qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

virtio-ccw-serial.c (2617B)

      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 #include "hw/virtio/virtio-serial.h"
     19 
     20 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
     21 OBJECT_DECLARE_SIMPLE_TYPE(VirtioSerialCcw, VIRTIO_SERIAL_CCW)
     22 
     23 struct VirtioSerialCcw {
     24     VirtioCcwDevice parent_obj;
     25     VirtIOSerial vdev;
     26 };
     27 
     28 static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp)
     29 {
     30     VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev);
     31     DeviceState *vdev = DEVICE(&dev->vdev);
     32     DeviceState *proxy = DEVICE(ccw_dev);
     33     char *bus_name;
     34 
     35     /*
     36      * For command line compatibility, this sets the virtio-serial-device bus
     37      * name as before.
     38      */
     39     if (proxy->id) {
     40         bus_name = g_strdup_printf("%s.0", proxy->id);
     41         virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
     42         g_free(bus_name);
     43     }
     44 
     45     qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
     46 }
     47 
     48 
     49 static void virtio_ccw_serial_instance_init(Object *obj)
     50 {
     51     VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
     52 
     53     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     54                                 TYPE_VIRTIO_SERIAL);
     55 }
     56 
     57 static Property virtio_ccw_serial_properties[] = {
     58     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
     59                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
     60     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
     61                        VIRTIO_CCW_MAX_REV),
     62     DEFINE_PROP_END_OF_LIST(),
     63 };
     64 
     65 static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data)
     66 {
     67     DeviceClass *dc = DEVICE_CLASS(klass);
     68     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
     69 
     70     k->realize = virtio_ccw_serial_realize;
     71     device_class_set_props(dc, virtio_ccw_serial_properties);
     72     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
     73 }
     74 
     75 static const TypeInfo virtio_ccw_serial = {
     76     .name          = TYPE_VIRTIO_SERIAL_CCW,
     77     .parent        = TYPE_VIRTIO_CCW_DEVICE,
     78     .instance_size = sizeof(VirtioSerialCcw),
     79     .instance_init = virtio_ccw_serial_instance_init,
     80     .class_init    = virtio_ccw_serial_class_init,
     81 };
     82 
     83 static void virtio_ccw_serial_register(void)
     84 {
     85     type_register_static(&virtio_ccw_serial);
     86 }
     87 
     88 type_init(virtio_ccw_serial_register)