80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
|
/*
|
||
|
|
* 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 "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 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);
|