projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 901f5f16 TH |
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" | |
| 0b8fa32f | 14 | #include "qemu/module.h" |
| a27bd6c7 | 15 | #include "hw/qdev-properties.h" |
| 901f5f16 TH |
16 | #include "hw/virtio/virtio-serial.h" |
| 17 | #include "virtio-ccw.h" | |
| 7da50d64 PB |
18 | |
| 19 | #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" | |
| 20 | OBJECT_DECLARE_SIMPLE_TYPE(VirtioSerialCcw, VIRTIO_SERIAL_CCW) | |
| 21 | ||
| 22 | struct VirtioSerialCcw { | |
| 23 | VirtioCcwDevice parent_obj; | |
| 24 | VirtIOSerial vdev; | |
| 25 | }; | |
| 901f5f16 TH |
26 | |
| 27 | static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) | |
| 28 | { | |
| 29 | VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); | |
| 30 | DeviceState *vdev = DEVICE(&dev->vdev); | |
| 31 | DeviceState *proxy = DEVICE(ccw_dev); | |
| 32 | char *bus_name; | |
| 33 | ||
| 34 | /* | |
| 35 | * For command line compatibility, this sets the virtio-serial-device bus | |
| 36 | * name as before. | |
| 37 | */ | |
| 38 | if (proxy->id) { | |
| 39 | bus_name = g_strdup_printf("%s.0", proxy->id); | |
| 40 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); | |
| 41 | g_free(bus_name); | |
| 42 | } | |
| 43 | ||
| 99ba777e | 44 | qdev_realize(vdev, BUS(&ccw_dev->bus), errp); |
| 901f5f16 TH |
45 | } |
| 46 | ||
| 47 | ||
| 48 | static void virtio_ccw_serial_instance_init(Object *obj) | |
| 49 | { | |
| 50 | VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); | |
| 51 | ||
| 52 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
| 53 | TYPE_VIRTIO_SERIAL); | |
| 54 | } | |
| 55 | ||
| 56 | static Property virtio_ccw_serial_properties[] = { | |
| 57 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, | |
| 58 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
| 59 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, | |
| 60 | VIRTIO_CCW_MAX_REV), | |
| 61 | DEFINE_PROP_END_OF_LIST(), | |
| 62 | }; | |
| 63 | ||
| 64 | static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) | |
| 65 | { | |
| 66 | DeviceClass *dc = DEVICE_CLASS(klass); | |
| 67 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
| 68 | ||
| 69 | k->realize = virtio_ccw_serial_realize; | |
| 4f67d30b | 70 | device_class_set_props(dc, virtio_ccw_serial_properties); |
| 901f5f16 TH |
71 | set_bit(DEVICE_CATEGORY_INPUT, dc->categories); |
| 72 | } | |
| 73 | ||
| 74 | static const TypeInfo virtio_ccw_serial = { | |
| 75 | .name = TYPE_VIRTIO_SERIAL_CCW, | |
| 76 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
| 77 | .instance_size = sizeof(VirtioSerialCcw), | |
| 78 | .instance_init = virtio_ccw_serial_instance_init, | |
| 79 | .class_init = virtio_ccw_serial_class_init, | |
| 80 | }; | |
| 81 | ||
| 82 | static void virtio_ccw_serial_register(void) | |
| 83 | { | |
| 84 | type_register_static(&virtio_ccw_serial); | |
| 85 | } | |
| 86 | ||
| 87 | type_init(virtio_ccw_serial_register) |