1 /* 2 * Virtio net PCI Bindings 3 * 4 * Copyright IBM, Corp. 2007 5 * Copyright (c) 2009 CodeSourcery 6 * 7 * Authors: 8 * Anthony Liguori <aliguori@us.ibm.com> 9 * Paul Brook <paul@codesourcery.com> 10 * 11 * This work is licensed under the terms of the GNU GPL, version 2. See 12 * the COPYING file in the top-level directory. 13 * 14 * Contributions after 2012-01-13 are licensed under the terms of the 15 * GNU GPL, version 2 or (at your option) any later version. 16 */ 17 18 #include "qemu/osdep.h" 19 20 #include "hw/virtio/virtio-net.h" 21 #include "virtio-pci.h" 22 #include "qapi/error.h" 23 24 typedef struct VirtIONetPCI VirtIONetPCI; 25 26 /* 27 * virtio-net-pci: This extends VirtioPCIProxy. 28 */ 29 #define TYPE_VIRTIO_NET_PCI "virtio-net-pci-base" 30 #define VIRTIO_NET_PCI(obj) \ 31 OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) 32 33 struct VirtIONetPCI { 34 VirtIOPCIProxy parent_obj; 35 VirtIONet vdev; 36 }; 37 38 static Property virtio_net_properties[] = { 39 DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, 40 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), 41 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3), 42 DEFINE_PROP_END_OF_LIST(), 43 }; 44 45 static void virtio_net_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) 46 { 47 DeviceState *qdev = DEVICE(vpci_dev); 48 VirtIONetPCI *dev = VIRTIO_NET_PCI(vpci_dev); 49 DeviceState *vdev = DEVICE(&dev->vdev); 50 51 virtio_net_set_netclient_name(&dev->vdev, qdev->id, 52 object_get_typename(OBJECT(qdev))); 53 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); 54 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 55 } 56 57 static void virtio_net_pci_class_init(ObjectClass *klass, void *data) 58 { 59 DeviceClass *dc = DEVICE_CLASS(klass); 60 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 61 VirtioPCIClass *vpciklass = VIRTIO_PCI_CLASS(klass); 62 63 k->romfile = "efi-virtio.rom"; 64 k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; 65 k->device_id = PCI_DEVICE_ID_VIRTIO_NET; 66 k->revision = VIRTIO_PCI_ABI_VERSION; 67 k->class_id = PCI_CLASS_NETWORK_ETHERNET; 68 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 69 dc->props = virtio_net_properties; 70 vpciklass->realize = virtio_net_pci_realize; 71 } 72 73 static void virtio_net_pci_instance_init(Object *obj) 74 { 75 VirtIONetPCI *dev = VIRTIO_NET_PCI(obj); 76 77 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 78 TYPE_VIRTIO_NET); 79 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 80 "bootindex", &error_abort); 81 } 82 83 static const VirtioPCIDeviceTypeInfo virtio_net_pci_info = { 84 .base_name = TYPE_VIRTIO_NET_PCI, 85 .generic_name = "virtio-net-pci", 86 .transitional_name = "virtio-net-pci-transitional", 87 .non_transitional_name = "virtio-net-pci-non-transitional", 88 .instance_size = sizeof(VirtIONetPCI), 89 .instance_init = virtio_net_pci_instance_init, 90 .class_init = virtio_net_pci_class_init, 91 }; 92 93 static void virtio_net_pci_register(void) 94 { 95 virtio_pci_types_register(&virtio_net_pci_info); 96 } 97 98 type_init(virtio_net_pci_register) 99