linux-vybrid_public/drivers/net/mlx4/catas.c

/*
 * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "mlx4.h"

void mlx4_handle_catas_err(struct mlx4_dev *dev)
{
	struct mlx4_priv *priv = mlx4_priv(dev);

	int i;

	mlx4_err(dev, "Catastrophic error detected:\n");
	for (i = 0; i < priv->fw.catas_size; ++i)
		mlx4_err(dev, "  buf[%02x]: %08x\n",
			 i, swab32(readl(priv->catas_err.map + i)));

	mlx4_dispatch_event(dev, MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR, 0, 0);
}

void mlx4_map_catas_buf(struct mlx4_dev *dev)
{
	struct mlx4_priv *priv = mlx4_priv(dev);
	unsigned long addr;

	addr = pci_resource_start(dev->pdev, priv->fw.catas_bar) +
		priv->fw.catas_offset;

	priv->catas_err.map = ioremap(addr, priv->fw.catas_size * 4);
	if (!priv->catas_err.map)
		mlx4_warn(dev, "Failed to map catastrophic error buffer at 0x%lx\n",
			  addr);

}

void mlx4_unmap_catas_buf(struct mlx4_dev *dev)
{
	struct mlx4_priv *priv = mlx4_priv(dev);

	if (priv->catas_err.map)
		iounmap(priv->catas_err.map);
}