1 files changed, 127 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tcg2PpVendorLibNull/Tcg2PpVendorLibNull.c b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tcg2PpVendorLibNull/Tcg2PpVendorLibNull.c
new file mode 100644
index 00000000..de3d8374
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tcg2PpVendorLibNull/Tcg2PpVendorLibNull.c
@@ -0,0 +1,127 @@
+/** @file
+  NULL Tcg2 PP Vendor library instance that does not support any vendor specific PPI.
+
+Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/DebugLib.h>
+#include <Library/Tcg2PpVendorLib.h>
+
+/**
+  Check and execute the requested physical presence command.
+
+  This API should be invoked in BIOS boot phase to process pending request.
+
+  Caution: This function may receive untrusted input.
+
+  If OperationRequest < 128, then ASSERT().
+
+  @param[in]      PlatformAuth     platform auth value. NULL means no platform auth change.
+  @param[in]      OperationRequest TPM physical presence operation request.
+  @param[in, out] ManagementFlags  BIOS TPM Management Flags.
+  @param[out]     ResetRequired    If reset is required to vendor settings in effect.
+                                   True, it indicates the reset is required.
+                                   False, it indicates the reset is not required.
+
+  @return TPM Operation Response to OS Environment.
+**/
+UINT32
+EFIAPI
+Tcg2PpVendorLibExecutePendingRequest (
+  IN TPM2B_AUTH             *PlatformAuth,  OPTIONAL
+  IN UINT32                 OperationRequest,
+  IN OUT UINT32             *ManagementFlags,
+  OUT BOOLEAN               *ResetRequired
+  )
+{
+  ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
+  return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;
+}
+
+/**
+  Check if there is a valid physical presence command request.
+
+  This API should be invoked in BIOS boot phase to process pending request.
+
+  Caution: This function may receive untrusted input.
+
+  If OperationRequest < 128, then ASSERT().
+
+  @param[in]      OperationRequest TPM physical presence operation request.
+  @param[in]      ManagementFlags  BIOS TPM Management Flags.
+  @param[out]     RequestConfirmed If the physical presence operation command required user confirm from UI.
+                                   True, it indicates the command doesn't require user confirm.
+                                   False, it indicates the command need user confirm from UI.
+
+  @retval  TRUE        Physical Presence operation command is valid.
+  @retval  FALSE       Physical Presence operation command is invalid.
+**/
+BOOLEAN
+EFIAPI
+Tcg2PpVendorLibHasValidRequest (
+  IN UINT32                 OperationRequest,
+  IN UINT32                 ManagementFlags,
+  OUT BOOLEAN               *RequestConfirmed
+  )
+{
+  ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
+  return FALSE;
+}
+
+/**
+  The callback for TPM vendor specific physical presence which is called for
+  Submit TPM Operation Request to Pre-OS Environment and
+  Submit TPM Operation Request to Pre-OS Environment 2.
+
+  This API should be invoked in OS runtime phase to interface with ACPI method.
+
+  Caution: This function may receive untrusted input.
+
+  If OperationRequest < 128, then ASSERT().
+
+  @param[in]      OperationRequest TPM physical presence operation request.
+  @param[in]      ManagementFlags  BIOS TPM Management Flags.
+  @param[in]      RequestParameter Extra parameter from the passed package.
+
+  @return Return Code for Submit TPM Operation Request to Pre-OS Environment and
+          Submit TPM Operation Request to Pre-OS Environment 2.
+**/
+UINT32
+EFIAPI
+Tcg2PpVendorLibSubmitRequestToPreOSFunction (
+  IN UINT32                 OperationRequest,
+  IN UINT32                 ManagementFlags,
+  IN UINT32                 RequestParameter
+  )
+{
+  ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
+  return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED;
+}
+
+/**
+  The callback for TPM vendor specific physical presence which is called for
+  Get User Confirmation Status for Operation.
+
+  This API should be invoked in OS runtime phase to interface with ACPI method.
+
+  Caution: This function may receive untrusted input.
+
+  If OperationRequest < 128, then ASSERT().
+
+  @param[in]      OperationRequest TPM physical presence operation request.
+  @param[in]      ManagementFlags  BIOS TPM Management Flags.
+
+  @return Return Code for Get User Confirmation Status for Operation.
+**/
+UINT32
+EFIAPI
+Tcg2PpVendorLibGetUserConfirmationStatusFunction (
+  IN UINT32                 OperationRequest,
+  IN UINT32                 ManagementFlags
+  )
+{
+  ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
+  return TCG_PP_GET_USER_CONFIRMATION_NOT_IMPLEMENTED;
+}