Many upgrades to tpm_lite.

src/platform/tpm_lite/src/include/tlcl.h

 /* 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.
  */
 
 /* TPM Lightweight Command Library.
  *
  * A low-level library for interfacing to TPM hardware or an emulator.
  */
 
 #ifndef TPM_LITE_TLCL_H_
 #define TPM_LITE_TLCL_H_
 
+#include <stdarg.h>
 #include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define POSSIBLY_UNUSED __attribute__((unused))
+
+#ifdef __STRICT_ANSI__
+#define INLINE
+#else
+#define INLINE inline
+#endif
+
+/* Outputs an error message and quits the program.
+ */
+static void error(const char *format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  fprintf(stderr, "ERROR: ");
+  vfprintf(stderr, format, ap);
+  va_end(ap);
+  exit(1);
+}
+
+/* Outputs a warning and continues.
+ */
+POSSIBLY_UNUSED
+static void warning(const char *format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  fprintf(stderr, "WARNING: ");
+  vfprintf(stderr, format, ap);
+  va_end(ap);
+}
+
+#define assert(expr) do { if (!(expr)) { \
+      error("assert fail: %s at %s:%d\n", \
+            #expr, __FILE__, __LINE__); }} while(0)
 
 /* Call this first.
  */
 void TlclLibinit(void);
 
 /* Sends a TPM_Startup(ST_CLEAR).  Note that this is a no-op for the emulator,
  * because it runs this command during initialization.
  */
 void TlclStartup(void);
 
@@ skipping 26 matching lines @@
 void TlclReadLock(uint32_t index);
 
 /* Asserts physical presence in software.
  */
 void TlclAssertPhysicalPresence(void);
 
 /* Sets the nvLocked bit.
  */
 void TlclSetNvLocked(void);
 
+/* Returns 1 if the TPM is owned, 0 otherwise.
+ */
+int TlclIsOwned(void);
+
 #endif  /* TPM_LITE_TLCL_H_ */