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
);