mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/*
|
|
* 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 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)
|