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/*
* Vhost-user RNG virtio device PCI glue
*
* Copyright (c) 2021 Mathieu Poirier <mathieu.poirier@linaro.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "hw/qdev-properties.h"
#include "hw/virtio/vhost-user-rng.h"
#include "hw/virtio/virtio-pci.h"
struct VHostUserRNGPCI {
VirtIOPCIProxy parent_obj;
VHostUserRNG vdev;
};
typedef struct VHostUserRNGPCI VHostUserRNGPCI;
#define TYPE_VHOST_USER_RNG_PCI "vhost-user-rng-pci-base"
DECLARE_INSTANCE_CHECKER(VHostUserRNGPCI, VHOST_USER_RNG_PCI,
TYPE_VHOST_USER_RNG_PCI)
static const Property vhost_user_rng_pci_properties[] = {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
DEFINE_PROP_END_OF_LIST(),
};
static void vhost_user_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
{
VHostUserRNGPCI *dev = VHOST_USER_RNG_PCI(vpci_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
vpci_dev->nvectors = 1;
}
qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
}
static void vhost_user_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 = vhost_user_rng_pci_realize;
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
device_class_set_props(dc, vhost_user_rng_pci_properties);
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
pcidev_k->revision = 0x00;
pcidev_k->class_id = PCI_CLASS_OTHERS;
}
static void vhost_user_rng_pci_instance_init(Object *obj)
{
VHostUserRNGPCI *dev = VHOST_USER_RNG_PCI(obj);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VHOST_USER_RNG);
}
static const VirtioPCIDeviceTypeInfo vhost_user_rng_pci_info = {
.base_name = TYPE_VHOST_USER_RNG_PCI,
.non_transitional_name = "vhost-user-rng-pci",
.instance_size = sizeof(VHostUserRNGPCI),
.instance_init = vhost_user_rng_pci_instance_init,
.class_init = vhost_user_rng_pci_class_init,
};
static void vhost_user_rng_pci_register(void)
{
virtio_pci_types_register(&vhost_user_rng_pci_info);
}
type_init(vhost_user_rng_pci_register);
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