manual declare hw conf for sparky

hosts/sparky/default.nix

@@ -1,20 +1,11 @@
 {
-  inputs,
-  config,
   lib,
   configVars,
   outputs,
+  pkgs,
   ...
 }: let
-  # Disko setup
+  btrfsMountDevice = "/dev/root_vg/root";
-  fsType = "btrfs"; # one of ext4 or btrfs. Use btrfs if using impermanence
-  dev = "/dev/sda"; # depends on target hardware
-  encrypted = false; # currrently only applies to btrfs
-  btrfsMountDevice =
-    if encrypted
-    then "/dev/mapper/crypted"
-    else "/dev/root_vg/root";
-  impermanence = true;
   merlinIp = configVars.networking.addresses.merlin.ip;
   piholeIp = configVars.networking.addresses.pihole.ip;
   gatewayIp = configVars.networking.addresses.gateway.ip;
@@ -22,15 +13,7 @@ in {
   imports = [
     # Create users for this host
     ../common/users/media
-
+    ./hardware-configuration.nix
-    # Disk configuration
-    inputs.disko.nixosModules.disko
-    (import ../common/disks {
-      device = dev;
-      impermanence = impermanence;
-      fsType = fsType;
-      encrypted = encrypted;
-    })
 
     # Impermanence
     (import ../common/disks/btrfs/impermanence.nix {
@@ -51,15 +34,6 @@ in {
     outputs.nixosModules.nixosAutoUpgrade
   ];
 
-  boot = {
-    loader = {
-      systemd-boot.enable = true;
-      efi.canTouchEfiVariables = true;
-      timeout = 3;
-    };
-  };
-  boot.kernelParams = ["i915.enable_psr=0"];
-
   networking = {
     hostName = "sparky";
     networkmanager.enable = true;
@@ -67,14 +41,6 @@ in {
     nameservers = ["${piholeIp}" "${gatewayIp}" "8.8.8.8"];
   };
 
-  nixpkgs.config.allowUnfreePredicate = pkg:
-    builtins.elem (lib.getName pkg) [
-      # Add additional package names here
-      "nvidia-x11"
-      "nvidia-settings"
-      "nvidia-persistenced"
-    ];
-
   services.displayManager.defaultSession = "cinnamon";
   services.libinput.enable = true;
 
@@ -86,11 +52,12 @@ in {
     pushUpdates = false;
     configDir = "/etc/nixos";
     onCalendar = "*-*-* 06:00:00";
+    user = "root";
   };
 
   services.xserver = {
     enable = true;
-    videoDrivers = ["nvidia"];
+    videoDrivers = ["modesetting"];
     displayManager.lightdm.enable = true;
     exportConfiguration = true;
     deviceSection = ''
@@ -100,19 +67,4 @@ in {
     };
   };
 
-  # Enable OpenGL
-  hardware.opengl = {
-    enable = true;
-    driSupport32Bit = true;
-  };
-
-  # Load nvidia driver
-  hardware.nvidia = {
-    # https://nixos.wiki/wiki/Nvidia
-    modesetting.enable = true;
-    powerManagement.enable = false;
-    open = false;
-    nvidiaSettings = true;
-    package = config.boot.kernelPackages.nvidiaPackages.stable;
-  };
 }

hosts/sparky/hardware-configuration.nix

@@ -1,24 +1,76 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+{ config, lib, pkgs, ... }:
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
 
 {
-  imports =
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
   boot.initrd.kernelModules = [ "dm-snapshot" ];
-  boot.kernelModules = [ "kvm-intel" ];
+  boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  fileSystems."/" =
-  # (the default) this is the recommended approach. When using systemd-networkd it's
+    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
-  # still possible to use this option, but it's recommended to use it in conjunction
+      fsType = "btrfs";
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+      options = [ "subvol=root" ];
-  networking.useDHCP = lib.mkDefault true;
+    };
-  # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
+
+  fileSystems."/persist" =
+    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
+      fsType = "btrfs";
+      options = [ "subvol=persist" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
+      fsType = "btrfs";
+      options = [ "subvol=nix" ];
+    };
+
+  fileSystems."/.swapvol" =
+    { device = "/dev/disk/by-uuid/7e660e53-6c56-4679-ab25-3a2b1eacaebd";
+      fsType = "btrfs";
+      options = [ "subvol=swap" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/3DC4-7CCE";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices = [
+    {
+      device = "/.swapvol/swapfile";
+      size = 2 * 1024;
+    }
+  ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  # Add hardware support for intel gpus as specified here: https://nixos.wiki/wiki/Jellyfin
+  nixpkgs.config.packageOverrides = pkgs: {
+    vaapiIntel = pkgs.vaapiIntel.override {enableHybridCodec = true;};
+  };
+
+  hardware.graphics = {
+    enable = true;
+    extraPackages = with pkgs; [
+      intel-media-driver
+      intel-vaapi-driver
+      vaapiVdpau
+      libvdpau-va-gl
+      intel-compute-runtime
+      # only available on unstable
+      unstable.vpl-gpu-rt
+      intel-media-sdk
+    ];
+  };
+
+  boot = {
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+      timeout = 3;
+    };
+  };
+  boot.kernelParams = ["i915.enable_psr=0"];
 }