diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-13 01:32:22 -0700 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 02:41:35 -0700 |
commit | 5a2cc190eb3fe58fe519795c509b01b25795992e (patch) | |
tree | 9a319736bd77979ab5dbdc26d29424d84eb235b0 /drivers/net/mlx4/catas.c | |
parent | f844a0ead401c3ce0f01a8bb4d6cea2f0f6ad863 (diff) | |
download | op-kernel-dev-5a2cc190eb3fe58fe519795c509b01b25795992e.zip op-kernel-dev-5a2cc190eb3fe58fe519795c509b01b25795992e.tar.gz |
mlx4: Move the Mellanox driver
Moves the Mellanox driver into drivers/net/ethernet/mellanox/ and
make the necessary Kconfig and Makefile changes.
CC: Roland Dreier <roland@kernel.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/mlx4/catas.c')
-rw-r--r-- | drivers/net/mlx4/catas.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/drivers/net/mlx4/catas.c b/drivers/net/mlx4/catas.c deleted file mode 100644 index 32f9471..0000000 --- a/drivers/net/mlx4/catas.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. - * Copyright (c) 2007, 2008 Mellanox Technologies. 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 <linux/workqueue.h> - -#include "mlx4.h" - -enum { - MLX4_CATAS_POLL_INTERVAL = 5 * HZ, -}; - -static DEFINE_SPINLOCK(catas_lock); - -static LIST_HEAD(catas_list); -static struct work_struct catas_work; - -static int internal_err_reset = 1; -module_param(internal_err_reset, int, 0644); -MODULE_PARM_DESC(internal_err_reset, - "Reset device on internal errors if non-zero (default 1)"); - -static void dump_err_buf(struct mlx4_dev *dev) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - - int i; - - mlx4_err(dev, "Internal 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))); -} - -static void poll_catas(unsigned long dev_ptr) -{ - struct mlx4_dev *dev = (struct mlx4_dev *) dev_ptr; - struct mlx4_priv *priv = mlx4_priv(dev); - - if (readl(priv->catas_err.map)) { - dump_err_buf(dev); - - mlx4_dispatch_event(dev, MLX4_DEV_EVENT_CATASTROPHIC_ERROR, 0); - - if (internal_err_reset) { - spin_lock(&catas_lock); - list_add(&priv->catas_err.list, &catas_list); - spin_unlock(&catas_lock); - - queue_work(mlx4_wq, &catas_work); - } - } else - mod_timer(&priv->catas_err.timer, - round_jiffies(jiffies + MLX4_CATAS_POLL_INTERVAL)); -} - -static void catas_reset(struct work_struct *work) -{ - struct mlx4_priv *priv, *tmppriv; - struct mlx4_dev *dev; - - LIST_HEAD(tlist); - int ret; - - spin_lock_irq(&catas_lock); - list_splice_init(&catas_list, &tlist); - spin_unlock_irq(&catas_lock); - - list_for_each_entry_safe(priv, tmppriv, &tlist, catas_err.list) { - struct pci_dev *pdev = priv->dev.pdev; - - ret = mlx4_restart_one(priv->dev.pdev); - /* 'priv' now is not valid */ - if (ret) - pr_err("mlx4 %s: Reset failed (%d)\n", - pci_name(pdev), ret); - else { - dev = pci_get_drvdata(pdev); - mlx4_dbg(dev, "Reset succeeded\n"); - } - } -} - -void mlx4_start_catas_poll(struct mlx4_dev *dev) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - phys_addr_t addr; - - INIT_LIST_HEAD(&priv->catas_err.list); - init_timer(&priv->catas_err.timer); - priv->catas_err.map = NULL; - - 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 internal error buffer at 0x%llx\n", - (unsigned long long) addr); - return; - } - - priv->catas_err.timer.data = (unsigned long) dev; - priv->catas_err.timer.function = poll_catas; - priv->catas_err.timer.expires = - round_jiffies(jiffies + MLX4_CATAS_POLL_INTERVAL); - add_timer(&priv->catas_err.timer); -} - -void mlx4_stop_catas_poll(struct mlx4_dev *dev) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - - del_timer_sync(&priv->catas_err.timer); - - if (priv->catas_err.map) - iounmap(priv->catas_err.map); - - spin_lock_irq(&catas_lock); - list_del(&priv->catas_err.list); - spin_unlock_irq(&catas_lock); -} - -void __init mlx4_catas_init(void) -{ - INIT_WORK(&catas_work, catas_reset); -} |