qdev: Convert uses of qdev_set_parent_bus() with Coccinelle
[qemu.git] / hw / virtio / vhost-user-fs-pci.c
1 /*
2 * Vhost-user filesystem virtio device PCI glue
3 *
4 * Copyright 2018-2019 Red Hat, Inc.
5 *
6 * Authors:
7 * Dr. David Alan Gilbert <dgilbert@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or
10 * (at your option) any later version. See the COPYING file in the
11 * top-level directory.
12 */
13
14 #include "qemu/osdep.h"
15 #include "hw/qdev-properties.h"
16 #include "hw/virtio/vhost-user-fs.h"
17 #include "virtio-pci.h"
18
19 struct VHostUserFSPCI {
20 VirtIOPCIProxy parent_obj;
21 VHostUserFS vdev;
22 };
23
24 typedef struct VHostUserFSPCI VHostUserFSPCI;
25
26 #define TYPE_VHOST_USER_FS_PCI "vhost-user-fs-pci-base"
27
28 #define VHOST_USER_FS_PCI(obj) \
29 OBJECT_CHECK(VHostUserFSPCI, (obj), TYPE_VHOST_USER_FS_PCI)
30
31 static Property vhost_user_fs_pci_properties[] = {
32 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
33 DEV_NVECTORS_UNSPECIFIED),
34 DEFINE_PROP_END_OF_LIST(),
35 };
36
37 static void vhost_user_fs_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
38 {
39 VHostUserFSPCI *dev = VHOST_USER_FS_PCI(vpci_dev);
40 DeviceState *vdev = DEVICE(&dev->vdev);
41
42 if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
43 /* Also reserve config change and hiprio queue vectors */
44 vpci_dev->nvectors = dev->vdev.conf.num_request_queues + 2;
45 }
46
47 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
48 }
49
50 static void vhost_user_fs_pci_class_init(ObjectClass *klass, void *data)
51 {
52 DeviceClass *dc = DEVICE_CLASS(klass);
53 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
54 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
55 k->realize = vhost_user_fs_pci_realize;
56 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
57 device_class_set_props(dc, vhost_user_fs_pci_properties);
58 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
59 pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
60 pcidev_k->revision = 0x00;
61 pcidev_k->class_id = PCI_CLASS_STORAGE_OTHER;
62 }
63
64 static void vhost_user_fs_pci_instance_init(Object *obj)
65 {
66 VHostUserFSPCI *dev = VHOST_USER_FS_PCI(obj);
67
68 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
69 TYPE_VHOST_USER_FS);
70 }
71
72 static const VirtioPCIDeviceTypeInfo vhost_user_fs_pci_info = {
73 .base_name = TYPE_VHOST_USER_FS_PCI,
74 .non_transitional_name = "vhost-user-fs-pci",
75 .instance_size = sizeof(VHostUserFSPCI),
76 .instance_init = vhost_user_fs_pci_instance_init,
77 .class_init = vhost_user_fs_pci_class_init,
78 };
79
80 static void vhost_user_fs_pci_register(void)
81 {
82 virtio_pci_types_register(&vhost_user_fs_pci_info);
83 }
84
85 type_init(vhost_user_fs_pci_register);