hyperv_softc
CFATTACH_DECL_NEW(hyperv, sizeof(struct hyperv_softc),
static int hyperv_sysctl_setup_root(struct hyperv_softc *);
struct hyperv_softc *sc = device_private(self);
struct hyperv_softc *sc = device_private(self);
hyperv_sysctl_setup(struct hyperv_softc *sc,
hyperv_sysctl_setup_root(struct hyperv_softc *sc)