{ config, lib, pkgs, ... }: {

  environment.systemPackages = with pkgs; [ virt-manager ];
  
  virtualisation.libvirtd = {
    enable = true;
    qemu.ovmf = {
      enable = true;
      packages = [ pkgs.OVMFFull ];
    };
    qemu.swtpm.enable = true;
    qemu.runAsRoot = false;
    onBoot = "ignore";
    onShutdown = "shutdown";
    qemu.vhostUserPackages = with pkgs; [ virtiofsd ];   
    hooks.qemu."qemu-hooks" = pkgs.writeShellScript "qemu-hooks" ''
      export PATH="${lib.makeBinPath [ 
          pkgs.bash 
          pkgs.xorg.xset 
          pkgs.coreutils
          pkgs.util-linux
          pkgs.i3
          pkgs.xorg.xrandr
          pkgs.ddcutil
        ]}:''$PATH"
      ${builtins.readFile ../../dotfiles/qemu/qemu-hooks }
    '';
  };

  virtualisation.spiceUSBRedirection.enable = true;
  programs.virt-manager.enable = true;
  users.groups.libvirtd.members = [ "${config.user}" ];
  
  boot.kernelPackages = pkgs.linuxPackages_latest;
  boot.kernelParams = [ "amd_iommu=on" "pcie_aspm=off" ];
  boot.kernelModules = [ "kvm-amd" ];

  boot.initrd.availableKernelModules = [ "amdgpu" "vfio-pci" ];
  boot.initrd.preDeviceCommands = ''
    DEVS="0000:06:00.0 0000:06:00.1"
    for DEV in $DEVS; do
      echo "vfio-pci" > /sys/bus/pci/devices/$DEV/driver_override
    done
    modprobe -i vfio-pci
  '';
}