[openib-general] Problem with 2.4.24 and gen1

[Ken MacInnis]

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Roland Dreier wrote:
|     Ken> Also, another question I have is fairly naive -- at what
|     Ken> point are the Lion Cub (PCI Express) cards supported in the
|     Ken> OpenIB stack?  I seem to remember the Tavor code supporting
|     Ken> them inherently but in a non-efficient manner if native code
|     Ken> wasn't used.
|
| Lion Cub aka Arbel aka PCI Ex HCA is supported in Tavor compatibility
| mode right now by the mthca driver.  I just received firmware and
| documentation for native mode last week, so support for that will be
| "coming soon."  However Tavor mode is not really much of a performance
| hit -- on a suitable motherboard you should still be able to hit (bus
| limited) 20 Gb/sec of throughput.

Does this extend to the older non-mthca code?  I assume this Tavor
compatibility mode is wrt. the HBA, so that it does.  :)

Thanks!
Ken

- --
Ken MacInnis - Systems Engineer, PSC - http://www.psc.edu/~kcm/
kcm at psc dot edu - +1 412 268 9833 (w) - +1 412 268 5832 (f)
Pittsburgh Supercomputing Center - 4400 Fifth Ave - Pittsburgh, PA 15213
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