#! /usr/bin/env bash

# https://wiki.archlinux.org/title/PCI_passthrough_via_OVMF#Ensuring_that_the_groups_are_valid

shopt -s nullglob

for g in $(find /sys/kernel/iommu_groups/* -maxdepth 0 -type d | sort -V); do
    echo "IOMMU Group ${g##*/}:"
    for d in "$g"/devices/*; do
        echo -e "\t$(lspci -nns "${d##*/}")"
  done
done