From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:38954) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S0Vpw-0000dR-0I for qemu-devel@nongnu.org; Thu, 23 Feb 2012 05:23:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S0Vpo-0005gL-S9 for qemu-devel@nongnu.org; Thu, 23 Feb 2012 05:23:43 -0500 Received: from mail-ww0-f53.google.com ([74.125.82.53]:42342) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S0Vpo-0005c3-K8 for qemu-devel@nongnu.org; Thu, 23 Feb 2012 05:23:36 -0500 Received: by mail-ww0-f53.google.com with SMTP id dr12so878763wgb.10 for ; Thu, 23 Feb 2012 02:23:36 -0800 (PST) Sender: andrzej zaborowski From: Andrzej Zaborowski Date: Thu, 23 Feb 2012 00:22:47 +0100 Message-Id: <1329952970-356-4-git-send-email-andrew.zaborowski@intel.com> In-Reply-To: <1329952970-356-1-git-send-email-andrew.zaborowski@intel.com> References: <1329952970-356-1-git-send-email-andrew.zaborowski@intel.com> Subject: [Qemu-devel] [PATCH 4/6 v2] virtio-serial: Call .guest_ready when new space is available in the queue. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org 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 --- 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