include/uapi/rdma/mlx4-abi.h

   1 /*
   2  * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
   3  * Copyright (c) 2007, 2008 Mellanox Technologies. 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 MLX4_ABI_USER_H
  35 #define MLX4_ABI_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
  44 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION  3
  45 #define MLX4_IB_UVERBS_ABI_VERSION              4
  46
  47 /*
  48  * Make sure that all structs defined in this file remain laid out so
  49  * that they pack the same way on 32-bit and 64-bit architectures (to
  50  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  51  * In particular do not use pointer types -- pass pointers in __u64
  52  * instead.
  53  */
  54
  55 struct mlx4_ib_alloc_ucontext_resp_v3 {
  56         __u32   qp_tab_size;
  57         __u16   bf_reg_size;
  58         __u16   bf_regs_per_page;
  59 };
  60
  61 struct mlx4_ib_alloc_ucontext_resp {
  62         __u32   dev_caps;
  63         __u32   qp_tab_size;
  64         __u16   bf_reg_size;
  65         __u16   bf_regs_per_page;
  66         __u32   cqe_size;
  67 };
  68
  69 struct mlx4_ib_alloc_pd_resp {
  70         __u32   pdn;
  71         __u32   reserved;
  72 };
  73
  74 struct mlx4_ib_create_cq {
  75         __u64   buf_addr;
  76         __u64   db_addr;
  77 };
  78
  79 struct mlx4_ib_create_cq_resp {
  80         __u32   cqn;
  81         __u32   reserved;
  82 };
  83
  84 struct mlx4_ib_resize_cq {
  85         __u64   buf_addr;
  86 };
  87
  88 struct mlx4_ib_create_srq {
  89         __u64   buf_addr;
  90         __u64   db_addr;
  91 };
  92
  93 struct mlx4_ib_create_srq_resp {
  94         __u32   srqn;
  95         __u32   reserved;
  96 };
  97
  98 struct mlx4_ib_create_qp {
  99         __u64   buf_addr;
 100         __u64   db_addr;
 101         __u8    log_sq_bb_count;
 102         __u8    log_sq_stride;
 103         __u8    sq_no_prefetch;
 104         __u8    reserved[5];
 105 };
 106
 107 #endif /* MLX4_ABI_USER_H */