xref: /linux-6.15/include/linux/mlx4/driver.h (revision 8fdff1dc)
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 struct 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 
62 int mlx4_register_interface(struct mlx4_interface *intf);
63 void mlx4_unregister_interface(struct mlx4_interface *intf);
64 
65 void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
66 
67 #endif /* MLX4_DRIVER_H */
68