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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/mlx5/driver.h> | |
34 | #include <linux/mlx5/cmd.h> | |
35 | #include <linux/module.h> | |
36 | #include "mlx5_core.h" | |
37 | ||
7cf7fa52 MD |
38 | static int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev, u32 *out, |
39 | int outlen) | |
e126ba97 | 40 | { |
211e6c80 MD |
41 | u32 in[MLX5_ST_SZ_DW(query_adapter_in)]; |
42 | ||
43 | memset(in, 0, sizeof(in)); | |
44 | ||
45 | MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER); | |
46 | ||
47 | return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen); | |
48 | } | |
49 | ||
50 | int mlx5_query_board_id(struct mlx5_core_dev *dev) | |
51 | { | |
52 | u32 *out; | |
53 | int outlen = MLX5_ST_SZ_BYTES(query_adapter_out); | |
e126ba97 EC |
54 | int err; |
55 | ||
211e6c80 | 56 | out = kzalloc(outlen, GFP_KERNEL); |
e126ba97 EC |
57 | if (!out) |
58 | return -ENOMEM; | |
59 | ||
211e6c80 | 60 | err = mlx5_cmd_query_adapter(dev, out, outlen); |
e126ba97 | 61 | if (err) |
211e6c80 | 62 | goto out; |
e126ba97 | 63 | |
211e6c80 MD |
64 | memcpy(dev->board_id, |
65 | MLX5_ADDR_OF(query_adapter_out, out, | |
66 | query_adapter_struct.vsd_contd_psid), | |
67 | MLX5_FLD_SZ_BYTES(query_adapter_out, | |
68 | query_adapter_struct.vsd_contd_psid)); | |
e126ba97 | 69 | |
211e6c80 | 70 | out: |
e126ba97 | 71 | kfree(out); |
211e6c80 MD |
72 | return err; |
73 | } | |
e126ba97 | 74 | |
211e6c80 MD |
75 | int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id) |
76 | { | |
77 | u32 *out; | |
78 | int outlen = MLX5_ST_SZ_BYTES(query_adapter_out); | |
79 | int err; | |
80 | ||
81 | out = kzalloc(outlen, GFP_KERNEL); | |
82 | if (!out) | |
83 | return -ENOMEM; | |
84 | ||
85 | err = mlx5_cmd_query_adapter(mdev, out, outlen); | |
86 | if (err) | |
87 | goto out; | |
88 | ||
89 | *vendor_id = MLX5_GET(query_adapter_out, out, | |
90 | query_adapter_struct.ieee_vendor_id); | |
91 | out: | |
92 | kfree(out); | |
e126ba97 EC |
93 | return err; |
94 | } | |
211e6c80 | 95 | EXPORT_SYMBOL(mlx5_core_query_vendor_id); |
e126ba97 | 96 | |
938fe83c | 97 | int mlx5_query_hca_caps(struct mlx5_core_dev *dev) |
e126ba97 | 98 | { |
e420f0c0 HE |
99 | int err; |
100 | ||
b06e7de8 | 101 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL); |
e420f0c0 | 102 | if (err) |
938fe83c | 103 | return err; |
e420f0c0 | 104 | |
938fe83c | 105 | if (MLX5_CAP_GEN(dev, eth_net_offloads)) { |
b06e7de8 | 106 | err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS); |
938fe83c SM |
107 | if (err) |
108 | return err; | |
e420f0c0 HE |
109 | } |
110 | ||
938fe83c | 111 | if (MLX5_CAP_GEN(dev, pg)) { |
b06e7de8 | 112 | err = mlx5_core_get_caps(dev, MLX5_CAP_ODP); |
938fe83c SM |
113 | if (err) |
114 | return err; | |
115 | } | |
e420f0c0 | 116 | |
938fe83c | 117 | if (MLX5_CAP_GEN(dev, atomic)) { |
b06e7de8 | 118 | err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC); |
938fe83c SM |
119 | if (err) |
120 | return err; | |
121 | } | |
e420f0c0 | 122 | |
938fe83c | 123 | if (MLX5_CAP_GEN(dev, roce)) { |
b06e7de8 | 124 | err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE); |
938fe83c SM |
125 | if (err) |
126 | return err; | |
127 | } | |
128 | ||
129 | if (MLX5_CAP_GEN(dev, nic_flow_table)) { | |
b06e7de8 | 130 | err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE); |
938fe83c SM |
131 | if (err) |
132 | return err; | |
133 | } | |
495716b1 SM |
134 | |
135 | if (MLX5_CAP_GEN(dev, vport_group_manager) && | |
136 | MLX5_CAP_GEN(dev, eswitch_flow_table)) { | |
b06e7de8 | 137 | err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE); |
495716b1 SM |
138 | if (err) |
139 | return err; | |
140 | } | |
141 | ||
9bd0a185 | 142 | if (MLX5_CAP_GEN(dev, eswitch_flow_table)) { |
b06e7de8 | 143 | err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH); |
d6666753 SM |
144 | if (err) |
145 | return err; | |
146 | } | |
147 | ||
3f0393a5 SG |
148 | if (MLX5_CAP_GEN(dev, vector_calc)) { |
149 | err = mlx5_core_get_caps(dev, MLX5_CAP_VECTOR_CALC); | |
150 | if (err) | |
151 | return err; | |
152 | } | |
153 | ||
938fe83c | 154 | return 0; |
e420f0c0 | 155 | } |
e420f0c0 | 156 | |
e126ba97 EC |
157 | int mlx5_cmd_init_hca(struct mlx5_core_dev *dev) |
158 | { | |
159 | struct mlx5_cmd_init_hca_mbox_in in; | |
160 | struct mlx5_cmd_init_hca_mbox_out out; | |
161 | int err; | |
162 | ||
163 | memset(&in, 0, sizeof(in)); | |
164 | memset(&out, 0, sizeof(out)); | |
165 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_INIT_HCA); | |
166 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
167 | if (err) | |
168 | return err; | |
169 | ||
170 | if (out.hdr.status) | |
171 | err = mlx5_cmd_status_to_err(&out.hdr); | |
172 | ||
173 | return err; | |
174 | } | |
175 | ||
176 | int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev) | |
177 | { | |
178 | struct mlx5_cmd_teardown_hca_mbox_in in; | |
179 | struct mlx5_cmd_teardown_hca_mbox_out out; | |
180 | int err; | |
181 | ||
182 | memset(&in, 0, sizeof(in)); | |
183 | memset(&out, 0, sizeof(out)); | |
184 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_TEARDOWN_HCA); | |
185 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
186 | if (err) | |
187 | return err; | |
188 | ||
189 | if (out.hdr.status) | |
190 | err = mlx5_cmd_status_to_err(&out.hdr); | |
191 | ||
192 | return err; | |
193 | } |