[PATCH v3 14/28] vhost: add helper for interrupt injection

[David Marchand]

On Thu, May 25, 2023 at 6:26 PM Maxime Coquelin
<maxime.coquelin at redhat.com> wrote:
> @@ -900,6 +905,24 @@ vhost_need_event(uint16_t event_idx, uint16_t new_idx, uint16_t old)
>         return (uint16_t)(new_idx - event_idx - 1) < (uint16_t)(new_idx - old);
>  }
>
> +static __rte_always_inline void
> +vhost_vring_inject_irq(struct virtio_net *dev, struct vhost_virtqueue *vq)
> +{
> +       int ret;
> +
> +       ret = dev->backend_ops->inject_irq(dev, vq);
> +       if (ret) {

No need for ret.

> +               if (dev->flags & VIRTIO_DEV_STATS_ENABLED)
> +                       vq->stats.guest_notifications_error++;
> +               return;
> +       }
> +
> +       if (dev->flags & VIRTIO_DEV_STATS_ENABLED)
> +               vq->stats.guest_notifications++;
> +       if (dev->notify_ops->guest_notified)
> +               dev->notify_ops->guest_notified(dev->vid);
> +}
> +
>  static __rte_always_inline void
>  vhost_vring_call_split(struct virtio_net *dev, struct vhost_virtqueue *vq)
>  {


-- 
David Marchand