Intel Extensible Firmware Interface, Specification

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File System Protocol
Version 1.02 12/12/00 205
ModificationTime
The time when the file’s contents were last modified.
Attribute
The attribute bits for the file. See “Related Definitions”.
FileName
The Null-terminated Unicode name of the file.
Description
The
EFI_FILE_INFO
data structure supports
GetInfo()
and
SetInfo()
requests. In the
case of
SetInfo()
the following additional rules apply:
•
On directories, the file size is determined by the contents of the directory and cannot be
changed by setting
FileSize
. On directories,
FileSize
is ignored during a
SetInfo()
.
•
The
PhysicalSize
is determined by the
FileSize
and cannot be changed. This value is
ignored during a
SetInfo()
request.
•
The
EFI_FILE_DIRECTORY
attribute bit cannot be changed. It must match the file’s actual
type.
•
A value of zero in
CreateTime
,
LastAccess
, or
ModificationTime
causes the fields
to be ignored (and not updated).