Add ls-iommu utility

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

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
+}