mirror of https://gitee.com/openkylin/qemu.git
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
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/*
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* Virtio rng PCI Bindings
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*
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* Copyright 2012 Red Hat, Inc.
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* Copyright 2012 Amit Shah <amit.shah@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* (at your option) any later version. See the COPYING file in the
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* top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "virtio-pci.h"
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#include "hw/virtio/virtio-rng.h"
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#include "qapi/error.h"
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typedef struct VirtIORngPCI VirtIORngPCI;
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/*
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* virtio-rng-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci-base"
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#define VIRTIO_RNG_PCI(obj) \
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OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI)
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struct VirtIORngPCI {
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VirtIOPCIProxy parent_obj;
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VirtIORNG vdev;
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};
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static void virtio_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
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{
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VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev);
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DeviceState *vdev = DEVICE(&vrng->vdev);
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Error *err = NULL;
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qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
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object_property_set_bool(OBJECT(vdev), true, "realized", &err);
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if (err) {
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error_propagate(errp, err);
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return;
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}
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object_property_set_link(OBJECT(vrng),
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OBJECT(vrng->vdev.conf.rng), "rng",
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NULL);
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}
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static void virtio_rng_pci_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
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PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
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k->realize = virtio_rng_pci_realize;
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
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pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG;
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pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
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pcidev_k->class_id = PCI_CLASS_OTHERS;
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}
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static void virtio_rng_initfn(Object *obj)
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{
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VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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TYPE_VIRTIO_RNG);
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}
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static const VirtioPCIDeviceTypeInfo virtio_rng_pci_info = {
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.base_name = TYPE_VIRTIO_RNG_PCI,
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.generic_name = "virtio-rng-pci",
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.transitional_name = "virtio-rng-pci-transitional",
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.non_transitional_name = "virtio-rng-pci-non-transitional",
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.instance_size = sizeof(VirtIORngPCI),
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.instance_init = virtio_rng_initfn,
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.class_init = virtio_rng_pci_class_init,
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};
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static void virtio_rng_pci_register(void)
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{
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virtio_pci_types_register(&virtio_rng_pci_info);
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}
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type_init(virtio_rng_pci_register)
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