{modulesPath, ...}: {
  imports = [(modulesPath + "/profiles/qemu-guest.nix")];
  boot.loader.grub.device = "/dev/sda";
  boot.initrd.availableKernelModules = ["ata_piix" "uhci_hcd" "xen_blkfront"];
  boot.initrd.kernelModules = ["nvme"];
  fileSystems."/" = {
    device = "/dev/sda1";
    fsType = "ext4";
  };
}