include/linux/mlx5/srq.h

   1 /*
   2  * Copyright (c) 2013-2015, Mellanox Technologies. 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 MLX5_SRQ_H
  34 #define MLX5_SRQ_H
  35
  36 #include <linux/mlx5/driver.h>
  37
  38 enum {
  39         MLX5_SRQ_FLAG_ERR    = (1 << 0),
  40         MLX5_SRQ_FLAG_WQ_SIG = (1 << 1),
  41         MLX5_SRQ_FLAG_RNDV   = (1 << 2),
  42 };
  43
  44 struct mlx5_srq_attr {
  45         u32 type;
  46         u32 flags;
  47         u32 log_size;
  48         u32 wqe_shift;
  49         u32 log_page_size;
  50         u32 wqe_cnt;
  51         u32 srqn;
  52         u32 xrcd;
  53         u32 page_offset;
  54         u32 cqn;
  55         u32 pd;
  56         u32 lwm;
  57         u32 user_index;
  58         u64 db_record;
  59         __be64 *pas;
  60         u32 tm_log_list_size;
  61         u32 tm_next_tag;
  62         u32 tm_hw_phase_cnt;
  63         u32 tm_sw_phase_cnt;
  64 };
  65
  66 struct mlx5_core_dev;
  67
  68 void mlx5_init_srq_table(struct mlx5_core_dev *dev);
  69 void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev);
  70
  71 #endif /* MLX5_SRQ_H */