Linux kernel mirror (for testing)
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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 void (*activate)(struct mlx4_dev *dev, void *context);
63 struct list_head list;
64 enum mlx4_protocol protocol;
65 int flags;
66};
67
68int mlx4_register_interface(struct mlx4_interface *intf);
69void mlx4_unregister_interface(struct mlx4_interface *intf);
70
71int mlx4_bond(struct mlx4_dev *dev);
72int mlx4_unbond(struct mlx4_dev *dev);
73static inline int mlx4_is_bonded(struct mlx4_dev *dev)
74{
75 return !!(dev->flags & MLX4_FLAG_BONDED);
76}
77
78static inline int mlx4_is_mf_bonded(struct mlx4_dev *dev)
79{
80 return (mlx4_is_bonded(dev) && mlx4_is_mfunc(dev));
81}
82
83struct mlx4_port_map {
84 u8 port1;
85 u8 port2;
86};
87
88int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p);
89
90void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
91
92static inline u64 mlx4_mac_to_u64(u8 *addr)
93{
94 u64 mac = 0;
95 int i;
96
97 for (i = 0; i < ETH_ALEN; i++) {
98 mac <<= 8;
99 mac |= addr[i];
100 }
101 return mac;
102}
103
104#endif /* MLX4_DRIVER_H */