optimization: disable tpm2, swraid

Author: SuperSandro2000

nixos-modules/microvm/optimization.nix

@@ -17,15 +17,21 @@ lib.mkIf (cfg.guest.enable && cfg.optimize.enable) {
   # The docs are pretty chonky
   documentation.enable = lib.mkDefault false;
 
-  # Use systemd initrd for startup speed.
-  # TODO: error mounting /nix/store on crosvm, kvmtool
-  boot.initrd.systemd.enable = lib.mkDefault (
-    builtins.elem cfg.hypervisor [
-      "qemu"
-      "cloud-hypervisor"
-      "firecracker"
-      "stratovirt"
-    ]);
+  boot = {
+    initrd.systemd = {
+      # Use systemd initrd for startup speed.
+      # TODO: error mounting /nix/store on crosvm, kvmtool
+      enable = lib.mkDefault (
+        builtins.elem cfg.hypervisor [
+          "qemu"
+          "cloud-hypervisor"
+          "firecracker"
+          "stratovirt"
+        ]);
+      tpm2.enable = lib.mkDefault false;
+    };
+    swraid.enable = false;
+  };
 
   nixpkgs.overlays = [
     (final: prev: {
@@ -36,9 +42,13 @@ lib.mkIf (cfg.guest.enable && cfg.optimize.enable) {
   # networkd is used due to some strange startup time issues with nixos's
   # homegrown dhcp implementation
   networking.useNetworkd = lib.mkDefault true;
-  # Due to a bug in systemd-networkd: https://github.com/systemd/systemd/issues/29388
-  # we cannot use systemd-networkd-wait-online.
-  systemd.network.wait-online.enable = lib.mkDefault false;
+
+  systemd = {
+    # Due to a bug in systemd-networkd: https://github.com/systemd/systemd/issues/29388
+    # we cannot use systemd-networkd-wait-online.
+    network.wait-online.enable = lib.mkDefault false;
+    tpm2.enable = lib.mkDefault false;
+  };
 
   # Exclude switch-to-configuration.pl from toplevel.
   system = lib.optionalAttrs (options.system ? switch && !canSwitchViaSsh) {