X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EmbeddedPkg%2FInclude%2FLibrary%2FEfiFileLib.h;h=033375cea04011bc85e1a4edc1c768e0321eeaa3;hp=992d326997648929fcedad6a2f51ec550bae9b3c;hb=7ca9e5a4010b0e16231173dfc1918685ffc3a1dd;hpb=2ef2b01e07c02db339f34004445734a2dbdd80e1

diff --git a/EmbeddedPkg/Include/Library/EfiFileLib.h b/EmbeddedPkg/Include/Library/EfiFileLib.h
index 992d326997..033375cea0 100644
--- a/EmbeddedPkg/Include/Library/EfiFileLib.h
+++ b/EmbeddedPkg/Include/Library/EfiFileLib.h
@@ -2,10 +2,10 @@
   Library functions that perform file IO. Memory buffer, file system, and 
   fimrware volume operations are supproted. 
 
-  Copyright (c) 2007, Intel Corporation<BR>
-  Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
+  Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
+  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
 
-  All rights reserved. This program and the accompanying materials
+  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
@@ -87,12 +87,14 @@ typedef struct {
   EFI_FV_FILE_ATTRIBUTES        FvAttributes;     
 
   EFI_PHYSICAL_ADDRESS          FvStart;          
-  UINTN                         FvSize;           
+  UINTN                         FvSize;      
+  UINTN                         FvHeaderSize;
 
   EFI_FILE                      *FsFileHandle;    // Information valid for Fs#:
   EFI_FILE_SYSTEM_INFO          *FsInfo;
   EFI_FILE_INFO                 *FsFileInfo;
-  EFI_BLOCK_IO_MEDIA            FsBlockIoMedia;   // Information valid for Fs#: or B#:
+  EFI_BLOCK_IO_MEDIA            *FsBlockIoMedia;  // Information valid for Fs#: or B#:
+  EFI_BLOCK_IO_PROTOCOL         *FsBlockIo;       // Information valid for Fs#: or B#:
 
   UINTN                         DiskOffset;       // Information valid for B#:
 
@@ -116,12 +118,12 @@ typedef enum {
 
 /**
   Open a device named by PathName. The PathName includes a device name and 
-  path seperated by a :. See file header for more details on the PathName 
+  path separated by a :. See file header for more details on the PathName
   syntax. There is no checking to prevent a file from being opened more than
   one type. 
 
   SectionType is only used to open an FV. Each file in an FV contains multiple
-  secitons and only the SectionType section is opened. 
+  sections and only the SectionType section is opened.
 
   For any file that is opened with EfiOpen() must be closed with EfiClose().
 
@@ -197,7 +199,7 @@ EfiTell (
 
 
 /**
-  Seek to the Offset locaiton in the file. LoadFile and FV device types do
+  Seek to the Offset location in the file. LoadFile and FV device types do
   not support EfiSeek(). It is not possible to grow the file size using 
   EfiSeek().
   
@@ -212,7 +214,7 @@ EfiTell (
 
 
   @return EFI_INVALID_PARAMETER  Stream is not an Open File
-  @return EFI_UNSUPPORTED        LoadFile and FV doe not support Seek
+  @return EFI_UNSUPPORTED        LoadFile and FV does not support Seek
   @return EFI_NOT_FOUND          Seek past the end of the file.
   @return EFI_SUCCESS            Steam closed
 
@@ -226,7 +228,7 @@ EfiSeek (
 
 
 /**
-  Read BufferSize bytes from the current locaiton in the file. For load file
+  Read BufferSize bytes from the current location in the file. For load file
   and FV case you must read the entire file. 
 
   @param  Stream      Open File Handle
@@ -253,7 +255,7 @@ EfiRead (
   Read the entire file into a buffer. This routine allocates the buffer and
   returns it to the user full of the read data. 
 
-  This is very useful for load flie where it's hard to know how big the buffer
+  This is very useful for load file where it's hard to know how big the buffer
   must be.
 
   @param  Stream      Open File Handle
@@ -311,5 +313,38 @@ UINTN
 EfiGetDeviceCounts (
   IN  EFI_OPEN_FILE_TYPE     Type
   );
+  
+
+/**
+  Set the Current Working Directory (CWD). If a call is made to EfiOpen () and
+  the path does not contain a device name, The CWD is prepended to the path.
+  
+  @param  Cwd     Current Working Directory to set
+
+
+  @return EFI_SUCCESS           CWD is set
+  @return EFI_INVALID_PARAMETER Cwd is not a valid device:path
+
+**/
+EFI_STATUS
+EfiSetCwd (
+  IN  CHAR8   *Cwd
+  );  
+
+/**
+  Set the Current Working Directory (CWD). If a call is made to EfiOpen () and
+  the path does not contain a device name, The CWD is prepended to the path.
+  
+  @param  Cwd     Current Working Directory 
+
+
+  @return NULL    No CWD set
+  @return 'other' malloc'ed buffer contains CWD.
+  
+**/
+CHAR8 *
+EfiGetCwd (
+  VOID
+  );  
 
 #endif