root/include/linux/mlx5/transobj.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2013-2015, Mellanox Technologies, Ltd.  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 __TRANSOBJ_H__
  34 #define __TRANSOBJ_H__
  35 
  36 #include <linux/mlx5/driver.h>
  37 
  38 int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn);
  39 void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn);
  40 int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen,
  41                         u32 *rqn);
  42 int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen);
  43 void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn);
  44 int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out);
  45 int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen,
  46                         u32 *sqn);
  47 int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen);
  48 void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
  49 int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out);
  50 int mlx5_core_query_sq_state(struct mlx5_core_dev *dev, u32 sqn, u8 *state);
  51 int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
  52                          u32 *tirn);
  53 int mlx5_core_create_tir_out(struct mlx5_core_dev *dev,
  54                              u32 *in, int inlen,
  55                              u32 *out, int outlen);
  56 int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
  57                          int inlen);
  58 void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
  59 int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
  60                          u32 *tisn);
  61 int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
  62                          int inlen);
  63 void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
  64 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
  65                          u32 *rqtn);
  66 int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
  67                          int inlen);
  68 void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn);
  69 
  70 struct mlx5_hairpin_params {
  71         u8  log_data_size;
  72         u8  log_num_packets;
  73         u16 q_counter;
  74         int num_channels;
  75 };
  76 
  77 struct mlx5_hairpin {
  78         struct mlx5_core_dev *func_mdev;
  79         struct mlx5_core_dev *peer_mdev;
  80 
  81         int num_channels;
  82 
  83         u32 *rqn;
  84         u32 *sqn;
  85 
  86         bool peer_gone;
  87 };
  88 
  89 struct mlx5_hairpin *
  90 mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev,
  91                          struct mlx5_core_dev *peer_mdev,
  92                          struct mlx5_hairpin_params *params);
  93 
  94 void mlx5_core_hairpin_destroy(struct mlx5_hairpin *pair);
  95 #endif /* __TRANSOBJ_H__ */