Commit | Line | Data |
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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 "mlx5_core.h" | |
38 | ||
a97e2d86 | 39 | int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb, |
f241e749 | 40 | u16 opmod, u8 port) |
e126ba97 EC |
41 | { |
42 | struct mlx5_mad_ifc_mbox_in *in = NULL; | |
43 | struct mlx5_mad_ifc_mbox_out *out = NULL; | |
44 | int err; | |
45 | ||
46 | in = kzalloc(sizeof(*in), GFP_KERNEL); | |
47 | if (!in) | |
48 | return -ENOMEM; | |
49 | ||
50 | out = kzalloc(sizeof(*out), GFP_KERNEL); | |
51 | if (!out) { | |
52 | err = -ENOMEM; | |
53 | goto out; | |
54 | } | |
55 | ||
56 | in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MAD_IFC); | |
57 | in->hdr.opmod = cpu_to_be16(opmod); | |
58 | in->port = port; | |
59 | ||
60 | memcpy(in->data, inb, sizeof(in->data)); | |
61 | ||
62 | err = mlx5_cmd_exec(dev, in, sizeof(*in), out, sizeof(*out)); | |
63 | if (err) | |
64 | goto out; | |
65 | ||
66 | if (out->hdr.status) { | |
67 | err = mlx5_cmd_status_to_err(&out->hdr); | |
68 | goto out; | |
69 | } | |
70 | ||
71 | memcpy(outb, out->data, sizeof(out->data)); | |
72 | ||
73 | out: | |
74 | kfree(out); | |
75 | kfree(in); | |
76 | return err; | |
77 | } | |
78 | EXPORT_SYMBOL_GPL(mlx5_core_mad_ifc); |