Changeset 77662 in vbox for trunk/src/VBox/Devices/EFI/FirmwareNew/MdePkg/Include/Ppi/ReadOnlyVariable2.h

Timestamp:

Mar 12, 2019 12:40:12 PM (6 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

129295

Message:

EFI: First step in UDK2018 merge. Does not build yet.

Location:

trunk/src/VBox/Devices/EFI/FirmwareNew

Files:

• . (modified) (1 prop)
• MdePkg/Include/Ppi/ReadOnlyVariable2.h (modified) (3 diffs)

trunk/src/VBox/Devices/EFI/FirmwareNew/MdePkg/Include/Ppi/ReadOnlyVariable2.h

@@ -3 +3 @@
   This ppi permits read-only access to the UEFI variable store during the PEI phase.
 
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2017, 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.
@@ -42 +42 @@
                                 On return, points to the size of the data returned in Data.
   @param  Data                  Points to the buffer which will hold the returned variable value.
+                                May be NULL with a zero DataSize in order to determine the size of the buffer needed.
 
   @retval EFI_SUCCESS           The variable was read successfully.
-  @retval EFI_NOT_FOUND         The variable could not be found.
+  @retval EFI_NOT_FOUND         The variable was not found.
   @retval EFI_BUFFER_TOO_SMALL  The DataSize is too small for the resulting data.
                                 DataSize is updated with the size required for
@@ -60 +61 @@
   OUT       UINT32                          *Attributes,
   IN OUT    UINTN                           *DataSize,
-  OUT       VOID                            *Data
+  OUT       VOID                            *Data OPTIONAL
   );