2 * Copyright (c) 2013-2017, Mellanox Technologies, Ltd. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <linux/kernel.h>
29 #include <linux/module.h>
30 #include <dev/mlx5/driver.h>
31 #include "mlx5_core.h"
33 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
36 int outlen = MLX5_ST_SZ_BYTES(mad_ifc_out);
37 int inlen = MLX5_ST_SZ_BYTES(mad_ifc_in);
44 in = kzalloc(inlen, GFP_KERNEL);
45 out = kzalloc(outlen, GFP_KERNEL);
49 MLX5_SET(mad_ifc_in, in, opcode, MLX5_CMD_OP_MAD_IFC);
50 MLX5_SET(mad_ifc_in, in, op_mod, opmod);
51 MLX5_SET(mad_ifc_in, in, port, port);
53 data = MLX5_ADDR_OF(mad_ifc_in, in, mad);
54 memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad));
56 err = mlx5_cmd_exec(dev, in, inlen, out, outlen);
60 resp = MLX5_ADDR_OF(mad_ifc_out, out, response_mad_packet);
62 MLX5_FLD_SZ_BYTES(mad_ifc_out, response_mad_packet));
69 EXPORT_SYMBOL_GPL(mlx5_core_mad_ifc);