diff options
Diffstat (limited to 'hw/display/virtio-gpu-pci.c')
-rw-r--r-- | hw/display/virtio-gpu-pci.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/hw/display/virtio-gpu-pci.c b/hw/display/virtio-gpu-pci.c new file mode 100644 index 000000000..e36eee0c4 --- /dev/null +++ b/hw/display/virtio-gpu-pci.c @@ -0,0 +1,102 @@ +/* + * Virtio video device + * + * Copyright Red Hat + * + * Authors: + * Dave Airlie + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "qemu/module.h" +#include "hw/pci/pci.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/virtio.h" +#include "hw/virtio/virtio-bus.h" +#include "hw/virtio/virtio-gpu-pci.h" +#include "qom/object.h" + +static Property virtio_gpu_pci_base_properties[] = { + DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy), + DEFINE_PROP_END_OF_LIST(), +}; + +static void virtio_gpu_pci_base_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VirtIOGPUPCIBase *vgpu = VIRTIO_GPU_PCI_BASE(vpci_dev); + VirtIOGPUBase *g = vgpu->vgpu; + DeviceState *vdev = DEVICE(g); + int i; + + virtio_pci_force_virtio_1(vpci_dev); + if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) { + return; + } + + for (i = 0; i < g->conf.max_outputs; i++) { + object_property_set_link(OBJECT(g->scanout[i].con), "device", + OBJECT(vpci_dev), &error_abort); + } +} + +static void virtio_gpu_pci_base_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + + set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); + device_class_set_props(dc, virtio_gpu_pci_base_properties); + dc->hotpluggable = false; + k->realize = virtio_gpu_pci_base_realize; + pcidev_k->class_id = PCI_CLASS_DISPLAY_OTHER; +} + +static const TypeInfo virtio_gpu_pci_base_info = { + .name = TYPE_VIRTIO_GPU_PCI_BASE, + .parent = TYPE_VIRTIO_PCI, + .instance_size = sizeof(VirtIOGPUPCIBase), + .class_init = virtio_gpu_pci_base_class_init, + .abstract = true +}; +module_obj(TYPE_VIRTIO_GPU_PCI_BASE); + +#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci" +typedef struct VirtIOGPUPCI VirtIOGPUPCI; +DECLARE_INSTANCE_CHECKER(VirtIOGPUPCI, VIRTIO_GPU_PCI, + TYPE_VIRTIO_GPU_PCI) + +struct VirtIOGPUPCI { + VirtIOGPUPCIBase parent_obj; + VirtIOGPU vdev; +}; + +static void virtio_gpu_initfn(Object *obj) +{ + VirtIOGPUPCI *dev = VIRTIO_GPU_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VIRTIO_GPU); + VIRTIO_GPU_PCI_BASE(obj)->vgpu = VIRTIO_GPU_BASE(&dev->vdev); +} + +static const VirtioPCIDeviceTypeInfo virtio_gpu_pci_info = { + .generic_name = TYPE_VIRTIO_GPU_PCI, + .parent = TYPE_VIRTIO_GPU_PCI_BASE, + .instance_size = sizeof(VirtIOGPUPCI), + .instance_init = virtio_gpu_initfn, +}; +module_obj(TYPE_VIRTIO_GPU_PCI); + +static void virtio_gpu_pci_register_types(void) +{ + type_register_static(&virtio_gpu_pci_base_info); + virtio_pci_types_register(&virtio_gpu_pci_info); +} + +type_init(virtio_gpu_pci_register_types) |