Message ID | 20230701063947.3422088-11-AVKrasnov@sberdevices.ru (mailing list archive) |
---|---|
State | RFC |
Headers | show |
Series | vsock: MSG_ZEROCOPY flag support | expand |
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 --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,
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(+)