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 - 2010, Intel Corporation. All rights reserved.<BR>
7 This program and the accompanying materials are licensed and made available under
8 the terms and conditions of the BSD License that accompanies this distribution.
9 The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php.
11 
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 
15 **/
16 
17 #ifndef __FILE_INFO_H__
18 #define __FILE_INFO_H__
19 
20 #define EFI_FILE_INFO_ID \
21   { \
22     0x9576e92, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
23   }
24 
25 typedef struct {
26   ///
27   /// The size of the EFI_FILE_INFO structure, including the Null-terminated FileName string.
28   ///
29   UINT64    Size;
30   ///
31   /// The size of the file in bytes.
32   ///
33   UINT64    FileSize;
34   ///
35   /// PhysicalSize The amount of physical space the file consumes on the file system volume.
36   ///
37   UINT64    PhysicalSize;
38   ///
39   /// The time the file was created.
40   ///
41   EFI_TIME  CreateTime;
42   ///
43   /// The time when the file was last accessed.
44   ///
45   EFI_TIME  LastAccessTime;
46   ///
47   /// The time when the file's contents were last modified.
48   ///
49   EFI_TIME  ModificationTime;
50   ///
51   /// The attribute bits for the file.
52   ///
53   UINT64    Attribute;
54   ///
55   /// The Null-terminated name of the file.
56   ///
57   CHAR16    FileName[1];
58 } EFI_FILE_INFO;
59 
60 ///
61 /// The FileName field of the EFI_FILE_INFO data structure is variable length.
62 /// Whenever code needs to know the size of the EFI_FILE_INFO data structure, it needs to
63 /// be the size of the data structure without the FileName field.  The following macro
64 /// computes this size correctly no matter how big the FileName array is declared.
65 /// This is required to make the EFI_FILE_INFO data structure ANSI compilant.
66 ///
67 #define SIZE_OF_EFI_FILE_INFO OFFSET_OF (EFI_FILE_INFO, FileName)
68 
69 extern EFI_GUID gEfiFileInfoGuid;
70 
71 #endif
72