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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 | ||
938fe83c SM |
101 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR); |
102 | if (err) | |
103 | return err; | |
e420f0c0 | 104 | |
938fe83c | 105 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_MAX); |
e420f0c0 | 106 | if (err) |
938fe83c | 107 | return err; |
e420f0c0 | 108 | |
938fe83c SM |
109 | if (MLX5_CAP_GEN(dev, eth_net_offloads)) { |
110 | err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS, | |
111 | HCA_CAP_OPMOD_GET_CUR); | |
112 | if (err) | |
113 | return err; | |
114 | err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS, | |
115 | HCA_CAP_OPMOD_GET_MAX); | |
116 | if (err) | |
117 | return err; | |
e420f0c0 HE |
118 | } |
119 | ||
938fe83c SM |
120 | if (MLX5_CAP_GEN(dev, pg)) { |
121 | err = mlx5_core_get_caps(dev, MLX5_CAP_ODP, | |
122 | HCA_CAP_OPMOD_GET_CUR); | |
123 | if (err) | |
124 | return err; | |
125 | err = mlx5_core_get_caps(dev, MLX5_CAP_ODP, | |
126 | HCA_CAP_OPMOD_GET_MAX); | |
127 | if (err) | |
128 | return err; | |
129 | } | |
e420f0c0 | 130 | |
938fe83c SM |
131 | if (MLX5_CAP_GEN(dev, atomic)) { |
132 | err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC, | |
133 | HCA_CAP_OPMOD_GET_CUR); | |
134 | if (err) | |
135 | return err; | |
136 | err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC, | |
137 | HCA_CAP_OPMOD_GET_MAX); | |
138 | if (err) | |
139 | return err; | |
140 | } | |
e420f0c0 | 141 | |
938fe83c SM |
142 | if (MLX5_CAP_GEN(dev, roce)) { |
143 | err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE, | |
144 | HCA_CAP_OPMOD_GET_CUR); | |
145 | if (err) | |
146 | return err; | |
147 | err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE, | |
148 | HCA_CAP_OPMOD_GET_MAX); | |
149 | if (err) | |
150 | return err; | |
151 | } | |
152 | ||
153 | if (MLX5_CAP_GEN(dev, nic_flow_table)) { | |
154 | err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE, | |
155 | HCA_CAP_OPMOD_GET_CUR); | |
156 | if (err) | |
157 | return err; | |
158 | err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE, | |
159 | HCA_CAP_OPMOD_GET_MAX); | |
160 | if (err) | |
161 | return err; | |
162 | } | |
163 | return 0; | |
e420f0c0 | 164 | } |
e420f0c0 | 165 | |
e126ba97 EC |
166 | int mlx5_cmd_init_hca(struct mlx5_core_dev *dev) |
167 | { | |
168 | struct mlx5_cmd_init_hca_mbox_in in; | |
169 | struct mlx5_cmd_init_hca_mbox_out out; | |
170 | int err; | |
171 | ||
172 | memset(&in, 0, sizeof(in)); | |
173 | memset(&out, 0, sizeof(out)); | |
174 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_INIT_HCA); | |
175 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
176 | if (err) | |
177 | return err; | |
178 | ||
179 | if (out.hdr.status) | |
180 | err = mlx5_cmd_status_to_err(&out.hdr); | |
181 | ||
182 | return err; | |
183 | } | |
184 | ||
185 | int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev) | |
186 | { | |
187 | struct mlx5_cmd_teardown_hca_mbox_in in; | |
188 | struct mlx5_cmd_teardown_hca_mbox_out out; | |
189 | int err; | |
190 | ||
191 | memset(&in, 0, sizeof(in)); | |
192 | memset(&out, 0, sizeof(out)); | |
193 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_TEARDOWN_HCA); | |
194 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
195 | if (err) | |
196 | return err; | |
197 | ||
198 | if (out.hdr.status) | |
199 | err = mlx5_cmd_status_to_err(&out.hdr); | |
200 | ||
201 | return err; | |
202 | } |