Hi.
Yicheng Jia wrote:
Hi Folks,
I'm trying to use CQ Event notification for multiple completions
(ARM_N) according to Mellanox Lx III user manual for scatter/gathering
RDMA. However I couldn't find it in current MLX driver. It seems to me
that only ARM_NEXT and ARM_SOLICIT are implemented. So if there are
multiple work requests, I have to use "poll_cq" to synchronously wait
until all the requests are done, is it correct? Is there a way to do
asynchronous multiple send by subscribing for a ARM_N event?
You are right: the low level drivers of Mellanox devices doesn't support
ARM-N
(This feature is supported by the devices, but it wasn't implemented in
the low level drivers).
You are right, in order to read all of the completions you need to use
poll_cq.
By the way: Do you have you have to create a completion for any WR?
(if you are using one QP, this will maybe solve your problem).
Dotan
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