From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57025) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yj5AV-00056v-Hz for qemu-devel@nongnu.org; Fri, 17 Apr 2015 08:14:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yj5AQ-00020R-PN for qemu-devel@nongnu.org; Fri, 17 Apr 2015 08:14:47 -0400 Received: from mail-pa0-f43.google.com ([209.85.220.43]:33240) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yj5AQ-00020E-KH for qemu-devel@nongnu.org; Fri, 17 Apr 2015 08:14:42 -0400 Received: by paboj16 with SMTP id oj16so123767697pab.0 for ; Fri, 17 Apr 2015 05:14:42 -0700 (PDT) From: Shannon Zhao Date: Fri, 17 Apr 2015 20:13:43 +0800 Message-Id: <1429272826-4145-2-git-send-email-shannon.zhao@linaro.org> In-Reply-To: <1429272826-4145-1-git-send-email-shannon.zhao@linaro.org> References: <1429272826-4145-1-git-send-email-shannon.zhao@linaro.org> Subject: [Qemu-devel] [PATCH 1/4] hw/s390x/virtio-ccw: Add virtio_ccw_device_plugged for virtio-ccw List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, mst@redhat.com, peter.huangpeng@huawei.com, shannon.zhao@linaro.org, zhaoshenglong@huawei.com, pbonzini@redhat.com, christoffer.dall@linaro.org Add virtio_ccw_device_plugged, it can be used to get backend's features. Signed-off-by: Shannon Zhao Signed-off-by: Shannon Zhao --- hw/s390x/virtio-ccw.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 130535c..30ca377 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1395,6 +1395,16 @@ static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) return 0; } +/* This is called by virtio-bus just after the device is plugged. */ +static void virtio_ccw_device_plugged(DeviceState *d) +{ + VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); + + /* Only the first 32 feature bits are used. */ + dev->host_features[0] = virtio_bus_get_vdev_features(&dev->bus, + dev->host_features[0]); +} + /**************** Virtio-ccw Bus Device Descriptions *******************/ static Property virtio_ccw_net_properties[] = { @@ -1711,6 +1721,7 @@ static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) k->load_queue = virtio_ccw_load_queue; k->save_config = virtio_ccw_save_config; k->load_config = virtio_ccw_load_config; + k->device_plugged = virtio_ccw_device_plugged; } static const TypeInfo virtio_ccw_bus_info = { -- 2.0.4