1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2005, Joseph Koshy 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * 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 AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 /* Machine dependent interfaces */ 32 33 #ifndef _DEV_HWPMC_AMD_H_ 34 #define _DEV_HWPMC_AMD_H_ 1 35 36 /* AMD K7 and K8 PMCs */ 37 38 #define AMD_PMC_EVSEL_0 0xC0010000 39 #define AMD_PMC_EVSEL_1 0xC0010001 40 #define AMD_PMC_EVSEL_2 0xC0010002 41 #define AMD_PMC_EVSEL_3 0xC0010003 42 43 #define AMD_PMC_PERFCTR_0 0xC0010004 44 #define AMD_PMC_PERFCTR_1 0xC0010005 45 #define AMD_PMC_PERFCTR_2 0xC0010006 46 #define AMD_PMC_PERFCTR_3 0xC0010007 47 48 49 #define AMD_NPMCS 4 50 51 #define AMD_PMC_COUNTERMASK 0xFF000000 52 #define AMD_PMC_TO_COUNTER(x) (((x) << 24) & AMD_PMC_COUNTERMASK) 53 #define AMD_PMC_INVERT (1 << 23) 54 #define AMD_PMC_ENABLE (1 << 22) 55 #define AMD_PMC_INT (1 << 20) 56 #define AMD_PMC_PC (1 << 19) 57 #define AMD_PMC_EDGE (1 << 18) 58 #define AMD_PMC_OS (1 << 17) 59 #define AMD_PMC_USR (1 << 16) 60 61 #define AMD_PMC_UNITMASK_M 0x10 62 #define AMD_PMC_UNITMASK_O 0x08 63 #define AMD_PMC_UNITMASK_E 0x04 64 #define AMD_PMC_UNITMASK_S 0x02 65 #define AMD_PMC_UNITMASK_I 0x01 66 #define AMD_PMC_UNITMASK_MOESI 0x1F 67 68 #define AMD_PMC_UNITMASK 0xFF00 69 #define AMD_PMC_EVENTMASK 0xF000000FF 70 71 #define AMD_PMC_TO_UNITMASK(x) (((x) << 8) & AMD_PMC_UNITMASK) 72 #define AMD_PMC_TO_EVENTMASK(x) (((x) & 0xFF) | (((uint64_t)(x) & 0xF00) << 24)) 73 #define AMD_VALID_BITS (AMD_PMC_COUNTERMASK | AMD_PMC_INVERT | \ 74 AMD_PMC_ENABLE | AMD_PMC_INT | AMD_PMC_PC | AMD_PMC_EDGE | \ 75 AMD_PMC_OS | AMD_PMC_USR | AMD_PMC_UNITMASK | AMD_PMC_EVENTMASK) 76 77 #define AMD_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \ 78 PMC_CAP_SYSTEM | PMC_CAP_EDGE | PMC_CAP_THRESHOLD | \ 79 PMC_CAP_READ | PMC_CAP_WRITE | PMC_CAP_INVERT | PMC_CAP_QUALIFIER) 80 81 #define AMD_PMC_IS_STOPPED(evsel) ((rdmsr((evsel)) & AMD_PMC_ENABLE) == 0) 82 #define AMD_PMC_HAS_OVERFLOWED(pmc) ((rdpmc(pmc) & (1ULL << 47)) == 0) 83 84 #define AMD_RELOAD_COUNT_TO_PERFCTR_VALUE(V) (-(V)) 85 #define AMD_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (-(P)) 86 87 struct pmc_md_amd_op_pmcallocate { 88 uint32_t pm_amd_config; 89 }; 90 91 #ifdef _KERNEL 92 93 /* MD extension for 'struct pmc' */ 94 struct pmc_md_amd_pmc { 95 uint32_t pm_amd_evsel; 96 }; 97 98 #endif /* _KERNEL */ 99 #endif /* _DEV_HWPMC_AMD_H_ */ 100