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_netdev_link(struct mlxsw_core *mlxsw_core, u16 local_port, 268 void *port_driver_priv, 269 struct net_device *dev); 270 struct devlink_port * 271 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, 272 u16 local_port); 273 struct mlxsw_linecard * 274 mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core, 275 u16 local_port); 276 void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core, 277 bool (*selector)(void *priv, 278 u16 local_port), 279 void *priv); 280 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core); 281 282 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); 283 bool mlxsw_core_schedule_work(struct work_struct *work); 284 void mlxsw_core_flush_owq(void); 285 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, 286 struct mlxsw_res *res); 287 288 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 289 290 struct mlxsw_swid_config { 291 u8 used_type:1, 292 used_properties:1; 293 u8 type; 294 u8 properties; 295 }; 296 297 struct mlxsw_config_profile { 298 u16 used_max_vepa_channels:1, 299 used_max_lag:1, 300 used_max_mid:1, 301 used_max_pgt:1, 302 used_max_system_port:1, 303 used_max_vlan_groups:1, 304 used_max_regions:1, 305 used_flood_tables:1, 306 used_flood_mode:1, 307 used_max_ib_mc:1, 308 used_max_pkey:1, 309 used_ar_sec:1, 310 used_adaptive_routing_group_cap:1, 311 used_ubridge:1, 312 used_kvd_sizes:1, 313 used_cqe_time_stamp_type:1; 314 u8 max_vepa_channels; 315 u16 max_lag; 316 u16 max_mid; 317 u16 max_pgt; 318 u16 max_system_port; 319 u16 max_vlan_groups; 320 u16 max_regions; 321 u8 max_flood_tables; 322 u8 max_vid_flood_tables; 323 u8 flood_mode; 324 u8 max_fid_offset_flood_tables; 325 u16 fid_offset_flood_table_size; 326 u8 max_fid_flood_tables; 327 u16 fid_flood_table_size; 328 u16 max_ib_mc; 329 u16 max_pkey; 330 u8 ar_sec; 331 u16 adaptive_routing_group_cap; 332 u8 arn; 333 u8 ubridge; 334 u32 kvd_linear_size; 335 u8 kvd_hash_single_parts; 336 u8 kvd_hash_double_parts; 337 u8 cqe_time_stamp_type; 338 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; 339 }; 340 341 struct mlxsw_driver { 342 struct list_head list; 343 const char *kind; 344 size_t priv_size; 345 const struct mlxsw_fw_rev *fw_req_rev; 346 const char *fw_filename; 347 int (*init)(struct mlxsw_core *mlxsw_core, 348 const struct mlxsw_bus_info *mlxsw_bus_info, 349 struct netlink_ext_ack *extack); 350 void (*fini)(struct mlxsw_core *mlxsw_core); 351 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port, 352 unsigned int count, struct netlink_ext_ack *extack); 353 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port, 354 struct netlink_ext_ack *extack); 355 void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core, 356 bool (*selector)(void *priv, 357 u16 local_port), 358 void *priv); 359 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, 360 unsigned int sb_index, u16 pool_index, 361 struct devlink_sb_pool_info *pool_info); 362 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, 363 unsigned int sb_index, u16 pool_index, u32 size, 364 enum devlink_sb_threshold_type threshold_type, 365 struct netlink_ext_ack *extack); 366 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 367 unsigned int sb_index, u16 pool_index, 368 u32 *p_threshold); 369 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, 370 unsigned int sb_index, u16 pool_index, 371 u32 threshold, struct netlink_ext_ack *extack); 372 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 373 unsigned int sb_index, u16 tc_index, 374 enum devlink_sb_pool_type pool_type, 375 u16 *p_pool_index, u32 *p_threshold); 376 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, 377 unsigned int sb_index, u16 tc_index, 378 enum devlink_sb_pool_type pool_type, 379 u16 pool_index, u32 threshold, 380 struct netlink_ext_ack *extack); 381 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, 382 unsigned int sb_index); 383 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, 384 unsigned int sb_index); 385 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 386 unsigned int sb_index, u16 pool_index, 387 u32 *p_cur, u32 *p_max); 388 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 389 unsigned int sb_index, u16 tc_index, 390 enum devlink_sb_pool_type pool_type, 391 u32 *p_cur, u32 *p_max); 392 int (*trap_init)(struct mlxsw_core *mlxsw_core, 393 const struct devlink_trap *trap, void *trap_ctx); 394 void (*trap_fini)(struct mlxsw_core *mlxsw_core, 395 const struct devlink_trap *trap, void *trap_ctx); 396 int (*trap_action_set)(struct mlxsw_core *mlxsw_core, 397 const struct devlink_trap *trap, 398 enum devlink_trap_action action, 399 struct netlink_ext_ack *extack); 400 int (*trap_group_init)(struct mlxsw_core *mlxsw_core, 401 const struct devlink_trap_group *group); 402 int (*trap_group_set)(struct mlxsw_core *mlxsw_core, 403 const struct devlink_trap_group *group, 404 const struct devlink_trap_policer *policer, 405 struct netlink_ext_ack *extack); 406 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core, 407 const struct devlink_trap_policer *policer); 408 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core, 409 const struct devlink_trap_policer *policer); 410 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core, 411 const struct devlink_trap_policer *policer, 412 u64 rate, u64 burst, 413 struct netlink_ext_ack *extack); 414 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core, 415 const struct devlink_trap_policer *policer, 416 u64 *p_drops); 417 void (*txhdr_construct)(struct sk_buff *skb, 418 const struct mlxsw_tx_info *tx_info); 419 int (*resources_register)(struct mlxsw_core *mlxsw_core); 420 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, 421 const struct mlxsw_config_profile *profile, 422 u64 *p_single_size, u64 *p_double_size, 423 u64 *p_linear_size); 424 int (*params_register)(struct mlxsw_core *mlxsw_core); 425 void (*params_unregister)(struct mlxsw_core *mlxsw_core); 426 427 /* Notify a driver that a timestamped packet was transmitted. Driver 428 * is responsible for freeing the passed-in SKB. 429 */ 430 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core, 431 struct sk_buff *skb, u16 local_port); 432 433 u8 txhdr_len; 434 const struct mlxsw_config_profile *profile; 435 bool sdq_supports_cqe_v2; 436 }; 437 438 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, 439 const struct mlxsw_config_profile *profile, 440 u64 *p_single_size, u64 *p_double_size, 441 u64 *p_linear_size); 442 443 u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core); 444 u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core); 445 446 u32 mlxsw_core_read_utc_sec(struct mlxsw_core *mlxsw_core); 447 u32 mlxsw_core_read_utc_nsec(struct mlxsw_core *mlxsw_core); 448 449 bool mlxsw_core_sdq_supports_cqe_v2(struct mlxsw_core *mlxsw_core); 450 451 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, 452 enum mlxsw_res_id res_id); 453 454 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ 455 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) 456 457 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, 458 enum mlxsw_res_id res_id); 459 460 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ 461 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) 462 463 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) 464 { 465 return devlink_net(priv_to_devlink(mlxsw_core)); 466 } 467 468 #define MLXSW_BUS_F_TXRX BIT(0) 469 #define MLXSW_BUS_F_RESET BIT(1) 470 471 struct mlxsw_bus { 472 const char *kind; 473 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, 474 const struct mlxsw_config_profile *profile, 475 struct mlxsw_res *res); 476 void (*fini)(void *bus_priv); 477 bool (*skb_transmit_busy)(void *bus_priv, 478 const struct mlxsw_tx_info *tx_info); 479 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, 480 const struct mlxsw_tx_info *tx_info); 481 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, 482 u32 in_mod, bool out_mbox_direct, 483 char *in_mbox, size_t in_mbox_size, 484 char *out_mbox, size_t out_mbox_size, 485 u8 *p_status); 486 u32 (*read_frc_h)(void *bus_priv); 487 u32 (*read_frc_l)(void *bus_priv); 488 u32 (*read_utc_sec)(void *bus_priv); 489 u32 (*read_utc_nsec)(void *bus_priv); 490 u8 features; 491 }; 492 493 struct mlxsw_fw_rev { 494 u16 major; 495 u16 minor; 496 u16 subminor; 497 u16 can_reset_minor; 498 }; 499 500 struct mlxsw_bus_info { 501 const char *device_kind; 502 const char *device_name; 503 struct device *dev; 504 struct mlxsw_fw_rev fw_rev; 505 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; 506 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; 507 u8 low_frequency:1, 508 read_clock_capable:1; 509 }; 510 511 struct mlxsw_hwmon; 512 513 #ifdef CONFIG_MLXSW_CORE_HWMON 514 515 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 516 const struct mlxsw_bus_info *mlxsw_bus_info, 517 struct mlxsw_hwmon **p_hwmon); 518 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); 519 520 #else 521 522 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 523 const struct mlxsw_bus_info *mlxsw_bus_info, 524 struct mlxsw_hwmon **p_hwmon) 525 { 526 return 0; 527 } 528 529 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) 530 { 531 } 532 533 #endif 534 535 struct mlxsw_thermal; 536 537 #ifdef CONFIG_MLXSW_CORE_THERMAL 538 539 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 540 const struct mlxsw_bus_info *mlxsw_bus_info, 541 struct mlxsw_thermal **p_thermal); 542 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); 543 544 #else 545 546 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 547 const struct mlxsw_bus_info *mlxsw_bus_info, 548 struct mlxsw_thermal **p_thermal) 549 { 550 return 0; 551 } 552 553 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) 554 { 555 } 556 557 #endif 558 559 enum mlxsw_devlink_param_id { 560 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, 561 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, 562 }; 563 564 struct mlxsw_cqe_ts { 565 u8 sec; 566 u32 nsec; 567 }; 568 569 struct mlxsw_skb_cb { 570 union { 571 struct mlxsw_tx_info tx_info; 572 struct mlxsw_rx_md_info rx_md_info; 573 }; 574 struct mlxsw_cqe_ts cqe_ts; 575 }; 576 577 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) 578 { 579 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); 580 return (struct mlxsw_skb_cb *) skb->cb; 581 } 582 583 struct mlxsw_linecards; 584 585 enum mlxsw_linecard_status_event_type { 586 MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION, 587 MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION, 588 }; 589 590 struct mlxsw_linecard_bdev; 591 592 struct mlxsw_linecard_device_info { 593 u16 fw_major; 594 u16 fw_minor; 595 u16 fw_sub_minor; 596 char psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE]; 597 }; 598 599 struct mlxsw_linecard { 600 u8 slot_index; 601 struct mlxsw_linecards *linecards; 602 struct devlink_linecard *devlink_linecard; 603 struct mutex lock; /* Locks accesses to the linecard structure */ 604 char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN]; 605 char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */ 606 enum mlxsw_linecard_status_event_type status_event_type_to; 607 struct delayed_work status_event_to_dw; 608 u8 provisioned:1, 609 ready:1, 610 active:1; 611 u16 hw_revision; 612 u16 ini_version; 613 struct mlxsw_linecard_bdev *bdev; 614 struct { 615 struct mlxsw_linecard_device_info info; 616 u8 index; 617 } device; 618 }; 619 620 struct mlxsw_linecard_types_info; 621 622 struct mlxsw_linecards { 623 struct mlxsw_core *mlxsw_core; 624 const struct mlxsw_bus_info *bus_info; 625 u8 count; 626 struct mlxsw_linecard_types_info *types_info; 627 struct list_head event_ops_list; 628 struct mutex event_ops_list_lock; /* Locks accesses to event ops list */ 629 struct mlxsw_linecard linecards[]; 630 }; 631 632 static inline struct mlxsw_linecard * 633 mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index) 634 { 635 return &linecards->linecards[slot_index - 1]; 636 } 637 638 int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard, 639 struct devlink_info_req *req, 640 struct netlink_ext_ack *extack); 641 int mlxsw_linecard_flash_update(struct devlink *linecard_devlink, 642 struct mlxsw_linecard *linecard, 643 const struct firmware *firmware, 644 struct netlink_ext_ack *extack); 645 646 int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core, 647 const struct mlxsw_bus_info *bus_info); 648 void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core); 649 650 typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core, 651 u8 slot_index, void *priv); 652 653 struct mlxsw_linecards_event_ops { 654 mlxsw_linecards_event_op_t *got_active; 655 mlxsw_linecards_event_op_t *got_inactive; 656 }; 657 658 int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core, 659 struct mlxsw_linecards_event_ops *ops, 660 void *priv); 661 void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core, 662 struct mlxsw_linecards_event_ops *ops, 663 void *priv); 664 665 int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard); 666 void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard); 667 668 int mlxsw_linecard_driver_register(void); 669 void mlxsw_linecard_driver_unregister(void); 670 671 #endif 672