1 /* $NetBSD: xen_drm_front_gem.h,v 1.2 2021/12/18 23:45:45 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 4 5 /* 6 * Xen para-virtual DRM device 7 * 8 * Copyright (C) 2016-2018 EPAM Systems Inc. 9 * 10 * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> 11 */ 12 13 #ifndef __XEN_DRM_FRONT_GEM_H 14 #define __XEN_DRM_FRONT_GEM_H 15 16 struct dma_buf_attachment; 17 struct drm_device; 18 struct drm_gem_object; 19 struct file; 20 struct sg_table; 21 struct vm_area_struct; 22 23 struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev, 24 size_t size); 25 26 struct drm_gem_object * 27 xen_drm_front_gem_import_sg_table(struct drm_device *dev, 28 struct dma_buf_attachment *attach, 29 struct sg_table *sgt); 30 31 struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj); 32 33 struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj); 34 35 void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj); 36 37 int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma); 38 39 void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj); 40 41 void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj, 42 void *vaddr); 43 44 int 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