[ofw] How to block waiting for a CQE?

[Smith, Stan]

Fab Tillier wrote:
>>> If your release schedule lines up with the next WinOF release that
>> includes WinVerbs and libibverbs support,
>> Are you talking about WinOF 2.1?
>
> I had left it vague because I don't know which release will included
> it.  Sean or Stan should be able to clarify.

WinOF 2.1; early June.

>
>>> WinVerbs will give avoid all the complib abstractions, and give you
>>> the option of getting CQ notifications either via an event,
>>> blocking, or to an I/O completion port.  The libibverbs support
>>> above WinVerbs would let you share your code between Linux and
>>> Windows if that's important to you.
>>
>> That looks awesome, especially if I can ib_arm_cq() once and get
>> notifications/events/blocking behavior for ever without having to
>> rearm() things every loop.
>
> I think you still have to rearm every loop - whatever the behavior of
> libibverbs on Linux should be preserved.  Sean can clarify if there
> are behavior changes that you need to be aware of.
>
> -Fab
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