added reboot return codes to load kernel and firmware

firmware/include/load_firmware_fw.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.
  *
  * High-level firmware API for loading and verifying rewritable firmware.
  * (Firmware Portion)
  */
 
 #ifndef VBOOT_REFERENCE_LOAD_FIRMWARE_FW_H_
 #define VBOOT_REFERENCE_LOAD_FIRMWARE_FW_H_
 
 #include "sysincludes.h"
 
 /* Recommended size of kernel_sign_key_blob in bytes, for
  * implementations which must preallocate a transfer buffer between
  * boot phases */
 #define LOAD_FIRMWARE_KEY_BLOB_REC_SIZE 2104
 
 /* Return codes for LoadFirmware() */
 #define LOAD_FIRMWARE_SUCCESS 0   /* Success */
 #define LOAD_FIRMWARE_RECOVERY 1  /* Reboot to recovery mode */
+#define LOAD_FIRMWARE_REBOOT 2    /* Reboot to same mode as current boot */
 
 /* Boot flags for LoadFirmware().boot_flags */
 #define BOOT_FLAG_DEVELOPER UINT64_C(0x01)  /* Developer switch is on */
 
 typedef struct LoadFirmwareParams {
   /* Inputs to LoadFirmware() */
   void *firmware_root_key_blob;  /* Key used to sign firmware header */
   void *verification_block_0;    /* Key block + preamble for firmware 0 */
   void *verification_block_1;    /* Key block + preamble for firmware 1 */
   uint64_t verification_size_0;  /* Verification block 0 size in bytes */
@@ skipping 49 matching lines @@
 /* Update the data hash for the current firmware image, extending it
  * by [size] bytes stored in [*data].  This function must only be
  * called inside GetFirmwareBody(). */
 void UpdateFirmwareBodyHash(LoadFirmwareParams* params,
                             uint8_t* data, uint64_t size);
 
 
 
 
 #endif  /* VBOOT_REFERENCE_LOAD_FIRMWARE_FW_H_ */