cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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virtio-ccw-serial.c (2381B)

      1/*
      2 * virtio ccw serial implementation
      3 *
      4 * Copyright 2012, 2015 IBM Corp.
      5 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
      6 *
      7 * This work is licensed under the terms of the GNU GPL, version 2 or (at
      8 * your option) any later version. See the COPYING file in the top-level
      9 * directory.
     10 */
     11
     12#include "qemu/osdep.h"
     13#include "hw/virtio/virtio.h"
     14#include "qemu/module.h"
     15#include "hw/qdev-properties.h"
     16#include "hw/virtio/virtio-serial.h"
     17#include "virtio-ccw.h"
     18
     19static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp)
     20{
     21    VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev);
     22    DeviceState *vdev = DEVICE(&dev->vdev);
     23    DeviceState *proxy = DEVICE(ccw_dev);
     24    char *bus_name;
     25
     26    /*
     27     * For command line compatibility, this sets the virtio-serial-device bus
     28     * name as before.
     29     */
     30    if (proxy->id) {
     31        bus_name = g_strdup_printf("%s.0", proxy->id);
     32        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
     33        g_free(bus_name);
     34    }
     35
     36    qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
     37}
     38
     39
     40static void virtio_ccw_serial_instance_init(Object *obj)
     41{
     42    VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
     43
     44    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     45                                TYPE_VIRTIO_SERIAL);
     46}
     47
     48static Property virtio_ccw_serial_properties[] = {
     49    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
     50                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
     51    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
     52                       VIRTIO_CCW_MAX_REV),
     53    DEFINE_PROP_END_OF_LIST(),
     54};
     55
     56static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data)
     57{
     58    DeviceClass *dc = DEVICE_CLASS(klass);
     59    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
     60
     61    k->realize = virtio_ccw_serial_realize;
     62    device_class_set_props(dc, virtio_ccw_serial_properties);
     63    set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
     64}
     65
     66static const TypeInfo virtio_ccw_serial = {
     67    .name          = TYPE_VIRTIO_SERIAL_CCW,
     68    .parent        = TYPE_VIRTIO_CCW_DEVICE,
     69    .instance_size = sizeof(VirtioSerialCcw),
     70    .instance_init = virtio_ccw_serial_instance_init,
     71    .class_init    = virtio_ccw_serial_class_init,
     72};
     73
     74static void virtio_ccw_serial_register(void)
     75{
     76    type_register_static(&virtio_ccw_serial);
     77}
     78
     79type_init(virtio_ccw_serial_register)