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 enum mlxsw_cmd_mbox_config_profile_flood_mode 42 mlxsw_core_flood_mode(struct mlxsw_core *mlxsw_core); 43 44 void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); 45 46 struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core); 47 48 void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core, 49 struct mlxsw_linecards *linecard); 50 51 bool 52 mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, 53 const struct mlxsw_fw_rev *req_rev); 54 55 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); 56 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); 57 58 int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core, 59 struct mlxfw_dev *mlxfw_dev, 60 const struct firmware *firmware, 61 struct netlink_ext_ack *extack); 62 63 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, 64 const struct mlxsw_bus *mlxsw_bus, 65 void *bus_priv, bool reload, 66 struct devlink *devlink, 67 struct netlink_ext_ack *extack); 68 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); 69 70 struct mlxsw_tx_info { 71 u16 local_port; 72 bool is_emad; 73 }; 74 75 struct mlxsw_txhdr_info { 76 struct mlxsw_tx_info tx_info; 77 bool data; 78 u16 max_fid; /* Used for PTP packets which are sent as data. */ 79 }; 80 81 struct mlxsw_rx_md_info { 82 struct napi_struct *napi; 83 u32 cookie_index; 84 u32 latency; 85 u32 tx_congestion; 86 union { 87 /* Valid when 'tx_port_valid' is set. */ 88 u16 tx_sys_port; 89 u16 tx_lag_id; 90 }; 91 u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */ 92 u8 tx_tc; 93 u8 latency_valid:1, 94 tx_congestion_valid:1, 95 tx_tc_valid:1, 96 tx_port_valid:1, 97 tx_port_is_lag:1, 98 unused:3; 99 }; 100 101 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, 102 const struct mlxsw_tx_info *tx_info); 103 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 104 const struct mlxsw_txhdr_info *txhdr_info); 105 void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core, 106 struct sk_buff *skb, u16 local_port); 107 108 struct mlxsw_rx_listener { 109 void (*func)(struct sk_buff *skb, u16 local_port, void *priv); 110 u16 local_port; 111 u8 mirror_reason; 112 u16 trap_id; 113 }; 114 115 struct mlxsw_event_listener { 116 void (*func)(const struct mlxsw_reg_info *reg, 117 char *payload, void *priv); 118 enum mlxsw_event_trap_id trap_id; 119 }; 120 121 struct mlxsw_listener { 122 u16 trap_id; 123 union { 124 struct mlxsw_rx_listener rx_listener; 125 struct mlxsw_event_listener event_listener; 126 }; 127 enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */ 128 enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */ 129 u8 en_trap_group; /* Trap group when enabled */ 130 u8 dis_trap_group; /* Trap group when disabled */ 131 u8 is_ctrl:1, /* should go via control buffer or not */ 132 is_event:1, 133 enabled_on_register:1; /* Trap should be enabled when listener 134 * is registered. 135 */ 136 }; 137 138 #define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 139 _dis_action, _enabled_on_register, _dis_trap_group, \ 140 _mirror_reason) \ 141 { \ 142 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 143 .rx_listener = \ 144 { \ 145 .func = _func, \ 146 .local_port = MLXSW_PORT_DONT_CARE, \ 147 .mirror_reason = _mirror_reason, \ 148 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 149 }, \ 150 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \ 151 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \ 152 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \ 153 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \ 154 .is_ctrl = _is_ctrl, \ 155 .enabled_on_register = _enabled_on_register, \ 156 } 157 158 #define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 159 _dis_action) \ 160 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 161 _dis_action, true, _trap_group, 0) 162 163 #define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 164 _dis_action, _dis_trap_group) \ 165 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 166 _dis_action, false, _dis_trap_group, 0) 167 168 #define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \ 169 __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \ 170 _trap_group, TRAP_TO_CPU, true, _trap_group, \ 171 _mirror_reason) 172 173 #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ 174 { \ 175 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 176 .event_listener = \ 177 { \ 178 .func = _func, \ 179 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 180 }, \ 181 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ 182 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ 183 .is_event = true, \ 184 .enabled_on_register = true, \ 185 } 186 187 #define MLXSW_CORE_EVENTL(_func, _trap_id) \ 188 MLXSW_EVENTL(_func, _trap_id, CORE_EVENT) 189 190 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, 191 const struct mlxsw_rx_listener *rxl, 192 void *priv, bool enabled); 193 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, 194 const struct mlxsw_rx_listener *rxl); 195 196 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, 197 const struct mlxsw_event_listener *el, 198 void *priv); 199 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, 200 const struct mlxsw_event_listener *el); 201 202 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, 203 const struct mlxsw_listener *listener, 204 void *priv); 205 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, 206 const struct mlxsw_listener *listener, 207 void *priv); 208 int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core, 209 const struct mlxsw_listener *listeners, 210 size_t listeners_count, void *priv); 211 void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core, 212 const struct mlxsw_listener *listeners, 213 size_t listeners_count, void *priv); 214 int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core, 215 const struct mlxsw_listener *listener, 216 bool enabled); 217 218 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, 219 size_t payload_len, unsigned long cb_priv); 220 221 int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, 222 const struct mlxsw_reg_info *reg, char *payload, 223 struct list_head *bulk_list, 224 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 225 int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, 226 const struct mlxsw_reg_info *reg, char *payload, 227 struct list_head *bulk_list, 228 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 229 int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); 230 231 typedef void mlxsw_irq_event_cb_t(struct mlxsw_core *mlxsw_core); 232 233 int mlxsw_core_irq_event_handler_register(struct mlxsw_core *mlxsw_core, 234 mlxsw_irq_event_cb_t cb); 235 void mlxsw_core_irq_event_handler_unregister(struct mlxsw_core *mlxsw_core, 236 mlxsw_irq_event_cb_t cb); 237 void mlxsw_core_irq_event_handlers_call(struct mlxsw_core *mlxsw_core); 238 239 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, 240 const struct mlxsw_reg_info *reg, char *payload); 241 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, 242 const struct mlxsw_reg_info *reg, char *payload); 243 244 struct mlxsw_rx_info { 245 bool is_lag; 246 union { 247 u16 sys_port; 248 u16 lag_id; 249 } u; 250 u16 lag_port_index; 251 u8 mirror_reason; 252 int trap_id; 253 }; 254 255 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 256 struct mlxsw_rx_info *rx_info); 257 258 void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, 259 u16 lag_id, u8 port_index, u16 local_port); 260 u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, 261 u16 lag_id, u8 port_index); 262 void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, 263 u16 lag_id, u16 local_port); 264 265 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port); 266 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port, 267 u8 slot_index, u32 port_number, bool split, 268 u32 split_port_subnumber, 269 bool splittable, u32 lanes, 270 const unsigned char *switch_id, 271 unsigned char switch_id_len); 272 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port); 273 int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, 274 void *port_driver_priv, 275 const unsigned char *switch_id, 276 unsigned char switch_id_len); 277 void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); 278 void mlxsw_core_port_netdev_link(struct mlxsw_core *mlxsw_core, u16 local_port, 279 void *port_driver_priv, 280 struct net_device *dev); 281 struct devlink_port * 282 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, 283 u16 local_port); 284 struct mlxsw_linecard * 285 mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core, 286 u16 local_port); 287 void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core, 288 bool (*selector)(void *priv, 289 u16 local_port), 290 void *priv); 291 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core); 292 293 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); 294 bool mlxsw_core_schedule_work(struct work_struct *work); 295 void mlxsw_core_flush_owq(void); 296 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, 297 struct mlxsw_res *res); 298 299 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 300 301 struct mlxsw_swid_config { 302 u8 used_type:1, 303 used_properties:1; 304 u8 type; 305 u8 properties; 306 }; 307 308 struct mlxsw_config_profile { 309 u16 used_max_vepa_channels:1, 310 used_max_lag:1, 311 used_max_mid:1, 312 used_max_pgt:1, 313 used_max_system_port:1, 314 used_max_vlan_groups:1, 315 used_max_regions:1, 316 used_flood_tables:1, 317 used_flood_mode:1, 318 used_max_ib_mc:1, 319 used_max_pkey:1, 320 used_ar_sec:1, 321 used_adaptive_routing_group_cap:1, 322 used_ubridge:1, 323 used_kvd_sizes:1, 324 used_cqe_time_stamp_type:1; 325 u8 max_vepa_channels; 326 u16 max_lag; 327 u16 max_mid; 328 u16 max_pgt; 329 u16 max_system_port; 330 u16 max_vlan_groups; 331 u16 max_regions; 332 u8 max_flood_tables; 333 u8 max_vid_flood_tables; 334 335 /* Flood mode to use if used_flood_mode. If flood_mode_prefer_cff, 336 * the backup flood mode (if any) when CFF unsupported. 337 */ 338 u8 flood_mode; 339 340 u8 max_fid_offset_flood_tables; 341 u16 fid_offset_flood_table_size; 342 u8 max_fid_flood_tables; 343 u16 fid_flood_table_size; 344 u16 max_ib_mc; 345 u16 max_pkey; 346 u8 ar_sec; 347 u16 adaptive_routing_group_cap; 348 u8 arn; 349 u8 ubridge; 350 u32 kvd_linear_size; 351 u8 kvd_hash_single_parts; 352 u8 kvd_hash_double_parts; 353 u8 cqe_time_stamp_type; 354 bool lag_mode_prefer_sw; 355 bool flood_mode_prefer_cff; 356 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; 357 }; 358 359 struct mlxsw_driver { 360 struct list_head list; 361 const char *kind; 362 size_t priv_size; 363 const struct mlxsw_fw_rev *fw_req_rev; 364 const char *fw_filename; 365 int (*init)(struct mlxsw_core *mlxsw_core, 366 const struct mlxsw_bus_info *mlxsw_bus_info, 367 struct netlink_ext_ack *extack); 368 void (*fini)(struct mlxsw_core *mlxsw_core); 369 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port, 370 unsigned int count, struct netlink_ext_ack *extack); 371 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port, 372 struct netlink_ext_ack *extack); 373 void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core, 374 bool (*selector)(void *priv, 375 u16 local_port), 376 void *priv); 377 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, 378 unsigned int sb_index, u16 pool_index, 379 struct devlink_sb_pool_info *pool_info); 380 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, 381 unsigned int sb_index, u16 pool_index, u32 size, 382 enum devlink_sb_threshold_type threshold_type, 383 struct netlink_ext_ack *extack); 384 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 385 unsigned int sb_index, u16 pool_index, 386 u32 *p_threshold); 387 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, 388 unsigned int sb_index, u16 pool_index, 389 u32 threshold, struct netlink_ext_ack *extack); 390 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 391 unsigned int sb_index, u16 tc_index, 392 enum devlink_sb_pool_type pool_type, 393 u16 *p_pool_index, u32 *p_threshold); 394 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, 395 unsigned int sb_index, u16 tc_index, 396 enum devlink_sb_pool_type pool_type, 397 u16 pool_index, u32 threshold, 398 struct netlink_ext_ack *extack); 399 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, 400 unsigned int sb_index); 401 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, 402 unsigned int sb_index); 403 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 404 unsigned int sb_index, u16 pool_index, 405 u32 *p_cur, u32 *p_max); 406 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 407 unsigned int sb_index, u16 tc_index, 408 enum devlink_sb_pool_type pool_type, 409 u32 *p_cur, u32 *p_max); 410 int (*trap_init)(struct mlxsw_core *mlxsw_core, 411 const struct devlink_trap *trap, void *trap_ctx); 412 void (*trap_fini)(struct mlxsw_core *mlxsw_core, 413 const struct devlink_trap *trap, void *trap_ctx); 414 int (*trap_action_set)(struct mlxsw_core *mlxsw_core, 415 const struct devlink_trap *trap, 416 enum devlink_trap_action action, 417 struct netlink_ext_ack *extack); 418 int (*trap_group_init)(struct mlxsw_core *mlxsw_core, 419 const struct devlink_trap_group *group); 420 int (*trap_group_set)(struct mlxsw_core *mlxsw_core, 421 const struct devlink_trap_group *group, 422 const struct devlink_trap_policer *policer, 423 struct netlink_ext_ack *extack); 424 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core, 425 const struct devlink_trap_policer *policer); 426 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core, 427 const struct devlink_trap_policer *policer); 428 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core, 429 const struct devlink_trap_policer *policer, 430 u64 rate, u64 burst, 431 struct netlink_ext_ack *extack); 432 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core, 433 const struct devlink_trap_policer *policer, 434 u64 *p_drops); 435 int (*resources_register)(struct mlxsw_core *mlxsw_core); 436 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, 437 const struct mlxsw_config_profile *profile, 438 u64 *p_single_size, u64 *p_double_size, 439 u64 *p_linear_size); 440 441 /* Notify a driver that a timestamped packet was transmitted. Driver 442 * is responsible for freeing the passed-in SKB. 443 */ 444 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core, 445 struct sk_buff *skb, u16 local_port); 446 447 const struct mlxsw_config_profile *profile; 448 bool sdq_supports_cqe_v2; 449 }; 450 451 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, 452 const struct mlxsw_config_profile *profile, 453 u64 *p_single_size, u64 *p_double_size, 454 u64 *p_linear_size); 455 456 u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core); 457 u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core); 458 459 u32 mlxsw_core_read_utc_sec(struct mlxsw_core *mlxsw_core); 460 u32 mlxsw_core_read_utc_nsec(struct mlxsw_core *mlxsw_core); 461 462 bool mlxsw_core_sdq_supports_cqe_v2(struct mlxsw_core *mlxsw_core); 463 464 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, 465 enum mlxsw_res_id res_id); 466 467 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ 468 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) 469 470 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, 471 enum mlxsw_res_id res_id); 472 473 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ 474 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) 475 476 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) 477 { 478 return devlink_net(priv_to_devlink(mlxsw_core)); 479 } 480 481 #define MLXSW_BUS_F_TXRX BIT(0) 482 #define MLXSW_BUS_F_RESET BIT(1) 483 484 struct mlxsw_bus { 485 const char *kind; 486 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, 487 const struct mlxsw_config_profile *profile, 488 struct mlxsw_res *res); 489 void (*fini)(void *bus_priv); 490 bool (*skb_transmit_busy)(void *bus_priv, 491 const struct mlxsw_tx_info *tx_info); 492 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, 493 const struct mlxsw_txhdr_info *txhdr_info); 494 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, 495 u32 in_mod, bool out_mbox_direct, 496 char *in_mbox, size_t in_mbox_size, 497 char *out_mbox, size_t out_mbox_size, 498 u8 *p_status); 499 u32 (*read_frc_h)(void *bus_priv); 500 u32 (*read_frc_l)(void *bus_priv); 501 u32 (*read_utc_sec)(void *bus_priv); 502 u32 (*read_utc_nsec)(void *bus_priv); 503 enum mlxsw_cmd_mbox_config_profile_lag_mode (*lag_mode)(void *bus_priv); 504 enum mlxsw_cmd_mbox_config_profile_flood_mode (*flood_mode)(void *priv); 505 u8 features; 506 }; 507 508 struct mlxsw_fw_rev { 509 u16 major; 510 u16 minor; 511 u16 subminor; 512 u16 can_reset_minor; 513 }; 514 515 struct mlxsw_bus_info { 516 const char *device_kind; 517 const char *device_name; 518 struct device *dev; 519 struct mlxsw_fw_rev fw_rev; 520 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; 521 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; 522 u8 low_frequency:1, 523 read_clock_capable:1; 524 }; 525 526 struct mlxsw_hwmon; 527 528 #ifdef CONFIG_MLXSW_CORE_HWMON 529 530 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 531 const struct mlxsw_bus_info *mlxsw_bus_info, 532 struct mlxsw_hwmon **p_hwmon); 533 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); 534 535 #else 536 537 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 538 const struct mlxsw_bus_info *mlxsw_bus_info, 539 struct mlxsw_hwmon **p_hwmon) 540 { 541 return 0; 542 } 543 544 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) 545 { 546 } 547 548 #endif 549 550 struct mlxsw_thermal; 551 552 #ifdef CONFIG_MLXSW_CORE_THERMAL 553 554 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 555 const struct mlxsw_bus_info *mlxsw_bus_info, 556 struct mlxsw_thermal **p_thermal); 557 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); 558 559 #else 560 561 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 562 const struct mlxsw_bus_info *mlxsw_bus_info, 563 struct mlxsw_thermal **p_thermal) 564 { 565 return 0; 566 } 567 568 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) 569 { 570 } 571 572 #endif 573 574 enum mlxsw_devlink_param_id { 575 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, 576 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, 577 }; 578 579 struct mlxsw_cqe_ts { 580 u8 sec; 581 u32 nsec; 582 }; 583 584 struct mlxsw_skb_cb { 585 union { 586 struct mlxsw_tx_info tx_info; 587 struct mlxsw_rx_md_info rx_md_info; 588 }; 589 struct mlxsw_cqe_ts cqe_ts; 590 }; 591 592 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) 593 { 594 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); 595 return (struct mlxsw_skb_cb *) skb->cb; 596 } 597 598 struct mlxsw_linecards; 599 600 enum mlxsw_linecard_status_event_type { 601 MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION, 602 MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION, 603 }; 604 605 struct mlxsw_linecard_bdev; 606 607 struct mlxsw_linecard_device_info { 608 u16 fw_major; 609 u16 fw_minor; 610 u16 fw_sub_minor; 611 char psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE]; 612 }; 613 614 struct mlxsw_linecard { 615 u8 slot_index; 616 struct mlxsw_linecards *linecards; 617 struct devlink_linecard *devlink_linecard; 618 struct mutex lock; /* Locks accesses to the linecard structure */ 619 char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN]; 620 char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */ 621 enum mlxsw_linecard_status_event_type status_event_type_to; 622 struct delayed_work status_event_to_dw; 623 u8 provisioned:1, 624 ready:1, 625 active:1; 626 u16 hw_revision; 627 u16 ini_version; 628 struct mlxsw_linecard_bdev *bdev; 629 struct { 630 struct mlxsw_linecard_device_info info; 631 u8 index; 632 } device; 633 }; 634 635 struct mlxsw_linecard_types_info; 636 637 struct mlxsw_linecards { 638 struct mlxsw_core *mlxsw_core; 639 const struct mlxsw_bus_info *bus_info; 640 u8 count; 641 struct mlxsw_linecard_types_info *types_info; 642 struct list_head event_ops_list; 643 struct mutex event_ops_list_lock; /* Locks accesses to event ops list */ 644 struct mlxsw_linecard linecards[] __counted_by(count); 645 }; 646 647 static inline struct mlxsw_linecard * 648 mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index) 649 { 650 return &linecards->linecards[slot_index - 1]; 651 } 652 653 int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard, 654 struct devlink_info_req *req, 655 struct netlink_ext_ack *extack); 656 int mlxsw_linecard_flash_update(struct devlink *linecard_devlink, 657 struct mlxsw_linecard *linecard, 658 const struct firmware *firmware, 659 struct netlink_ext_ack *extack); 660 661 int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core, 662 const struct mlxsw_bus_info *bus_info); 663 void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core); 664 665 typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core, 666 u8 slot_index, void *priv); 667 668 struct mlxsw_linecards_event_ops { 669 mlxsw_linecards_event_op_t *got_active; 670 mlxsw_linecards_event_op_t *got_inactive; 671 }; 672 673 int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core, 674 struct mlxsw_linecards_event_ops *ops, 675 void *priv); 676 void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core, 677 struct mlxsw_linecards_event_ops *ops, 678 void *priv); 679 680 int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard); 681 void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard); 682 683 int mlxsw_linecard_driver_register(void); 684 void mlxsw_linecard_driver_unregister(void); 685 686 #endif 687