projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| d21e5dbb CM |
1 | /** @file\r |
| 2 | This is a special GUID extension Hob to describe SMRAM memory regions.\r | |
| 3 | \r | |
| 4 | This file defines:\r | |
| 5 | * the GUID used to identify the GUID HOB for reserving SMRAM regions.\r | |
| 6 | * the data structure of SMRAM descriptor to describe SMRAM candidate regions\r | |
| 7 | * values of state of SMRAM candidate regions\r | |
| 8 | * the GUID specific data structure of HOB for reserving SMRAM regions.\r | |
| 9 | \r | |
| 10 | Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r | |
| 11 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 12 | \r | |
| 13 | @par Revision Reference:\r | |
| 14 | GUIDs defined in PI SPEC version 1.5.\r | |
| 15 | \r | |
| 16 | **/\r | |
| 17 | \r | |
| 18 | #ifndef _SMRAM_MEMORY_RESERVE_H_\r | |
| 19 | #define _SMRAM_MEMORY_RESERVE_H_\r | |
| 20 | \r | |
| 21 | #define EFI_SMM_SMRAM_MEMORY_GUID \\r | |
| 22 | { \\r | |
| 23 | 0x6dadf1d1, 0xd4cc, 0x4910, {0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d } \\r | |
| 24 | }\r | |
| 25 | \r | |
| 26 | /**\r | |
| 27 | * The GUID extension hob is to describe SMRAM memory regions supported by the platform.\r | |
| 28 | **/\r | |
| 29 | typedef struct {\r | |
| 30 | ///\r | |
| 31 | /// Designates the number of possible regions in the system\r | |
| 32 | /// that can be usable for SMRAM.\r | |
| 33 | ///\r | |
| 2f88bd3a | 34 | UINT32 NumberOfSmmReservedRegions;\r |
| d21e5dbb CM |
35 | ///\r |
| 36 | /// Used throughout this protocol to describe the candidate\r | |
| 37 | /// regions for SMRAM that are supported by this platform.\r | |
| 38 | ///\r | |
| 2f88bd3a | 39 | EFI_SMRAM_DESCRIPTOR Descriptor[1];\r |
| d21e5dbb CM |
40 | } EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;\r |
| 41 | \r | |
| 2f88bd3a | 42 | extern EFI_GUID gEfiSmmSmramMemoryGuid;\r |
| d21e5dbb CM |
43 | \r |
| 44 | #endif\r |