From 80cd34787fc0fc31b1a341c7b8d8e729c1b6ea58 Mon Sep 17 00:00:00 2001 From: Luiz Capitulino Date: Thu, 25 Feb 2010 12:11:44 -0300 Subject: [PATCH] QMP: Introduce RTC_CHANGE event Emitted whenever the RTC time changes. Signed-off-by: Luiz Capitulino Signed-off-by: Anthony Liguori --- QMP/qmp-events.txt | 15 +++++++++++++++ hw/mc146818rtc.c | 2 ++ monitor.c | 3 +++ monitor.h | 1 + sysemu.h | 2 ++ vl.c | 9 +++++++++ 6 files changed, 32 insertions(+) diff --git a/QMP/qmp-events.txt b/QMP/qmp-events.txt index 5ab5750..72920f6 100644 --- a/QMP/qmp-events.txt +++ b/QMP/qmp-events.txt @@ -38,6 +38,21 @@ Example: { "event": "RESET", "timestamp": { "seconds": 1267041653, "microseconds": 9518 } } +RTC_CHANGE +---------- + +Emitted when the RTC time changes. + +Data: + +- "offset": delta against the host UTC in seconds (json-number) + +Example: + +{ "event": "RTC_CHANGE", + "data": { "offset": 78 }, + "timestamp": { "seconds": 1267020223, "microseconds": 435656 } } + SHUTDOWN -------- diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index 2616d0d..a537855 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -297,6 +297,8 @@ static void rtc_set_time(RTCState *s) tm->tm_mday = rtc_from_bcd(s, s->cmos_data[RTC_DAY_OF_MONTH]); tm->tm_mon = rtc_from_bcd(s, s->cmos_data[RTC_MONTH]) - 1; tm->tm_year = rtc_from_bcd(s, s->cmos_data[RTC_YEAR]) + s->base_year - 1900; + + rtc_change_mon_event(tm); } static void rtc_copy_date(RTCState *s) diff --git a/monitor.c b/monitor.c index 1ef672c..f062b92 100644 --- a/monitor.c +++ b/monitor.c @@ -423,6 +423,9 @@ void monitor_protocol_event(MonitorEvent event, QObject *data) case QEVENT_BLOCK_IO_ERROR: event_name = "BLOCK_IO_ERROR"; break; + case QEVENT_RTC_CHANGE: + event_name = "RTC_CHANGE"; + break; default: abort(); break; diff --git a/monitor.h b/monitor.h index 8cc21f5..aa51bd5 100644 --- a/monitor.h +++ b/monitor.h @@ -23,6 +23,7 @@ typedef enum MonitorEvent { QEVENT_VNC_INITIALIZED, QEVENT_VNC_DISCONNECTED, QEVENT_BLOCK_IO_ERROR, + QEVENT_RTC_CHANGE, QEVENT_MAX, } MonitorEvent; diff --git a/sysemu.h b/sysemu.h index d77344c..afa11b5 100644 --- a/sysemu.h +++ b/sysemu.h @@ -256,6 +256,8 @@ void do_usb_add(Monitor *mon, const QDict *qdict); void do_usb_del(Monitor *mon, const QDict *qdict); void usb_info(Monitor *mon); +void rtc_change_mon_event(struct tm *tm); + void register_devices(void); #endif diff --git a/vl.c b/vl.c index 03a47a4..d8328c7 100644 --- a/vl.c +++ b/vl.c @@ -1492,6 +1492,15 @@ int qemu_timedate_diff(struct tm *tm) return seconds - time(NULL); } +void rtc_change_mon_event(struct tm *tm) +{ + QObject *data; + + data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm)); + monitor_protocol_event(QEVENT_RTC_CHANGE, data); + qobject_decref(data); +} + static void configure_rtc_date_offset(const char *startdate, int legacy) { time_t rtc_start_date; -- 2.7.4