diff --git a/interfaces/xiaomi/hardware/fx/tunnel/1.0/Android.bp b/interfaces/xiaomi/hardware/fx/tunnel/1.0/Android.bp
new file mode 100644
index 0000000..72300fc
--- /dev/null
+++ b/interfaces/xiaomi/hardware/fx/tunnel/1.0/Android.bp
@@ -0,0 +1,14 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "vendor.xiaomi.hardware.fx.tunnel@1.0",
+    root: "vendor.xiaomi",
+    system_ext_specific: true,
+    srcs: [
+        "IMiFxTunnel.hal",
+    ],
+    interfaces: [
+        "android.hidl.base@1.0",
+    ],
+    gen_java: true,
+}
diff --git a/interfaces/xiaomi/hardware/fx/tunnel/1.0/IMiFxTunnel.hal b/interfaces/xiaomi/hardware/fx/tunnel/1.0/IMiFxTunnel.hal
new file mode 100644
index 0000000..d3c08bd
--- /dev/null
+++ b/interfaces/xiaomi/hardware/fx/tunnel/1.0/IMiFxTunnel.hal
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2024 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package vendor.xiaomi.hardware.fx.tunnel@1.0;
+
+interface IMiFxTunnel {
+    invokeCommand(int32_t cmdId, vec<uint8_t> params) generates (int32_t resultCode, vec<uint8_t> out_buf);
+};