/** @file This file declares Temporary RAM Done PPI. The PPI that provides a service to disable the use of Temporary RAM. Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR> SPDX-License-Identifier: BSD-2-Clause-Patent @par Revision Reference: This PPI is introduced in PI Version 1.2.1. **/ #ifndef __TEMPORARY_RAM_DONE_H__ #define __TEMPORARY_RAM_DONE_H__ #define EFI_PEI_TEMPORARY_RAM_DONE_PPI_GUID \ { 0xceab683c, 0xec56, 0x4a2d, { 0xa9, 0x6, 0x40, 0x53, 0xfa, 0x4e, 0x9c, 0x16 } } /** TemporaryRamDone() disables the use of Temporary RAM. If present, this service is invoked by the PEI Foundation after the EFI_PEI_PERMANANT_MEMORY_INSTALLED_PPI is installed. @retval EFI_SUCCESS Use of Temporary RAM was disabled. @retval EFI_INVALID_PARAMETER Temporary RAM could not be disabled. **/ typedef EFI_STATUS (EFIAPI * EFI_PEI_TEMPORARY_RAM_DONE) ( VOID ); /// /// This is an optional PPI that may be produced by SEC or a PEIM. If present, it provide a service to /// disable the use of Temporary RAM. This service may only be called by the PEI Foundation after the /// transition from Temporary RAM to Permanent RAM is complete. This PPI provides an alternative /// to the Temporary RAM Migration PPI for system architectures that allow Temporary RAM and /// Permanent RAM to be enabled and accessed at the same time with no side effects. /// typedef struct _EFI_PEI_TEMPORARY_RAM_DONE_PPI { EFI_PEI_TEMPORARY_RAM_DONE TemporaryRamDone; } EFI_PEI_TEMPORARY_RAM_DONE_PPI; extern EFI_GUID gEfiTemporaryRamDonePpiGuid; #endif