| 1 | /** @file
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| 2 | SmmLockBox guid header file.
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| 3 |
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| 4 | Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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| 5 |
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| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 7 |
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| 8 | **/
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| 9 |
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| 10 | #ifndef _SMM_LOCK_BOX_GUID_H_
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| 11 | #define _SMM_LOCK_BOX_GUID_H_
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| 12 |
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| 13 | #define EFI_SMM_LOCK_BOX_COMMUNICATION_GUID \
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| 14 | {0x2a3cfebd, 0x27e8, 0x4d0a, {0x8b, 0x79, 0xd6, 0x88, 0xc2, 0xa3, 0xe1, 0xc0}}
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| 15 |
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| 16 | //
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| 17 | // Below data structure is used for communication between PEI/DXE to SMM.
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| 18 | //
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| 19 |
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| 20 | #define EFI_SMM_LOCK_BOX_COMMAND_SAVE 0x1
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| 21 | #define EFI_SMM_LOCK_BOX_COMMAND_UPDATE 0x2
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| 22 | #define EFI_SMM_LOCK_BOX_COMMAND_RESTORE 0x3
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| 23 | #define EFI_SMM_LOCK_BOX_COMMAND_SET_ATTRIBUTES 0x4
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| 24 | #define EFI_SMM_LOCK_BOX_COMMAND_RESTORE_ALL_IN_PLACE 0x5
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| 25 |
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| 26 | typedef struct {
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| 27 | UINT32 Command;
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| 28 | UINT32 DataLength;
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| 29 | UINT64 ReturnStatus;
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| 30 | } EFI_SMM_LOCK_BOX_PARAMETER_HEADER;
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| 31 |
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| 32 | typedef struct {
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| 33 | EFI_SMM_LOCK_BOX_PARAMETER_HEADER Header;
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| 34 | GUID Guid;
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| 35 | PHYSICAL_ADDRESS Buffer;
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| 36 | UINT64 Length;
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| 37 | } EFI_SMM_LOCK_BOX_PARAMETER_SAVE;
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| 38 |
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| 39 | typedef struct {
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| 40 | EFI_SMM_LOCK_BOX_PARAMETER_HEADER Header;
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| 41 | GUID Guid;
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| 42 | UINT64 Offset;
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| 43 | PHYSICAL_ADDRESS Buffer;
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| 44 | UINT64 Length;
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| 45 | } EFI_SMM_LOCK_BOX_PARAMETER_UPDATE;
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| 46 |
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| 47 | typedef struct {
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| 48 | EFI_SMM_LOCK_BOX_PARAMETER_HEADER Header;
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| 49 | GUID Guid;
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| 50 | PHYSICAL_ADDRESS Buffer;
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| 51 | UINT64 Length;
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| 52 | } EFI_SMM_LOCK_BOX_PARAMETER_RESTORE;
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| 53 |
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| 54 | typedef struct {
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| 55 | EFI_SMM_LOCK_BOX_PARAMETER_HEADER Header;
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| 56 | GUID Guid;
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| 57 | UINT64 Attributes;
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| 58 | } EFI_SMM_LOCK_BOX_PARAMETER_SET_ATTRIBUTES;
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| 59 |
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| 60 | typedef struct {
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| 61 | EFI_SMM_LOCK_BOX_PARAMETER_HEADER Header;
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| 62 | } EFI_SMM_LOCK_BOX_PARAMETER_RESTORE_ALL_IN_PLACE;
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| 63 |
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| 64 | extern EFI_GUID gEfiSmmLockBoxCommunicationGuid;
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| 65 |
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| 66 | #endif
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