On 10/27/20 9:28 AM, Xueming Li wrote:
> When hardware error happens, vdpa didn't get such information and leave
> driver in silent: working state but no response.
>
> This patch subscribes firmware virtq error event and try to recover max
> 3 times in 3 seconds, stop virtq if max retry number reached.
>
> When error happens, PMD log in warning level. If failed to recover,
> outputs error log. Query virtq statistics to get error counters report.
>
> Acked-by: Matan Azrad <ma...@nvidia.com>
> Signed-off-by: Xueming Li <xuemi...@nvidia.com>
> ---
> doc/guides/rel_notes/release_20_11.rst | 6 +-
> doc/guides/vdpadevs/mlx5.rst | 8 ++
> drivers/vdpa/mlx5/mlx5_vdpa.c | 2 +
> drivers/vdpa/mlx5/mlx5_vdpa.h | 37 +++++++
> drivers/vdpa/mlx5/mlx5_vdpa_event.c | 144 +++++++++++++++++++++++++
> drivers/vdpa/mlx5/mlx5_vdpa_virtq.c | 61 ++++++++---
> 6 files changed, 242 insertions(+), 16 deletions(-)
>
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
Thanks,
Maxime
