This allows other device classes that will be exposed via PCI to be able to do so in the appropriate hw/ directory. I resisted the temptation to re-order headers to be more aesthetically pleasing. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20200925125147.26943-4-alex.bennee@linaro.org> Message-Id: <20220321153037.3622127-2-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
		
			
				
	
	
		
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			80 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Vhost-user RNG virtio device PCI glue
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 *
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 * Copyright (c) 2021 Mathieu Poirier <mathieu.poirier@linaro.org>
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 *
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 * SPDX-License-Identifier: GPL-2.0-or-later
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 */
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#include "qemu/osdep.h"
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#include "hw/qdev-properties.h"
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#include "hw/virtio/vhost-user-rng.h"
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#include "hw/virtio/virtio-pci.h"
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struct VHostUserRNGPCI {
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    VirtIOPCIProxy parent_obj;
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    VHostUserRNG vdev;
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};
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typedef struct VHostUserRNGPCI VHostUserRNGPCI;
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#define TYPE_VHOST_USER_RNG_PCI "vhost-user-rng-pci-base"
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DECLARE_INSTANCE_CHECKER(VHostUserRNGPCI, VHOST_USER_RNG_PCI,
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                         TYPE_VHOST_USER_RNG_PCI)
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static Property vhost_user_rng_pci_properties[] = {
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    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
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                       DEV_NVECTORS_UNSPECIFIED),
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    DEFINE_PROP_END_OF_LIST(),
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};
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static void vhost_user_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
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{
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    VHostUserRNGPCI *dev = VHOST_USER_RNG_PCI(vpci_dev);
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    DeviceState *vdev = DEVICE(&dev->vdev);
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    if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
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        vpci_dev->nvectors = 1;
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    }
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    qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
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}
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static void vhost_user_rng_pci_class_init(ObjectClass *klass, void *data)
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{
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    DeviceClass *dc = DEVICE_CLASS(klass);
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    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
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    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
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    k->realize = vhost_user_rng_pci_realize;
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    set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
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    device_class_set_props(dc, vhost_user_rng_pci_properties);
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    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
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    pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
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    pcidev_k->revision = 0x00;
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    pcidev_k->class_id = PCI_CLASS_OTHERS;
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}
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static void vhost_user_rng_pci_instance_init(Object *obj)
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{
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    VHostUserRNGPCI *dev = VHOST_USER_RNG_PCI(obj);
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    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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                                TYPE_VHOST_USER_RNG);
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}
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static const VirtioPCIDeviceTypeInfo vhost_user_rng_pci_info = {
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    .base_name = TYPE_VHOST_USER_RNG_PCI,
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    .non_transitional_name = "vhost-user-rng-pci",
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    .instance_size = sizeof(VHostUserRNGPCI),
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    .instance_init = vhost_user_rng_pci_instance_init,
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    .class_init = vhost_user_rng_pci_class_init,
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};
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static void vhost_user_rng_pci_register(void)
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{
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    virtio_pci_types_register(&vhost_user_rng_pci_info);
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}
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type_init(vhost_user_rng_pci_register);
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