From b9f687dd0b754ecb061340379bb20254497e512b Mon Sep 17 00:00:00 2001
From: "Kenneth Benzie (Benie)" <benie@infektor.net>
Date: Fri, 22 Dec 2023 13:09:25 +0000
Subject: [PATCH] Add ls-iommu utility

---
 ls-iommu.sh                    | 6 ++++++
 utilities/utilities.plugin.zsh | 4 ++++
 2 files changed, 10 insertions(+)
 create mode 100755 ls-iommu.sh

diff --git a/ls-iommu.sh b/ls-iommu.sh
new file mode 100755
index 0000000..326de2a
--- /dev/null
+++ b/ls-iommu.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+for d in /sys/kernel/iommu_groups/*/devices/*; do
+  n=${d#*/iommu_groups/*}; n=${n%%/*}
+  printf '%s ' "$n"
+  lspci -nns "${d##*/}"
+done
diff --git a/utilities/utilities.plugin.zsh b/utilities/utilities.plugin.zsh
index 9b7f254..0332b57 100644
--- a/utilities/utilities.plugin.zsh
+++ b/utilities/utilities.plugin.zsh
@@ -102,3 +102,7 @@ if which docker-machine &> /dev/null; then
     fi
   }
 fi
+
+ls-iommu() {
+  ${0:a:h}/ls-iommu.sh | sort -n
+}