Intel Extensible Firmware Interface - Manual (Page 391)

Protocols — Bootable Image Support
Version 1.10 12/01/02 11-31
EFI_FILE.SetInfo()
Summary
Sets information about a file.
Prototype
EFI_STATUS
(EFIAPI *EFI_FILE_SET_INFO) (
IN
EFI_FILE *This,
IN EFI_GUID *InformationType,
IN UINTN BufferSize,
IN VOID *Buffer
);
Parameters
This A pointer to the EFI_FILE instance that is the file handle the
information is for. See the type EFI_FILE protocol description.
InformationType The type identifier for the information being set. Type EFI_GUID is
defined in Chapter 5. See the EFI_FILE_INFO and
EFI_FILE_SYSTEM_INFO descriptions for the related GUID
definitions.
BufferSize The size, in bytes, of Buffer .
Buffer A pointer to the data buffer to write. The buffer’s type is indicated by
InformationType .
Description
The SetInfo() function sets information of type InformationType on the requested file.
Status Codes Returned
EFI_SUCCESS The information was set.
EFI_UNSUPPORTED The InformationType is not known.
EFI_NO_MEDIA The device has no medium.
EFI_DEVICE_ERROR The device reported an error.
EFI_VOLUME_CORRUPTED The file system structures are corrupted.
EFI_WRITE_PROTECTED The file or medium is write protected.
EFI_ACCESS_DENIED The file was opened read-only.
EFI_VOLUME_FULL The volume is full.
EFI_BAD_BUFFER_SIZE BufferSize is smaller than the size of the type
indicated by InformationType .