/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * pmc.h * Copyright (C) 2004 David Gibson, IBM Corporation */ #ifndef _POWERPC_PMC_H #define _POWERPC_PMC_H #ifdef __KERNEL__ #include <asm/ptrace.h> typedef void (*perf_irq_t)(struct pt_regs *); extern perf_irq_t perf_irq; int reserve_pmc_hardware(perf_irq_t new_perf_irq); void release_pmc_hardware(void); void ppc_enable_pmcs(void); #ifdef [31mCONFIG_PPC_BOOK3S_64[0m #include <asm/lppaca.h> #include <asm/firmware.h> static inline void ppc_set_pmu_inuse(int inuse) { #if defined([31mCONFIG_PPC_PSERIES[0m) || defined([31mCONFIG_KVM_BOOK3S_HV_POSSIBLE[0m) if (firmware_has_feature(FW_FEATURE_LPAR)) { #ifdef [31mCONFIG_PPC_PSERIES[0m get_lppaca()->pmcregs_in_use = inuse; #endif } #ifdef [31mCONFIG_KVM_BOOK3S_HV_POSSIBLE[0m get_paca()->pmcregs_in_use = inuse; #endif #endif } extern void power4_enable_pmcs(void); #else /* CONFIG_PPC64 */ static inline void ppc_set_pmu_inuse(int inuse) { } #endif #endif /* __KERNEL__ */ #endif /* _POWERPC_PMC_H */ |