paul luse c602bd81f6 module/crypto: change how we handle crypto device full condition
Previously we would sit in the submission routine and spin on the
poller and then retry in the event that we could not get CryptoDev
to take all of the ops that we had available.

The implementation was fine however a recent CryptoDev change
requires us to now check the status of attempted submissions
instead of assuming that the device was busy. If there was
another reason for the failure we don't want to retry or we'll
be stuck in an endless retry loop.

Changing the current device full handling to match what was
done in the compression vbdev makes it easier to handle the
new condition and also makes the two vbdevs more consistent
with regards to how they manage the DPDK framework API.

This patch only changes how we handle full conditions to put
the ops on a linked list and resubmit them the next tie the
poller runs naturally. A following patch will handle the
CryptoDev API change that instigated this change.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: Idcb6e06b6826045f23e59b64eca051f3eee2b850
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/472309
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2019-12-05 13:06:35 +00:00
..
2017-12-29 14:20:48 -05:00