cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nx_dbg.h (2765B)

      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_ */