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_realize(vdev, BUS(&ccw_dev->bus), errp); 37 } 38 39 40 static 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 48 static 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 56 static 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 66 static 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 74 static void virtio_ccw_serial_register(void) 75 { 76 type_register_static(&virtio_ccw_serial); 77 } 78 79 type_init(virtio_ccw_serial_register) 80