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