diff --git a/arch/arm64/include/asm/apple_m1_pmu.h b/arch/arm64/include/asm/apple_m1_pmu.h index 99483b19b99f..02e05d05851f 100644 --- a/arch/arm64/include/asm/apple_m1_pmu.h +++ b/arch/arm64/include/asm/apple_m1_pmu.h @@ -37,6 +37,7 @@ #define PMCR0_PMI_ENABLE_8_9 GENMASK(45, 44) #define SYS_IMP_APL_PMCR1_EL1 sys_reg(3, 1, 15, 1, 0) +#define SYS_IMP_APL_PMCR1_EL12 sys_reg(3, 1, 15, 7, 2) #define PMCR1_COUNT_A64_EL0_0_7 GENMASK(15, 8) #define PMCR1_COUNT_A64_EL1_0_7 GENMASK(23, 16) #define PMCR1_COUNT_A64_EL0_8_9 GENMASK(41, 40) diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c index cea80afd1253..d6d4ff6da862 100644 --- a/drivers/perf/apple_m1_cpu_pmu.c +++ b/drivers/perf/apple_m1_cpu_pmu.c @@ -120,6 +120,8 @@ enum m1_pmu_events { */ M1_PMU_CFG_COUNT_USER = BIT(8), M1_PMU_CFG_COUNT_KERNEL = BIT(9), + M1_PMU_CFG_COUNT_HOST = BIT(10), + M1_PMU_CFG_COUNT_GUEST = BIT(11), }; /* @@ -328,7 +330,7 @@ static void m1_pmu_disable_counter_interrupt(unsigned int index) } static void __m1_pmu_configure_event_filter(unsigned int index, bool user, - bool kernel) + bool kernel, bool host) { u64 clear, set, user_bit, kernel_bit; @@ -356,7 +358,10 @@ static void __m1_pmu_configure_event_filter(unsigned int index, bool user, else clear |= kernel_bit; - sysreg_clear_set_s(SYS_IMP_APL_PMCR1_EL1, clear, set); + if (host) + sysreg_clear_set_s(SYS_IMP_APL_PMCR1_EL1, clear, set); + else if (is_kernel_in_hyp_mode()) + sysreg_clear_set_s(SYS_IMP_APL_PMCR1_EL12, clear, set); } static void __m1_pmu_configure_eventsel(unsigned int index, u8 event) @@ -391,10 +396,13 @@ static void __m1_pmu_configure_eventsel(unsigned int index, u8 event) static void m1_pmu_configure_counter(unsigned int index, unsigned long config_base) { bool kernel = config_base & M1_PMU_CFG_COUNT_KERNEL; + bool guest = config_base & M1_PMU_CFG_COUNT_GUEST; + bool host = config_base & M1_PMU_CFG_COUNT_HOST; bool user = config_base & M1_PMU_CFG_COUNT_USER; u8 evt = config_base & M1_PMU_CFG_EVENT; - __m1_pmu_configure_event_filter(index, user, kernel); + __m1_pmu_configure_event_filter(index, user && host, kernel && host, true); + __m1_pmu_configure_event_filter(index, user && guest, kernel && guest, false); __m1_pmu_configure_eventsel(index, evt); } @@ -570,7 +578,7 @@ static int m1_pmu_set_event_filter(struct hw_perf_event *event, { unsigned long config_base = 0; - if (!attr->exclude_guest) { + if (!attr->exclude_guest && !is_kernel_in_hyp_mode()) { pr_debug("ARM performance counters do not support mode exclusion\n"); return -EOPNOTSUPP; } @@ -578,6 +586,10 @@ static int m1_pmu_set_event_filter(struct hw_perf_event *event, config_base |= M1_PMU_CFG_COUNT_KERNEL; if (!attr->exclude_user) config_base |= M1_PMU_CFG_COUNT_USER; + if (!attr->exclude_host) + config_base |= M1_PMU_CFG_COUNT_HOST; + if (!attr->exclude_guest) + config_base |= M1_PMU_CFG_COUNT_GUEST; event->config_base = config_base;