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
16 extern FILE * nx_gzip_log;
17 extern int nx_gzip_trace;
18 extern unsigned int nx_gzip_inflate_impl;
19 extern unsigned int nx_gzip_deflate_impl;
20 extern unsigned int nx_gzip_inflate_flags;
21 extern unsigned int nx_gzip_deflate_flags;
22
23 extern int nx_dbg;
24 pthread_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 */
92 uint64_t str_to_num(char *str);
93 void nx_lib_debug(int onoff);
94
95 #endif /* _NXU_DBG_H_ */
96
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