hw/arm/raspi: fix CPRMAN base address
[qemu.git] / hw / virtio / vhost-vsock-pci.c
1 /*
2 * Vhost vsock PCI Bindings
3 *
4 * Copyright 2015 Red Hat, Inc.
5 *
6 * Authors:
7 * Stefan Hajnoczi <stefanha@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
16 #include "virtio-pci.h"
17 #include "hw/qdev-properties.h"
18 #include "hw/virtio/vhost-vsock.h"
19 #include "qemu/module.h"
20 #include "qom/object.h"
21
22 typedef struct VHostVSockPCI VHostVSockPCI;
23
24 /*
25 * vhost-vsock-pci: This extends VirtioPCIProxy.
26 */
27 #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci-base"
28 DECLARE_INSTANCE_CHECKER(VHostVSockPCI, VHOST_VSOCK_PCI,
29 TYPE_VHOST_VSOCK_PCI)
30
31 struct VHostVSockPCI {
32 VirtIOPCIProxy parent_obj;
33 VHostVSock vdev;
34 };
35
36 /* vhost-vsock-pci */
37
38 static Property vhost_vsock_pci_properties[] = {
39 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
40 DEFINE_PROP_END_OF_LIST(),
41 };
42
43 static void vhost_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
44 {
45 VHostVSockPCI *dev = VHOST_VSOCK_PCI(vpci_dev);
46 DeviceState *vdev = DEVICE(&dev->vdev);
47 VirtIODevice *virtio_dev = VIRTIO_DEVICE(vdev);
48
49 /*
50 * To avoid migration issues, we force virtio version 1 only when
51 * legacy check is enabled in the new machine types (>= 5.1).
52 */
53 if (!virtio_legacy_check_disabled(virtio_dev)) {
54 virtio_pci_force_virtio_1(vpci_dev);
55 }
56
57 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
58 }
59
60 static void vhost_vsock_pci_class_init(ObjectClass *klass, void *data)
61 {
62 DeviceClass *dc = DEVICE_CLASS(klass);
63 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
64 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
65 k->realize = vhost_vsock_pci_realize;
66 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
67 device_class_set_props(dc, vhost_vsock_pci_properties);
68 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
69 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK;
70 pcidev_k->revision = 0x00;
71 pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
72 }
73
74 static void vhost_vsock_pci_instance_init(Object *obj)
75 {
76 VHostVSockPCI *dev = VHOST_VSOCK_PCI(obj);
77
78 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
79 TYPE_VHOST_VSOCK);
80 }
81
82 static const VirtioPCIDeviceTypeInfo vhost_vsock_pci_info = {
83 .base_name = TYPE_VHOST_VSOCK_PCI,
84 .generic_name = "vhost-vsock-pci",
85 .non_transitional_name = "vhost-vsock-pci-non-transitional",
86 .instance_size = sizeof(VHostVSockPCI),
87 .instance_init = vhost_vsock_pci_instance_init,
88 .class_init = vhost_vsock_pci_class_init,
89 };
90
91 static void virtio_pci_vhost_register(void)
92 {
93 virtio_pci_types_register(&vhost_vsock_pci_info);
94 }
95
96 type_init(virtio_pci_vhost_register)