Add vfio stuff for win10

Add a whole bunch of stuff to start/stop displays for the win10 vm Hopefully this will allow win10 to directly use the same GPU in passthru mode
2025-01-08 08:05:24 -06:00
parent 8a0b0f55e8
commit 2bbbeaa5f1
7 changed files with 131 additions and 7 deletions
@@ -0,0 +1,33 @@
+{
+  writeShellApplication,
+  kmod,
+  systemd,
+}:
+
+writeShellApplication {
+  name = "vfio_startup";
+  runtimeInputs = [
+    kmod
+    systemd
+  ];
+  text = ''
+    # Stop the service that uses the GPU
+    echo "Stopping the display manager..."
+    systemctl stop display-manager.service
+
+    # Unload the GPU modules
+    echo "Unloading the GPU modules..."
+    modprobe -r nvidia_uvm
+    modprobe -r nvidia_drm
+    modprobe -r nvidia_modeset
+    modprobe -r nvidia
+
+    # Insert the vfio modules
+    echo "Inserting the vfio modules..."
+    modprobe vfio
+    modprobe vfio_pci
+    modprobe vfio_iommu_type1
+
+    echo "Aaaand... off you go!"
+  '';
+}