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/*
* 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 const Property virtio_gpu_pci_base_properties[] = {
DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy),
};
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;
if (virtio_gpu_hostmem_enabled(g->conf)) {
vpci_dev->msix_bar_idx = 1;
vpci_dev->modern_mem_bar_idx = 2;
memory_region_init(&g->hostmem, OBJECT(g), "virtio-gpu-hostmem",
g->conf.hostmem);
pci_register_bar(&vpci_dev->pci_dev, 4,
PCI_BASE_ADDRESS_SPACE_MEMORY |
PCI_BASE_ADDRESS_MEM_PREFETCH |
PCI_BASE_ADDRESS_MEM_TYPE_64,
&g->hostmem);
virtio_pci_add_shm_cap(vpci_dev, 4, 0, g->conf.hostmem,
VIRTIO_GPU_SHM_ID_HOST_VISIBLE);
}
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);
module_kconfig(VIRTIO_PCI);
#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)
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