1/* 2 * pmc.h 3 * Copyright (C) 2001 Dave Engebretsen & Mike Corrigan IBM Corporation. 4 * 5 * The PPC64 PMC subsystem encompases both the hardware PMC registers and 6 * a set of software event counters. An interface is provided via the 7 * proc filesystem which can be used to access this subsystem. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24/* Start Change Log 25 * 2001/06/05 : engebret : Created. 26 * End Change Log 27 */ 28 29#ifndef _PPC64_TYPES_H 30#include <asm/types.h> 31#endif 32 33#ifndef _PMC_H 34#define _PMC_H 35 36#define STAB_ENTRY_MAX 64 37 38struct _pmc_hw 39{ 40 u64 mmcr0; 41 u64 mmcr1; 42 u64 mmcra; 43 44 u64 pmc1; 45 u64 pmc2; 46 u64 pmc3; 47 u64 pmc4; 48 u64 pmc5; 49 u64 pmc6; 50 u64 pmc7; 51 u64 pmc8; 52}; 53 54struct _pmc_sw 55{ 56 u64 stab_faults; /* Count of faults on the stab */ 57 u64 stab_capacity_castouts;/* Count of castouts from the stab */ 58 u64 stab_invalidations; /* Count of invalidations from the */ 59 /* stab, not including castouts */ 60 u64 stab_entry_use[STAB_ENTRY_MAX]; 61 62 u64 htab_primary_overflows; 63 u64 htab_capacity_castouts; 64 u64 htab_read_to_write_fault; 65}; 66 67#define PMC_HW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_hw) / sizeof(u64)) 68#define PMC_SW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_sw) / sizeof(u64)) 69#define PMC_TEXT_ENTRY_SIZE 64 70 71struct _pmc_sw_text { 72 char buffer[PMC_SW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE]; 73}; 74 75struct _pmc_hw_text { 76 char buffer[PMC_HW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE]; 77}; 78 79extern struct _pmc_sw pmc_sw_system; 80extern struct _pmc_sw pmc_sw_cpu[]; 81 82extern struct _pmc_sw_text pmc_sw_text; 83extern struct _pmc_hw_text pmc_hw_text; 84extern char *ppc64_pmc_stab(int file); 85extern char *ppc64_pmc_htab(int file); 86extern char *ppc64_pmc_hw(int file); 87 88void *btmalloc(unsigned long size); 89void btfree(void *addr); 90 91#define PMC_SW_PROCESSOR(F) pmc_sw_cpu[smp_processor_id()].F++ 92#define PMC_SW_PROCESSOR_A(F, E) (pmc_sw_cpu[smp_processor_id()].F[(E)])++ 93#define PMC_SW_SYSTEM(F) pmc_sw_system.F++ 94 95#define PMC_CONTROL_CPI 1 96#define PMC_CONTROL_TLB 2 97 98/* To find an entry in the bolted page-table-directory */ 99#define pgd_offset_b(address) (bolted_pgd + pgd_index(address)) 100#define BTMALLOC_START 0xB000000000000000 101#define BTMALLOC_END 0xB0000000ffffffff /* 4 GB Max-more or less arbitrary */ 102 103#endif /* _PMC_H */ 104