/*
 * 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 <dev/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);

static inline u64 mlx4_mac_to_u64(const u8 *addr)
{
        u64 mac = 0;
        int i;

        for (i = 0; i < ETH_ALEN; i++) {
                mac <<= 8;
                mac |= addr[i];
        }
        return mac;
}

void mlx4_disable_interrupts(struct mlx4_dev *);
void mlx4_poll_interrupts(struct mlx4_dev *);

#endif /* MLX4_DRIVER_H */