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DM: add log macro/func and basic data structure.

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also set default logger as console and enabled.

Tracked-On: #3012
Signed-off-by: Minggui Cao <minggui.cao@intel.com>
Acked-by: Yin Fengwei <fengwei.yin@intel.com>
This commit is contained in:
Minggui Cao
2019-04-01 10:48:19 +08:00
committed by wenlingz
parent 31efa2b522
commit c3954cecbe
3 changed files with 142 additions and 0 deletions
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53
devicemodel/include/log.h Normal file
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@@ -0,0 +1,53 @@
/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __LOG_H__
#define __LOG_H__
#include "types.h"
/* Logging severity levels */
#define LOG_ERROR 1U
#define LOG_WARNING 2U
#define LOG_NOTICE 3U
#define LOG_INFO 4U
#define LOG_DEBUG 5U
#define DEFAULT_LOG_LEVEL 4
#define MAX_ONE_LOG_SIZE 256
struct logger_ops {
const char *name;
bool (*is_enabled)(void);
uint8_t (*get_log_level)(void);
int (*init)(bool enable, uint8_t log_level);
void (*deinit)(void);
void (*output)(const char *fmt, va_list args);
};
void init_logger_setting(const char *opt);
void output_log(uint8_t level, const char *fmt, ...);
/*
* Put all logger instances' addresses into one section named logger_dev_ops
* so that DM could enumerate and initialize each of them.
*/
#define DECLARE_LOGGER_SECTION() SET_DECLARE(logger_dev_ops, struct logger_ops)
#define DEFINE_LOGGER_DEVICE(x) DATA_SET(logger_dev_ops, x)
#define FOR_EACH_LOGGER(pp_logger) SET_FOREACH(pp_logger, logger_dev_ops)
#ifndef pr_prefix
#define pr_prefix
#endif
#define pr_err(...) output_log(LOG_ERROR, pr_prefix __VA_ARGS__)
#define pr_warn(...) output_log(LOG_WARNING, pr_prefix __VA_ARGS__)
#define pr_notice(...) output_log(LOG_NOTICE, pr_prefix __VA_ARGS__)
#define pr_info(...) output_log(LOG_INFO, pr_prefix __VA_ARGS__)
#define pr_dbg(...) output_log(LOG_DEBUG, pr_prefix __VA_ARGS__)
#endif /* __LOG_H__ */