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authorXie Yongji <xieyongji@bytedance.com>2023-03-23 13:30:40 +0800
committerMichael S. Tsirkin <mst@redhat.com>2023-04-21 03:02:32 -0400
commit5e68470f4e80a4120e9ecec408f6ab4ad386bd4a (patch)
tree96ef6b18eba82fe988ae0273e4b632cb41b5171e /drivers/virtio
parent66640f4a6fcc1861d1b1f9b36b65a218064f263f (diff)
vdpa: Add eventfd for the vdpa callback
Add eventfd for the vdpa callback so that user can signal it directly instead of triggering the callback. It will be used for vhost-vdpa case. Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Message-Id: <20230323053043.35-9-xieyongji@bytedance.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/virtio')
-rw-r--r--drivers/virtio/virtio_vdpa.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index f3826f42b704..2a095f37f26b 100644
--- a/drivers/virtio/virtio_vdpa.c
+++ b/drivers/virtio/virtio_vdpa.c
@@ -196,6 +196,7 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index,
/* Setup virtqueue callback */
cb.callback = callback ? virtio_vdpa_virtqueue_cb : NULL;
cb.private = info;
+ cb.trigger = NULL;
ops->set_vq_cb(vdpa, index, &cb);
ops->set_vq_num(vdpa, index, virtqueue_get_vring_size(vq));