Add config for c3.

hosts/c3/default.nix

@@ -0,0 +1,10 @@
+{ pkgs, inputs, ... }:
+{
+  imports = [ 
+    ../common/global
+    ../common/compute-node.nix
+    ./hardware.nix
+  ];
+
+  networking.hostName = "c3";
+}

hosts/c3/hardware.nix

@@ -0,0 +1,59 @@
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/2b96989f-cec5-40bd-afa8-e5ca0b8f30e9";
+      fsType = "btrfs";
+      options = [ "subvol=root" ];
+    };
+
+  boot.initrd.luks.devices."luksroot".device = "/dev/disk/by-uuid/c4a43a18-b480-43ed-87f2-f78a50f03976";
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/2b96989f-cec5-40bd-afa8-e5ca0b8f30e9";
+      fsType = "btrfs";
+      options = [ "subvol=nix" ];
+    };
+
+  fileSystems."/persist" =
+    { device = "/dev/disk/by-uuid/2b96989f-cec5-40bd-afa8-e5ca0b8f30e9";
+      fsType = "btrfs";
+      options = [ "subvol=persist" ];
+    };
+
+  fileSystems."/var/log" =
+    { device = "/dev/disk/by-uuid/2b96989f-cec5-40bd-afa8-e5ca0b8f30e9";
+      fsType = "btrfs";
+      options = [ "subvol=log" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/3051-C478";
+      fsType = "vfat";
+    };
+
+  swapDevices = pkgs.lib.mkForce [ {
+    device = "/dev/disk/by-id/nvme-eui.000000000000001000080d020035fefd-part2";
+    randomEncryption.enable = true;
+  }];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}