ixl_hmc_kva
hmc = ixl_hmc_kva(sc, IXL_HMC_LAN_TX, txr->txr_qid);
hmc = ixl_hmc_kva(sc, IXL_HMC_LAN_TX, txr->txr_qid);
hmc = ixl_hmc_kva(sc, IXL_HMC_LAN_RX, rxr->rxr_qid);
hmc = ixl_hmc_kva(sc, IXL_HMC_LAN_RX, rxr->rxr_qid);