1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright 2020 IBM Corporation
 4 *
 5 */
 6
 7#ifndef _NXU_DBG_H_
 8#define _NXU_DBG_H_
 9
10#include <sys/file.h>
11#include <stdint.h>
12#include <stdio.h>
13#include <time.h>
14#include <pthread.h>
15
16extern FILE * nx_gzip_log;
17extern int nx_gzip_trace;
18extern unsigned int nx_gzip_inflate_impl;
19extern unsigned int nx_gzip_deflate_impl;
20extern unsigned int nx_gzip_inflate_flags;
21extern unsigned int nx_gzip_deflate_flags;
22
23extern int nx_dbg;
24pthread_mutex_t mutex_log;
25
26#define nx_gzip_trace_enabled()       (nx_gzip_trace & 0x1)
27#define nx_gzip_hw_trace_enabled()    (nx_gzip_trace & 0x2)
28#define nx_gzip_sw_trace_enabled()    (nx_gzip_trace & 0x4)
29#define nx_gzip_gather_statistics()   (nx_gzip_trace & 0x8)
30#define nx_gzip_per_stream_stat()     (nx_gzip_trace & 0x10)
31
32#define prt(fmt, ...) do { \
33	pthread_mutex_lock(&mutex_log);					\
34	flock(nx_gzip_log->_fileno, LOCK_EX);				\
35	time_t t; struct tm *m; time(&t); m = localtime(&t);		\
36	fprintf(nx_gzip_log, "[%04d/%02d/%02d %02d:%02d:%02d] "		\
37		"pid %d: " fmt,	\
38		(int)m->tm_year + 1900, (int)m->tm_mon+1, (int)m->tm_mday, \
39		(int)m->tm_hour, (int)m->tm_min, (int)m->tm_sec,	\
40		(int)getpid(), ## __VA_ARGS__);				\
41	fflush(nx_gzip_log);						\
42	flock(nx_gzip_log->_fileno, LOCK_UN);				\
43	pthread_mutex_unlock(&mutex_log);				\
44} while (0)
45
46/* Use in case of an error */
47#define prt_err(fmt, ...) do { if (nx_dbg >= 0) {			\
48	prt("%s:%u: Error: "fmt,					\
49		__FILE__, __LINE__, ## __VA_ARGS__);			\
50}} while (0)
51
52/* Use in case of an warning */
53#define prt_warn(fmt, ...) do {	if (nx_dbg >= 1) {			\
54	prt("%s:%u: Warning: "fmt,					\
55		__FILE__, __LINE__, ## __VA_ARGS__);			\
56}} while (0)
57
58/* Informational printouts */
59#define prt_info(fmt, ...) do {	if (nx_dbg >= 2) {			\
60	prt("Info: "fmt, ## __VA_ARGS__);				\
61}} while (0)
62
63/* Trace zlib wrapper code */
64#define prt_trace(fmt, ...) do { if (nx_gzip_trace_enabled()) {		\
65	prt("### "fmt, ## __VA_ARGS__);					\
66}} while (0)
67
68/* Trace statistics */
69#define prt_stat(fmt, ...) do {	if (nx_gzip_gather_statistics()) {	\
70	prt("### "fmt, ## __VA_ARGS__);					\
71}} while (0)
72
73/* Trace zlib hardware implementation */
74#define hw_trace(fmt, ...) do {						\
75		if (nx_gzip_hw_trace_enabled())				\
76			fprintf(nx_gzip_log, "hhh " fmt, ## __VA_ARGS__); \
77	} while (0)
78
79/* Trace zlib software implementation */
80#define sw_trace(fmt, ...) do {						\
81		if (nx_gzip_sw_trace_enabled())				\
82			fprintf(nx_gzip_log, "sss " fmt, ## __VA_ARGS__); \
83	} while (0)
84
85
86/**
87 * str_to_num - Convert string into number and copy with endings like
88 *              KiB for kilobyte
89 *              MiB for megabyte
90 *              GiB for gigabyte
91 */
92uint64_t str_to_num(char *str);
93void nx_lib_debug(int onoff);
94
95#endif	/* _NXU_DBG_H_ */