dotfiles/nixos/hardware/deck.nix

# SPDX-FileCopyrightText: 2022 Richard Brežák <richard@brezak.sk>
#
# SPDX-License-Identifier: LGPL-3.0-or-later
{
  config,
  pkgs,
  lib,
  secret,
  ...
}:
with lib; let
  cfg = config.magic_rb.hardware.deck;
  kernel = pkgs.linuxKernel.packages.linux_xanmod_latest;
in {
  options.magic_rb.hardware.deck = mkEnableOption "Enable deck.";

  config = mkIf cfg {
    boot = {
      supportedFilesystems = ["zfs"];
      zfs.enableUnstable = true;

      initrd.availableKernelModules = [
        "xhci_pci"
        "ahci"
        "usbhid"
        "usb_storage"
        "sd_mod"
        "nvme"
      ];
      initrd.kernelModules = ["dm-snapshot"];
      kernelModules = ["i2c-dev" "kvm-amd"];
      kernelParams = [
        "zfs.zfs_arc_max=8589934592"
      ];
      extraModulePackages = [];
      kernelPackages = kernel;ws
    };

    hardware.firmware = singleton pkgs.firmwareLinuxNonfree;

    # powerManagement.cpuFreqGovernor = lib.mkDefault "performance";

    fileSystems = {
      "/" = {
        device = "deck-zpool/local/root";
        fsType = "zfs";
      };

      "/nix" = {
        device = "deck-zpool/local/nix";
        fsType = "zfs";
      };

      "/home" = {
        device = "deck-zpool/safe/home";
        fsType = "zfs";
      };

      "/boot" = {
        device = "/dev/disk/by-uuid/5e590840-9e62-4231-8ac5-e6a27325254d";
        fsType = "ext4";
      };

      "/boot/EFI" = {
        device = "/dev/disk/by-uuid/D381-9D12";
        fsType = "vfat";
      };
    };

    swapDevices = [];
  };
}