/* * drivers/net/ethernet/mellanox/mlxsw/core.h * Copyright (c) 2015 Mellanox Technologies. All rights reserved. * Copyright (c) 2015 Jiri Pirko * Copyright (c) 2015 Ido Schimmel * Copyright (c) 2015 Elad Raz * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _MLXSW_CORE_H #define _MLXSW_CORE_H #include #include #include #include #include #include #include #include #include "trap.h" #include "reg.h" #include "cmd.h" #include "resources.h" struct mlxsw_core; struct mlxsw_core_port; struct mlxsw_driver; struct mlxsw_bus; struct mlxsw_bus_info; unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core); void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); 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); void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); struct mlxsw_tx_info { u8 local_port; bool is_emad; }; 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); struct mlxsw_rx_listener { void (*func)(struct sk_buff *skb, u8 local_port, void *priv); u8 local_port; u16 trap_id; enum mlxsw_reg_hpkt_action action; }; struct mlxsw_event_listener { void (*func)(const struct mlxsw_reg_info *reg, char *payload, void *priv); enum mlxsw_event_trap_id trap_id; }; struct mlxsw_listener { u16 trap_id; union { struct mlxsw_rx_listener rx_listener; struct mlxsw_event_listener event_listener; } u; enum mlxsw_reg_hpkt_action action; enum mlxsw_reg_hpkt_action unreg_action; u8 trap_group; bool is_ctrl; /* should go via control buffer or not */ bool is_event; }; #define MLXSW_RXL(_func, _trap_id, _action, _is_ctrl, _trap_group, \ _unreg_action) \ { \ .trap_id = MLXSW_TRAP_ID_##_trap_id, \ .u.rx_listener = \ { \ .func = _func, \ .local_port = MLXSW_PORT_DONT_CARE, \ .trap_id = MLXSW_TRAP_ID_##_trap_id, \ }, \ .action = MLXSW_REG_HPKT_ACTION_##_action, \ .unreg_action = MLXSW_REG_HPKT_ACTION_##_unreg_action, \ .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ .is_ctrl = _is_ctrl, \ .is_event = false, \ } #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ { \ .trap_id = MLXSW_TRAP_ID_##_trap_id, \ .u.event_listener = \ { \ .func = _func, \ .trap_id = MLXSW_TRAP_ID_##_trap_id, \ }, \ .action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ .is_ctrl = false, \ .is_event = true, \ } int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, const struct mlxsw_rx_listener *rxl, void *priv); void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, const struct mlxsw_rx_listener *rxl, void *priv); 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, void *priv); 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); typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, size_t payload_len, unsigned long cb_priv); 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); 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 { bool is_lag; union { u16 sys_port; u16 lag_id; } u; u8 lag_port_index; int trap_id; }; 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, u8 local_port); u8 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, u8 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, u8 local_port); void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port); void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port, void *port_driver_priv, struct net_device *dev, u32 port_number, bool split, u32 split_port_subnumber); void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u8 local_port, void *port_driver_priv); void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u8 local_port, void *port_driver_priv); enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core, u8 local_port); int mlxsw_core_port_get_phys_port_name(struct mlxsw_core *mlxsw_core, u8 local_port, char *name, size_t len); 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); #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 struct mlxsw_swid_config { u8 used_type:1, used_properties:1; u8 type; u8 properties; }; struct mlxsw_config_profile { u16 used_max_vepa_channels:1, used_max_mid:1, used_max_pgt:1, used_max_system_port:1, used_max_vlan_groups:1, used_max_regions:1, used_flood_tables:1, used_flood_mode:1, used_max_ib_mc:1, used_max_pkey:1, used_ar_sec:1, used_adaptive_routing_group_cap:1, used_kvd_sizes:1; u8 max_vepa_channels; u16 max_mid; u16 max_pgt; u16 max_system_port; u16 max_vlan_groups; u16 max_regions; u8 max_flood_tables; u8 max_vid_flood_tables; u8 flood_mode; u8 max_fid_offset_flood_tables; u16 fid_offset_flood_table_size; u8 max_fid_flood_tables; u16 fid_flood_table_size; u16 max_ib_mc; u16 max_pkey; u8 ar_sec; u16 adaptive_routing_group_cap; u8 arn; u32 kvd_linear_size; u8 kvd_hash_single_parts; u8 kvd_hash_double_parts; struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; }; struct mlxsw_driver { struct list_head list; const char *kind; size_t priv_size; int (*init)(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info); void (*fini)(struct mlxsw_core *mlxsw_core); int (*basic_trap_groups_set)(struct mlxsw_core *mlxsw_core); int (*port_type_set)(struct mlxsw_core *mlxsw_core, u8 local_port, enum devlink_port_type new_type); int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port, unsigned int count); int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u8 local_port); int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, unsigned int sb_index, u16 pool_index, struct devlink_sb_pool_info *pool_info); int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, unsigned int sb_index, u16 pool_index, u32 size, enum devlink_sb_threshold_type threshold_type); int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 pool_index, u32 *p_threshold); int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 pool_index, u32 threshold); int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 tc_index, enum devlink_sb_pool_type pool_type, u16 *p_pool_index, u32 *p_threshold); int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 tc_index, enum devlink_sb_pool_type pool_type, u16 pool_index, u32 threshold); int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, unsigned int sb_index); int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, unsigned int sb_index); int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 pool_index, u32 *p_cur, u32 *p_max); int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 tc_index, enum devlink_sb_pool_type pool_type, u32 *p_cur, u32 *p_max); void (*txhdr_construct)(struct sk_buff *skb, const struct mlxsw_tx_info *tx_info); int (*resources_register)(struct mlxsw_core *mlxsw_core); int (*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); u8 txhdr_len; const struct mlxsw_config_profile *profile; bool res_query_enabled; }; 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); 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) \ mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##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) \ mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) #define MLXSW_BUS_F_TXRX BIT(0) struct mlxsw_bus { const char *kind; int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, const struct mlxsw_config_profile *profile, struct mlxsw_res *res); void (*fini)(void *bus_priv); void (*reset)(void *bus_priv); bool (*skb_transmit_busy)(void *bus_priv, const struct mlxsw_tx_info *tx_info); int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, const struct mlxsw_tx_info *tx_info); int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, u32 in_mod, bool out_mbox_direct, char *in_mbox, size_t in_mbox_size, char *out_mbox, size_t out_mbox_size, u8 *p_status); u8 features; }; struct mlxsw_fw_rev { u16 major; u16 minor; u16 subminor; }; struct mlxsw_bus_info { const char *device_kind; const char *device_name; struct device *dev; struct mlxsw_fw_rev fw_rev; u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; }; 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; } #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 #endif