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 40 void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); 41 42 struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core); 43 44 void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core, 45 struct mlxsw_linecards *linecard); 46 47 bool 48 mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, 49 const struct mlxsw_fw_rev *req_rev); 50 51 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); 52 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); 53 54 int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core, 55 struct mlxfw_dev *mlxfw_dev, 56 const struct firmware *firmware, 57 struct netlink_ext_ack *extack); 58 59 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, 60 const struct mlxsw_bus *mlxsw_bus, 61 void *bus_priv, bool reload, 62 struct devlink *devlink, 63 struct netlink_ext_ack *extack); 64 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); 65 66 struct mlxsw_tx_info { 67 u16 local_port; 68 bool is_emad; 69 }; 70 71 struct mlxsw_rx_md_info { 72 u32 cookie_index; 73 u32 latency; 74 u32 tx_congestion; 75 union { 76 /* Valid when 'tx_port_valid' is set. */ 77 u16 tx_sys_port; 78 u16 tx_lag_id; 79 }; 80 u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */ 81 u8 tx_tc; 82 u8 latency_valid:1, 83 tx_congestion_valid:1, 84 tx_tc_valid:1, 85 tx_port_valid:1, 86 tx_port_is_lag:1, 87 unused:3; 88 }; 89 90 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, 91 const struct mlxsw_tx_info *tx_info); 92 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 93 const struct mlxsw_tx_info *tx_info); 94 void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core, 95 struct sk_buff *skb, u16 local_port); 96 97 struct mlxsw_rx_listener { 98 void (*func)(struct sk_buff *skb, u16 local_port, void *priv); 99 u16 local_port; 100 u8 mirror_reason; 101 u16 trap_id; 102 }; 103 104 struct mlxsw_event_listener { 105 void (*func)(const struct mlxsw_reg_info *reg, 106 char *payload, void *priv); 107 enum mlxsw_event_trap_id trap_id; 108 }; 109 110 struct mlxsw_listener { 111 u16 trap_id; 112 union { 113 struct mlxsw_rx_listener rx_listener; 114 struct mlxsw_event_listener event_listener; 115 }; 116 enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */ 117 enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */ 118 u8 en_trap_group; /* Trap group when enabled */ 119 u8 dis_trap_group; /* Trap group when disabled */ 120 u8 is_ctrl:1, /* should go via control buffer or not */ 121 is_event:1, 122 enabled_on_register:1; /* Trap should be enabled when listener 123 * is registered. 124 */ 125 }; 126 127 #define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 128 _dis_action, _enabled_on_register, _dis_trap_group, \ 129 _mirror_reason) \ 130 { \ 131 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 132 .rx_listener = \ 133 { \ 134 .func = _func, \ 135 .local_port = MLXSW_PORT_DONT_CARE, \ 136 .mirror_reason = _mirror_reason, \ 137 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 138 }, \ 139 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \ 140 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \ 141 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \ 142 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \ 143 .is_ctrl = _is_ctrl, \ 144 .enabled_on_register = _enabled_on_register, \ 145 } 146 147 #define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 148 _dis_action) \ 149 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 150 _dis_action, true, _trap_group, 0) 151 152 #define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 153 _dis_action, _dis_trap_group) \ 154 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 155 _dis_action, false, _dis_trap_group, 0) 156 157 #define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \ 158 __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \ 159 _trap_group, TRAP_TO_CPU, true, _trap_group, \ 160 _mirror_reason) 161 162 #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ 163 { \ 164 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 165 .event_listener = \ 166 { \ 167 .func = _func, \ 168 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 169 }, \ 170 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ 171 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ 172 .is_event = true, \ 173 .enabled_on_register = true, \ 174 } 175 176 #define MLXSW_CORE_EVENTL(_func, _trap_id) \ 177 MLXSW_EVENTL(_func, _trap_id, CORE_EVENT) 178 179 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, 180 const struct mlxsw_rx_listener *rxl, 181 void *priv, bool enabled); 182 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, 183 const struct mlxsw_rx_listener *rxl); 184 185 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, 186 const struct mlxsw_event_listener *el, 187 void *priv); 188 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, 189 const struct mlxsw_event_listener *el); 190 191 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, 192 const struct mlxsw_listener *listener, 193 void *priv); 194 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, 195 const struct mlxsw_listener *listener, 196 void *priv); 197 int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core, 198 const struct mlxsw_listener *listeners, 199 size_t listeners_count, void *priv); 200 void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core, 201 const struct mlxsw_listener *listeners, 202 size_t listeners_count, void *priv); 203 int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core, 204 const struct mlxsw_listener *listener, 205 bool enabled); 206 207 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, 208 size_t payload_len, unsigned long cb_priv); 209 210 int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, 211 const struct mlxsw_reg_info *reg, char *payload, 212 struct list_head *bulk_list, 213 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 214 int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, 215 const struct mlxsw_reg_info *reg, char *payload, 216 struct list_head *bulk_list, 217 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 218 int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); 219 220 typedef void mlxsw_irq_event_cb_t(struct mlxsw_core *mlxsw_core); 221 222 int mlxsw_core_irq_event_handler_register(struct mlxsw_core *mlxsw_core, 223 mlxsw_irq_event_cb_t cb); 224 void mlxsw_core_irq_event_handler_unregister(struct mlxsw_core *mlxsw_core, 225 mlxsw_irq_event_cb_t cb); 226 void mlxsw_core_irq_event_handlers_call(struct mlxsw_core *mlxsw_core); 227 228 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, 229 const struct mlxsw_reg_info *reg, char *payload); 230 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, 231 const struct mlxsw_reg_info *reg, char *payload); 232 233 struct mlxsw_rx_info { 234 bool is_lag; 235 union { 236 u16 sys_port; 237 u16 lag_id; 238 } u; 239 u16 lag_port_index; 240 u8 mirror_reason; 241 int trap_id; 242 }; 243 244 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 245 struct mlxsw_rx_info *rx_info); 246 247 void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, 248 u16 lag_id, u8 port_index, u16 local_port); 249 u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, 250 u16 lag_id, u8 port_index); 251 void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, 252 u16 lag_id, u16 local_port); 253 254 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port); 255 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port, 256 u8 slot_index, u32 port_number, bool split, 257 u32 split_port_subnumber, 258 bool splittable, u32 lanes, 259 const unsigned char *switch_id, 260 unsigned char switch_id_len); 261 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port); 262 int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, 263 void *port_driver_priv, 264 const unsigned char *switch_id, 265 unsigned char switch_id_len); 266 void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); 267 void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u16 local_port, 268 void *port_driver_priv, struct net_device *dev); 269 void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u16 local_port, 270 void *port_driver_priv); 271 struct devlink_port * 272 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, 273 u16 local_port); 274 struct mlxsw_linecard * 275 mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core, 276 u16 local_port); 277 void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core, 278 bool (*selector)(void *priv, 279 u16 local_port), 280 void *priv); 281 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core); 282 283 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); 284 bool mlxsw_core_schedule_work(struct work_struct *work); 285 void mlxsw_core_flush_owq(void); 286 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, 287 struct mlxsw_res *res); 288 289 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 290 291 struct mlxsw_swid_config { 292 u8 used_type:1, 293 used_properties:1; 294 u8 type; 295 u8 properties; 296 }; 297 298 struct mlxsw_config_profile { 299 u16 used_max_vepa_channels:1, 300 used_max_lag:1, 301 used_max_mid:1, 302 used_max_pgt:1, 303 used_max_system_port:1, 304 used_max_vlan_groups:1, 305 used_max_regions:1, 306 used_flood_tables:1, 307 used_flood_mode:1, 308 used_max_ib_mc:1, 309 used_max_pkey:1, 310 used_ar_sec:1, 311 used_adaptive_routing_group_cap:1, 312 used_ubridge:1, 313 used_kvd_sizes:1, 314 used_cqe_time_stamp_type:1; 315 u8 max_vepa_channels; 316 u16 max_lag; 317 u16 max_mid; 318 u16 max_pgt; 319 u16 max_system_port; 320 u16 max_vlan_groups; 321 u16 max_regions; 322 u8 max_flood_tables; 323 u8 max_vid_flood_tables; 324 u8 flood_mode; 325 u8 max_fid_offset_flood_tables; 326 u16 fid_offset_flood_table_size; 327 u8 max_fid_flood_tables; 328 u16 fid_flood_table_size; 329 u16 max_ib_mc; 330 u16 max_pkey; 331 u8 ar_sec; 332 u16 adaptive_routing_group_cap; 333 u8 arn; 334 u8 ubridge; 335 u32 kvd_linear_size; 336 u8 kvd_hash_single_parts; 337 u8 kvd_hash_double_parts; 338 u8 cqe_time_stamp_type; 339 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; 340 }; 341 342 struct mlxsw_driver { 343 struct list_head list; 344 const char *kind; 345 size_t priv_size; 346 const struct mlxsw_fw_rev *fw_req_rev; 347 const char *fw_filename; 348 int (*init)(struct mlxsw_core *mlxsw_core, 349 const struct mlxsw_bus_info *mlxsw_bus_info, 350 struct netlink_ext_ack *extack); 351 void (*fini)(struct mlxsw_core *mlxsw_core); 352 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port, 353 unsigned int count, struct netlink_ext_ack *extack); 354 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port, 355 struct netlink_ext_ack *extack); 356 void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core, 357 bool (*selector)(void *priv, 358 u16 local_port), 359 void *priv); 360 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, 361 unsigned int sb_index, u16 pool_index, 362 struct devlink_sb_pool_info *pool_info); 363 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, 364 unsigned int sb_index, u16 pool_index, u32 size, 365 enum devlink_sb_threshold_type threshold_type, 366 struct netlink_ext_ack *extack); 367 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 368 unsigned int sb_index, u16 pool_index, 369 u32 *p_threshold); 370 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, 371 unsigned int sb_index, u16 pool_index, 372 u32 threshold, struct netlink_ext_ack *extack); 373 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 374 unsigned int sb_index, u16 tc_index, 375 enum devlink_sb_pool_type pool_type, 376 u16 *p_pool_index, u32 *p_threshold); 377 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, 378 unsigned int sb_index, u16 tc_index, 379 enum devlink_sb_pool_type pool_type, 380 u16 pool_index, u32 threshold, 381 struct netlink_ext_ack *extack); 382 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, 383 unsigned int sb_index); 384 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, 385 unsigned int sb_index); 386 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 387 unsigned int sb_index, u16 pool_index, 388 u32 *p_cur, u32 *p_max); 389 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 390 unsigned int sb_index, u16 tc_index, 391 enum devlink_sb_pool_type pool_type, 392 u32 *p_cur, u32 *p_max); 393 int (*trap_init)(struct mlxsw_core *mlxsw_core, 394 const struct devlink_trap *trap, void *trap_ctx); 395 void (*trap_fini)(struct mlxsw_core *mlxsw_core, 396 const struct devlink_trap *trap, void *trap_ctx); 397 int (*trap_action_set)(struct mlxsw_core *mlxsw_core, 398 const struct devlink_trap *trap, 399 enum devlink_trap_action action, 400 struct netlink_ext_ack *extack); 401 int (*trap_group_init)(struct mlxsw_core *mlxsw_core, 402 const struct devlink_trap_group *group); 403 int (*trap_group_set)(struct mlxsw_core *mlxsw_core, 404 const struct devlink_trap_group *group, 405 const struct devlink_trap_policer *policer, 406 struct netlink_ext_ack *extack); 407 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core, 408 const struct devlink_trap_policer *policer); 409 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core, 410 const struct devlink_trap_policer *policer); 411 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core, 412 const struct devlink_trap_policer *policer, 413 u64 rate, u64 burst, 414 struct netlink_ext_ack *extack); 415 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core, 416 const struct devlink_trap_policer *policer, 417 u64 *p_drops); 418 void (*txhdr_construct)(struct sk_buff *skb, 419 const struct mlxsw_tx_info *tx_info); 420 int (*resources_register)(struct mlxsw_core *mlxsw_core); 421 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, 422 const struct mlxsw_config_profile *profile, 423 u64 *p_single_size, u64 *p_double_size, 424 u64 *p_linear_size); 425 int (*params_register)(struct mlxsw_core *mlxsw_core); 426 void (*params_unregister)(struct mlxsw_core *mlxsw_core); 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 void mlxsw_core_emad_string_tlv_enable(struct mlxsw_core *mlxsw_core); 453 454 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, 455 enum mlxsw_res_id res_id); 456 457 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ 458 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) 459 460 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, 461 enum mlxsw_res_id res_id); 462 463 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ 464 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) 465 466 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) 467 { 468 return devlink_net(priv_to_devlink(mlxsw_core)); 469 } 470 471 #define MLXSW_BUS_F_TXRX BIT(0) 472 #define MLXSW_BUS_F_RESET BIT(1) 473 474 struct mlxsw_bus { 475 const char *kind; 476 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, 477 const struct mlxsw_config_profile *profile, 478 struct mlxsw_res *res); 479 void (*fini)(void *bus_priv); 480 bool (*skb_transmit_busy)(void *bus_priv, 481 const struct mlxsw_tx_info *tx_info); 482 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, 483 const struct mlxsw_tx_info *tx_info); 484 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, 485 u32 in_mod, bool out_mbox_direct, 486 char *in_mbox, size_t in_mbox_size, 487 char *out_mbox, size_t out_mbox_size, 488 u8 *p_status); 489 u32 (*read_frc_h)(void *bus_priv); 490 u32 (*read_frc_l)(void *bus_priv); 491 u32 (*read_utc_sec)(void *bus_priv); 492 u32 (*read_utc_nsec)(void *bus_priv); 493 u8 features; 494 }; 495 496 struct mlxsw_fw_rev { 497 u16 major; 498 u16 minor; 499 u16 subminor; 500 u16 can_reset_minor; 501 }; 502 503 struct mlxsw_bus_info { 504 const char *device_kind; 505 const char *device_name; 506 struct device *dev; 507 struct mlxsw_fw_rev fw_rev; 508 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; 509 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; 510 u8 low_frequency:1, 511 read_clock_capable:1; 512 }; 513 514 struct mlxsw_hwmon; 515 516 #ifdef CONFIG_MLXSW_CORE_HWMON 517 518 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 519 const struct mlxsw_bus_info *mlxsw_bus_info, 520 struct mlxsw_hwmon **p_hwmon); 521 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); 522 523 #else 524 525 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 526 const struct mlxsw_bus_info *mlxsw_bus_info, 527 struct mlxsw_hwmon **p_hwmon) 528 { 529 return 0; 530 } 531 532 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) 533 { 534 } 535 536 #endif 537 538 struct mlxsw_thermal; 539 540 #ifdef CONFIG_MLXSW_CORE_THERMAL 541 542 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 543 const struct mlxsw_bus_info *mlxsw_bus_info, 544 struct mlxsw_thermal **p_thermal); 545 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); 546 547 #else 548 549 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 550 const struct mlxsw_bus_info *mlxsw_bus_info, 551 struct mlxsw_thermal **p_thermal) 552 { 553 return 0; 554 } 555 556 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) 557 { 558 } 559 560 #endif 561 562 enum mlxsw_devlink_param_id { 563 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, 564 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, 565 }; 566 567 struct mlxsw_cqe_ts { 568 u8 sec; 569 u32 nsec; 570 }; 571 572 struct mlxsw_skb_cb { 573 union { 574 struct mlxsw_tx_info tx_info; 575 struct mlxsw_rx_md_info rx_md_info; 576 }; 577 struct mlxsw_cqe_ts cqe_ts; 578 }; 579 580 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) 581 { 582 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); 583 return (struct mlxsw_skb_cb *) skb->cb; 584 } 585 586 struct mlxsw_linecards; 587 588 enum mlxsw_linecard_status_event_type { 589 MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION, 590 MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION, 591 }; 592 593 struct mlxsw_linecard_bdev; 594 595 struct mlxsw_linecard_device_info { 596 u16 fw_major; 597 u16 fw_minor; 598 u16 fw_sub_minor; 599 char psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE]; 600 }; 601 602 struct mlxsw_linecard { 603 u8 slot_index; 604 struct mlxsw_linecards *linecards; 605 struct devlink_linecard *devlink_linecard; 606 struct mutex lock; /* Locks accesses to the linecard structure */ 607 char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN]; 608 char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */ 609 enum mlxsw_linecard_status_event_type status_event_type_to; 610 struct delayed_work status_event_to_dw; 611 u8 provisioned:1, 612 ready:1, 613 active:1; 614 u16 hw_revision; 615 u16 ini_version; 616 struct mlxsw_linecard_bdev *bdev; 617 struct { 618 struct mlxsw_linecard_device_info info; 619 u8 index; 620 } device; 621 }; 622 623 struct mlxsw_linecard_types_info; 624 625 struct mlxsw_linecards { 626 struct mlxsw_core *mlxsw_core; 627 const struct mlxsw_bus_info *bus_info; 628 u8 count; 629 struct mlxsw_linecard_types_info *types_info; 630 struct list_head event_ops_list; 631 struct mutex event_ops_list_lock; /* Locks accesses to event ops list */ 632 struct mlxsw_linecard linecards[]; 633 }; 634 635 static inline struct mlxsw_linecard * 636 mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index) 637 { 638 return &linecards->linecards[slot_index - 1]; 639 } 640 641 int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard, 642 struct devlink_info_req *req, 643 struct netlink_ext_ack *extack); 644 int mlxsw_linecard_flash_update(struct devlink *linecard_devlink, 645 struct mlxsw_linecard *linecard, 646 const struct firmware *firmware, 647 struct netlink_ext_ack *extack); 648 649 int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core, 650 const struct mlxsw_bus_info *bus_info); 651 void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core); 652 653 typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core, 654 u8 slot_index, void *priv); 655 656 struct mlxsw_linecards_event_ops { 657 mlxsw_linecards_event_op_t *got_active; 658 mlxsw_linecards_event_op_t *got_inactive; 659 }; 660 661 int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core, 662 struct mlxsw_linecards_event_ops *ops, 663 void *priv); 664 void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core, 665 struct mlxsw_linecards_event_ops *ops, 666 void *priv); 667 668 int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard); 669 void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard); 670 671 int mlxsw_linecard_driver_register(void); 672 void mlxsw_linecard_driver_unregister(void); 673 674 #endif 675