1145256Sjkoshy/*- 2145256Sjkoshy * Copyright (c) 2003,2004 Joseph Koshy 3145256Sjkoshy * All rights reserved. 4145256Sjkoshy * 5145256Sjkoshy * Redistribution and use in source and binary forms, with or without 6145256Sjkoshy * modification, are permitted provided that the following conditions 7145256Sjkoshy * are met: 8145256Sjkoshy * 1. Redistributions of source code must retain the above copyright 9145256Sjkoshy * notice, this list of conditions and the following disclaimer. 10145256Sjkoshy * 2. Redistributions in binary form must reproduce the above copyright 11145256Sjkoshy * notice, this list of conditions and the following disclaimer in the 12145256Sjkoshy * documentation and/or other materials provided with the distribution. 13145256Sjkoshy * 14145256Sjkoshy * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15145256Sjkoshy * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16145256Sjkoshy * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17145256Sjkoshy * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18145256Sjkoshy * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19145256Sjkoshy * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20145256Sjkoshy * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21145256Sjkoshy * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22145256Sjkoshy * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23145256Sjkoshy * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24145256Sjkoshy * SUCH DAMAGE. 25145256Sjkoshy * 26145256Sjkoshy * $FreeBSD$ 27145256Sjkoshy */ 28145256Sjkoshy 29145256Sjkoshy#ifndef _PMC_H_ 30145256Sjkoshy#define _PMC_H_ 31145256Sjkoshy 32190395Sfabient#include <sys/cdefs.h> 33145256Sjkoshy#include <sys/pmc.h> 34145256Sjkoshy 35145256Sjkoshy/* 36147191Sjkoshy * Driver statistics. 37147191Sjkoshy */ 38147191Sjkoshystruct pmc_driverstats { 39147191Sjkoshy int pm_intr_ignored; /* #interrupts ignored */ 40147191Sjkoshy int pm_intr_processed; /* #interrupts processed */ 41147191Sjkoshy int pm_intr_bufferfull; /* #interrupts with ENOSPC */ 42147191Sjkoshy int pm_syscalls; /* #syscalls */ 43147191Sjkoshy int pm_syscall_errors; /* #syscalls with errors */ 44147191Sjkoshy int pm_buffer_requests; /* #buffer requests */ 45147191Sjkoshy int pm_buffer_requests_failed; /* #failed buffer requests */ 46147191Sjkoshy int pm_log_sweeps; /* #sample buffer processing passes */ 47147191Sjkoshy}; 48147191Sjkoshy 49147191Sjkoshy/* 50147191Sjkoshy * CPU information. 51147191Sjkoshy */ 52147191Sjkoshystruct pmc_cpuinfo { 53147191Sjkoshy enum pmc_cputype pm_cputype; /* the kind of CPU */ 54147191Sjkoshy uint32_t pm_ncpu; /* number of CPUs */ 55147191Sjkoshy uint32_t pm_npmc; /* #PMCs per CPU */ 56147191Sjkoshy uint32_t pm_nclass; /* #classes of PMCs */ 57147191Sjkoshy struct pmc_classinfo pm_classes[PMC_CLASS_MAX]; 58147191Sjkoshy}; 59147191Sjkoshy 60147191Sjkoshy/* 61147191Sjkoshy * Current PMC state. 62147191Sjkoshy */ 63147191Sjkoshystruct pmc_pmcinfo { 64147191Sjkoshy int32_t pm_cpu; /* CPU number */ 65147191Sjkoshy struct pmc_info pm_pmcs[]; /* NPMC structs */ 66147191Sjkoshy}; 67147191Sjkoshy 68147191Sjkoshy/* 69145256Sjkoshy * Prototypes 70145256Sjkoshy */ 71145256Sjkoshy 72190395Sfabient__BEGIN_DECLS 73145256Sjkoshyint pmc_allocate(const char *_ctrspec, enum pmc_mode _mode, uint32_t _flags, 74145256Sjkoshy int _cpu, pmc_id_t *_pmcid); 75145256Sjkoshyint pmc_attach(pmc_id_t _pmcid, pid_t _pid); 76145774Sjkoshyint pmc_capabilities(pmc_id_t _pmc, uint32_t *_caps); 77145256Sjkoshyint pmc_configure_logfile(int _fd); 78147191Sjkoshyint pmc_flush_logfile(void); 79226514Sfabientint pmc_close_logfile(void); 80145256Sjkoshyint pmc_detach(pmc_id_t _pmcid, pid_t _pid); 81145256Sjkoshyint pmc_disable(int _cpu, int _pmc); 82145256Sjkoshyint pmc_enable(int _cpu, int _pmc); 83147191Sjkoshyint pmc_get_driver_stats(struct pmc_driverstats *_gms); 84147191Sjkoshyint pmc_get_msr(pmc_id_t _pmc, uint32_t *_msr); 85145256Sjkoshyint pmc_init(void); 86145256Sjkoshyint pmc_read(pmc_id_t _pmc, pmc_value_t *_value); 87145256Sjkoshyint pmc_release(pmc_id_t _pmc); 88145256Sjkoshyint pmc_rw(pmc_id_t _pmc, pmc_value_t _newvalue, pmc_value_t *_oldvalue); 89145256Sjkoshyint pmc_set(pmc_id_t _pmc, pmc_value_t _value); 90145256Sjkoshyint pmc_start(pmc_id_t _pmc); 91145256Sjkoshyint pmc_stop(pmc_id_t _pmc); 92145774Sjkoshyint pmc_width(pmc_id_t _pmc, uint32_t *_width); 93145256Sjkoshyint pmc_write(pmc_id_t _pmc, pmc_value_t _value); 94147191Sjkoshyint pmc_writelog(uint32_t _udata); 95145256Sjkoshy 96145256Sjkoshyint pmc_ncpu(void); 97145256Sjkoshyint pmc_npmc(int _cpu); 98147191Sjkoshyint pmc_cpuinfo(const struct pmc_cpuinfo **_cpu_info); 99147191Sjkoshyint pmc_pmcinfo(int _cpu, struct pmc_pmcinfo **_pmc_info); 100145256Sjkoshy 101233321Sjkoshyconst char *pmc_name_of_capability(enum pmc_caps _c); 102145256Sjkoshyconst char *pmc_name_of_class(enum pmc_class _pc); 103145256Sjkoshyconst char *pmc_name_of_cputype(enum pmc_cputype _cp); 104145256Sjkoshyconst char *pmc_name_of_disposition(enum pmc_disp _pd); 105145256Sjkoshyconst char *pmc_name_of_event(enum pmc_event _pe); 106145256Sjkoshyconst char *pmc_name_of_mode(enum pmc_mode _pm); 107145256Sjkoshyconst char *pmc_name_of_state(enum pmc_state _ps); 108145256Sjkoshy 109145256Sjkoshyint pmc_event_names_of_class(enum pmc_class _cl, const char ***_eventnames, 110145256Sjkoshy int *_nevents); 111190395Sfabient__END_DECLS 112145256Sjkoshy 113145256Sjkoshy#endif 114