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
14struct dma_buf_attachment;
15struct drm_device;
16struct drm_gem_object;
17struct file;
18struct sg_table;
19struct vm_area_struct;
20
21struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev,
22						size_t size);
23
24struct drm_gem_object *
25xen_drm_front_gem_import_sg_table(struct drm_device *dev,
26				  struct dma_buf_attachment *attach,
27				  struct sg_table *sgt);
28
29struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj);
30
31struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj);
32
33void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj);
34
35int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma);
36
37void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj);
38
39void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj,
40				    void *vaddr);
41
42int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj,
43				 struct vm_area_struct *vma);
44
45#endif /* __XEN_DRM_FRONT_GEM_H */