Fix: split qemu configuration

modules/common/qemu.nix

@@ -0,0 +1,45 @@
+{
+  lib,
+  pkgs,
+  ...
+}: {
+  boot.kernelModules = lib.mkAfter ["tun"];
+  environment.systemPackages = with pkgs; [
+    qemu_kvm
+    virtiofsd
+  ];
+
+  services = {
+    udev.extraRules = ''
+      SUBSYSTEM=="vfio", GROUP="kvm", MODE="0660"
+    '';
+    spice-vdagentd.enable = true;
+    resolved.enable = true;
+  };
+
+  virtualisation.libvirtd = {
+    enable = true;
+    qemu = {
+      swtpm.enable = true;
+      ovmf.enable = true;
+      ovmf.packages = [pkgs.OVMFFull.fd];
+      runAsRoot = false;
+    };
+  };
+
+  users.users.lomig.extraGroups = ["libvirtd" "kvm" "input"];
+  networking = {
+    useDHCP = false;
+  };
+
+  systemd.network.networks."10-br0" = {
+    matchConfig.Name = "br0";
+    networkConfig.DHCP = "yes";
+  };
+
+  environment.etc."qemu/bridge.conf".text = ''
+    allow br0
+  '';
+}
+# vim: set ts=2 sw=2 sts=2 et :
+