added iommu

1 files changed, 4 insertions, 0 deletions

diff --git a/RyanThinkpad.scm b/RyanThinkpad.scm
index bfacd6b..1066bac 100644
--- a/RyanThinkpad.scm
+++ b/RyanThinkpad.scm
@@ -3,6 +3,10 @@
 
 (operating-system
   (inherit base-operating-system)
+  (kernel-arguments (append (list "intel_iommu=on")
+                            %default-kernel-arguments))
+  (initrd-modules (cons* "vfio_pci" "vfio" "vfio_iommu_type1"
+                         %base-initrd-modules))
   (host-name "RyanThinkpad")
   (mapped-devices (list (mapped-device
                           (source (uuid