From 233e4fe6a85f38a9db926259dd083fd22c794782 Mon Sep 17 00:00:00 2001
From: blahai <github@blahai.gay>
Date: Fri, 22 Nov 2024 21:51:14 +0200
Subject: [PATCH] Global: add IOMMU toggle to virualisation

---
 modules/nixos/virtualisation.nix | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/modules/nixos/virtualisation.nix b/modules/nixos/virtualisation.nix
index 4b81237..6531d55 100644
--- a/modules/nixos/virtualisation.nix
+++ b/modules/nixos/virtualisation.nix
@@ -1,10 +1,12 @@
-{ pkgs, lib, config, ... }: {
-  boot = {
-    initrd.kernelModules = lib.mkBefore [
-      "kvm-amd"
-      "vfio_pci"
-      "vfio_iommu_type1"
-      "vfio"
+{ pkgs, lib, config, ... }:
+let enableIOMMU = true;
+in {
+  boot = lib.mkIf enableIOMMU {
+    initrd.kernelModules = lib.mkBefore [ 
+      "kvm-amd" 
+      "vfio_pci" 
+      "vfio_iommu_type1" 
+      "vfio" 
     ];
     kernelParams = [
       "amd_iommu=on"
@@ -49,5 +51,4 @@
     moonlight-qt # for linux vms
     looking-glass-client # for windows vms :husk:
   ];
-
 }