Without that it's impossible to write a virtio-serial port driver that
sends any buffers bigger than a couple kilobytes, other than by
polling to check when space in the queue becomes available.
Signed-off-by: Andrzej Zaborowski <andrew.zaborow...@intel.com>
---
v2: rebase after QOM.
---
hw/virtio-serial-bus.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index e22940e..fe350a1 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -498,6 +498,14 @@ static void handle_output(VirtIODevice *vdev, VirtQueue
*vq)
static void handle_input(VirtIODevice *vdev, VirtQueue *vq)
{
+ VirtIOSerial *vser = DO_UPCAST(VirtIOSerial, vdev, vdev);
+ VirtIOSerialPort *port = find_port_by_vq(vser, vq);
+ VirtIOSerialPortClass *info =
+ port ? VIRTIO_SERIAL_PORT_GET_CLASS(port) : NULL;
+
+ if (info && info->guest_ready) {
+ info->guest_ready(port);
+ }
}
static uint32_t get_features(VirtIODevice *vdev, uint32_t features)
--
1.7.4.4
