sun4v_intr_settarget
err = sun4v_intr_settarget(devhandle, sysino, ih->ih_cpu->ci_upaid);
err = sun4v_intr_settarget(devhandle, sysino, ih->ih_cpu->ci_upaid);
int64_t sun4v_intr_settarget(uint64_t, uint64_t, uint64_t);