1 /*
2 * Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
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/mlx5/driver.h>
34 #include <linux/mlx5/cmd.h>
35 #include <linux/module.h>
36 #include "mlx5_core.h"
37
mlx5_cmd_query_adapter(struct mlx5_core_dev * dev)38 int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev)
39 {
40 struct mlx5_cmd_query_adapter_mbox_out *out;
41 struct mlx5_cmd_query_adapter_mbox_in in;
42 int err;
43
44 out = kzalloc(sizeof(*out), GFP_KERNEL);
45 if (!out)
46 return -ENOMEM;
47
48 memset(&in, 0, sizeof(in));
49 in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_ADAPTER);
50 err = mlx5_cmd_exec(dev, &in, sizeof(in), out, sizeof(*out));
51 if (err)
52 goto out_out;
53
54 if (out->hdr.status) {
55 err = mlx5_cmd_status_to_err(&out->hdr);
56 goto out_out;
57 }
58
59 memcpy(dev->board_id, out->vsd_psid, sizeof(out->vsd_psid));
60
61 out_out:
62 kfree(out);
63
64 return err;
65 }
66
mlx5_cmd_query_hca_cap(struct mlx5_core_dev * dev,struct mlx5_caps * caps)67 int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, struct mlx5_caps *caps)
68 {
69 return mlx5_core_get_caps(dev, caps, HCA_CAP_OPMOD_GET_CUR);
70 }
71
mlx5_cmd_init_hca(struct mlx5_core_dev * dev)72 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev)
73 {
74 struct mlx5_cmd_init_hca_mbox_in in;
75 struct mlx5_cmd_init_hca_mbox_out out;
76 int err;
77
78 memset(&in, 0, sizeof(in));
79 memset(&out, 0, sizeof(out));
80 in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_INIT_HCA);
81 err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
82 if (err)
83 return err;
84
85 if (out.hdr.status)
86 err = mlx5_cmd_status_to_err(&out.hdr);
87
88 return err;
89 }
90
mlx5_cmd_teardown_hca(struct mlx5_core_dev * dev)91 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
92 {
93 struct mlx5_cmd_teardown_hca_mbox_in in;
94 struct mlx5_cmd_teardown_hca_mbox_out out;
95 int err;
96
97 memset(&in, 0, sizeof(in));
98 memset(&out, 0, sizeof(out));
99 in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_TEARDOWN_HCA);
100 err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
101 if (err)
102 return err;
103
104 if (out.hdr.status)
105 err = mlx5_cmd_status_to_err(&out.hdr);
106
107 return err;
108 }
109