ENA_REG_BAR
rnumber = ena_bar_to_rnumber(ena, ENA_REG_BAR);
ena_err(ena, "failed to find rnumber for BAR %d", ENA_REG_BAR);
ENA_REG_BAR, rnumber, ret);
ENA_REG_BAR, (void *)ena->ena_reg_base, ena->ena_reg_size);