projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| e126ba97 | 1 | /* |
| 302bdf68 | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
| e126ba97 EC |
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 | ||
| 40 | struct mlx5_attach_mcg_mbox_in { | |
| 41 | struct mlx5_inbox_hdr hdr; | |
| 42 | __be32 qpn; | |
| 43 | __be32 rsvd; | |
| 44 | u8 gid[16]; | |
| 45 | }; | |
| 46 | ||
| 47 | struct mlx5_attach_mcg_mbox_out { | |
| 48 | struct mlx5_outbox_hdr hdr; | |
| 49 | u8 rsvf[8]; | |
| 50 | }; | |
| 51 | ||
| 52 | struct mlx5_detach_mcg_mbox_in { | |
| 53 | struct mlx5_inbox_hdr hdr; | |
| 54 | __be32 qpn; | |
| 55 | __be32 rsvd; | |
| 56 | u8 gid[16]; | |
| 57 | }; | |
| 58 | ||
| 59 | struct mlx5_detach_mcg_mbox_out { | |
| 60 | struct mlx5_outbox_hdr hdr; | |
| 61 | u8 rsvf[8]; | |
| 62 | }; | |
| 63 | ||
| 64 | int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) | |
| 65 | { | |
| 66 | struct mlx5_attach_mcg_mbox_in in; | |
| 67 | struct mlx5_attach_mcg_mbox_out out; | |
| 68 | int err; | |
| 69 | ||
| 70 | memset(&in, 0, sizeof(in)); | |
| 71 | memset(&out, 0, sizeof(out)); | |
| 72 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ATTACH_TO_MCG); | |
| 73 | memcpy(in.gid, mgid, sizeof(*mgid)); | |
| 74 | in.qpn = cpu_to_be32(qpn); | |
| 75 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
| 76 | if (err) | |
| 77 | return err; | |
| 78 | ||
| 79 | if (out.hdr.status) | |
| 80 | err = mlx5_cmd_status_to_err(&out.hdr); | |
| 81 | ||
| 82 | return err; | |
| 83 | } | |
| 84 | EXPORT_SYMBOL(mlx5_core_attach_mcg); | |
| 85 | ||
| 86 | int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn) | |
| 87 | { | |
| 88 | struct mlx5_detach_mcg_mbox_in in; | |
| 89 | struct mlx5_detach_mcg_mbox_out out; | |
| 90 | int err; | |
| 91 | ||
| 92 | memset(&in, 0, sizeof(in)); | |
| 93 | memset(&out, 0, sizeof(out)); | |
| 94 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DETACH_FROM_MCG); | |
| 95 | memcpy(in.gid, mgid, sizeof(*mgid)); | |
| 96 | in.qpn = cpu_to_be32(qpn); | |
| 97 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
| 98 | if (err) | |
| 99 | return err; | |
| 100 | ||
| 101 | if (out.hdr.status) | |
| 102 | err = mlx5_cmd_status_to_err(&out.hdr); | |
| 103 | ||
| 104 | return err; | |
| 105 | } | |
| 106 | EXPORT_SYMBOL(mlx5_core_detach_mcg); |