From 84fcf2693228f2cf2591d57f7ffad3ba54dbd9db Mon Sep 17 00:00:00 2001
From: yaroslav <yaroslav@Aphelion.local>
Date: Tue, 10 Jun 2025 22:41:58 +0300
Subject: [PATCH] added iommu support for Quark

---
 flake.nix                            | 1 +
 hosts/Aphelion/hardware-Aphelion.nix | 1 +
 hosts/Quark/Quark-hardware.nix       | 6 +++++-
 hosts/Ratchet/hardware-Ratchet.nix   | 1 +
 hosts/generic/virtualization.nix     | 2 +-
 5 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 7c99296..eb737db 100644
--- a/flake.nix
+++ b/flake.nix
@@ -91,6 +91,7 @@
           ./hosts/generic/configuration_generic.nix
           ./hosts/generic/users.nix
           ./hosts/Quark/Quark-hardware.nix
+          ./hosts/generic/virtualization.nix
  #         hm-stable.nixosModules.home-manager {
  #           home-manager.useUserPackages = true;
  #           home-manager.users.yaroslav = {
diff --git a/hosts/Aphelion/hardware-Aphelion.nix b/hosts/Aphelion/hardware-Aphelion.nix
index cb5cc97..6bff5ba 100644
--- a/hosts/Aphelion/hardware-Aphelion.nix
+++ b/hosts/Aphelion/hardware-Aphelion.nix
@@ -13,6 +13,7 @@
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
   boot.kernelPackages = pkgs.linuxPackages_zen;
+  boot.extraModprobeConfig = "options kvm_amd nested=1";
 
   fileSystems."/" =
     { #device = "/dev/disk/by-uuid/3126fadd-b793-4110-bcb7-577b7978cba2";
diff --git a/hosts/Quark/Quark-hardware.nix b/hosts/Quark/Quark-hardware.nix
index 740a72d..dfa0fc7 100644
--- a/hosts/Quark/Quark-hardware.nix
+++ b/hosts/Quark/Quark-hardware.nix
@@ -10,9 +10,13 @@
   boot.initrd.supportedFilesystems = [ "nfs" "nfsv4" "overlay" ];
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" "sr_mod" "nfs" "nfsv4" ];
   boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
   swapDevices = [ ];
+  boot.extraModprobeConfig = "options kvm_intel nested=1";
+  boot.kernelParams = [
+    "intel_iommu=on"
+  ];
 
   fileSystems."/" = {
     device = "/dev/sda4";
diff --git a/hosts/Ratchet/hardware-Ratchet.nix b/hosts/Ratchet/hardware-Ratchet.nix
index 19d27f7..7714583 100644
--- a/hosts/Ratchet/hardware-Ratchet.nix
+++ b/hosts/Ratchet/hardware-Ratchet.nix
@@ -12,6 +12,7 @@
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
+  boot.extraModprobeConfig = "options kvm_amd nested=1";
 
   fileSystems."/" =
     { device = "none";
diff --git a/hosts/generic/virtualization.nix b/hosts/generic/virtualization.nix
index 7655a15..1739d00 100644
--- a/hosts/generic/virtualization.nix
+++ b/hosts/generic/virtualization.nix
@@ -24,5 +24,5 @@
         };
         };
     };
-    boot.extraModprobeConfig = "options kvm_amd nested=1";
+   
 }