UefiPayloadPkg/Include/Library/HobParserLib.h

/** @file
  This library will provide services for handling HOB data.

  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent
**/

#ifndef HOB_PARSER_LIB_H_
#define HOB_PARSER_LIB_H_

/**
 *
  Add HOB into HOB list

  @param[in]  Hob    The HOB to be added into the HOB list.
**/
VOID
AddNewHob (
  IN EFI_PEI_HOB_POINTERS  *Hob
  );

/**
  Found the Resource Descriptor HOB that contains a range (Base, Top)

  @param[in] HobList    Hob start address
  @param[in] Base       Memory start address
  @param[in] Top        Memory end address.

  @retval     The pointer to the Resource Descriptor HOB.
**/
EFI_HOB_RESOURCE_DESCRIPTOR *
FindResourceDescriptorByRange (
  IN VOID                  *HobList,
  IN EFI_PHYSICAL_ADDRESS  Base,
  IN EFI_PHYSICAL_ADDRESS  Top
  );

/**
  Find the highest below 4G memory resource descriptor, except the input Resource Descriptor.

  @param[in] HobList                 Hob start address
  @param[in] MinimalNeededSize       Minimal needed size.
  @param[in] ExceptResourceHob       Ignore this Resource Descriptor.

  @retval     The pointer to the Resource Descriptor HOB.
**/
EFI_HOB_RESOURCE_DESCRIPTOR *
FindAnotherHighestBelow4GResourceDescriptor (
  IN VOID                         *HobList,
  IN UINTN                        MinimalNeededSize,
  IN EFI_HOB_RESOURCE_DESCRIPTOR  *ExceptResourceHob
  );

/**
  Check the HOB and decide if it is need inside Payload

  Payload maintainer may make decision which HOB is need or needn't
  Then add the check logic in the function.

  @param[in] Hob The HOB to check

  @retval TRUE  If HOB is need inside Payload
  @retval FALSE If HOB is needn't inside Payload
**/
BOOLEAN
IsHobNeed (
  EFI_PEI_HOB_POINTERS  Hob
  );

#endif