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authorSean Anderson <seanga2@gmail.com>2020-10-27 19:55:30 -0400
committerTom Rini <trini@konsulko.com>2020-10-30 10:55:26 -0400
commit40455a6915e1f08e74a71d5c859ef93b6d815899 (patch)
treec23e154c70eefef29d43f0bbe439777261bd3fc4
parentf51e5ec4d7ebb6be110ef20eda6e000a04695221 (diff)
downloadu-boot-40455a6915e1f08e74a71d5c859ef93b6d815899.tar.gz
log: Add filter flag to match greater than a log level
This is the complement of the existing behavior to match only messages with a log level less than a threshold. This is primarily useful in conjunction with LOGFF_DENY. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
-rw-r--r--common/log.c12
-rw-r--r--include/log.h10
2 files changed, 15 insertions, 7 deletions
diff --git a/common/log.c b/common/log.c
index c1b6b6105f..4b6f3fcd04 100644
--- a/common/log.c
+++ b/common/log.c
@@ -162,11 +162,17 @@ static bool log_passes_filters(struct log_device *ldev, struct log_rec *rec)
}
list_for_each_entry(filt, &ldev->filter_head, sibling_node) {
- if (rec->level > filt->max_level)
+ if (filt->flags & LOGFF_LEVEL_MIN) {
+ if (rec->level < filt->level)
+ continue;
+ } else if (rec->level > filt->level) {
continue;
+ }
+
if ((filt->flags & LOGFF_HAS_CAT) &&
!log_has_cat(filt->cat_list, rec->cat))
continue;
+
if (filt->file_list &&
!log_has_file(filt->file_list, rec->file))
continue;
@@ -251,7 +257,7 @@ int _log(enum log_category_t cat, enum log_level_t level, const char *file,
}
int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[],
- enum log_level_t max_level, const char *file_list,
+ enum log_level_t level, const char *file_list,
int flags)
{
struct log_filter *filt;
@@ -279,7 +285,7 @@ int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[],
break;
}
}
- filt->max_level = max_level;
+ filt->level = level;
if (file_list) {
filt->file_list = strdup(file_list);
if (!filt->file_list) {
diff --git a/include/log.h b/include/log.h
index 05833f24bc..94ac729d9c 100644
--- a/include/log.h
+++ b/include/log.h
@@ -369,6 +369,8 @@ enum log_filter_flags {
LOGFF_HAS_CAT = 1 << 0,
/** @LOGFF_DENY: Filter denies matching messages */
LOGFF_DENY = 1 << 1,
+ /** @LOGFF_LEVEL_MIN: Filter's level is a minimum, not a maximum */
+ LOGFF_LEVEL_MIN = 1 << 2,
};
/**
@@ -384,7 +386,7 @@ enum log_filter_flags {
* @cat_list: List of categories to allow (terminated by %LOGC_END). If empty
* then all categories are permitted. Up to LOGF_MAX_CATEGORIES entries
* can be provided
- * @max_level: Maximum log level to allow
+ * @level: Maximum (or minimum, if LOGFF_MIN_LEVEL) log level to allow
* @file_list: List of files to allow, separated by comma. If NULL then all
* files are permitted
* @sibling_node: Next filter in the list of filters for this log device
@@ -393,7 +395,7 @@ struct log_filter {
int filter_num;
int flags;
enum log_category_t cat_list[LOGF_MAX_CATEGORIES];
- enum log_level_t max_level;
+ enum log_level_t level;
const char *file_list;
struct list_head sibling_node;
};
@@ -494,14 +496,14 @@ int do_log_test(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
* @cat_list: List of categories to allow (terminated by %LOGC_END). If empty
* then all categories are permitted. Up to LOGF_MAX_CATEGORIES entries
* can be provided
- * @max_level: Maximum log level to allow
+ * @level: Maximum (or minimum, if LOGFF_LEVEL_MIN) log level to allow
* @file_list: List of files to allow, separated by comma. If NULL then all
* files are permitted
* @return the sequence number of the new filter (>=0) if the filter was added,
* or a -ve value on error
*/
int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[],
- enum log_level_t max_level, const char *file_list,
+ enum log_level_t level, const char *file_list,
int flags);
/**