IBUtils2 Utility Documentation v2.25.0

Changes and New Features

v2.25.0

Description

Added support for XDR Routers.

Added support for Multi-Cast Private LFT validations.

Reread GPU names for telemetry.

Reload MKey for telemetry.

Added support for MTECR register (as replacement for MTCA).

Added support for experimental SLTR fetch mechanism (disabled by default).

Updated layouts for the following registers:

  • PPCNT

  • PDDR

  • PEMI

  • PPLM

Enabled ARHC and ARHR HCA registers.

Added config file content to the log.

Added SMI/GSI interfaces to log output in case of planarized local interface.

Updated Compression Ratio calculation mechanism.

Updated XDR Credit Loop verification.

Updated XDR CA to CA verification.

© Copyright 2026, NVIDIA. Last updated on Mar 1, 2026