|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  |  | 
|  | /* | 
|  | * Xen dma-buf functionality for gntdev. | 
|  | * | 
|  | * Copyright (c) 2018 Oleksandr Andrushchenko, EPAM Systems Inc. | 
|  | */ | 
|  |  | 
|  | #ifndef _GNTDEV_DMABUF_H | 
|  | #define _GNTDEV_DMABUF_H | 
|  |  | 
|  | #include <xen/gntdev.h> | 
|  |  | 
|  | struct gntdev_dmabuf_priv; | 
|  | struct gntdev_priv; | 
|  |  | 
|  | struct gntdev_dmabuf_priv *gntdev_dmabuf_init(struct file *filp); | 
|  |  | 
|  | void gntdev_dmabuf_fini(struct gntdev_dmabuf_priv *priv); | 
|  |  | 
|  | long gntdev_ioctl_dmabuf_exp_from_refs(struct gntdev_priv *priv, int use_ptemod, | 
|  | struct ioctl_gntdev_dmabuf_exp_from_refs __user *u); | 
|  |  | 
|  | long gntdev_ioctl_dmabuf_exp_wait_released(struct gntdev_priv *priv, | 
|  | struct ioctl_gntdev_dmabuf_exp_wait_released __user *u); | 
|  |  | 
|  | long gntdev_ioctl_dmabuf_imp_to_refs(struct gntdev_priv *priv, | 
|  | struct ioctl_gntdev_dmabuf_imp_to_refs __user *u); | 
|  |  | 
|  | long gntdev_ioctl_dmabuf_imp_release(struct gntdev_priv *priv, | 
|  | struct ioctl_gntdev_dmabuf_imp_release __user *u); | 
|  |  | 
|  | #endif |