1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Logging support 4 * 5 * Copyright (c) 2017 Google, Inc 6 * Written by Simon Glass <sjg@chromium.org> 7 */ 8 9 #ifndef __LOG_H 10 #define __LOG_H 11 12 #include <stdio.h> 13 #include <linker_lists.h> 14 #include <dm/uclass-id.h> 15 #include <linux/bitops.h> 16 #include <linux/list.h> 17 18 struct cmd_tbl; 19 20 /** 21 * enum log_level_t - Log levels supported, ranging from most to least important 22 */ 23 enum log_level_t { 24 /** @LOGL_EMERG: U-Boot is unstable */ 25 LOGL_EMERG = 0, 26 /** @LOGL_ALERT: Action must be taken immediately */ 27 LOGL_ALERT, 28 /** @LOGL_CRIT: Critical conditions */ 29 LOGL_CRIT, 30 /** @LOGL_ERR: Error that prevents something from working */ 31 LOGL_ERR, 32 /** @LOGL_WARNING: Warning may prevent optimal operation */ 33 LOGL_WARNING, 34 /** @LOGL_NOTICE: Normal but significant condition, printf() */ 35 LOGL_NOTICE, 36 /** @LOGL_INFO: General information message */ 37 LOGL_INFO, 38 /** @LOGL_DEBUG: Basic debug-level message */ 39 LOGL_DEBUG, 40 /** @LOGL_DEBUG_CONTENT: Debug message showing full message content */ 41 LOGL_DEBUG_CONTENT, 42 /** @LOGL_DEBUG_IO: Debug message showing hardware I/O access */ 43 LOGL_DEBUG_IO, 44 45 /** @LOGL_COUNT: Total number of valid log levels */ 46 LOGL_COUNT, 47 /** @LOGL_NONE: Used to indicate that there is no valid log level */ 48 LOGL_NONE, 49 50 /** @LOGL_LEVEL_MASK: Mask for valid log levels */ 51 LOGL_LEVEL_MASK = 0xf, 52 /** @LOGL_FORCE_DEBUG: Mask to force output due to LOG_DEBUG */ 53 LOGL_FORCE_DEBUG = 0x10, 54 55 /** @LOGL_FIRST: The first, most-important log level */ 56 LOGL_FIRST = LOGL_EMERG, 57 /** @LOGL_MAX: The last, least-important log level */ 58 LOGL_MAX = LOGL_DEBUG_IO, 59 /** @LOGL_CONT: Use same log level as in previous call */ 60 LOGL_CONT = -1, 61 }; 62 63 /** 64 * enum log_category_t - Log categories supported. 65 * 66 * Log categories between %LOGC_FIRST and %LOGC_NONE correspond to uclasses 67 * (i.e. &enum uclass_id), but there are also some more generic categories. 68 * 69 * Remember to update log_cat_name[] after adding a new category. 70 */ 71 enum log_category_t { 72 /** @LOGC_FIRST: First log category */ 73 LOGC_FIRST = 0, /* First part mirrors UCLASS_... */ 74 75 /** @LOGC_NONE: Default log category */ 76 LOGC_NONE = UCLASS_COUNT, /* First number is after all uclasses */ 77 /** @LOGC_ARCH: Related to arch-specific code */ 78 LOGC_ARCH, 79 /** @LOGC_BOARD: Related to board-specific code */ 80 LOGC_BOARD, 81 /** @LOGC_CORE: Related to core features (non-driver-model) */ 82 LOGC_CORE, 83 /** @LOGC_DM: Core driver-model */ 84 LOGC_DM, 85 /** @LOGC_DT: Device-tree */ 86 LOGC_DT, 87 /** @LOGC_EFI: EFI implementation */ 88 LOGC_EFI, 89 /** @LOGC_ALLOC: Memory allocation */ 90 LOGC_ALLOC, 91 /** @LOGC_SANDBOX: Related to the sandbox board */ 92 LOGC_SANDBOX, 93 /** @LOGC_BLOBLIST: Bloblist */ 94 LOGC_BLOBLIST, 95 /** @LOGC_DEVRES: Device resources (``devres_...`` functions) */ 96 LOGC_DEVRES, 97 /** @LOGC_ACPI: Advanced Configuration and Power Interface (ACPI) */ 98 LOGC_ACPI, 99 /** @LOGC_BOOT: Related to boot process / boot image processing */ 100 LOGC_BOOT, 101 /** @LOGC_COUNT: Number of log categories */ 102 LOGC_COUNT, 103 /** @LOGC_END: Sentinel value for lists of log categories */ 104 LOGC_END, 105 /** @LOGC_CONT: Use same category as in previous call */ 106 LOGC_CONT = -1, 107 }; 108 109 /* Helper to cast a uclass ID to a log category */ log_uc_cat(enum uclass_id id)110 static inline int log_uc_cat(enum uclass_id id) 111 { 112 return (enum log_category_t)id; 113 } 114 115 /** 116 * _log() - Internal function to emit a new log record 117 * 118 * @cat: Category of log record (indicating which subsystem generated it) 119 * @level: Level of log record (indicating its severity) 120 * @file: File name of file where log record was generated 121 * @line: Line number in file where log record was generated 122 * @func: Function where log record was generated 123 * @fmt: printf() format string for log record 124 * @...: Optional parameters, according to the format string @fmt 125 * Return: 0 if log record was emitted, -ve on error 126 */ 127 int _log(enum log_category_t cat, enum log_level_t level, const char *file, 128 int line, const char *func, const char *fmt, ...) 129 __attribute__ ((format (__printf__, 6, 7))); 130 131 static inline int _log_nop(enum log_category_t cat, enum log_level_t level, 132 const char *file, int line, const char *func, 133 const char *fmt, ...) 134 __attribute__ ((format (__printf__, 6, 7))); 135 _log_nop(enum log_category_t cat,enum log_level_t level,const char * file,int line,const char * func,const char * fmt,...)136 static inline int _log_nop(enum log_category_t cat, enum log_level_t level, 137 const char *file, int line, const char *func, 138 const char *fmt, ...) 139 { 140 return 0; 141 } 142 143 /* Define this at the top of a file to add a prefix to debug messages */ 144 #ifndef pr_fmt 145 #define pr_fmt(fmt) fmt 146 #endif 147 148 /* Use a default category if this file does not supply one */ 149 #ifndef LOG_CATEGORY 150 #define LOG_CATEGORY LOGC_NONE 151 #endif 152 153 /* 154 * This header may be including when CONFIG_LOG is disabled, in which case 155 * CONFIG_LOG_MAX_LEVEL is not defined. Add a check for this. 156 */ 157 #if CONFIG_IS_ENABLED(LOG) 158 #define _LOG_MAX_LEVEL CONFIG_VAL(LOG_MAX_LEVEL) 159 #define log_emer(_fmt...) log(LOG_CATEGORY, LOGL_EMERG, ##_fmt) 160 #define log_alert(_fmt...) log(LOG_CATEGORY, LOGL_ALERT, ##_fmt) 161 #define log_crit(_fmt...) log(LOG_CATEGORY, LOGL_CRIT, ##_fmt) 162 #define log_err(_fmt...) log(LOG_CATEGORY, LOGL_ERR, ##_fmt) 163 #define log_warning(_fmt...) log(LOG_CATEGORY, LOGL_WARNING, ##_fmt) 164 #define log_notice(_fmt...) log(LOG_CATEGORY, LOGL_NOTICE, ##_fmt) 165 #define log_info(_fmt...) log(LOG_CATEGORY, LOGL_INFO, ##_fmt) 166 #define log_debug(_fmt...) log(LOG_CATEGORY, LOGL_DEBUG, ##_fmt) 167 #define log_content(_fmt...) log(LOG_CATEGORY, LOGL_DEBUG_CONTENT, ##_fmt) 168 #define log_io(_fmt...) log(LOG_CATEGORY, LOGL_DEBUG_IO, ##_fmt) 169 #define log_cont(_fmt...) log(LOGC_CONT, LOGL_CONT, ##_fmt) 170 #else 171 #define _LOG_MAX_LEVEL LOGL_INFO 172 #define log_emerg(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 173 #define log_alert(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 174 #define log_crit(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 175 #define log_err(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 176 #define log_warning(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 177 #define log_notice(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 178 #define log_info(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 179 #define log_cont(_fmt, ...) printf(_fmt, ##__VA_ARGS__) 180 #define log_debug(_fmt, ...) debug(_fmt, ##__VA_ARGS__) 181 #define log_content(_fmt...) log_nop(LOG_CATEGORY, \ 182 LOGL_DEBUG_CONTENT, ##_fmt) 183 #define log_io(_fmt...) log_nop(LOG_CATEGORY, LOGL_DEBUG_IO, ##_fmt) 184 #endif 185 186 #if CONFIG_IS_ENABLED(LOG) 187 #ifdef LOG_DEBUG 188 #define _LOG_DEBUG LOGL_FORCE_DEBUG 189 #else 190 #define _LOG_DEBUG 0 191 #endif 192 193 /* Emit a log record if the level is less that the maximum */ 194 #define log(_cat, _level, _fmt, _args...) ({ \ 195 int _l = _level; \ 196 if (CONFIG_IS_ENABLED(LOG) && \ 197 (_LOG_DEBUG != 0 || _l <= _LOG_MAX_LEVEL)) \ 198 _log((enum log_category_t)(_cat), \ 199 (enum log_level_t)(_l | _LOG_DEBUG), __FILE__, \ 200 __LINE__, __func__, \ 201 pr_fmt(_fmt), ##_args); \ 202 }) 203 #else 204 #define log(_cat, _level, _fmt, _args...) 205 #endif 206 207 #define log_nop(_cat, _level, _fmt, _args...) ({ \ 208 int _l = _level; \ 209 _log_nop((enum log_category_t)(_cat), _l, __FILE__, __LINE__, \ 210 __func__, pr_fmt(_fmt), ##_args); \ 211 }) 212 213 #ifdef DEBUG 214 #define _DEBUG 1 215 #else 216 #define _DEBUG 0 217 #endif 218 219 #ifdef CONFIG_SPL_BUILD 220 #define _SPL_BUILD 1 221 #else 222 #define _SPL_BUILD 0 223 #endif 224 225 #if !_DEBUG && CONFIG_IS_ENABLED(LOG) 226 227 #define debug_cond(cond, fmt, args...) \ 228 ({ \ 229 log(LOG_CATEGORY, LOGL_DEBUG, fmt, ##args); \ 230 }) 231 232 #else /* _DEBUG */ 233 234 /* 235 * Output a debug text when condition "cond" is met. The "cond" should be 236 * computed by a preprocessor in the best case, allowing for the best 237 * optimization. 238 */ 239 #define debug_cond(cond, fmt, args...) \ 240 ({ \ 241 if (cond) \ 242 printf(pr_fmt(fmt), ##args); \ 243 }) 244 245 #endif /* _DEBUG */ 246 247 /* Show a message if DEBUG is defined in a file */ 248 #define debug(fmt, args...) \ 249 debug_cond(_DEBUG, fmt, ##args) 250 251 /* Show a message if not in SPL */ 252 #define warn_non_spl(fmt, args...) \ 253 debug_cond(!_SPL_BUILD, fmt, ##args) 254 255 /* 256 * An assertion is run-time check done in debug mode only. If DEBUG is not 257 * defined then it is skipped. If DEBUG is defined and the assertion fails, 258 * then it calls panic*( which may or may not reset/halt U-Boot (see 259 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 260 * before release, and after release it is hoped that they don't matter. But 261 * in any case these failing assertions cannot be fixed with a reset (which 262 * may just do the same assertion again). 263 */ 264 void __assert_fail(const char *assertion, const char *file, unsigned int line, 265 const char *function); 266 267 /** 268 * assert() - assert expression is true 269 * 270 * If the expression x evaluates to false and _DEBUG evaluates to true, a panic 271 * message is written and the system stalls. The value of _DEBUG is set to true 272 * if DEBUG is defined before including common.h. 273 * 274 * The expression x is always executed irrespective of the value of _DEBUG. 275 * 276 * @x: expression to test 277 */ 278 #define assert(x) \ 279 ({ if (!(x) && _DEBUG) \ 280 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 281 282 /* 283 * This one actually gets compiled in even without DEBUG. It doesn't include the 284 * full pathname as it may be huge. Only use this when the user should be 285 * warning, similar to BUG_ON() in linux. 286 * 287 * Return: true if assertion succeeded (condition is true), else false 288 */ 289 #define assert_noisy(x) \ 290 ({ bool _val = (x); \ 291 if (!_val) \ 292 __assert_fail(#x, "?", __LINE__, __func__); \ 293 _val; \ 294 }) 295 296 #if CONFIG_IS_ENABLED(LOG) && defined(CONFIG_LOG_ERROR_RETURN) 297 /* 298 * Log an error return value, possibly with a message. Usage: 299 * 300 * return log_ret(fred_call()); 301 * 302 * or: 303 * 304 * return log_msg_ret("fred failed", fred_call()); 305 */ 306 #define log_ret(_ret) ({ \ 307 int __ret = (_ret); \ 308 if (__ret < 0) \ 309 log(LOG_CATEGORY, LOGL_ERR, "returning err=%d\n", __ret); \ 310 __ret; \ 311 }) 312 #define log_msg_ret(_msg, _ret) ({ \ 313 int __ret = (_ret); \ 314 if (__ret < 0) \ 315 log(LOG_CATEGORY, LOGL_ERR, "%s: returning err=%d\n", _msg, \ 316 __ret); \ 317 __ret; \ 318 }) 319 #else 320 /* Non-logging versions of the above which just return the error code */ 321 #define log_ret(_ret) (_ret) 322 #define log_msg_ret(_msg, _ret) ((void)(_msg), _ret) 323 #endif 324 325 /** 326 * struct log_rec - a single log record 327 * 328 * Holds information about a single record in the log 329 * 330 * Members marked as 'not allocated' are stored as pointers and the caller is 331 * responsible for making sure that the data pointed to is not overwritten. 332 * Members marked as 'allocated' are allocated (e.g. via strdup()) by the log 333 * system. 334 * 335 * TODO(sjg@chromium.org): Compress this struct down a bit to reduce space, e.g. 336 * a single u32 for cat, level, line and force_debug 337 * 338 * @cat: Category, representing a uclass or part of U-Boot 339 * @level: Severity level, less severe is higher 340 * @force_debug: Force output of debug 341 * @file: Name of file where the log record was generated (not allocated) 342 * @line: Line number where the log record was generated 343 * @func: Function where the log record was generated (not allocated) 344 * @msg: Log message (allocated) 345 */ 346 struct log_rec { 347 enum log_category_t cat; 348 enum log_level_t level; 349 bool force_debug; 350 const char *file; 351 int line; 352 const char *func; 353 const char *msg; 354 }; 355 356 struct log_device; 357 358 enum log_device_flags { 359 LOGDF_ENABLE = BIT(0), /* Device is enabled */ 360 }; 361 362 /** 363 * struct log_driver - a driver which accepts and processes log records 364 * 365 * @name: Name of driver 366 * @emit: Method to call to emit a log record via this device 367 * @flags: Initial value for flags (use LOGDF_ENABLE to enable on start-up) 368 */ 369 struct log_driver { 370 const char *name; 371 372 /** 373 * @emit: emit a log record 374 * 375 * Called by the log system to pass a log record to a particular driver 376 * for processing. The filter is checked before calling this function. 377 */ 378 int (*emit)(struct log_device *ldev, struct log_rec *rec); 379 unsigned short flags; 380 }; 381 382 /** 383 * struct log_device - an instance of a log driver 384 * 385 * Since drivers are set up at build-time we need to have a separate device for 386 * the run-time aspects of drivers (currently just a list of filters to apply 387 * to records send to this device). 388 * 389 * @next_filter_num: Sequence number of next filter filter added (0=no filters 390 * yet). This increments with each new filter on the device, but never 391 * decrements 392 * @flags: Flags for this filter (enum log_device_flags) 393 * @drv: Pointer to driver for this device 394 * @filter_head: List of filters for this device 395 * @sibling_node: Next device in the list of all devices 396 */ 397 struct log_device { 398 unsigned short next_filter_num; 399 unsigned short flags; 400 struct log_driver *drv; 401 struct list_head filter_head; 402 struct list_head sibling_node; 403 }; 404 405 enum { 406 LOGF_MAX_CATEGORIES = 5, /* maximum categories per filter */ 407 }; 408 409 /** 410 * enum log_filter_flags - Flags which modify a filter 411 */ 412 enum log_filter_flags { 413 /** @LOGFF_HAS_CAT: Filter has a category list */ 414 LOGFF_HAS_CAT = 1 << 0, 415 /** @LOGFF_DENY: Filter denies matching messages */ 416 LOGFF_DENY = 1 << 1, 417 /** @LOGFF_LEVEL_MIN: Filter's level is a minimum, not a maximum */ 418 LOGFF_LEVEL_MIN = 1 << 2, 419 }; 420 421 /** 422 * struct log_filter - criteria to filter out log messages 423 * 424 * If a message matches all criteria, then it is allowed. If LOGFF_DENY is set, 425 * then it is denied instead. 426 * 427 * @filter_num: Sequence number of this filter. This is returned when adding a 428 * new filter, and must be provided when removing a previously added 429 * filter. 430 * @flags: Flags for this filter (``LOGFF_...``) 431 * @cat_list: List of categories to allow (terminated by %LOGC_END). If empty 432 * then all categories are permitted. Up to %LOGF_MAX_CATEGORIES entries 433 * can be provided 434 * @level: Maximum (or minimum, if %LOGFF_MIN_LEVEL) log level to allow 435 * @file_list: List of files to allow, separated by comma. If NULL then all 436 * files are permitted 437 * @sibling_node: Next filter in the list of filters for this log device 438 */ 439 struct log_filter { 440 int filter_num; 441 int flags; 442 enum log_category_t cat_list[LOGF_MAX_CATEGORIES]; 443 enum log_level_t level; 444 const char *file_list; 445 struct list_head sibling_node; 446 }; 447 448 #define LOG_DRIVER(_name) \ 449 ll_entry_declare(struct log_driver, _name, log_driver) 450 451 /* Get a pointer to a given driver */ 452 #define LOG_GET_DRIVER(__name) \ 453 ll_entry_get(struct log_driver, __name, log_driver) 454 455 /** 456 * log_get_cat_name() - Get the name of a category 457 * 458 * @cat: Category to look up 459 * Return: category name (which may be a uclass driver name) if found, or 460 * "<invalid>" if invalid, or "<missing>" if not found. All error 461 * responses begin with '<'. 462 */ 463 const char *log_get_cat_name(enum log_category_t cat); 464 465 /** 466 * log_get_cat_by_name() - Look up a category by name 467 * 468 * @name: Name to look up 469 * Return: Category, or %LOGC_NONE if not found 470 */ 471 enum log_category_t log_get_cat_by_name(const char *name); 472 473 /** 474 * log_get_level_name() - Get the name of a log level 475 * 476 * @level: Log level to look up 477 * Return: Log level name (in ALL CAPS) 478 */ 479 const char *log_get_level_name(enum log_level_t level); 480 481 /** 482 * log_get_level_by_name() - Look up a log level by name 483 * 484 * @name: Name to look up 485 * Return: Log level, or %LOGL_NONE if not found 486 */ 487 enum log_level_t log_get_level_by_name(const char *name); 488 489 /** 490 * log_device_find_by_name() - Look up a log device by its driver's name 491 * 492 * @drv_name: Name of the driver 493 * Return: the log device, or %NULL if not found 494 */ 495 struct log_device *log_device_find_by_name(const char *drv_name); 496 497 /** 498 * log_has_cat() - check if a log category exists within a list 499 * 500 * @cat_list: List of categories to check, at most %LOGF_MAX_CATEGORIES entries 501 * long, terminated by %LC_END if fewer 502 * @cat: Category to search for 503 * 504 * Return: ``true`` if @cat is in @cat_list, else ``false`` 505 */ 506 bool log_has_cat(enum log_category_t cat_list[], enum log_category_t cat); 507 508 /** 509 * log_has_file() - check if a file is with a list 510 * 511 * @file_list: List of files to check, separated by comma 512 * @file: File to check for. This string is matched against the end of each 513 * file in the list, i.e. ignoring any preceding path. The list is 514 * intended to consist of relative pathnames, e.g. common/main.c,cmd/log.c 515 * 516 * Return: ``true`` if @file is in @file_list, else ``false`` 517 */ 518 bool log_has_file(const char *file_list, const char *file); 519 520 /* Log format flags (bit numbers) for gd->log_fmt. See log_fmt_chars */ 521 enum log_fmt { 522 LOGF_CAT = 0, 523 LOGF_LEVEL, 524 LOGF_FILE, 525 LOGF_LINE, 526 LOGF_FUNC, 527 LOGF_MSG, 528 529 LOGF_COUNT, 530 LOGF_ALL = 0x3f, 531 }; 532 533 /* Handle the 'log test' command */ 534 int do_log_test(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]); 535 536 /** 537 * log_add_filter_flags() - Add a new filter to a log device, specifying flags 538 * 539 * @drv_name: Driver name to add the filter to (since each driver only has a 540 * single device) 541 * @flags: Flags for this filter (``LOGFF_...``) 542 * @cat_list: List of categories to allow (terminated by %LOGC_END). If empty 543 * then all categories are permitted. Up to %LOGF_MAX_CATEGORIES entries 544 * can be provided 545 * @level: Maximum (or minimum, if %LOGFF_LEVEL_MIN) log level to allow 546 * @file_list: List of files to allow, separated by comma. If NULL then all 547 * files are permitted 548 * Return: 549 * the sequence number of the new filter (>=0) if the filter was added, or a 550 * -ve value on error 551 */ 552 int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[], 553 enum log_level_t level, const char *file_list, 554 int flags); 555 556 /** 557 * log_add_filter() - Add a new filter to a log device 558 * 559 * @drv_name: Driver name to add the filter to (since each driver only has a 560 * single device) 561 * @cat_list: List of categories to allow (terminated by %LOGC_END). If empty 562 * then all categories are permitted. Up to %LOGF_MAX_CATEGORIES entries 563 * can be provided 564 * @max_level: Maximum log level to allow 565 * @file_list: List of files to allow, separated by comma. If %NULL then all 566 * files are permitted 567 * Return: 568 * the sequence number of the new filter (>=0) if the filter was added, or a 569 * -ve value on error 570 */ log_add_filter(const char * drv_name,enum log_category_t cat_list[],enum log_level_t max_level,const char * file_list)571 static inline int log_add_filter(const char *drv_name, 572 enum log_category_t cat_list[], 573 enum log_level_t max_level, 574 const char *file_list) 575 { 576 return log_add_filter_flags(drv_name, cat_list, max_level, file_list, 577 0); 578 } 579 580 /** 581 * log_remove_filter() - Remove a filter from a log device 582 * 583 * @drv_name: Driver name to remove the filter from (since each driver only has 584 * a single device) 585 * @filter_num: Filter number to remove (as returned by log_add_filter()) 586 * Return: 587 * 0 if the filter was removed, -%ENOENT if either the driver or the filter 588 * number was not found 589 */ 590 int log_remove_filter(const char *drv_name, int filter_num); 591 592 /** 593 * log_device_set_enable() - Enable or disable a log device 594 * 595 * Devices are referenced by their driver, so use LOG_GET_DRIVER(name) to pass 596 * the driver to this function. For example if the driver is declared with 597 * LOG_DRIVER(wibble) then pass LOG_GET_DRIVER(wibble) here. 598 * 599 * @drv: Driver of device to enable 600 * @enable: true to enable, false to disable 601 * @return 0 if OK, -ENOENT if the driver was not found 602 */ 603 int log_device_set_enable(struct log_driver *drv, bool enable); 604 605 #if CONFIG_IS_ENABLED(LOG) 606 /** 607 * log_init() - Set up the log system ready for use 608 * 609 * Return: 0 if OK, -%ENOMEM if out of memory 610 */ 611 int log_init(void); 612 #else log_init(void)613 static inline int log_init(void) 614 { 615 return 0; 616 } 617 #endif 618 619 /** 620 * log_get_default_format() - get default log format 621 * 622 * The default log format is configurable via 623 * %CONFIG_LOGF_FILE, %CONFIG_LOGF_LINE, and %CONFIG_LOGF_FUNC. 624 * 625 * Return: default log format 626 */ log_get_default_format(void)627 static inline int log_get_default_format(void) 628 { 629 return BIT(LOGF_MSG) | 630 (IS_ENABLED(CONFIG_LOGF_FILE) ? BIT(LOGF_FILE) : 0) | 631 (IS_ENABLED(CONFIG_LOGF_LINE) ? BIT(LOGF_LINE) : 0) | 632 (IS_ENABLED(CONFIG_LOGF_FUNC) ? BIT(LOGF_FUNC) : 0); 633 } 634 635 #endif 636