1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ 3 4 #ifndef _MLXSW_CORE_H 5 #define _MLXSW_CORE_H 6 7 #include <linux/module.h> 8 #include <linux/device.h> 9 #include <linux/slab.h> 10 #include <linux/gfp.h> 11 #include <linux/types.h> 12 #include <linux/skbuff.h> 13 #include <linux/workqueue.h> 14 #include <linux/net_namespace.h> 15 #include <linux/auxiliary_bus.h> 16 #include <net/devlink.h> 17 18 #include "trap.h" 19 #include "reg.h" 20 #include "cmd.h" 21 #include "resources.h" 22 #include "../mlxfw/mlxfw.h" 23 24 enum mlxsw_core_resource_id { 25 MLXSW_CORE_RESOURCE_PORTS = 1, 26 MLXSW_CORE_RESOURCE_MAX, 27 }; 28 29 struct mlxsw_core; 30 struct mlxsw_core_port; 31 struct mlxsw_driver; 32 struct mlxsw_bus; 33 struct mlxsw_bus_info; 34 struct mlxsw_fw_rev; 35 36 unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core); 37 38 int mlxsw_core_max_lag(struct mlxsw_core *mlxsw_core, u16 *p_max_lag); 39 enum mlxsw_cmd_mbox_config_profile_lag_mode 40 mlxsw_core_lag_mode(struct mlxsw_core *mlxsw_core); 41 42 void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); 43 44 struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core); 45 46 void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core, 47 struct mlxsw_linecards *linecard); 48 49 bool 50 mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, 51 const struct mlxsw_fw_rev *req_rev); 52 53 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); 54 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); 55 56 int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core, 57 struct mlxfw_dev *mlxfw_dev, 58 const struct firmware *firmware, 59 struct netlink_ext_ack *extack); 60 61 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, 62 const struct mlxsw_bus *mlxsw_bus, 63 void *bus_priv, bool reload, 64 struct devlink *devlink, 65 struct netlink_ext_ack *extack); 66 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); 67 68 struct mlxsw_tx_info { 69 u16 local_port; 70 bool is_emad; 71 }; 72 73 struct mlxsw_rx_md_info { 74 u32 cookie_index; 75 u32 latency; 76 u32 tx_congestion; 77 union { 78 /* Valid when 'tx_port_valid' is set. */ 79 u16 tx_sys_port; 80 u16 tx_lag_id; 81 }; 82 u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */ 83 u8 tx_tc; 84 u8 latency_valid:1, 85 tx_congestion_valid:1, 86 tx_tc_valid:1, 87 tx_port_valid:1, 88 tx_port_is_lag:1, 89 unused:3; 90 }; 91 92 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, 93 const struct mlxsw_tx_info *tx_info); 94 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 95 const struct mlxsw_tx_info *tx_info); 96 void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core, 97 struct sk_buff *skb, u16 local_port); 98 99 struct mlxsw_rx_listener { 100 void (*func)(struct sk_buff *skb, u16 local_port, void *priv); 101 u16 local_port; 102 u8 mirror_reason; 103 u16 trap_id; 104 }; 105 106 struct mlxsw_event_listener { 107 void (*func)(const struct mlxsw_reg_info *reg, 108 char *payload, void *priv); 109 enum mlxsw_event_trap_id trap_id; 110 }; 111 112 struct mlxsw_listener { 113 u16 trap_id; 114 union { 115 struct mlxsw_rx_listener rx_listener; 116 struct mlxsw_event_listener event_listener; 117 }; 118 enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */ 119 enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */ 120 u8 en_trap_group; /* Trap group when enabled */ 121 u8 dis_trap_group; /* Trap group when disabled */ 122 u8 is_ctrl:1, /* should go via control buffer or not */ 123 is_event:1, 124 enabled_on_register:1; /* Trap should be enabled when listener 125 * is registered. 126 */ 127 }; 128 129 #define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 130 _dis_action, _enabled_on_register, _dis_trap_group, \ 131 _mirror_reason) \ 132 { \ 133 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 134 .rx_listener = \ 135 { \ 136 .func = _func, \ 137 .local_port = MLXSW_PORT_DONT_CARE, \ 138 .mirror_reason = _mirror_reason, \ 139 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 140 }, \ 141 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \ 142 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \ 143 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \ 144 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \ 145 .is_ctrl = _is_ctrl, \ 146 .enabled_on_register = _enabled_on_register, \ 147 } 148 149 #define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 150 _dis_action) \ 151 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 152 _dis_action, true, _trap_group, 0) 153 154 #define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 155 _dis_action, _dis_trap_group) \ 156 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 157 _dis_action, false, _dis_trap_group, 0) 158 159 #define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \ 160 __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \ 161 _trap_group, TRAP_TO_CPU, true, _trap_group, \ 162 _mirror_reason) 163 164 #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ 165 { \ 166 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 167 .event_listener = \ 168 { \ 169 .func = _func, \ 170 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 171 }, \ 172 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ 173 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ 174 .is_event = true, \ 175 .enabled_on_register = true, \ 176 } 177 178 #define MLXSW_CORE_EVENTL(_func, _trap_id) \ 179 MLXSW_EVENTL(_func, _trap_id, CORE_EVENT) 180 181 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, 182 const struct mlxsw_rx_listener *rxl, 183 void *priv, bool enabled); 184 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, 185 const struct mlxsw_rx_listener *rxl); 186 187 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, 188 const struct mlxsw_event_listener *el, 189 void *priv); 190 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, 191 const struct mlxsw_event_listener *el); 192 193 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, 194 const struct mlxsw_listener *listener, 195 void *priv); 196 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, 197 const struct mlxsw_listener *listener, 198 void *priv); 199 int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core, 200 const struct mlxsw_listener *listeners, 201 size_t listeners_count, void *priv); 202 void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core, 203 const struct mlxsw_listener *listeners, 204 size_t listeners_count, void *priv); 205 int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core, 206 const struct mlxsw_listener *listener, 207 bool enabled); 208 209 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, 210 size_t payload_len, unsigned long cb_priv); 211 212 int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, 213 const struct mlxsw_reg_info *reg, char *payload, 214 struct list_head *bulk_list, 215 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 216 int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, 217 const struct mlxsw_reg_info *reg, char *payload, 218 struct list_head *bulk_list, 219 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 220 int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); 221 222 typedef void mlxsw_irq_event_cb_t(struct mlxsw_core *mlxsw_core); 223 224 int mlxsw_core_irq_event_handler_register(struct mlxsw_core *mlxsw_core, 225 mlxsw_irq_event_cb_t cb); 226 void mlxsw_core_irq_event_handler_unregister(struct mlxsw_core *mlxsw_core, 227 mlxsw_irq_event_cb_t cb); 228 void mlxsw_core_irq_event_handlers_call(struct mlxsw_core *mlxsw_core); 229 230 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, 231 const struct mlxsw_reg_info *reg, char *payload); 232 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, 233 const struct mlxsw_reg_info *reg, char *payload); 234 235 struct mlxsw_rx_info { 236 bool is_lag; 237 union { 238 u16 sys_port; 239 u16 lag_id; 240 } u; 241 u16 lag_port_index; 242 u8 mirror_reason; 243 int trap_id; 244 }; 245 246 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 247 struct mlxsw_rx_info *rx_info); 248 249 void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, 250 u16 lag_id, u8 port_index, u16 local_port); 251 u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, 252 u16 lag_id, u8 port_index); 253 void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, 254 u16 lag_id, u16 local_port); 255 256 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port); 257 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port, 258 u8 slot_index, u32 port_number, bool split, 259 u32 split_port_subnumber, 260 bool splittable, u32 lanes, 261 const unsigned char *switch_id, 262 unsigned char switch_id_len); 263 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port); 264 int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, 265 void *port_driver_priv, 266 const unsigned char *switch_id, 267 unsigned char switch_id_len); 268 void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); 269 void mlxsw_core_port_netdev_link(struct mlxsw_core *mlxsw_core, u16 local_port, 270 void *port_driver_priv, 271 struct net_device *dev); 272 struct devlink_port * 273 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, 274 u16 local_port); 275 struct mlxsw_linecard * 276 mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core, 277 u16 local_port); 278 void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core, 279 bool (*selector)(void *priv, 280 u16 local_port), 281 void *priv); 282 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core); 283 284 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); 285 bool mlxsw_core_schedule_work(struct work_struct *work); 286 void mlxsw_core_flush_owq(void); 287 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, 288 struct mlxsw_res *res); 289 290 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 291 292 struct mlxsw_swid_config { 293 u8 used_type:1, 294 used_properties:1; 295 u8 type; 296 u8 properties; 297 }; 298 299 struct mlxsw_config_profile { 300 u16 used_max_vepa_channels:1, 301 used_max_lag:1, 302 used_max_mid:1, 303 used_max_pgt:1, 304 used_max_system_port:1, 305 used_max_vlan_groups:1, 306 used_max_regions:1, 307 used_flood_tables:1, 308 used_flood_mode:1, 309 used_max_ib_mc:1, 310 used_max_pkey:1, 311 used_ar_sec:1, 312 used_adaptive_routing_group_cap:1, 313 used_ubridge:1, 314 used_kvd_sizes:1, 315 used_cqe_time_stamp_type:1; 316 u8 max_vepa_channels; 317 u16 max_lag; 318 u16 max_mid; 319 u16 max_pgt; 320 u16 max_system_port; 321 u16 max_vlan_groups; 322 u16 max_regions; 323 u8 max_flood_tables; 324 u8 max_vid_flood_tables; 325 u8 flood_mode; 326 u8 max_fid_offset_flood_tables; 327 u16 fid_offset_flood_table_size; 328 u8 max_fid_flood_tables; 329 u16 fid_flood_table_size; 330 u16 max_ib_mc; 331 u16 max_pkey; 332 u8 ar_sec; 333 u16 adaptive_routing_group_cap; 334 u8 arn; 335 u8 ubridge; 336 u32 kvd_linear_size; 337 u8 kvd_hash_single_parts; 338 u8 kvd_hash_double_parts; 339 u8 cqe_time_stamp_type; 340 bool lag_mode_prefer_sw; 341 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; 342 }; 343 344 struct mlxsw_driver { 345 struct list_head list; 346 const char *kind; 347 size_t priv_size; 348 const struct mlxsw_fw_rev *fw_req_rev; 349 const char *fw_filename; 350 int (*init)(struct mlxsw_core *mlxsw_core, 351 const struct mlxsw_bus_info *mlxsw_bus_info, 352 struct netlink_ext_ack *extack); 353 void (*fini)(struct mlxsw_core *mlxsw_core); 354 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port, 355 unsigned int count, struct netlink_ext_ack *extack); 356 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port, 357 struct netlink_ext_ack *extack); 358 void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core, 359 bool (*selector)(void *priv, 360 u16 local_port), 361 void *priv); 362 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, 363 unsigned int sb_index, u16 pool_index, 364 struct devlink_sb_pool_info *pool_info); 365 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, 366 unsigned int sb_index, u16 pool_index, u32 size, 367 enum devlink_sb_threshold_type threshold_type, 368 struct netlink_ext_ack *extack); 369 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 370 unsigned int sb_index, u16 pool_index, 371 u32 *p_threshold); 372 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, 373 unsigned int sb_index, u16 pool_index, 374 u32 threshold, struct netlink_ext_ack *extack); 375 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 376 unsigned int sb_index, u16 tc_index, 377 enum devlink_sb_pool_type pool_type, 378 u16 *p_pool_index, u32 *p_threshold); 379 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, 380 unsigned int sb_index, u16 tc_index, 381 enum devlink_sb_pool_type pool_type, 382 u16 pool_index, u32 threshold, 383 struct netlink_ext_ack *extack); 384 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, 385 unsigned int sb_index); 386 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, 387 unsigned int sb_index); 388 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 389 unsigned int sb_index, u16 pool_index, 390 u32 *p_cur, u32 *p_max); 391 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 392 unsigned int sb_index, u16 tc_index, 393 enum devlink_sb_pool_type pool_type, 394 u32 *p_cur, u32 *p_max); 395 int (*trap_init)(struct mlxsw_core *mlxsw_core, 396 const struct devlink_trap *trap, void *trap_ctx); 397 void (*trap_fini)(struct mlxsw_core *mlxsw_core, 398 const struct devlink_trap *trap, void *trap_ctx); 399 int (*trap_action_set)(struct mlxsw_core *mlxsw_core, 400 const struct devlink_trap *trap, 401 enum devlink_trap_action action, 402 struct netlink_ext_ack *extack); 403 int (*trap_group_init)(struct mlxsw_core *mlxsw_core, 404 const struct devlink_trap_group *group); 405 int (*trap_group_set)(struct mlxsw_core *mlxsw_core, 406 const struct devlink_trap_group *group, 407 const struct devlink_trap_policer *policer, 408 struct netlink_ext_ack *extack); 409 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core, 410 const struct devlink_trap_policer *policer); 411 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core, 412 const struct devlink_trap_policer *policer); 413 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core, 414 const struct devlink_trap_policer *policer, 415 u64 rate, u64 burst, 416 struct netlink_ext_ack *extack); 417 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core, 418 const struct devlink_trap_policer *policer, 419 u64 *p_drops); 420 void (*txhdr_construct)(struct sk_buff *skb, 421 const struct mlxsw_tx_info *tx_info); 422 int (*resources_register)(struct mlxsw_core *mlxsw_core); 423 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, 424 const struct mlxsw_config_profile *profile, 425 u64 *p_single_size, u64 *p_double_size, 426 u64 *p_linear_size); 427 428 /* Notify a driver that a timestamped packet was transmitted. Driver 429 * is responsible for freeing the passed-in SKB. 430 */ 431 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core, 432 struct sk_buff *skb, u16 local_port); 433 434 u8 txhdr_len; 435 const struct mlxsw_config_profile *profile; 436 bool sdq_supports_cqe_v2; 437 }; 438 439 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, 440 const struct mlxsw_config_profile *profile, 441 u64 *p_single_size, u64 *p_double_size, 442 u64 *p_linear_size); 443 444 u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core); 445 u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core); 446 447 u32 mlxsw_core_read_utc_sec(struct mlxsw_core *mlxsw_core); 448 u32 mlxsw_core_read_utc_nsec(struct mlxsw_core *mlxsw_core); 449 450 bool mlxsw_core_sdq_supports_cqe_v2(struct mlxsw_core *mlxsw_core); 451 452 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, 453 enum mlxsw_res_id res_id); 454 455 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ 456 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) 457 458 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, 459 enum mlxsw_res_id res_id); 460 461 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ 462 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) 463 464 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) 465 { 466 return devlink_net(priv_to_devlink(mlxsw_core)); 467 } 468 469 #define MLXSW_BUS_F_TXRX BIT(0) 470 #define MLXSW_BUS_F_RESET BIT(1) 471 472 struct mlxsw_bus { 473 const char *kind; 474 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, 475 const struct mlxsw_config_profile *profile, 476 struct mlxsw_res *res); 477 void (*fini)(void *bus_priv); 478 bool (*skb_transmit_busy)(void *bus_priv, 479 const struct mlxsw_tx_info *tx_info); 480 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, 481 const struct mlxsw_tx_info *tx_info); 482 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, 483 u32 in_mod, bool out_mbox_direct, 484 char *in_mbox, size_t in_mbox_size, 485 char *out_mbox, size_t out_mbox_size, 486 u8 *p_status); 487 u32 (*read_frc_h)(void *bus_priv); 488 u32 (*read_frc_l)(void *bus_priv); 489 u32 (*read_utc_sec)(void *bus_priv); 490 u32 (*read_utc_nsec)(void *bus_priv); 491 enum mlxsw_cmd_mbox_config_profile_lag_mode (*lag_mode)(void *bus_priv); 492 u8 features; 493 }; 494 495 struct mlxsw_fw_rev { 496 u16 major; 497 u16 minor; 498 u16 subminor; 499 u16 can_reset_minor; 500 }; 501 502 struct mlxsw_bus_info { 503 const char *device_kind; 504 const char *device_name; 505 struct device *dev; 506 struct mlxsw_fw_rev fw_rev; 507 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; 508 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; 509 u8 low_frequency:1, 510 read_clock_capable:1; 511 }; 512 513 struct mlxsw_hwmon; 514 515 #ifdef CONFIG_MLXSW_CORE_HWMON 516 517 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 518 const struct mlxsw_bus_info *mlxsw_bus_info, 519 struct mlxsw_hwmon **p_hwmon); 520 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); 521 522 #else 523 524 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 525 const struct mlxsw_bus_info *mlxsw_bus_info, 526 struct mlxsw_hwmon **p_hwmon) 527 { 528 return 0; 529 } 530 531 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) 532 { 533 } 534 535 #endif 536 537 struct mlxsw_thermal; 538 539 #ifdef CONFIG_MLXSW_CORE_THERMAL 540 541 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 542 const struct mlxsw_bus_info *mlxsw_bus_info, 543 struct mlxsw_thermal **p_thermal); 544 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); 545 546 #else 547 548 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 549 const struct mlxsw_bus_info *mlxsw_bus_info, 550 struct mlxsw_thermal **p_thermal) 551 { 552 return 0; 553 } 554 555 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) 556 { 557 } 558 559 #endif 560 561 enum mlxsw_devlink_param_id { 562 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, 563 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, 564 }; 565 566 struct mlxsw_cqe_ts { 567 u8 sec; 568 u32 nsec; 569 }; 570 571 struct mlxsw_skb_cb { 572 union { 573 struct mlxsw_tx_info tx_info; 574 struct mlxsw_rx_md_info rx_md_info; 575 }; 576 struct mlxsw_cqe_ts cqe_ts; 577 }; 578 579 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) 580 { 581 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); 582 return (struct mlxsw_skb_cb *) skb->cb; 583 } 584 585 struct mlxsw_linecards; 586 587 enum mlxsw_linecard_status_event_type { 588 MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION, 589 MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION, 590 }; 591 592 struct mlxsw_linecard_bdev; 593 594 struct mlxsw_linecard_device_info { 595 u16 fw_major; 596 u16 fw_minor; 597 u16 fw_sub_minor; 598 char psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE]; 599 }; 600 601 struct mlxsw_linecard { 602 u8 slot_index; 603 struct mlxsw_linecards *linecards; 604 struct devlink_linecard *devlink_linecard; 605 struct mutex lock; /* Locks accesses to the linecard structure */ 606 char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN]; 607 char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */ 608 enum mlxsw_linecard_status_event_type status_event_type_to; 609 struct delayed_work status_event_to_dw; 610 u8 provisioned:1, 611 ready:1, 612 active:1; 613 u16 hw_revision; 614 u16 ini_version; 615 struct mlxsw_linecard_bdev *bdev; 616 struct { 617 struct mlxsw_linecard_device_info info; 618 u8 index; 619 } device; 620 }; 621 622 struct mlxsw_linecard_types_info; 623 624 struct mlxsw_linecards { 625 struct mlxsw_core *mlxsw_core; 626 const struct mlxsw_bus_info *bus_info; 627 u8 count; 628 struct mlxsw_linecard_types_info *types_info; 629 struct list_head event_ops_list; 630 struct mutex event_ops_list_lock; /* Locks accesses to event ops list */ 631 struct mlxsw_linecard linecards[] __counted_by(count); 632 }; 633 634 static inline struct mlxsw_linecard * 635 mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index) 636 { 637 return &linecards->linecards[slot_index - 1]; 638 } 639 640 int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard, 641 struct devlink_info_req *req, 642 struct netlink_ext_ack *extack); 643 int mlxsw_linecard_flash_update(struct devlink *linecard_devlink, 644 struct mlxsw_linecard *linecard, 645 const struct firmware *firmware, 646 struct netlink_ext_ack *extack); 647 648 int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core, 649 const struct mlxsw_bus_info *bus_info); 650 void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core); 651 652 typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core, 653 u8 slot_index, void *priv); 654 655 struct mlxsw_linecards_event_ops { 656 mlxsw_linecards_event_op_t *got_active; 657 mlxsw_linecards_event_op_t *got_inactive; 658 }; 659 660 int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core, 661 struct mlxsw_linecards_event_ops *ops, 662 void *priv); 663 void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core, 664 struct mlxsw_linecards_event_ops *ops, 665 void *priv); 666 667 int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard); 668 void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard); 669 670 int mlxsw_linecard_driver_register(void); 671 void mlxsw_linecard_driver_unregister(void); 672 673 #endif 674