LXR linux/drivers/gpu/drm/vboxvideo/vbox

   1// SPDX-License-Identifier: MIT
   2/*
   3 * Copyright (C) 2017 Oracle Corporation
   4 * Copyright 2017 Canonical
   5 * Authors: Andreas Pokorny
   6 */
   7
   8#include "vbox_drv.h"
   9
  10/*
  11 * Based on qxl_prime.c:
  12 * Empty Implementations as there should not be any other driver for a virtual
  13 * device that might share buffers with vboxvideo
  14 */
  15
  16int vbox_gem_prime_pin(struct drm_gem_object *obj)
  17{
  18        WARN_ONCE(1, "not implemented");
  19        return -ENODEV;
  20}
  21
  22void vbox_gem_prime_unpin(struct drm_gem_object *obj)
  23{
  24        WARN_ONCE(1, "not implemented");
  25}
  26
  27struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj)
  28{
  29        WARN_ONCE(1, "not implemented");
  30        return ERR_PTR(-ENODEV);
  31}
  32
  33struct drm_gem_object *vbox_gem_prime_import_sg_table(
  34        struct drm_device *dev, struct dma_buf_attachment *attach,
  35        struct sg_table *table)
  36{
  37        WARN_ONCE(1, "not implemented");
  38        return ERR_PTR(-ENODEV);
  39}
  40
  41void *vbox_gem_prime_vmap(struct drm_gem_object *obj)
  42{
  43        WARN_ONCE(1, "not implemented");
  44        return ERR_PTR(-ENODEV);
  45}
  46
  47void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
  48{
  49        WARN_ONCE(1, "not implemented");
  50}
  51
  52int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area)
  53{
  54        WARN_ONCE(1, "not implemented");
  55        return -ENODEV;
  56}
  57