configs/arch-config/scripts/iommu.sh

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#!/bin/bash
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set -euo pipefail
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;
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done;