在 2021/7/7 下午12:04, Yongji Xie 写道:
static long vhost_vdpa_get_vring_num(struct vhost_vdpa *v, u16 __user *argp)
{
- struct vdpa_device *vdpa = v->vdpa;
- const struct vdpa_config_ops *ops = vdpa->config;
u16 num;
- num = ops->get_vq_num_max(vdpa);
+ /*
+
On Mon, Jul 05, 2021 at 03:19:09PM +0800, Jason Wang wrote:
> Virtio spec allows the device to specify the per virtqueue max queue
> size. vDPA needs to adapt to this flexibility. E.g Qemu advertise a
> small control virtqueue for virtio-net.
>
> So this patch adds a index parameter to
Virtio spec allows the device to specify the per virtqueue max queue
size. vDPA needs to adapt to this flexibility. E.g Qemu advertise a
small control virtqueue for virtio-net.
So this patch adds a index parameter to get_vq_num_max bus operations
for the device to report its per virtqueue max
