From 1d4f12f8d205110c1a9cf00728792c4c40f300d9 Mon Sep 17 00:00:00 2001
From: Matthew Lemon <y@yulqen.org>
Date: Mon, 30 Dec 2024 15:24:59 +0000
Subject: script from the docs on gpu passthru to detect iommu

---
 iommu_detect.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100755 iommu_detect.sh

diff --git a/iommu_detect.sh b/iommu_detect.sh
new file mode 100755
index 0000000..29b3068
--- /dev/null
+++ b/iommu_detect.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/bash
+#
+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;
+ 
-- 
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