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 virtio_pci_force_virtio_1(vpci_dev); 37 if (!qdev_realize(vdev, BUS(&vpci_dev->bus), &local_error)) { 38 error_propagate(errp, local_error); 39 return; 40 } 41 42 for (i = 0; i < g->conf.max_outputs; i++) { 43 object_property_set_link(OBJECT(g->scanout[i].con), 44 OBJECT(vpci_dev), 45 "device", &error_abort); 46 } 47 } 48 49 static void virtio_gpu_pci_base_class_init(ObjectClass *klass, void *data) 50 { 51 DeviceClass *dc = DEVICE_CLASS(klass); 52 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 53 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 54 55 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 56 device_class_set_props(dc, virtio_gpu_pci_base_properties); 57 dc->hotpluggable = false; 58 k->realize = virtio_gpu_pci_base_realize; 59 pcidev_k->class_id = PCI_CLASS_DISPLAY_OTHER; 60 } 61 62 static const TypeInfo virtio_gpu_pci_base_info = { 63 .name = TYPE_VIRTIO_GPU_PCI_BASE, 64 .parent = TYPE_VIRTIO_PCI, 65 .instance_size = sizeof(VirtIOGPUPCIBase), 66 .class_init = virtio_gpu_pci_base_class_init, 67 .abstract = true 68 }; 69 70 #define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci" 71 #define VIRTIO_GPU_PCI(obj) \ 72 OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI) 73 74 typedef struct VirtIOGPUPCI { 75 VirtIOGPUPCIBase parent_obj; 76 VirtIOGPU vdev; 77 } VirtIOGPUPCI; 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 95 static void virtio_gpu_pci_register_types(void) 96 { 97 type_register_static(&virtio_gpu_pci_base_info); 98 virtio_pci_types_register(&virtio_gpu_pci_info); 99 } 100 101 type_init(virtio_gpu_pci_register_types) 102