s = opaque;
if (s->state != MIG_STATE_ACTIVE) {
DPRINTF("put_ready returning because of non-active state\n");
return;
}
DPRINTF("iterate\n");
if (qemu_savevm_state_iterate(s->mon, 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->mon, s->file)) < 0) {
if (old_vm_running) {
vm_start();
}
state = MIG_STATE_ERROR;
} else {
state = MIG_STATE_COMPLETED;
}
if (migrate_fd_cleanup(s) < 0) {
if (old_vm_running) {
vm_start();
}
state = MIG_STATE_ERROR;
}
s->state = state;
}
}
