/** @file\r
- FileSystemInfo guid and data structure as defined in the EFI 1.0 specification.\r
-\r
- Copyright (c) 2006, Intel Corporation \r
- All rights reserved. This program and the accompanying materials \r
- are licensed and made available under the terms and conditions of the BSD License \r
- which accompanies this distribution. The full text of the license may be found at \r
- http://opensource.org/licenses/bsd-license.php \r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
- Module Name: FileSystemInfo.h\r
+ Provides a GUID and a data structure that can be used with EFI_FILE_PROTOCOL.GetInfo()\r
+ or EFI_FILE_PROTOCOL.SetInfo() to get or set information about the system's volume.\r
+ This GUID is defined in UEFI specification.\r
+\r
+Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials are licensed and made available under \r
+the terms and conditions of the BSD License that accompanies this distribution. \r
+The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php. \r
+ \r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
**/\r
\r
#ifndef __FILE_SYSTEM_INFO_H__\r
#define __FILE_SYSTEM_INFO_H__\r
\r
-#define EFI_FILE_SYSTEM_INFO_ID_GUID \\r
+#define EFI_FILE_SYSTEM_INFO_ID \\r
{ \\r
0x9576e93, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \\r
}\r
\r
typedef struct {\r
+ ///\r
+ /// The size of the EFI_FILE_SYSTEM_INFO structure, including the Null-terminated VolumeLabel string.\r
+ ///\r
UINT64 Size;\r
+ ///\r
+ /// TRUE if the volume only supports read access.\r
+ ///\r
BOOLEAN ReadOnly;\r
+ ///\r
+ /// The number of bytes managed by the file system.\r
+ ///\r
UINT64 VolumeSize;\r
+ ///\r
+ /// The number of available bytes for use by the file system.\r
+ ///\r
UINT64 FreeSpace;\r
+ ///\r
+ /// The nominal block size by which files are typically grown.\r
+ ///\r
UINT32 BlockSize;\r
+ ///\r
+ /// The Null-terminated string that is the volume's label.\r
+ ///\r
CHAR16 VolumeLabel[1];\r
} EFI_FILE_SYSTEM_INFO;\r
\r
-//\r
-// The VolumeLabel field of the EFI_FILE_SYSTEM_INFO data structure is variable length.\r
-// Whenever code needs to know the size of the EFI_FILE_SYSTEM_INFO data structure, it needs\r
-// to be the size of the data structure without the VolumeLable field. The following macro\r
-// computes this size correctly no matter how big the VolumeLable array is declared.\r
-// This is required to make the EFI_FILE_SYSTEM_INFO data structure ANSI compilant.\r
-//\r
-#define SIZE_OF_EFI_FILE_SYSTEM_INFO EFI_FIELD_OFFSET (EFI_FILE_SYSTEM_INFO, VolumeLabel)\r
+///\r
+/// The VolumeLabel field of the EFI_FILE_SYSTEM_INFO data structure is variable length.\r
+/// Whenever code needs to know the size of the EFI_FILE_SYSTEM_INFO data structure, it needs\r
+/// to be the size of the data structure without the VolumeLable field. The following macro\r
+/// computes this size correctly no matter how big the VolumeLable array is declared.\r
+/// This is required to make the EFI_FILE_SYSTEM_INFO data structure ANSI compilant.\r
+///\r
+#define SIZE_OF_EFI_FILE_SYSTEM_INFO OFFSET_OF (EFI_FILE_SYSTEM_INFO, VolumeLabel)\r
\r
extern EFI_GUID gEfiFileSystemInfoGuid;\r
\r