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Diffstat (limited to 'arch/arm/include/asm/arm_pmuv3.h')
-rw-r--r--arch/arm/include/asm/arm_pmuv3.h68
1 files changed, 48 insertions, 20 deletions
diff --git a/arch/arm/include/asm/arm_pmuv3.h b/arch/arm/include/asm/arm_pmuv3.h
index f3cd04ff022d..2ec0e5e83fc9 100644
--- a/arch/arm/include/asm/arm_pmuv3.h
+++ b/arch/arm/include/asm/arm_pmuv3.h
@@ -23,6 +23,8 @@
#define PMUSERENR __ACCESS_CP15(c9, 0, c14, 0)
#define PMINTENSET __ACCESS_CP15(c9, 0, c14, 1)
#define PMINTENCLR __ACCESS_CP15(c9, 0, c14, 2)
+#define PMCEID2 __ACCESS_CP15(c9, 0, c14, 4)
+#define PMCEID3 __ACCESS_CP15(c9, 0, c14, 5)
#define PMMIR __ACCESS_CP15(c9, 0, c14, 6)
#define PMCCFILTR __ACCESS_CP15(c14, 0, c15, 7)
@@ -125,6 +127,12 @@ static inline u32 read_pmuver(void)
return (dfr0 >> 24) & 0xf;
}
+static inline bool pmuv3_has_icntr(void)
+{
+ /* FEAT_PMUv3_ICNTR not accessible for 32-bit */
+ return false;
+}
+
static inline void write_pmcr(u32 val)
{
write_sysreg(val, PMCR);
@@ -150,19 +158,11 @@ static inline u64 read_pmccntr(void)
return read_sysreg(PMCCNTR);
}
-static inline void write_pmxevcntr(u32 val)
-{
- write_sysreg(val, PMXEVCNTR);
-}
-
-static inline u32 read_pmxevcntr(void)
-{
- return read_sysreg(PMXEVCNTR);
-}
+static inline void write_pmicntr(u64 val) {}
-static inline void write_pmxevtyper(u32 val)
+static inline u64 read_pmicntr(void)
{
- write_sysreg(val, PMXEVTYPER);
+ return 0;
}
static inline void write_pmcntenset(u32 val)
@@ -190,6 +190,13 @@ static inline void write_pmccfiltr(u32 val)
write_sysreg(val, PMCCFILTR);
}
+static inline void write_pmicfiltr(u64 val) {}
+
+static inline u64 read_pmicfiltr(void)
+{
+ return 0;
+}
+
static inline void write_pmovsclr(u32 val)
{
write_sysreg(val, PMOVSR);
@@ -205,15 +212,7 @@ static inline void write_pmuserenr(u32 val)
write_sysreg(val, PMUSERENR);
}
-static inline u32 read_pmceid0(void)
-{
- return read_sysreg(PMCEID0);
-}
-
-static inline u32 read_pmceid1(void)
-{
- return read_sysreg(PMCEID1);
-}
+static inline void write_pmuacr(u64 val) {}
static inline void kvm_set_pmu_events(u32 set, struct perf_event_attr *attr) {}
static inline void kvm_clr_pmu_events(u32 clr) {}
@@ -227,10 +226,14 @@ static inline bool kvm_set_pmuserenr(u64 val)
return false;
}
+static inline void kvm_vcpu_pmu_resync_el0(void) {}
+
/* PMU Version in DFR Register */
#define ARMV8_PMU_DFR_VER_NI 0
+#define ARMV8_PMU_DFR_VER_V3P1 0x4
#define ARMV8_PMU_DFR_VER_V3P4 0x5
#define ARMV8_PMU_DFR_VER_V3P5 0x6
+#define ARMV8_PMU_DFR_VER_V3P9 0x9
#define ARMV8_PMU_DFR_VER_IMP_DEF 0xF
static inline bool pmuv3_implemented(int pmuver)
@@ -249,4 +252,29 @@ static inline bool is_pmuv3p5(int pmuver)
return pmuver >= ARMV8_PMU_DFR_VER_V3P5;
}
+static inline bool is_pmuv3p9(int pmuver)
+{
+ return pmuver >= ARMV8_PMU_DFR_VER_V3P9;
+}
+
+static inline u64 read_pmceid0(void)
+{
+ u64 val = read_sysreg(PMCEID0);
+
+ if (read_pmuver() >= ARMV8_PMU_DFR_VER_V3P1)
+ val |= (u64)read_sysreg(PMCEID2) << 32;
+
+ return val;
+}
+
+static inline u64 read_pmceid1(void)
+{
+ u64 val = read_sysreg(PMCEID1);
+
+ if (read_pmuver() >= ARMV8_PMU_DFR_VER_V3P1)
+ val |= (u64)read_sysreg(PMCEID3) << 32;
+
+ return val;
+}
+
#endif