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qemu: Update domain status to running while wakeup event is emitted

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This introduces a new running reason VIR_DOMAIN_RUNNING_WAKEUP,
and new suspend event type VIR_DOMAIN_EVENT_STARTED_WAKEUP.

While a wakeup event is emitted, the domain which entered into
VIR_DOMAIN_PMSUSPENDED will be transferred to "running"
with reason VIR_DOMAIN_RUNNING_WAKEUP, and a new domain lifecycle
event emitted with type VIR_DOMAIN_EVENT_STARTED_WAKEUP.
This commit is contained in:
Osier Yang 2012-03-14 23:26:55 +08:00
parent 321fa64bf5
commit 7c5a0c94e4
4 changed files with 33 additions and 2 deletions
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3
examples/domain-events/events-c/event-test.c
View File

@ -93,6 +93,9 @@ static const char *eventDetailToString(int event, int detail) {
case VIR_DOMAIN_EVENT_STARTED_FROM_SNAPSHOT:
ret = "Snapshot";
break;
case VIR_DOMAIN_EVENT_STARTED_WAKEUP:
ret = "Event wakeup";
break;
}
break;
case VIR_DOMAIN_EVENT_SUSPENDED:

3
include/libvirt/libvirt.h.in
View File

@ -123,6 +123,8 @@ typedef enum {
VIR_DOMAIN_RUNNING_UNPAUSED = 5, /* returned from paused state */
VIR_DOMAIN_RUNNING_MIGRATION_CANCELED = 6, /* returned from migration */
VIR_DOMAIN_RUNNING_SAVE_CANCELED = 7, /* returned from failed save process */
VIR_DOMAIN_RUNNING_WAKEUP = 8, /* returned from pmsuspended due to
wakeup event */
#ifdef VIR_ENUM_SENTINELS
VIR_DOMAIN_RUNNING_LAST
@ -2695,6 +2697,7 @@ typedef enum {
VIR_DOMAIN_EVENT_STARTED_MIGRATED = 1, /* Incoming migration from another host */
VIR_DOMAIN_EVENT_STARTED_RESTORED = 2, /* Restored from a state file */
VIR_DOMAIN_EVENT_STARTED_FROM_SNAPSHOT = 3, /* Restored from snapshot */
VIR_DOMAIN_EVENT_STARTED_WAKEUP = 4, /* Started due to wakeup event */
#ifdef VIR_ENUM_SENTINELS
VIR_DOMAIN_EVENT_STARTED_LAST

27
src/qemu/qemu_process.c
View File

@ -1067,15 +1067,38 @@ qemuProcessHandlePMWakeup(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
{
struct qemud_driver *driver = qemu_driver;
virDomainEventPtr event = NULL;
virDomainEventPtr lifecycleEvent = NULL;
virDomainObjLock(vm);
event = virDomainEventPMWakeupNewFromObj(vm);
/* Don't set domain status back to running if it wasn't paused
* from guest side, otherwise it can just cause confusion.
*/
if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PMSUSPENDED) {
VIR_DEBUG("Transitioned guest %s from pmsuspended to running "
"state due to QMP wakeup event", vm->def->name);
virDomainObjSetState(vm, VIR_DOMAIN_RUNNING,
VIR_DOMAIN_RUNNING_WAKEUP);
lifecycleEvent = virDomainEventNewFromObj(vm,
VIR_DOMAIN_EVENT_STARTED,
VIR_DOMAIN_EVENT_STARTED_WAKEUP);
if (virDomainSaveStatus(driver->caps, driver->stateDir, vm) < 0) {
VIR_WARN("Unable to save status on vm %s after wakeup event",
vm->def->name);
}
}
virDomainObjUnlock(vm);
if (event) {
if (event || lifecycleEvent) {
qemuDriverLock(driver);
qemuDomainEventQueue(driver, event);
if (event)
qemuDomainEventQueue(driver, event);
if (lifecycleEvent)
qemuDomainEventQueue(driver, lifecycleEvent);
qemuDriverUnlock(driver);
}

2
tools/virsh.c
View File

@ -18859,6 +18859,8 @@ vshDomainStateReasonToString(int state, int reason)
return N_("migration canceled");
case VIR_DOMAIN_RUNNING_SAVE_CANCELED:
return N_("save canceled");
case VIR_DOMAIN_RUNNING_WAKEUP:
return N_("event wakeup");
case VIR_DOMAIN_RUNNING_UNKNOWN:
case VIR_DOMAIN_RUNNING_LAST:
;