trace.h

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/* SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright(c) 2018 Intel Corporation. All rights reserved.
 *
 * Author: Bartosz Kokoszko <bartoszx.kokoszko@linux.intel.com>
 *         Artur Kloniecki <arturx.kloniecki@linux.intel.com>
 */
 
#ifndef __USER_TRACE_H__
#define __USER_TRACE_H__
 
#include <stdint.h>
 
/* trace event classes - high 8 bits*/
#define TRACE_CLASS_DEPRECATED  (0)
 
#define LOG_ENABLE      1  /* Enable logging */
#define LOG_DISABLE     0  /* Disable logging */
 
#define LOG_LEVEL_CRITICAL  1  /* (FDK fatal) */
#define LOG_LEVEL_ERROR     LOG_LEVEL_CRITICAL
#define LOG_LEVEL_WARNING   2
#define LOG_LEVEL_INFO      3
#define LOG_LEVEL_DEBUG     4
#define LOG_LEVEL_VERBOSE   LOG_LEVEL_DEBUG
 
#define TRACE_ID_LENGTH 12 /* bit field length */
 
/*
 *  Log entry protocol header.
 *
 * The header is followed by an array of arguments (uint32_t[]).
 * Number of arguments is specified by the params_num field of log_entry
 */
struct log_entry_header {
    uint32_t uid;
    uint32_t id_0 : TRACE_ID_LENGTH; /* e.g. Pipeline ID */
    uint32_t id_1 : TRACE_ID_LENGTH; /* e.g. Component ID */
    uint32_t core_id : 8;        /* Reporting core's id */
 
    uint64_t timestamp;      /* Timestamp (in dsp ticks) */
    uint32_t log_entry_address;  /* Address of log entry in ELF */
} __attribute__((packed));
 
#endif /* __USER_TRACE_H__ */