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 "hw/virtio/virtio-serial.h" 15 #include "virtio-ccw.h" 16 17 static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) 18 { 19 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 20 DeviceState *vdev = DEVICE(&dev->vdev); 21 DeviceState *proxy = DEVICE(ccw_dev); 22 char *bus_name; 23 24 /* 25 * For command line compatibility, this sets the virtio-serial-device bus 26 * name as before. 27 */ 28 if (proxy->id) { 29 bus_name = g_strdup_printf("%s.0", proxy->id); 30 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 31 g_free(bus_name); 32 } 33 34 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 35 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 36 } 37 38 39 static void virtio_ccw_serial_instance_init(Object *obj) 40 { 41 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 42 43 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 44 TYPE_VIRTIO_SERIAL); 45 } 46 47 static Property virtio_ccw_serial_properties[] = { 48 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 49 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 50 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 51 VIRTIO_CCW_MAX_REV), 52 DEFINE_PROP_END_OF_LIST(), 53 }; 54 55 static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 56 { 57 DeviceClass *dc = DEVICE_CLASS(klass); 58 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 59 60 k->realize = virtio_ccw_serial_realize; 61 dc->props = virtio_ccw_serial_properties; 62 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 63 } 64 65 static const TypeInfo virtio_ccw_serial = { 66 .name = TYPE_VIRTIO_SERIAL_CCW, 67 .parent = TYPE_VIRTIO_CCW_DEVICE, 68 .instance_size = sizeof(VirtioSerialCcw), 69 .instance_init = virtio_ccw_serial_instance_init, 70 .class_init = virtio_ccw_serial_class_init, 71 }; 72 73 static void virtio_ccw_serial_register(void) 74 { 75 type_register_static(&virtio_ccw_serial); 76 } 77 78 type_init(virtio_ccw_serial_register) 79