hv_rx_lo_read_idx 1020 dev/pci/if_txp.c 	sc->sc_rxlor.r_roff = &sc->sc_hostvar->hv_rx_lo_read_idx;
hv_rx_lo_read_idx  475 dev/pci/if_txpreg.h 	volatile u_int32_t	hv_rx_lo_read_idx;	/* host->arm */