On 02/17/12 18:33, Luiz Capitulino wrote:
> On Wed, 15 Feb 2012 11:28:21 +0100
> Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote:
>
>> Send qmp events on suspend and wakeup so libvirt
>> has a chance to track the vm state.
[ added libvirt to Cc:, leaving full context.
this is about qmp events when the guest enters/leaves s3 ].
>> Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
>> ---
>> monitor.c | 6 ++++++
>> monitor.h | 2 ++
>> vl.c | 15 +++++++++++++++
>> 3 files changed, 23 insertions(+), 0 deletions(-)
>>
>> diff --git a/monitor.c b/monitor.c
>> index aadbdcb..e6f5fad 100644
>> --- a/monitor.c
>> +++ b/monitor.c
>> @@ -485,6 +485,12 @@ void monitor_protocol_event(MonitorEvent event, QObject *data)
>> case QEVENT_BLOCK_JOB_CANCELLED:
>> event_name = "BLOCK_JOB_CANCELLED";
>> break;
>> + case QEVENT_SUSPEND:
>> + event_name = "SUSPEND";
>> + break;
>> + case QEVENT_WAKEUP:
>> + event_name = "WAKEUP";
>> + break;
>> default:
>> abort();
>> break;
>> diff --git a/monitor.h b/monitor.h
>> index b72ea07..9df3bab 100644
>> --- a/monitor.h
>> +++ b/monitor.h
>> @@ -38,6 +38,8 @@ typedef enum MonitorEvent {
>> QEVENT_SPICE_DISCONNECTED,
>> QEVENT_BLOCK_JOB_COMPLETED,
>> QEVENT_BLOCK_JOB_CANCELLED,
>> + QEVENT_SUSPEND,
>> + QEVENT_WAKEUP,
>> QEVENT_MAX,
>> } MonitorEvent;
>>
>> diff --git a/vl.c b/vl.c
>> index bfdcb7c..570ea05 100644
>> --- a/vl.c
>> +++ b/vl.c
>> @@ -1416,6 +1416,7 @@ static void qemu_system_suspend(void)
>> {
>> pause_all_vcpus();
>> notifier_list_notify(&suspend_notifiers, NULL);
>> + monitor_protocol_event(QEVENT_SUSPEND, NULL);
>> is_suspended = true;
>> }
>>
>> @@ -1436,12 +1437,26 @@ void qemu_register_suspend_notifier(Notifier *notifier)
>>
>> void qemu_system_wakeup_request(WakeupReason reason)
>> {
>> + static const char *names[] = {
>> + [QEMU_WAKEUP_REASON_OTHER] = "other",
>> + [QEMU_WAKEUP_REASON_RTC] = "rtc",
>> + [QEMU_WAKEUP_REASON_PMTIMER] = "pmtimer",
>
> Is the reason really important for mngt? Can we just leave it out?
I assumed the wakeup reason could be useful, but dunno.
Zapping the code is no problem of course.
Lets ask mgmt aka libvirt folks ;)
cheers,
Gerd
>> + };
>> + const char *name;
>> + QObject *data;
>> +
>> if (!is_suspended) {
>> return;
>> }
>> if (!(wakeup_reason_mask & (1 << reason))) {
>> return;
>> }
>> +
>> + name = (reason < ARRAY_SIZE(names)) ? names[reason] : "unknown";
>> + data = qobject_from_jsonf("{ 'reason': %s }", name);
>> + monitor_protocol_event(QEVENT_WAKEUP, data);
>> + qobject_decref(data);
>> +
>> notifier_list_notify(&wakeup_notifiers, &reason);
>> reset_requested = 1;
>> qemu_notify_event();
>
--
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