qemu

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

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

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

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

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