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

   1 /*
   2  * Copyright (c) 2013, Mellanox Technologies inc.  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 int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev)
  39 {
  40         struct mlx5_cmd_query_adapter_mbox_out *out;
  41         struct mlx5_cmd_query_adapter_mbox_in in;
  42         int err;
  43
  44         out = kzalloc(sizeof(*out), GFP_KERNEL);
  45         if (!out)
  46                 return -ENOMEM;
  47
  48         memset(&in, 0, sizeof(in));
  49         in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_ADAPTER);
  50         err = mlx5_cmd_exec(dev, &in, sizeof(in), out, sizeof(*out));
  51         if (err)
  52                 goto out_out;
  53
  54         if (out->hdr.status) {
  55                 err = mlx5_cmd_status_to_err(&out->hdr);
  56                 goto out_out;
  57         }
  58
  59         memcpy(dev->board_id, out->vsd_psid, sizeof(out->vsd_psid));
  60
  61 out_out:
  62         kfree(out);
  63
  64         return err;
  65 }
  66
  67 int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, struct mlx5_caps *caps)
  68 {
  69         return mlx5_core_get_caps(dev, caps, HCA_CAP_OPMOD_GET_CUR);
  70 }
  71
  72 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev)
  73 {
  74         struct mlx5_cmd_init_hca_mbox_in in;
  75         struct mlx5_cmd_init_hca_mbox_out out;
  76         int err;
  77
  78         memset(&in, 0, sizeof(in));
  79         memset(&out, 0, sizeof(out));
  80         in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_INIT_HCA);
  81         err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
  82         if (err)
  83                 return err;
  84
  85         if (out.hdr.status)
  86                 err = mlx5_cmd_status_to_err(&out.hdr);
  87
  88         return err;
  89 }
  90
  91 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
  92 {
  93         struct mlx5_cmd_teardown_hca_mbox_in in;
  94         struct mlx5_cmd_teardown_hca_mbox_out out;
  95         int err;
  96
  97         memset(&in, 0, sizeof(in));
  98         memset(&out, 0, sizeof(out));
  99         in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_TEARDOWN_HCA);
 100         err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
 101         if (err)
 102                 return err;
 103
 104         if (out.hdr.status)
 105                 err = mlx5_cmd_status_to_err(&out.hdr);
 106
 107         return err;
 108 }