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