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) 69