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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 | { |
c4f287c4 | 41 | u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {0}; |
211e6c80 MD |
42 | |
43 | MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER); | |
c4f287c4 | 44 | return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); |
211e6c80 MD |
45 | } |
46 | ||
47 | int mlx5_query_board_id(struct mlx5_core_dev *dev) | |
48 | { | |
49 | u32 *out; | |
50 | int outlen = MLX5_ST_SZ_BYTES(query_adapter_out); | |
e126ba97 EC |
51 | int err; |
52 | ||
211e6c80 | 53 | out = kzalloc(outlen, GFP_KERNEL); |
e126ba97 EC |
54 | if (!out) |
55 | return -ENOMEM; | |
56 | ||
211e6c80 | 57 | err = mlx5_cmd_query_adapter(dev, out, outlen); |
e126ba97 | 58 | if (err) |
211e6c80 | 59 | goto out; |
e126ba97 | 60 | |
211e6c80 MD |
61 | memcpy(dev->board_id, |
62 | MLX5_ADDR_OF(query_adapter_out, out, | |
63 | query_adapter_struct.vsd_contd_psid), | |
64 | MLX5_FLD_SZ_BYTES(query_adapter_out, | |
65 | query_adapter_struct.vsd_contd_psid)); | |
e126ba97 | 66 | |
211e6c80 | 67 | out: |
e126ba97 | 68 | kfree(out); |
211e6c80 MD |
69 | return err; |
70 | } | |
e126ba97 | 71 | |
211e6c80 MD |
72 | int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id) |
73 | { | |
74 | u32 *out; | |
75 | int outlen = MLX5_ST_SZ_BYTES(query_adapter_out); | |
76 | int err; | |
77 | ||
78 | out = kzalloc(outlen, GFP_KERNEL); | |
79 | if (!out) | |
80 | return -ENOMEM; | |
81 | ||
82 | err = mlx5_cmd_query_adapter(mdev, out, outlen); | |
83 | if (err) | |
84 | goto out; | |
85 | ||
86 | *vendor_id = MLX5_GET(query_adapter_out, out, | |
87 | query_adapter_struct.ieee_vendor_id); | |
88 | out: | |
89 | kfree(out); | |
e126ba97 EC |
90 | return err; |
91 | } | |
211e6c80 | 92 | EXPORT_SYMBOL(mlx5_core_query_vendor_id); |
e126ba97 | 93 | |
71862561 GP |
94 | static int mlx5_get_pcam_reg(struct mlx5_core_dev *dev) |
95 | { | |
96 | return mlx5_query_pcam_reg(dev, dev->caps.pcam, | |
97 | MLX5_PCAM_FEATURE_ENHANCED_FEATURES, | |
98 | MLX5_PCAM_REGS_5000_TO_507F); | |
99 | } | |
100 | ||
101 | static int mlx5_get_mcam_reg(struct mlx5_core_dev *dev) | |
102 | { | |
103 | return mlx5_query_mcam_reg(dev, dev->caps.mcam, | |
104 | MLX5_MCAM_FEATURE_ENHANCED_FEATURES, | |
105 | MLX5_MCAM_REGS_FIRST_128); | |
106 | } | |
107 | ||
938fe83c | 108 | int mlx5_query_hca_caps(struct mlx5_core_dev *dev) |
e126ba97 | 109 | { |
e420f0c0 HE |
110 | int err; |
111 | ||
b06e7de8 | 112 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL); |
e420f0c0 | 113 | if (err) |
938fe83c | 114 | return err; |
e420f0c0 | 115 | |
938fe83c | 116 | if (MLX5_CAP_GEN(dev, eth_net_offloads)) { |
b06e7de8 | 117 | err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS); |
938fe83c SM |
118 | if (err) |
119 | return err; | |
e420f0c0 HE |
120 | } |
121 | ||
938fe83c | 122 | if (MLX5_CAP_GEN(dev, pg)) { |
b06e7de8 | 123 | err = mlx5_core_get_caps(dev, MLX5_CAP_ODP); |
938fe83c SM |
124 | if (err) |
125 | return err; | |
126 | } | |
e420f0c0 | 127 | |
938fe83c | 128 | if (MLX5_CAP_GEN(dev, atomic)) { |
b06e7de8 | 129 | err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC); |
938fe83c SM |
130 | if (err) |
131 | return err; | |
132 | } | |
e420f0c0 | 133 | |
938fe83c | 134 | if (MLX5_CAP_GEN(dev, roce)) { |
b06e7de8 | 135 | err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE); |
938fe83c SM |
136 | if (err) |
137 | return err; | |
138 | } | |
139 | ||
140 | if (MLX5_CAP_GEN(dev, nic_flow_table)) { | |
b06e7de8 | 141 | err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE); |
938fe83c SM |
142 | if (err) |
143 | return err; | |
144 | } | |
495716b1 SM |
145 | |
146 | if (MLX5_CAP_GEN(dev, vport_group_manager) && | |
147 | MLX5_CAP_GEN(dev, eswitch_flow_table)) { | |
b06e7de8 | 148 | err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE); |
495716b1 SM |
149 | if (err) |
150 | return err; | |
151 | } | |
152 | ||
9bd0a185 | 153 | if (MLX5_CAP_GEN(dev, eswitch_flow_table)) { |
b06e7de8 | 154 | err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH); |
d6666753 SM |
155 | if (err) |
156 | return err; | |
157 | } | |
158 | ||
3f0393a5 SG |
159 | if (MLX5_CAP_GEN(dev, vector_calc)) { |
160 | err = mlx5_core_get_caps(dev, MLX5_CAP_VECTOR_CALC); | |
161 | if (err) | |
162 | return err; | |
163 | } | |
164 | ||
1466cc5b YP |
165 | if (MLX5_CAP_GEN(dev, qos)) { |
166 | err = mlx5_core_get_caps(dev, MLX5_CAP_QOS); | |
167 | if (err) | |
168 | return err; | |
169 | } | |
170 | ||
71862561 GP |
171 | if (MLX5_CAP_GEN(dev, pcam_reg)) |
172 | mlx5_get_pcam_reg(dev); | |
173 | ||
174 | if (MLX5_CAP_GEN(dev, mcam_reg)) | |
175 | mlx5_get_mcam_reg(dev); | |
176 | ||
938fe83c | 177 | return 0; |
e420f0c0 | 178 | } |
e420f0c0 | 179 | |
e126ba97 EC |
180 | int mlx5_cmd_init_hca(struct mlx5_core_dev *dev) |
181 | { | |
04ed5ad5 SM |
182 | u32 out[MLX5_ST_SZ_DW(init_hca_out)] = {0}; |
183 | u32 in[MLX5_ST_SZ_DW(init_hca_in)] = {0}; | |
e126ba97 | 184 | |
04ed5ad5 | 185 | MLX5_SET(init_hca_in, in, opcode, MLX5_CMD_OP_INIT_HCA); |
c4f287c4 | 186 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
e126ba97 EC |
187 | } |
188 | ||
189 | int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev) | |
190 | { | |
04ed5ad5 SM |
191 | u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {0}; |
192 | u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {0}; | |
e126ba97 | 193 | |
04ed5ad5 | 194 | MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA); |
c4f287c4 | 195 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
e126ba97 | 196 | } |