| /** @file |
| EFI MM Configuration Protocol as defined in the PI 1.5 specification. |
| |
| This protocol is used to: |
| 1) report the portions of MMRAM regions which cannot be used for the MMRAM heap. |
| 2) register the MM Foundation entry point with the processor code. The entry |
| point will be invoked by the MM processor entry code. |
| |
| Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> |
| SPDX-License-Identifier: BSD-2-Clause-Patent |
| |
| **/ |
| |
| #ifndef _MM_CONFIGURATION_H_ |
| #define _MM_CONFIGURATION_H_ |
| |
| #include <Pi/PiMmCis.h> |
| |
| #define EFI_MM_CONFIGURATION_PROTOCOL_GUID \ |
| { \ |
| 0x26eeb3de, 0xb689, 0x492e, {0x80, 0xf0, 0xbe, 0x8b, 0xd7, 0xda, 0x4b, 0xa7 } \ |
| } |
| |
| typedef struct _EFI_MM_CONFIGURATION_PROTOCOL EFI_MM_CONFIGURATION_PROTOCOL; |
| |
| /** |
| Register the MM Foundation entry point. |
| |
| This function registers the MM Foundation entry point with the processor code. This entry point |
| will be invoked by the MM Processor entry code. |
| |
| @param[in] This The EFI_MM_CONFIGURATION_PROTOCOL instance. |
| @param[in] MmEntryPoint MM Foundation entry point. |
| |
| @retval EFI_SUCCESS Success to register MM Entry Point. |
| @retval EFI_INVALID_PARAMETER MmEntryPoint is NULL. |
| **/ |
| typedef |
| EFI_STATUS |
| (EFIAPI *EFI_MM_REGISTER_MM_ENTRY)( |
| IN CONST EFI_MM_CONFIGURATION_PROTOCOL *This, |
| IN EFI_MM_ENTRY_POINT MmEntryPoint |
| ); |
| |
| /// |
| /// The EFI MM Configuration Protocol is a mandatory protocol published by a DXE CPU driver to |
| /// indicate which areas within MMRAM are reserved for use by the CPU for any purpose, |
| /// such as stack, save state or MM entry point. |
| /// |
| /// The RegistermmEntry() function allows the MM IPL DXE driver to register the MM |
| /// Foundation entry point with the MM entry vector code. |
| /// |
| struct _EFI_MM_CONFIGURATION_PROTOCOL { |
| /// |
| /// A pointer to an array MMRAM ranges used by the initial MM entry code. |
| /// |
| EFI_MM_RESERVED_MMRAM_REGION *MmramReservedRegions; |
| EFI_MM_REGISTER_MM_ENTRY RegisterMmEntry; |
| }; |
| |
| extern EFI_GUID gEfiMmConfigurationProtocolGuid; |
| |
| #endif |
| |