Merge remote-tracking branch 'remotes/elmarco/tags/slirp-pull-request' 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
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 device_class_set_props(dc, 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)