check_enabled
check_enabled(iov_ctl & PCIM_SRIOV_VF_EN),
check_enabled(iov_ctl & PCIM_SRIOV_VF_MSE),
check_enabled(iov_ctl & PCIM_SRIOV_ARI_EN));
check_enabled(acs_ctl & PCIM_ACS_IO_REQ_BLOCKING_ENABLE),
check_enabled(acs_ctl & PCIM_ACS_UNCLAIMED_REQ_REDIRECT_CTL));