void virtio_save(VirtIODevice *vdev, QEMUFile *f) { BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); uint32_t guest_features_lo = (vdev->guest_features & 0xffffffff); int i; if (k->save_config) { k->save_config(qbus->parent, f); } qemu_put_8s(f, &vdev->status); qemu_put_8s(f, &vdev->isr); qemu_put_be16s(f, &vdev->queue_sel); qemu_put_be32s(f, &guest_features_lo); qemu_put_be32(f, vdev->config_len); qemu_put_buffer(f, vdev->config, vdev->config_len); for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { if (vdev->vq[i].vring.num == 0) break; } qemu_put_be32(f, i); for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { if (vdev->vq[i].vring.num == 0) break; qemu_put_be32(f, vdev->vq[i].vring.num); if (k->has_variable_vring_alignment) { qemu_put_be32(f, vdev->vq[i].vring.align); } /* XXX virtio-1 devices */ qemu_put_be64(f, vdev->vq[i].vring.desc); qemu_put_be16s(f, &vdev->vq[i].last_avail_idx); if (k->save_queue) { k->save_queue(qbus->parent, i, f); } } if (vdc->save != NULL) { vdc->save(vdev, f); } if (vdc->vmsd) { vmstate_save_state(f, vdc->vmsd, vdev, NULL); } /* Subsections */ vmstate_save_state(f, &vmstate_virtio, vdev, NULL); }