/** @file
  GUIDs used for SMRAM CPU DATA Variable to keep 2 locations for copying data from
  regular memory to SMM memory

@copyright
  Copyright (c) 2011 - 2012 Intel Corporation. All rights reserved
  This software and associated documentation (if any) is furnished
  under a license and may only be used or copied in accordance
  with the terms of the license. Except as permitted by such
  license, no part of this software or documentation may be
  reproduced, stored in a retrieval system, or transmitted in any
  form or by any means without the express written consent of
  Intel Corporation.

  This file contains 'Framework Code' and is licensed as such
  under the terms of your license agreement with Intel or your
  vendor.  This file may not be modified, except as allowed by
  additional terms of your license agreement.
**/
#ifndef _SMRAM_CPU_DATA_VARIABLE_H_
#define _SMRAM_CPU_DATA_VARIABLE_H_

///
/// CPU Driver will maintain ACPI CPU DATA in regular memory,
/// 1. CpuInitDxe driver will allocate SMM memory, and normal memory
/// 2. Save both location in SMRAM_CPU_DATA_VARIABLE
/// 3. Issue SMM_FROM_CPU_DRIVER_SAVE_INFO SW SMI to ask SMM driver to
///    copy data to SMRAM with signature.
/// 4. In S3 path, CPUS3 retrieves data by search signature in SMRAM.
///
#define SMRAM_CPU_DATA_VARIABLE_GUID \
  { \
    0x429501d9, 0xe447, 0x40f4, 0x86, 0x7b, 0x75, 0xc9, 0x3a, 0x1d, 0xb5, 0x4e \
  }

#define SMRAM_CPU_DATA_VARIABLE L"SmramCpuDataVar"

typedef struct {
  EFI_PHYSICAL_ADDRESS LockBoxData;
  EFI_PHYSICAL_ADDRESS SmramCpuData;
  UINT64               LockBoxSize;
} SMRAM_CPU_DATA_ADDRESS;

extern EFI_GUID gSmramCpuDataVariableGuid;

#endif