Re: [PATCH v4 06/11] vduse: Support get_vq_affinity callback

[Jason Wang <jasowang@redhat.com>]

在 2023/3/23 13:30, Xie Yongji 写道:
> This implements get_vq_affinity callback so that
> the virtio-blk driver can build the blk-mq queues
> based on the irq callback affinity.
>
> Signed-off-by: Xie Yongji <xieyongji@bytedance.com>


Acked-by: Jason Wang <jasowang@redhat.com>

Thanks


> ---
>   drivers/vdpa/vdpa_user/vduse_dev.c | 9 +++++++++
>   1 file changed, 9 insertions(+)
>
> diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
> index 45aa8703c4b5..cefabd0dab9c 100644
> --- a/drivers/vdpa/vdpa_user/vduse_dev.c
> +++ b/drivers/vdpa/vdpa_user/vduse_dev.c
> @@ -722,6 +722,14 @@ static int vduse_vdpa_set_vq_affinity(struct vdpa_device *vdpa, u16 idx,
>   	return 0;
>   }
>   
> +static const struct cpumask *
> +vduse_vdpa_get_vq_affinity(struct vdpa_device *vdpa, u16 idx)
> +{
> +	struct vduse_dev *dev = vdpa_to_vduse(vdpa);
> +
> +	return &dev->vqs[idx]->irq_affinity;
> +}
> +
>   static int vduse_vdpa_set_map(struct vdpa_device *vdpa,
>   				unsigned int asid,
>   				struct vhost_iotlb *iotlb)
> @@ -773,6 +781,7 @@ static const struct vdpa_config_ops vduse_vdpa_config_ops = {
>   	.set_config		= vduse_vdpa_set_config,
>   	.get_generation		= vduse_vdpa_get_generation,
>   	.set_vq_affinity	= vduse_vdpa_set_vq_affinity,
> +	.get_vq_affinity	= vduse_vdpa_get_vq_affinity,
>   	.reset			= vduse_vdpa_reset,
>   	.set_map		= vduse_vdpa_set_map,
>   	.free			= vduse_vdpa_free,