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/qdev-properties.h" 18 #include "hw/virtio/vhost-vsock.h" 19 #include "qemu/module.h" 20 21 typedef struct VHostVSockPCI VHostVSockPCI; 22 23 /* 24 * vhost-vsock-pci: This extends VirtioPCIProxy. 25 */ 26 #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci-base" 27 #define VHOST_VSOCK_PCI(obj) \ 28 OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI) 29 30 struct VHostVSockPCI { 31 VirtIOPCIProxy parent_obj; 32 VHostVSock vdev; 33 }; 34 35 /* vhost-vsock-pci */ 36 37 static Property vhost_vsock_pci_properties[] = { 38 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3), 39 DEFINE_PROP_END_OF_LIST(), 40 }; 41 42 static void vhost_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) 43 { 44 VHostVSockPCI *dev = VHOST_VSOCK_PCI(vpci_dev); 45 DeviceState *vdev = DEVICE(&dev->vdev); 46 47 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); 48 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 49 } 50 51 static void vhost_vsock_pci_class_init(ObjectClass *klass, void *data) 52 { 53 DeviceClass *dc = DEVICE_CLASS(klass); 54 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 55 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 56 k->realize = vhost_vsock_pci_realize; 57 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 58 dc->props = vhost_vsock_pci_properties; 59 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; 60 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK; 61 pcidev_k->revision = 0x00; 62 pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; 63 } 64 65 static void vhost_vsock_pci_instance_init(Object *obj) 66 { 67 VHostVSockPCI *dev = VHOST_VSOCK_PCI(obj); 68 69 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 70 TYPE_VHOST_VSOCK); 71 } 72 73 static const VirtioPCIDeviceTypeInfo vhost_vsock_pci_info = { 74 .base_name = TYPE_VHOST_VSOCK_PCI, 75 .generic_name = "vhost-vsock-pci", 76 .transitional_name = "vhost-vsock-pci-transitional", 77 .non_transitional_name = "vhost-vsock-pci-non-transitional", 78 .instance_size = sizeof(VHostVSockPCI), 79 .instance_init = vhost_vsock_pci_instance_init, 80 .class_init = vhost_vsock_pci_class_init, 81 }; 82 83 static void virtio_pci_vhost_register(void) 84 { 85 virtio_pci_types_register(&vhost_vsock_pci_info); 86 } 87 88 type_init(virtio_pci_vhost_register) 89