diff --git a/tests/tpm_lite/tlcl_tests.h b/tests/tpm_lite/tlcl_tests.h
new file mode 100644
index 0000000000..57e8fd9233
--- /dev/null
+++ b/tests/tpm_lite/tlcl_tests.h
@@ -0,0 +1,34 @@
+/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Common definitions for test programs.
+ */
+
+#ifndef TLCL_TESTS_H
+#define TLCL_TESTS_H
+
+/* Standard testing indexes. */
+#define INDEX0 0xcafe
+#define INDEX1 0xcaff
+
+#define DO_ON_FAILURE(tpm_command, action) do {         \
+    uint32_t result;                                    \
+    if ((result = (tpm_command)) != TPM_SUCCESS) {      \
+      action;                                           \
+    }                                                   \
+  } while (0)
+
+/* Prints error and returns on failure */
+#define TPM_CHECK(tpm_command) \
+  DO_ON_FAILURE(tpm_command,                                   \
+                printf("TEST FAILED: line %d: " #tpm_command ": 0x%x\n", \
+                       __LINE__, result); return result)
+
+/* Executes TlclStartup(), but ignores POSTINIT error if the
+ * TLCL_RESILIENT_STARTUP environment variable is set.
+ */
+uint32_t TlclStartupIfNeeded(void);
+
+#endif // TLCL_TESTS_H