mirror of https://gitee.com/openkylin/qemu.git
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
|
|
* virtio ccw serial implementation
|
|
*
|
|
* Copyright 2012, 2015 IBM Corp.
|
|
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
|
* your option) any later version. See the COPYING file in the top-level
|
|
* directory.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "hw/virtio/virtio.h"
|
|
#include "qemu/module.h"
|
|
#include "hw/virtio/virtio-serial.h"
|
|
#include "virtio-ccw.h"
|
|
|
|
static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp)
|
|
{
|
|
VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev);
|
|
DeviceState *vdev = DEVICE(&dev->vdev);
|
|
DeviceState *proxy = DEVICE(ccw_dev);
|
|
char *bus_name;
|
|
|
|
/*
|
|
* For command line compatibility, this sets the virtio-serial-device bus
|
|
* name as before.
|
|
*/
|
|
if (proxy->id) {
|
|
bus_name = g_strdup_printf("%s.0", proxy->id);
|
|
virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
|
|
g_free(bus_name);
|
|
}
|
|
|
|
qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
|
|
object_property_set_bool(OBJECT(vdev), true, "realized", errp);
|
|
}
|
|
|
|
|
|
static void virtio_ccw_serial_instance_init(Object *obj)
|
|
{
|
|
VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
|
|
|
|
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
|
|
TYPE_VIRTIO_SERIAL);
|
|
}
|
|
|
|
static Property virtio_ccw_serial_properties[] = {
|
|
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
|
|
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
|
|
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
|
|
VIRTIO_CCW_MAX_REV),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
|
|
|
|
k->realize = virtio_ccw_serial_realize;
|
|
dc->props = virtio_ccw_serial_properties;
|
|
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
|
|
}
|
|
|
|
static const TypeInfo virtio_ccw_serial = {
|
|
.name = TYPE_VIRTIO_SERIAL_CCW,
|
|
.parent = TYPE_VIRTIO_CCW_DEVICE,
|
|
.instance_size = sizeof(VirtioSerialCcw),
|
|
.instance_init = virtio_ccw_serial_instance_init,
|
|
.class_init = virtio_ccw_serial_class_init,
|
|
};
|
|
|
|
static void virtio_ccw_serial_register(void)
|
|
{
|
|
type_register_static(&virtio_ccw_serial);
|
|
}
|
|
|
|
type_init(virtio_ccw_serial_register)
|