diff mbox series

[RFC,v5,10/17] vhost/vsock: support MSG_ZEROCOPY for transport

Message ID 20230701063947.3422088-11-AVKrasnov@sberdevices.ru
State New
Headers
Series vsock: MSG_ZEROCOPY flag support |

Commit Message

Arseniy Krasnov July 1, 2023, 6:39 a.m. UTC 
  Add 'msgzerocopy_allow()' callback for vhost transport.

Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
---
 Changelog:
 v4 -> v5:
  * Move 'msgzerocopy_allow' right after seqpacket callbacks.

 drivers/vhost/vsock.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Stefano Garzarella July 6, 2023, 4:55 p.m. UTC | #1 
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@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@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
>
diff mbox series

Patch

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,