bin/list_iommu_groups

#!/usr/bin/env bash

# https://drakeor.com/2022/02/16/kvm-gpu-passthrough-tutorial/

shopt -s nullglob
for g in /sys/kernel/iommu_groups/*; do
    echo "IOMMU Group ${g##*/}:"
    for d in $g/devices/*; do
        echo -e "\t$(lspci -nns ${d##*/})"
    done;
done