virtio-balloon: implement per-device migration calls

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Greg Kurz 2014-06-24 19:20:08 +02:00 committed by Michael S. Tsirkin
parent 13c6855ab0
commit 9ea2511c85

View File

@ -325,10 +325,12 @@ static void virtio_balloon_to_target(void *opaque, ram_addr_t target)
static void virtio_balloon_save(QEMUFile *f, void *opaque)
{
VirtIOBalloon *s = VIRTIO_BALLOON(opaque);
VirtIODevice *vdev = VIRTIO_DEVICE(s);
virtio_save(VIRTIO_DEVICE(opaque), f);
}
virtio_save(vdev, f);
static void virtio_balloon_save_device(VirtIODevice *vdev, QEMUFile *f)
{
VirtIOBalloon *s = VIRTIO_BALLOON(vdev);
qemu_put_be32(f, s->num_pages);
qemu_put_be32(f, s->actual);
@ -336,17 +338,16 @@ static void virtio_balloon_save(QEMUFile *f, void *opaque)
static int virtio_balloon_load(QEMUFile *f, void *opaque, int version_id)
{
VirtIOBalloon *s = VIRTIO_BALLOON(opaque);
VirtIODevice *vdev = VIRTIO_DEVICE(s);
int ret;
if (version_id != 1)
return -EINVAL;
ret = virtio_load(vdev, f, version_id);
if (ret) {
return ret;
}
return virtio_load(VIRTIO_DEVICE(opaque), f, version_id);
}
static int virtio_balloon_load_device(VirtIODevice *vdev, QEMUFile *f,
int version_id)
{
VirtIOBalloon *s = VIRTIO_BALLOON(vdev);
s->num_pages = qemu_get_be32(f);
s->actual = qemu_get_be32(f);
@ -416,6 +417,8 @@ static void virtio_balloon_class_init(ObjectClass *klass, void *data)
vdc->get_config = virtio_balloon_get_config;
vdc->set_config = virtio_balloon_set_config;
vdc->get_features = virtio_balloon_get_features;
vdc->save = virtio_balloon_save_device;
vdc->load = virtio_balloon_load_device;
}
static const TypeInfo virtio_balloon_info = {