/* * 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 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);