On Mon, Nov 30, 2020 at 11:27:51AM +0800, Jason Wang wrote:
On 2020/11/26 下午10:49, Stefano Garzarella wrote:Instead of calling the vq callback directly, we can leverage the vringh_notify() function, adding vdpasim_vq_notify() and setting it in the vringh notify callback. Suggested-by: Jason Wang <jasow...@redhat.com> Signed-off-by: Stefano Garzarella <sgarz...@redhat.com> --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 8b87ce0485b6..4327efd6d41e 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -120,6 +120,17 @@ static struct vdpasim *dev_to_sim(struct device *dev) return vdpa_to_sim(vdpa); } +static void vdpasim_vq_notify(struct vringh *vring) +{ + struct vdpasim_virtqueue *vq = + container_of(vring, struct vdpasim_virtqueue, vring); + + if (!vq->cb) + return; + + vq->cb(vq->private); +} + static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx) { struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; @@ -131,6 +142,8 @@ static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx) (uintptr_t)vq->driver_addr, (struct vring_used *) (uintptr_t)vq->device_addr); + + vq->vring.notify = vdpasim_vq_notify;Do we need to clear notify during reset?
Right, I'll clear it.
Other looks good.
Thanks, Stefano _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
