dell.nix

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

{
  imports =
    [
      (modulesPath + "/installer/scan/not-detected.nix")
      ./base.nix
      ./modules/encrypted-dns.nix
      ./modules/steam.nix
    ];

  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "kvm-intel" ];
  boot.extraModulePackages = [ ];

  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "dell-3551";

  fileSystems."/" =
    {
      device = "/dev/disk/by-uuid/6b3805a2-8df8-4407-aacc-dd32784075a8";
      fsType = "ext4";
    };

  boot.initrd.luks.devices."luks-1b1be12b-e63c-4077-aae8-f90352cd9d68".device = "/dev/disk/by-uuid/1b1be12b-e63c-4077-aae8-f90352cd9d68";

  fileSystems."/boot" =
    {
      device = "/dev/disk/by-uuid/950B-E02A";
      fsType = "vfat";
    };

  swapDevices = [{
    device = "/var/lib/swapfile";
    size = 16 * 1024;
  }];

  networking.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;

  # Load nvidia driver for Xorg and Wayland
  services.xserver.videoDrivers = [ "nvidia" ];

  hardware.nvidia = {

    # Modesetting is required.
    modesetting.enable = true;

    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
    powerManagement.enable = false;
    # Fine-grained power management. Turns off GPU when not in use.
    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
    powerManagement.finegrained = false;

    # Use the NVidia open source kernel module (not to be confused with the
    # independent third-party "nouveau" open source driver).
    # Support is limited to the Turing and later architectures. Full list of 
    # supported GPUs is at: 
    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus 
    # Only available from driver 515.43.04+
    # Currently alpha-quality/buggy, so false is currently the recommended setting.
    open = false;

    # Enable the Nvidia settings menu,
    # accessible via `nvidia-settings`.
    nvidiaSettings = true;

    prime = {
      intelBusId = "PCI:0:2:0";
      nvidiaBusId = "PCI:1:0:0";
    };
  };

  # Enable options in Gnome shell to launch an app on the discrete graphics card
  services.switcherooControl.enable = true;
}