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 #include "qemu/osdep.h" 14 #include "hw/pci/pci.h" 15 #include "hw/virtio/virtio.h" 16 #include "hw/virtio/virtio-bus.h" 17 #include "hw/virtio/virtio-pci.h" 18 #include "hw/virtio/virtio-gpu.h" 19 20 static Property virtio_gpu_pci_properties[] = { 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 VirtIOGPU *g = &vgpu->vdev; 29 DeviceState *vdev = DEVICE(&vgpu->vdev); 30 int i; 31 32 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); 33 virtio_pci_force_virtio_1(vpci_dev); 34 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 35 36 for (i = 0; i < g->conf.max_outputs; i++) { 37 object_property_set_link(OBJECT(g->scanout[i].con), 38 OBJECT(vpci_dev), 39 "device", errp); 40 } 41 } 42 43 static void virtio_gpu_pci_class_init(ObjectClass *klass, void *data) 44 { 45 DeviceClass *dc = DEVICE_CLASS(klass); 46 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 47 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 48 49 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 50 dc->props = virtio_gpu_pci_properties; 51 dc->hotpluggable = false; 52 k->realize = virtio_gpu_pci_realize; 53 pcidev_k->class_id = PCI_CLASS_DISPLAY_OTHER; 54 } 55 56 static void virtio_gpu_initfn(Object *obj) 57 { 58 VirtIOGPUPCI *dev = VIRTIO_GPU_PCI(obj); 59 60 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 61 TYPE_VIRTIO_GPU); 62 } 63 64 static const TypeInfo virtio_gpu_pci_info = { 65 .name = TYPE_VIRTIO_GPU_PCI, 66 .parent = TYPE_VIRTIO_PCI, 67 .instance_size = sizeof(VirtIOGPUPCI), 68 .instance_init = virtio_gpu_initfn, 69 .class_init = virtio_gpu_pci_class_init, 70 }; 71 72 static void virtio_gpu_pci_register_types(void) 73 { 74 type_register_static(&virtio_gpu_pci_info); 75 } 76 type_init(virtio_gpu_pci_register_types) 77