include/linux/mlx4/driver.h

   1 /*
   2  * Copyright (c) 2006 Cisco Systems, Inc.  All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef MLX4_DRIVER_H
  34 #define MLX4_DRIVER_H
  35
  36 #include <linux/mlx4/device.h>
  37
  38 struct mlx4_dev;
  39
  40 #define MLX4_MAC_MASK      0xffffffffffffULL
  41
  42 enum mlx4_dev_event {
  43         MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
  44         MLX4_DEV_EVENT_PORT_UP,
  45         MLX4_DEV_EVENT_PORT_DOWN,
  46         MLX4_DEV_EVENT_PORT_REINIT,
  47         MLX4_DEV_EVENT_PORT_MGMT_CHANGE,
  48         MLX4_DEV_EVENT_SLAVE_INIT,
  49         MLX4_DEV_EVENT_SLAVE_SHUTDOWN,
  50 };
  51
  52 enum {
  53         MLX4_INTFF_BONDING      = 1 << 0
  54 };
  55
  56 struct mlx4_interface {
  57         void *                  (*add)   (struct mlx4_dev *dev);
  58         void                    (*remove)(struct mlx4_dev *dev, void *context);
  59         void                    (*event) (struct mlx4_dev *dev, void *context,
  60                                           enum mlx4_dev_event event, unsigned long param);
  61         void *                  (*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
  62         struct list_head        list;
  63         enum mlx4_protocol      protocol;
  64         int                     flags;
  65 };
  66
  67 int mlx4_register_interface(struct mlx4_interface *intf);
  68 void mlx4_unregister_interface(struct mlx4_interface *intf);
  69
  70 int mlx4_bond(struct mlx4_dev *dev);
  71 int mlx4_unbond(struct mlx4_dev *dev);
  72 static inline int mlx4_is_bonded(struct mlx4_dev *dev)
  73 {
  74         return !!(dev->flags & MLX4_FLAG_BONDED);
  75 }
  76
  77 struct mlx4_port_map {
  78         u8      port1;
  79         u8      port2;
  80 };
  81
  82 int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p);
  83
  84 void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
  85
  86 static inline u64 mlx4_mac_to_u64(u8 *addr)
  87 {
  88         u64 mac = 0;
  89         int i;
  90
  91         for (i = 0; i < ETH_ALEN; i++) {
  92                 mac <<= 8;
  93                 mac |= addr[i];
  94         }
  95         return mac;
  96 }
  97
  98 #endif /* MLX4_DRIVER_H */