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1 /*
2  * Copyright (c) 2017, Mellanox Technologies, Ltd.  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 __LIB_MLX5_H__
34 #define __LIB_MLX5_H__
35 
36 #include "mlx5_core.h"
37 
38 void mlx5_init_reserved_gids(struct mlx5_core_dev *dev);
39 void mlx5_cleanup_reserved_gids(struct mlx5_core_dev *dev);
40 int  mlx5_core_reserve_gids(struct mlx5_core_dev *dev, unsigned int count);
41 void mlx5_core_unreserve_gids(struct mlx5_core_dev *dev, unsigned int count);
42 int  mlx5_core_reserved_gid_alloc(struct mlx5_core_dev *dev, int *gid_index);
43 void mlx5_core_reserved_gid_free(struct mlx5_core_dev *dev, int gid_index);
44 int mlx5_crdump_enable(struct mlx5_core_dev *dev);
45 void mlx5_crdump_disable(struct mlx5_core_dev *dev);
46 int mlx5_crdump_collect(struct mlx5_core_dev *dev, u32 *cr_data);
47 
48 /* TODO move to lib/events.h */
49 
50 #define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
51 #define PORT_MODULE_EVENT_ERROR_TYPE_MASK    0xF
52 
53 enum port_module_event_status_type {
54 	MLX5_MODULE_STATUS_PLUGGED   = 0x1,
55 	MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
56 	MLX5_MODULE_STATUS_ERROR     = 0x3,
57 	MLX5_MODULE_STATUS_DISABLED  = 0x4,
58 	MLX5_MODULE_STATUS_NUM,
59 };
60 
61 enum  port_module_event_error_type {
62 	MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED    = 0x0,
63 	MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX  = 0x1,
64 	MLX5_MODULE_EVENT_ERROR_BUS_STUCK                = 0x2,
65 	MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT  = 0x3,
66 	MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST = 0x4,
67 	MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER       = 0x5,
68 	MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE         = 0x6,
69 	MLX5_MODULE_EVENT_ERROR_BAD_CABLE                = 0x7,
70 	MLX5_MODULE_EVENT_ERROR_PCIE_POWER_SLOT_EXCEEDED = 0xc,
71 	MLX5_MODULE_EVENT_ERROR_NUM,
72 };
73 
74 struct mlx5_pme_stats {
75 	u64 status_counters[MLX5_MODULE_STATUS_NUM];
76 	u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
77 };
78 
79 void mlx5_get_pme_stats(struct mlx5_core_dev *dev, struct mlx5_pme_stats *stats);
80 int mlx5_notifier_call_chain(struct mlx5_events *events, unsigned int event, void *data);
81 
82 /* Crypto */
83 enum {
84 	MLX5_ACCEL_OBJ_TLS_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_TLS,
85 	MLX5_ACCEL_OBJ_IPSEC_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_IPSEC,
86 	MLX5_ACCEL_OBJ_MACSEC_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_MACSEC,
87 };
88 
89 int mlx5_create_encryption_key(struct mlx5_core_dev *mdev,
90 			       void *key, u32 sz_bytes,
91 			       u32 key_type, u32 *p_key_id);
92 void mlx5_destroy_encryption_key(struct mlx5_core_dev *mdev, u32 key_id);
93 
mlx5_core_net(struct mlx5_core_dev * dev)94 static inline struct net *mlx5_core_net(struct mlx5_core_dev *dev)
95 {
96 	return devlink_net(priv_to_devlink(dev));
97 }
98 
mlx5_uplink_netdev_set(struct mlx5_core_dev * mdev,struct net_device * netdev)99 static inline void mlx5_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev)
100 {
101 	mdev->mlx5e_res.uplink_netdev = netdev;
102 }
103 
mlx5_uplink_netdev_get(struct mlx5_core_dev * mdev)104 static inline struct net_device *mlx5_uplink_netdev_get(struct mlx5_core_dev *mdev)
105 {
106 	return mdev->mlx5e_res.uplink_netdev;
107 }
108 #endif
109