Add TPM version checking

firmware/include/vboot_struct.h

 /* Copyright (c) 2011 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.
  *
  * Data structure definitions for verified boot, for on-disk / in-eeprom
  * data.
  */
 
 #ifndef VBOOT_REFERENCE_VBOOT_STRUCT_H_
 #define VBOOT_REFERENCE_VBOOT_STRUCT_H_
@@ skipping 186 matching lines @@
   uint64_t timer_load_firmware_start_exit;   /* LoadFirmwareStart() - exit */
   uint64_t timer_load_firmware_enter;        /* LoadFirmware() - enter */
   uint64_t timer_load_firmware_exit;         /* LoadFirmware() - exit */
   uint64_t timer_load_kernel_enter;          /* LoadKernel() - enter */
   uint64_t timer_load_kernel_exit;           /* LoadKernel() - exit */
 
   uint8_t check_fw_a_result;          /* Result of checking RW firmware A */
   uint8_t check_fw_b_result;          /* Result of checking RW firmware B */
   uint8_t firmware_index;             /* Firmware index returned by
                                        * LoadFirmware() or 0xFF if failure */
-  uint32_t fw_version_tpm_start;      /* Firmware TPM version at start */
+  uint32_t fw_version_tpm_start;      /* Firmware TPM version at start of
+                                       * LoadFirmware() */
   uint32_t fw_version_lowest;         /* Firmware lowest version found */
 
+  uint32_t fw_version_tpm;            /* Current firmware version in TPM */
+  uint32_t kernel_version_tpm;        /* Current kernel version in TPM */
+
   /* After read-only firmware which uses version 1 is released, any additional
    * fields must be added below, and the struct version must be increased.
    * Before reading/writing those fields, make sure that the struct being
    * accessed is at least version 2.
    *
    * It's always ok for an older firmware to access a newer struct, since all
    * the fields it knows about are present.  Newer firmware needs to use
    * reasonable defaults when accessing older structs. */
 
 } __attribute__((packed)) VbSharedDataHeader;
 
 #define VB_SHARED_DATA_VERSION 1      /* Version for struct_version */
 
 __pragma(pack(pop)) /* Support packing for MSVC. */
 
 #endif  /* VBOOT_REFERENCE_VBOOT_STRUCT_H_ */