From 032b527d2e603368e7b43e2e2eb2f6b5dcd04996 Mon Sep 17 00:00:00 2001
From: Dave Gallant <davegallant@proton.me>
Date: Sun, 13 Apr 2025 20:35:12 -0400
Subject: [PATCH] Add kernelModules and kernelParameters

---
 hosts/hephaestus/configuration.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/hosts/hephaestus/configuration.nix b/hosts/hephaestus/configuration.nix
index 55b619a..4ebf228 100644
--- a/hosts/hephaestus/configuration.nix
+++ b/hosts/hephaestus/configuration.nix
@@ -29,8 +29,17 @@ in
   };
 
   boot = {
-    kernelModules = [ "kvm-amd" ];
+    kernelModules = [
+      "kvm-amd"
+      "vfio_pci"
+      "vfio"
+      "vfio_iommu_type1"
+      "vfio_virqfd"
+    ];
     kernelPackages = pkgs.linuxPackages_latest;
+    kernelParams = [
+      "amd_iommu=on"
+    ];
 
     loader = {
       efi.canTouchEfiVariables = true;