mlx5_mcg.c revision 290650
1/*- 2 * Copyright (c) 2013-2015, 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: head/sys/dev/mlx5/mlx5_core/mlx5_mcg.c 290650 2015-11-10 12:20:22Z hselasky $ 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 34int 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)]; 37 u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)]; 38 39 memset(in, 0, sizeof(in)); 40 41 MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); 42 MLX5_SET(attach_to_mcg_in, in, qpn, qpn); 43 memcpy(MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid), mgid, 44 sizeof(*mgid)); 45 46 memset(out, 0, sizeof(out)); 47 return mlx5_cmd_exec_check_status(dev, in, sizeof(in), 48 out, sizeof(out)); 49} 50EXPORT_SYMBOL(mlx5_core_attach_mcg); 51 52int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) 53{ 54 u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)]; 55 u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)]; 56 57 memset(in, 0, sizeof(in)); 58 59 MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); 60 MLX5_SET(detach_from_mcg_in, in, qpn, qpn); 61 memcpy(MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid), mgid, 62 sizeof(*mgid)); 63 64 memset(out, 0, sizeof(out)); 65 return mlx5_cmd_exec_check_status(dev, in, sizeof(in), 66 out, sizeof(out)); 67} 68EXPORT_SYMBOL(mlx5_core_detach_mcg); 69