1 /*
2 * vhost ccw scsi 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/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/virtio/vhost-scsi.h"
19
20 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
21 OBJECT_DECLARE_SIMPLE_TYPE(VHostSCSICcw, VHOST_SCSI_CCW)
22
23 struct VHostSCSICcw {
24 VirtioCcwDevice parent_obj;
25 VHostSCSI vdev;
26 };
27
vhost_ccw_scsi_realize(VirtioCcwDevice * ccw_dev,Error ** errp)28 static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
29 {
30 VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev);
31 DeviceState *vdev = DEVICE(&dev->vdev);
32
33 qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
34 }
35
vhost_ccw_scsi_instance_init(Object * obj)36 static void vhost_ccw_scsi_instance_init(Object *obj)
37 {
38 VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
39
40 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
41 TYPE_VHOST_SCSI);
42 }
43
44 static Property vhost_ccw_scsi_properties[] = {
45 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
46 VIRTIO_CCW_MAX_REV),
47 DEFINE_PROP_END_OF_LIST(),
48 };
49
vhost_ccw_scsi_class_init(ObjectClass * klass,void * data)50 static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
51 {
52 DeviceClass *dc = DEVICE_CLASS(klass);
53 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
54
55 k->realize = vhost_ccw_scsi_realize;
56 device_class_set_props(dc, vhost_ccw_scsi_properties);
57 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
58 }
59
60 static const TypeInfo vhost_ccw_scsi = {
61 .name = TYPE_VHOST_SCSI_CCW,
62 .parent = TYPE_VIRTIO_CCW_DEVICE,
63 .instance_size = sizeof(VHostSCSICcw),
64 .instance_init = vhost_ccw_scsi_instance_init,
65 .class_init = vhost_ccw_scsi_class_init,
66 };
67
virtio_ccw_scsi_register(void)68 static void virtio_ccw_scsi_register(void)
69 {
70 type_register_static(&vhost_ccw_scsi);
71 }
72
73 type_init(virtio_ccw_scsi_register)
74