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 dma_buf_map; 16struct drm_device; 17struct drm_gem_object; 18struct file; 19struct sg_table; 20struct vm_area_struct; 21 22struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev, 23 size_t size); 24 25struct drm_gem_object * 26xen_drm_front_gem_import_sg_table(struct drm_device *dev, 27 struct dma_buf_attachment *attach, 28 struct sg_table *sgt); 29 30struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj); 31 32struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj); 33 34void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj); 35 36int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma); 37 38int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj, 39 struct dma_buf_map *map); 40 41void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj, 42 struct dma_buf_map *map); 43 44int 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 */ 48