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
52struct mlx4_interface {
53	void *			(*add)	 (struct mlx4_dev *dev);
54	void			(*remove)(struct mlx4_dev *dev, void *context);
55	void			(*event) (struct mlx4_dev *dev, void *context,
56					  enum mlx4_dev_event event, unsigned long param);
57	void *			(*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
58	struct list_head	list;
59	enum mlx4_protocol	protocol;
60};
61
62int mlx4_register_interface(struct mlx4_interface *intf);
63void mlx4_unregister_interface(struct mlx4_interface *intf);
64
65void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
66
67static inline u64 mlx4_mac_to_u64(u8 *addr)
68{
69	u64 mac = 0;
70	int i;
71
72	for (i = 0; i < ETH_ALEN; i++) {
73		mac <<= 8;
74		mac |= addr[i];
75	}
76	return mac;
77}
78
79#endif /* MLX4_DRIVER_H */
80