From afb609813dab53cd7be87ade04ac374c755c85fe Mon Sep 17 00:00:00 2001
From: Ian Mancini <ianmethyst@gmail.com>
Date: Sat, 27 Mar 2021 15:46:28 -0300
Subject: [PATCH] Add print-iommu-groups script

---
 print-iommu-groups | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100755 print-iommu-groups

diff --git a/print-iommu-groups b/print-iommu-groups
new file mode 100755
index 0000000..49c19e9
--- /dev/null
+++ b/print-iommu-groups
@@ -0,0 +1,7 @@
+#!/bin/bash
+shopt -s nullglob
+for d in /sys/kernel/iommu_groups/{0..999}/devices/*; do
+    n=${d#*/iommu_groups/*}; n=${n%%/*}
+    printf 'IOMMU Group %s ' "$n"
+    lspci -nns "${d##*/}"
+done