drivers/infiniband/hw/mlx4/user.h

   1 /*
   2  * Copyright (c) 2007 Cisco Systems, 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
  33 #ifndef MLX4_IB_USER_H
  34 #define MLX4_IB_USER_H
  35
  36 #include <linux/types.h>
  37
  38 /*
  39  * Increment this value if any changes that break userspace ABI
  40  * compatibility are made.
  41  */
  42 #define MLX4_IB_UVERBS_ABI_VERSION      3
  43
  44 /*
  45  * Make sure that all structs defined in this file remain laid out so
  46  * that they pack the same way on 32-bit and 64-bit architectures (to
  47  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  48  * In particular do not use pointer types -- pass pointers in __u64
  49  * instead.
  50  */
  51
  52 struct mlx4_ib_alloc_ucontext_resp {
  53         __u32   qp_tab_size;
  54         __u16   bf_reg_size;
  55         __u16   bf_regs_per_page;
  56 };
  57
  58 struct mlx4_ib_alloc_pd_resp {
  59         __u32   pdn;
  60         __u32   reserved;
  61 };
  62
  63 struct mlx4_ib_create_cq {
  64         __u64   buf_addr;
  65         __u64   db_addr;
  66 };
  67
  68 struct mlx4_ib_create_cq_resp {
  69         __u32   cqn;
  70         __u32   reserved;
  71 };
  72
  73 struct mlx4_ib_resize_cq {
  74         __u64   buf_addr;
  75 };
  76
  77 struct mlx4_ib_create_srq {
  78         __u64   buf_addr;
  79         __u64   db_addr;
  80 };
  81
  82 struct mlx4_ib_create_srq_resp {
  83         __u32   srqn;
  84         __u32   reserved;
  85 };
  86
  87 struct mlx4_ib_create_qp {
  88         __u64   buf_addr;
  89         __u64   db_addr;
  90         __u8    log_sq_bb_count;
  91         __u8    log_sq_stride;
  92         __u8    sq_no_prefetch;
  93         __u8    reserved[5];
  94 };
  95
  96 #endif /* MLX4_IB_USER_H */