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9eafb62d GH |
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. See | |
10 | * the COPYING file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | #include "hw/pci/pci.h" | |
14 | #include "hw/virtio/virtio.h" | |
15 | #include "hw/virtio/virtio-bus.h" | |
16 | #include "hw/virtio/virtio-pci.h" | |
17 | #include "hw/virtio/virtio-gpu.h" | |
18 | ||
19 | static Property virtio_gpu_pci_properties[] = { | |
20 | DEFINE_VIRTIO_GPU_PROPERTIES(VirtIOGPUPCI, vdev.conf), | |
21 | DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy), | |
22 | DEFINE_PROP_END_OF_LIST(), | |
23 | }; | |
24 | ||
25 | static void virtio_gpu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
26 | { | |
27 | VirtIOGPUPCI *vgpu = VIRTIO_GPU_PCI(vpci_dev); | |
28 | DeviceState *vdev = DEVICE(&vgpu->vdev); | |
29 | ||
30 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); | |
31 | /* force virtio-1.0 */ | |
32 | vpci_dev->flags &= ~VIRTIO_PCI_FLAG_DISABLE_MODERN; | |
33 | vpci_dev->flags |= VIRTIO_PCI_FLAG_DISABLE_LEGACY; | |
34 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); | |
35 | } | |
36 | ||
37 | static void virtio_gpu_pci_class_init(ObjectClass *klass, void *data) | |
38 | { | |
39 | DeviceClass *dc = DEVICE_CLASS(klass); | |
40 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | |
41 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | |
42 | ||
43 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); | |
44 | dc->props = virtio_gpu_pci_properties; | |
45 | k->realize = virtio_gpu_pci_realize; | |
46 | pcidev_k->class_id = PCI_CLASS_DISPLAY_OTHER; | |
47 | } | |
48 | ||
49 | static void virtio_gpu_initfn(Object *obj) | |
50 | { | |
51 | VirtIOGPUPCI *dev = VIRTIO_GPU_PCI(obj); | |
52 | object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_GPU); | |
53 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
54 | } | |
55 | ||
56 | static const TypeInfo virtio_gpu_pci_info = { | |
57 | .name = TYPE_VIRTIO_GPU_PCI, | |
58 | .parent = TYPE_VIRTIO_PCI, | |
59 | .instance_size = sizeof(VirtIOGPUPCI), | |
60 | .instance_init = virtio_gpu_initfn, | |
61 | .class_init = virtio_gpu_pci_class_init, | |
62 | }; | |
63 | ||
64 | static void virtio_gpu_pci_register_types(void) | |
65 | { | |
66 | type_register_static(&virtio_gpu_pci_info); | |
67 | } | |
68 | type_init(virtio_gpu_pci_register_types) |