VD_OP_SET_DISKGEOM
{VD_OP_SET_DISKGEOM, DKIOCSGEOM, sizeof (vd_geom_t),
{VD_OP_SET_DISKGEOM, STRINGIZE(VD_OP_SET_DISKGEOM),
{X(VD_OP_SET_DISKGEOM), vd_ioctl, NULL},
(1 << VD_OP_SET_DISKGEOM) | \