1 /* 2 * Virtio rng PCI Bindings 3 * 4 * Copyright 2012 Red Hat, Inc. 5 * Copyright 2012 Amit Shah <amit.shah@redhat.com> 6 * 7 * This work is licensed under the terms of the GNU GPL, version 2 or 8 * (at your option) any later version. See the COPYING file in the 9 * top-level directory. 10 */ 11 12 #include "qemu/osdep.h" 13 14 #include "hw/virtio/virtio-pci.h" 15 #include "hw/virtio/virtio-rng.h" 16 #include "qapi/error.h" 17 #include "qemu/module.h" 18 #include "qom/object.h" 19 20 typedef struct VirtIORngPCI VirtIORngPCI; 21 22 /* 23 * virtio-rng-pci: This extends VirtioPCIProxy. 24 */ 25 #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci-base" 26 DECLARE_INSTANCE_CHECKER(VirtIORngPCI, VIRTIO_RNG_PCI, 27 TYPE_VIRTIO_RNG_PCI) 28 29 struct VirtIORngPCI { 30 VirtIOPCIProxy parent_obj; 31 VirtIORNG vdev; 32 }; 33 34 static void virtio_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) 35 { 36 VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev); 37 DeviceState *vdev = DEVICE(&vrng->vdev); 38 39 if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) { 40 return; 41 } 42 } 43 44 static void virtio_rng_pci_class_init(ObjectClass *klass, void *data) 45 { 46 DeviceClass *dc = DEVICE_CLASS(klass); 47 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 48 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 49 50 k->realize = virtio_rng_pci_realize; 51 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 52 53 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; 54 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG; 55 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; 56 pcidev_k->class_id = PCI_CLASS_OTHERS; 57 } 58 59 static void virtio_rng_initfn(Object *obj) 60 { 61 VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj); 62 63 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 64 TYPE_VIRTIO_RNG); 65 } 66 67 static const VirtioPCIDeviceTypeInfo virtio_rng_pci_info = { 68 .base_name = TYPE_VIRTIO_RNG_PCI, 69 .generic_name = "virtio-rng-pci", 70 .transitional_name = "virtio-rng-pci-transitional", 71 .non_transitional_name = "virtio-rng-pci-non-transitional", 72 .instance_size = sizeof(VirtIORngPCI), 73 .instance_init = virtio_rng_initfn, 74 .class_init = virtio_rng_pci_class_init, 75 }; 76 77 static void virtio_rng_pci_register(void) 78 { 79 virtio_pci_types_register(&virtio_rng_pci_info); 80 } 81 82 type_init(virtio_rng_pci_register) 83