drivers/infiniband/hw/amso1100/c2_user.h

   1 /*
   2  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
   3  * Copyright (c) 2005 Cisco Systems.  All rights reserved.
   4  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  *
  34  */
  35
  36 #ifndef C2_USER_H
  37 #define C2_USER_H
  38
  39 #include <linux/types.h>
  40
  41 /*
  42  * Make sure that all structs defined in this file remain laid out so
  43  * that they pack the same way on 32-bit and 64-bit architectures (to
  44  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  45  * In particular do not use pointer types -- pass pointers in __u64
  46  * instead.
  47  */
  48
  49 struct c2_alloc_ucontext_resp {
  50         __u32 qp_tab_size;
  51         __u32 uarc_size;
  52 };
  53
  54 struct c2_alloc_pd_resp {
  55         __u32 pdn;
  56         __u32 reserved;
  57 };
  58
  59 struct c2_create_cq {
  60         __u32 lkey;
  61         __u32 pdn;
  62         __u64 arm_db_page;
  63         __u64 set_db_page;
  64         __u32 arm_db_index;
  65         __u32 set_db_index;
  66 };
  67
  68 struct c2_create_cq_resp {
  69         __u32 cqn;
  70         __u32 reserved;
  71 };
  72
  73 struct c2_create_qp {
  74         __u32 lkey;
  75         __u32 reserved;
  76         __u64 sq_db_page;
  77         __u64 rq_db_page;
  78         __u32 sq_db_index;
  79         __u32 rq_db_index;
  80 };
  81
  82 #endif                          /* C2_USER_H */