blob: 6e4beef700bd49b59874ad1b94f36eff32ad3daa [file] [log] [blame]
Thomas Huthe594bfe2018-07-25 14:20:18 +02001/*
2 * virtio 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"
Markus Armbrustera27bd6c2019-08-12 07:23:51 +020013#include "hw/qdev-properties.h"
Thomas Huthe594bfe2018-07-25 14:20:18 +020014#include "hw/virtio/virtio.h"
15#include "qapi/error.h"
Markus Armbruster0b8fa322019-05-23 16:35:07 +020016#include "qemu/module.h"
Thomas Huthe594bfe2018-07-25 14:20:18 +020017#include "virtio-ccw.h"
18
19static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
20{
21 VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev);
22 DeviceState *vdev = DEVICE(&dev->vdev);
23 DeviceState *qdev = DEVICE(ccw_dev);
24 char *bus_name;
25
26 /*
27 * For command line compatibility, this sets the virtio-scsi-device bus
28 * name as before.
29 */
30 if (qdev->id) {
31 bus_name = g_strdup_printf("%s.0", qdev->id);
32 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
33 g_free(bus_name);
34 }
35
Markus Armbruster99ba7772020-06-10 07:32:00 +020036 qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
Thomas Huthe594bfe2018-07-25 14:20:18 +020037}
38
39static void virtio_ccw_scsi_instance_init(Object *obj)
40{
41 VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
42
43 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
44 TYPE_VIRTIO_SCSI);
45}
46
47static Property virtio_ccw_scsi_properties[] = {
48 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
49 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
50 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
51 VIRTIO_CCW_MAX_REV),
52 DEFINE_PROP_END_OF_LIST(),
53};
54
55static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data)
56{
57 DeviceClass *dc = DEVICE_CLASS(klass);
58 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
59
60 k->realize = virtio_ccw_scsi_realize;
Marc-André Lureau4f67d302020-01-10 19:30:32 +040061 device_class_set_props(dc, virtio_ccw_scsi_properties);
Thomas Huthe594bfe2018-07-25 14:20:18 +020062 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
63}
64
65static const TypeInfo virtio_ccw_scsi = {
66 .name = TYPE_VIRTIO_SCSI_CCW,
67 .parent = TYPE_VIRTIO_CCW_DEVICE,
68 .instance_size = sizeof(VirtIOSCSICcw),
69 .instance_init = virtio_ccw_scsi_instance_init,
70 .class_init = virtio_ccw_scsi_class_init,
71};
72
73#ifdef CONFIG_VHOST_SCSI
74
75static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
76{
77 VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev);
78 DeviceState *vdev = DEVICE(&dev->vdev);
79
Markus Armbruster99ba7772020-06-10 07:32:00 +020080 qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
Thomas Huthe594bfe2018-07-25 14:20:18 +020081}
82
83static void vhost_ccw_scsi_instance_init(Object *obj)
84{
85 VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
86
87 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
88 TYPE_VHOST_SCSI);
89}
90
91static Property vhost_ccw_scsi_properties[] = {
92 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
93 VIRTIO_CCW_MAX_REV),
94 DEFINE_PROP_END_OF_LIST(),
95};
96
97static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
98{
99 DeviceClass *dc = DEVICE_CLASS(klass);
100 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
101
102 k->realize = vhost_ccw_scsi_realize;
Marc-André Lureau4f67d302020-01-10 19:30:32 +0400103 device_class_set_props(dc, vhost_ccw_scsi_properties);
Thomas Huthe594bfe2018-07-25 14:20:18 +0200104 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
105}
106
107static const TypeInfo vhost_ccw_scsi = {
108 .name = TYPE_VHOST_SCSI_CCW,
109 .parent = TYPE_VIRTIO_CCW_DEVICE,
110 .instance_size = sizeof(VHostSCSICcw),
111 .instance_init = vhost_ccw_scsi_instance_init,
112 .class_init = vhost_ccw_scsi_class_init,
113};
114
115#endif
116
117static void virtio_ccw_scsi_register(void)
118{
119 type_register_static(&virtio_ccw_scsi);
120#ifdef CONFIG_VHOST_SCSI
121 type_register_static(&vhost_ccw_scsi);
122#endif
123}
124
125type_init(virtio_ccw_scsi_register)