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/auxiliary_bus.h>
38  #include <linux/notifier.h>
39  #include <linux/mlx4/device.h>
40  
41  #define MLX4_ADEV_NAME "mlx4_core"
42  
43  struct mlx4_dev;
44  
45  #define MLX4_MAC_MASK	   0xffffffffffffULL
46  
47  enum mlx4_dev_event {
48  	MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
49  	MLX4_DEV_EVENT_PORT_UP,
50  	MLX4_DEV_EVENT_PORT_DOWN,
51  	MLX4_DEV_EVENT_PORT_REINIT,
52  	MLX4_DEV_EVENT_PORT_MGMT_CHANGE,
53  	MLX4_DEV_EVENT_SLAVE_INIT,
54  	MLX4_DEV_EVENT_SLAVE_SHUTDOWN,
55  };
56  
57  enum {
58  	MLX4_INTFF_BONDING	= 1 << 0
59  };
60  
61  struct mlx4_adrv {
62  	struct auxiliary_driver	adrv;
63  	enum mlx4_protocol	protocol;
64  	int			flags;
65  };
66  
67  int mlx4_register_auxiliary_driver(struct mlx4_adrv *madrv);
68  void mlx4_unregister_auxiliary_driver(struct mlx4_adrv *madrv);
69  
70  int mlx4_register_event_notifier(struct mlx4_dev *dev,
71  				 struct notifier_block *nb);
72  int mlx4_unregister_event_notifier(struct mlx4_dev *dev,
73  				   struct notifier_block *nb);
74  
75  struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port);
76  
77  #endif /* MLX4_DRIVER_H */
78