update: viridian+fuchsia configuration

nixos/fuchsia/configuration.nix

@@ -1,52 +1,20 @@
-{pkgs, ...}: {
+{...}: {
   imports = [
+    # Global configuartion for all our systems
     ../common/global
-
+    # Our user configuration and optional user units
     ../common/users/sajenim
     ../common/users/sajenim/samba
     ../common/users/sajenim/steam
-
+    # Optional components
     ../common/optional/key.nix
-
+    # Programs and services
     ./programs
     ./services
+    # Setup our hardware
     ./hardware-configuration.nix
   ];
 
-  # Boot configuration
-  boot = {
-    kernelPackages = pkgs.linuxPackages_latest;
-    kernelParams = [
-      # Enable amdgpu driver sysfs API that allows fine grain control of GPU
-      "amdgpu.ppfeaturemask=0xffffffff"
-    ];
-    kernelModules = ["i2c-dev" "i2c-piix4"];
-    initrd.kernelModules = ["amdgpu"];
-  };
-
-  # Hardware configuration
-  hardware = {
-    bluetooth = {
-      enable = true;
-      powerOnBoot = true;
-    };
-    pulseaudio = {
-      enable = true;
-      support32Bit = true;
-      extraConfig = "load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1";
-    };
-    opengl = {
-      enable = true;
-      # Vulkan
-      driSupport = true;
-      driSupport32Bit = true;
-      # OpenCL
-      extraPackages = with pkgs; [
-        rocmPackages.clr.icd
-      ];
-    };
-  };
-
   # Networking configuration
   networking = {
     hostName = "fuchsia";

nixos/fuchsia/hardware-configuration.nix

@@ -1,26 +1,68 @@
 {
   config,
   lib,
+  pkgs,
   ...
 }: {
   imports = [
+    # Our ephemeral system. Wipe root on reboot.
     ../common/optional/ephemeral-btrfs.nix
   ];
 
+  # Boot configuration
   boot = {
+    # Initial ramdisk
     initrd = {
+      # The modules listed here are available in the initrd, but are only loaded on demand.
       availableKernelModules = ["nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod"];
-      kernelModules = ["kvm-amd"];
+      # List of modules that are always loaded by the initrd.
+      kernelModules = ["kvm-amd" "amdgpu"];
     };
+
+    # Linux kernel used by NixOS.
+    kernelPackages = pkgs.linuxPackages_latest;
+    # Parameters added to the kernel command line.
+    kernelParams = [
+      # Enable amdgpu driver sysfs API that allows fine grain control of GPU
+      "amdgpu.ppfeaturemask=0xffffffff"
+    ];
+    # The set of kernel modules to be loaded in the second stage of the boot process.
+    kernelModules = ["i2c-dev" "i2c-piix4"];
+
+    # Our boot loader configuration
     loader = {
-      systemd-boot.enable = true;
       efi = {
-        canTouchEfiVariables = true;
         efiSysMountPoint = "/boot";
+        canTouchEfiVariables = true;
       };
+      systemd-boot.enable = true;
     };
   };
 
+  # Hardware configuration
+  hardware = {
+    bluetooth = {
+      enable = true;
+      powerOnBoot = true;
+    };
+    pulseaudio = {
+      enable = true;
+      support32Bit = true;
+      extraConfig = "load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1";
+    };
+    opengl = {
+      enable = true;
+      # Vulkan
+      driSupport = true;
+      driSupport32Bit = true;
+      # OpenCL
+      extraPackages = with pkgs; [
+        rocmPackages.clr.icd
+      ];
+    };
+  };
+
+  # Setup our filesystems
   fileSystems."/boot" = {
     device = "/dev/disk/by-label/ESP";
     fsType = "vfat";

nixos/viridian/configuration.nix

@@ -1,29 +1,19 @@
-{pkgs, ...}: {
+{...}: {
   imports = [
+    # Global configuration for all our systems
     ../common/global
+    # Our user configuration and optional user units
     ../common/users/sajenim
     ../common/users/spectre
-
+    # Programs and services
+    ./programs
     ./services
     ./containers
+    # Setup our hardware
     ./hardware-configuration.nix
   ];
 
-  boot.kernel.sysctl = {
+  # Networking configuration
-    "net.ipv4.ip_unprivileged_port_start" = 0;
-  };
-
-  hardware.opengl = {
-    enable = true;
-    extraPackages = with pkgs; [
-      intel-media-driver
-      vaapiIntel
-      vaapiVdpau
-      libvdpau-va-gl
-      intel-compute-runtime
-    ];
-  };
-
   networking = {
     hostName = "viridian";
     networkmanager.enable = true;
@@ -42,16 +32,12 @@
         80 # traefik     (HTTP)
         443 # traefik     (HTTPS)
         32372 # qbittorrent
-        51820 # Wireguard
         6600 # mpd
       ];
     };
   };
 
-  programs = {
+  # Use docker instead of podman for our containers.
-    zsh.enable = true;
-  };
-
   virtualisation.docker = {
     enable = true;
     liveRestore = false;

nixos/viridian/hardware-configuration.nix

@@ -1,28 +1,54 @@
 {
   config,
   lib,
+  pkgs,
   ...
 }: let
   hostname = config.networking.hostName;
 in {
   imports = [
+    # Our ephemeral system. Wipe root on reboot.
     ../common/optional/ephemeral-btrfs.nix
   ];
 
+  # Boot configuration
   boot = {
+    # Initial ramdisk
     initrd = {
+      # The modules listed here are available in the initrd, but are only loaded on demand.
       availableKernelModules = ["xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod"];
+      # List of modules that are always loaded by the initrd.
       kernelModules = ["kvm-intel"];
     };
+
+    # Runtime parameters of the Linux kernel
+    kernel.sysctl = {
+      "net.ipv4.ip_unprivileged_port_start" = 0;
+    };
+
+    # Our boot loader configuration
     loader = {
-      systemd-boot.enable = true;
       efi = {
-        canTouchEfiVariables = true;
         efiSysMountPoint = "/boot";
+        canTouchEfiVariables = true;
       };
+      systemd-boot.enable = true;
     };
   };
 
+  # Hardware configuration
+  hardware.opengl = {
+    enable = true;
+    extraPackages = with pkgs; [
+      intel-media-driver
+      vaapiIntel
+      vaapiVdpau
+      libvdpau-va-gl
+      intel-compute-runtime
+    ];
+  };
+
+  # Setup our filesystems
   fileSystems."/boot" = {
     device = "/dev/disk/by-label/ESP";
     fsType = "vfat";

nixos/viridian/programs/default.nix

@@ -0,0 +1,5 @@
+{...}: {
+  programs = {
+    zsh.enable = true;
+  };
+}