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