249 	sc->cdev = make_dev(&cmx_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,  in cmx_attach()
251 	if (!sc->cdev) {  in cmx_attach()
255 	sc->cdev->si_drv1 = sc;  in cmx_attach()
287 	destroy_dev(sc->cdev);  in cmx_detach()
417 cmx_open(struct cdev *cdev, int flags, int fmt, struct thread *td)  in cmx_open()  argument
419 	struct cmx_softc *sc = cdev->si_drv1;  in cmx_open()
441 cmx_close(struct cdev *cdev, int flags, int fmt, struct thread *td)  in cmx_close()  argument
443 	struct cmx_softc *sc = cdev->si_drv1;  in cmx_close()
478 cmx_read(struct cdev *cdev, struct uio *uio, int flag)  in cmx_read()  argument
480 	struct cmx_softc *sc = cdev->si_drv1;  in cmx_read()
579 cmx_write(struct cdev *cdev, struct uio *uio, int flag)  in cmx_write()  argument
581 	struct cmx_softc *sc = cdev->si_drv1;  in cmx_write()
644 cmx_poll(struct cdev *cdev, int events, struct thread *td)  in cmx_poll()  argument
646 	struct cmx_softc *sc = cdev->si_drv1;  in cmx_poll()