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/** @file
The definitions of DMTF Platform Level Data Model (PLDM)
Base Specification.
Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
DMTF Platform Level Data Model (PLDM) Base Specification
Version 1.1.0
https://www.dmtf.org/sites/default/files/standards/documents/DSP0240_1.1.0.pdf
**/
#ifndef PLDM_H_
#define PLDM_H_
#pragma pack(1)
#define PLDM_MESSAGE_HEADER_VERSION 0
///
/// General definitions from Platform Level Data Model (PLDM) Base
/// Specification (DMTF DSP0240)
///
typedef struct {
UINT8 InstanceId : 5; ///< Request instance ID.
UINT8 Reserved : 1; ///< Reserved bit.
UINT8 DatagramBit : 1; ///< used to indicate whether the Instance ID field is
///< being used for tracking and matching requests and
///< responses, or just being used for asynchronous
///< notifications.
UINT8 RequestBit : 1; ///< Request bit.
UINT8 PldmType : 6; ///< PLDM message type.
UINT8 HeaderVersion : 2; ///< Header version.
UINT8 PldmTypeCommandCode; ///< The command code of PLDM message type.
} PLDM_MESSAGE_HEADER;
typedef PLDM_MESSAGE_HEADER PLDM_REQUEST_HEADER;
#define PLDM_MESSAGE_HEADER_IS_REQUEST 1
#define PLDM_MESSAGE_HEADER_IS_RESPONSE 0
#define PLDM_MESSAGE_HEADER_IS_DATAGRAM 1
#define PLDM_MESSAGE_HEADER_INSTANCE_ID_MASK 0x1f
typedef struct {
PLDM_MESSAGE_HEADER PldmHeader;
UINT8 PldmCompletionCode; ///< PLDM completion of response message.
} PLDM_RESPONSE_HEADER;
#pragma pack()
#define PLDM_HEADER_VERSION 0x00
#define PLDM_COMPLETION_CODE_SUCCESS 0x00
#define PLDM_COMPLETION_CODE_ERROR 0x01
#define PLDM_COMPLETION_CODE_ERROR_INVALID_DATA 0x02
#define PLDM_COMPLETION_CODE_ERROR_INVALID_LENGTH 0x03
#define PLDM_COMPLETION_CODE_ERROR_NOT_READY 0x04
#define PLDM_COMPLETION_CODE_ERROR_UNSUPPORTED_PLDM_CMD 0x05
#define PLDM_COMPLETION_CODE_ERROR_INVALID_PLDM_TYPE 0x20
#define PLDM_COMPLETION_CODE_SPECIFIC_START 0x80
#define PLDM_COMPLETION_CODE_SPECIFIC_END 0xff
///
/// Type Code definitions from Platform Level Data Model (PLDM) IDs
/// and Codes Specification (DMTF DSP0245)
/// https://www.dmtf.org/sites/default/files/standards/documents/DSP0245_1.3.0.pdf
///
#define PLDM_TYPE_MESSAGE_CONTROL_AND_DISCOVERY 0x00
#define PLDM_TYPE_SMBIOS 0x01
#define PLDM_TYPE_PLATFORM_MONITORING_AND_CONTROL 0x02
#define PLDM_TYPE_BIOS_CONTROL_AND_CONFIGURATION 0x03
#define PLDM_TRANSFER_FLAG_START 0x01
#define PLDM_TRANSFER_FLAG_MIDDLE 0x02
#define PLDM_TRANSFER_FLAG_END 0x04
#define PLDM_TRANSFER_FLAG_START_AND_END 0x05
#define PLDM_TRANSFER_OPERATION_FLAG_GET_NEXT_PART 0x00
#define PLDM_TRANSFER_OPERATION_FLAG_GET_FIRST_PART 0x01
#endif // PLDM_H_
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