projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 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) |