drivers/net/ethernet/mellanox/mlx5/core/fw.c

   1 /*
   2  * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
   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
  38 static int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev, u32 *out,
  39                                   int outlen)
  40 {
  41         u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {0};
  42
  43         MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
  44         return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
  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);
  51         int err;
  52
  53         out = kzalloc(outlen, GFP_KERNEL);
  54         if (!out)
  55                 return -ENOMEM;
  56
  57         err = mlx5_cmd_query_adapter(dev, out, outlen);
  58         if (err)
  59                 goto out;
  60
  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));
  66
  67 out:
  68         kfree(out);
  69         return err;
  70 }
  71
  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);
  90         return err;
  91 }
  92 EXPORT_SYMBOL(mlx5_core_query_vendor_id);
  93
  94 int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
  95 {
  96         int err;
  97
  98         err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL);
  99         if (err)
 100                 return err;
 101
 102         if (MLX5_CAP_GEN(dev, eth_net_offloads)) {
 103                 err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS);
 104                 if (err)
 105                         return err;
 106         }
 107
 108         if (MLX5_CAP_GEN(dev, pg)) {
 109                 err = mlx5_core_get_caps(dev, MLX5_CAP_ODP);
 110                 if (err)
 111                         return err;
 112         }
 113
 114         if (MLX5_CAP_GEN(dev, atomic)) {
 115                 err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC);
 116                 if (err)
 117                         return err;
 118         }
 119
 120         if (MLX5_CAP_GEN(dev, roce)) {
 121                 err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE);
 122                 if (err)
 123                         return err;
 124         }
 125
 126         if (MLX5_CAP_GEN(dev, nic_flow_table)) {
 127                 err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE);
 128                 if (err)
 129                         return err;
 130         }
 131
 132         if (MLX5_CAP_GEN(dev, vport_group_manager) &&
 133             MLX5_CAP_GEN(dev, eswitch_flow_table)) {
 134                 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE);
 135                 if (err)
 136                         return err;
 137         }
 138
 139         if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
 140                 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH);
 141                 if (err)
 142                         return err;
 143         }
 144
 145         if (MLX5_CAP_GEN(dev, vector_calc)) {
 146                 err = mlx5_core_get_caps(dev, MLX5_CAP_VECTOR_CALC);
 147                 if (err)
 148                         return err;
 149         }
 150
 151         if (MLX5_CAP_GEN(dev, qos)) {
 152                 err = mlx5_core_get_caps(dev, MLX5_CAP_QOS);
 153                 if (err)
 154                         return err;
 155         }
 156
 157         return 0;
 158 }
 159
 160 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev)
 161 {
 162         u32 out[MLX5_ST_SZ_DW(init_hca_out)] = {0};
 163         u32 in[MLX5_ST_SZ_DW(init_hca_in)]   = {0};
 164
 165         MLX5_SET(init_hca_in, in, opcode, MLX5_CMD_OP_INIT_HCA);
 166         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 167 }
 168
 169 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
 170 {
 171         u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {0};
 172         u32 in[MLX5_ST_SZ_DW(teardown_hca_in)]   = {0};
 173
 174         MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
 175         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 176 }