usba_hcdi
usba_hcdi_t *usba_hcdi;
usba_hcdi = usba_hcdi_get_hcdi(dip);
usba_hcdi_ops = usba_hcdi->hcdi_ops;
_NOTE(MUTEX_PROTECTS_DATA(usba_hcdi::hcdi_mutex,
usba_hcdi::hcdi_usb_address_in_use))