1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 /*
4  * Xen dma-buf functionality for gntdev.
5  *
6  * Copyright (c) 2018 Oleksandr Andrushchenko, EPAM Systems Inc.
7  */
8 
9 #ifndef _GNTDEV_DMABUF_H
10 #define _GNTDEV_DMABUF_H
11 
12 #include <xen/gntdev.h>
13 
14 struct gntdev_dmabuf_priv;
15 struct gntdev_priv;
16 
17 struct gntdev_dmabuf_priv *gntdev_dmabuf_init(void);
18 
19 void gntdev_dmabuf_fini(struct gntdev_dmabuf_priv *priv);
20 
21 long gntdev_ioctl_dmabuf_exp_from_refs(struct gntdev_priv *priv, int use_ptemod,
22 				       struct ioctl_gntdev_dmabuf_exp_from_refs __user *u);
23 
24 long gntdev_ioctl_dmabuf_exp_wait_released(struct gntdev_priv *priv,
25 					   struct ioctl_gntdev_dmabuf_exp_wait_released __user *u);
26 
27 long gntdev_ioctl_dmabuf_imp_to_refs(struct gntdev_priv *priv,
28 				     struct ioctl_gntdev_dmabuf_imp_to_refs __user *u);
29 
30 long gntdev_ioctl_dmabuf_imp_release(struct gntdev_priv *priv,
31 				     struct ioctl_gntdev_dmabuf_imp_release __user *u);
32 
33 #endif
34