added iommu support for Quark

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 = {

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";

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";

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";

hosts/generic/virtualization.nix

@@ -24,5 +24,5 @@
         };
         };
     };
-    boot.extraModprobeConfig = "options kvm_amd nested=1";
+   
 }