1 files changed, 102 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Variable/RuntimeDxe/VarCheck.c b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Variable/RuntimeDxe/VarCheck.c
new file mode 100644
index 00000000..049f62ae
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Variable/RuntimeDxe/VarCheck.c
@@ -0,0 +1,102 @@
+/** @file
+  Implementation functions and structures for var check protocol
+  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"
+
+/**
+  Register SetVariable check handler.
+
+  @param[in] Handler            Pointer to check handler.
+
+  @retval EFI_SUCCESS           The SetVariable check handler was registered successfully.
+  @retval EFI_INVALID_PARAMETER Handler is NULL.
+  @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 for the SetVariable check handler register request.
+  @retval EFI_UNSUPPORTED       This interface is not implemented.
+                                For example, it is unsupported in VarCheck protocol if both VarCheck and SmmVarCheck protocols are present.
+
+**/
+EFI_STATUS
+EFIAPI
+VarCheckRegisterSetVariableCheckHandler (
+  IN VAR_CHECK_SET_VARIABLE_CHECK_HANDLER   Handler
+  )
+{
+  EFI_STATUS    Status;
+
+  AcquireLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
+  Status = VarCheckLibRegisterSetVariableCheckHandler (Handler);
+  ReleaseLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
+
+  return Status;
+}
+
+/**
+  Variable property set.
+
+  @param[in] Name               Pointer to the variable name.
+  @param[in] Guid               Pointer to the vendor GUID.
+  @param[in] VariableProperty   Pointer to the input variable property.
+
+  @retval EFI_SUCCESS           The property of variable specified by the Name and Guid was set successfully.
+  @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string,
+                                or the fields of VariableProperty are not valid.
+  @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 for the variable property set request.
+
+**/
+EFI_STATUS
+EFIAPI
+VarCheckVariablePropertySet (
+  IN CHAR16                         *Name,
+  IN EFI_GUID                       *Guid,
+  IN VAR_CHECK_VARIABLE_PROPERTY    *VariableProperty
+  )
+{
+  EFI_STATUS    Status;
+
+  AcquireLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
+  Status = VarCheckLibVariablePropertySet (Name, Guid, VariableProperty);
+  ReleaseLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
+
+  return Status;
+}
+
+/**
+  Variable property get.
+
+  @param[in]  Name              Pointer to the variable name.
+  @param[in]  Guid              Pointer to the vendor GUID.
+  @param[out] VariableProperty  Pointer to the output variable property.
+
+  @retval EFI_SUCCESS           The property of variable specified by the Name and Guid was got successfully.
+  @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string.
+  @retval EFI_NOT_FOUND         The property of variable specified by the Name and Guid was not found.
+
+**/
+EFI_STATUS
+EFIAPI
+VarCheckVariablePropertyGet (
+  IN CHAR16                         *Name,
+  IN EFI_GUID                       *Guid,
+  OUT VAR_CHECK_VARIABLE_PROPERTY   *VariableProperty
+  )
+{
+  EFI_STATUS    Status;
+
+  AcquireLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
+  Status = VarCheckLibVariablePropertyGet (Name, Guid, VariableProperty);
+  ReleaseLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
+
+  return Status;
+}
+