nixos/nvidia-container-toolkit: add extraArgs option (#423934)

nixos/modules/services/hardware/nvidia-container-toolkit/cdi-generate.nix

···
   nvidia-driver,
   runtimeShell,
   writeScriptBin,
+  extraArgs,
 }:
 let
-  mkMount =
-    {
-      hostPath,
-      containerPath,
-      mountOptions,
-    }:
-    {
-      inherit hostPath containerPath;
-      options = mountOptions;
-    };
   mountToCommand =
     mount:
     "additionalMount \"${mount.hostPath}\" \"${mount.containerPath}\" '${builtins.toJSON mount.mountOptions}'";
···
       --device-name-strategy ${device-name-strategy} \
       --ldconfig-path ${lib.getExe' glibc "ldconfig"} \
       --library-search-path ${lib.getLib nvidia-driver}/lib \
-      --nvidia-cdi-hook-path ${lib.getExe' nvidia-container-toolkit.tools "nvidia-cdi-hook"}
+      --nvidia-cdi-hook-path ${lib.getExe' nvidia-container-toolkit.tools "nvidia-cdi-hook"} \
+      ${lib.escapeShellArgs extraArgs}
   }
 
   function additionalMount {

nixos/modules/services/hardware/nvidia-container-toolkit/default.nix

···
         };
 
         package = lib.mkPackageOption pkgs "nvidia-container-toolkit" { };
+
+        extraArgs = lib.mkOption {
+          type = lib.types.listOf lib.types.str;
+          default = [ ];
+          description = ''
+            Extra arguments to be passed to nvidia-ctk.
+          '';
+        };
       };
 
     };
···
                 device-name-strategy
                 discovery-mode
                 mounts
+                extraArgs
                 ;
               nvidia-container-toolkit = config.hardware.nvidia-container-toolkit.package;
               nvidia-driver = config.hardware.nvidia.package;