hc
2024-03-26 e0728245c89800c2038c23308f2d88969d5b41c8
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/** @file
 
  Copyright (c) 2020 Arm, Limited. All rights reserved.
 
  SPDX-License-Identifier: BSD-2-Clause-Patent
 
**/
 
#include <Uefi.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
 
#include "BcmGenetDxe.h"
 
STATIC
EFI_STATUS
EFIAPI
GenetAipGetInformation (
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  IN  EFI_GUID                          *InformationType,
  OUT VOID                              **InformationBlock,
  OUT UINTN                             *InformationBlockSize
  )
{
  EFI_ADAPTER_INFO_MEDIA_STATE  *AdapterInfo;
  GENET_PRIVATE_DATA            *Genet;
 
  if (This == NULL || InformationBlock == NULL ||
      InformationBlockSize == NULL) {
    return EFI_INVALID_PARAMETER;
  }
 
  if (!CompareGuid (InformationType, &gEfiAdapterInfoMediaStateGuid)) {
    return EFI_UNSUPPORTED;
  }
 
  AdapterInfo = AllocateZeroPool (sizeof (EFI_ADAPTER_INFO_MEDIA_STATE));
  if (AdapterInfo == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }
 
  *InformationBlock = AdapterInfo;
  *InformationBlockSize = sizeof (EFI_ADAPTER_INFO_MEDIA_STATE);
 
  Genet = GENET_PRIVATE_DATA_FROM_AIP_THIS (This);
  AdapterInfo->MediaState = GenericPhyUpdateConfig (&Genet->Phy);
 
  return EFI_SUCCESS;
}
 
STATIC
EFI_STATUS
EFIAPI
GenetAipSetInformation (
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  IN  EFI_GUID                          *InformationType,
  IN  VOID                              *InformationBlock,
  IN  UINTN                             InformationBlockSize
  )
{
  if (This == NULL || InformationBlock == NULL) {
    return EFI_INVALID_PARAMETER;
  }
 
  if (CompareGuid (InformationType, &gEfiAdapterInfoMediaStateGuid)) {
    return EFI_WRITE_PROTECTED;
  }
 
  return EFI_UNSUPPORTED;
}
 
STATIC
EFI_STATUS
EFIAPI
GenetAipGetSupportedTypes (
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  OUT EFI_GUID                          **InfoTypesBuffer,
  OUT UINTN                             *InfoTypesBufferCount
  )
{
  EFI_GUID    *Guid;
 
  if (This == NULL || InfoTypesBuffer == NULL ||
      InfoTypesBufferCount == NULL) {
    return EFI_INVALID_PARAMETER;
  }
 
  Guid = AllocatePool (sizeof *Guid);
  if (Guid == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }
 
  CopyGuid (Guid, &gEfiAdapterInfoMediaStateGuid);
 
  *InfoTypesBuffer      = Guid;
  *InfoTypesBufferCount = 1;
 
  return EFI_SUCCESS;
}
 
CONST EFI_ADAPTER_INFORMATION_PROTOCOL gGenetAdapterInfoTemplate = {
  GenetAipGetInformation,
  GenetAipSetInformation,
  GenetAipGetSupportedTypes,
};