cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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virtio-gpu-pci.c (2919B)

      1/*
      2 * Virtio video device
      3 *
      4 * Copyright Red Hat
      5 *
      6 * Authors:
      7 *  Dave Airlie
      8 *
      9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
     10 * See the COPYING file in the top-level directory.
     11 *
     12 */
     13
     14#include "qemu/osdep.h"
     15#include "qapi/error.h"
     16#include "qemu/module.h"
     17#include "hw/pci/pci.h"
     18#include "hw/qdev-properties.h"
     19#include "hw/virtio/virtio.h"
     20#include "hw/virtio/virtio-bus.h"
     21#include "hw/virtio/virtio-gpu-pci.h"
     22#include "qom/object.h"
     23
     24static Property virtio_gpu_pci_base_properties[] = {
     25    DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy),
     26    DEFINE_PROP_END_OF_LIST(),
     27};
     28
     29static void virtio_gpu_pci_base_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     30{
     31    VirtIOGPUPCIBase *vgpu = VIRTIO_GPU_PCI_BASE(vpci_dev);
     32    VirtIOGPUBase *g = vgpu->vgpu;
     33    DeviceState *vdev = DEVICE(g);
     34    int i;
     35
     36    virtio_pci_force_virtio_1(vpci_dev);
     37    if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) {
     38        return;
     39    }
     40
     41    for (i = 0; i < g->conf.max_outputs; i++) {
     42        object_property_set_link(OBJECT(g->scanout[i].con), "device",
     43                                 OBJECT(vpci_dev), &error_abort);
     44    }
     45}
     46
     47static void virtio_gpu_pci_base_class_init(ObjectClass *klass, void *data)
     48{
     49    DeviceClass *dc = DEVICE_CLASS(klass);
     50    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
     51    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
     52
     53    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
     54    device_class_set_props(dc, virtio_gpu_pci_base_properties);
     55    dc->hotpluggable = false;
     56    k->realize = virtio_gpu_pci_base_realize;
     57    pcidev_k->class_id = PCI_CLASS_DISPLAY_OTHER;
     58}
     59
     60static const TypeInfo virtio_gpu_pci_base_info = {
     61    .name = TYPE_VIRTIO_GPU_PCI_BASE,
     62    .parent = TYPE_VIRTIO_PCI,
     63    .instance_size = sizeof(VirtIOGPUPCIBase),
     64    .class_init = virtio_gpu_pci_base_class_init,
     65    .abstract = true
     66};
     67module_obj(TYPE_VIRTIO_GPU_PCI_BASE);
     68
     69#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
     70typedef struct VirtIOGPUPCI VirtIOGPUPCI;
     71DECLARE_INSTANCE_CHECKER(VirtIOGPUPCI, VIRTIO_GPU_PCI,
     72                         TYPE_VIRTIO_GPU_PCI)
     73
     74struct VirtIOGPUPCI {
     75    VirtIOGPUPCIBase parent_obj;
     76    VirtIOGPU vdev;
     77};
     78
     79static void virtio_gpu_initfn(Object *obj)
     80{
     81    VirtIOGPUPCI *dev = VIRTIO_GPU_PCI(obj);
     82
     83    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     84                                TYPE_VIRTIO_GPU);
     85    VIRTIO_GPU_PCI_BASE(obj)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
     86}
     87
     88static const VirtioPCIDeviceTypeInfo virtio_gpu_pci_info = {
     89    .generic_name = TYPE_VIRTIO_GPU_PCI,
     90    .parent = TYPE_VIRTIO_GPU_PCI_BASE,
     91    .instance_size = sizeof(VirtIOGPUPCI),
     92    .instance_init = virtio_gpu_initfn,
     93};
     94module_obj(TYPE_VIRTIO_GPU_PCI);
     95
     96static void virtio_gpu_pci_register_types(void)
     97{
     98    type_register_static(&virtio_gpu_pci_base_info);
     99    virtio_pci_types_register(&virtio_gpu_pci_info);
    100}
    101
    102type_init(virtio_gpu_pci_register_types)