From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 .../Variable/RuntimeDxe/PrivilegePolymorphic.h     | 157 +++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h

(limited to 'roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h')

diff --git a/roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h b/roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h
new file mode 100644
index 000000000..2f5695f0e
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h
@@ -0,0 +1,157 @@
+/** @file
+  Polymorphic functions that are called from both the privileged driver (i.e.,
+  the DXE_SMM variable module) and the non-privileged drivers (i.e., one or
+  both of the DXE_RUNTIME variable modules).
+
+  Each of these functions has two implementations, appropriate for privileged
+  vs. non-privileged driver code.
+
+  Copyright (c) 2017, Red Hat, Inc.<BR>
+  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#ifndef _PRIVILEGE_POLYMORPHIC_H_
+#define _PRIVILEGE_POLYMORPHIC_H_
+
+#include <Uefi/UefiBaseType.h>
+
+/**
+  SecureBoot Hook for auth variable update.
+
+  @param[in] VariableName                 Name of Variable to be found.
+  @param[in] VendorGuid                   Variable vendor GUID.
+**/
+VOID
+EFIAPI
+SecureBootHook (
+  IN CHAR16                                 *VariableName,
+  IN EFI_GUID                               *VendorGuid
+  );
+
+/**
+  Initialization for MOR Control Lock.
+
+  @retval EFI_SUCCESS     MorLock initialization success.
+  @return Others          Some error occurs.
+**/
+EFI_STATUS
+MorLockInit (
+  VOID
+  );
+
+/**
+  Delayed initialization for MOR Control Lock at EndOfDxe.
+
+  This function performs any operations queued by MorLockInit().
+**/
+VOID
+MorLockInitAtEndOfDxe (
+  VOID
+  );
+
+/**
+  This service is an MOR/MorLock checker handler for the SetVariable().
+
+  @param[in]  VariableName the name of the vendor's variable, as a
+                           Null-Terminated Unicode String
+  @param[in]  VendorGuid   Unify identifier for vendor.
+  @param[in]  Attributes   Attributes bitmask to set for the variable.
+  @param[in]  DataSize     The size in bytes of Data-Buffer.
+  @param[in]  Data         Point to the content of the variable.
+
+  @retval  EFI_SUCCESS            The MOR/MorLock check pass, and Variable
+                                  driver can store the variable data.
+  @retval  EFI_INVALID_PARAMETER  The MOR/MorLock data or data size or
+                                  attributes is not allowed for MOR variable.
+  @retval  EFI_ACCESS_DENIED      The MOR/MorLock is locked.
+  @retval  EFI_ALREADY_STARTED    The MorLock variable is handled inside this
+                                  function. Variable driver can just return
+                                  EFI_SUCCESS.
+**/
+EFI_STATUS
+SetVariableCheckHandlerMor (
+  IN CHAR16     *VariableName,
+  IN EFI_GUID   *VendorGuid,
+  IN UINT32     Attributes,
+  IN UINTN      DataSize,
+  IN VOID       *Data
+  );
+
+/**
+  This service is consumed by the variable modules to place a barrier to stop
+  speculative execution.
+
+  Ensures that no later instruction will execute speculatively, until all prior
+  instructions have completed.
+
+**/
+VOID
+VariableSpeculationBarrier (
+  VOID
+  );
+
+/**
+  Notify the system that the SMM variable driver is ready.
+**/
+VOID
+VariableNotifySmmReady (
+  VOID
+  );
+
+/**
+  Notify the system that the SMM variable write driver is ready.
+**/
+VOID
+VariableNotifySmmWriteReady (
+  VOID
+  );
+
+/**
+  Variable Driver main entry point. The Variable driver places the 4 EFI
+  runtime services in the EFI System Table and installs arch protocols
+  for variable read and write services being available. It also registers
+  a notification function for an EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
+
+  @retval EFI_SUCCESS       Variable service successfully initialized.
+**/
+EFI_STATUS
+EFIAPI
+MmVariableServiceInitialize (
+  VOID
+  );
+
+/**
+  This function checks if the buffer is valid per processor architecture and
+  does not overlap with SMRAM.
+
+  @param Buffer The buffer start address to be checked.
+  @param Length The buffer length to be checked.
+
+  @retval TRUE  This buffer is valid per processor architecture and does not
+                overlap with SMRAM.
+  @retval FALSE This buffer is not valid per processor architecture or overlaps
+                with SMRAM.
+**/
+BOOLEAN
+VariableSmmIsBufferOutsideSmmValid (
+  IN EFI_PHYSICAL_ADDRESS  Buffer,
+  IN UINT64                Length
+  );
+
+/**
+  Whether the TCG or TCG2 protocols are installed in the UEFI protocol database.
+  This information is used by the MorLock code to infer whether an existing
+  MOR variable is legitimate or not.
+
+  @retval TRUE  Either the TCG or TCG2 protocol is installed in the UEFI
+                protocol database
+  @retval FALSE Neither the TCG nor the TCG2 protocol is installed in the UEFI
+                protocol database
+**/
+BOOLEAN
+VariableHaveTcgProtocols (
+  VOID
+  );
+
+#endif
-- 
cgit