LXR linux/include/linux/mlx5/transobj.h

   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
  38int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn);
  39void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn);
  40int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen,
  41                        u32 *rqn);
  42int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen);
  43void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn);
  44int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out);
  45int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen,
  46                        u32 *sqn);
  47int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen);
  48void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
  49int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out);
  50int mlx5_core_query_sq_state(struct mlx5_core_dev *dev, u32 sqn, u8 *state);
  51int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
  52                         u32 *tirn);
  53int mlx5_core_create_tir_out(struct mlx5_core_dev *dev,
  54                             u32 *in, int inlen,
  55                             u32 *out, int outlen);
  56int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
  57                         int inlen);
  58void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
  59int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
  60                         u32 *tisn);
  61int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
  62                         int inlen);
  63void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
  64int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
  65                         u32 *rqtn);
  66int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
  67                         int inlen);
  68void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn);
  69
  70struct mlx5_hairpin_params {
  71        u8  log_data_size;
  72        u8  log_num_packets;
  73        u16 q_counter;
  74        int num_channels;
  75};
  76
  77struct 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
  89struct mlx5_hairpin *
  90mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev,
  91                         struct mlx5_core_dev *peer_mdev,
  92                         struct mlx5_hairpin_params *params);
  93
  94void mlx5_core_hairpin_destroy(struct mlx5_hairpin *pair);
  95#endif /* __TRANSOBJ_H__ */
  96