1 /*
2 * virtio ccw 9p implementation
3 *
4 * Copyright 2012, 2015 IBM Corp.
5 * Author(s): Pierre Morel <pmorel@linux.vnet.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/qdev-properties.h"
14 #include "hw/virtio/virtio.h"
15 #include "qapi/error.h"
16 #include "qemu/module.h"
17 #include "virtio-ccw.h"
18 #include "hw/9pfs/virtio-9p.h"
19
20 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
21 OBJECT_DECLARE_SIMPLE_TYPE(V9fsCCWState, VIRTIO_9P_CCW)
22
23 struct V9fsCCWState {
24 VirtioCcwDevice parent_obj;
25 V9fsVirtioState vdev;
26 };
27
virtio_ccw_9p_realize(VirtioCcwDevice * ccw_dev,Error ** errp)28 static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
29 {
30 V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
31 DeviceState *vdev = DEVICE(&dev->vdev);
32
33 qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
34 }
35
virtio_ccw_9p_instance_init(Object * obj)36 static void virtio_ccw_9p_instance_init(Object *obj)
37 {
38 V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
39
40 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
41 TYPE_VIRTIO_9P);
42 }
43
44 static Property virtio_ccw_9p_properties[] = {
45 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
46 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
47 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
48 VIRTIO_CCW_MAX_REV),
49 DEFINE_PROP_END_OF_LIST(),
50 };
51
virtio_ccw_9p_class_init(ObjectClass * klass,void * data)52 static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
53 {
54 DeviceClass *dc = DEVICE_CLASS(klass);
55 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
56
57 k->realize = virtio_ccw_9p_realize;
58 device_class_set_props(dc, virtio_ccw_9p_properties);
59 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
60 }
61
62 static const TypeInfo virtio_ccw_9p_info = {
63 .name = TYPE_VIRTIO_9P_CCW,
64 .parent = TYPE_VIRTIO_CCW_DEVICE,
65 .instance_size = sizeof(V9fsCCWState),
66 .instance_init = virtio_ccw_9p_instance_init,
67 .class_init = virtio_ccw_9p_class_init,
68 };
69
virtio_ccw_9p_register(void)70 static void virtio_ccw_9p_register(void)
71 {
72 type_register_static(&virtio_ccw_9p_info);
73 }
74
75 type_init(virtio_ccw_9p_register)
76