Management Protocols
On top of the MCTP transport, OpenSMA speaks the DMTF management protocols a host expects.
- PLDM — Platform Level Data Model, including the firmware-device (FD) role. (deep-dive)
- SPDM — attestation, measurement, and secure sessions. (deep-dive)
| Subsystem | Path | Role |
|---|---|---|
| PLDM | src/nv/pldm/, corepdk/modules/pldm-fd/ |
PLDM task + FD module |
| SPDM | src/nv/spdm/, corepdk/modules/spdm/ |
Attestation/measurement |
| NHP | src/nv/nhp/ |
NVIDIA host protocol handler |
| LSTP | src/nv/lstp/, src/nv/lstp_bm/ |
LSTP parser + bare-metal router |
| IPC handler | src/nv/ipchandler/ |
Message dispatch |