/* We only support 32 feature bits. */
BUILD_BUG_ON(ARRAY_SIZE(vdev->features) != 1);
iowrite32(vdev->features[0], vp_dev->ioaddr+VIRTIO_PCI_GUEST_FEATURES);
/* We only support 32 feature bits. */
BUILD_BUG_ON(ARRAY_SIZE(vdev->features) != 1);
iowrite32(vdev->features[0], vp_dev->ioaddr+VIRTIO_PCI_GUEST_FEATURES);