Current File : //usr/src/linux-headers-5.15.0-125-generic/include/linux/mlx4/driver.h
/*
* Copyright (c) 2006 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.
*/
#ifndef MLX4_DRIVER_H
#define MLX4_DRIVER_H
#include <net/devlink.h>
#include <linux/mlx4/device.h>
struct mlx4_dev;
#define MLX4_MAC_MASK 0xffffffffffffULL
enum mlx4_dev_event {
MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
MLX4_DEV_EVENT_PORT_UP,
MLX4_DEV_EVENT_PORT_DOWN,
MLX4_DEV_EVENT_PORT_REINIT,
MLX4_DEV_EVENT_PORT_MGMT_CHANGE,
MLX4_DEV_EVENT_SLAVE_INIT,
MLX4_DEV_EVENT_SLAVE_SHUTDOWN,
};
enum {
MLX4_INTFF_BONDING = 1 << 0
};
struct mlx4_interface {
void * (*add) (struct mlx4_dev *dev);
void (*remove)(struct mlx4_dev *dev, void *context);
void (*event) (struct mlx4_dev *dev, void *context,
enum mlx4_dev_event event, unsigned long param);
void * (*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
void (*activate)(struct mlx4_dev *dev, void *context);
struct list_head list;
enum mlx4_protocol protocol;
int flags;
};
int mlx4_register_interface(struct mlx4_interface *intf);
void mlx4_unregister_interface(struct mlx4_interface *intf);
int mlx4_bond(struct mlx4_dev *dev);
int mlx4_unbond(struct mlx4_dev *dev);
static inline int mlx4_is_bonded(struct mlx4_dev *dev)
{
return !!(dev->flags & MLX4_FLAG_BONDED);
}
static inline int mlx4_is_mf_bonded(struct mlx4_dev *dev)
{
return (mlx4_is_bonded(dev) && mlx4_is_mfunc(dev));
}
struct mlx4_port_map {
u8 port1;
u8 port2;
};
int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p);
void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port);
static inline u64 mlx4_mac_to_u64(u8 *addr)
{
u64 mac = 0;
int i;
for (i = 0; i < ETH_ALEN; i++) {
mac <<= 8;
mac |= addr[i];
}
return mac;
}
static inline void mlx4_u64_to_mac(u8 *addr, u64 mac)
{
int i;
for (i = ETH_ALEN; i > 0; i--) {
addr[i - 1] = mac & 0xFF;
mac >>= 8;
}
}
#endif /* MLX4_DRIVER_H */
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