path: root/hosts/luna/hardware.nix

{ config, lib, pkgs, modulesPath, ... }:
let
  powerMode = "schedutil";
in
{
  imports = [ ];

  boot = {
    initrd = {
      availableKernelModules = [ "xhci_pci" "usb_storage" "sd_mod" "sdhci_acpi" "aesni_intel" "cryptd" ];
      kernelModules = [ "i915" ];
    };
    kernelModules = [ "kvm_intel" ];
    extraModulePackages = [ ];
    kernelParams = [ "net.ifnames=0" "biosdevname=0" "iomem=relaxed" "mitigations=off" ];
  };

  fileSystems."/" = {
    device = "none";
    fsType = "tmpfs";
  };

  boot.initrd.luks.devices."encrypted_boot" = {
    device = "/dev/disk/by-uuid/4f5ba100-5c69-49ce-b0cf-2f219a5e9e51";
    preLVM = true;
  };

  fileSystems."/boot" = {
    device = "/dev/mapper/encrypted_boot";
    fsType = "vfat";
  };

  fileSystems."/boot/efi" = {
    device = "/dev/disk/by-uuid/BD51-1431";
    fsType = "vfat";
  };

  boot.initrd.luks.devices."encrypted_nix".device = "/dev/disk/by-uuid/596e43d3-ccda-4f06-bce9-58d6a8c0dd79";

  fileSystems."/nix" = {
    device = "/dev/mapper/encrypted_nix";
    fsType = "btrfs";
    neededForBoot = true;
    options = [ "subvol=nix" "compress-force=zstd" "noatime" ];
  };

  boot.initrd.luks.devices."encrypted_home_and_persist".device = "/dev/disk/by-uuid/47a8ddde-1237-4a0f-84c4-f17fbd22ea3f";

  fileSystems."/persist" = {
    device = "/dev/mapper/encrypted_home_and_persist";
    fsType = "btrfs";
    neededForBoot = true;
    options = [ "subvol=persist" "compress-force=zstd" "noatime" ];
  };

  fileSystems."/home" = {
    device = "/dev/mapper/encrypted_home_and_persist";
    fsType = "btrfs";
    options = [ "subvol=home" "compress-force=zstd" ];
  };

  swapDevices = [ ];

  powerManagement.cpuFreqGovernor = powerMode;

  services = {
    xserver = {
      videoDrivers = [ "intel" ];

      # Enable touchpad support (enabled default in most desktopManager).
      synaptics = {
        enable = true;
        palmDetect = true;
        twoFingerScroll = true;
        minSpeed = "1.0";
        maxSpeed = "1.12";
        accelFactor = "0.01";
      };
    };
    fstrim.enable = true;
    tlp.enable = true;
  };

  hardware = {
    opengl = {
      enable = true;
      driSupport = true;
      extraPackages = with pkgs; [
        intel-media-driver # LIBVA_DRIVER_NAME=iHD
        vaapiIntel # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
        vaapiVdpau
        libvdpau-va-gl
      ];
    };
  };

  services.btrfs.autoScrub.enable = true;

  zramSwap.enable = true;
}