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![Mohamad Haj Yahia](/assets/img/avatar_default.png)
Hide the exposed (external) mlx5_dev_list and mlx5_intf_mutex and expose an organized modular API to manage and manipulate mlx5 devices list. Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
134 lines
5.2 KiB
C
134 lines
5.2 KiB
C
/*
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* Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __MLX5_CORE_H__
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#define __MLX5_CORE_H__
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/if_link.h>
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#define DRIVER_NAME "mlx5_core"
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#define DRIVER_VERSION "3.0-1"
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#define DRIVER_RELDATE "January 2015"
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#define MLX5_TOTAL_VPORTS(mdev) (1 + pci_sriov_get_totalvfs(mdev->pdev))
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extern int mlx5_core_debug_mask;
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#define mlx5_core_dbg(__dev, format, ...) \
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dev_dbg(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format, \
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(__dev)->priv.name, __func__, __LINE__, current->pid, \
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##__VA_ARGS__)
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#define mlx5_core_dbg_mask(__dev, mask, format, ...) \
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do { \
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if ((mask) & mlx5_core_debug_mask) \
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mlx5_core_dbg(__dev, format, ##__VA_ARGS__); \
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} while (0)
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#define mlx5_core_err(__dev, format, ...) \
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dev_err(&(__dev)->pdev->dev, "%s:%d:(pid %d): " format, \
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__func__, __LINE__, current->pid, \
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##__VA_ARGS__)
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#define mlx5_core_warn(__dev, format, ...) \
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dev_warn(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format, \
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(__dev)->priv.name, __func__, __LINE__, current->pid, \
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##__VA_ARGS__)
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#define mlx5_core_info(__dev, format, ...) \
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dev_info(&(__dev)->pdev->dev, format, ##__VA_ARGS__)
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enum {
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MLX5_CMD_DATA, /* print command payload only */
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MLX5_CMD_TIME, /* print command execution time */
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};
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int mlx5_query_hca_caps(struct mlx5_core_dev *dev);
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int mlx5_query_board_id(struct mlx5_core_dev *dev);
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int mlx5_cmd_init_hca(struct mlx5_core_dev *dev);
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int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev);
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void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
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unsigned long param);
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void mlx5_enter_error_state(struct mlx5_core_dev *dev);
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void mlx5_disable_device(struct mlx5_core_dev *dev);
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int mlx5_sriov_init(struct mlx5_core_dev *dev);
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void mlx5_sriov_cleanup(struct mlx5_core_dev *dev);
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int mlx5_sriov_attach(struct mlx5_core_dev *dev);
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void mlx5_sriov_detach(struct mlx5_core_dev *dev);
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int mlx5_core_sriov_configure(struct pci_dev *dev, int num_vfs);
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bool mlx5_sriov_is_enabled(struct mlx5_core_dev *dev);
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int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id);
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int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id);
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int mlx5_wait_for_vf_pages(struct mlx5_core_dev *dev);
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cycle_t mlx5_read_internal_timer(struct mlx5_core_dev *dev);
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u32 mlx5_get_msix_vec(struct mlx5_core_dev *dev, int vecidx);
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struct mlx5_eq *mlx5_eqn2eq(struct mlx5_core_dev *dev, int eqn);
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void mlx5_cq_tasklet_cb(unsigned long data);
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void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev);
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void mlx5_lag_remove(struct mlx5_core_dev *dev);
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void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv);
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void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv);
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void mlx5_attach_device(struct mlx5_core_dev *dev);
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void mlx5_detach_device(struct mlx5_core_dev *dev);
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bool mlx5_device_registered(struct mlx5_core_dev *dev);
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int mlx5_register_device(struct mlx5_core_dev *dev);
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void mlx5_unregister_device(struct mlx5_core_dev *dev);
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void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
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void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
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struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev);
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void mlx5_dev_list_lock(void);
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void mlx5_dev_list_unlock(void);
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int mlx5_dev_list_trylock(void);
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bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv);
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void mlx5e_init(void);
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void mlx5e_cleanup(void);
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static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev)
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{
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/* LACP owner conditions:
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* 1) Function is physical.
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* 2) LAG is supported by FW.
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* 3) LAG is managed by driver (currently the only option).
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*/
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return MLX5_CAP_GEN(dev, vport_group_manager) &&
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(MLX5_CAP_GEN(dev, num_lag_ports) > 1) &&
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MLX5_CAP_GEN(dev, lag_master);
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}
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#endif /* __MLX5_CORE_H__ */
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