drivers/regex/mlx5/mlx5_regex_devx.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2020 Mellanox Technologies, Ltd
   3  */
   4
   5 #include <rte_errno.h>
   6 #include <rte_log.h>
   7
   8 #include <mlx5_glue.h>
   9 #include <mlx5_devx_cmds.h>
  10 #include <mlx5_prm.h>
  11
  12 #include "mlx5_regex.h"
  13 #include "mlx5_regex_utils.h"
  14
  15 int
  16 mlx5_devx_regex_rules_program(void *ctx, uint8_t engine, uint32_t rof_mkey,
  17                                 uint32_t rof_size, uint64_t rof_mkey_va)
  18 {
  19         uint32_t out[MLX5_ST_SZ_DW(set_regexp_params_out)] = {0};
  20         uint32_t in[MLX5_ST_SZ_DW(set_regexp_params_in)] = {0};
  21         int ret;
  22
  23         MLX5_SET(set_regexp_params_in, in, opcode, MLX5_CMD_SET_REGEX_PARAMS);
  24         MLX5_SET(set_regexp_params_in, in, engine_id, engine);
  25         MLX5_SET(set_regexp_params_in, in, regexp_params.rof_mkey, rof_mkey);
  26         MLX5_SET(set_regexp_params_in, in, regexp_params.rof_size, rof_size);
  27         MLX5_SET64(set_regexp_params_in, in, regexp_params.rof_mkey_va,
  28                    rof_mkey_va);
  29         MLX5_SET(set_regexp_params_in, in, field_select.rof_mkey, 1);
  30         ret = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out,
  31                                           sizeof(out));
  32         if (ret) {
  33                 DRV_LOG(ERR, "Rules program failed %d", ret);
  34                 rte_errno = errno;
  35                 return -errno;
  36         }
  37         return 0;
  38 }