kernel/drivers/gpu/drm/xen/xen_drm_front_gem.h
2024-07-22 17:22:30 +08:00

48 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/*
* Xen para-virtual DRM device
*
* Copyright (C) 2016-2018 EPAM Systems Inc.
*
* Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
*/
#ifndef __XEN_DRM_FRONT_GEM_H
#define __XEN_DRM_FRONT_GEM_H
struct dma_buf_attachment;
struct dma_buf_map;
struct drm_device;
struct drm_gem_object;
struct file;
struct sg_table;
struct vm_area_struct;
struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev,
size_t size);
struct drm_gem_object *
xen_drm_front_gem_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sgt);
struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj);
struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj);
void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj);
int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma);
int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj,
struct dma_buf_map *map);
void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj,
struct dma_buf_map *map);
int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj,
struct vm_area_struct *vma);
#endif /* __XEN_DRM_FRONT_GEM_H */