drivers/xen/gntdev-dmabuf.h

   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