Quelle  arm_pmuv3.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2012 ARM Ltd.
 */

#ifndef __ASM_PMUV3_H
#define __ASM_PMUV3_H

#include <asm/kvm_host.h>

#include <asm/cpufeature.h>
#include <asm/sysreg.h>

#define RETURN_READ_PMEVCNTRN(n) \
 return read_sysreg(pmevcntr##n##_el0)
static inline unsigned long read_pmevcntrn(int n)
{
 PMEVN_SWITCH(n, RETURN_READ_PMEVCNTRN);
 return 0;
}

#define WRITE_PMEVCNTRN(n) \
 write_sysreg(val, pmevcntr##n##_el0)
static inline void write_pmevcntrn(int n, unsigned long val)
{
 PMEVN_SWITCH(n, WRITE_PMEVCNTRN);
}

#define WRITE_PMEVTYPERN(n) \
 write_sysreg(val, pmevtyper##n##_el0)
static inline void write_pmevtypern(int n, unsigned long val)
{
 PMEVN_SWITCH(n, WRITE_PMEVTYPERN);
}

#define RETURN_READ_PMEVTYPERN(n) \
 return read_sysreg(pmevtyper##n##_el0)
static inline unsigned long read_pmevtypern(int n)
{
 PMEVN_SWITCH(n, RETURN_READ_PMEVTYPERN);
 return 0;
}

static inline unsigned long read_pmmir(void)
{
 return read_cpuid(PMMIR_EL1);
}

static inline u32 read_pmuver(void)
{
 u64 dfr0 = read_sysreg(id_aa64dfr0_el1);

 return cpuid_feature_extract_unsigned_field(dfr0,
   ID_AA64DFR0_EL1_PMUVer_SHIFT);
}

static inline bool pmuv3_has_icntr(void)
{
 u64 dfr1 = read_sysreg(id_aa64dfr1_el1);

 return !!cpuid_feature_extract_unsigned_field(dfr1,
   ID_AA64DFR1_EL1_PMICNTR_SHIFT);
}

static inline void write_pmcr(u64 val)
{
 write_sysreg(val, pmcr_el0);
}

static inline u64 read_pmcr(void)
{
 return read_sysreg(pmcr_el0);
}

static inline void write_pmselr(u32 val)
{
 write_sysreg(val, pmselr_el0);
}

static inline void write_pmccntr(u64 val)
{
 write_sysreg(val, pmccntr_el0);
}

static inline u64 read_pmccntr(void)
{
 return read_sysreg(pmccntr_el0);
}

static inline void write_pmicntr(u64 val)
{
 write_sysreg_s(val, SYS_PMICNTR_EL0);
}

static inline u64 read_pmicntr(void)
{
 return read_sysreg_s(SYS_PMICNTR_EL0);
}

static inline void write_pmcntenset(u64 val)
{
 write_sysreg(val, pmcntenset_el0);
}

static inline void write_pmcntenclr(u64 val)
{
 write_sysreg(val, pmcntenclr_el0);
}

static inline void write_pmintenset(u64 val)
{
 write_sysreg(val, pmintenset_el1);
}

static inline void write_pmintenclr(u64 val)
{
 write_sysreg(val, pmintenclr_el1);
}

static inline void write_pmccfiltr(u64 val)
{
 write_sysreg(val, pmccfiltr_el0);
}

static inline u64 read_pmccfiltr(void)
{
 return read_sysreg(pmccfiltr_el0);
}

static inline void write_pmicfiltr(u64 val)
{
 write_sysreg_s(val, SYS_PMICFILTR_EL0);
}

static inline u64 read_pmicfiltr(void)
{
 return read_sysreg_s(SYS_PMICFILTR_EL0);
}

static inline void write_pmovsclr(u64 val)
{
 write_sysreg(val, pmovsclr_el0);
}

static inline u64 read_pmovsclr(void)
{
 return read_sysreg(pmovsclr_el0);
}

static inline void write_pmuserenr(u32 val)
{
 write_sysreg(val, pmuserenr_el0);
}

static inline void write_pmuacr(u64 val)
{
 write_sysreg_s(val, SYS_PMUACR_EL1);
}

static inline u64 read_pmceid0(void)
{
 return read_sysreg(pmceid0_el0);
}

static inline u64 read_pmceid1(void)
{
 return read_sysreg(pmceid1_el0);
}

static inline bool pmuv3_implemented(int pmuver)
{
 return !(pmuver == ID_AA64DFR0_EL1_PMUVer_IMP_DEF ||
   pmuver == ID_AA64DFR0_EL1_PMUVer_NI);
}

static inline bool is_pmuv3p4(int pmuver)
{
 return pmuver >= ID_AA64DFR0_EL1_PMUVer_V3P4;
}

static inline bool is_pmuv3p5(int pmuver)
{
 return pmuver >= ID_AA64DFR0_EL1_PMUVer_V3P5;
}

static inline bool is_pmuv3p9(int pmuver)
{
 return pmuver >= ID_AA64DFR0_EL1_PMUVer_V3P9;
}

#endif