qapi event: convert SUSPEND_DISK

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

@@ -352,20 +352,6 @@ Example:
                       "channel-id": 0, "tls": true}
 }}
 
-SUSPEND_DISK
-------------
-
-Emitted when the guest makes a request to enter S4 state.
-
-Data: None.
-
-Example:
-
-{ "event": "SUSPEND_DISK",
-     "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
-
-Note: QEMU shuts down when entering S4 state.
-
 VNC_CONNECTED
 -------------
 

hw/acpi/core.c

@@ -22,11 +22,11 @@
 #include "hw/hw.h"
 #include "hw/i386/pc.h"
 #include "hw/acpi/acpi.h"
-#include "monitor/monitor.h"
 #include "qemu/config-file.h"
 #include "qapi/opts-visitor.h"
 #include "qapi/dealloc-visitor.h"
 #include "qapi-visit.h"
+#include "qapi-event.h"
 
 struct acpi_table_header {
     uint16_t _length;         /* our length, not actual part of the hdr */
@@ -550,7 +550,7 @@ static void acpi_pm1_cnt_write(ACPIREGS *ar, uint16_t val)
             break;
         default:
             if (sus_typ == ar->pm1.cnt.s4_val) { /* S4 request */
-                monitor_protocol_event(QEVENT_SUSPEND_DISK, NULL);
+                qapi_event_send_suspend_disk(&error_abort);
                 qemu_system_shutdown_request();
             }
             break;

qapi-event.json

@@ -57,3 +57,15 @@
 # Since: 1.1
 ##
 { 'event': 'SUSPEND' }
+
+##
+# @SUSPEND_DISK
+#
+# Emitted when guest enters a hardware suspension state with data saved on
+# disk, for example, S4 state, which is sometimes called hibernate state
+#
+# Note: QEMU shuts down (similar to event @SHUTDOWN) when entering this state
+#
+# Since: 1.2
+##
+{ 'event': 'SUSPEND_DISK' }