u-boot/include/log.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
12 #include <dm/uclass-id.h>
17 	LOGL_EMERG = 0,		/* U-Boot is unstable */
24 	LOGL_DEBUG,		/* Basic debug-level message */
43 	LOGC_ARCH,	/* Related to arch-specific code */
44 	LOGC_BOARD,	/* Related to board-specific code */
45 	LOGC_CORE,	/* Related to core features (non-driver-model) */
46 	LOGC_DM,	/* Core driver-model */
47 	LOGC_DT,	/* Device-tree */
64  * _log() - Internal function to emit a new log record
73  * @return 0 if log record was emitted, -ve on error
176  * An assertion is run-time check done in debug mode only. If DEBUG is not
178  * then it calls panic*( which may or may not reset/halt U-Boot (see
214 /* Non-logging versions of the above which just return the error code */
220  * struct log_rec - a single log record
229  * @cat: Category, representing a uclass or part of U-Boot
248  * struct log_driver - a driver which accepts and processes log records
255 	 * emit() - emit a log record
264  * struct log_device - an instance of a log driver
266  * Since drivers are set up at build-time we need to have a separate device for
267  * the run-time aspects of drivers (currently just a list of filters to apply
293  * struct log_filter - criterial to filter out log messages
300  *	then all categories are permitted. Up to LOGF_MAX_CATEGORIES entries
320  * log_get_cat_name() - Get the name of a category
322  * @cat: Category to look up
329  * log_get_cat_by_name() - Look up a category by name
331  * @name: Name to look up
337  * log_get_level_name() - Get the name of a log level
339  * @level: Log level to look up
345  * log_get_level_by_name() - Look up a log level by name
347  * @name: Name to look up
352 /* Log format flags (bit numbers) for gd->log_fmt. See log_fmt_chars */
370  * log_add_filter() - Add a new filter to a log device
375  *	then all categories are permitted. Up to LOGF_MAX_CATEGORIES entries
381  *	or a -ve value on error
387  * log_remove_filter() - Remove a filter from a log device
392  * @return 0 if the filter was removed, -ENOENT if either the driver or the
399  * log_init() - Set up the log system ready for use
401  * @return 0 if OK, -ENOMEM if out of memory