From: Bjorn Helgaas [mailto:bhelg...@google.com]
> On Tue, Jun 09, 2015 at 05:44:36AM -0400, Allen Hubbe wrote:
> > Add module parameters for the addresses to be used in b2b topology.
>
> What does "b2b" mean?
In this case it means back-to-back, referring to the topology connecting the
ntb devices. There are two ntb devices connected to each other, secondary side
to secondary side, or back-to-back.
The terminology is not entirely unambiguous, unfortunately. In the glossary of
an Intel doc, it is defined as above, as back-to-back. PLX doesn't ever use
the term b2b that I could find, but it uses the term back-to-back instead
referring to the two internal endpoints of one ntb device.
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