qdev: Convert uses of qdev_set_parent_bus() with Coccinelle
[qemu.git] / hw / virtio / virtio-scsi-pci.c
1 /*
2 * Virtio scsi PCI Bindings
3 *
4 * Copyright IBM, Corp. 2007
5 * Copyright (c) 2009 CodeSourcery
6 *
7 * Authors:
8 * Anthony Liguori <aliguori@us.ibm.com>
9 * Paul Brook <paul@codesourcery.com>
10 *
11 * This work is licensed under the terms of the GNU GPL, version 2 or
12 * (at your option) any later version. See the COPYING file in the
13 * top-level directory.
14 */
15
16 #include "qemu/osdep.h"
17
18 #include "hw/qdev-properties.h"
19 #include "hw/virtio/virtio-scsi.h"
20 #include "qemu/module.h"
21 #include "virtio-pci.h"
22
23 typedef struct VirtIOSCSIPCI VirtIOSCSIPCI;
24
25 /*
26 * virtio-scsi-pci: This extends VirtioPCIProxy.
27 */
28 #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci-base"
29 #define VIRTIO_SCSI_PCI(obj) \
30 OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI)
31
32 struct VirtIOSCSIPCI {
33 VirtIOPCIProxy parent_obj;
34 VirtIOSCSI vdev;
35 };
36
37 static Property virtio_scsi_pci_properties[] = {
38 DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
39 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
40 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
41 DEV_NVECTORS_UNSPECIFIED),
42 DEFINE_PROP_END_OF_LIST(),
43 };
44
45 static void virtio_scsi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
46 {
47 VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(vpci_dev);
48 DeviceState *vdev = DEVICE(&dev->vdev);
49 VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
50 DeviceState *proxy = DEVICE(vpci_dev);
51 char *bus_name;
52
53 if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
54 vpci_dev->nvectors = vs->conf.num_queues + 3;
55 }
56
57 /*
58 * For command line compatibility, this sets the virtio-scsi-device bus
59 * name as before.
60 */
61 if (proxy->id) {
62 bus_name = g_strdup_printf("%s.0", proxy->id);
63 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
64 g_free(bus_name);
65 }
66
67 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
68 }
69
70 static void virtio_scsi_pci_class_init(ObjectClass *klass, void *data)
71 {
72 DeviceClass *dc = DEVICE_CLASS(klass);
73 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
74 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
75
76 k->realize = virtio_scsi_pci_realize;
77 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
78 device_class_set_props(dc, virtio_scsi_pci_properties);
79 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
80 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
81 pcidev_k->revision = 0x00;
82 pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
83 }
84
85 static void virtio_scsi_pci_instance_init(Object *obj)
86 {
87 VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
88
89 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
90 TYPE_VIRTIO_SCSI);
91 }
92
93 static const VirtioPCIDeviceTypeInfo virtio_scsi_pci_info = {
94 .base_name = TYPE_VIRTIO_SCSI_PCI,
95 .generic_name = "virtio-scsi-pci",
96 .transitional_name = "virtio-scsi-pci-transitional",
97 .non_transitional_name = "virtio-scsi-pci-non-transitional",
98 .instance_size = sizeof(VirtIOSCSIPCI),
99 .instance_init = virtio_scsi_pci_instance_init,
100 .class_init = virtio_scsi_pci_class_init,
101 };
102
103 static void virtio_scsi_pci_register(void)
104 {
105 virtio_pci_types_register(&virtio_scsi_pci_info);
106 }
107
108 type_init(virtio_scsi_pci_register)