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/virtio/vhost-vsock.h" 18 19 typedef struct VHostVSockPCI VHostVSockPCI; 20 21 /* 22 * vhost-vsock-pci: This extends VirtioPCIProxy. 23 */ 24 #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci-base" 25 #define VHOST_VSOCK_PCI(obj) \ 26 OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI) 27 28 struct VHostVSockPCI { 29 VirtIOPCIProxy parent_obj; 30 VHostVSock vdev; 31 }; 32 33 /* vhost-vsock-pci */ 34 35 static Property vhost_vsock_pci_properties[] = { 36 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3), 37 DEFINE_PROP_END_OF_LIST(), 38 }; 39 40 static void vhost_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) 41 { 42 VHostVSockPCI *dev = VHOST_VSOCK_PCI(vpci_dev); 43 DeviceState *vdev = DEVICE(&dev->vdev); 44 45 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); 46 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 47 } 48 49 static void vhost_vsock_pci_class_init(ObjectClass *klass, void *data) 50 { 51 DeviceClass *dc = DEVICE_CLASS(klass); 52 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 53 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 54 k->realize = vhost_vsock_pci_realize; 55 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 56 dc->props = vhost_vsock_pci_properties; 57 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; 58 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK; 59 pcidev_k->revision = 0x00; 60 pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; 61 } 62 63 static void vhost_vsock_pci_instance_init(Object *obj) 64 { 65 VHostVSockPCI *dev = VHOST_VSOCK_PCI(obj); 66 67 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 68 TYPE_VHOST_VSOCK); 69 } 70 71 static const VirtioPCIDeviceTypeInfo vhost_vsock_pci_info = { 72 .base_name = TYPE_VHOST_VSOCK_PCI, 73 .generic_name = "vhost-vsock-pci", 74 .transitional_name = "vhost-vsock-pci-transitional", 75 .non_transitional_name = "vhost-vsock-pci-non-transitional", 76 .instance_size = sizeof(VHostVSockPCI), 77 .instance_init = vhost_vsock_pci_instance_init, 78 .class_init = vhost_vsock_pci_class_init, 79 }; 80 81 static void virtio_pci_vhost_register(void) 82 { 83 virtio_pci_types_register(&vhost_vsock_pci_info); 84 } 85 86 type_init(virtio_pci_vhost_register) 87