@@ -20,6 +20,7 @@
#include "cpu.h"
#include "balloon.h"
#include "virtio-balloon.h"
+#include "virtio-transport.h"
#include "kvm.h"
#include "exec-memory.h"
@@ -272,3 +273,44 @@ void virtio_balloon_exit(VirtIODevice *vdev)
unregister_savevm(s->qdev, "virtio-balloon", s);
virtio_cleanup(vdev);
}
+
+/******************** VirtIOBaloon Device **********************/
+
+static int virtio_balloondev_init(DeviceState *dev)
+{
+ VirtIODevice *vdev;
+ VirtIOBaloonState *s = VIRTIO_BALLOON_FROM_QDEV(dev);
+ vdev = virtio_balloon_init(dev);
+ if (!vdev) {
+ return -1;
+ }
+
+ assert(s->trl != NULL);
+
+ return virtio_call_backend_init_cb(dev, s->trl, vdev);
+}
+
+static Property virtio_balloon_properties[] = {
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_balloon_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ dc->init = virtio_balloondev_init;
+ dc->props = virtio_balloon_properties;
+}
+
+static TypeInfo virtio_balloon_info = {
+ .name = "virtio-balloon",
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(VirtIOBaloonState),
+ .class_init = virtio_balloon_class_init,
+};
+
+static void virtio_baloon_register_types(void)
+{
+ type_register_static(&virtio_balloon_info);
+}
+
+type_init(virtio_baloon_register_types)
@@ -15,8 +15,10 @@
#ifndef _QEMU_VIRTIO_BALLOON_H
#define _QEMU_VIRTIO_BALLOON_H
+#include "sysbus.h"
#include "virtio.h"
#include "pci.h"
+#include "virtio-transport.h"
/* from Linux's linux/virtio_balloon.h */
@@ -52,4 +54,11 @@ typedef struct VirtIOBalloonStat {
uint64_t val;
} QEMU_PACKED VirtIOBalloonStat;
+typedef struct {
+ DeviceState qdev;
+ VirtIOTransportLink *trl;
+} VirtIOBaloonState;
+
+#define VIRTIO_BALLOON_FROM_QDEV(dev) DO_UPCAST(VirtIOBaloonState, qdev, dev)
+
#endif
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> --- hw/virtio-balloon.c | 42 ++++++++++++++++++++++++++++++++++++++++++ hw/virtio-balloon.h | 9 +++++++++ 2 files changed, 51 insertions(+)