qapi event: convert GUEST_PANICKED

'monitor.h' is still included in target-s390x/kvm.c, since I have
no good way to verify whether other code need it on my x86 host.

Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

docs/qmp/qmp-events.txt

@@ -1,20 +1,6 @@
                    QEMU Machine Protocol Events
                    ============================
 
-GUEST_PANICKED
---------------
-
-Emitted when guest OS panic is detected.
-
-Data:
-
-- "action": Action that has been taken (json-string, currently always "pause").
-
-Example:
-
-{ "event": "GUEST_PANICKED",
-     "data": { "action": "pause" } }
-
 QUORUM_FAILURE
 --------------
 

hw/misc/pvpanic.c

@@ -14,12 +14,12 @@
 
 #include "qapi/qmp/qobject.h"
 #include "qapi/qmp/qjson.h"
-#include "monitor/monitor.h"
 #include "sysemu/sysemu.h"
 #include "qemu/log.h"
 
 #include "hw/nvram/fw_cfg.h"
 #include "hw/i386/pc.h"
+#include "qapi-event.h"
 
 /* The bit of supported pv event */
 #define PVPANIC_F_PANICKED      0
@@ -31,15 +31,6 @@
 #define ISA_PVPANIC_DEVICE(obj)    \
     OBJECT_CHECK(PVPanicState, (obj), TYPE_ISA_PVPANIC_DEVICE)
 
-static void panicked_mon_event(const char *action)
-{
-    QObject *data;
-
-    data = qobject_from_jsonf("{ 'action': %s }", action);
-    monitor_protocol_event(QEVENT_GUEST_PANICKED, data);
-    qobject_decref(data);
-}
-
 static void handle_event(int event)
 {
     static bool logged;
@@ -50,7 +41,7 @@ static void handle_event(int event)
     }
 
     if (event & PVPANIC_PANICKED) {
-        panicked_mon_event("pause");
+        qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
         vm_stop(RUN_STATE_GUEST_PANICKED);
         return;
     }

qapi-event.json

@@ -266,3 +266,15 @@
 ##
 { 'event': 'BALLOON_CHANGE',
   'data': { 'actual': 'int' } }
+
+##
+# @GUEST_PANICKED
+#
+# Emitted when guest OS panic is detected
+#
+# @action: action that has been taken, currently always "pause"
+#
+# Since: 1.5
+##
+{ 'event': 'GUEST_PANICKED',
+  'data': { 'action': 'GuestPanicAction' } }

qapi-schema.json

@@ -3385,4 +3385,16 @@
 { 'enum': 'IoOperationType',
   'data': [ 'read', 'write' ] }
 
+##
+# @GuestPanicAction
+#
+# An enumeration of the actions taken when guest OS panic is detected
+#
+# @pause: system pauses
+#
+# Since: 2.1
+##
+{ 'enum': 'GuestPanicAction',
+  'data': [ 'pause' ] }
+
 { 'include': 'qapi-event.json' }

target-s390x/kvm.c

@@ -39,6 +39,7 @@
 #include "monitor/monitor.h"
 #include "exec/gdbstub.h"
 #include "trace.h"
+#include "qapi-event.h"
 
 /* #define DEBUG_KVM */
 
@@ -1029,12 +1030,8 @@ static bool is_special_wait_psw(CPUState *cs)
 
 static void guest_panicked(void)
 {
-    QObject *data;
-
-    data = qobject_from_jsonf("{ 'action': %s }", "pause");
-    monitor_protocol_event(QEVENT_GUEST_PANICKED, data);
-    qobject_decref(data);
-
+    qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
+                                   &error_abort);
     vm_stop(RUN_STATE_GUEST_PANICKED);
 }