Il 04/09/2012 17:13, Cornelia Huck ha scritto:
> +VirtioCcwBus *virtio_ccw_bus_init(void)
> +{
> + VirtioCcwBus *cbus;
> + BusState *bus;
> + DeviceState *dev;
> +
> + /* Create bridge device */
> + dev = qdev_create(NULL, "virtio-ccw-bridge");
> + qdev_init_nofail(dev);
> +
> + /* Create bus on bridge device */
> + bus = qbus_create(TYPE_VIRTIO_CCW_BUS, dev, "virtio-ccw");
> + cbus = DO_UPCAST(VirtioCcwBus, bus, bus);
> +
> + /* Enable hotplugging */
> + bus->allow_hotplug = 1;
> +
> + qemu_register_reset(virtio_ccw_reset_subchannels, cbus);
Please use qdev device-reset and bus-reset callbacks instead of this.
In particular, when writing the status you should call
qdev_reset_all(DEVICE(sch)), and whatever state should be reset will
have to be cleared by the device-reset callback of SubchDev, including
calling virtio_reset.
Everything else will be cleared instead by the bus-reset callback of
virtio-ccw-bus, similar to what you are doing in
virtio_ccw_reset_subchannels.
Paolo
> + return cbus;
> +}
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