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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 | ||
e1b1f534 | 13 | #include "hw/virtio/virtio-pci.h" |
9b83bb27 SG |
14 | #include "hw/qdev-properties.h" |
15 | #include "hw/virtio/vhost-user-vsock.h" | |
db1015e9 | 16 | #include "qom/object.h" |
9b83bb27 SG |
17 | |
18 | typedef struct VHostUserVSockPCI VHostUserVSockPCI; | |
19 | ||
20 | /* | |
21 | * vhost-user-vsock-pci: This extends VirtioPCIProxy. | |
22 | */ | |
23 | #define TYPE_VHOST_USER_VSOCK_PCI "vhost-user-vsock-pci-base" | |
8110fa1d EH |
24 | DECLARE_INSTANCE_CHECKER(VHostUserVSockPCI, VHOST_USER_VSOCK_PCI, |
25 | TYPE_VHOST_USER_VSOCK_PCI) | |
9b83bb27 SG |
26 | |
27 | struct VHostUserVSockPCI { | |
28 | VirtIOPCIProxy parent_obj; | |
29 | VHostUserVSock vdev; | |
30 | }; | |
31 | ||
32 | /* vhost-user-vsock-pci */ | |
33 | ||
34 | static Property vhost_user_vsock_pci_properties[] = { | |
35 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3), | |
36 | DEFINE_PROP_END_OF_LIST(), | |
37 | }; | |
38 | ||
39 | static void vhost_user_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
40 | { | |
41 | VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(vpci_dev); | |
42 | DeviceState *vdev = DEVICE(&dev->vdev); | |
43 | ||
27eda699 SG |
44 | /* unlike vhost-vsock, we do not need to care about pre-5.1 compat */ |
45 | virtio_pci_force_virtio_1(vpci_dev); | |
46 | ||
99ba777e | 47 | qdev_realize(vdev, BUS(&vpci_dev->bus), errp); |
9b83bb27 SG |
48 | } |
49 | ||
50 | static void vhost_user_vsock_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_vsock_pci_realize; | |
56 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
57 | device_class_set_props(dc, vhost_user_vsock_pci_properties); | |
58 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; | |
59 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK; | |
60 | pcidev_k->revision = 0x00; | |
61 | pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; | |
62 | } | |
63 | ||
64 | static void vhost_user_vsock_pci_instance_init(Object *obj) | |
65 | { | |
66 | VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(obj); | |
67 | ||
68 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
69 | TYPE_VHOST_USER_VSOCK); | |
70 | } | |
71 | ||
72 | static const VirtioPCIDeviceTypeInfo vhost_user_vsock_pci_info = { | |
73 | .base_name = TYPE_VHOST_USER_VSOCK_PCI, | |
74 | .generic_name = "vhost-user-vsock-pci", | |
9b83bb27 SG |
75 | .non_transitional_name = "vhost-user-vsock-pci-non-transitional", |
76 | .instance_size = sizeof(VHostUserVSockPCI), | |
77 | .instance_init = vhost_user_vsock_pci_instance_init, | |
78 | .class_init = vhost_user_vsock_pci_class_init, | |
79 | }; | |
80 | ||
81 | static void virtio_pci_vhost_register(void) | |
82 | { | |
83 | virtio_pci_types_register(&vhost_user_vsock_pci_info); | |
84 | } | |
85 | ||
86 | type_init(virtio_pci_vhost_register) |