hw/display/vhost-user-gpu-pci.c

   1 /*
   2  * vhost-user GPU PCI device
   3  *
   4  * Copyright Red Hat, Inc. 2018
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7  * See the COPYING file in the top-level directory.
   8  *
   9  */
  10
  11 #include "qemu/osdep.h"
  12 #include "qapi/error.h"
  13 #include "hw/virtio/virtio-gpu-pci.h"
  14 #include "qom/object.h"
  15
  16 #define TYPE_VHOST_USER_GPU_PCI "vhost-user-gpu-pci"
  17 typedef struct VhostUserGPUPCI VhostUserGPUPCI;
  18 #define VHOST_USER_GPU_PCI(obj)                                     \
  19     OBJECT_CHECK(VhostUserGPUPCI, (obj), TYPE_VHOST_USER_GPU_PCI)
  20
  21 struct VhostUserGPUPCI {
  22     VirtIOGPUPCIBase parent_obj;
  23
  24     VhostUserGPU vdev;
  25 };
  26
  27 static void vhost_user_gpu_pci_initfn(Object *obj)
  28 {
  29     VhostUserGPUPCI *dev = VHOST_USER_GPU_PCI(obj);
  30
  31     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  32                                 TYPE_VHOST_USER_GPU);
  33
  34     VIRTIO_GPU_PCI_BASE(obj)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
  35
  36     object_property_add_alias(obj, "chardev",
  37                               OBJECT(&dev->vdev), "chardev");
  38 }
  39
  40 static const VirtioPCIDeviceTypeInfo vhost_user_gpu_pci_info = {
  41     .generic_name = TYPE_VHOST_USER_GPU_PCI,
  42     .parent = TYPE_VIRTIO_GPU_PCI_BASE,
  43     .instance_size = sizeof(VhostUserGPUPCI),
  44     .instance_init = vhost_user_gpu_pci_initfn,
  45 };
  46
  47 static void vhost_user_gpu_pci_register_types(void)
  48 {
  49     virtio_pci_types_register(&vhost_user_gpu_pci_info);
  50 }
  51
  52 type_init(vhost_user_gpu_pci_register_types)