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authorGreg Kurz <gkurz@linux.vnet.ibm.com>2014-06-24 19:20:08 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-06-29 19:39:41 +0300
commit9ea2511c8542b875e89ab73d18480d42d6129a8c (patch)
tree1fd5c7fbb74a619d6b4898e15f58e8f75f9b193b
parent13c6855ab06b910a3a320b0e8f2b5f7ae8e2f351 (diff)
downloadqemu-9ea2511c8542b875e89ab73d18480d42d6129a8c.zip
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>
-rw-r--r--hw/virtio/virtio-balloon.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 165592e1d7..e0ed5eee03 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -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 = {