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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
1000 B
C
48 lines
1000 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* pmc.h
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* Copyright (C) 2004 David Gibson, IBM Corporation
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*/
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#ifndef _POWERPC_PMC_H
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#define _POWERPC_PMC_H
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#ifdef __KERNEL__
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#include <asm/ptrace.h>
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typedef void (*perf_irq_t)(struct pt_regs *);
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extern perf_irq_t perf_irq;
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int reserve_pmc_hardware(perf_irq_t new_perf_irq);
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void release_pmc_hardware(void);
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void ppc_enable_pmcs(void);
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#ifdef CONFIG_PPC_BOOK3S_64
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#include <asm/lppaca.h>
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#include <asm/firmware.h>
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static inline void ppc_set_pmu_inuse(int inuse)
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{
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#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_BOOK3S_HV_POSSIBLE)
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if (firmware_has_feature(FW_FEATURE_LPAR)) {
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#ifdef CONFIG_PPC_PSERIES
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get_lppaca()->pmcregs_in_use = inuse;
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#endif
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} else {
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#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
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get_paca()->pmcregs_in_use = inuse;
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#endif
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}
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#endif
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}
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extern void power4_enable_pmcs(void);
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#else /* CONFIG_PPC64 */
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static inline void ppc_set_pmu_inuse(int inuse) { }
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#endif
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#endif /* __KERNEL__ */
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#endif /* _POWERPC_PMC_H */
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