diff options
Diffstat (limited to 'MdePkg/Include/Protocol/FileSystemInfo.h')
-rw-r--r-- | MdePkg/Include/Protocol/FileSystemInfo.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/MdePkg/Include/Protocol/FileSystemInfo.h b/MdePkg/Include/Protocol/FileSystemInfo.h new file mode 100644 index 0000000000..f6e7488a08 --- /dev/null +++ b/MdePkg/Include/Protocol/FileSystemInfo.h @@ -0,0 +1,45 @@ +/** @file
+ FileSystemInfo protocol as defined in the EFI 1.0 specification.
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: FileSystemInfo.h
+
+**/
+
+#ifndef __FILE_SYSTEM_INFO_H__
+#define __FILE_SYSTEM_INFO_H__
+
+#define EFI_FILE_SYSTEM_INFO_ID_GUID \
+ { \
+ 0x9576e93, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
+ }
+
+typedef struct {
+ UINT64 Size;
+ BOOLEAN ReadOnly;
+ UINT64 VolumeSize;
+ UINT64 FreeSpace;
+ UINT32 BlockSize;
+ CHAR16 VolumeLabel[1];
+} EFI_FILE_SYSTEM_INFO;
+
+//
+// The VolumeLabel field of the EFI_FILE_SYSTEM_INFO data structure is variable length.
+// Whenever code needs to know the size of the EFI_FILE_SYSTEM_INFO data structure, it needs
+// to be the size of the data structure without the VolumeLable field. The following macro
+// computes this size correctly no matter how big the VolumeLable array is declared.
+// This is required to make the EFI_FILE_SYSTEM_INFO data structure ANSI compilant.
+//
+#define SIZE_OF_EFI_FILE_SYSTEM_INFO EFI_FIELD_OFFSET (EFI_FILE_SYSTEM_INFO, VolumeLabel)
+
+extern EFI_GUID gEfiFileSystemInfoGuid;
+
+#endif
|