t14_legacy_config/base/hardware-configuration-custom.nix

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

  subvol = subvol: {
    device = "/dev/disk/by-uuid/645fdba0-5c03-4285-926b-facded1ee259";
    fsType = "btrfs";  
    options = [ "subvol=${subvol}" "compress=zstd" "noatime" "ssd" ];
  };

in {

  imports =
    [
      (modulesPath + "/installer/scan/not-detected.nix")
    ];

  boot.initrd = {
    availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
    luks.devices."toplevel" = {
      device = "/dev/disk/by-uuid/58277baa-90d4-4a5e-a658-1b918b89130a";
      preLVM = false;
    };
  };

  fileSystems = {
    "/" = subvol "root";
    "/toplevel" = subvol "/";
    "/boot" = {
      device = "/dev/disk/by-uuid/B007-B007";
      fsType = "vfat";
      options = ["umask=027"];
    };
  };

  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;

}