audk/OptionRomPkg/UndiRuntimeDxe/UndiAipImpl.c

/** @file

Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/


#include "Undi32.h"


UINTN      mSupportedInfoTypesCount = 1;
EFI_GUID   mSupportedInfoTypes[] = {
  EFI_ADAPTER_INFO_UNDI_IPV6_SUPPORT_GUID
};

/**
  Returns the current state information for the adapter.

  This function returns information of type InformationType from the adapter.
  If an adapter does not support the requested informational type, then
  EFI_UNSUPPORTED is returned. 

  @param[in]  This                   A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
  @param[in]  InformationType        A pointer to an EFI_GUID that defines the contents of InformationBlock.
  @param[out] InforamtionBlock       The service returns a pointer to the buffer with the InformationBlock
                                     structure which contains details about the data specific to InformationType.
  @param[out] InforamtionBlockSize   The driver returns the size of the InformationBlock in bytes.

  @retval EFI_SUCCESS                The InformationType information was retrieved.
  @retval EFI_UNSUPPORTED            The InformationType is not known.
  @retval EFI_DEVICE_ERROR           The device reported an error.
  @retval EFI_OUT_OF_RESOURCES       The request could not be completed due to a lack of resources.
  @retval EFI_INVALID_PARAMETER      This is NULL. 
  @retval EFI_INVALID_PARAMETER      InformationBlock is NULL. 
  @retval EFI_INVALID_PARAMETER      InformationBlockSize is NULL.

**/  
EFI_STATUS
EFIAPI
UndiAipGetInfo (
  IN   EFI_ADAPTER_INFORMATION_PROTOCOL *This,
  IN   EFI_GUID                         *InformationType,
  OUT  VOID                             **InformationBlock,
  OUT  UINTN                            *InformationBlockSize
  )
{
  UNDI32_DEV                            *UNDI32Device;
  EFI_ADAPTER_INFO_UNDI_IPV6_SUPPORT    *UndiIpv6Support;

  if (This == NULL || InformationBlock == NULL || InformationBlockSize == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  if (!CompareGuid (InformationType, &gEfiAdapterInfoUndiIpv6SupportGuid)) {
    return EFI_UNSUPPORTED;
  }

  UNDI32Device = UNDI_DEV_FROM_AIP (This);
  *InformationBlockSize = sizeof (EFI_ADAPTER_INFO_UNDI_IPV6_SUPPORT);
  *InformationBlock = AllocateZeroPool (*InformationBlockSize);
  if (*InformationBlock == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }

  UndiIpv6Support = (EFI_ADAPTER_INFO_UNDI_IPV6_SUPPORT *) (*InformationBlock);
  UndiIpv6Support->Ipv6Support = UNDI32Device->NIIProtocol_31.Ipv6Supported;

  return EFI_SUCCESS;
}

/**
  Sets state information for an adapter.

  This function sends information of type InformationType for an adapter.
  If an adapter does not support the requested information type, then EFI_UNSUPPORTED
  is returned.

  @param[in]  This                   A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
  @param[in]  InformationType        A pointer to an EFI_GUID that defines the contents of InformationBlock.
  @param[in]  InforamtionBlock       A pointer to the InformationBlock structure which contains details
                                     about the data specific to InformationType.
  @param[in]  InforamtionBlockSize   The size of the InformationBlock in bytes.

  @retval EFI_SUCCESS                The information was received and interpreted successfully.
  @retval EFI_UNSUPPORTED            The InformationType is not known.
  @retval EFI_DEVICE_ERROR           The device reported an error.
  @retval EFI_INVALID_PARAMETER      This is NULL.
  @retval EFI_INVALID_PARAMETER      InformationBlock is NULL.
  @retval EFI_WRITE_PROTECTED        The InformationType cannot be modified using EFI_ADAPTER_INFO_SET_INFO().

**/                        
EFI_STATUS
EFIAPI
UndiAipSetInfo (
  IN   EFI_ADAPTER_INFORMATION_PROTOCOL *This,
  IN   EFI_GUID                         *InformationType,
  IN   VOID                             *InformationBlock,
  IN   UINTN                            InformationBlockSize
  )
{
  return EFI_WRITE_PROTECTED;
}

/**
  Get a list of supported information types for this instance of the protocol.

  This function returns a list of InformationType GUIDs that are supported on an
  adapter with this instance of EFI_ADAPTER_INFORMATION_PROTOCOL. The list is returned
  in InfoTypesBuffer, and the number of GUID pointers in InfoTypesBuffer is returned in
  InfoTypesBufferCount.

  @param[in]  This                  A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
  @param[out] InfoTypesBuffer       A pointer to the list of InformationType GUID pointers that are supported
                                    by This.
  @param[out] InfoTypesBufferCount  A pointer to the number of GUID pointers present in InfoTypesBuffer.

  @retval EFI_SUCCESS               The list of information type GUIDs that are supported on this adapter was
                                    returned in InfoTypesBuffer. The number of information type GUIDs was
                                    returned in InfoTypesBufferCount.
  @retval EFI_INVALID_PARAMETER     This is NULL.
  @retval EFI_INVALID_PARAMETER     InfoTypesBuffer is NULL.
  @retval EFI_INVALID_PARAMETER     InfoTypesBufferCount is NULL.
  @retval EFI_OUT_OF_RESOURCES      There is not enough pool memory to store the results.

**/                        
EFI_STATUS
EFIAPI
UndiAipGetSupportedTypes (
  IN    EFI_ADAPTER_INFORMATION_PROTOCOL *This,
  OUT   EFI_GUID                         **InfoTypesBuffer,
  OUT   UINTN                            *InfoTypesBufferCount
  )
{
  if (This == NULL || InfoTypesBuffer == NULL || InfoTypesBufferCount == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  *InfoTypesBufferCount = 1;
  *InfoTypesBuffer = AllocateCopyPool (sizeof (EFI_GUID), &gEfiAdapterInfoUndiIpv6SupportGuid);
  if (InfoTypesBuffer == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }

  return EFI_SUCCESS;
}