Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1 | /* |
Saeed Mahameed | 302bdf6 | 2015-04-02 17:07:29 +0300 | [diff] [blame] | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 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 | #include <linux/kernel.h> |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/mlx5/driver.h> |
| 36 | #include <linux/mlx5/cmd.h> |
| 37 | #include <rdma/ib_verbs.h> |
| 38 | #include "mlx5_core.h" |
| 39 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 40 | int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) |
| 41 | { |
Saeed Mahameed | 20bb566 | 2016-07-17 02:01:45 +0300 | [diff] [blame] | 42 | u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {0}; |
| 43 | u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {0}; |
| 44 | void *gid; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 45 | |
Saeed Mahameed | 20bb566 | 2016-07-17 02:01:45 +0300 | [diff] [blame] | 46 | MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); |
| 47 | MLX5_SET(attach_to_mcg_in, in, qpn, qpn); |
| 48 | gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid); |
| 49 | memcpy(gid, mgid, sizeof(*mgid)); |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 50 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 51 | } |
| 52 | EXPORT_SYMBOL(mlx5_core_attach_mcg); |
| 53 | |
| 54 | int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) |
| 55 | { |
Saeed Mahameed | 20bb566 | 2016-07-17 02:01:45 +0300 | [diff] [blame] | 56 | u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {0}; |
| 57 | u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {0}; |
| 58 | void *gid; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 59 | |
Saeed Mahameed | 20bb566 | 2016-07-17 02:01:45 +0300 | [diff] [blame] | 60 | MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); |
| 61 | MLX5_SET(detach_from_mcg_in, in, qpn, qpn); |
| 62 | gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid); |
| 63 | memcpy(gid, mgid, sizeof(*mgid)); |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 64 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 65 | } |
| 66 | EXPORT_SYMBOL(mlx5_core_detach_mcg); |