LXR linux/drivers/infiniband/sw/rdmavt/mmap.h

   1#ifndef DEF_RDMAVTMMAP_H
   2#define DEF_RDMAVTMMAP_H
   3
   4/*
   5 * Copyright(c) 2016 Intel Corporation.
   6 *
   7 * This file is provided under a dual BSD/GPLv2 license.  When using or
   8 * redistributing this file, you may do so under either license.
   9 *
  10 * GPL LICENSE SUMMARY
  11 *
  12 * This program is free software; you can redistribute it and/or modify
  13 * it under the terms of version 2 of the GNU General Public License as
  14 * published by the Free Software Foundation.
  15 *
  16 * This program is distributed in the hope that it will be useful, but
  17 * WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19 * General Public License for more details.
  20 *
  21 * BSD LICENSE
  22 *
  23 * Redistribution and use in source and binary forms, with or without
  24 * modification, are permitted provided that the following conditions
  25 * are met:
  26 *
  27 *  - Redistributions of source code must retain the above copyright
  28 *    notice, this list of conditions and the following disclaimer.
  29 *  - Redistributions in binary form must reproduce the above copyright
  30 *    notice, this list of conditions and the following disclaimer in
  31 *    the documentation and/or other materials provided with the
  32 *    distribution.
  33 *  - Neither the name of Intel Corporation nor the names of its
  34 *    contributors may be used to endorse or promote products derived
  35 *    from this software without specific prior written permission.
  36 *
  37 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  38 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  39 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  40 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  41 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  44 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  45 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  48 *
  49 */
  50
  51#include <rdma/rdma_vt.h>
  52
  53void rvt_mmap_init(struct rvt_dev_info *rdi);
  54void rvt_release_mmap_info(struct kref *ref);
  55int rvt_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
  56struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
  57                                           struct ib_udata *udata, void *obj);
  58void rvt_update_mmap_info(struct rvt_dev_info *rdi, struct rvt_mmap_info *ip,
  59                          u32 size, void *obj);
  60
  61#endif          /* DEF_RDMAVTMMAP_H */
  62