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 */ 46