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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - drivers/net/ethernet/mellanox/mlx5/core/port.c
2 * Copyright (c) 2013, Mellanox Technologies inc. 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/module.h>
34 #include <linux/mlx5/driver.h>
35 #include <linux/mlx5/cmd.h>
36 #include "mlx5_core.h"
38 int mlx5_core_access_reg(struct mlx5_core_dev
*dev
, void *data_in
,
39 int size_in
, void *data_out
, int size_out
,
40 u16 reg_num
, int arg
, int write
)
42 struct mlx5_access_reg_mbox_in
*in
= NULL
;
43 struct mlx5_access_reg_mbox_out
*out
= NULL
;
46 in
= mlx5_vzalloc(sizeof(*in
) + size_in
);
50 out
= mlx5_vzalloc(sizeof(*out
) + size_out
);
54 memcpy(in
->data
, data_in
, size_in
);
55 in
->hdr
.opcode
= cpu_to_be16(MLX5_CMD_OP_ACCESS_REG
);
56 in
->hdr
.opmod
= cpu_to_be16(!write
);
57 in
->arg
= cpu_to_be32(arg
);
58 in
->register_id
= cpu_to_be16(reg_num
);
59 err
= mlx5_cmd_exec(dev
, in
, sizeof(*in
) + size_in
, out
,
60 sizeof(out
) + size_out
);
65 err
= mlx5_cmd_status_to_err(&out
->hdr
);
68 memcpy(data_out
, out
->data
, size_out
);
76 EXPORT_SYMBOL_GPL(mlx5_core_access_reg
);
79 struct mlx5_reg_pcap
{
89 int mlx5_set_port_caps(struct mlx5_core_dev
*dev
, int port_num
, u32 caps
)
91 struct mlx5_reg_pcap in
;
92 struct mlx5_reg_pcap out
;
95 memset(&in
, 0, sizeof(in
));
96 in
.caps_127_96
= cpu_to_be32(caps
);
97 in
.port_num
= port_num
;
99 err
= mlx5_core_access_reg(dev
, &in
, sizeof(in
), &out
,
100 sizeof(out
), MLX5_REG_PCAP
, 0, 1);
104 EXPORT_SYMBOL_GPL(mlx5_set_port_caps
);