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
38struct mlx4_dev;
39
40#define MLX4_MAC_MASK	   0xffffffffffffULL
41
42enum 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
52enum {
53	MLX4_INTFF_BONDING	= 1 << 0
54};
55
56struct 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
67int mlx4_register_interface(struct mlx4_interface *intf);
68void mlx4_unregister_interface(struct mlx4_interface *intf);
69
70int mlx4_bond(struct mlx4_dev *dev);
71int mlx4_unbond(struct mlx4_dev *dev);
72static inline int mlx4_is_bonded(struct mlx4_dev *dev)
73{
74	return !!(dev->flags & MLX4_FLAG_BONDED);
75}
76
77struct mlx4_port_map {
78	u8	port1;
79	u8	port2;
80};
81
82int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p);
83
84void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
85
86static 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 */
99