1 /** @file 2 Provides a GUID and a data structure that can be used with EFI_FILE_PROTOCOL.SetInfo() 3 and EFI_FILE_PROTOCOL.GetInfo() to set or get generic file information. 4 This GUID is defined in UEFI specification. 5 6 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> 7 SPDX-License-Identifier: BSD-2-Clause-Patent 8 9 **/ 10 11 #ifndef __FILE_INFO_H__ 12 #define __FILE_INFO_H__ 13 14 #define EFI_FILE_INFO_ID \ 15 { \ 16 0x9576e92, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \ 17 } 18 19 typedef struct { 20 /// 21 /// The size of the EFI_FILE_INFO structure, including the Null-terminated FileName string. 22 /// 23 UINT64 Size; 24 /// 25 /// The size of the file in bytes. 26 /// 27 UINT64 FileSize; 28 /// 29 /// PhysicalSize The amount of physical space the file consumes on the file system volume. 30 /// 31 UINT64 PhysicalSize; 32 /// 33 /// The time the file was created. 34 /// 35 EFI_TIME CreateTime; 36 /// 37 /// The time when the file was last accessed. 38 /// 39 EFI_TIME LastAccessTime; 40 /// 41 /// The time when the file's contents were last modified. 42 /// 43 EFI_TIME ModificationTime; 44 /// 45 /// The attribute bits for the file. 46 /// 47 UINT64 Attribute; 48 /// 49 /// The Null-terminated name of the file. 50 /// For a root directory, the name is an empty string. 51 /// 52 CHAR16 FileName[1]; 53 } EFI_FILE_INFO; 54 55 /// 56 /// The FileName field of the EFI_FILE_INFO data structure is variable length. 57 /// Whenever code needs to know the size of the EFI_FILE_INFO data structure, it needs to 58 /// be the size of the data structure without the FileName field. The following macro 59 /// computes this size correctly no matter how big the FileName array is declared. 60 /// This is required to make the EFI_FILE_INFO data structure ANSI compilant. 61 /// 62 #define SIZE_OF_EFI_FILE_INFO OFFSET_OF (EFI_FILE_INFO, FileName) 63 64 extern EFI_GUID gEfiFileInfoGuid; 65 66 #endif 67