QMP: Introduce RTC_CHANGE event
Emitted whenever the RTC time changes. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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@ -38,6 +38,21 @@ Example:
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{ "event": "RESET",
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"timestamp": { "seconds": 1267041653, "microseconds": 9518 } }
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RTC_CHANGE
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----------
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Emitted when the RTC time changes.
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Data:
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- "offset": delta against the host UTC in seconds (json-number)
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Example:
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{ "event": "RTC_CHANGE",
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"data": { "offset": 78 },
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"timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
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SHUTDOWN
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--------
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@ -297,6 +297,8 @@ static void rtc_set_time(RTCState *s)
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tm->tm_mday = rtc_from_bcd(s, s->cmos_data[RTC_DAY_OF_MONTH]);
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tm->tm_mon = rtc_from_bcd(s, s->cmos_data[RTC_MONTH]) - 1;
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tm->tm_year = rtc_from_bcd(s, s->cmos_data[RTC_YEAR]) + s->base_year - 1900;
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rtc_change_mon_event(tm);
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}
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static void rtc_copy_date(RTCState *s)
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@ -423,6 +423,9 @@ void monitor_protocol_event(MonitorEvent event, QObject *data)
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case QEVENT_BLOCK_IO_ERROR:
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event_name = "BLOCK_IO_ERROR";
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break;
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case QEVENT_RTC_CHANGE:
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event_name = "RTC_CHANGE";
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break;
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default:
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abort();
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break;
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@ -23,6 +23,7 @@ typedef enum MonitorEvent {
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QEVENT_VNC_INITIALIZED,
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QEVENT_VNC_DISCONNECTED,
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QEVENT_BLOCK_IO_ERROR,
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QEVENT_RTC_CHANGE,
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QEVENT_MAX,
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} MonitorEvent;
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2
sysemu.h
2
sysemu.h
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@ -256,6 +256,8 @@ void do_usb_add(Monitor *mon, const QDict *qdict);
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void do_usb_del(Monitor *mon, const QDict *qdict);
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void usb_info(Monitor *mon);
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void rtc_change_mon_event(struct tm *tm);
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void register_devices(void);
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#endif
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9
vl.c
9
vl.c
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@ -1492,6 +1492,15 @@ int qemu_timedate_diff(struct tm *tm)
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return seconds - time(NULL);
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}
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void rtc_change_mon_event(struct tm *tm)
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{
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QObject *data;
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data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
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monitor_protocol_event(QEVENT_RTC_CHANGE, data);
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qobject_decref(data);
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}
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static void configure_rtc_date_offset(const char *startdate, int legacy)
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{
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time_t rtc_start_date;
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