[PATCH 11/45] MdeModulePkg/DxeCapsuleLibNull: Add ProcessCapsules() interface.


Yao, Jiewen
 

Add ProcessCapsules() interface for DxeCapsuleLibNull.

Cc: Feng Tian <feng.tian@...>
Cc: Star Zeng <star.zeng@...>
Cc: Michael D Kinney <michael.d.kinney@...>
Cc: Liming Gao <liming.gao@...>
Cc: Chao Zhang <chao.b.zhang@...>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@...>
---
MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.c | 47 ++++++++++++++++++--
1 file changed, 44 insertions(+), 3 deletions(-)

diff --git a/MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.c b/MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.c
index fb5c255..0f70e4f 100644
--- a/MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.c
+++ b/MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.c
@@ -1,7 +1,7 @@
/** @file
Null Dxe Capsule Library instance does nothing and returns unsupport status.

-Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2016, 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
which accompanies this distribution. The full text of the license may be found at
@@ -17,7 +17,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
/**
The firmware checks whether the capsule image is supported
by the CapsuleGuid in CapsuleHeader or other specific information in capsule image.
-
+
+ Caution: This function may receive untrusted input.
+
@param CapsuleHeader Point to the UEFI capsule image to be checked.

@retval EFI_UNSUPPORTED Input capsule is not supported by the firmware.
@@ -34,7 +36,9 @@ SupportCapsuleImage (
/**
The firmware specific implementation processes the capsule image
if it recognized the format of this capsule image.
-
+
+ Caution: This function may receive untrusted input.
+
@param CapsuleHeader Point to the UEFI capsule image to be processed.

@retval EFI_UNSUPPORTED Capsule image is not supported by the firmware.
@@ -48,4 +52,41 @@ ProcessCapsuleImage (
return EFI_UNSUPPORTED;
}

+/**
+
+ This routine is called to process capsules.
+
+ Caution: This function may receive untrusted input.
+
+ If the current boot mode is NOT BOOT_ON_FLASH_UPDATE, this routine does nothing.
+ If the current boot mode is BOOT_ON_FLASH_UPDATE, the capsules reported in
+ EFI_HOB_UEFI_CAPSULE are processed. If there is no EFI_HOB_UEFI_CAPSULE, this
+ routine does nothing.
+
+ This routine should be called twice in BDS.
+ 1) The first call must be before EndOfDxe. The system capsules is processed.
+ If device capsule FMP protocols are exposted at this time and device FMP
+ capsule has zero EmbeddedDriverCount, the device capsules are processed.
+ Each individual capsule result is recorded in capsule record variable.
+ System may reset in this function, if reset is required by capsule.
+
+ 2) The second call must be after EndOfDxe and after ConnectAll, so that all
+ device capsule FMP protocols are exposed.
+ The system capsules are skipped. If the device capsules are NOT processed
+ in first call, they are processed here.
+ Each individual capsule result is recorded in capsule record variable.
+ System may reset in this function, if reset is required by capsule.
+
+ @retval EFI_SUCCESS There is no error when processing capsules.
+ @retval EFI_OUT_OF_RESOURCES No enough resource to process capsules.
+
+**/
+EFI_STATUS
+EFIAPI
+ProcessCapsules(
+ VOID
+ )
+{
+ return EFI_UNSUPPORTED;
+}

--
2.7.4.windows.1

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