174fe6c29SRuslan Bukin /* 2*85f87cf4SRuslan Bukin * Copyright (c) 2013-2019, Intel Corporation 374fe6c29SRuslan Bukin * 474fe6c29SRuslan Bukin * Redistribution and use in source and binary forms, with or without 574fe6c29SRuslan Bukin * modification, are permitted provided that the following conditions are met: 674fe6c29SRuslan Bukin * 774fe6c29SRuslan Bukin * * Redistributions of source code must retain the above copyright notice, 874fe6c29SRuslan Bukin * this list of conditions and the following disclaimer. 974fe6c29SRuslan Bukin * * Redistributions in binary form must reproduce the above copyright notice, 1074fe6c29SRuslan Bukin * this list of conditions and the following disclaimer in the documentation 1174fe6c29SRuslan Bukin * and/or other materials provided with the distribution. 1274fe6c29SRuslan Bukin * * Neither the name of Intel Corporation nor the names of its contributors 1374fe6c29SRuslan Bukin * may be used to endorse or promote products derived from this software 1474fe6c29SRuslan Bukin * without specific prior written permission. 1574fe6c29SRuslan Bukin * 1674fe6c29SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 1774fe6c29SRuslan Bukin * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1874fe6c29SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1974fe6c29SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2074fe6c29SRuslan Bukin * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2174fe6c29SRuslan Bukin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2274fe6c29SRuslan Bukin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2374fe6c29SRuslan Bukin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2474fe6c29SRuslan Bukin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2574fe6c29SRuslan Bukin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2674fe6c29SRuslan Bukin * POSSIBILITY OF SUCH DAMAGE. 2774fe6c29SRuslan Bukin */ 2874fe6c29SRuslan Bukin 2974fe6c29SRuslan Bukin #ifndef PT_CPU_H 3074fe6c29SRuslan Bukin #define PT_CPU_H 3174fe6c29SRuslan Bukin 3274fe6c29SRuslan Bukin struct pt_cpu; 3374fe6c29SRuslan Bukin 3474fe6c29SRuslan Bukin /* Parses @s which should be of format family/model[/stepping] and 3574fe6c29SRuslan Bukin * stores the value in @cpu on success. 3674fe6c29SRuslan Bukin * The optional stepping defaults to 0 if omitted. 3774fe6c29SRuslan Bukin * 3874fe6c29SRuslan Bukin * Returns 0 on success. 3974fe6c29SRuslan Bukin * Returns -pte_invalid if @cpu or @s is NULL. 4074fe6c29SRuslan Bukin * Returns -pte_invalid if @s could not be parsed. 4174fe6c29SRuslan Bukin */ 4274fe6c29SRuslan Bukin extern int pt_cpu_parse(struct pt_cpu *cpu, const char *s); 4374fe6c29SRuslan Bukin 4474fe6c29SRuslan Bukin /* Get the cpu we're running on. 4574fe6c29SRuslan Bukin * 4674fe6c29SRuslan Bukin * Reads the family/model/stepping of the processor on which this function 4774fe6c29SRuslan Bukin * is executed and stores the value in @cpu. 4874fe6c29SRuslan Bukin * 4974fe6c29SRuslan Bukin * Returns zero on success, a negative error code otherwise. 5074fe6c29SRuslan Bukin * Returns -pte_invalid if @cpu is NULL. 5174fe6c29SRuslan Bukin */ 5274fe6c29SRuslan Bukin extern int pt_cpu_read(struct pt_cpu *cpu); 5374fe6c29SRuslan Bukin 5474fe6c29SRuslan Bukin #endif /* PT_CPU_H */ 55