hwpmc_core.h revision 185363
1/*- 2 * Copyright (c) 2008 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/dev/hwpmc/hwpmc_core.h 185363 2008-11-27 09:00:47Z jkoshy $ 27 */ 28 29#ifndef _DEV_HWPMC_CORE_H_ 30#define _DEV_HWPMC_CORE_H_ 1 31 32/* 33 * Fixed-function PMCs. 34 */ 35struct pmc_md_iaf_op_pmcallocate { 36 uint16_t pm_iaf_flags; /* additional flags */ 37}; 38 39#define IAF_OS 0x1 40#define IAF_USR 0x2 41#define IAF_ANY 0x4 42#define IAF_PMI 0x8 43 44/* 45 * Programmable PMCs. 46 */ 47struct pmc_md_iap_op_pmcallocate { 48 uint32_t pm_iap_config; 49}; 50 51#define IAP_EVSEL(C) ((C) & 0xFF) 52#define IAP_UMASK(C) ((C) & 0xFF00) 53#define IAP_USR (1 << 16) 54#define IAP_OS (1 << 17) 55#define IAP_EDGE (1 << 18) 56#define IAP_INT (1 << 20) 57#define IAP_ANY (1 << 21) 58#define IAP_EN (1 << 22) 59#define IAP_INV (1 << 23) 60#define IAP_CMASK(C) (((C) & 0xFF) << 24) 61 62#ifdef _KERNEL 63 64/* 65 * Fixed-function counters. 66 */ 67#define IAF_MASK 0xF 68 69#define IAF_CTR0 0x309 70#define IAF_CTR1 0x30A 71#define IAF_CTR2 0x30B 72 73#define IAF_OFFSET 32 74#define IAF_CTRL 0x38D 75 76/* 77 * Programmable counters. 78 */ 79#define IAP_PMC0 0x0C1 80#define IAP_PMC1 0x0C2 81 82#define IAP_EVSEL0 0x186 83#define IAP_EVSEL1 0x187 84 85/* 86 * Simplified programming interface in Intel Performance Architecture 87 * v2 and later. 88 */ 89#define IA_GLOBAL_STATUS 0x38E 90#define IA_GLOBAL_CTRL 0x38F 91#define IA_GLOBAL_OVF_CTRL 0x390 92 93#define IA_GLOBAL_STATUS_FLAG_CONDCHG (1ULL << 63) 94#define IA_GLOBAL_STATUS_FLAG_OVFBUF (1ULL << 62) 95 96struct pmc_md_iaf_pmc { 97 uint64_t pm_iaf_ctrl; 98}; 99 100struct pmc_md_iap_pmc { 101 uint32_t pm_iap_evsel; 102}; 103 104/* 105 * Prototypes. 106 */ 107 108int pmc_core_initialize(struct pmc_mdep *_md, int _maxcpu); 109void pmc_core_finalize(struct pmc_mdep *_md); 110 111void pmc_core_mark_started(int _cpu, int _pmc); 112 113int pmc_iaf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width); 114void pmc_iaf_finalize(struct pmc_mdep *_md); 115 116int pmc_iap_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width, 117 int _flags); 118void pmc_iap_finalize(struct pmc_mdep *_md); 119 120#endif /* _KERNEL */ 121#endif /* _DEV_HWPMC_CORE_H */ 122