linux/drivers/net/ethernet/mellanox/mlxsw/core.h

/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */

#ifndef _MLXSW_CORE_H
#define _MLXSW_CORE_H

#include <linux/module.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/gfp.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/net_namespace.h>
#include <linux/auxiliary_bus.h>
#include <net/devlink.h>

#include "trap.h"
#include "reg.h"
#include "cmd.h"
#include "resources.h"
#include "../mlxfw/mlxfw.h"

enum mlxsw_core_resource_id { … };

struct mlxsw_core;
struct mlxsw_core_port;
struct mlxsw_driver;
struct mlxsw_bus;
struct mlxsw_bus_info;
struct mlxsw_fw_rev;

unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core);

int mlxsw_core_max_lag(struct mlxsw_core *mlxsw_core, u16 *p_max_lag);
enum mlxsw_cmd_mbox_config_profile_lag_mode
mlxsw_core_lag_mode(struct mlxsw_core *mlxsw_core);
enum mlxsw_cmd_mbox_config_profile_flood_mode
mlxsw_core_flood_mode(struct mlxsw_core *mlxsw_core);

void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core);

struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core);

void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core,
			      struct mlxsw_linecards *linecard);

bool
mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev,
					  const struct mlxsw_fw_rev *req_rev);

int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);

int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core,
			struct mlxfw_dev *mlxfw_dev,
			const struct firmware *firmware,
			struct netlink_ext_ack *extack);

int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
				   const struct mlxsw_bus *mlxsw_bus,
				   void *bus_priv, bool reload,
				   struct devlink *devlink,
				   struct netlink_ext_ack *extack);
void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload);

struct mlxsw_tx_info { … };

struct mlxsw_rx_md_info { … };

bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core,
				  const struct mlxsw_tx_info *tx_info);
int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
			    const struct mlxsw_tx_info *tx_info);
void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core,
				struct sk_buff *skb, u16 local_port);

struct mlxsw_rx_listener { … };

struct mlxsw_event_listener { … };

struct mlxsw_listener { … };

#define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group,	\
		    _dis_action, _enabled_on_register, _dis_trap_group,		\
		    _mirror_reason) …

#define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group,		\
		  _dis_action) …

#define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group,	\
		      _dis_action, _dis_trap_group) …

#define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) …

#define MLXSW_EVENTL(_func, _trap_id, _trap_group) …

#define MLXSW_CORE_EVENTL(_func, _trap_id) …

int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
				    const struct mlxsw_rx_listener *rxl,
				    void *priv, bool enabled);
void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
				       const struct mlxsw_rx_listener *rxl);

int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
				       const struct mlxsw_event_listener *el,
				       void *priv);
void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
					  const struct mlxsw_event_listener *el);

int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
			     const struct mlxsw_listener *listener,
			     void *priv);
void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
				const struct mlxsw_listener *listener,
				void *priv);
int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core,
			      const struct mlxsw_listener *listeners,
			      size_t listeners_count, void *priv);
void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core,
				 const struct mlxsw_listener *listeners,
				 size_t listeners_count, void *priv);
int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core,
			      const struct mlxsw_listener *listener,
			      bool enabled);

mlxsw_reg_trans_cb_t;

int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core,
			  const struct mlxsw_reg_info *reg, char *payload,
			  struct list_head *bulk_list,
			  mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core,
			  const struct mlxsw_reg_info *reg, char *payload,
			  struct list_head *bulk_list,
			  mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list);

mlxsw_irq_event_cb_t;

int mlxsw_core_irq_event_handler_register(struct mlxsw_core *mlxsw_core,
					  mlxsw_irq_event_cb_t cb);
void mlxsw_core_irq_event_handler_unregister(struct mlxsw_core *mlxsw_core,
					     mlxsw_irq_event_cb_t cb);
void mlxsw_core_irq_event_handlers_call(struct mlxsw_core *mlxsw_core);

int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
		    const struct mlxsw_reg_info *reg, char *payload);
int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
		    const struct mlxsw_reg_info *reg, char *payload);

struct mlxsw_rx_info { … };

void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
			    struct mlxsw_rx_info *rx_info);

void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core,
				u16 lag_id, u8 port_index, u16 local_port);
u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core,
			       u16 lag_id, u8 port_index);
void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core,
				  u16 lag_id, u16 local_port);

void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port);
int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port,
			 u8 slot_index, u32 port_number, bool split,
			 u32 split_port_subnumber,
			 bool splittable, u32 lanes,
			 const unsigned char *switch_id,
			 unsigned char switch_id_len);
void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port);
int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core,
			     void *port_driver_priv,
			     const unsigned char *switch_id,
			     unsigned char switch_id_len);
void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core);
void mlxsw_core_port_netdev_link(struct mlxsw_core *mlxsw_core, u16 local_port,
				 void *port_driver_priv,
				 struct net_device *dev);
struct devlink_port *
mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
				 u16 local_port);
struct mlxsw_linecard *
mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core,
			     u16 local_port);
void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core,
				      bool (*selector)(void *priv,
						       u16 local_port),
				      void *priv);
struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);

int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
bool mlxsw_core_schedule_work(struct work_struct *work);
void mlxsw_core_flush_owq(void);
int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox,
			       struct mlxsw_res *res);

#define MLXSW_CONFIG_PROFILE_SWID_COUNT …

struct mlxsw_swid_config { … };

struct mlxsw_config_profile { … };

struct mlxsw_driver { … };

int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
			     const struct mlxsw_config_profile *profile,
			     u64 *p_single_size, u64 *p_double_size,
			     u64 *p_linear_size);

u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core);
u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core);

u32 mlxsw_core_read_utc_sec(struct mlxsw_core *mlxsw_core);
u32 mlxsw_core_read_utc_nsec(struct mlxsw_core *mlxsw_core);

bool mlxsw_core_sdq_supports_cqe_v2(struct mlxsw_core *mlxsw_core);

bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core,
			  enum mlxsw_res_id res_id);

#define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) …

u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core,
		       enum mlxsw_res_id res_id);

#define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) …

static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core)
{ … }

#define MLXSW_BUS_F_TXRX …
#define MLXSW_BUS_F_RESET …

struct mlxsw_bus { … };

struct mlxsw_fw_rev { … };

struct mlxsw_bus_info { … };

struct mlxsw_hwmon;

#ifdef CONFIG_MLXSW_CORE_HWMON

int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
		     const struct mlxsw_bus_info *mlxsw_bus_info,
		     struct mlxsw_hwmon **p_hwmon);
void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon);

#else

static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
				   const struct mlxsw_bus_info *mlxsw_bus_info,
				   struct mlxsw_hwmon **p_hwmon)
{
	return 0;
}

static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon)
{
}

#endif

struct mlxsw_thermal;

#ifdef CONFIG_MLXSW_CORE_THERMAL

int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
		       const struct mlxsw_bus_info *mlxsw_bus_info,
		       struct mlxsw_thermal **p_thermal);
void mlxsw_thermal_fini(struct mlxsw_thermal *thermal);

#else

static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
				     const struct mlxsw_bus_info *mlxsw_bus_info,
				     struct mlxsw_thermal **p_thermal)
{
	return 0;
}

static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal)
{
}

#endif

enum mlxsw_devlink_param_id { … };

struct mlxsw_cqe_ts { … };

struct mlxsw_skb_cb { … };

static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb)
{ … }

struct mlxsw_linecards;

enum mlxsw_linecard_status_event_type { … };

struct mlxsw_linecard_bdev;

struct mlxsw_linecard_device_info { … };

struct mlxsw_linecard { … };

struct mlxsw_linecard_types_info;

struct mlxsw_linecards { … };

static inline struct mlxsw_linecard *
mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index)
{ … }

int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard,
				    struct devlink_info_req *req,
				    struct netlink_ext_ack *extack);
int mlxsw_linecard_flash_update(struct devlink *linecard_devlink,
				struct mlxsw_linecard *linecard,
				const struct firmware *firmware,
				struct netlink_ext_ack *extack);

int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core,
			 const struct mlxsw_bus_info *bus_info);
void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core);

mlxsw_linecards_event_op_t;

struct mlxsw_linecards_event_ops { … };

int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core,
				       struct mlxsw_linecards_event_ops *ops,
				       void *priv);
void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core,
					  struct mlxsw_linecards_event_ops *ops,
					  void *priv);

int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard);
void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard);

int mlxsw_linecard_driver_register(void);
void mlxsw_linecard_driver_unregister(void);

#endif