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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Guid/FileSystemInfo.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Guid/FileSystemInfo.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Guid/FileSystemInfo.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Guid/FileSystemInfo.h new file mode 100644 index 0000000000..f666ae5571 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Guid/FileSystemInfo.h @@ -0,0 +1,63 @@ +/** @file + Provides a GUID and a data structure that can be used with EFI_FILE_PROTOCOL.GetInfo() + or EFI_FILE_PROTOCOL.SetInfo() to get or set information about the system's volume. + This GUID is defined in UEFI specification. + +Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials are licensed and made available under +the terms and conditions of the BSD License that 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. + +**/ + +#ifndef __FILE_SYSTEM_INFO_H__ +#define __FILE_SYSTEM_INFO_H__ + +#define EFI_FILE_SYSTEM_INFO_ID \ + { \ + 0x9576e93, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \ + } + +typedef struct { + /// + /// The size of the EFI_FILE_SYSTEM_INFO structure, including the Null-terminated VolumeLabel string. + /// + UINT64 Size; + /// + /// TRUE if the volume only supports read access. + /// + BOOLEAN ReadOnly; + /// + /// The number of bytes managed by the file system. + /// + UINT64 VolumeSize; + /// + /// The number of available bytes for use by the file system. + /// + UINT64 FreeSpace; + /// + /// The nominal block size by which files are typically grown. + /// + UINT32 BlockSize; + /// + /// The Null-terminated string that is the volume's label. + /// + 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 OFFSET_OF (EFI_FILE_SYSTEM_INFO, VolumeLabel) + +extern EFI_GUID gEfiFileSystemInfoGuid; + +#endif |