MdeModulePkg/UefiBootManagerLib: Expose *GetLoadOptionBuffer() API

Expose EfiBootManagerGetLoadOptionBuffer() API.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

MdeModulePkg/Include/Library/UefiBootManagerLib.h

@@ -1,7 +1,7 @@
 /** @file
   Provide Boot Manager related library APIs.
 
-Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>
 (C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
@@ -431,6 +431,27 @@ EfiBootManagerGetBootManagerMenu (
   EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
   );
 
+
+/**
+  Get the load option by its device path.
+
+  @param FilePath  The device path pointing to a load option.
+                   It could be a short-form device path.
+  @param FullPath  Return the full device path of the load option after
+                   short-form device path expanding.
+                   Caller is responsible to free it.
+  @param FileSize  Return the load option size.
+
+  @return The load option buffer. Caller is responsible to free the memory.
+**/
+VOID *
+EFIAPI
+EfiBootManagerGetLoadOptionBuffer (
+  IN  EFI_DEVICE_PATH_PROTOCOL          *FilePath,
+  OUT EFI_DEVICE_PATH_PROTOCOL          **FullPath,
+  OUT UINTN                             *FileSize
+  );
+
 /**
   The function enumerates all the legacy boot options, creates them and 
   registers them in the BootOrder variable.

MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c

@@ -586,7 +586,7 @@ BmExpandUsbDevicePath (
 
   for (Index = 0; (Index < HandleCount) && (FileBuffer == NULL); Index++) {
     FullDevicePath = AppendDevicePath (DevicePathFromHandle (Handles[Index]), RemainingDevicePath);
-    FileBuffer = BmGetLoadOptionBuffer (FullDevicePath, FullPath, FileSize);
+    FileBuffer = EfiBootManagerGetLoadOptionBuffer (FullDevicePath, FullPath, FileSize);
     FreePool (FullDevicePath);
   }
 
@@ -851,7 +851,7 @@ BmExpandPartitionDevicePath (
         Status = EfiBootManagerConnectDevicePath (Instance, NULL);
         if (!EFI_ERROR (Status)) {
           TempDevicePath = AppendDevicePath (Instance, NextDevicePathNode (FilePath));
-          FileBuffer = BmGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);
+          FileBuffer = EfiBootManagerGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);
           FreePool (TempDevicePath);
 
           if (FileBuffer != NULL) {
@@ -911,7 +911,7 @@ BmExpandPartitionDevicePath (
       // Find the matched partition device path
       //
       TempDevicePath = AppendDevicePath (BlockIoDevicePath, NextDevicePathNode (FilePath));
-      FileBuffer = BmGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);
+      FileBuffer = EfiBootManagerGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);
       FreePool (TempDevicePath);
 
       if (FileBuffer != NULL) {
@@ -1425,7 +1425,8 @@ BmGetFileBufferFromLoadFiles (
   @return The load option buffer. Caller is responsible to free the memory.
 **/
 VOID *
-BmGetLoadOptionBuffer (
+EFIAPI
+EfiBootManagerGetLoadOptionBuffer (
   IN  EFI_DEVICE_PATH_PROTOCOL          *FilePath,
   OUT EFI_DEVICE_PATH_PROTOCOL          **FullPath,
   OUT UINTN                             *FileSize
@@ -1648,7 +1649,7 @@ EfiBootManagerBoot (
   RamDiskDevicePath = NULL;
   if (DevicePathType (BootOption->FilePath) != BBS_DEVICE_PATH) {
     Status     = EFI_NOT_FOUND;
-    FileBuffer = BmGetLoadOptionBuffer (BootOption->FilePath, &FilePath, &FileSize);
+    FileBuffer = EfiBootManagerGetLoadOptionBuffer (BootOption->FilePath, &FilePath, &FileSize);
     if (FileBuffer != NULL) {
       RamDiskDevicePath = BmGetRamDiskDevicePath (FilePath);
     }

MdeModulePkg/Library/UefiBootManagerLib/BmLoadOption.c

@@ -1281,7 +1281,7 @@ EfiBootManagerProcessLoadOption (
     mBmLoadOptionName[LoadOption->OptionType], LoadOption->OptionNumber
     ));
   ImageHandle = NULL;
-  FileBuffer = BmGetLoadOptionBuffer (LoadOption->FilePath, &FilePath, &FileSize);
+  FileBuffer = EfiBootManagerGetLoadOptionBuffer (LoadOption->FilePath, &FilePath, &FileSize);
   DEBUG_CODE (
     if (FileBuffer != NULL && CompareMem (LoadOption->FilePath, FilePath, GetDevicePathSize (FilePath)) != 0) {
       DEBUG ((EFI_D_INFO, "[Bds] DevicePath expand: "));

MdeModulePkg/Library/UefiBootManagerLib/InternalBm.h

@@ -310,25 +310,6 @@ BmSetVariableAndReportStatusCodeOnError (
   IN VOID       *Data
   );
 
-/**
-  Get the load option by its device path.
-
-  @param FilePath  The device path pointing to a load option.
-                   It could be a short-form device path.
-  @param FullPath  Return the full device path of the load option after
-                   short-form device path expanding.
-                   Caller is responsible to free it.
-  @param FileSize  Return the load option size.
-
-  @return The load option buffer. Caller is responsible to free the memory.
-**/
-VOID *
-BmGetLoadOptionBuffer (
-  IN  EFI_DEVICE_PATH_PROTOCOL          *FilePath,
-  OUT EFI_DEVICE_PATH_PROTOCOL          **FullPath,
-  OUT UINTN                             *FileSize
-  );
-
 /**
   Return whether the PE header of the load option is valid or not.