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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-05-13 01:32:22 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-11 02:41:35 -0700
commit5a2cc190eb3fe58fe519795c509b01b25795992e (patch)
tree9a319736bd77979ab5dbdc26d29424d84eb235b0 /drivers/net/mlx4/catas.c
parentf844a0ead401c3ce0f01a8bb4d6cea2f0f6ad863 (diff)
downloadop-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.c156
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);
-}
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