ClickHouse/contrib/libcpuid/include/cpuid/libcpuid_util.h

88 lines
3.1 KiB
C++

/*
* Copyright 2008 Veselin Georgiev,
* anrieffNOSPAM @ mgail_DOT.com (convert to gmail)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __LIBCPUID_UTIL_H__
#define __LIBCPUID_UTIL_H__
#define COUNT_OF(array) (sizeof(array) / sizeof(array[0]))
struct feature_map_t {
unsigned bit;
cpu_feature_t feature;
};
void match_features(const struct feature_map_t* matchtable, int count,
uint32_t reg, struct cpu_id_t* data);
struct match_entry_t {
int family, model, stepping, ext_family, ext_model;
int ncores, l2cache, l3cache, brand_code, model_code;
char name[32];
};
void match_cpu_codename(const struct match_entry_t* matchtable, int count,
struct cpu_id_t* data, int brand_code, int model_code);
void warnf(const char* format, ...)
#ifdef __GNUC__
__attribute__((format(printf, 1, 2)))
#endif
;
void debugf(int verboselevel, const char* format, ...)
#ifdef __GNUC__
__attribute__((format(printf, 2, 3)))
#endif
;
void generic_get_cpu_list(const struct match_entry_t* matchtable, int count,
struct cpu_list_t* list);
/*
* Seek for a pattern in `haystack'.
* Pattern may be an fixed string, or contain the special metacharacters
* '.' - match any single character
* '#' - match any digit
* '[<chars>] - match any of the given chars (regex-like ranges are not
* supported)
* Return val: 0 if the pattern is not found. Nonzero if it is found (actually,
* x + 1 where x is the index where the match is found).
*/
int match_pattern(const char* haystack, const char* pattern);
/*
* Gets an initialized cpu_id_t. It is cached, so that internal libcpuid
* machinery doesn't need to issue cpu_identify more than once.
*/
struct cpu_id_t* get_cached_cpuid(void);
/*
* Sets the current errno
*/
int set_error(cpu_error_t err);
extern libcpuid_warn_fn_t _warn_fun;
extern int _current_verboselevel;
#endif /* __LIBCPUID_UTIL_H__ */