audk/MdePkg/Include/Guid/FileInfo.h

66 lines
1.9 KiB
C

/** @file
Provides a GUID and a data structure that can be used with EFI_FILE_PROTOCOL.SetInfo()
and EFI_FILE_PROTOCOL.GetInfo() to set or get generic file information.
This GUID is defined in UEFI specification.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __FILE_INFO_H__
#define __FILE_INFO_H__
#define EFI_FILE_INFO_ID \
{ \
0x9576e92, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
}
typedef struct {
///
/// The size of the EFI_FILE_INFO structure, including the Null-terminated FileName string.
///
UINT64 Size;
///
/// The size of the file in bytes.
///
UINT64 FileSize;
///
/// PhysicalSize The amount of physical space the file consumes on the file system volume.
///
UINT64 PhysicalSize;
///
/// The time the file was created.
///
EFI_TIME CreateTime;
///
/// The time when the file was last accessed.
///
EFI_TIME LastAccessTime;
///
/// The time when the file's contents were last modified.
///
EFI_TIME ModificationTime;
///
/// The attribute bits for the file.
///
UINT64 Attribute;
///
/// The Null-terminated name of the file.
///
CHAR16 FileName[1];
} EFI_FILE_INFO;
///
/// The FileName field of the EFI_FILE_INFO data structure is variable length.
/// Whenever code needs to know the size of the EFI_FILE_INFO data structure, it needs to
/// be the size of the data structure without the FileName field. The following macro
/// computes this size correctly no matter how big the FileName array is declared.
/// This is required to make the EFI_FILE_INFO data structure ANSI compilant.
///
#define SIZE_OF_EFI_FILE_INFO OFFSET_OF (EFI_FILE_INFO, FileName)
extern EFI_GUID gEfiFileInfoGuid;
#endif