1 /* 2 * Copyright (c) 2013-2019, Intel Corporation 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * * Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * * Neither the name of Intel Corporation nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef PT_CPU_H 30 #define PT_CPU_H 31 32 struct pt_cpu; 33 34 /* Parses @s which should be of format family/model[/stepping] and 35 * stores the value in @cpu on success. 36 * The optional stepping defaults to 0 if omitted. 37 * 38 * Returns 0 on success. 39 * Returns -pte_invalid if @cpu or @s is NULL. 40 * Returns -pte_invalid if @s could not be parsed. 41 */ 42 extern int pt_cpu_parse(struct pt_cpu *cpu, const char *s); 43 44 /* Get the cpu we're running on. 45 * 46 * Reads the family/model/stepping of the processor on which this function 47 * is executed and stores the value in @cpu. 48 * 49 * Returns zero on success, a negative error code otherwise. 50 * Returns -pte_invalid if @cpu is NULL. 51 */ 52 extern int pt_cpu_read(struct pt_cpu *cpu); 53 54 #endif /* PT_CPU_H */ 55