qdev: Convert uses of qdev_set_parent_bus() with Coccinelle
[qemu.git] / hw / virtio / virtio-blk-pci.c
1 /*
2 * Virtio blk 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. See
12 * the COPYING file in the top-level directory.
13 *
14 * Contributions after 2012-01-13 are licensed under the terms of the
15 * GNU GPL, version 2 or (at your option) any later version.
16 */
17
18 #include "qemu/osdep.h"
19
20 #include "hw/qdev-properties.h"
21 #include "hw/virtio/virtio-blk.h"
22 #include "virtio-pci.h"
23 #include "qapi/error.h"
24 #include "qemu/module.h"
25
26 typedef struct VirtIOBlkPCI VirtIOBlkPCI;
27
28 /*
29 * virtio-blk-pci: This extends VirtioPCIProxy.
30 */
31 #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci-base"
32 #define VIRTIO_BLK_PCI(obj) \
33 OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI)
34
35 struct VirtIOBlkPCI {
36 VirtIOPCIProxy parent_obj;
37 VirtIOBlock vdev;
38 };
39
40 static Property virtio_blk_pci_properties[] = {
41 DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
42 DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
43 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
44 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
45 DEV_NVECTORS_UNSPECIFIED),
46 DEFINE_PROP_END_OF_LIST(),
47 };
48
49 static void virtio_blk_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
50 {
51 VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(vpci_dev);
52 DeviceState *vdev = DEVICE(&dev->vdev);
53
54 if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
55 vpci_dev->nvectors = dev->vdev.conf.num_queues + 1;
56 }
57
58 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
59 }
60
61 static void virtio_blk_pci_class_init(ObjectClass *klass, void *data)
62 {
63 DeviceClass *dc = DEVICE_CLASS(klass);
64 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
65 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
66
67 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
68 device_class_set_props(dc, virtio_blk_pci_properties);
69 k->realize = virtio_blk_pci_realize;
70 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
71 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
72 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
73 pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
74 }
75
76 static void virtio_blk_pci_instance_init(Object *obj)
77 {
78 VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(obj);
79
80 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
81 TYPE_VIRTIO_BLK);
82 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
83 "bootindex");
84 }
85
86 static const VirtioPCIDeviceTypeInfo virtio_blk_pci_info = {
87 .base_name = TYPE_VIRTIO_BLK_PCI,
88 .generic_name = "virtio-blk-pci",
89 .transitional_name = "virtio-blk-pci-transitional",
90 .non_transitional_name = "virtio-blk-pci-non-transitional",
91 .instance_size = sizeof(VirtIOBlkPCI),
92 .instance_init = virtio_blk_pci_instance_init,
93 .class_init = virtio_blk_pci_class_init,
94 };
95
96 static void virtio_blk_pci_register(void)
97 {
98 virtio_pci_types_register(&virtio_blk_pci_info);
99 }
100
101 type_init(virtio_blk_pci_register)