Initial version of tpm_init, a library for taking ownership of the TPM.

tpm_init.h

+// Copyright (c) 2009-2010 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.
+
+// TpmInit - public interface class for initializing the TPM
+
+#include <base/scoped_ptr.h>
+#include <base/platform_thread.h>
+#include <chromeos/utility.h>
+
+#ifndef TPM_INIT_TPM_INIT_H_
+#define TPM_INIT_TPM_INIT_H_
+
+namespace tpm_init {
+
+class TpmInitTask;
+
+class TpmInit {
+ public:
+
+  // Default constructor
+  TpmInit();
+
+  virtual ~TpmInit();
+
+  // Starts asynchronous initialization of the TPM
+  virtual bool StartInitializeTpm();
+
+  // Returns true if the TPM is initialized and ready for use
+  virtual bool IsTpmReady();
+
+  // Returns true if the TPM is enabled
+  virtual bool IsTpmEnabled();
+
+  // Gets the TPM password if the TPM initialization took ownership
+  //
+  // Parameters
+  //   password (OUT) - The owner password used for the TPM
+  virtual bool GetTpmPassword(chromeos::Blob* password);
+
+  // Returns the number of milliseconds it took to initialize the TPM
+  virtual long GetInitializationMillis();
+
+ private:
+  // The background task for initializing the TPM, implemented as a
+  // PlatformThread::Delegate
+  scoped_ptr<TpmInitTask> tpm_init_;
+
+  DISALLOW_COPY_AND_ASSIGN(TpmInit);
+};
+
+}  // namespace tpm_init
+
+#endif  // TPM_INIT_TPM_INIT_H_