Commit 3902d49e authored by Greg Kurz's avatar Greg Kurz Committed by Michael S. Tsirkin
Browse files

virtio-rng: implement per-device migration calls 



While we are here, we also check virtio_load() return value.

Signed-off-by: default avatarGreg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: default avatarAlexander Graf <agraf@suse.de>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 9ea2511c

hw/virtio/virtio-rng.c

+7 −5
Original line number Diff line number Diff line
@@ -107,19 +107,20 @@ static void virtio_rng_save(QEMUFile *f, void *opaque) 


static int virtio_rng_load(QEMUFile *f, void *opaque, int version_id)

{

    VirtIORNG *vrng = opaque;

    VirtIODevice *vdev = VIRTIO_DEVICE(vrng);



    if (version_id != 1) {

        return -EINVAL;

    }

    virtio_load(vdev, f, version_id);

    return virtio_load(VIRTIO_DEVICE(opaque), f, version_id);

}



static int virtio_rng_load_device(VirtIODevice *vdev, QEMUFile *f,

                                  int version_id)

{

    /* We may have an element ready but couldn't process it due to a quota

     * limit.  Make sure to try again after live migration when the quota may

     * have been reset.

     */

    virtio_rng_process(vrng);

    virtio_rng_process(VIRTIO_RNG(vdev));



    return 0;

}
@@ -219,6 +220,7 @@ static void virtio_rng_class_init(ObjectClass *klass, void *data) 
    vdc->realize = virtio_rng_device_realize;

    vdc->unrealize = virtio_rng_device_unrealize;

    vdc->get_features = get_features;

    vdc->load = virtio_rng_load_device;

}



static void virtio_rng_initfn(Object *obj)