tree 1eb91ca4b7454c86c01fa794f93250203c37023c
parent e6631814fb3ac454fbbf47ea343c2b9508e4e1ba
author Sagi Grimberg <sagig@mellanox.com> 1393157952 +0200
committer Roland Dreier <roland@purestorage.com> 1394221204 -0800

IB/mlx5: Collect signature error completion

This commit takes care of the generated signature error CQE generated
by the HW (if happened).  The underlying mlx5 driver will handle
signature error completions and will mark the relevant memory region
as dirty.

Once the consumer gets the completion for the transaction, it must
check for signature errors on signature memory region using a new
lightweight verb ib_check_mr_status().

In case the user doesn't check for signature error (i.e. doesn't call
ib_check_mr_status() with status check IB_MR_CHECK_SIG_STATUS), the
memory region cannot be used for another signature operation
(REG_SIG_MR work request will fail).

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>