drivers/gpu/drm/xen/xen_drm_front_gem.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
   2
   3 /*
   4  *  Xen para-virtual DRM device
   5  *
   6  * Copyright (C) 2016-2018 EPAM Systems Inc.
   7  *
   8  * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
   9  */
  10
  11 #ifndef __XEN_DRM_FRONT_GEM_H
  12 #define __XEN_DRM_FRONT_GEM_H
  13
  14 struct dma_buf_attachment;
  15 struct dma_buf_map;
  16 struct drm_device;
  17 struct drm_gem_object;
  18 struct file;
  19 struct sg_table;
  20 struct vm_area_struct;
  21
  22 struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev,
  23                                                 size_t size);
  24
  25 struct drm_gem_object *
  26 xen_drm_front_gem_import_sg_table(struct drm_device *dev,
  27                                   struct dma_buf_attachment *attach,
  28                                   struct sg_table *sgt);
  29
  30 struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj);
  31
  32 struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj);
  33
  34 void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj);
  35
  36 int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma);
  37
  38 int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj,
  39                                  struct dma_buf_map *map);
  40
  41 void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj,
  42                                     struct dma_buf_map *map);
  43
  44 int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj,
  45                                  struct vm_area_struct *vma);
  46
  47 #endif /* __XEN_DRM_FRONT_GEM_H */