arch/arm64/include/asm/arm_pmuv3.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2012 ARM Ltd.
   4  */
   5
   6 #ifndef __ASM_PMUV3_H
   7 #define __ASM_PMUV3_H
   8
   9 #include <asm/kvm_host.h>
  10
  11 #include <asm/cpufeature.h>
  12 #include <asm/sysreg.h>
  13
  14 #define RETURN_READ_PMEVCNTRN(n) \
  15         return read_sysreg(pmevcntr##n##_el0)
  16 static inline unsigned long read_pmevcntrn(int n)
  17 {
  18         PMEVN_SWITCH(n, RETURN_READ_PMEVCNTRN);
  19         return 0;
  20 }
  21
  22 #define WRITE_PMEVCNTRN(n) \
  23         write_sysreg(val, pmevcntr##n##_el0)
  24 static inline void write_pmevcntrn(int n, unsigned long val)
  25 {
  26         PMEVN_SWITCH(n, WRITE_PMEVCNTRN);
  27 }
  28
  29 #define WRITE_PMEVTYPERN(n) \
  30         write_sysreg(val, pmevtyper##n##_el0)
  31 static inline void write_pmevtypern(int n, unsigned long val)
  32 {
  33         PMEVN_SWITCH(n, WRITE_PMEVTYPERN);
  34 }
  35
  36 #define RETURN_READ_PMEVTYPERN(n) \
  37         return read_sysreg(pmevtyper##n##_el0)
  38 static inline unsigned long read_pmevtypern(int n)
  39 {
  40         PMEVN_SWITCH(n, RETURN_READ_PMEVTYPERN);
  41         return 0;
  42 }
  43
  44 static inline unsigned long read_pmmir(void)
  45 {
  46         return read_cpuid(PMMIR_EL1);
  47 }
  48
  49 static inline u32 read_pmuver(void)
  50 {
  51         u64 dfr0 = read_sysreg(id_aa64dfr0_el1);
  52
  53         return cpuid_feature_extract_unsigned_field(dfr0,
  54                         ID_AA64DFR0_EL1_PMUVer_SHIFT);
  55 }
  56
  57 static inline bool pmuv3_has_icntr(void)
  58 {
  59         u64 dfr1 = read_sysreg(id_aa64dfr1_el1);
  60
  61         return !!cpuid_feature_extract_unsigned_field(dfr1,
  62                         ID_AA64DFR1_EL1_PMICNTR_SHIFT);
  63 }
  64
  65 static inline void write_pmcr(u64 val)
  66 {
  67         write_sysreg(val, pmcr_el0);
  68 }
  69
  70 static inline u64 read_pmcr(void)
  71 {
  72         return read_sysreg(pmcr_el0);
  73 }
  74
  75 static inline void write_pmselr(u32 val)
  76 {
  77         write_sysreg(val, pmselr_el0);
  78 }
  79
  80 static inline void write_pmccntr(u64 val)
  81 {
  82         write_sysreg(val, pmccntr_el0);
  83 }
  84
  85 static inline u64 read_pmccntr(void)
  86 {
  87         return read_sysreg(pmccntr_el0);
  88 }
  89
  90 static inline void write_pmicntr(u64 val)
  91 {
  92         write_sysreg_s(val, SYS_PMICNTR_EL0);
  93 }
  94
  95 static inline u64 read_pmicntr(void)
  96 {
  97         return read_sysreg_s(SYS_PMICNTR_EL0);
  98 }
  99
 100 static inline void write_pmcntenset(u64 val)
 101 {
 102         write_sysreg(val, pmcntenset_el0);
 103 }
 104
 105 static inline void write_pmcntenclr(u64 val)
 106 {
 107         write_sysreg(val, pmcntenclr_el0);
 108 }
 109
 110 static inline void write_pmintenset(u64 val)
 111 {
 112         write_sysreg(val, pmintenset_el1);
 113 }
 114
 115 static inline void write_pmintenclr(u64 val)
 116 {
 117         write_sysreg(val, pmintenclr_el1);
 118 }
 119
 120 static inline void write_pmccfiltr(u64 val)
 121 {
 122         write_sysreg(val, pmccfiltr_el0);
 123 }
 124
 125 static inline u64 read_pmccfiltr(void)
 126 {
 127         return read_sysreg(pmccfiltr_el0);
 128 }
 129
 130 static inline void write_pmicfiltr(u64 val)
 131 {
 132         write_sysreg_s(val, SYS_PMICFILTR_EL0);
 133 }
 134
 135 static inline u64 read_pmicfiltr(void)
 136 {
 137         return read_sysreg_s(SYS_PMICFILTR_EL0);
 138 }
 139
 140 static inline void write_pmovsclr(u64 val)
 141 {
 142         write_sysreg(val, pmovsclr_el0);
 143 }
 144
 145 static inline u64 read_pmovsclr(void)
 146 {
 147         return read_sysreg(pmovsclr_el0);
 148 }
 149
 150 static inline void write_pmuserenr(u32 val)
 151 {
 152         write_sysreg(val, pmuserenr_el0);
 153 }
 154
 155 static inline void write_pmuacr(u64 val)
 156 {
 157         write_sysreg_s(val, SYS_PMUACR_EL1);
 158 }
 159
 160 static inline u64 read_pmceid0(void)
 161 {
 162         return read_sysreg(pmceid0_el0);
 163 }
 164
 165 static inline u64 read_pmceid1(void)
 166 {
 167         return read_sysreg(pmceid1_el0);
 168 }
 169
 170 static inline bool pmuv3_implemented(int pmuver)
 171 {
 172         return !(pmuver == ID_AA64DFR0_EL1_PMUVer_IMP_DEF ||
 173                  pmuver == ID_AA64DFR0_EL1_PMUVer_NI);
 174 }
 175
 176 static inline bool is_pmuv3p4(int pmuver)
 177 {
 178         return pmuver >= ID_AA64DFR0_EL1_PMUVer_V3P4;
 179 }
 180
 181 static inline bool is_pmuv3p5(int pmuver)
 182 {
 183         return pmuver >= ID_AA64DFR0_EL1_PMUVer_V3P5;
 184 }
 185
 186 static inline bool is_pmuv3p9(int pmuver)
 187 {
 188         return pmuver >= ID_AA64DFR0_EL1_PMUVer_V3P9;
 189 }
 190
 191 #endif