Machines: Add Steam Deck

flake.nix

@@ -100,6 +100,23 @@ outputs = {nixpkgs, nixpkgs-unstable, agenix, home-manager, home-manager-unstabl
 			];
 		};
 
+		SteamDeck = nixpkgs-unstable.lib.nixosSystem {
+			system = "x86_64-linux";
+			specialArgs = { systemPkgs = inputs.nixpkgs-unstable; };
+			modules = [
+				# Needed for nix-index
+				{ nix.nixPath = [ "nixpkgs=${nixpkgs}" ]; }
+				agenix.nixosModules.default
+				home-manager-unstable.nixosModule
+				nix-index-db-unstable.nixosModules.nix-index
+				./roles/common
+				./roles/desktop
+				./roles/kde
+				./roles/gaming
+				./machines/SteamDeck
+			];
+		};
+		
 		Everest = nixpkgs.lib.nixosSystem {
 			system = "x86_64-linux";
 			specialArgs = { systemPkgs = inputs.nixpkgs; };

machines/SteamDeck/configuration.nix

@@ -0,0 +1,100 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running `nixos-help`).
+
+{ config, pkgs, ... }:
+
+{
+	# Use grub boot loader
+	boot.loader = {
+		systemd-boot.enable = false;
+		grub = {
+			enable = true;
+			device = "nodev";
+			efiSupport = true;
+			# No other OS on here :P
+			useOSProber = false;
+		};
+		efi.efiSysMountPoint = config.fileSystems."efi_boot_partition".mountPoint;
+	};
+	boot.loader.efi.canTouchEfiVariables = true;
+
+	boot.kernelPackages = pkgs.linuxKernel.packages.linux_xanmod_latest;
+
+	networking.hostName = "SteamDeck"; # Define your hostname.
+	networking.networkmanager.enable = true; # Enable networking
+
+	# Allow unfree packages
+	nixpkgs.config.allowUnfree = true;
+
+	nix.settings.auto-optimise-store = true;
+
+	# Configure network proxy if necessary
+	# networking.proxy.default = "http://user:password@proxy:port/";
+	# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+	# Enable the X11 windowing system.
+	services.xserver.enable = true;
+
+	# Enable the pipewire sound server
+	services.pipewire = {
+		enable = true;
+		pulse.enable = true;
+	};
+
+	# Configure keymap in X11
+	# services.xserver.layout = "us";
+	# services.xserver.xkbOptions = "eurosign:e,caps:escape";
+
+	# Enable CUPS to print documents.
+	# services.printing.enable = true;
+
+	# Enable sound.
+	# sound.enable = true;
+	# hardware.pulseaudio.enable = true;
+
+	# Enable touchpad support (enabled default in most desktopManager).
+	# services.xserver.libinput.enable = true;
+
+	# Define a user account. Don't forget to set a password with ‘passwd’.
+	users.users.toast = {
+		isNormalUser = true;
+		extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+		packages = with pkgs; [
+			tree
+		];
+	};
+
+	# List packages installed in system profile. To search, run:
+	# $ nix search wget
+	# environment.systemPackages = with pkgs; [
+	#   vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+	#   wget
+	# ];
+
+	# Some programs need SUID wrappers, can be configured further or are
+	# started in user sessions.
+	# programs.mtr.enable = true;
+	# programs.gnupg.agent = {
+	#   enable = true;
+	#   enableSSHSupport = true;
+	# };
+
+	# List services that you want to enable:
+
+	# Enable the OpenSSH daemon.
+	# services.openssh.enable = true;
+
+	# Open ports in the firewall.
+	# networking.firewall.allowedTCPPorts = [ ... ];
+	# networking.firewall.allowedUDPPorts = [ ... ];
+	# Or disable the firewall altogether.
+	# networking.firewall.enable = false;
+
+	# Copy the NixOS configuration file and link it from the resulting system
+	# (/run/current-system/configuration.nix). This is useful in case you
+	# accidentally delete configuration.nix.
+	# system.copySystemConfiguration = true;
+
+}
+

machines/SteamDeck/default.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+	imports = [
+		./configuration.nix
+		./hardware-configuration.nix
+	];
+}

machines/SteamDeck/hardware-configuration.nix

@@ -0,0 +1,71 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+let
+	# \x20 is the escape code for a space
+	ssdLabel = ''Deck\\x20SSD'';
+in
+
+{
+	imports =
+		[ (modulesPath + "/installer/scan/not-detected.nix")
+		];
+
+	# Enable support for the Xbox One wireless dongle
+	hardware.xone.enable = true;
+
+	boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usb_storage" "usbhid" "sd_mod" "sdhci_pci" ];
+	boot.initrd.kernelModules = [ ];
+	boot.kernelModules = [ "kvm-amd" ];
+	boot.extraModulePackages = [ ];
+
+	fileSystems = {
+		"efi_boot_partition" = {
+			mountPoint = "/boot/efi";
+			label = "deckboot";
+			fsType = "vfat";
+		};
+		/*
+		Mount the root subvolume of the SSD
+		This is helpful for getting things from
+		my old Arch install, as well as for running btdu
+		*/
+		"btrfs_root_subvolume" = {
+			mountPoint = "/mnt/ssd";
+			label = ssdLabel;
+			fsType = "btrfs";
+			options = [ "subvolid=5" "ro" ];
+		};
+		"btrfs_root" = {
+			mountPoint = "/";
+			label = ssdLabel;
+			fsType = "btrfs";
+			options = [ "subvol=@" "compress=zstd" ];
+		};
+		"btrfs_boot" = {
+			mountPoint = "/boot";
+			label = ssdLabel;
+			fsType = "btrfs";
+			options = [ "subvol=@boot" "compress=zstd" ];
+		};
+		"btrfs_home" = {
+			mountPoint = "/home";
+			label = ssdLabel;
+			fsType = "btrfs";
+			options = [ "subvol=@home" "compress=zstd" ];
+		};
+		"btrfs_nix" = {
+			mountPoint = "/nix";
+			label = ssdLabel;
+			fsType = "btrfs";
+			options = [ "subvol=@nix" "compress=zstd" ];
+		};
+	};
+
+	swapDevices = [ ];
+
+	nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+	hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}