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
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
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)];
43 memset(in, 0, sizeof(in));
45 MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
47 return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen);
50 int mlx5_query_board_id(struct mlx5_core_dev *dev)
53 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
56 out = kzalloc(outlen, GFP_KERNEL);
60 err = mlx5_cmd_query_adapter(dev, out, outlen);
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));
75 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id)
78 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
81 out = kzalloc(outlen, GFP_KERNEL);
85 err = mlx5_cmd_query_adapter(mdev, out, outlen);
89 *vendor_id = MLX5_GET(query_adapter_out, out,
90 query_adapter_struct.ieee_vendor_id);
95 EXPORT_SYMBOL(mlx5_core_query_vendor_id);
97 int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
101 err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL);
105 if (MLX5_CAP_GEN(dev, eth_net_offloads)) {
106 err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS);
111 if (MLX5_CAP_GEN(dev, pg)) {
112 err = mlx5_core_get_caps(dev, MLX5_CAP_ODP);
117 if (MLX5_CAP_GEN(dev, atomic)) {
118 err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC);
123 if (MLX5_CAP_GEN(dev, roce)) {
124 err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE);
129 if (MLX5_CAP_GEN(dev, nic_flow_table)) {
130 err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE);
135 if (MLX5_CAP_GEN(dev, vport_group_manager) &&
136 MLX5_CAP_GEN(dev, eswitch_flow_table)) {
137 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE);
142 if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
143 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH);
148 if (MLX5_CAP_GEN(dev, vector_calc)) {
149 err = mlx5_core_get_caps(dev, MLX5_CAP_VECTOR_CALC);
157 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev)
159 struct mlx5_cmd_init_hca_mbox_in in;
160 struct mlx5_cmd_init_hca_mbox_out out;
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));
171 err = mlx5_cmd_status_to_err(&out.hdr);
176 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
178 struct mlx5_cmd_teardown_hca_mbox_in in;
179 struct mlx5_cmd_teardown_hca_mbox_out out;
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));
190 err = mlx5_cmd_status_to_err(&out.hdr);