Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
[qemu.git] / hw / display / virtio-gpu-pci.c
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
24 static Property virtio_gpu_pci_base_properties[] = {
25 DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy),
26 DEFINE_PROP_END_OF_LIST(),
27 };
28
29 static 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
47 static 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
60 static 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 };
67 module_obj(TYPE_VIRTIO_GPU_PCI_BASE);
68
69 #define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
70 typedef struct VirtIOGPUPCI VirtIOGPUPCI;
71 DECLARE_INSTANCE_CHECKER(VirtIOGPUPCI, VIRTIO_GPU_PCI,
72 TYPE_VIRTIO_GPU_PCI)
73
74 struct VirtIOGPUPCI {
75 VirtIOGPUPCIBase parent_obj;
76 VirtIOGPU vdev;
77 };
78
79 static 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
88 static 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 };
94 module_obj(TYPE_VIRTIO_GPU_PCI);
95
96 static 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
102 type_init(virtio_gpu_pci_register_types)