LXR linux/drivers/staging/vboxvideo/vbox

   1/*
   2 * Copyright (C) 2017 Oracle Corporation
   3 * Copyright 2017 Canonical
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the "Software"),
   7 * to deal in the Software without restriction, including without limitation
   8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 * and/or sell copies of the Software, and to permit persons to whom the
  10 * Software is furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21 * OTHER DEALINGS IN THE SOFTWARE.
  22 *
  23 * Authors: Andreas Pokorny
  24 */
  25
  26#include "vbox_drv.h"
  27
  28/*
  29 * Based on qxl_prime.c:
  30 * Empty Implementations as there should not be any other driver for a virtual
  31 * device that might share buffers with vboxvideo
  32 */
  33
  34int vbox_gem_prime_pin(struct drm_gem_object *obj)
  35{
  36        WARN_ONCE(1, "not implemented");
  37        return -ENOSYS;
  38}
  39
  40void vbox_gem_prime_unpin(struct drm_gem_object *obj)
  41{
  42        WARN_ONCE(1, "not implemented");
  43}
  44
  45struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj)
  46{
  47        WARN_ONCE(1, "not implemented");
  48        return ERR_PTR(-ENOSYS);
  49}
  50
  51struct drm_gem_object *vbox_gem_prime_import_sg_table(
  52        struct drm_device *dev, struct dma_buf_attachment *attach,
  53        struct sg_table *table)
  54{
  55        WARN_ONCE(1, "not implemented");
  56        return ERR_PTR(-ENOSYS);
  57}
  58
  59void *vbox_gem_prime_vmap(struct drm_gem_object *obj)
  60{
  61        WARN_ONCE(1, "not implemented");
  62        return ERR_PTR(-ENOSYS);
  63}
  64
  65void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
  66{
  67        WARN_ONCE(1, "not implemented");
  68}
  69
  70int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area)
  71{
  72        WARN_ONCE(1, "not implemented");
  73        return -ENOSYS;
  74}
  75