[ofa-general] RFC: SRC API

[Ishai Rabinovitz]

-----Original Message-----
From: Gleb Natapov [mailto:glebn at voltaire.com] 
Sent: Monday, July 30, 2007 15:00 PM
To: Ishai Rabinovitz
Cc: Michael S. Tsirkin; general at lists.openfabrics.org; Roland Dreier;
Pavel Shamis; Jeff Squyres; Galen Shipman; Gil Bloch;
panda at cse.ohio-state.edu
Subject: Re: [ofa-general] RFC: SRC API

On Mon, Jul 30, 2007 at 02:29:46PM +0300, Ishai Rabinovitz wrote:
>The way it is present in your slides the receive QPs are in shared
memory, but if it is possible to attach SRQ to SRC without access to QP
the QP may reside in a 
> memory of one of the ranks. 

Actually, no one access the receive QP and it occupies little space. I
draw it in SHM, but you can think of it as existing only in the kernel
and in the HCA.

> By the way
> ibv_create_src_srq() gets PD as a parameter and each process will have
its own PD, so one QP will be able to put messages to different PD
domains is that right?

Yes.


Ishai