BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=1482
Add a new function to support Capsule-on-Disk feature.
This function is used to get next full DevicePath from a load option.
Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Hao Wu <hao.a...@intel.com>
Cc: Zhang Chao B <chao.b.zh...@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chen A Chen <chen.a.c...@intel.com>
Reviewed-by: Jian J Wang <jian.j.w...@intel.com>
---
MdeModulePkg/Include/Library/UefiBootManagerLib.h | 21 +++++++++++++++++++-
MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c | 24 ++++++++++++++++++++++-
2 files changed, 43 insertions(+), 2 deletions(-)
diff --git a/MdeModulePkg/Include/Library/UefiBootManagerLib.h
b/MdeModulePkg/Include/Library/UefiBootManagerLib.h
index bfc0cb86f8..64347ff160 100644
--- a/MdeModulePkg/Include/Library/UefiBootManagerLib.h
+++ b/MdeModulePkg/Include/Library/UefiBootManagerLib.h
@@ -1,7 +1,7 @@
/** @file
Provide Boot Manager related library APIs.
-Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2011 - 2019, 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
@@ -445,6 +445,25 @@ EfiBootManagerGetBootManagerMenu (
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
);
+/**
+ Get the next possible full path pointing to the load option.
+ The routine doesn't guarantee the returned full path points to an existing
+ file, and it also doesn't guarantee the existing file is a valid load option.
+ BmGetNextLoadOptionBuffer() guarantees.
+
+ @param FilePath The device path pointing to a load option.
+ It could be a short-form device path.
+ @param FullPath The full path returned by the routine in last call.
+ Set to NULL in first call.
+
+ @return The next possible full path pointing to the load option.
+ Caller is responsible to free the memory.
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EfiBootManagerGetNextFullDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *FullPath
+ );
/**
Get the load option by its device path.
diff --git a/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
b/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
index 6a23477eb8..684d7b8b1b 100644
--- a/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
+++ b/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
@@ -1,7 +1,7 @@
/** @file
Library functions which relates with booting.
-Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2011 - 2019, 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
@@ -2461,3 +2461,25 @@ EfiBootManagerGetBootManagerMenu (
}
}
+/**
+ Get the next possible full path pointing to the load option.
+ The routine doesn't guarantee the returned full path points to an existing
+ file, and it also doesn't guarantee the existing file is a valid load option.
+ BmGetNextLoadOptionBuffer() guarantees.
+
+ @param FilePath The device path pointing to a load option.
+ It could be a short-form device path.
+ @param FullPath The full path returned by the routine in last call.
+ Set to NULL in first call.
+
+ @return The next possible full path pointing to the load option.
+ Caller is responsible to free the memory.
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EfiBootManagerGetNextFullDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *FullPath
+ )
+{
+ return BmGetNextLoadOptionDevicePath(FilePath, FullPath);
+}
--
2.16.2.windows.1
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