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 19 static 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_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 37 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 38 } 39 40 41 static void virtio_ccw_serial_instance_init(Object *obj) 42 { 43 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 44 45 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 46 TYPE_VIRTIO_SERIAL); 47 } 48 49 static Property virtio_ccw_serial_properties[] = { 50 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 51 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 52 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 53 VIRTIO_CCW_MAX_REV), 54 DEFINE_PROP_END_OF_LIST(), 55 }; 56 57 static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 58 { 59 DeviceClass *dc = DEVICE_CLASS(klass); 60 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 61 62 k->realize = virtio_ccw_serial_realize; 63 device_class_set_props(dc, virtio_ccw_serial_properties); 64 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 65 } 66 67 static const TypeInfo virtio_ccw_serial = { 68 .name = TYPE_VIRTIO_SERIAL_CCW, 69 .parent = TYPE_VIRTIO_CCW_DEVICE, 70 .instance_size = sizeof(VirtioSerialCcw), 71 .instance_init = virtio_ccw_serial_instance_init, 72 .class_init = virtio_ccw_serial_class_init, 73 }; 74 75 static void virtio_ccw_serial_register(void) 76 { 77 type_register_static(&virtio_ccw_serial); 78 } 79 80 type_init(virtio_ccw_serial_register) 81