xref: /linux/drivers/gpu/drm/xen/xen_drm_front_gem.h (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
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 #include <drm/drmP.h>
15 
16 struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev,
17 						size_t size);
18 
19 struct drm_gem_object *
20 xen_drm_front_gem_import_sg_table(struct drm_device *dev,
21 				  struct dma_buf_attachment *attach,
22 				  struct sg_table *sgt);
23 
24 struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj);
25 
26 struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj);
27 
28 void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj);
29 
30 int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma);
31 
32 void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj);
33 
34 void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj,
35 				    void *vaddr);
36 
37 int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj,
38 				 struct vm_area_struct *vma);
39 
40 #endif /* __XEN_DRM_FRONT_GEM_H */
41