Initial commit

modules/n/hardware.nix

@@ -0,0 +1,41 @@
+{ lib, config, ... }:
+with lib;
+let
+  cfg = config.n.host.hardware;
+in {
+  options.n.host.hardware = {
+    cpu = mkOption { type = types.str; default = ""; };
+  };
+  config = mkMerge [
+    (mkIf (cfg.cpu == "amd")
+      {
+        boot.kernelModules = [ "kvm-amd" ];
+        hardware.cpu.amd.updateMicrocode = true;
+      }
+    )
+    (mkIf (cfg.cpu == "intel")
+      {
+        hardware.cpu.intel.updateMicrocode = true;
+      }
+    )
+    (mkIf (cfg.cpu == "virt")
+      {
+        boot.initrd.availableKernelModules = [
+          "virtio_net"
+          "virtio_pci"
+          "virtio_mmio"
+          "virtio_blk"
+          "virtio_scsi"
+          "9p"
+          "9pnet_virtio"
+        ];
+        boot.initrd.kernelModules = [
+          "virtio_balloon"
+          "virtio_console"
+          "virtio_rng"
+          "virtio_gpu"
+        ];
+      }
+    )
+  ];  
+}