2 * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
33 #ifndef __MLX5_CORE_H__
34 #define __MLX5_CORE_H__
36 #include <linux/types.h>
37 #include <linux/kernel.h>
38 #include <linux/sched.h>
39 #include <linux/if_link.h>
41 #define DRIVER_NAME "mlx5_core"
42 #define DRIVER_VERSION "3.0-1"
43 #define DRIVER_RELDATE "January 2015"
45 #define MLX5_TOTAL_VPORTS(mdev) (1 + pci_sriov_get_totalvfs(mdev->pdev))
47 extern int mlx5_core_debug_mask;
49 extern struct list_head mlx5_dev_list;
50 extern struct mutex mlx5_intf_mutex;
52 #define mlx5_core_dbg(__dev, format, ...) \
53 dev_dbg(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format, \
54 (__dev)->priv.name, __func__, __LINE__, current->pid, \
57 #define mlx5_core_dbg_mask(__dev, mask, format, ...) \
59 if ((mask) & mlx5_core_debug_mask) \
60 mlx5_core_dbg(__dev, format, ##__VA_ARGS__); \
63 #define mlx5_core_err(__dev, format, ...) \
64 dev_err(&(__dev)->pdev->dev, "%s:%d:(pid %d): " format, \
65 __func__, __LINE__, current->pid, \
68 #define mlx5_core_warn(__dev, format, ...) \
69 dev_warn(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format, \
70 (__dev)->priv.name, __func__, __LINE__, current->pid, \
73 #define mlx5_core_info(__dev, format, ...) \
74 dev_info(&(__dev)->pdev->dev, format, ##__VA_ARGS__)
76 #define mlx5_core_for_each_priv(__priv) \
77 list_for_each_entry(__priv, &mlx5_dev_list, dev_list)
80 MLX5_CMD_DATA, /* print command payload only */
81 MLX5_CMD_TIME, /* print command execution time */
84 int mlx5_query_hca_caps(struct mlx5_core_dev *dev);
85 int mlx5_query_board_id(struct mlx5_core_dev *dev);
86 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev);
87 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev);
88 void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
90 void mlx5_enter_error_state(struct mlx5_core_dev *dev);
91 void mlx5_disable_device(struct mlx5_core_dev *dev);
92 int mlx5_core_sriov_configure(struct pci_dev *dev, int num_vfs);
93 int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id);
94 int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id);
95 int mlx5_wait_for_vf_pages(struct mlx5_core_dev *dev);
96 cycle_t mlx5_read_internal_timer(struct mlx5_core_dev *dev);
97 u32 mlx5_get_msix_vec(struct mlx5_core_dev *dev, int vecidx);
98 struct mlx5_eq *mlx5_eqn2eq(struct mlx5_core_dev *dev, int eqn);
99 void mlx5_cq_tasklet_cb(unsigned long data);
101 void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev);
102 void mlx5_lag_remove(struct mlx5_core_dev *dev);
104 void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
105 void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
107 void mlx5e_init(void);
108 void mlx5e_cleanup(void);
110 static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev)
112 /* LACP owner conditions:
113 * 1) Function is physical.
114 * 2) LAG is supported by FW.
115 * 3) LAG is managed by driver (currently the only option).
117 return MLX5_CAP_GEN(dev, vport_group_manager) &&
118 (MLX5_CAP_GEN(dev, num_lag_ports) > 1) &&
119 MLX5_CAP_GEN(dev, lag_master);
122 #endif /* __MLX5_CORE_H__ */