feature(graphics): add amdgpu to the initrd

Reviewed-on: #24

flake.nix

@@ -53,6 +53,23 @@
           }
         ];
       };
+
+      argon = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        specialArgs = { inherit inputs; };
+        modules = [
+          ./hosts/argon/hardware-configuration.nix
+          ./hosts/argon/configuration.nix
+          home-manager.nixosModules.home-manager
+          {
+            home-manager.extraSpecialArgs = { inherit inputs; };
+            home-manager.users.aaron.imports = [
+              nixvim.homeModules.nixvim
+              ./users/aaron/home.nix
+            ];
+          }
+        ];
+      };
     };
   };
 }

hosts/argon/configuration.nix

@@ -0,0 +1,31 @@
+{ config, pkgs, inputs, ... }:
+
+{
+  imports = [
+    ../../modules/nixos/audio.nix
+    ../../modules/nixos/bootloader.nix
+    ../../modules/nixos/certificates.nix
+    ../../modules/nixos/drives.nix
+    ../../modules/nixos/gnupg.nix
+    ../../modules/nixos/graphics.nix
+    ../../modules/nixos/locales.nix
+    ../../modules/nixos/networking.nix
+    ../../modules/nixos/niri.nix
+    ../../modules/nixos/noctalia.nix
+    ../../modules/nixos/openssh.nix
+    ../../modules/nixos/packages.nix
+    ../../modules/nixos/protonvpn.nix
+    ../../modules/nixos/sddm.nix
+    ../../modules/nixos/services.nix
+    ../../modules/nixos/settings.nix
+    ../../modules/nixos/steam.nix
+    ../../modules/nixos/users.nix
+  ];
+
+  # set hostname
+  networking.hostName = "argon";
+
+  # install state version
+  system.stateVersion = "25.11"; # Don't change
+}
+

hosts/argon/hardware-configuration.nix

@@ -0,0 +1,39 @@
+# 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, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ "dm-crypt dm-mod" ];
+  boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-label/nixcrypt";
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/mapper/lvmroot-root";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/AC1C-20EB";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/mapper/lvmroot-home";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/mapper/lvmroot-swap"; }
+    ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/neon/configuration.nix

@@ -20,6 +20,9 @@
     ../../modules/nixos/users.nix
   ];
 
+  # set hostname
+  networking.hostName = "neon";
+
   # install state version
   system.stateVersion = "25.11"; # Don't change
 }

modules/home-manager/ghostty.nix

@@ -7,9 +7,9 @@
       clipboard-paste-protection = false;
       clipboard-read = "allow";
       font-family = "0xProto Nerd Font Mono";
-      font-size = 9;
+      font-size = 12;
       gtk-titlebar = false;
-      scrollback-limit = 10000;
+      scrollback-limit = 100000;
       shell-integration = "zsh";
       theme = "noctalia"; # generated by noctalia-shell
       window-decoration = "auto";

modules/home-manager/shell.nix

@@ -8,7 +8,7 @@
     oh-my-zsh = {
       enable = true;
       theme = "agnoster";
-      #plugins = [ "git" "ssh-agent" ];
+      plugins = [ "git" "ssh-agent" "gpg-agent" ];
     };
   };
 

modules/nixos/drives.nix

@@ -0,0 +1,45 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # decrypt data drives with keyfiles for argon
+  boot.initrd.luks.devices = {
+    "data1" = {
+      device = "/dev/disk/by-uuid/dfae62cc-bad1-4879-bf9a-461bde833625";
+      keyFile = "/etc/nixos/keys/data1.key";
+    };
+    "data2" = {
+      device = "/dev/disk/by-uuid/8312edae-9247-481b-a313-52a7f848f027";
+      keyFile = "/etc/nixos/keys/data2.key";
+    };
+    "nvmecache" = {
+      device = "/dev/disk/by-uuid/2352250e-4ebe-4f9a-bf66-0d4aaa961bd8";
+      keyFile = "/etc/nixos/keys/nvmecache.key";
+    };
+  };
+
+  # copy keyfiles into initrd to make them available during early boot
+  boot.initrd.secrets = {
+    "/etc/nixos/keys/data1.key" = "/etc/nixos/keys/data1.key";
+    "/etc/nixos/keys/data2.key" = "/etc/nixos/keys/data2.key";
+    "/etc/nixos/keys/nvmecache.key" = "/etc/nixos/keys/nvmecache.key";
+  };
+
+  # mount decrypted filesystems
+  fileSystems."/mnt/data1" = {
+    device = "/dev/mapper/data1";
+    fsType = "ext4";
+    options = [ "nofail" ];
+  };
+
+  fileSystems."/mnt/data2" = {
+    device = "/dev/mapper/data2";
+    fsType = "ext4";
+    options = [ "nofail" ];
+  };
+
+  fileSystems."/mnt/nvmecache" = {
+    device = "/dev/mapper/nvmecache";
+    fsType = "ext4";
+    options = [ "nofail" ];
+  };
+}

modules/nixos/graphics.nix

@@ -0,0 +1,14 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # enable GPU acceleration (mesa, vulkan, egl)
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+    extraPackages = with pkgs; [
+    ];
+  };
+  
+  # sets boot.initrd.kernelModules = amdgpu
+  hardware.amdgpu.initrd.enable = true;
+}

modules/nixos/networking.nix

@@ -1,8 +1,8 @@
 { config, lib, pkgs, ... }:
 
 {
-  # set hostnname
+  ## set hostnname
-  networking.hostName = "neon";
+  #networking.hostName = "neon";
 
   # user networkmanager
   networking.networkmanager.enable = true;

modules/nixos/noctalia.nix

@@ -8,5 +8,6 @@
     adwaita-qt6
     brightnessctl
     playerctl
+    quickshell
   ];
 }

modules/nixos/protonvpn.nix

@@ -0,0 +1,9 @@
+{ config, lib, pkgs, ... }:
+
+{
+  networking.firewall.checkReversePath = false;
+  environment.systemPackages = with pkgs; [
+    wireguard-tools
+    protonvpn-gui
+  ];
+}

modules/nixos/users.nix

@@ -14,10 +14,5 @@
     enable = true;
     enableCompletion = true;
     autosuggestions.enable = true;
-    ohMyZsh = {
-      enable = true;
-      plugins = [ "git" "sudo" ];
-      theme = "gentoo";
-    };
   };
 }