HstiAip.c

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#include "HstiDxe.h"
 
EFI_STATUS
EFIAPI
HstiAipGetInfo (
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  IN  EFI_GUID                          *InformationType,
  OUT VOID                              **InformationBlock,
  OUT UINTN                             *InformationBlockSize
  )
{
  HSTI_AIP_PRIVATE_DATA  *HstiAip;
 
  if ((This == NULL) || (InformationBlock == NULL) || (InformationBlockSize == NULL)) {
    return EFI_INVALID_PARAMETER;
  }
 
  if (!CompareGuid (InformationType, &gAdapterInfoPlatformSecurityGuid)) {
    return EFI_UNSUPPORTED;
  }
 
  HstiAip = HSTI_AIP_PRIVATE_DATA_FROM_THIS (This);
 
  *InformationBlock = AllocateCopyPool (HstiAip->HstiSize, HstiAip->Hsti);
  if (*InformationBlock == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }
 
  *InformationBlockSize = HstiAip->HstiSize;
  return EFI_SUCCESS;
}
 
EFI_STATUS
EFIAPI
HstiAipSetInfo (
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  IN  EFI_GUID                          *InformationType,
  IN  VOID                              *InformationBlock,
  IN  UINTN                             InformationBlockSize
  )
{
  HSTI_AIP_PRIVATE_DATA  *HstiAip;
  VOID                   *NewHsti;
 
  if ((This == NULL) || (InformationBlock == NULL)) {
    return EFI_INVALID_PARAMETER;
  }
 
  if (!CompareGuid (InformationType, &gAdapterInfoPlatformSecurityGuid)) {
    return EFI_UNSUPPORTED;
  }
 
  if (!InternalHstiIsValidTable (InformationBlock, InformationBlockSize)) {
    return EFI_VOLUME_CORRUPTED;
  }
 
  HstiAip = HSTI_AIP_PRIVATE_DATA_FROM_THIS (This);
 
  if (InformationBlockSize > HstiAip->HstiMaxSize) {
    NewHsti = AllocateZeroPool (InformationBlockSize);
    if (NewHsti == NULL) {
      return EFI_OUT_OF_RESOURCES;
    }
 
    FreePool (HstiAip->Hsti);
    HstiAip->Hsti        = NewHsti;
    HstiAip->HstiSize    = 0;
    HstiAip->HstiMaxSize = InformationBlockSize;
  }
 
  CopyMem (HstiAip->Hsti, InformationBlock, InformationBlockSize);
  HstiAip->HstiSize = InformationBlockSize;
  return EFI_SUCCESS;
}
 
EFI_STATUS
EFIAPI
HstiAipGetSupportedTypes (
  IN  EFI_ADAPTER_INFORMATION_PROTOCOL  *This,
  OUT EFI_GUID                          **InfoTypesBuffer,
  OUT UINTN                             *InfoTypesBufferCount
  )
{
  if ((This == NULL) || (InfoTypesBuffer == NULL) || (InfoTypesBufferCount == NULL)) {
    return EFI_INVALID_PARAMETER;
  }
 
  *InfoTypesBuffer = AllocateCopyPool (sizeof (gAdapterInfoPlatformSecurityGuid), &gAdapterInfoPlatformSecurityGuid);
  if (*InfoTypesBuffer == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }
 
  *InfoTypesBufferCount = 1;
 
  return EFI_SUCCESS;
}
 
EFI_ADAPTER_INFORMATION_PROTOCOL  mAdapterInformationProtocol = {
  HstiAipGetInfo,
  HstiAipSetInfo,
  HstiAipGetSupportedTypes,
};