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9b83bb27 SG |
1 | /* |
2 | * Vhost-user vsock PCI Bindings | |
3 | * | |
4 | * Copyright 2020 Red Hat, Inc. | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or | |
7 | * (at your option) any later version. See the COPYING file in the | |
8 | * top-level directory. | |
9 | */ | |
10 | ||
11 | #include "qemu/osdep.h" | |
12 | ||
13 | #include "virtio-pci.h" | |
14 | #include "hw/qdev-properties.h" | |
15 | #include "hw/virtio/vhost-user-vsock.h" | |
16 | ||
17 | typedef struct VHostUserVSockPCI VHostUserVSockPCI; | |
18 | ||
19 | /* | |
20 | * vhost-user-vsock-pci: This extends VirtioPCIProxy. | |
21 | */ | |
22 | #define TYPE_VHOST_USER_VSOCK_PCI "vhost-user-vsock-pci-base" | |
23 | #define VHOST_USER_VSOCK_PCI(obj) \ | |
24 | OBJECT_CHECK(VHostUserVSockPCI, (obj), TYPE_VHOST_USER_VSOCK_PCI) | |
25 | ||
26 | struct VHostUserVSockPCI { | |
27 | VirtIOPCIProxy parent_obj; | |
28 | VHostUserVSock vdev; | |
29 | }; | |
30 | ||
31 | /* vhost-user-vsock-pci */ | |
32 | ||
33 | static Property vhost_user_vsock_pci_properties[] = { | |
34 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3), | |
35 | DEFINE_PROP_END_OF_LIST(), | |
36 | }; | |
37 | ||
38 | static void vhost_user_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
39 | { | |
40 | VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(vpci_dev); | |
41 | DeviceState *vdev = DEVICE(&dev->vdev); | |
42 | ||
43 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); | |
44 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); | |
45 | } | |
46 | ||
47 | static void vhost_user_vsock_pci_class_init(ObjectClass *klass, void *data) | |
48 | { | |
49 | DeviceClass *dc = DEVICE_CLASS(klass); | |
50 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | |
51 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | |
52 | k->realize = vhost_user_vsock_pci_realize; | |
53 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
54 | device_class_set_props(dc, vhost_user_vsock_pci_properties); | |
55 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; | |
56 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK; | |
57 | pcidev_k->revision = 0x00; | |
58 | pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; | |
59 | } | |
60 | ||
61 | static void vhost_user_vsock_pci_instance_init(Object *obj) | |
62 | { | |
63 | VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(obj); | |
64 | ||
65 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
66 | TYPE_VHOST_USER_VSOCK); | |
67 | } | |
68 | ||
69 | static const VirtioPCIDeviceTypeInfo vhost_user_vsock_pci_info = { | |
70 | .base_name = TYPE_VHOST_USER_VSOCK_PCI, | |
71 | .generic_name = "vhost-user-vsock-pci", | |
72 | .transitional_name = "vhost-user-vsock-pci-transitional", | |
73 | .non_transitional_name = "vhost-user-vsock-pci-non-transitional", | |
74 | .instance_size = sizeof(VHostUserVSockPCI), | |
75 | .instance_init = vhost_user_vsock_pci_instance_init, | |
76 | .class_init = vhost_user_vsock_pci_class_init, | |
77 | }; | |
78 | ||
79 | static void virtio_pci_vhost_register(void) | |
80 | { | |
81 | virtio_pci_types_register(&vhost_user_vsock_pci_info); | |
82 | } | |
83 | ||
84 | type_init(virtio_pci_vhost_register) |