mirror of
https://github.com/anrieff/libcpuid
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140 lines
5 KiB
C
140 lines
5 KiB
C
/*
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* Copyright 2008 Veselin Georgiev,
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* anrieffNOSPAM @ mgail_DOT.com (convert to gmail)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LIBCPUID_UTIL_H__
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#define __LIBCPUID_UTIL_H__
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#include "libcpuid_internal.h"
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#define COUNT_OF(array) (sizeof(array) / sizeof(array[0]))
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#define UNUSED(x) (void)(x)
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struct feature_map_t {
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unsigned bit;
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cpu_feature_t feature;
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};
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void match_features(const struct feature_map_t* matchtable, int count,
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uint32_t reg, struct cpu_id_t* data);
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struct match_entry_t {
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int family, model, stepping, ext_family, ext_model;
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int ncores, l2cache, l3cache, brand_code;
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uint64_t model_bits;
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int model_code;
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char name[CODENAME_STR_MAX];
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};
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// returns the match score:
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int match_cpu_codename(const struct match_entry_t* matchtable, int count,
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struct cpu_id_t* data, int brand_code, uint64_t bits,
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int model_code);
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void warnf(const char* format, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 1, 2)))
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#endif
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;
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void debugf(int verboselevel, const char* format, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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void generic_get_cpu_list(const struct match_entry_t* matchtable, int count,
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struct cpu_list_t* list);
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/*
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* Seek for a pattern in `haystack'.
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* Pattern may be an fixed string, or contain the special metacharacters
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* '.' - match any single character
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* '#' - match any digit
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* '[<chars>] - match any of the given chars (regex-like ranges are not
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* supported)
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* Return val: 0 if the pattern is not found. Nonzero if it is found (actually,
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* x + 1 where x is the index where the match is found).
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*/
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int match_pattern(const char* haystack, const char* pattern);
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/*
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* Gets an initialized cpu_id_t. It is cached, so that internal libcpuid
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* machinery doesn't need to issue cpu_identify more than once.
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*/
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struct cpu_id_t* get_cached_cpuid(void);
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/* returns true if all bits of mask are present in `bits'. */
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int match_all(uint64_t bits, uint64_t mask);
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/* print what bits a mask consists of */
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void debug_print_lbits(int debuglevel, uint64_t mask);
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/*
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* Sets the current errno
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*/
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int cpuid_set_error(cpu_error_t err);
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/*
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* Gets the current errno
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*/
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int cpuid_get_error(void);
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extern libcpuid_warn_fn_t _warn_fun;
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extern int _current_verboselevel;
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/*
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* Manage cpu_affinity_mask_t type
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*/
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/* initialize affinity_mask */
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void init_affinity_mask(cpu_affinity_mask_t *affinity_mask);
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/* copy one affinity_mask to another one */
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void copy_affinity_mask(cpu_affinity_mask_t *dest_affinity_mask, cpu_affinity_mask_t *src_affinity_mask);
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/* set bit corresponding to 'logical_cpu' to '1' */
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void set_affinity_mask_bit(logical_cpu_t logical_cpu, cpu_affinity_mask_t *affinity_mask);
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/* get bit corresponding to 'logical_cpu' */
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bool get_affinity_mask_bit(logical_cpu_t logical_cpu, cpu_affinity_mask_t *affinity_mask);
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/* set bit corresponding to 'logical_cpu' to '0' */
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void clear_affinity_mask_bit(logical_cpu_t logical_cpu, cpu_affinity_mask_t *affinity_mask);
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/* assign cache values in cpu_id_t type */
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void assign_cache_data(uint8_t on, cache_type_t cache, int size, int assoc, int linesize, struct cpu_id_t* data);
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/* generic way to retrieve core count for x86 CPUs */
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void decode_number_of_cores_x86(struct cpu_raw_data_t* raw, struct cpu_id_t* data);
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/* generic way to retrieve cache topology for x86 CPUs */
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void decode_deterministic_cache_info_x86(uint32_t cache_regs[][NUM_REGS],
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uint8_t subleaf_count,
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struct cpu_id_t* data,
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struct internal_id_info_t* internal);
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/* generic way to get microarchitecture levels for x86 CPUs */
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void decode_architecture_version_x86(struct cpu_id_t* data);
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#endif /* __LIBCPUID_UTIL_H__ */
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