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Cisco SFS InfiniBand Host Drivers User Guide for Linux
OL-12309-01
1
About Host Drivers
This chapter describes host drivers and includes the following sections:
• Introduction, page 1-1
• Architecture, page 1-2
• Supported Protocols, page 1-3
• Supported APIs, page 1-4
• HCA Utilities and Diagnostics, page 1-4
Note For expansions of acronyms and abbreviations used in this publication, see Appendix A, “Acronyms and
Abbreviations.”
Introduction
The Cisco IB HCA offers high-performance 10-Gbps and 20-Gbps IB connectivity to PCI-X and
PCI-Express-based servers. As an integral part of the Cisco SFS solution, the Cisco IB HCA enables you
to create a unified fabric for consolidating clustering, networking, and storage communications.
After you physically install the HCA in the server, install the drivers to run IB-capable protocols. HCAs
support the following protocols in the Linux environment:
• IPoIB
• SRP
• SDP
HCAs support the following APIs in the Linux environment:
• MVAPICH MPI
• uDAPL API
• Intel MPI
• HP MPI
Host drivers also provide utilities to help you configure and verify your HCA. These utilities provide
upgrade and diagnostic features.