{ config, lib, pkgs, ... }: let cfg = config.programs.sedutil; in { options.programs.sedutil.enable = lib.mkEnableOption "sedutil, to manage self encrypting drives that conform to the Trusted Computing Group OPAL 2.0 SSC specification"; config = lib.mkIf cfg.enable { boot.kernelParams = [ "libata.allow_tpm=1" ]; environment.systemPackages = with pkgs; [ sedutil ]; }; }