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mlx5: Adjust events to use unsigned long param instead of void *

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In the event flow, we currently pass only a port number in the
void *data argument.  Rather than pass a pointer to the event handlers,
we should use an "unsigned long" parameter, and pass the port number
value directly.

In the future, if necessary for some events, we can use the unsigned long
parameter to pass a pointer.

Based on a patch by Eli Cohen <eli@mellanox.com>

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jack Morgenstein 2014-07-28 23:30:24 +03:00 committed by David S. Miller
parent f241e7497e
commit 4d2f9bbb65
4 changed files with 13 additions and 12 deletions
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14
drivers/infiniband/hw/mlx5/main.c
View File

@ -905,7 +905,7 @@ static struct device_attribute *mlx5_class_attributes[] = {
};
static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
enum mlx5_dev_event event, void *data)
enum mlx5_dev_event event, unsigned long param)
{
struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context;
struct ib_event ibev;
@ -920,12 +920,12 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
case MLX5_DEV_EVENT_PORT_UP:
ibev.event = IB_EVENT_PORT_ACTIVE;
port = *(u8 *)data;
port = (u8)param;
break;
case MLX5_DEV_EVENT_PORT_DOWN:
ibev.event = IB_EVENT_PORT_ERR;
port = *(u8 *)data;
port = (u8)param;
break;
case MLX5_DEV_EVENT_PORT_INITIALIZED:
@ -934,22 +934,22 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
case MLX5_DEV_EVENT_LID_CHANGE:
ibev.event = IB_EVENT_LID_CHANGE;
port = *(u8 *)data;
port = (u8)param;
break;
case MLX5_DEV_EVENT_PKEY_CHANGE:
ibev.event = IB_EVENT_PKEY_CHANGE;
port = *(u8 *)data;
port = (u8)param;
break;
case MLX5_DEV_EVENT_GUID_CHANGE:
ibev.event = IB_EVENT_GID_CHANGE;
port = *(u8 *)data;
port = (u8)param;
break;
case MLX5_DEV_EVENT_CLIENT_REREG:
ibev.event = IB_EVENT_CLIENT_REREGISTER;
port = *(u8 *)data;
port = (u8)param;
break;
}

3
drivers/net/ethernet/mellanox/mlx5/core/eq.c
View File

@ -253,7 +253,8 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
case MLX5_PORT_CHANGE_SUBTYPE_CLIENT_REREG:
case MLX5_PORT_CHANGE_SUBTYPE_INITIALIZED:
if (dev->event)
dev->event(dev, port_subtype_event(eqe->sub_type), &port);
dev->event(dev, port_subtype_event(eqe->sub_type),
(unsigned long)port);
break;
default:
mlx5_core_warn(dev, "Port event with unrecognized subtype: port %d, sub_type %d\n",

4
drivers/net/ethernet/mellanox/mlx5/core/main.c
View File

@ -704,7 +704,7 @@ void mlx5_unregister_interface(struct mlx5_interface *intf)
EXPORT_SYMBOL(mlx5_unregister_interface);
static void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
void *data)
unsigned long param)
{
struct mlx5_priv *priv = &dev->priv;
struct mlx5_device_context *dev_ctx;
@ -714,7 +714,7 @@ static void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event
list_for_each_entry(dev_ctx, &priv->ctx_list, list)
if (dev_ctx->intf->event)
dev_ctx->intf->event(dev, dev_ctx->context, event, data);
dev_ctx->intf->event(dev, dev_ctx->context, event, param);
spin_unlock_irqrestore(&priv->ctx_lock, flags);
}

4
include/linux/mlx5/driver.h
View File

@ -559,7 +559,7 @@ struct mlx5_core_dev {
struct mlx5_init_seg __iomem *iseg;
void (*event) (struct mlx5_core_dev *dev,
enum mlx5_dev_event event,
void *data);
unsigned long param);
struct mlx5_priv priv;
struct mlx5_profile *profile;
atomic_t num_qps;
@ -817,7 +817,7 @@ struct mlx5_interface {
void * (*add)(struct mlx5_core_dev *dev);
void (*remove)(struct mlx5_core_dev *dev, void *context);
void (*event)(struct mlx5_core_dev *dev, void *context,
enum mlx5_dev_event event, void *data);
enum mlx5_dev_event event, unsigned long param);
struct list_head list;
};