i am an idiot, i forgot to remove the xdg portal config in configuration.nix on apollo, this broke screensharing

base/virtualisation/vfio.nix

@@ -0,0 +1,73 @@
+# https://gist.github.com/CRTified/43b7ce84cd238673f7f24652c85980b3?permalink_comment_id=3793931
+{ lib, pkgs, config, ... }:
+with lib;
+let
+  cfg = config.virtualisation.vfio;
+in {
+  options.virtualisation.vfio = {
+    enable = mkEnableOption "VFIO Configuration";
+    IOMMUType = mkOption {
+      type = types.enum [ "intel" "amd" ];
+      example = "intel";
+      description = "Type of the IOMMU used";
+    };
+    devices = mkOption {
+      type = types.listOf (types.strMatching "[0-9a-f]{4}:[0-9a-f]{4}");
+      default = [ ];
+      example = [ "10de:1b80" "10de:10f0" ];
+      description = "PCI IDs of devices to bind to vfio-pci";
+    };
+    disableEFIfb = mkOption {
+      type = types.bool;
+      default = false;
+      example = true;
+      description = "Disables the usage of the EFI framebuffer on boot.";
+    };
+    blacklistNvidia = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Add Nvidia GPU modules to blacklist";
+    };
+    ignoreMSRs = mkOption {
+      type = types.bool;
+      default = false;
+      example = true;
+      description =
+        "When true, disable kvm guest access to model-specific registers";
+    };
+    disablePCIeASPM = mkOption {
+      type = types.bool;
+      default = false;
+      example = true;
+      description =
+        "When true, disable PCIe Active-State Power Management";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.udev.extraRules = ''
+      SUBSYSTEM=="vfio", OWNER="root", GROUP="kvm"
+    '';
+
+    boot.kernelParams = (if cfg.IOMMUType == "intel" then [
+      "intel_iommu=on"
+      "intel_iommu=igfx_off"
+    ] else
+      [ "amd_iommu=on" ]) ++ (optional (builtins.length cfg.devices > 0)
+        ("vfio-pci.ids=" + builtins.concatStringsSep "," cfg.devices))
+      ++ (optional cfg.disableEFIfb "video=efifb:off")
+      ++ (optionals cfg.ignoreMSRs [
+        "kvm.ignore_msrs=1"
+        "kvm.report_ignored_msrs=0" ])
+      ++ (optionals cfg.disablePCIeASPM [
+        "pcie_aspm=off"
+      ]);
+
+    boot.kernelModules = [ "vfio_pci" "vfio_iommu_type1" "vfio" ];
+
+    boot.initrd.kernelModules =
+      [ "vfio_pci" "vfio_iommu_type1" "vfio" ];
+    boot.blacklistedKernelModules =
+      optionals cfg.blacklistNvidia [ "nvidia" "nouveau" ];
+  };
+}