Intel Extensible Firmware Interface - Manual (Page 396)

Extensible Firmware Interface Specification
11-36 12/01/02 Version 1.10
EFI_FILE_SYSTEM_VOLUME_LABEL
Summary
Provides a GUID and a data structure that can be used with EFI_FILE.GetInfo() or
EFI_FILE.SetInfo() to get or set information about the system’s volume label.
GUID
#define EFI_FILE_SYSTEM_VOLUME_LABEL_ID \
{ DB47D7D3-FE81-11d3-9A35-0090273FC14D }
Related Definitions
typedef struct {
CHAR16
VolumeLabel[];
} EFI_FILE_SYSTEM_VOLUME_LABEL;
Parameters
VolumeLabel The Null-terminated string that is the volume’s label.
Description
The EFI_FILE_SYSTEM_VOLUME_LABEL data structure is an information structure that can be
obtained on the root directory file handle. The root directory file handle is the file handle first
obtained on the initial call to the
HandleProtocol() function to open the file system interface.
The system volume’s VolumeLabel can be created or modified by calling
EFI_FILE.SetInfo() with an updated VolumeLabel field.