{
  lib,
  modulesPath,
  ...
}: {
  imports = [(modulesPath + "/profiles/qemu-guest.nix")];
  boot.loader.grub.device = "/dev/nvme0n1";
  boot.initrd.availableKernelModules = ["ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi"];
  boot.initrd.kernelModules = ["nvme"];
  fileSystems."/" = {
    device = "/dev/mapper/vg-root";
    fsType = "btrfs";
  };
  fileSystems."/var" = {
    device = "/dev/mapper/vg-var";
    fsType = "btrfs";
  };
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}