PMCI Platform Management Communications Infrastructure

Working Group Chair(s)

  • Hemal Shah, Broadcom Inc.
  • Patrick Caporale, Lenovo

Working Group Description

The Platform Management Communications Infrastructure (PMCI) Working Group defines standards to address “inside the box” communication interfaces between the components of the platform management subsystem. PMCI Working Group Specifications are referenced and used by other industry organizations and specifications.

The group develops the Network Controller Sideband Interface (NC-SI), Management Component Transport Protocol (MCTP), and Platform Level Data Model (PLDM), and Security Protocol and Data Model (SPDM) specifications that provide a comprehensive, common architecture for improved communication between management subsystem components. These specifications enable the monitoring and control of systems independent of the OS state, when the OS is running or an OS is not available (for example, when a system is booting, before the OS has loaded, or when the OS is inoperable).
 
The PMCI WG creates intra-platform manageability standards and technologies, which complement DMTF’s inter-platform standards such as the Redfish API from the Redfish Forum, Common Information Model (CIM) profiles, as well as remote access protocols that are defined in the other DMTF groups.

The SPDM Specification (DSP0274) is designed to be referenced by other standards organizations and developers. SPDM incorporates the input of these external organizations, through the DMTF Alliance Partner process, to help align component authentication, confidentiality, and integrity objects across the industry.

DMTF has an assigned PCI Vendor ID of 0x1AB4 for usage with the MCTP over PCIe VDM specification.

Get Involved

  • Technical work on the NC-SI, MCTP, PLDM, and SPDM standards takes place in the Platform Management Communications Infrastructure (PMCI) Working Group.
  • DMTF members are encouraged to contribute and access the work of the PMCI Working Group via its private, members-only workspace. Non-members, learn more and join DMTF to participate. 
  • DMTF welcomes feedback on our standards, but requires that individuals submitting comments first agree to our DMTF Feedback Policy.

 

Upcoming Workgroup Deliverables

DMTF Standard
Publication Identifier
Document TitleTarget VersionTarget Release Date
DSP0277Secured Messages using SPDM Specification1.1.02022Q2
DSP0222Network Controller Sideband Interface (NC-SI)1.2.02022Q2
DSP2061Accelerator PLDM Modeling1.0.02022Q2
DSP0249PLDM State Set Specification1.2.02022Q2
DSP0280PMCI Test Tools Interface and Design Specifcation1.0.02022Q2
DSP0267PLDM for Firmware Update1.0.02022Q2
DSP0256MCTP Host Interface Specification1.1.02022Q2
DSP2015PMCI Architecture White Paper2.1.0Published
DSP0242PLDM for File Transfer Specification 1.0.02022Q2
DSP0282Memory Mapped BMC Interface1.0.02022Q4
TBDMMBI over MCTP Transport Protocol Binding Specification1.0.02022Q4
DSP0283MCTP over USB Binding Specification1.0.02022Q4
DSP0236MCTP Base Specification2.0.02022Q4

Work in Progress Documents

DSP # Version Title Date Comments Versions
DSP0222 1.2WIP90 Network Controller Sideband Interface (NC-SI) Specification 3 Jun 2022

.pdf file. DMTF Work-in-Progress

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The following specifications are part of the SPDM protocol suite.

DSP # Version Title Date Comments Versions
DSP0277 1.1.0 Secured Messages using SPDM Specification 19 May 2022

.pdf file. DMTF Standard

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DSP0276 1.1.0 Secured Messages using SPDM over MCTP Binding Specification 19 May 2022

.pdf file. DMTF Standard

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DSP0275 1.0.1 Security Protocol and Data Model (SPDM) over MCTP Binding Specification 26 Apr 2022

Standard

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DSP0274 1.2.1 Security Protocol and Data Model (SPDM) Specification 23 Jun 2022

.pdf file. DMTF Standard

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DSP2058 1.1.0 Security Protocol and Data Model (SPDM) Architecture White Paper 4 Feb 2022

.pdf file. DMTF Informational

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The following specifications are part of the MCTP protocol suite.

DSP # Version Title Date Comments Versions
DSP0281 1.0.0 CXL™ Type 3 Device Component Command Interface over MCTP Binding Specification 28 Dec 2021

.pdf file. DMTF Standard

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DSP0239 1.9.0 Management Component Transport Protocol (MCTP) IDs and Codes Specification 3 Jan 2022

.pdf file. DMTF Standard

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DSP0238 1.2.0 MCTP PCIe VDM Transport Binding Specification 18 Apr 2021

.pdf file. DMTF Standard

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DSP0237 1.2.0 Management Component Transport Protocol (MCTP) SMBus/I2C Transport Binding Specification 6 Apr 2020

.pdf file. DMTF Standard

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DSP0236 1.3.1 Management Component Transport Protocol (MCTP) Base Specification 4 Sep 2019

.pdf file. DMTF Standard

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DSP0235 1.0.1 NVMe™ (NVMe Express™) Management Messages over MCTP Binding Specification 3 Aug 2018

.pdf file. DMTF Standard

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DSP0234 1.0.0 CXL™ Fabric Manager API over MCTP Binding Specification 25 May 2021

.pdf file. DMTF Standard

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DSP0233 1.0.0 Management Component Transport Protocol (MCTP) I3C Transport Binding Specification 24 Jun 2021

.pdf file. DMTF Standard

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DSP2016 1.0.0 Management Component Transport Protocol (MCTP) Overview White Paper 8 Jul 2007

.pdf file, DMTF Informational

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The following specifications are part of the NC-SI protocol suite.

DSP # Version Title Date Comments Versions
DSP0261 1.2.3 NC-SI over MCTP Binding Specification 25 May 2021

.pdf file. DMTF Standard

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DSP0222 1.1.1 Network Controller Sideband Interface (NC-SI) Specification 25 May 2021

.pdf file. DMTF Standard

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DSP2037 1.0.0 MCTP Packets and NC-SI over MCTP Overview 20 Feb 2014

.pdf file. DMTF Informational

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The following specifications are part of the PLDM protocol suite.

DSP # Version Title Date Comments Versions
DSP0267 1.1.0 Platform Level Data Model (PLDM) for Firmware Update Specification 4 Dec 2019

.pdf file. DMTF Standard

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DSP0257 1.0.1 Platform Level Data Model (PLDM) for FRU Data Specification 3 Jan 2022

.pdf file. DMTF Standard

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DSP0249 1.1.0 Platform Level Data Model (PLDM) State Set Specification 3 Mar 2020

.pdf file. DMTF Standard

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DSP0248 1.2.1 Platform Level Data Model (PLDM) for Platform Monitoring and Control Specification 28 Jul 2021

.pdf file. DMTF Standard

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DSP0247 1.0.0 Platform Level Data Model (PLDM) for BIOS Control and Configuration Specification 23 Apr 2009

.pdf file, DMTF Standard

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DSP0246 1.0.1 Platform Level Data Model (PLDM) for SMBIOS Transfer Specification 11 Dec 2009

.pdf file, DMTF Standard

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DSP0245 1.3.0 Platform Level Data Model (PLDM) IDs and Codes Specification 28 Nov 2018

.pdf file. DMTF Standard

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DSP0241 1.0.0 Platform Level Data Model (PLDM) Over MCTP Binding Specification 23 Apr 2009

.pdf file, DMTF Standard

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DSP0240 1.1.0 PLDM Base Specification 11 Feb 2021

.pdf file. DMTF Standard

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DSP0218 1.1.1 Platform Level Data Model (PLDM) for Redfish Device Enablement 2 Nov 2021

.pdf file. DMTF Standard

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DSP2054 1.0.0 PLDM NIC Modeling 18 Dec 2019

.pdf file. DMTF Informational

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White Papers and Technical Notes

DSP # Version Title Date Comments Versions
DSP2058 1.1.0 Security Protocol and Data Model (SPDM) Architecture White Paper 4 Feb 2022

.pdf file. DMTF Informational

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DSP2054 1.0.0 PLDM NIC Modeling 18 Dec 2019

.pdf file. DMTF Informational

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DSP2037 1.0.0 MCTP Packets and NC-SI over MCTP Overview 20 Feb 2014

.pdf file. DMTF Informational

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DSP2016 1.0.0 Management Component Transport Protocol (MCTP) Overview White Paper 8 Jul 2007

.pdf file, DMTF Informational

View
DSP2015 2.1.0 Platform Management Communications Infrastructure (PMCI) Architecture White Paper 13 Apr 2022

Informational

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