vi_intr_init
if (vi_intr_init(&sc->vsc_vs, 1, fbsdrun_virtio_msix()))
if (vi_intr_init(&sc->vbsc_vs, 1, fbsdrun_virtio_msix())) {
if (vi_intr_init(&sc->vsc_vs, 1, fbsdrun_virtio_msix()))
if (vi_intr_init(&sc->vsc_vs, 1, fbsdrun_virtio_msix()))
if (vi_intr_init(&sc->vsc_vs, 1, fbsdrun_virtio_msix())) {
if (vi_intr_init(&sc->vrsc_vs, 1, fbsdrun_virtio_msix()))
if (vi_intr_init(&sc->vss_vs, 1, fbsdrun_virtio_msix()))
int vi_intr_init(struct virtio_softc *vs, int barnum, int use_msix);