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 | |
21 | typedef struct VHostVSockPCI VHostVSockPCI; |
22 | |
23 | /* |
24 | * vhost-vsock-pci: This extends VirtioPCIProxy. |
25 | */ |
26 | #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci-base" |
27 | #define VHOST_VSOCK_PCI(obj) \ |
28 | OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI) |
29 | |
30 | struct VHostVSockPCI { |
31 | VirtIOPCIProxy parent_obj; |
32 | VHostVSock vdev; |
33 | }; |
34 | |
35 | /* vhost-vsock-pci */ |
36 | |
37 | static Property vhost_vsock_pci_properties[] = { |
38 | DEFINE_PROP_UINT32("vectors" , VirtIOPCIProxy, nvectors, 3), |
39 | DEFINE_PROP_END_OF_LIST(), |
40 | }; |
41 | |
42 | static void vhost_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) |
43 | { |
44 | VHostVSockPCI *dev = VHOST_VSOCK_PCI(vpci_dev); |
45 | DeviceState *vdev = DEVICE(&dev->vdev); |
46 | |
47 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); |
48 | object_property_set_bool(OBJECT(vdev), true, "realized" , errp); |
49 | } |
50 | |
51 | static void vhost_vsock_pci_class_init(ObjectClass *klass, void *data) |
52 | { |
53 | DeviceClass *dc = DEVICE_CLASS(klass); |
54 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); |
55 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); |
56 | k->realize = vhost_vsock_pci_realize; |
57 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
58 | dc->props = vhost_vsock_pci_properties; |
59 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; |
60 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK; |
61 | pcidev_k->revision = 0x00; |
62 | pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; |
63 | } |
64 | |
65 | static void vhost_vsock_pci_instance_init(Object *obj) |
66 | { |
67 | VHostVSockPCI *dev = VHOST_VSOCK_PCI(obj); |
68 | |
69 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
70 | TYPE_VHOST_VSOCK); |
71 | } |
72 | |
73 | static const VirtioPCIDeviceTypeInfo vhost_vsock_pci_info = { |
74 | .base_name = TYPE_VHOST_VSOCK_PCI, |
75 | .generic_name = "vhost-vsock-pci" , |
76 | .transitional_name = "vhost-vsock-pci-transitional" , |
77 | .non_transitional_name = "vhost-vsock-pci-non-transitional" , |
78 | .instance_size = sizeof(VHostVSockPCI), |
79 | .instance_init = vhost_vsock_pci_instance_init, |
80 | .class_init = vhost_vsock_pci_class_init, |
81 | }; |
82 | |
83 | static void virtio_pci_vhost_register(void) |
84 | { |
85 | virtio_pci_types_register(&vhost_vsock_pci_info); |
86 | } |
87 | |
88 | type_init(virtio_pci_vhost_register) |
89 | |