diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-13 08:32:22 (GMT) |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 09:41:35 (GMT) |
commit | 5a2cc190eb3fe58fe519795c509b01b25795992e (patch) | |
tree | 9a319736bd77979ab5dbdc26d29424d84eb235b0 /drivers/net/mlx4/intf.c | |
parent | f844a0ead401c3ce0f01a8bb4d6cea2f0f6ad863 (diff) | |
download | linux-5a2cc190eb3fe58fe519795c509b01b25795992e.tar.xz |
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/intf.c')
-rw-r--r-- | drivers/net/mlx4/intf.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/drivers/net/mlx4/intf.c b/drivers/net/mlx4/intf.c deleted file mode 100644 index 73c94fc..0000000 --- a/drivers/net/mlx4/intf.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (c) 2006, 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/slab.h> - -#include "mlx4.h" - -struct mlx4_device_context { - struct list_head list; - struct mlx4_interface *intf; - void *context; -}; - -static LIST_HEAD(intf_list); -static LIST_HEAD(dev_list); -static DEFINE_MUTEX(intf_mutex); - -static void mlx4_add_device(struct mlx4_interface *intf, struct mlx4_priv *priv) -{ - struct mlx4_device_context *dev_ctx; - - dev_ctx = kmalloc(sizeof *dev_ctx, GFP_KERNEL); - if (!dev_ctx) - return; - - dev_ctx->intf = intf; - dev_ctx->context = intf->add(&priv->dev); - - if (dev_ctx->context) { - spin_lock_irq(&priv->ctx_lock); - list_add_tail(&dev_ctx->list, &priv->ctx_list); - spin_unlock_irq(&priv->ctx_lock); - } else - kfree(dev_ctx); -} - -static void mlx4_remove_device(struct mlx4_interface *intf, struct mlx4_priv *priv) -{ - struct mlx4_device_context *dev_ctx; - - list_for_each_entry(dev_ctx, &priv->ctx_list, list) - if (dev_ctx->intf == intf) { - spin_lock_irq(&priv->ctx_lock); - list_del(&dev_ctx->list); - spin_unlock_irq(&priv->ctx_lock); - - intf->remove(&priv->dev, dev_ctx->context); - kfree(dev_ctx); - return; - } -} - -int mlx4_register_interface(struct mlx4_interface *intf) -{ - struct mlx4_priv *priv; - - if (!intf->add || !intf->remove) - return -EINVAL; - - mutex_lock(&intf_mutex); - - list_add_tail(&intf->list, &intf_list); - list_for_each_entry(priv, &dev_list, dev_list) - mlx4_add_device(intf, priv); - - mutex_unlock(&intf_mutex); - - return 0; -} -EXPORT_SYMBOL_GPL(mlx4_register_interface); - -void mlx4_unregister_interface(struct mlx4_interface *intf) -{ - struct mlx4_priv *priv; - - mutex_lock(&intf_mutex); - - list_for_each_entry(priv, &dev_list, dev_list) - mlx4_remove_device(intf, priv); - - list_del(&intf->list); - - mutex_unlock(&intf_mutex); -} -EXPORT_SYMBOL_GPL(mlx4_unregister_interface); - -void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, int port) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - struct mlx4_device_context *dev_ctx; - unsigned long flags; - - spin_lock_irqsave(&priv->ctx_lock, flags); - - list_for_each_entry(dev_ctx, &priv->ctx_list, list) - if (dev_ctx->intf->event) - dev_ctx->intf->event(dev, dev_ctx->context, type, port); - - spin_unlock_irqrestore(&priv->ctx_lock, flags); -} - -int mlx4_register_device(struct mlx4_dev *dev) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - struct mlx4_interface *intf; - - mutex_lock(&intf_mutex); - - list_add_tail(&priv->dev_list, &dev_list); - list_for_each_entry(intf, &intf_list, list) - mlx4_add_device(intf, priv); - - mutex_unlock(&intf_mutex); - mlx4_start_catas_poll(dev); - - return 0; -} - -void mlx4_unregister_device(struct mlx4_dev *dev) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - struct mlx4_interface *intf; - - mlx4_stop_catas_poll(dev); - mutex_lock(&intf_mutex); - - list_for_each_entry(intf, &intf_list, list) - mlx4_remove_device(intf, priv); - - list_del(&priv->dev_list); - - mutex_unlock(&intf_mutex); -} - -void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - struct mlx4_device_context *dev_ctx; - unsigned long flags; - void *result = NULL; - - spin_lock_irqsave(&priv->ctx_lock, flags); - - list_for_each_entry(dev_ctx, &priv->ctx_list, list) - if (dev_ctx->intf->protocol == proto && dev_ctx->intf->get_dev) { - result = dev_ctx->intf->get_dev(dev, dev_ctx->context, port); - break; - } - - spin_unlock_irqrestore(&priv->ctx_lock, flags); - - return result; -} -EXPORT_SYMBOL_GPL(mlx4_get_protocol_dev); |