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e594bfed TH |
1 | /* |
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" | |
13 | #include "hw/virtio/virtio.h" | |
14 | #include "qapi/error.h" | |
0b8fa32f | 15 | #include "qemu/module.h" |
e594bfed TH |
16 | #include "virtio-ccw.h" |
17 | ||
18 | static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) | |
19 | { | |
20 | VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); | |
21 | DeviceState *vdev = DEVICE(&dev->vdev); | |
22 | DeviceState *qdev = DEVICE(ccw_dev); | |
23 | char *bus_name; | |
24 | ||
25 | /* | |
26 | * For command line compatibility, this sets the virtio-scsi-device bus | |
27 | * name as before. | |
28 | */ | |
29 | if (qdev->id) { | |
30 | bus_name = g_strdup_printf("%s.0", qdev->id); | |
31 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); | |
32 | g_free(bus_name); | |
33 | } | |
34 | ||
35 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); | |
36 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); | |
37 | } | |
38 | ||
39 | static 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 | ||
47 | static 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 | ||
55 | static 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; | |
61 | dc->props = virtio_ccw_scsi_properties; | |
62 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); | |
63 | } | |
64 | ||
65 | static 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 | ||
75 | static 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 | ||
80 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); | |
81 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); | |
82 | } | |
83 | ||
84 | static void vhost_ccw_scsi_instance_init(Object *obj) | |
85 | { | |
86 | VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); | |
87 | ||
88 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
89 | TYPE_VHOST_SCSI); | |
90 | } | |
91 | ||
92 | static Property vhost_ccw_scsi_properties[] = { | |
93 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, | |
94 | VIRTIO_CCW_MAX_REV), | |
95 | DEFINE_PROP_END_OF_LIST(), | |
96 | }; | |
97 | ||
98 | static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) | |
99 | { | |
100 | DeviceClass *dc = DEVICE_CLASS(klass); | |
101 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
102 | ||
103 | k->realize = vhost_ccw_scsi_realize; | |
104 | dc->props = vhost_ccw_scsi_properties; | |
105 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); | |
106 | } | |
107 | ||
108 | static const TypeInfo vhost_ccw_scsi = { | |
109 | .name = TYPE_VHOST_SCSI_CCW, | |
110 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
111 | .instance_size = sizeof(VHostSCSICcw), | |
112 | .instance_init = vhost_ccw_scsi_instance_init, | |
113 | .class_init = vhost_ccw_scsi_class_init, | |
114 | }; | |
115 | ||
116 | #endif | |
117 | ||
118 | static void virtio_ccw_scsi_register(void) | |
119 | { | |
120 | type_register_static(&virtio_ccw_scsi); | |
121 | #ifdef CONFIG_VHOST_SCSI | |
122 | type_register_static(&vhost_ccw_scsi); | |
123 | #endif | |
124 | } | |
125 | ||
126 | type_init(virtio_ccw_scsi_register) |