qapi event: convert BLOCK_IMAGE_CORRUPTED

[qemu.git] / vl.c

diff --git a/vl.c b/vl.c
index 54b46271c21ac5c6503ddeeacd317796de81ec25..68380d7ff12c1d8f3c8b0a0e16a22980d2ddfc62 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -117,6 +117,8 @@ int main(int argc, char **argv)
 #include "ui/qemu-spice.h"
 #include "qapi/string-input-visitor.h"
 #include "qapi/opts-visitor.h"
+#include "qom/object_interfaces.h"
+#include "qapi-event.h"
 
 #define DEFAULT_RAM_SIZE 128
 
@@ -574,6 +576,10 @@ static int default_driver_check(QemuOpts *opts, void *opaque)
 
 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 
+/* We use RUN_STATE_MAX but any invalid value will do */
+static RunState vmstop_requested = RUN_STATE_MAX;
+static QemuMutex vmstop_lock;
+
 typedef struct {
     RunState from;
     RunState to;
@@ -650,10 +656,11 @@ static void runstate_init(void)
     const RunStateTransition *p;
 
     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
-
     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
         runstate_valid_transitions[p->from][p->to] = true;
     }
+
+    qemu_mutex_init(&vmstop_lock);
 }
 
 /* This function will abort() on invalid state transitions */
@@ -693,6 +700,54 @@ StatusInfo *qmp_query_status(Error **errp)
     return info;
 }
 
+static bool qemu_vmstop_requested(RunState *r)
+{
+    qemu_mutex_lock(&vmstop_lock);
+    *r = vmstop_requested;
+    vmstop_requested = RUN_STATE_MAX;
+    qemu_mutex_unlock(&vmstop_lock);
+    return *r < RUN_STATE_MAX;
+}
+
+void qemu_system_vmstop_request_prepare(void)
+{
+    qemu_mutex_lock(&vmstop_lock);
+}
+
+void qemu_system_vmstop_request(RunState state)
+{
+    vmstop_requested = state;
+    qemu_mutex_unlock(&vmstop_lock);
+    qemu_notify_event();
+}
+
+void vm_start(void)
+{
+    RunState requested;
+
+    qemu_vmstop_requested(&requested);
+    if (runstate_is_running() && requested == RUN_STATE_MAX) {
+        return;
+    }
+
+    /* Ensure that a STOP/RESUME pair of events is emitted if a
+     * vmstop request was pending.  The BLOCK_IO_ERROR event, for
+     * example, according to documentation is always followed by
+     * the STOP event.
+     */
+    if (runstate_is_running()) {
+        qapi_event_send_stop(&error_abort);
+    } else {
+        cpu_enable_ticks();
+        runstate_set(RUN_STATE_RUNNING);
+        vm_state_notify(1, RUN_STATE_RUNNING);
+        resume_all_vcpus();
+    }
+
+    qapi_event_send_resume(&error_abort);
+}
+
+
 /***********************************************************/
 /* real time host monotonic timer */
 
@@ -733,15 +788,6 @@ 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;
@@ -1658,17 +1704,6 @@ void vm_state_notify(int running, RunState state)
     }
 }
 
-void vm_start(void)
-{
-    if (!runstate_is_running()) {
-        cpu_enable_ticks();
-        runstate_set(RUN_STATE_RUNNING);
-        vm_state_notify(1, RUN_STATE_RUNNING);
-        resume_all_vcpus();
-        monitor_protocol_event(QEVENT_RESUME, NULL);
-    }
-}
-
 /* reset/shutdown handler */
 
 typedef struct QEMUResetEntry {
@@ -1693,7 +1728,6 @@ static NotifierList suspend_notifiers =
 static NotifierList wakeup_notifiers =
     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
-static RunState vmstop_requested = RUN_STATE_MAX;
 
 int qemu_shutdown_requested_get(void)
 {
@@ -1761,18 +1795,6 @@ static int qemu_debug_requested(void)
     return r;
 }
 
-/* We use RUN_STATE_MAX but any invalid value will do */
-static bool qemu_vmstop_requested(RunState *r)
-{
-    if (vmstop_requested < RUN_STATE_MAX) {
-        *r = vmstop_requested;
-        vmstop_requested = RUN_STATE_MAX;
-        return true;
-    }
-
-    return false;
-}
-
 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
 {
     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
@@ -1817,7 +1839,7 @@ void qemu_system_reset(bool report)
         qemu_devices_reset();
     }
     if (report) {
-        monitor_protocol_event(QEVENT_RESET, NULL);
+        qapi_event_send_reset(&error_abort);
     }
     cpu_synchronize_all_post_reset();
 }
@@ -1838,7 +1860,7 @@ static void qemu_system_suspend(void)
     pause_all_vcpus();
     notifier_list_notify(&suspend_notifiers, NULL);
     runstate_set(RUN_STATE_SUSPENDED);
-    monitor_protocol_event(QEVENT_SUSPEND, NULL);
+    qapi_event_send_suspend(&error_abort);
 }
 
 void qemu_system_suspend_request(void)
@@ -1901,7 +1923,7 @@ void qemu_system_shutdown_request(void)
 
 static void qemu_system_powerdown(void)
 {
-    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
+    qapi_event_send_powerdown(&error_abort);
     notifier_list_notify(&powerdown_notifiers, NULL);
 }
 
@@ -1922,12 +1944,6 @@ void qemu_system_debug_request(void)
     qemu_notify_event();
 }
 
-void qemu_system_vmstop_request(RunState state)
-{
-    vmstop_requested = state;
-    qemu_notify_event();
-}
-
 static bool main_loop_should_exit(void)
 {
     RunState r;
@@ -1939,7 +1955,7 @@ static bool main_loop_should_exit(void)
     }
     if (qemu_shutdown_requested()) {
         qemu_kill_report();
-        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
+        qapi_event_send_shutdown(&error_abort);
         if (no_shutdown) {
             vm_stop(RUN_STATE_SHUTDOWN);
         } else {
@@ -1962,7 +1978,7 @@ static bool main_loop_should_exit(void)
         notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
         wakeup_reason = QEMU_WAKEUP_REASON_NONE;
         resume_all_vcpus();
-        monitor_protocol_event(QEVENT_WAKEUP, NULL);
+        qapi_event_send_wakeup(&error_abort);
     }
     if (qemu_powerdown_requested()) {
         qemu_system_powerdown();