xref: /linux-6.15/include/linux/mlx4/driver.h (revision e2fb47d4)
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 <net/devlink.h>
37 #include <linux/notifier.h>
38 #include <linux/mlx4/device.h>
39 
40 struct mlx4_dev;
41 
42 #define MLX4_MAC_MASK	   0xffffffffffffULL
43 
44 enum mlx4_dev_event {
45 	MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
46 	MLX4_DEV_EVENT_PORT_UP,
47 	MLX4_DEV_EVENT_PORT_DOWN,
48 	MLX4_DEV_EVENT_PORT_REINIT,
49 	MLX4_DEV_EVENT_PORT_MGMT_CHANGE,
50 	MLX4_DEV_EVENT_SLAVE_INIT,
51 	MLX4_DEV_EVENT_SLAVE_SHUTDOWN,
52 };
53 
54 enum {
55 	MLX4_INTFF_BONDING	= 1 << 0
56 };
57 
58 struct mlx4_interface {
59 	void *			(*add)	 (struct mlx4_dev *dev);
60 	void			(*remove)(struct mlx4_dev *dev, void *context);
61 	struct list_head	list;
62 	enum mlx4_protocol	protocol;
63 	int			flags;
64 };
65 
66 int mlx4_register_interface(struct mlx4_interface *intf);
67 void mlx4_unregister_interface(struct mlx4_interface *intf);
68 
69 int mlx4_register_event_notifier(struct mlx4_dev *dev,
70 				 struct notifier_block *nb);
71 int mlx4_unregister_event_notifier(struct mlx4_dev *dev,
72 				   struct notifier_block *nb);
73 
74 struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port);
75 
76 #endif /* MLX4_DRIVER_H */
77