Stefano Garzarella
2023-Jul-06 16:55 UTC
[RFC PATCH v5 10/17] vhost/vsock: support MSG_ZEROCOPY for transport
On Sat, Jul 01, 2023 at 09:39:40AM +0300, Arseniy Krasnov wrote:>Add 'msgzerocopy_allow()' callback for vhost transport. > >Signed-off-by: Arseniy Krasnov <AVKrasnov at sberdevices.ru> >--- > Changelog: > v4 -> v5: > * Move 'msgzerocopy_allow' right after seqpacket callbacks. > > drivers/vhost/vsock.c | 7 +++++++ > 1 file changed, 7 insertions(+)Reviewed-by: Stefano Garzarella <sgarzare at redhat.com>> >diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c >index cb00e0e059e4..3fd0ab0c0edc 100644 >--- a/drivers/vhost/vsock.c >+++ b/drivers/vhost/vsock.c >@@ -398,6 +398,11 @@ static bool vhost_vsock_more_replies(struct vhost_vsock *vsock) > return val < vq->num; > } > >+static bool vhost_transport_msgzerocopy_allow(void) >+{ >+ return true; >+} >+ > static bool vhost_transport_seqpacket_allow(u32 remote_cid); > > static struct virtio_transport vhost_transport = { >@@ -431,6 +436,8 @@ static struct virtio_transport vhost_transport = { > .seqpacket_allow = vhost_transport_seqpacket_allow, > .seqpacket_has_data = virtio_transport_seqpacket_has_data, > >+ .msgzerocopy_allow = vhost_transport_msgzerocopy_allow, >+ > .notify_poll_in = virtio_transport_notify_poll_in, > .notify_poll_out = virtio_transport_notify_poll_out, > .notify_recv_init = virtio_transport_notify_recv_init, >-- >2.25.1 >