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_realize(vdev, BUS(&vpci_dev->bus), errp); 44 } 45 46 static void vhost_user_vsock_pci_class_init(ObjectClass *klass, void *data) 47 { 48 DeviceClass *dc = DEVICE_CLASS(klass); 49 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 50 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 51 k->realize = vhost_user_vsock_pci_realize; 52 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 53 device_class_set_props(dc, vhost_user_vsock_pci_properties); 54 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; 55 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK; 56 pcidev_k->revision = 0x00; 57 pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; 58 } 59 60 static void vhost_user_vsock_pci_instance_init(Object *obj) 61 { 62 VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(obj); 63 64 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 65 TYPE_VHOST_USER_VSOCK); 66 } 67 68 static const VirtioPCIDeviceTypeInfo vhost_user_vsock_pci_info = { 69 .base_name = TYPE_VHOST_USER_VSOCK_PCI, 70 .generic_name = "vhost-user-vsock-pci", 71 .transitional_name = "vhost-user-vsock-pci-transitional", 72 .non_transitional_name = "vhost-user-vsock-pci-non-transitional", 73 .instance_size = sizeof(VHostUserVSockPCI), 74 .instance_init = vhost_user_vsock_pci_instance_init, 75 .class_init = vhost_user_vsock_pci_class_init, 76 }; 77 78 static void virtio_pci_vhost_register(void) 79 { 80 virtio_pci_types_register(&vhost_user_vsock_pci_info); 81 } 82 83 type_init(virtio_pci_vhost_register) 84