[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 1/4] hw/s390x/virtio-ccw: Add virtio_ccw_device_plug
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH 1/4] hw/s390x/virtio-ccw: Add virtio_ccw_device_plugged for virtio-ccw |
Date: |
Fri, 17 Apr 2015 20:13:43 +0800 |
Add virtio_ccw_device_plugged, it can be used to get backend's features.
Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
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