C++ (Cpp) INSTANCE_FROM_BLKIO_THIS примеры использования

Пример #1

Файл: FlashBlockIoDxe.c Проект: hzhuang1/uefi

//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.ReadBlocks
//
EFI_STATUS
EFIAPI
FlashBlockIoReadBlocks (
    IN  EFI_BLOCK_IO_PROTOCOL*     This,
    IN  UINT32                  MediaId,
    IN  EFI_LBA                     Lba,
    IN  UINTN         BufferSizeInBytes,
    OUT VOID*                     Buffer
)
{
    FLASH_INSTANCE*   Instance;
    EFI_STATUS          Status;

    Instance = INSTANCE_FROM_BLKIO_THIS(This);

    //DEBUG ((EFI_D_ERROR, "FlashBlockIoReadBlocks(MediaId=0x%x, Lba=%ld, BufferSize=0x%x bytes (%d kB), BufferPtr @ 0x%08x)\n", MediaId, Lba, BufferSizeInBytes, Buffer));

    if ( !This->Media->MediaPresent )
    {
        Status = EFI_NO_MEDIA;
    }
    else if ( This->Media->MediaId != MediaId )
    {
        Status = EFI_MEDIA_CHANGED;
    }
    else
    {
        Status = FlashReadBlocks (Instance, Lba, BufferSizeInBytes, Buffer);
    }

    return Status;
}

Пример #2

Файл: NorFlashBlockIoDxe.c Проект: binsys/VisualUefi

//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.WriteBlocks
//
EFI_STATUS
EFIAPI
NorFlashBlockIoWriteBlocks (
  IN  EFI_BLOCK_IO_PROTOCOL   *This,
  IN  UINT32                  MediaId,
  IN  EFI_LBA                 Lba,
  IN  UINTN                   BufferSizeInBytes,
  IN  VOID                    *Buffer
  )
{
  NOR_FLASH_INSTANCE  *Instance;
  EFI_STATUS          Status;

  Instance = INSTANCE_FROM_BLKIO_THIS(This);

  DEBUG ((DEBUG_BLKIO, "NorFlashBlockIoWriteBlocks(MediaId=0x%x, Lba=%ld, BufferSize=0x%x bytes (%d kB), BufferPtr @ 0x%08x)\n", MediaId, Lba, BufferSizeInBytes, Buffer));

  if( !This->Media->MediaPresent ) {
    Status = EFI_NO_MEDIA;
  } else if( This->Media->MediaId != MediaId ) {
    Status = EFI_MEDIA_CHANGED;
  } else if( This->Media->ReadOnly ) {
    Status = EFI_WRITE_PROTECTED;
  } else {
    Status = NorFlashWriteBlocks (Instance,Lba,BufferSizeInBytes,Buffer);
  }

  return Status;
}

Пример #3

Файл: NorFlashBlockIoDxe.c Проект: binsys/VisualUefi

//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.Reset
//
EFI_STATUS
EFIAPI
NorFlashBlockIoReset (
  IN EFI_BLOCK_IO_PROTOCOL  *This,
  IN BOOLEAN                ExtendedVerification
  )
{
  NOR_FLASH_INSTANCE *Instance;

  Instance = INSTANCE_FROM_BLKIO_THIS(This);

  DEBUG ((DEBUG_BLKIO, "NorFlashBlockIoReset(MediaId=0x%x)\n", This->Media->MediaId));

  return NorFlashReset (Instance);
}

Пример #4

Файл: NorFlashBlockIoDxe.c Проект: binsys/VisualUefi

//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.ReadBlocks
//
EFI_STATUS
EFIAPI
NorFlashBlockIoReadBlocks (
  IN  EFI_BLOCK_IO_PROTOCOL   *This,
  IN  UINT32                  MediaId,
  IN  EFI_LBA                 Lba,
  IN  UINTN                   BufferSizeInBytes,
  OUT VOID                    *Buffer
  )
{
  NOR_FLASH_INSTANCE  *Instance;
  EFI_STATUS          Status;
  EFI_BLOCK_IO_MEDIA  *Media;

  if (This == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  Instance = INSTANCE_FROM_BLKIO_THIS(This);
  Media = This->Media;

  DEBUG ((DEBUG_BLKIO, "NorFlashBlockIoReadBlocks(MediaId=0x%x, Lba=%ld, BufferSize=0x%x bytes (%d kB), BufferPtr @ 0x%08x)\n", MediaId, Lba, BufferSizeInBytes, Buffer));

  if (!Media) {
    Status = EFI_INVALID_PARAMETER;
  } else if (!Media->MediaPresent) {
    Status = EFI_NO_MEDIA;
  } else if (Media->MediaId != MediaId) {
    Status = EFI_MEDIA_CHANGED;
  } else if ((Media->IoAlign > 2) && (((UINTN)Buffer & (Media->IoAlign - 1)) != 0)) {
    Status = EFI_INVALID_PARAMETER;
  } else {
    Status = NorFlashReadBlocks (Instance, Lba, BufferSizeInBytes, Buffer);
  }

  return Status;
}