drivers/infiniband/hw/cxgb3/iwch_user.h

   1 /*
   2  * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32 #ifndef __IWCH_USER_H__
  33 #define __IWCH_USER_H__
  34
  35 #define IWCH_UVERBS_ABI_VERSION 1
  36
  37 /*
  38  * Make sure that all structs defined in this file remain laid out so
  39  * that they pack the same way on 32-bit and 64-bit architectures (to
  40  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  41  * In particular do not use pointer types -- pass pointers in __u64
  42  * instead.
  43  */
  44 struct iwch_create_cq_req {
  45         __u64 user_rptr_addr;
  46 };
  47
  48 struct iwch_create_cq_resp {
  49         __u64 key;
  50         __u32 cqid;
  51         __u32 size_log2;
  52 };
  53
  54 struct iwch_create_qp_resp {
  55         __u64 key;
  56         __u64 db_key;
  57         __u32 qpid;
  58         __u32 size_log2;
  59         __u32 sq_size_log2;
  60         __u32 rq_size_log2;
  61 };
  62
  63 struct iwch_reg_user_mr_resp {
  64         __u32 pbl_addr;
  65 };
  66 #endif