X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/d439b79d730bf219e47c14ab94f1546bcc5045ab..76b64a7aa84965ee9c7594058a43b00c2a14c72e:/balloon.c

diff --git a/balloon.c b/balloon.c
index e1cd5fac4c..e02ab1c884 100644
--- a/balloon.c
+++ b/balloon.c
@@ -30,6 +30,7 @@
 #include "balloon.h"
 #include "trace.h"
 #include "qmp-commands.h"
+#include "qjson.h"
 
 static QEMUBalloonEvent *balloon_event_fn;
 static QEMUBalloonStatus *balloon_stat_fn;
@@ -80,6 +81,19 @@ static int qemu_balloon_status(BalloonInfo *info)
     return 1;
 }
 
+void qemu_balloon_changed(int64_t actual)
+{
+    QObject *data;
+
+    data = qobject_from_jsonf("{ 'actual': %" PRId64 " }",
+                              actual);
+
+    monitor_protocol_event(QEVENT_BALLOON_CHANGE, data);
+
+    qobject_decref(data);
+}
+
+
 BalloonInfo *qmp_query_balloon(Error **errp)
 {
     BalloonInfo *info;
@@ -100,31 +114,19 @@ BalloonInfo *qmp_query_balloon(Error **errp)
     return info;
 }
 
-/**
- * do_balloon(): Request VM to change its memory allocation
- */
-int do_balloon(Monitor *mon, const QDict *params,
-	       MonitorCompletion cb, void *opaque)
+void qmp_balloon(int64_t value, Error **errp)
 {
-    int64_t target;
-    int ret;
-
     if (kvm_enabled() && !kvm_has_sync_mmu()) {
-        qerror_report(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
-        return -1;
+        error_set(errp, QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
+        return;
     }
 
-    target = qdict_get_int(params, "value");
-    if (target <= 0) {
-        qerror_report(QERR_INVALID_PARAMETER_VALUE, "target", "a size");
-        return -1;
+    if (value <= 0) {
+        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "target", "a size");
+        return;
     }
-    ret = qemu_balloon(target);
-    if (ret == 0) {
-        qerror_report(QERR_DEVICE_NOT_ACTIVE, "balloon");
-        return -1;
+    
+    if (qemu_balloon(value) == 0) {
+        error_set(errp, QERR_DEVICE_NOT_ACTIVE, "balloon");
     }
-
-    cb(opaque, NULL);
-    return 0;
 }