feat: working gpu passthrough \o/

usbiommu.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+shopt -s nullglob
+for usb_ctrl in /sys/bus/pci/devices/*/usb*; do
+  pci_path=${usb_ctrl%/*}
+  iommu_group=$(readlink $pci_path/iommu_group)
+  echo "Bus $(cat $usb_ctrl/busnum) --> ${pci_path##*/} (IOMMU group ${iommu_group##*/})"
+  lsusb -s ${usb_ctrl#*/usb}:
+  echo
+done