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[Qemu-devel] [PATCH 2/4] hw/s390x/s390-virtio-bus: Add virtio_s390_devic
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH 2/4] hw/s390x/s390-virtio-bus: Add virtio_s390_device_plugged for s390-virtio |
Date: |
Fri, 17 Apr 2015 20:13:44 +0800 |
Add virtio_s390_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/s390-virtio-bus.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 047c963..31fdf94 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -504,6 +504,15 @@ static unsigned virtio_s390_get_features(DeviceState *d)
return dev->host_features;
}
+/* This is called by virtio-bus just after the device is plugged. */
+static void virtio_s390_device_plugged(DeviceState *d)
+{
+ VirtIOS390Device *dev = to_virtio_s390_device(d);
+
+ dev->host_features = virtio_bus_get_vdev_features(&dev->bus,
+ dev->host_features);
+}
+
/**************** S390 Virtio Bus Device Descriptions *******************/
static Property s390_virtio_net_properties[] = {
@@ -715,6 +724,7 @@ static void virtio_s390_bus_class_init(ObjectClass *klass,
void *data)
bus_class->max_dev = 1;
k->notify = virtio_s390_notify;
k->get_features = virtio_s390_get_features;
+ k->device_plugged = virtio_s390_device_plugged;
}
static const TypeInfo virtio_s390_bus_info = {
--
2.0.4