hwpmc_core.h revision 185363
1185363Sjkoshy/*- 2185363Sjkoshy * Copyright (c) 2008 Joseph Koshy 3185363Sjkoshy * All rights reserved. 4185363Sjkoshy * 5185363Sjkoshy * Redistribution and use in source and binary forms, with or without 6185363Sjkoshy * modification, are permitted provided that the following conditions 7185363Sjkoshy * are met: 8185363Sjkoshy * 1. Redistributions of source code must retain the above copyright 9185363Sjkoshy * notice, this list of conditions and the following disclaimer. 10185363Sjkoshy * 2. Redistributions in binary form must reproduce the above copyright 11185363Sjkoshy * notice, this list of conditions and the following disclaimer in the 12185363Sjkoshy * documentation and/or other materials provided with the distribution. 13185363Sjkoshy * 14185363Sjkoshy * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15185363Sjkoshy * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16185363Sjkoshy * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17185363Sjkoshy * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18185363Sjkoshy * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19185363Sjkoshy * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20185363Sjkoshy * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21185363Sjkoshy * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22185363Sjkoshy * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23185363Sjkoshy * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24185363Sjkoshy * SUCH DAMAGE. 25185363Sjkoshy * 26185363Sjkoshy * $FreeBSD: head/sys/dev/hwpmc/hwpmc_core.h 185363 2008-11-27 09:00:47Z jkoshy $ 27185363Sjkoshy */ 28185363Sjkoshy 29185363Sjkoshy#ifndef _DEV_HWPMC_CORE_H_ 30185363Sjkoshy#define _DEV_HWPMC_CORE_H_ 1 31185363Sjkoshy 32185363Sjkoshy/* 33185363Sjkoshy * Fixed-function PMCs. 34185363Sjkoshy */ 35185363Sjkoshystruct pmc_md_iaf_op_pmcallocate { 36185363Sjkoshy uint16_t pm_iaf_flags; /* additional flags */ 37185363Sjkoshy}; 38185363Sjkoshy 39185363Sjkoshy#define IAF_OS 0x1 40185363Sjkoshy#define IAF_USR 0x2 41185363Sjkoshy#define IAF_ANY 0x4 42185363Sjkoshy#define IAF_PMI 0x8 43185363Sjkoshy 44185363Sjkoshy/* 45185363Sjkoshy * Programmable PMCs. 46185363Sjkoshy */ 47185363Sjkoshystruct pmc_md_iap_op_pmcallocate { 48185363Sjkoshy uint32_t pm_iap_config; 49185363Sjkoshy}; 50185363Sjkoshy 51185363Sjkoshy#define IAP_EVSEL(C) ((C) & 0xFF) 52185363Sjkoshy#define IAP_UMASK(C) ((C) & 0xFF00) 53185363Sjkoshy#define IAP_USR (1 << 16) 54185363Sjkoshy#define IAP_OS (1 << 17) 55185363Sjkoshy#define IAP_EDGE (1 << 18) 56185363Sjkoshy#define IAP_INT (1 << 20) 57185363Sjkoshy#define IAP_ANY (1 << 21) 58185363Sjkoshy#define IAP_EN (1 << 22) 59185363Sjkoshy#define IAP_INV (1 << 23) 60185363Sjkoshy#define IAP_CMASK(C) (((C) & 0xFF) << 24) 61185363Sjkoshy 62185363Sjkoshy#ifdef _KERNEL 63185363Sjkoshy 64185363Sjkoshy/* 65185363Sjkoshy * Fixed-function counters. 66185363Sjkoshy */ 67185363Sjkoshy#define IAF_MASK 0xF 68185363Sjkoshy 69185363Sjkoshy#define IAF_CTR0 0x309 70185363Sjkoshy#define IAF_CTR1 0x30A 71185363Sjkoshy#define IAF_CTR2 0x30B 72185363Sjkoshy 73185363Sjkoshy#define IAF_OFFSET 32 74185363Sjkoshy#define IAF_CTRL 0x38D 75185363Sjkoshy 76185363Sjkoshy/* 77185363Sjkoshy * Programmable counters. 78185363Sjkoshy */ 79185363Sjkoshy#define IAP_PMC0 0x0C1 80185363Sjkoshy#define IAP_PMC1 0x0C2 81185363Sjkoshy 82185363Sjkoshy#define IAP_EVSEL0 0x186 83185363Sjkoshy#define IAP_EVSEL1 0x187 84185363Sjkoshy 85185363Sjkoshy/* 86185363Sjkoshy * Simplified programming interface in Intel Performance Architecture 87185363Sjkoshy * v2 and later. 88185363Sjkoshy */ 89185363Sjkoshy#define IA_GLOBAL_STATUS 0x38E 90185363Sjkoshy#define IA_GLOBAL_CTRL 0x38F 91185363Sjkoshy#define IA_GLOBAL_OVF_CTRL 0x390 92185363Sjkoshy 93185363Sjkoshy#define IA_GLOBAL_STATUS_FLAG_CONDCHG (1ULL << 63) 94185363Sjkoshy#define IA_GLOBAL_STATUS_FLAG_OVFBUF (1ULL << 62) 95185363Sjkoshy 96185363Sjkoshystruct pmc_md_iaf_pmc { 97185363Sjkoshy uint64_t pm_iaf_ctrl; 98185363Sjkoshy}; 99185363Sjkoshy 100185363Sjkoshystruct pmc_md_iap_pmc { 101185363Sjkoshy uint32_t pm_iap_evsel; 102185363Sjkoshy}; 103185363Sjkoshy 104185363Sjkoshy/* 105185363Sjkoshy * Prototypes. 106185363Sjkoshy */ 107185363Sjkoshy 108185363Sjkoshyint pmc_core_initialize(struct pmc_mdep *_md, int _maxcpu); 109185363Sjkoshyvoid pmc_core_finalize(struct pmc_mdep *_md); 110185363Sjkoshy 111185363Sjkoshyvoid pmc_core_mark_started(int _cpu, int _pmc); 112185363Sjkoshy 113185363Sjkoshyint pmc_iaf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width); 114185363Sjkoshyvoid pmc_iaf_finalize(struct pmc_mdep *_md); 115185363Sjkoshy 116185363Sjkoshyint pmc_iap_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width, 117185363Sjkoshy int _flags); 118185363Sjkoshyvoid pmc_iap_finalize(struct pmc_mdep *_md); 119185363Sjkoshy 120185363Sjkoshy#endif /* _KERNEL */ 121185363Sjkoshy#endif /* _DEV_HWPMC_CORE_H */ 122