audk/MdePkg/Include/Ppi/SecHobData.h

/** @file
  This file declares Sec Hob Data PPI.

  This PPI provides a way for the SEC code to pass zero or more HOBs in a HOB list.

Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

  @par Revision Reference:
  This PPI is introduced in PI Version 1.5.

**/

#ifndef __SEC_HOB_DATA_PPI_H__
#define __SEC_HOB_DATA_PPI_H__

#include <Pi/PiHob.h>

#define EFI_SEC_HOB_DATA_PPI_GUID \
  { \
    0x3ebdaf20, 0x6667, 0x40d8, {0xb4, 0xee, 0xf5, 0x99, 0x9a, 0xc1, 0xb7, 0x1f } \
  }

typedef struct _EFI_SEC_HOB_DATA_PPI EFI_SEC_HOB_DATA_PPI;

/**
  Return a pointer to a buffer containing zero or more HOBs that
  will be installed into the PEI HOB List.

  This function returns a pointer to a pointer to zero or more HOBs,
  terminated with a HOB of type EFI_HOB_TYPE_END_OF_HOB_LIST.
  Note: The HobList must not contain a EFI_HOB_HANDOFF_INFO_TABLE HOB (PHIT) HOB.

  @param[in]  This          Pointer to this PPI structure.
  @param[out] HobList       A pointer to a returned pointer to zero or more HOBs.
                            If no HOBs are to be returned, then the returned pointer
                            is a pointer to a HOB of type EFI_HOB_TYPE_END_OF_HOB_LIST.

  @retval EFI_SUCCESS       This function completed successfully.
  @retval EFI_NOT_FOUND     No HOBS are available.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_SEC_HOB_DATA_GET) (
  IN CONST EFI_SEC_HOB_DATA_PPI *This,
  OUT EFI_HOB_GENERIC_HEADER    **HobList
);

///
/// This PPI provides a way for the SEC code to pass zero or more HOBs in a HOB list.
///
struct _EFI_SEC_HOB_DATA_PPI {
  EFI_SEC_HOB_DATA_GET          GetHobs;
};

extern EFI_GUID gEfiSecHobDataPpiGuid;

#endif