boot.kernelModules = [ "kvm-amd" ];

  boot.kernelModules = [ "kvm-amd" "vfio-pci" ];

  boot.kernelParams = [
      "vfio-pci.ids=10de:1380,10de:0fbc"
      "video=vesa:off"
      "vga=normal"
  ];
  systemd.services.libvirtd.preStart = ''
    mkdir -p /var/lib/libvirt/hooks
    chmod 755 /var/lib/libvirt/hooks
    cat > /var/lib/libvirt/hooks/qemu <<EOF
    #!/bin/sh
    vm="\$1"
    cmd="\$2"
    if [ "\$vm" = "win10" ]; then
      if [ "\$cmd" = "started" ]; then
        systemctl set-property --runtime -- system.slice AllowedCPUs=6,7,8,9,10,11,18,19,20,21,22,23
        systemctl set-property --runtime -- user.slice AllowedCPUs=6,7,8,9,10,11,18,19,20,21,22,23
        systemctl set-property --runtime -- init.scope AllowedCPUs=6,7,8,9,10,11,18,19,20,21,22,23
      elif [ "\$cmd" = "release" ]; then
        systemctl set-property --runtime -- system.slice AllowedCPUs=0-23
        systemctl set-property --runtime -- user.slice AllowedCPUs=0-23
        systemctl set-property --runtime -- init.scope AllowedCPUs=0-23
      fi
    fi
    EOF
    chmod +x /var/lib/libvirt/hooks/qemu
  '';