FmpDevicePkg/Library/FmpDependencyDeviceLibNull/FmpDependencyDeviceLib.c

   1 /** @file
   2   Null instance of FmpDependencyDeviceLib.
   3
   4   Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9 #include <PiDxe.h>
  10 #include <Library/FmpDependencyDeviceLib.h>
  11
  12 /**
  13   Save dependency to Fmp device.
  14
  15   @param[in]  Depex       Fmp dependency.
  16   @param[in]  DepexSize   Size, in bytes, of the Fmp dependency.
  17
  18   @retval  EFI_SUCCESS       Save Fmp dependency succeeds.
  19   @retval  EFI_UNSUPPORTED   Save Fmp dependency is not supported.
  20   @retval  Others            Save Fmp dependency fails.
  21
  22 **/
  23 EFI_STATUS
  24 EFIAPI
  25 SaveFmpDependency (
  26   IN EFI_FIRMWARE_IMAGE_DEP  *Depex,
  27   IN UINT32                  DepexSize
  28   )
  29 {
  30   return EFI_UNSUPPORTED;
  31 }
  32
  33 /**
  34   Get dependency from the Fmp device.
  35   This caller is responsible for freeing the dependency buffer.
  36
  37   @param[out]  DepexSize   Size, in bytes, of the dependency.
  38
  39   @retval  The pointer to dependency.
  40   @retval  NULL
  41
  42 **/
  43 EFI_FIRMWARE_IMAGE_DEP *
  44 EFIAPI
  45 GetFmpDependency (
  46   OUT UINT32  *DepexSize
  47   )
  48 {
  49   return NULL;
  50 }