2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/mlx5/driver.h>
34 #include <linux/mlx5/cmd.h>
35 #include <linux/module.h>
36 #include "mlx5_core.h"
38 static int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev, u32 *out,
41 u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {0};
43 MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
44 return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
47 int mlx5_query_board_id(struct mlx5_core_dev *dev)
50 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
53 out = kzalloc(outlen, GFP_KERNEL);
57 err = mlx5_cmd_query_adapter(dev, out, outlen);
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));
72 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id)
75 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
78 out = kzalloc(outlen, GFP_KERNEL);
82 err = mlx5_cmd_query_adapter(mdev, out, outlen);
86 *vendor_id = MLX5_GET(query_adapter_out, out,
87 query_adapter_struct.ieee_vendor_id);
92 EXPORT_SYMBOL(mlx5_core_query_vendor_id);
94 static int mlx5_get_pcam_reg(struct mlx5_core_dev *dev)
96 return mlx5_query_pcam_reg(dev, dev->caps.pcam,
97 MLX5_PCAM_FEATURE_ENHANCED_FEATURES,
98 MLX5_PCAM_REGS_5000_TO_507F);
101 static int mlx5_get_mcam_reg(struct mlx5_core_dev *dev)
103 return mlx5_query_mcam_reg(dev, dev->caps.mcam,
104 MLX5_MCAM_FEATURE_ENHANCED_FEATURES,
105 MLX5_MCAM_REGS_FIRST_128);
108 int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
112 err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL);
116 if (MLX5_CAP_GEN(dev, eth_net_offloads)) {
117 err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS);
122 if (MLX5_CAP_GEN(dev, pg)) {
123 err = mlx5_core_get_caps(dev, MLX5_CAP_ODP);
128 if (MLX5_CAP_GEN(dev, atomic)) {
129 err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC);
134 if (MLX5_CAP_GEN(dev, roce)) {
135 err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE);
140 if (MLX5_CAP_GEN(dev, nic_flow_table)) {
141 err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE);
146 if (MLX5_CAP_GEN(dev, vport_group_manager) &&
147 MLX5_CAP_GEN(dev, eswitch_flow_table)) {
148 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE);
153 if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
154 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH);
159 if (MLX5_CAP_GEN(dev, vector_calc)) {
160 err = mlx5_core_get_caps(dev, MLX5_CAP_VECTOR_CALC);
165 if (MLX5_CAP_GEN(dev, qos)) {
166 err = mlx5_core_get_caps(dev, MLX5_CAP_QOS);
171 if (MLX5_CAP_GEN(dev, pcam_reg))
172 mlx5_get_pcam_reg(dev);
174 if (MLX5_CAP_GEN(dev, mcam_reg))
175 mlx5_get_mcam_reg(dev);
180 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev)
182 u32 out[MLX5_ST_SZ_DW(init_hca_out)] = {0};
183 u32 in[MLX5_ST_SZ_DW(init_hca_in)] = {0};
185 MLX5_SET(init_hca_in, in, opcode, MLX5_CMD_OP_INIT_HCA);
186 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
189 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
191 u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {0};
192 u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {0};
194 MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
195 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));