qapi: Add HV_BALLOON_STATUS_REPORT event and its QMP query command

Used by the hv-balloon driver for (optional) guest memory status reports.

Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/hw/hyperv/hv-balloon-stub.c b/hw/hyperv/hv-balloon-stub.c
new file mode 100644
index 0000000000..a47412d4a8
--- /dev/null
+++ b/hw/hyperv/hv-balloon-stub.c
@@ -0,0 +1,19 @@
+/*
+ * QEMU Hyper-V Dynamic Memory Protocol driver
+ *
+ * Copyright (C) 2023 Oracle and/or its affiliates.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-machine.h"
+#include "qapi/qapi-types-machine.h"
+
+HvBalloonInfo *qmp_query_hv_balloon_status_report(Error **errp)
+{
+    error_setg(errp, "hv-balloon device not enabled in this build");
+    return NULL;
+}