initial discovery configuration

hardware/x220-discovery.nix

@@ -0,0 +1,46 @@
+# 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, ... }:
+
+let
+  unstable = import <nixos-unstable> { config.allowUnfree = true; };
+in {
+  imports =
+    [ <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "tank/root/nixos";
+      fsType = "zfs";
+    };
+
+  fileSystems."/home" =
+    { device = "tank/root/home";
+      fsType = "zfs";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/1339-E59C";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+  nix.maxJobs = lib.mkDefault 4;
+  powerManagement.cpuFreqGovernor = lib.mkDefault "performance";
+
+  # custom
+  boot.kernelPackages = unstable.linuxPackages_latest;
+  boot.loader.systemd-boot.enable = true;
+  networking.hostId = "ef3a5d57";
+  networking.hostName = "discovery";
+  powerManagement.powertop.enable = true;
+  services.tlp.enable = true;
+
+}