hwpmc_core.h revision 206089
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 206089 2010-04-02 13:23:49Z fabient $ 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 uint32_t pm_iap_rsp; 50}; 51 52#define IAP_EVSEL(C) ((C) & 0xFF) 53#define IAP_UMASK(C) ((C) & 0xFF00) 54#define IAP_USR (1 << 16) 55#define IAP_OS (1 << 17) 56#define IAP_EDGE (1 << 18) 57#define IAP_INT (1 << 20) 58#define IAP_ANY (1 << 21) 59#define IAP_EN (1 << 22) 60#define IAP_INV (1 << 23) 61#define IAP_CMASK(C) (((C) & 0xFF) << 24) 62 63#define IA_OFFCORE_RSP_MASK 0xF7FF 64 65#ifdef _KERNEL 66 67/* 68 * Fixed-function counters. 69 */ 70#define IAF_MASK 0xF 71 72#define IAF_CTR0 0x309 73#define IAF_CTR1 0x30A 74#define IAF_CTR2 0x30B 75 76#define IAF_OFFSET 32 77#define IAF_CTRL 0x38D 78 79/* 80 * Programmable counters. 81 */ 82 83#define IAP_PMC0 0x0C1 84#define IAP_EVSEL0 0x186 85 86/* 87 * Simplified programming interface in Intel Performance Architecture 88 * v2 and later. 89 */ 90 91#define IA_GLOBAL_STATUS 0x38E 92#define IA_GLOBAL_CTRL 0x38F 93#define IA_GLOBAL_OVF_CTRL 0x390 94 95#define IA_GLOBAL_STATUS_FLAG_CONDCHG (1ULL << 63) 96#define IA_GLOBAL_STATUS_FLAG_OVFBUF (1ULL << 62) 97 98/* 99 * Offcore response configuration. 100 */ 101#define IA_OFFCORE_RSP0 0x1A6 102#define IA_OFFCORE_RSP1 0x1A7 103 104struct pmc_md_iaf_pmc { 105 uint64_t pm_iaf_ctrl; 106}; 107 108struct pmc_md_iap_pmc { 109 uint32_t pm_iap_evsel; 110 uint32_t pm_iap_rsp; 111}; 112 113/* 114 * Prototypes. 115 */ 116 117int pmc_core_initialize(struct pmc_mdep *_md, int _maxcpu); 118void pmc_core_finalize(struct pmc_mdep *_md); 119 120void pmc_core_mark_started(int _cpu, int _pmc); 121 122int pmc_iaf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width); 123void pmc_iaf_finalize(struct pmc_mdep *_md); 124 125int pmc_iap_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width, 126 int _flags); 127void pmc_iap_finalize(struct pmc_mdep *_md); 128 129#endif /* _KERNEL */ 130#endif /* _DEV_HWPMC_CORE_H */ 131