[dpdk-dev] [PATCH 0/4] vdpa/mlx5: support direct notification
Maxime Coquelin
maxime.coquelin at redhat.com
Fri Apr 17 19:14:34 CEST 2020
On 3/24/20 3:24 PM, Asaf Penso wrote:
> In order to save CPU usage in host and even make it 0 when guest work with poll mode,
> add support for direct doorbell ringing.
>
> Now, when the feature is supported in QEMU, the guest doorbell address is mapped directly to the HW doorbell space and the host SW relay is not used.
>
> Matan Azrad (4):
> vdpa/mlx5: move virtual doorbell alloc to probe
> vdpa/mlx5: support direct HW notifications
> vdpa/mlx5: validate notifier configuration
> vdpa/mlx5: add log prints
>
> drivers/vdpa/mlx5/mlx5_vdpa.c | 90 +++++++++++++++++++++++++++++++------
> drivers/vdpa/mlx5/mlx5_vdpa.h | 1 +
> drivers/vdpa/mlx5/mlx5_vdpa_steer.c | 2 +
> drivers/vdpa/mlx5/mlx5_vdpa_virtq.c | 39 ++++++++--------
> 4 files changed, 100 insertions(+), 32 deletions(-)
>
Applied to dpdk-next-virtio/master
Thanks,
Maxime
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