1 /*- 2 * Copyright (c) 2013-2017, Mellanox Technologies, Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #include <linux/kernel.h> 29 #include <linux/module.h> 30 #include <dev/mlx5/driver.h> 31 #include <rdma/ib_verbs.h> 32 #include "mlx5_core.h" 33 34 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) 35 { 36 u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {0}; 37 u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {0}; 38 39 MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); 40 MLX5_SET(attach_to_mcg_in, in, qpn, qpn); 41 memcpy(MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid), mgid, 42 sizeof(*mgid)); 43 44 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 45 } 46 EXPORT_SYMBOL(mlx5_core_attach_mcg); 47 48 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) 49 { 50 u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {0}; 51 u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {0}; 52 53 MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); 54 MLX5_SET(detach_from_mcg_in, in, qpn, qpn); 55 memcpy(MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid), mgid, 56 sizeof(*mgid)); 57 58 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 59 } 60 EXPORT_SYMBOL(mlx5_core_detach_mcg); 61