mirror of https://gitee.com/openkylin/qemu.git
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
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* Virtio 9p PCI Bindings
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*
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* Copyright IBM, Corp. 2010
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu/osdep.h"
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#include "virtio-pci.h"
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#include "hw/9pfs/virtio-9p.h"
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#include "hw/qdev-properties.h"
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#include "qemu/module.h"
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#include "qom/object.h"
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/*
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* virtio-9p-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_9P_PCI "virtio-9p-pci-base"
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typedef struct V9fsPCIState V9fsPCIState;
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DECLARE_INSTANCE_CHECKER(V9fsPCIState, VIRTIO_9P_PCI,
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TYPE_VIRTIO_9P_PCI)
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struct V9fsPCIState {
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VirtIOPCIProxy parent_obj;
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V9fsVirtioState vdev;
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};
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static void virtio_9p_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
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{
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V9fsPCIState *dev = VIRTIO_9P_PCI(vpci_dev);
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DeviceState *vdev = DEVICE(&dev->vdev);
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qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
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}
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static Property virtio_9p_pci_properties[] = {
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DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
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VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
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DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void virtio_9p_pci_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
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VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
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k->realize = virtio_9p_pci_realize;
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pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
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pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_9P;
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pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
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pcidev_k->class_id = 0x2;
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set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
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device_class_set_props(dc, virtio_9p_pci_properties);
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}
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static void virtio_9p_pci_instance_init(Object *obj)
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{
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V9fsPCIState *dev = VIRTIO_9P_PCI(obj);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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TYPE_VIRTIO_9P);
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}
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static const VirtioPCIDeviceTypeInfo virtio_9p_pci_info = {
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.base_name = TYPE_VIRTIO_9P_PCI,
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.generic_name = "virtio-9p-pci",
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.transitional_name = "virtio-9p-pci-transitional",
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.non_transitional_name = "virtio-9p-pci-non-transitional",
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.instance_size = sizeof(V9fsPCIState),
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.instance_init = virtio_9p_pci_instance_init,
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.class_init = virtio_9p_pci_class_init,
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};
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static void virtio_9p_pci_register(void)
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{
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virtio_pci_types_register(&virtio_9p_pci_info);
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}
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type_init(virtio_9p_pci_register)
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