LXR linux/drivers/infiniband/hw/mthca/mthca

   1/*
   2 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
   3 * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
   4 *
   5 * This software is available to you under a choice of one of two
   6 * licenses.  You may choose to be licensed under the terms of the GNU
   7 * General Public License (GPL) Version 2, available from the file
   8 * COPYING in the main directory of this source tree, or the
   9 * OpenIB.org BSD license below:
  10 *
  11 *     Redistribution and use in source and binary forms, with or
  12 *     without modification, are permitted provided that the following
  13 *     conditions are met:
  14 *
  15 *      - Redistributions of source code must retain the above
  16 *        copyright notice, this list of conditions and the following
  17 *        disclaimer.
  18 *
  19 *      - Redistributions in binary form must reproduce the above
  20 *        copyright notice, this list of conditions and the following
  21 *        disclaimer in the documentation and/or other materials
  22 *        provided with the distribution.
  23 *
  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31 * SOFTWARE.
  32 */
  33
  34#ifndef MTHCA_USER_H
  35#define MTHCA_USER_H
  36
  37#include <linux/types.h>
  38
  39/*
  40 * Increment this value if any changes that break userspace ABI
  41 * compatibility are made.
  42 */
  43#define MTHCA_UVERBS_ABI_VERSION        1
  44
  45/*
  46 * Make sure that all structs defined in this file remain laid out so
  47 * that they pack the same way on 32-bit and 64-bit architectures (to
  48 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  49 * In particular do not use pointer types -- pass pointers in __u64
  50 * instead.
  51 */
  52
  53struct mthca_alloc_ucontext_resp {
  54        __u32 qp_tab_size;
  55        __u32 uarc_size;
  56};
  57
  58struct mthca_alloc_pd_resp {
  59        __u32 pdn;
  60        __u32 reserved;
  61};
  62
  63struct mthca_reg_mr {
  64/*
  65 * Mark the memory region with a DMA attribute that causes
  66 * in-flight DMA to be flushed when the region is written to:
  67 */
  68#define MTHCA_MR_DMASYNC        0x1
  69        __u32 mr_attrs;
  70        __u32 reserved;
  71};
  72
  73struct mthca_create_cq {
  74        __u32 lkey;
  75        __u32 pdn;
  76        __u64 arm_db_page;
  77        __u64 set_db_page;
  78        __u32 arm_db_index;
  79        __u32 set_db_index;
  80};
  81
  82struct mthca_create_cq_resp {
  83        __u32 cqn;
  84        __u32 reserved;
  85};
  86
  87struct mthca_resize_cq {
  88        __u32 lkey;
  89        __u32 reserved;
  90};
  91
  92struct mthca_create_srq {
  93        __u32 lkey;
  94        __u32 db_index;
  95        __u64 db_page;
  96};
  97
  98struct mthca_create_srq_resp {
  99        __u32 srqn;
 100        __u32 reserved;
 101};
 102
 103struct mthca_create_qp {
 104        __u32 lkey;
 105        __u32 reserved;
 106        __u64 sq_db_page;
 107        __u64 rq_db_page;
 108        __u32 sq_db_index;
 109        __u32 rq_db_index;
 110};
 111
 112#endif /* MTHCA_USER_H */
 113