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authorArseniy Krasnov <avkrasnov@salutedevices.com>2023-10-10 22:15:17 +0300
committerDavid S. Miller <davem@davemloft.net>2023-10-15 13:19:42 +0100
commit3719c48d9a2082773c38564dea3fa7b30a69a479 (patch)
tree85c80bf3664647fb0a681adb7dcd1b8d32c897b9
parentdcc55d7bb23016e7ae335c8558e1937d7a551b35 (diff)
vhost/vsock: support MSG_ZEROCOPY for transport
Add 'msgzerocopy_allow()' callback for vhost transport. Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/vhost/vsock.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 83711aad855c..f75731396b7e 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,