linux-kernel - Re: [PATCH v4 06/11] vduse: Support get_vq

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Message-ID: <92955312-b3f6-5f8e-0e2e-2a18e2af6666@redhat.com>
Date:   Tue, 28 Mar 2023 14:15:47 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Xie Yongji <xieyongji@...edance.com>, mst@...hat.com,
        tglx@...utronix.de, hch@....de
Cc:     virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 06/11] vduse: Support get_vq_affinity callback


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@...edance.com>


Acked-by: Jason Wang <jasowang@...hat.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,