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MdeModulePkg: Drop VarLock from RuntimeDxe variable driver

Browse Source 
https://bugzilla.tianocore.org/show_bug.cgi?id=2522

Now that everything should be moved to
VariablePolicy, drop support for the
deprecated VarLock SMI interface and
associated functions from variable RuntimeDxe.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Bret Barkelew <brbarkel@microsoft.com>
Signed-off-by: Bret Barkelew <brbarkel@microsoft.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
Acked-by: Jian J Wang <jian.j.wang@intel.com>
This commit is contained in:
Bret Barkelew
2020-11-09 14:45:22 +08:00
committed by mergify[bot]
parent 98ee0c68a2
commit 124b3f9289
5 changed files with 75 additions and 48 deletions
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49
MdeModulePkg/Universal/Variable/RuntimeDxe/VarCheck.c
View File

@@ -3,60 +3,13 @@
and variable lock protocol based on VarCheckLib.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "Variable.h"
/**
Mark a variable that will become read-only after leaving the DXE phase of execution.
Write request coming from SMM environment through EFI_SMM_VARIABLE_PROTOCOL is allowed.
@param[in] This The VARIABLE_LOCK_PROTOCOL instance.
@param[in] VariableName A pointer to the variable name that will be made read-only subsequently.
@param[in] VendorGuid A pointer to the vendor GUID that will be made read-only subsequently.
@retval EFI_SUCCESS The variable specified by the VariableName and the VendorGuid was marked
as pending to be read-only.
@retval EFI_INVALID_PARAMETER VariableName or VendorGuid is NULL.
Or VariableName is an empty string.
@retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has
already been signaled.
@retval EFI_OUT_OF_RESOURCES There is not enough resource to hold the lock request.
**/
EFI_STATUS
EFIAPI
VariableLockRequestToLock (
IN CONST EDKII_VARIABLE_LOCK_PROTOCOL *This,
IN CHAR16 *VariableName,
IN EFI_GUID *VendorGuid
)
{
EFI_STATUS Status;
VAR_CHECK_VARIABLE_PROPERTY Property;
AcquireLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
Status = VarCheckLibVariablePropertyGet (VariableName, VendorGuid, &Property);
if (!EFI_ERROR (Status)) {
Property.Property |= VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY;
} else {
Property.Revision = VAR_CHECK_VARIABLE_PROPERTY_REVISION;
Property.Property = VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY;
Property.Attributes = 0;
Property.MinSize = 1;
Property.MaxSize = MAX_UINTN;
}
Status = VarCheckLibVariablePropertySet (VariableName, VendorGuid, &Property);
DEBUG ((EFI_D_INFO, "[Variable] Lock: %g:%s %r\n", VendorGuid, VariableName, Status));
ReleaseLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
return Status;
}
/**
Register SetVariable check handler.