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MdeModulePkg/VariableStandaloneMm: Notify variable write ready in MM

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In Standalone MM, there is no notification to MM drivers that variable
write is ready. Install gSmmVariableWriteGuid into MM handle database
for the notification.

Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Ray Ni <ray.ni@intel.com>
Signed-off-by: Wei6 Xu <wei6.xu@intel.com>
This commit is contained in:
Wei6 Xu 2024-09-02 10:06:18 +08:00 committed by Liming Gao
parent af15e4535d
commit 91853ca6a5
2 changed files with 14 additions and 0 deletions
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13
MdeModulePkg/Universal/Variable/RuntimeDxe/VariableStandaloneMm.c
View File

@ -7,6 +7,8 @@ Copyright (c) 2018, Linaro, Ltd. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent SPDX-License-Identifier: BSD-2-Clause-Patent
**/ **/
#include <Library/MmServicesTableLib.h>
#include <Library/StandaloneMmMemLib.h> #include <Library/StandaloneMmMemLib.h>
#include "Variable.h" #include "Variable.h"
@ -67,6 +69,17 @@ VariableNotifySmmWriteReady (
VOID VOID
) )
{ {
EFI_STATUS Status;
EFI_HANDLE Handle;
Handle = NULL;
Status = gMmst->MmInstallProtocolInterface (
&Handle,
&gSmmVariableWriteGuid,
EFI_NATIVE_INTERFACE,
NULL
);
ASSERT_EFI_ERROR (Status);
} }
/** /**

1
MdeModulePkg/Universal/Variable/RuntimeDxe/VariableStandaloneMm.inf
View File

@ -115,6 +115,7 @@
gEfiMemoryOverwriteControlDataGuid ## SOMETIMES_CONSUMES ## Variable:L"MemoryOverwriteRequestControl" gEfiMemoryOverwriteControlDataGuid ## SOMETIMES_CONSUMES ## Variable:L"MemoryOverwriteRequestControl"
gEfiMemoryOverwriteRequestControlLockGuid ## SOMETIMES_PRODUCES ## Variable:L"MemoryOverwriteRequestControlLock" gEfiMemoryOverwriteRequestControlLockGuid ## SOMETIMES_PRODUCES ## Variable:L"MemoryOverwriteRequestControlLock"
gSmmVariableWriteGuid ## PRODUCES ## GUID # Install protocol
gEfiSystemNvDataFvGuid ## CONSUMES ## GUID gEfiSystemNvDataFvGuid ## CONSUMES ## GUID
gEdkiiFaultTolerantWriteGuid ## SOMETIMES_CONSUMES ## HOB gEdkiiFaultTolerantWriteGuid ## SOMETIMES_CONSUMES ## HOB