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 #include "qemu/module.h" 19 20 typedef struct VHostVSockPCI VHostVSockPCI; 21 22 /* 23 * vhost-vsock-pci: This extends VirtioPCIProxy. 24 */ 25 #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci-base" 26 #define VHOST_VSOCK_PCI(obj) \ 27 OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI) 28 29 struct VHostVSockPCI { 30 VirtIOPCIProxy parent_obj; 31 VHostVSock vdev; 32 }; 33 34 /* vhost-vsock-pci */ 35 36 static Property vhost_vsock_pci_properties[] = { 37 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3), 38 DEFINE_PROP_END_OF_LIST(), 39 }; 40 41 static void vhost_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) 42 { 43 VHostVSockPCI *dev = VHOST_VSOCK_PCI(vpci_dev); 44 DeviceState *vdev = DEVICE(&dev->vdev); 45 46 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); 47 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 48 } 49 50 static void vhost_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_vsock_pci_realize; 56 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 57 dc->props = vhost_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_vsock_pci_instance_init(Object *obj) 65 { 66 VHostVSockPCI *dev = VHOST_VSOCK_PCI(obj); 67 68 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 69 TYPE_VHOST_VSOCK); 70 } 71 72 static const VirtioPCIDeviceTypeInfo vhost_vsock_pci_info = { 73 .base_name = TYPE_VHOST_VSOCK_PCI, 74 .generic_name = "vhost-vsock-pci", 75 .transitional_name = "vhost-vsock-pci-transitional", 76 .non_transitional_name = "vhost-vsock-pci-non-transitional", 77 .instance_size = sizeof(VHostVSockPCI), 78 .instance_init = vhost_vsock_pci_instance_init, 79 .class_init = vhost_vsock_pci_class_init, 80 }; 81 82 static void virtio_pci_vhost_register(void) 83 { 84 virtio_pci_types_register(&vhost_vsock_pci_info); 85 } 86 87 type_init(virtio_pci_vhost_register) 88