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 drm_device;
16 struct drm_gem_object;
17 struct file;
18 struct sg_table;
19 struct vm_area_struct;
20 
21 struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev,
22 						size_t size);
23 
24 struct drm_gem_object *
25 xen_drm_front_gem_import_sg_table(struct drm_device *dev,
26 				  struct dma_buf_attachment *attach,
27 				  struct sg_table *sgt);
28 
29 struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj);
30 
31 struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj);
32 
33 void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj);
34 
35 int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma);
36 
37 void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj);
38 
39 void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj,
40 				    void *vaddr);
41 
42 int 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 */
46