1 /* 2 * include/net/devlink.h - Network physical device Netlink interface 3 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2016 Jiri Pirko <[email protected]> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 #ifndef _NET_DEVLINK_H_ 12 #define _NET_DEVLINK_H_ 13 14 #include <linux/device.h> 15 #include <linux/slab.h> 16 #include <linux/gfp.h> 17 #include <linux/list.h> 18 #include <linux/netdevice.h> 19 #include <linux/spinlock.h> 20 #include <net/net_namespace.h> 21 #include <uapi/linux/devlink.h> 22 23 struct devlink_ops; 24 25 struct devlink { 26 struct list_head list; 27 struct list_head port_list; 28 struct list_head sb_list; 29 struct list_head dpipe_table_list; 30 struct list_head resource_list; 31 struct list_head param_list; 32 struct list_head region_list; 33 u32 snapshot_id; 34 struct list_head reporter_list; 35 struct devlink_dpipe_headers *dpipe_headers; 36 const struct devlink_ops *ops; 37 struct device *dev; 38 possible_net_t _net; 39 struct mutex lock; 40 char priv[0] __aligned(NETDEV_ALIGN); 41 }; 42 43 struct devlink_port_attrs { 44 bool set; 45 enum devlink_port_flavour flavour; 46 u32 port_number; /* same value as "split group" */ 47 bool split; 48 u32 split_subport_number; 49 }; 50 51 struct devlink_port { 52 struct list_head list; 53 struct list_head param_list; 54 struct devlink *devlink; 55 unsigned index; 56 bool registered; 57 spinlock_t type_lock; /* Protects type and type_dev 58 * pointer consistency. 59 */ 60 enum devlink_port_type type; 61 enum devlink_port_type desired_type; 62 void *type_dev; 63 struct devlink_port_attrs attrs; 64 }; 65 66 struct devlink_sb_pool_info { 67 enum devlink_sb_pool_type pool_type; 68 u32 size; 69 enum devlink_sb_threshold_type threshold_type; 70 u32 cell_size; 71 }; 72 73 /** 74 * struct devlink_dpipe_field - dpipe field object 75 * @name: field name 76 * @id: index inside the headers field array 77 * @bitwidth: bitwidth 78 * @mapping_type: mapping type 79 */ 80 struct devlink_dpipe_field { 81 const char *name; 82 unsigned int id; 83 unsigned int bitwidth; 84 enum devlink_dpipe_field_mapping_type mapping_type; 85 }; 86 87 /** 88 * struct devlink_dpipe_header - dpipe header object 89 * @name: header name 90 * @id: index, global/local detrmined by global bit 91 * @fields: fields 92 * @fields_count: number of fields 93 * @global: indicates if header is shared like most protocol header 94 * or driver specific 95 */ 96 struct devlink_dpipe_header { 97 const char *name; 98 unsigned int id; 99 struct devlink_dpipe_field *fields; 100 unsigned int fields_count; 101 bool global; 102 }; 103 104 /** 105 * struct devlink_dpipe_match - represents match operation 106 * @type: type of match 107 * @header_index: header index (packets can have several headers of same 108 * type like in case of tunnels) 109 * @header: header 110 * @fieled_id: field index 111 */ 112 struct devlink_dpipe_match { 113 enum devlink_dpipe_match_type type; 114 unsigned int header_index; 115 struct devlink_dpipe_header *header; 116 unsigned int field_id; 117 }; 118 119 /** 120 * struct devlink_dpipe_action - represents action operation 121 * @type: type of action 122 * @header_index: header index (packets can have several headers of same 123 * type like in case of tunnels) 124 * @header: header 125 * @fieled_id: field index 126 */ 127 struct devlink_dpipe_action { 128 enum devlink_dpipe_action_type type; 129 unsigned int header_index; 130 struct devlink_dpipe_header *header; 131 unsigned int field_id; 132 }; 133 134 /** 135 * struct devlink_dpipe_value - represents value of match/action 136 * @action: action 137 * @match: match 138 * @mapping_value: in case the field has some mapping this value 139 * specified the mapping value 140 * @mapping_valid: specify if mapping value is valid 141 * @value_size: value size 142 * @value: value 143 * @mask: bit mask 144 */ 145 struct devlink_dpipe_value { 146 union { 147 struct devlink_dpipe_action *action; 148 struct devlink_dpipe_match *match; 149 }; 150 unsigned int mapping_value; 151 bool mapping_valid; 152 unsigned int value_size; 153 void *value; 154 void *mask; 155 }; 156 157 /** 158 * struct devlink_dpipe_entry - table entry object 159 * @index: index of the entry in the table 160 * @match_values: match values 161 * @matche_values_count: count of matches tuples 162 * @action_values: actions values 163 * @action_values_count: count of actions values 164 * @counter: value of counter 165 * @counter_valid: Specify if value is valid from hardware 166 */ 167 struct devlink_dpipe_entry { 168 u64 index; 169 struct devlink_dpipe_value *match_values; 170 unsigned int match_values_count; 171 struct devlink_dpipe_value *action_values; 172 unsigned int action_values_count; 173 u64 counter; 174 bool counter_valid; 175 }; 176 177 /** 178 * struct devlink_dpipe_dump_ctx - context provided to driver in order 179 * to dump 180 * @info: info 181 * @cmd: devlink command 182 * @skb: skb 183 * @nest: top attribute 184 * @hdr: hdr 185 */ 186 struct devlink_dpipe_dump_ctx { 187 struct genl_info *info; 188 enum devlink_command cmd; 189 struct sk_buff *skb; 190 struct nlattr *nest; 191 void *hdr; 192 }; 193 194 struct devlink_dpipe_table_ops; 195 196 /** 197 * struct devlink_dpipe_table - table object 198 * @priv: private 199 * @name: table name 200 * @counters_enabled: indicates if counters are active 201 * @counter_control_extern: indicates if counter control is in dpipe or 202 * external tool 203 * @resource_valid: Indicate that the resource id is valid 204 * @resource_id: relative resource this table is related to 205 * @resource_units: number of resource's unit consumed per table's entry 206 * @table_ops: table operations 207 * @rcu: rcu 208 */ 209 struct devlink_dpipe_table { 210 void *priv; 211 struct list_head list; 212 const char *name; 213 bool counters_enabled; 214 bool counter_control_extern; 215 bool resource_valid; 216 u64 resource_id; 217 u64 resource_units; 218 struct devlink_dpipe_table_ops *table_ops; 219 struct rcu_head rcu; 220 }; 221 222 /** 223 * struct devlink_dpipe_table_ops - dpipe_table ops 224 * @actions_dump - dumps all tables actions 225 * @matches_dump - dumps all tables matches 226 * @entries_dump - dumps all active entries in the table 227 * @counters_set_update - when changing the counter status hardware sync 228 * maybe needed to allocate/free counter related 229 * resources 230 * @size_get - get size 231 */ 232 struct devlink_dpipe_table_ops { 233 int (*actions_dump)(void *priv, struct sk_buff *skb); 234 int (*matches_dump)(void *priv, struct sk_buff *skb); 235 int (*entries_dump)(void *priv, bool counters_enabled, 236 struct devlink_dpipe_dump_ctx *dump_ctx); 237 int (*counters_set_update)(void *priv, bool enable); 238 u64 (*size_get)(void *priv); 239 }; 240 241 /** 242 * struct devlink_dpipe_headers - dpipe headers 243 * @headers - header array can be shared (global bit) or driver specific 244 * @headers_count - count of headers 245 */ 246 struct devlink_dpipe_headers { 247 struct devlink_dpipe_header **headers; 248 unsigned int headers_count; 249 }; 250 251 /** 252 * struct devlink_resource_size_params - resource's size parameters 253 * @size_min: minimum size which can be set 254 * @size_max: maximum size which can be set 255 * @size_granularity: size granularity 256 * @size_unit: resource's basic unit 257 */ 258 struct devlink_resource_size_params { 259 u64 size_min; 260 u64 size_max; 261 u64 size_granularity; 262 enum devlink_resource_unit unit; 263 }; 264 265 static inline void 266 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 267 u64 size_min, u64 size_max, 268 u64 size_granularity, 269 enum devlink_resource_unit unit) 270 { 271 size_params->size_min = size_min; 272 size_params->size_max = size_max; 273 size_params->size_granularity = size_granularity; 274 size_params->unit = unit; 275 } 276 277 typedef u64 devlink_resource_occ_get_t(void *priv); 278 279 /** 280 * struct devlink_resource - devlink resource 281 * @name: name of the resource 282 * @id: id, per devlink instance 283 * @size: size of the resource 284 * @size_new: updated size of the resource, reload is needed 285 * @size_valid: valid in case the total size of the resource is valid 286 * including its children 287 * @parent: parent resource 288 * @size_params: size parameters 289 * @list: parent list 290 * @resource_list: list of child resources 291 */ 292 struct devlink_resource { 293 const char *name; 294 u64 id; 295 u64 size; 296 u64 size_new; 297 bool size_valid; 298 struct devlink_resource *parent; 299 struct devlink_resource_size_params size_params; 300 struct list_head list; 301 struct list_head resource_list; 302 devlink_resource_occ_get_t *occ_get; 303 void *occ_get_priv; 304 }; 305 306 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 307 308 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 309 enum devlink_param_type { 310 DEVLINK_PARAM_TYPE_U8, 311 DEVLINK_PARAM_TYPE_U16, 312 DEVLINK_PARAM_TYPE_U32, 313 DEVLINK_PARAM_TYPE_STRING, 314 DEVLINK_PARAM_TYPE_BOOL, 315 }; 316 317 union devlink_param_value { 318 u8 vu8; 319 u16 vu16; 320 u32 vu32; 321 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 322 bool vbool; 323 }; 324 325 struct devlink_param_gset_ctx { 326 union devlink_param_value val; 327 enum devlink_param_cmode cmode; 328 }; 329 330 /** 331 * struct devlink_param - devlink configuration parameter data 332 * @name: name of the parameter 333 * @generic: indicates if the parameter is generic or driver specific 334 * @type: parameter type 335 * @supported_cmodes: bitmap of supported configuration modes 336 * @get: get parameter value, used for runtime and permanent 337 * configuration modes 338 * @set: set parameter value, used for runtime and permanent 339 * configuration modes 340 * @validate: validate input value is applicable (within value range, etc.) 341 * 342 * This struct should be used by the driver to fill the data for 343 * a parameter it registers. 344 */ 345 struct devlink_param { 346 u32 id; 347 const char *name; 348 bool generic; 349 enum devlink_param_type type; 350 unsigned long supported_cmodes; 351 int (*get)(struct devlink *devlink, u32 id, 352 struct devlink_param_gset_ctx *ctx); 353 int (*set)(struct devlink *devlink, u32 id, 354 struct devlink_param_gset_ctx *ctx); 355 int (*validate)(struct devlink *devlink, u32 id, 356 union devlink_param_value val, 357 struct netlink_ext_ack *extack); 358 }; 359 360 struct devlink_param_item { 361 struct list_head list; 362 const struct devlink_param *param; 363 union devlink_param_value driverinit_value; 364 bool driverinit_value_valid; 365 bool published; 366 }; 367 368 enum devlink_param_generic_id { 369 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 370 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 371 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 372 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 373 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 374 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 375 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 376 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 377 378 /* add new param generic ids above here*/ 379 __DEVLINK_PARAM_GENERIC_ID_MAX, 380 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 381 }; 382 383 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 384 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 385 386 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 387 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 388 389 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 390 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 391 392 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 393 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 394 395 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 396 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 397 398 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 399 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 400 401 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 402 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 403 404 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 405 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 406 407 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 408 { \ 409 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 410 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 411 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 412 .generic = true, \ 413 .supported_cmodes = _cmodes, \ 414 .get = _get, \ 415 .set = _set, \ 416 .validate = _validate, \ 417 } 418 419 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 420 { \ 421 .id = _id, \ 422 .name = _name, \ 423 .type = _type, \ 424 .supported_cmodes = _cmodes, \ 425 .get = _get, \ 426 .set = _set, \ 427 .validate = _validate, \ 428 } 429 430 /* Part number, identifier of board design */ 431 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 432 /* Revision of board design */ 433 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 434 /* Maker of the board */ 435 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 436 437 /* Control processor FW version */ 438 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 439 /* Data path microcode controlling high-speed packet processing */ 440 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 441 /* UNDI software version */ 442 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 443 /* NCSI support/handler version */ 444 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 445 446 struct devlink_region; 447 struct devlink_info_req; 448 449 typedef void devlink_snapshot_data_dest_t(const void *data); 450 451 struct devlink_fmsg; 452 struct devlink_health_reporter; 453 454 enum devlink_health_reporter_state { 455 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 456 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 457 }; 458 459 /** 460 * struct devlink_health_reporter_ops - Reporter operations 461 * @name: reporter name 462 * @recover: callback to recover from reported error 463 * if priv_ctx is NULL, run a full recover 464 * @dump: callback to dump an object 465 * if priv_ctx is NULL, run a full dump 466 * @diagnose: callback to diagnose the current status 467 */ 468 469 struct devlink_health_reporter_ops { 470 char *name; 471 int (*recover)(struct devlink_health_reporter *reporter, 472 void *priv_ctx); 473 int (*dump)(struct devlink_health_reporter *reporter, 474 struct devlink_fmsg *fmsg, void *priv_ctx); 475 int (*diagnose)(struct devlink_health_reporter *reporter, 476 struct devlink_fmsg *fmsg); 477 }; 478 479 struct devlink_ops { 480 int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack); 481 int (*port_type_set)(struct devlink_port *devlink_port, 482 enum devlink_port_type port_type); 483 int (*port_split)(struct devlink *devlink, unsigned int port_index, 484 unsigned int count, struct netlink_ext_ack *extack); 485 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 486 struct netlink_ext_ack *extack); 487 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 488 u16 pool_index, 489 struct devlink_sb_pool_info *pool_info); 490 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 491 u16 pool_index, u32 size, 492 enum devlink_sb_threshold_type threshold_type); 493 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 494 unsigned int sb_index, u16 pool_index, 495 u32 *p_threshold); 496 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 497 unsigned int sb_index, u16 pool_index, 498 u32 threshold); 499 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 500 unsigned int sb_index, 501 u16 tc_index, 502 enum devlink_sb_pool_type pool_type, 503 u16 *p_pool_index, u32 *p_threshold); 504 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 505 unsigned int sb_index, 506 u16 tc_index, 507 enum devlink_sb_pool_type pool_type, 508 u16 pool_index, u32 threshold); 509 int (*sb_occ_snapshot)(struct devlink *devlink, 510 unsigned int sb_index); 511 int (*sb_occ_max_clear)(struct devlink *devlink, 512 unsigned int sb_index); 513 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 514 unsigned int sb_index, u16 pool_index, 515 u32 *p_cur, u32 *p_max); 516 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 517 unsigned int sb_index, 518 u16 tc_index, 519 enum devlink_sb_pool_type pool_type, 520 u32 *p_cur, u32 *p_max); 521 522 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 523 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 524 struct netlink_ext_ack *extack); 525 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 526 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 527 struct netlink_ext_ack *extack); 528 int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode); 529 int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode, 530 struct netlink_ext_ack *extack); 531 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 532 struct netlink_ext_ack *extack); 533 int (*flash_update)(struct devlink *devlink, const char *file_name, 534 const char *component, 535 struct netlink_ext_ack *extack); 536 }; 537 538 static inline void *devlink_priv(struct devlink *devlink) 539 { 540 BUG_ON(!devlink); 541 return &devlink->priv; 542 } 543 544 static inline struct devlink *priv_to_devlink(void *priv) 545 { 546 BUG_ON(!priv); 547 return container_of(priv, struct devlink, priv); 548 } 549 550 static inline struct devlink *netdev_to_devlink(struct net_device *dev) 551 { 552 if (dev->netdev_ops->ndo_get_devlink) 553 return dev->netdev_ops->ndo_get_devlink(dev); 554 return NULL; 555 } 556 557 struct ib_device; 558 559 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 560 int devlink_register(struct devlink *devlink, struct device *dev); 561 void devlink_unregister(struct devlink *devlink); 562 void devlink_free(struct devlink *devlink); 563 int devlink_port_register(struct devlink *devlink, 564 struct devlink_port *devlink_port, 565 unsigned int port_index); 566 void devlink_port_unregister(struct devlink_port *devlink_port); 567 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 568 struct net_device *netdev); 569 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 570 struct ib_device *ibdev); 571 void devlink_port_type_clear(struct devlink_port *devlink_port); 572 void devlink_port_attrs_set(struct devlink_port *devlink_port, 573 enum devlink_port_flavour flavour, 574 u32 port_number, bool split, 575 u32 split_subport_number); 576 int devlink_port_get_phys_port_name(struct devlink_port *devlink_port, 577 char *name, size_t len); 578 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 579 u32 size, u16 ingress_pools_count, 580 u16 egress_pools_count, u16 ingress_tc_count, 581 u16 egress_tc_count); 582 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 583 int devlink_dpipe_table_register(struct devlink *devlink, 584 const char *table_name, 585 struct devlink_dpipe_table_ops *table_ops, 586 void *priv, bool counter_control_extern); 587 void devlink_dpipe_table_unregister(struct devlink *devlink, 588 const char *table_name); 589 int devlink_dpipe_headers_register(struct devlink *devlink, 590 struct devlink_dpipe_headers *dpipe_headers); 591 void devlink_dpipe_headers_unregister(struct devlink *devlink); 592 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 593 const char *table_name); 594 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 595 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 596 struct devlink_dpipe_entry *entry); 597 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 598 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 599 int devlink_dpipe_action_put(struct sk_buff *skb, 600 struct devlink_dpipe_action *action); 601 int devlink_dpipe_match_put(struct sk_buff *skb, 602 struct devlink_dpipe_match *match); 603 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 604 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 605 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 606 607 int devlink_resource_register(struct devlink *devlink, 608 const char *resource_name, 609 u64 resource_size, 610 u64 resource_id, 611 u64 parent_resource_id, 612 const struct devlink_resource_size_params *size_params); 613 void devlink_resources_unregister(struct devlink *devlink, 614 struct devlink_resource *resource); 615 int devlink_resource_size_get(struct devlink *devlink, 616 u64 resource_id, 617 u64 *p_resource_size); 618 int devlink_dpipe_table_resource_set(struct devlink *devlink, 619 const char *table_name, u64 resource_id, 620 u64 resource_units); 621 void devlink_resource_occ_get_register(struct devlink *devlink, 622 u64 resource_id, 623 devlink_resource_occ_get_t *occ_get, 624 void *occ_get_priv); 625 void devlink_resource_occ_get_unregister(struct devlink *devlink, 626 u64 resource_id); 627 int devlink_params_register(struct devlink *devlink, 628 const struct devlink_param *params, 629 size_t params_count); 630 void devlink_params_unregister(struct devlink *devlink, 631 const struct devlink_param *params, 632 size_t params_count); 633 void devlink_params_publish(struct devlink *devlink); 634 void devlink_params_unpublish(struct devlink *devlink); 635 int devlink_port_params_register(struct devlink_port *devlink_port, 636 const struct devlink_param *params, 637 size_t params_count); 638 void devlink_port_params_unregister(struct devlink_port *devlink_port, 639 const struct devlink_param *params, 640 size_t params_count); 641 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 642 union devlink_param_value *init_val); 643 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 644 union devlink_param_value init_val); 645 int 646 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, 647 u32 param_id, 648 union devlink_param_value *init_val); 649 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, 650 u32 param_id, 651 union devlink_param_value init_val); 652 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 653 void devlink_port_param_value_changed(struct devlink_port *devlink_port, 654 u32 param_id); 655 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 656 const char *src); 657 struct devlink_region *devlink_region_create(struct devlink *devlink, 658 const char *region_name, 659 u32 region_max_snapshots, 660 u64 region_size); 661 void devlink_region_destroy(struct devlink_region *region); 662 u32 devlink_region_shapshot_id_get(struct devlink *devlink); 663 int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len, 664 u8 *data, u32 snapshot_id, 665 devlink_snapshot_data_dest_t *data_destructor); 666 int devlink_info_serial_number_put(struct devlink_info_req *req, 667 const char *sn); 668 int devlink_info_driver_name_put(struct devlink_info_req *req, 669 const char *name); 670 int devlink_info_version_fixed_put(struct devlink_info_req *req, 671 const char *version_name, 672 const char *version_value); 673 int devlink_info_version_stored_put(struct devlink_info_req *req, 674 const char *version_name, 675 const char *version_value); 676 int devlink_info_version_running_put(struct devlink_info_req *req, 677 const char *version_name, 678 const char *version_value); 679 680 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 681 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 682 683 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 684 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 685 686 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 687 const char *name); 688 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 689 690 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); 691 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); 692 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 693 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); 694 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 695 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 696 u16 value_len); 697 698 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 699 bool value); 700 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 701 u8 value); 702 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 703 u32 value); 704 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 705 u64 value); 706 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 707 const char *value); 708 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 709 const void *value, u16 value_len); 710 711 struct devlink_health_reporter * 712 devlink_health_reporter_create(struct devlink *devlink, 713 const struct devlink_health_reporter_ops *ops, 714 u64 graceful_period, bool auto_recover, 715 void *priv); 716 void 717 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 718 719 void * 720 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 721 int devlink_health_report(struct devlink_health_reporter *reporter, 722 const char *msg, void *priv_ctx); 723 void 724 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 725 enum devlink_health_reporter_state state); 726 727 #if IS_ENABLED(CONFIG_NET_DEVLINK) 728 729 void devlink_compat_running_version(struct net_device *dev, 730 char *buf, size_t len); 731 int devlink_compat_flash_update(struct net_device *dev, const char *file_name); 732 733 #else 734 735 static inline void 736 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) 737 { 738 } 739 740 static inline int 741 devlink_compat_flash_update(struct net_device *dev, const char *file_name) 742 { 743 return -EOPNOTSUPP; 744 } 745 746 #endif 747 748 #endif /* _NET_DEVLINK_H_ */ 749