Commit 3719c48d authored by Arseniy Krasnov's avatar Arseniy Krasnov Committed by David S. Miller
Browse files

vhost/vsock: support MSG_ZEROCOPY for transport 



Add 'msgzerocopy_allow()' callback for vhost transport.

Signed-off-by: default avatarArseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: default avatarStefano Garzarella <sgarzare@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent dcc55d7b

drivers/vhost/vsock.c

+7 −0
Original line number Diff line number Diff line
@@ -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,