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/*
* Virtio rng PCI Bindings
*
* Copyright 2012 Red Hat, Inc.
* Copyright 2012 Amit Shah <amit.shah@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* (at your option) any later version. See the COPYING file in the
* top-level directory.
*/
#include "qemu/osdep.h"
#include "hw/virtio/virtio-pci.h"
#include "hw/virtio/virtio-rng.h"
#include "hw/qdev-properties.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "qom/object.h"
typedef struct VirtIORngPCI VirtIORngPCI;
/*
* virtio-rng-pci: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci-base"
DECLARE_INSTANCE_CHECKER(VirtIORngPCI, VIRTIO_RNG_PCI,
TYPE_VIRTIO_RNG_PCI)
struct VirtIORngPCI {
VirtIOPCIProxy parent_obj;
VirtIORNG vdev;
};
static const Property virtio_rng_properties[] = {
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
DEFINE_PROP_END_OF_LIST(),
};
static void virtio_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
{
VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev);
DeviceState *vdev = DEVICE(&vrng->vdev);
if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
vpci_dev->nvectors = 2;
}
if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) {
return;
}
}
static void virtio_rng_pci_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
k->realize = virtio_rng_pci_realize;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG;
pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
pcidev_k->class_id = PCI_CLASS_OTHERS;
device_class_set_props(dc, virtio_rng_properties);
}
static void virtio_rng_initfn(Object *obj)
{
VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_RNG);
}
static const VirtioPCIDeviceTypeInfo virtio_rng_pci_info = {
.base_name = TYPE_VIRTIO_RNG_PCI,
.generic_name = "virtio-rng-pci",
.transitional_name = "virtio-rng-pci-transitional",
.non_transitional_name = "virtio-rng-pci-non-transitional",
.instance_size = sizeof(VirtIORngPCI),
.instance_init = virtio_rng_initfn,
.class_init = virtio_rng_pci_class_init,
};
static void virtio_rng_pci_register(void)
{
virtio_pci_types_register(&virtio_rng_pci_info);
}
type_init(virtio_rng_pci_register)
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