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 | |
23 | static Property virtio_gpu_pci_base_properties[] = { |
24 | DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy), |
25 | DEFINE_PROP_END_OF_LIST(), |
26 | }; |
27 | |
28 | static void virtio_gpu_pci_base_realize(VirtIOPCIProxy *vpci_dev, Error **errp) |
29 | { |
30 | VirtIOGPUPCIBase *vgpu = VIRTIO_GPU_PCI_BASE(vpci_dev); |
31 | VirtIOGPUBase *g = vgpu->vgpu; |
32 | DeviceState *vdev = DEVICE(g); |
33 | int i; |
34 | Error *local_error = NULL; |
35 | |
36 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); |
37 | virtio_pci_force_virtio_1(vpci_dev); |
38 | object_property_set_bool(OBJECT(vdev), true, "realized" , &local_error); |
39 | |
40 | if (local_error) { |
41 | error_propagate(errp, local_error); |
42 | return; |
43 | } |
44 | |
45 | for (i = 0; i < g->conf.max_outputs; i++) { |
46 | object_property_set_link(OBJECT(g->scanout[i].con), |
47 | OBJECT(vpci_dev), |
48 | "device" , errp); |
49 | } |
50 | } |
51 | |
52 | static void virtio_gpu_pci_base_class_init(ObjectClass *klass, void *data) |
53 | { |
54 | DeviceClass *dc = DEVICE_CLASS(klass); |
55 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); |
56 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); |
57 | |
58 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); |
59 | dc->props = virtio_gpu_pci_base_properties; |
60 | dc->hotpluggable = false; |
61 | k->realize = virtio_gpu_pci_base_realize; |
62 | pcidev_k->class_id = PCI_CLASS_DISPLAY_OTHER; |
63 | } |
64 | |
65 | static const TypeInfo virtio_gpu_pci_base_info = { |
66 | .name = TYPE_VIRTIO_GPU_PCI_BASE, |
67 | .parent = TYPE_VIRTIO_PCI, |
68 | .instance_size = sizeof(VirtIOGPUPCIBase), |
69 | .class_init = virtio_gpu_pci_base_class_init, |
70 | .abstract = true |
71 | }; |
72 | |
73 | #define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci" |
74 | #define VIRTIO_GPU_PCI(obj) \ |
75 | OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI) |
76 | |
77 | typedef struct VirtIOGPUPCI { |
78 | VirtIOGPUPCIBase parent_obj; |
79 | VirtIOGPU vdev; |
80 | } VirtIOGPUPCI; |
81 | |
82 | static void virtio_gpu_initfn(Object *obj) |
83 | { |
84 | VirtIOGPUPCI *dev = VIRTIO_GPU_PCI(obj); |
85 | |
86 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
87 | TYPE_VIRTIO_GPU); |
88 | VIRTIO_GPU_PCI_BASE(obj)->vgpu = VIRTIO_GPU_BASE(&dev->vdev); |
89 | } |
90 | |
91 | static const VirtioPCIDeviceTypeInfo virtio_gpu_pci_info = { |
92 | .generic_name = TYPE_VIRTIO_GPU_PCI, |
93 | .parent = TYPE_VIRTIO_GPU_PCI_BASE, |
94 | .instance_size = sizeof(VirtIOGPUPCI), |
95 | .instance_init = virtio_gpu_initfn, |
96 | }; |
97 | |
98 | static void virtio_gpu_pci_register_types(void) |
99 | { |
100 | type_register_static(&virtio_gpu_pci_base_info); |
101 | virtio_pci_types_register(&virtio_gpu_pci_info); |
102 | } |
103 | |
104 | type_init(virtio_gpu_pci_register_types) |
105 | |