#!/bin/bash # Script from Wendell from Level1Tech # Originally from here: https://forum.level1techs.com/t/ubuntu-17-04-vfio-pcie-passthrough-kernel-update-4-14-rc1/119639 for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*} printf 'IOMMU Group %s: ' "$n" lspci -nns "${d##*/}" done