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(struct file *filp); 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