SimpleFsGetPosition.c 594 B

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  1. /** @file
  2. EFI_FILE_PROTOCOL.GetPosition() member function for the Virtio Filesystem
  3. driver.
  4. Copyright (C) 2020, Red Hat, Inc.
  5. SPDX-License-Identifier: BSD-2-Clause-Patent
  6. **/
  7. #include "VirtioFsDxe.h"
  8. EFI_STATUS
  9. EFIAPI
  10. VirtioFsSimpleFileGetPosition (
  11. IN EFI_FILE_PROTOCOL *This,
  12. OUT UINT64 *Position
  13. )
  14. {
  15. VIRTIO_FS_FILE *VirtioFsFile;
  16. VirtioFsFile = VIRTIO_FS_FILE_FROM_SIMPLE_FILE (This);
  17. if (VirtioFsFile->IsDirectory) {
  18. return EFI_UNSUPPORTED;
  19. }
  20. *Position = VirtioFsFile->FilePosition;
  21. return EFI_SUCCESS;
  22. }