Re: [dpdk-dev] [PATCH v2 10/13] vdpa/mlx5: map doorbell

2020-01-31 Thread Maxime Coquelin
On 1/29/20 11:09 AM, Matan Azrad wrote: > The HW supports only 4 bytes doorbell writing detection. > The virtio device set only 2 bytes when it rings the doorbell. > > Map the virtio doorbell detected by the virtio queue kickfd to the HW > VAR space when it expects to get the virtio emulation d

[dpdk-dev] [PATCH v2 10/13] vdpa/mlx5: map doorbell

2020-01-29 Thread Matan Azrad
The HW supports only 4 bytes doorbell writing detection. The virtio device set only 2 bytes when it rings the doorbell. Map the virtio doorbell detected by the virtio queue kickfd to the HW VAR space when it expects to get the virtio emulation doorbell. Use the EAL interrupt mechanism to get noti