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) 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 other standards such as the Redfish API from the Redfish Forum, Security Protocol and Data Models (SPDM) from the SPDM WG, Common Information Model (CIM) profiles, as well as remote access protocols that are defined in the other DMTF groups.
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, and PLDM 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 Title | Target Version | Target Release Date |
---|---|---|---|
DSP0218 | PLDM for Redfish Device Enablement | 1.2.0 | Published |
DSP0240 | PLDM Base Specification | 1.2.0 | Published |
DSP0249 | PLDM State Set Specification | 1.2.0 | Published |
DSP0256 | MCTP Host Interface Specification | 2.0.0 | 2024Q4 |
DSP0242 | PLDM for File Transfer Specification | 1.0.0 | Published |
DSP0290 | MCTP UCIe™ Transport Binding Specification | 1.0.0 | 2024Q4 |
DSP0291 | PCIe Management Interface (PCIe-MI) over MCTP Binding Specification | 1.0.0 | 2024Q3 |
DSP0292 | MCTP PCC Transport Binding Specification | 1.0.0 | 2024Q4 |
DSP0283 | MCTP over USB Binding Specification | 1.0.0 | Published |
DSP0236 | MCTP Base Specification | 2.0.0 | 2024-25 |
DSP0238 | MCTP over PCIe VDM Binding Specification | 1.3.0 | 2024Q3 |
DSP0248 | PLDM for Platform Monitoring and Control | 1.3.0 | Published |
DSP0220 | DMTF FRU Data Model and Schema Specification | 1.0.0 | 2024Q3 |
DSP0257 | PLDM for FRU Data Specification | 2.0.0 | 2024Q4 |
DSP2061 | PLDM Accelerator Modeling | 1.0.1 | 2024Q3 |
DSP2067 | PLDM CXL Memory Modeling | 1.0.0 | Published |
libptti | Implementation of DSP0280 (PMCI Test Tools Interface and Design Specification) | 1.0.0 | 2024 |
Work in Progress Documents
DSP # | Version | Title | Date | Comments | Versions |
---|---|---|---|---|---|
DSP0256 | 2.0.0WIP50 | Management Component Transport Protocol (MCTP) Host Interface Specification | 2 Apr 2024 | Work-in-Progress | View |
DSP0292 | 1.0.0WIP50 | Management Component Transport Protocol (MCTP) PCC Transport Binding Specification | 25 Apr 2024 | Work-in-Progress | View |
DSP0238 | 1.3.0WIP80 | Management Component Transport Protocol (MCTP) PCIe VDM Transport Binding Specification | 2 Apr 2024 | Work-in-Progress | View |
DSP0291 | 0.6.0WIP50 | PCIe Management Interface (PCIe-MI) over MCTP Binding Specification | 8 Feb 2024 | Work-in-Progress | View |
White Papers and Technical Notes
DSP # | Version | Title | Date | Comments | Versions |
---|---|---|---|---|---|
DSP2015 | 2.0.0 | Platform Management Components Intercommunication (PMCI) Architecture White Paper | 25 Sep 2019 | Informational | View |
DSP2037 | 1.0.0 | MCTP Packets and NC-SI over MCTP Overview | 20 Feb 2014 | Informational | View |
DSP2016 | 1.0.0 | Management Component Transport Protocol (MCTP) Overview White Paper | 8 Jul 2007 | Informational | View |
DSP2067 | 1.0.0 | PLDM CXL Memory Modeling White Paper | 24 Jun 2024 | Informational | View |
DSP2054 | 1.0.0 | PLDM NIC Modeling | 18 Dec 2019 | Informational | View |
DSP2061 | 1.0.0 | Platform Level Data Model (PLDM) Accelerator Modeling | 13 Jun 2023 | Informational | View |
Open Source Projects using DMTF PMCI Technologies
Title | Description of Tool | PMCI Standard |
---|---|---|
OpenBMC |
The OpenBMC project can be described as a Linux distribution for embedded devices that have a BMC; typically, but not limited to, things like servers, top of rack switches or RAID appliances. |
NC-SI |