drivers/net/mlx4/catas.c

   1 /*
   2  * Copyright (c) 2007 Cisco Systems, 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 "mlx4.h"
  34
  35 void mlx4_handle_catas_err(struct mlx4_dev *dev)
  36 {
  37         struct mlx4_priv *priv = mlx4_priv(dev);
  38
  39         int i;
  40
  41         mlx4_err(dev, "Catastrophic error detected:\n");
  42         for (i = 0; i < priv->fw.catas_size; ++i)
  43                 mlx4_err(dev, "  buf[%02x]: %08x\n",
  44                          i, swab32(readl(priv->catas_err.map + i)));
  45
  46         mlx4_dispatch_event(dev, MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR, 0, 0);
  47 }
  48
  49 void mlx4_map_catas_buf(struct mlx4_dev *dev)
  50 {
  51         struct mlx4_priv *priv = mlx4_priv(dev);
  52         unsigned long addr;
  53
  54         addr = pci_resource_start(dev->pdev, priv->fw.catas_bar) +
  55                 priv->fw.catas_offset;
  56
  57         priv->catas_err.map = ioremap(addr, priv->fw.catas_size * 4);
  58         if (!priv->catas_err.map)
  59                 mlx4_warn(dev, "Failed to map catastrophic error buffer at 0x%lx\n",
  60                           addr);
  61
  62 }
  63
  64 void mlx4_unmap_catas_buf(struct mlx4_dev *dev)
  65 {
  66         struct mlx4_priv *priv = mlx4_priv(dev);
  67
  68         if (priv->catas_err.map)
  69                 iounmap(priv->catas_err.map);
  70 }