Fix duplicate atomic_t typedef conflicting with types.h
This commit is contained in:
@@ -0,0 +1,224 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* linux/arch/arm/include/asm/pmu.h
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*
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* Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles
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*/
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#ifndef __ARM_PMU_H__
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#define __ARM_PMU_H__
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#include <linux/interrupt.h>
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#include <linux/perf_event.h>
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#include <linux/platform_device.h>
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#include <linux/sysfs.h>
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#include <asm/cputype.h>
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#ifdef CONFIG_ARM_PMU
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/*
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* The Armv7 and Armv8.8 or less CPU PMU supports up to 32 event counters.
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* The Armv8.9/9.4 CPU PMU supports up to 33 event counters.
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*/
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#ifdef CONFIG_ARM
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#define ARMPMU_MAX_HWEVENTS 32
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#else
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#define ARMPMU_MAX_HWEVENTS 33
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#endif
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/*
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* ARM PMU hw_event flags
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*/
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#define ARMPMU_EVT_64BIT 0x00001 /* Event uses a 64bit counter */
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#define ARMPMU_EVT_47BIT 0x00002 /* Event uses a 47bit counter */
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#define ARMPMU_EVT_63BIT 0x00004 /* Event uses a 63bit counter */
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static_assert((PERF_EVENT_FLAG_ARCH & ARMPMU_EVT_64BIT) == ARMPMU_EVT_64BIT);
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static_assert((PERF_EVENT_FLAG_ARCH & ARMPMU_EVT_47BIT) == ARMPMU_EVT_47BIT);
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static_assert((PERF_EVENT_FLAG_ARCH & ARMPMU_EVT_63BIT) == ARMPMU_EVT_63BIT);
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#define HW_OP_UNSUPPORTED 0xFFFF
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#define C(_x) PERF_COUNT_HW_CACHE_##_x
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#define CACHE_OP_UNSUPPORTED 0xFFFF
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#define PERF_MAP_ALL_UNSUPPORTED \
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[0 ... PERF_COUNT_HW_MAX - 1] = HW_OP_UNSUPPORTED
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#define PERF_CACHE_MAP_ALL_UNSUPPORTED \
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[0 ... C(MAX) - 1] = { \
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[0 ... C(OP_MAX) - 1] = { \
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[0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \
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}, \
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}
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/* The events for a given PMU register set. */
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struct pmu_hw_events {
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/*
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* The events that are active on the PMU for the given index.
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*/
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struct perf_event *events[ARMPMU_MAX_HWEVENTS];
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/*
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* A 1 bit for an index indicates that the counter is being used for
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* an event. A 0 means that the counter can be used.
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*/
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DECLARE_BITMAP(used_mask, ARMPMU_MAX_HWEVENTS);
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/*
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* When using percpu IRQs, we need a percpu dev_id. Place it here as we
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* already have to allocate this struct per cpu.
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*/
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struct arm_pmu *percpu_pmu;
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int irq;
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struct perf_branch_stack *branch_stack;
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/* Active events requesting branch records */
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unsigned int branch_users;
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};
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enum armpmu_attr_groups {
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ARMPMU_ATTR_GROUP_COMMON,
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ARMPMU_ATTR_GROUP_EVENTS,
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ARMPMU_ATTR_GROUP_FORMATS,
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ARMPMU_ATTR_GROUP_CAPS,
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ARMPMU_NR_ATTR_GROUPS
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};
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struct arm_pmu {
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struct pmu pmu;
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cpumask_t supported_cpus;
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char *name;
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irqreturn_t (*handle_irq)(struct arm_pmu *pmu);
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void (*enable)(struct perf_event *event);
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void (*disable)(struct perf_event *event);
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int (*get_event_idx)(struct pmu_hw_events *hw_events,
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struct perf_event *event);
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void (*clear_event_idx)(struct pmu_hw_events *hw_events,
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struct perf_event *event);
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int (*set_event_filter)(struct hw_perf_event *evt,
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struct perf_event_attr *attr);
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u64 (*read_counter)(struct perf_event *event);
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void (*write_counter)(struct perf_event *event, u64 val);
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void (*start)(struct arm_pmu *);
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void (*stop)(struct arm_pmu *);
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void (*reset)(void *);
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int (*map_event)(struct perf_event *event);
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/*
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* Called by KVM to map the PMUv3 event space onto non-PMUv3 hardware.
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*/
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int (*map_pmuv3_event)(unsigned int eventsel);
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DECLARE_BITMAP(cntr_mask, ARMPMU_MAX_HWEVENTS);
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bool secure_access; /* 32-bit ARM only */
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struct platform_device *plat_device;
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struct pmu_hw_events __percpu *hw_events;
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struct hlist_node node;
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struct notifier_block cpu_pm_nb;
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/* the attr_groups array must be NULL-terminated */
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const struct attribute_group *attr_groups[ARMPMU_NR_ATTR_GROUPS + 1];
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/* PMUv3 only */
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int pmuver;
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bool has_smt;
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u64 reg_pmmir;
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u64 reg_brbidr;
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#define ARMV8_PMUV3_MAX_COMMON_EVENTS 0x40
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DECLARE_BITMAP(pmceid_bitmap, ARMV8_PMUV3_MAX_COMMON_EVENTS);
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#define ARMV8_PMUV3_EXT_COMMON_EVENT_BASE 0x4000
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DECLARE_BITMAP(pmceid_ext_bitmap, ARMV8_PMUV3_MAX_COMMON_EVENTS);
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/* Only to be used by ACPI probing code */
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unsigned long acpi_cpuid;
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};
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#define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu))
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u64 armpmu_event_update(struct perf_event *event);
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int armpmu_event_set_period(struct perf_event *event);
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int armpmu_map_event(struct perf_event *event,
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const unsigned (*event_map)[PERF_COUNT_HW_MAX],
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const unsigned (*cache_map)[PERF_COUNT_HW_CACHE_MAX]
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[PERF_COUNT_HW_CACHE_OP_MAX]
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[PERF_COUNT_HW_CACHE_RESULT_MAX],
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u32 raw_event_mask);
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typedef int (*armpmu_init_fn)(struct arm_pmu *);
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struct pmu_probe_info {
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unsigned int cpuid;
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unsigned int mask;
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armpmu_init_fn init;
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};
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#define PMU_PROBE(_cpuid, _mask, _fn) \
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{ \
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.cpuid = (_cpuid), \
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.mask = (_mask), \
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.init = (_fn), \
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}
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#define ARM_PMU_PROBE(_cpuid, _fn) \
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PMU_PROBE(_cpuid, ARM_CPU_PART_MASK, _fn)
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#define ARM_PMU_XSCALE_MASK ((0xff << 24) | ARM_CPU_XSCALE_ARCH_MASK)
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#define XSCALE_PMU_PROBE(_version, _fn) \
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PMU_PROBE(ARM_CPU_IMP_INTEL << 24 | _version, ARM_PMU_XSCALE_MASK, _fn)
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int arm_pmu_device_probe(struct platform_device *pdev,
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const struct of_device_id *of_table,
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const struct pmu_probe_info *probe_table);
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#ifdef CONFIG_ACPI
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int arm_pmu_acpi_probe(armpmu_init_fn init_fn);
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#else
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static inline int arm_pmu_acpi_probe(armpmu_init_fn init_fn) { return 0; }
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#endif
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#ifdef CONFIG_KVM
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void kvm_host_pmu_init(struct arm_pmu *pmu);
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#else
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#define kvm_host_pmu_init(x) do { } while(0)
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#endif
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bool arm_pmu_irq_is_nmi(void);
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/* Internal functions only for core arm_pmu code */
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struct arm_pmu *armpmu_alloc(void);
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void armpmu_free(struct arm_pmu *pmu);
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int armpmu_register(struct arm_pmu *pmu);
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int armpmu_request_irq(struct arm_pmu * __percpu *armpmu, int irq, int cpu);
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void armpmu_free_irq(struct arm_pmu * __percpu *armpmu, int irq, int cpu);
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#define ARMV8_PMU_PDEV_NAME "armv8-pmu"
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#endif /* CONFIG_ARM_PMU */
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#define ARMV8_SPE_PDEV_NAME "arm,spe-v1"
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#define ARMV8_TRBE_PDEV_NAME "arm,trbe"
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/* Why does everything I do descend into this? */
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#define __GEN_PMU_FORMAT_ATTR(cfg, lo, hi) \
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(lo) == (hi) ? #cfg ":" #lo "\n" : #cfg ":" #lo "-" #hi
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#define _GEN_PMU_FORMAT_ATTR(cfg, lo, hi) \
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__GEN_PMU_FORMAT_ATTR(cfg, lo, hi)
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#define GEN_PMU_FORMAT_ATTR(name) \
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PMU_FORMAT_ATTR(name, \
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_GEN_PMU_FORMAT_ATTR(ATTR_CFG_FLD_##name##_CFG, \
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ATTR_CFG_FLD_##name##_LO, \
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ATTR_CFG_FLD_##name##_HI))
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#define _ATTR_CFG_GET_FLD(attr, cfg, lo, hi) \
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((((attr)->cfg) >> lo) & GENMASK_ULL(hi - lo, 0))
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#define ATTR_CFG_GET_FLD(attr, name) \
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_ATTR_CFG_GET_FLD(attr, \
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ATTR_CFG_FLD_##name##_CFG, \
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ATTR_CFG_FLD_##name##_LO, \
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ATTR_CFG_FLD_##name##_HI)
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#endif /* __ARM_PMU_H__ */
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@@ -0,0 +1,318 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2012 ARM Ltd.
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*/
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#ifndef __PERF_ARM_PMUV3_H
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#define __PERF_ARM_PMUV3_H
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#define ARMV8_PMU_MAX_GENERAL_COUNTERS 31
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#define ARMV8_PMU_CYCLE_IDX 31
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#define ARMV8_PMU_INSTR_IDX 32 /* Not accessible from AArch32 */
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/*
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* Common architectural and microarchitectural event numbers.
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*/
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#define ARMV8_PMUV3_PERFCTR_SW_INCR 0x0000
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#define ARMV8_PMUV3_PERFCTR_L1I_CACHE_REFILL 0x0001
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#define ARMV8_PMUV3_PERFCTR_L1I_TLB_REFILL 0x0002
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#define ARMV8_PMUV3_PERFCTR_L1D_CACHE_REFILL 0x0003
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#define ARMV8_PMUV3_PERFCTR_L1D_CACHE 0x0004
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#define ARMV8_PMUV3_PERFCTR_L1D_TLB_REFILL 0x0005
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#define ARMV8_PMUV3_PERFCTR_LD_RETIRED 0x0006
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#define ARMV8_PMUV3_PERFCTR_ST_RETIRED 0x0007
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#define ARMV8_PMUV3_PERFCTR_INST_RETIRED 0x0008
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#define ARMV8_PMUV3_PERFCTR_EXC_TAKEN 0x0009
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#define ARMV8_PMUV3_PERFCTR_EXC_RETURN 0x000A
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#define ARMV8_PMUV3_PERFCTR_CID_WRITE_RETIRED 0x000B
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#define ARMV8_PMUV3_PERFCTR_PC_WRITE_RETIRED 0x000C
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#define ARMV8_PMUV3_PERFCTR_BR_IMMED_RETIRED 0x000D
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#define ARMV8_PMUV3_PERFCTR_BR_RETURN_RETIRED 0x000E
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#define ARMV8_PMUV3_PERFCTR_UNALIGNED_LDST_RETIRED 0x000F
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#define ARMV8_PMUV3_PERFCTR_BR_MIS_PRED 0x0010
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#define ARMV8_PMUV3_PERFCTR_CPU_CYCLES 0x0011
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#define ARMV8_PMUV3_PERFCTR_BR_PRED 0x0012
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#define ARMV8_PMUV3_PERFCTR_MEM_ACCESS 0x0013
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#define ARMV8_PMUV3_PERFCTR_L1I_CACHE 0x0014
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#define ARMV8_PMUV3_PERFCTR_L1D_CACHE_WB 0x0015
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#define ARMV8_PMUV3_PERFCTR_L2D_CACHE 0x0016
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#define ARMV8_PMUV3_PERFCTR_L2D_CACHE_REFILL 0x0017
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#define ARMV8_PMUV3_PERFCTR_L2D_CACHE_WB 0x0018
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#define ARMV8_PMUV3_PERFCTR_BUS_ACCESS 0x0019
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#define ARMV8_PMUV3_PERFCTR_MEMORY_ERROR 0x001A
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#define ARMV8_PMUV3_PERFCTR_INST_SPEC 0x001B
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#define ARMV8_PMUV3_PERFCTR_TTBR_WRITE_RETIRED 0x001C
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#define ARMV8_PMUV3_PERFCTR_BUS_CYCLES 0x001D
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#define ARMV8_PMUV3_PERFCTR_CHAIN 0x001E
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#define ARMV8_PMUV3_PERFCTR_L1D_CACHE_ALLOCATE 0x001F
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#define ARMV8_PMUV3_PERFCTR_L2D_CACHE_ALLOCATE 0x0020
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#define ARMV8_PMUV3_PERFCTR_BR_RETIRED 0x0021
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#define ARMV8_PMUV3_PERFCTR_BR_MIS_PRED_RETIRED 0x0022
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#define ARMV8_PMUV3_PERFCTR_STALL_FRONTEND 0x0023
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#define ARMV8_PMUV3_PERFCTR_STALL_BACKEND 0x0024
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#define ARMV8_PMUV3_PERFCTR_L1D_TLB 0x0025
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#define ARMV8_PMUV3_PERFCTR_L1I_TLB 0x0026
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#define ARMV8_PMUV3_PERFCTR_L2I_CACHE 0x0027
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#define ARMV8_PMUV3_PERFCTR_L2I_CACHE_REFILL 0x0028
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#define ARMV8_PMUV3_PERFCTR_L3D_CACHE_ALLOCATE 0x0029
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#define ARMV8_PMUV3_PERFCTR_L3D_CACHE_REFILL 0x002A
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#define ARMV8_PMUV3_PERFCTR_L3D_CACHE 0x002B
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#define ARMV8_PMUV3_PERFCTR_L3D_CACHE_WB 0x002C
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#define ARMV8_PMUV3_PERFCTR_L2D_TLB_REFILL 0x002D
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#define ARMV8_PMUV3_PERFCTR_L2I_TLB_REFILL 0x002E
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#define ARMV8_PMUV3_PERFCTR_L2D_TLB 0x002F
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#define ARMV8_PMUV3_PERFCTR_L2I_TLB 0x0030
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#define ARMV8_PMUV3_PERFCTR_REMOTE_ACCESS 0x0031
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#define ARMV8_PMUV3_PERFCTR_LL_CACHE 0x0032
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#define ARMV8_PMUV3_PERFCTR_LL_CACHE_MISS 0x0033
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#define ARMV8_PMUV3_PERFCTR_DTLB_WALK 0x0034
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#define ARMV8_PMUV3_PERFCTR_ITLB_WALK 0x0035
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#define ARMV8_PMUV3_PERFCTR_LL_CACHE_RD 0x0036
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#define ARMV8_PMUV3_PERFCTR_LL_CACHE_MISS_RD 0x0037
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#define ARMV8_PMUV3_PERFCTR_REMOTE_ACCESS_RD 0x0038
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#define ARMV8_PMUV3_PERFCTR_L1D_CACHE_LMISS_RD 0x0039
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#define ARMV8_PMUV3_PERFCTR_OP_RETIRED 0x003A
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#define ARMV8_PMUV3_PERFCTR_OP_SPEC 0x003B
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#define ARMV8_PMUV3_PERFCTR_STALL 0x003C
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#define ARMV8_PMUV3_PERFCTR_STALL_SLOT_BACKEND 0x003D
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#define ARMV8_PMUV3_PERFCTR_STALL_SLOT_FRONTEND 0x003E
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#define ARMV8_PMUV3_PERFCTR_STALL_SLOT 0x003F
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/* Statistical profiling extension microarchitectural events */
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#define ARMV8_SPE_PERFCTR_SAMPLE_POP 0x4000
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#define ARMV8_SPE_PERFCTR_SAMPLE_FEED 0x4001
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#define ARMV8_SPE_PERFCTR_SAMPLE_FILTRATE 0x4002
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#define ARMV8_SPE_PERFCTR_SAMPLE_COLLISION 0x4003
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/* AMUv1 architecture events */
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#define ARMV8_AMU_PERFCTR_CNT_CYCLES 0x4004
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#define ARMV8_AMU_PERFCTR_STALL_BACKEND_MEM 0x4005
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/* long-latency read miss events */
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#define ARMV8_PMUV3_PERFCTR_L1I_CACHE_LMISS 0x4006
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#define ARMV8_PMUV3_PERFCTR_L2D_CACHE_LMISS_RD 0x4009
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#define ARMV8_PMUV3_PERFCTR_L2I_CACHE_LMISS 0x400A
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#define ARMV8_PMUV3_PERFCTR_L3D_CACHE_LMISS_RD 0x400B
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/* Trace buffer events */
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#define ARMV8_PMUV3_PERFCTR_TRB_WRAP 0x400C
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#define ARMV8_PMUV3_PERFCTR_TRB_TRIG 0x400E
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/* Trace unit events */
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#define ARMV8_PMUV3_PERFCTR_TRCEXTOUT0 0x4010
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#define ARMV8_PMUV3_PERFCTR_TRCEXTOUT1 0x4011
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#define ARMV8_PMUV3_PERFCTR_TRCEXTOUT2 0x4012
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#define ARMV8_PMUV3_PERFCTR_TRCEXTOUT3 0x4013
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#define ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT4 0x4018
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#define ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT5 0x4019
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#define ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT6 0x401A
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#define ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT7 0x401B
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/* additional latency from alignment events */
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#define ARMV8_PMUV3_PERFCTR_LDST_ALIGN_LAT 0x4020
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#define ARMV8_PMUV3_PERFCTR_LD_ALIGN_LAT 0x4021
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#define ARMV8_PMUV3_PERFCTR_ST_ALIGN_LAT 0x4022
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/* Armv8.5 Memory Tagging Extension events */
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#define ARMV8_MTE_PERFCTR_MEM_ACCESS_CHECKED 0x4024
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#define ARMV8_MTE_PERFCTR_MEM_ACCESS_CHECKED_RD 0x4025
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#define ARMV8_MTE_PERFCTR_MEM_ACCESS_CHECKED_WR 0x4026
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/* ARMv8 recommended implementation defined event types */
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_RD 0x0040
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WR 0x0041
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_RD 0x0042
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_WR 0x0043
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_INNER 0x0044
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_OUTER 0x0045
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WB_VICTIM 0x0046
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WB_CLEAN 0x0047
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#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_INVAL 0x0048
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#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD 0x004C
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#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR 0x004D
|
||||
#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD 0x004E
|
||||
#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR 0x004F
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_RD 0x0050
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WR 0x0051
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_REFILL_RD 0x0052
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_REFILL_WR 0x0053
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WB_VICTIM 0x0056
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WB_CLEAN 0x0057
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_INVAL 0x0058
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_REFILL_RD 0x005C
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_REFILL_WR 0x005D
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_RD 0x005E
|
||||
#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_WR 0x005F
|
||||
#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD 0x0060
|
||||
#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR 0x0061
|
||||
#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_SHARED 0x0062
|
||||
#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_NOT_SHARED 0x0063
|
||||
#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_NORMAL 0x0064
|
||||
#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_PERIPH 0x0065
|
||||
#define ARMV8_IMPDEF_PERFCTR_MEM_ACCESS_RD 0x0066
|
||||
#define ARMV8_IMPDEF_PERFCTR_MEM_ACCESS_WR 0x0067
|
||||
#define ARMV8_IMPDEF_PERFCTR_UNALIGNED_LD_SPEC 0x0068
|
||||
#define ARMV8_IMPDEF_PERFCTR_UNALIGNED_ST_SPEC 0x0069
|
||||
#define ARMV8_IMPDEF_PERFCTR_UNALIGNED_LDST_SPEC 0x006A
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_LDREX_SPEC 0x006C
|
||||
#define ARMV8_IMPDEF_PERFCTR_STREX_PASS_SPEC 0x006D
|
||||
#define ARMV8_IMPDEF_PERFCTR_STREX_FAIL_SPEC 0x006E
|
||||
#define ARMV8_IMPDEF_PERFCTR_STREX_SPEC 0x006F
|
||||
#define ARMV8_IMPDEF_PERFCTR_LD_SPEC 0x0070
|
||||
#define ARMV8_IMPDEF_PERFCTR_ST_SPEC 0x0071
|
||||
#define ARMV8_IMPDEF_PERFCTR_LDST_SPEC 0x0072
|
||||
#define ARMV8_IMPDEF_PERFCTR_DP_SPEC 0x0073
|
||||
#define ARMV8_IMPDEF_PERFCTR_ASE_SPEC 0x0074
|
||||
#define ARMV8_IMPDEF_PERFCTR_VFP_SPEC 0x0075
|
||||
#define ARMV8_IMPDEF_PERFCTR_PC_WRITE_SPEC 0x0076
|
||||
#define ARMV8_IMPDEF_PERFCTR_CRYPTO_SPEC 0x0077
|
||||
#define ARMV8_IMPDEF_PERFCTR_BR_IMMED_SPEC 0x0078
|
||||
#define ARMV8_IMPDEF_PERFCTR_BR_RETURN_SPEC 0x0079
|
||||
#define ARMV8_IMPDEF_PERFCTR_BR_INDIRECT_SPEC 0x007A
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_ISB_SPEC 0x007C
|
||||
#define ARMV8_IMPDEF_PERFCTR_DSB_SPEC 0x007D
|
||||
#define ARMV8_IMPDEF_PERFCTR_DMB_SPEC 0x007E
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_UNDEF 0x0081
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_SVC 0x0082
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_PABORT 0x0083
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_DABORT 0x0084
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_IRQ 0x0086
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_FIQ 0x0087
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_SMC 0x0088
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_HVC 0x008A
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_PABORT 0x008B
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_DABORT 0x008C
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_OTHER 0x008D
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_IRQ 0x008E
|
||||
#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_FIQ 0x008F
|
||||
#define ARMV8_IMPDEF_PERFCTR_RC_LD_SPEC 0x0090
|
||||
#define ARMV8_IMPDEF_PERFCTR_RC_ST_SPEC 0x0091
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_RD 0x00A0
|
||||
#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WR 0x00A1
|
||||
#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_REFILL_RD 0x00A2
|
||||
#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_REFILL_WR 0x00A3
|
||||
|
||||
#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WB_VICTIM 0x00A6
|
||||
#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WB_CLEAN 0x00A7
|
||||
#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_INVAL 0x00A8
|
||||
|
||||
/*
|
||||
* Per-CPU PMCR: config reg
|
||||
*/
|
||||
#define ARMV8_PMU_PMCR_E (1 << 0) /* Enable all counters */
|
||||
#define ARMV8_PMU_PMCR_P (1 << 1) /* Reset all counters */
|
||||
#define ARMV8_PMU_PMCR_C (1 << 2) /* Cycle counter reset */
|
||||
#define ARMV8_PMU_PMCR_D (1 << 3) /* CCNT counts every 64th cpu cycle */
|
||||
#define ARMV8_PMU_PMCR_X (1 << 4) /* Export to ETM */
|
||||
#define ARMV8_PMU_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug*/
|
||||
#define ARMV8_PMU_PMCR_LC (1 << 6) /* Overflow on 64 bit cycle counter */
|
||||
#define ARMV8_PMU_PMCR_LP (1 << 7) /* Long event counter enable */
|
||||
#define ARMV8_PMU_PMCR_N GENMASK(15, 11) /* Number of counters supported */
|
||||
/* Mask for writable bits */
|
||||
#define ARMV8_PMU_PMCR_MASK (ARMV8_PMU_PMCR_E | ARMV8_PMU_PMCR_P | \
|
||||
ARMV8_PMU_PMCR_C | ARMV8_PMU_PMCR_D | \
|
||||
ARMV8_PMU_PMCR_X | ARMV8_PMU_PMCR_DP | \
|
||||
ARMV8_PMU_PMCR_LC | ARMV8_PMU_PMCR_LP)
|
||||
|
||||
/*
|
||||
* PMOVSR: counters overflow flag status reg
|
||||
*/
|
||||
#define ARMV8_PMU_OVSR_P GENMASK(30, 0)
|
||||
#define ARMV8_PMU_OVSR_C BIT(31)
|
||||
#define ARMV8_PMU_OVSR_F BIT_ULL(32) /* arm64 only */
|
||||
/* Mask for writable bits is both P and C fields */
|
||||
#define ARMV8_PMU_OVERFLOWED_MASK (ARMV8_PMU_OVSR_P | ARMV8_PMU_OVSR_C | \
|
||||
ARMV8_PMU_OVSR_F)
|
||||
|
||||
/*
|
||||
* PMXEVTYPER: Event selection reg
|
||||
*/
|
||||
#define ARMV8_PMU_EVTYPE_EVENT GENMASK(15, 0) /* Mask for EVENT bits */
|
||||
#define ARMV8_PMU_EVTYPE_TH GENMASK_ULL(43, 32) /* arm64 only */
|
||||
#define ARMV8_PMU_EVTYPE_TC GENMASK_ULL(63, 61) /* arm64 only */
|
||||
|
||||
/*
|
||||
* Event filters for PMUv3
|
||||
*/
|
||||
#define ARMV8_PMU_EXCLUDE_EL1 (1U << 31)
|
||||
#define ARMV8_PMU_EXCLUDE_EL0 (1U << 30)
|
||||
#define ARMV8_PMU_EXCLUDE_NS_EL1 (1U << 29)
|
||||
#define ARMV8_PMU_EXCLUDE_NS_EL0 (1U << 28)
|
||||
#define ARMV8_PMU_INCLUDE_EL2 (1U << 27)
|
||||
#define ARMV8_PMU_EXCLUDE_EL3 (1U << 26)
|
||||
|
||||
/*
|
||||
* PMUSERENR: user enable reg
|
||||
*/
|
||||
#define ARMV8_PMU_USERENR_EN (1 << 0) /* PMU regs can be accessed at EL0 */
|
||||
#define ARMV8_PMU_USERENR_SW (1 << 1) /* PMSWINC can be written at EL0 */
|
||||
#define ARMV8_PMU_USERENR_CR (1 << 2) /* Cycle counter can be read at EL0 */
|
||||
#define ARMV8_PMU_USERENR_ER (1 << 3) /* Event counter can be read at EL0 */
|
||||
#define ARMV8_PMU_USERENR_UEN (1 << 4) /* Fine grained per counter access at EL0 */
|
||||
/* Mask for writable bits */
|
||||
#define ARMV8_PMU_USERENR_MASK (ARMV8_PMU_USERENR_EN | ARMV8_PMU_USERENR_SW | \
|
||||
ARMV8_PMU_USERENR_CR | ARMV8_PMU_USERENR_ER)
|
||||
|
||||
/* PMMIR_EL1.SLOTS mask */
|
||||
#define ARMV8_PMU_SLOTS GENMASK(7, 0)
|
||||
#define ARMV8_PMU_BUS_SLOTS GENMASK(15, 8)
|
||||
#define ARMV8_PMU_BUS_WIDTH GENMASK(19, 16)
|
||||
#define ARMV8_PMU_THWIDTH GENMASK(23, 20)
|
||||
|
||||
/*
|
||||
* This code is really good
|
||||
*/
|
||||
|
||||
#define PMEVN_CASE(n, case_macro) \
|
||||
case n: case_macro(n); break
|
||||
|
||||
#define PMEVN_SWITCH(x, case_macro) \
|
||||
do { \
|
||||
switch (x) { \
|
||||
PMEVN_CASE(0, case_macro); \
|
||||
PMEVN_CASE(1, case_macro); \
|
||||
PMEVN_CASE(2, case_macro); \
|
||||
PMEVN_CASE(3, case_macro); \
|
||||
PMEVN_CASE(4, case_macro); \
|
||||
PMEVN_CASE(5, case_macro); \
|
||||
PMEVN_CASE(6, case_macro); \
|
||||
PMEVN_CASE(7, case_macro); \
|
||||
PMEVN_CASE(8, case_macro); \
|
||||
PMEVN_CASE(9, case_macro); \
|
||||
PMEVN_CASE(10, case_macro); \
|
||||
PMEVN_CASE(11, case_macro); \
|
||||
PMEVN_CASE(12, case_macro); \
|
||||
PMEVN_CASE(13, case_macro); \
|
||||
PMEVN_CASE(14, case_macro); \
|
||||
PMEVN_CASE(15, case_macro); \
|
||||
PMEVN_CASE(16, case_macro); \
|
||||
PMEVN_CASE(17, case_macro); \
|
||||
PMEVN_CASE(18, case_macro); \
|
||||
PMEVN_CASE(19, case_macro); \
|
||||
PMEVN_CASE(20, case_macro); \
|
||||
PMEVN_CASE(21, case_macro); \
|
||||
PMEVN_CASE(22, case_macro); \
|
||||
PMEVN_CASE(23, case_macro); \
|
||||
PMEVN_CASE(24, case_macro); \
|
||||
PMEVN_CASE(25, case_macro); \
|
||||
PMEVN_CASE(26, case_macro); \
|
||||
PMEVN_CASE(27, case_macro); \
|
||||
PMEVN_CASE(28, case_macro); \
|
||||
PMEVN_CASE(29, case_macro); \
|
||||
PMEVN_CASE(30, case_macro); \
|
||||
default: WARN(1, "Invalid PMEV* index\n"); \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#include <asm/arm_pmuv3.h>
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,97 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/*
|
||||
* Copyright (C) 2018 SiFive
|
||||
* Copyright (C) 2018 Andes Technology Corporation
|
||||
* Copyright (C) 2021 Western Digital Corporation or its affiliates.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _RISCV_PMU_H
|
||||
#define _RISCV_PMU_H
|
||||
|
||||
#include <linux/perf_event.h>
|
||||
#include <linux/ptrace.h>
|
||||
#include <linux/interrupt.h>
|
||||
|
||||
#ifdef CONFIG_RISCV_PMU
|
||||
|
||||
/*
|
||||
* The RISCV_MAX_COUNTERS parameter should be specified.
|
||||
*/
|
||||
|
||||
#define RISCV_MAX_COUNTERS 64
|
||||
#define RISCV_OP_UNSUPP (-EOPNOTSUPP)
|
||||
#define RISCV_PMU_SBI_PDEV_NAME "riscv-pmu-sbi"
|
||||
#define RISCV_PMU_LEGACY_PDEV_NAME "riscv-pmu-legacy"
|
||||
|
||||
#define RISCV_PMU_STOP_FLAG_RESET 1
|
||||
|
||||
#define RISCV_PMU_CONFIG1_GUEST_EVENTS 0x1
|
||||
|
||||
struct cpu_hw_events {
|
||||
/* currently enabled events */
|
||||
int n_events;
|
||||
/* Counter overflow interrupt */
|
||||
int irq;
|
||||
/* currently enabled events */
|
||||
struct perf_event *events[RISCV_MAX_COUNTERS];
|
||||
/* currently enabled hardware counters */
|
||||
DECLARE_BITMAP(used_hw_ctrs, RISCV_MAX_COUNTERS);
|
||||
/* currently enabled firmware counters */
|
||||
DECLARE_BITMAP(used_fw_ctrs, RISCV_MAX_COUNTERS);
|
||||
/* The virtual address of the shared memory where counter snapshot will be taken */
|
||||
void *snapshot_addr;
|
||||
/* The physical address of the shared memory where counter snapshot will be taken */
|
||||
phys_addr_t snapshot_addr_phys;
|
||||
/* Boolean flag to indicate setup is already done */
|
||||
bool snapshot_set_done;
|
||||
/* A shadow copy of the counter values to avoid clobbering during multiple SBI calls */
|
||||
u64 snapshot_cval_shcopy[RISCV_MAX_COUNTERS];
|
||||
};
|
||||
|
||||
struct riscv_pmu {
|
||||
struct pmu pmu;
|
||||
char *name;
|
||||
|
||||
irqreturn_t (*handle_irq)(int irq_num, void *dev);
|
||||
|
||||
unsigned long cmask;
|
||||
u64 (*ctr_read)(struct perf_event *event);
|
||||
int (*ctr_get_idx)(struct perf_event *event);
|
||||
int (*ctr_get_width)(int idx);
|
||||
void (*ctr_clear_idx)(struct perf_event *event);
|
||||
void (*ctr_start)(struct perf_event *event, u64 init_val);
|
||||
void (*ctr_stop)(struct perf_event *event, unsigned long flag);
|
||||
int (*event_map)(struct perf_event *event, u64 *config);
|
||||
void (*event_init)(struct perf_event *event);
|
||||
void (*event_mapped)(struct perf_event *event, struct mm_struct *mm);
|
||||
void (*event_unmapped)(struct perf_event *event, struct mm_struct *mm);
|
||||
uint8_t (*csr_index)(struct perf_event *event);
|
||||
|
||||
struct cpu_hw_events __percpu *hw_events;
|
||||
struct hlist_node node;
|
||||
struct notifier_block riscv_pm_nb;
|
||||
};
|
||||
|
||||
#define to_riscv_pmu(p) (container_of(p, struct riscv_pmu, pmu))
|
||||
|
||||
void riscv_pmu_start(struct perf_event *event, int flags);
|
||||
void riscv_pmu_stop(struct perf_event *event, int flags);
|
||||
unsigned long riscv_pmu_ctr_read_csr(unsigned long csr);
|
||||
int riscv_pmu_event_set_period(struct perf_event *event);
|
||||
uint64_t riscv_pmu_ctr_get_width_mask(struct perf_event *event);
|
||||
u64 riscv_pmu_event_update(struct perf_event *event);
|
||||
#ifdef CONFIG_RISCV_PMU_LEGACY
|
||||
void riscv_pmu_legacy_skip_init(void);
|
||||
#else
|
||||
static inline void riscv_pmu_legacy_skip_init(void) {};
|
||||
#endif
|
||||
struct riscv_pmu *riscv_pmu_alloc(void);
|
||||
#ifdef CONFIG_RISCV_PMU_SBI
|
||||
int riscv_pmu_get_hpm_info(u32 *hw_ctr_width, u32 *num_hw_ctr);
|
||||
int riscv_pmu_get_event_info(u32 type, u64 config, u64 *econfig);
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_RISCV_PMU */
|
||||
|
||||
#endif /* _RISCV_PMU_H */
|
||||
Reference in New Issue
Block a user