d4d78e9c61
This includes the following fixes: * fix build of arch/arm64/kernel/vdso Change-Id: I73b05034d29f7f8731ac17f9736edbba4fb2c639
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* arch-perfctr.h COPYRIGHT FUJITSU LIMITED 2016-2018 */
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#ifndef __ARCH_PERFCTR_H__
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#define __ARCH_PERFCTR_H__
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#include <ihk/types.h>
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#include <ihk/cpu.h>
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#include <bitops.h>
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struct per_cpu_arm_pmu {
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int num_events;
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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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};
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/* @ref.impl arch/arm64/include/asm/pmu.h */
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struct arm_pmu {
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struct ihk_mc_interrupt_handler* handler;
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uint32_t (*read_counter)(int);
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void (*write_counter)(int, uint32_t);
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void (*reset)(void*);
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int (*enable_pmu)(void);
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void (*disable_pmu)(void);
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int (*enable_counter)(int);
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int (*disable_counter)(int);
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int (*enable_intens)(int);
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int (*disable_intens)(int);
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int (*set_event_filter)(unsigned long*, int);
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void (*write_evtype)(int, uint32_t);
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int (*get_event_idx)(int num_events, unsigned long used_mask,
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unsigned long config);
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int (*map_event)(uint32_t, uint64_t);
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void (*enable_user_access_pmu_regs)(void);
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void (*disable_user_access_pmu_regs)(void);
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struct per_cpu_arm_pmu *per_cpu;
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};
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static inline const struct arm_pmu* get_cpu_pmu(void)
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{
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extern struct arm_pmu cpu_pmu;
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return &cpu_pmu;
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}
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static inline const struct per_cpu_arm_pmu *get_per_cpu_pmu(void)
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{
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const struct arm_pmu *cpu_pmu = get_cpu_pmu();
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return &cpu_pmu->per_cpu[ihk_mc_get_processor_id()];
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}
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int arm64_init_perfctr(void);
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void arm64_init_per_cpu_perfctr(void);
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int arm64_enable_pmu(void);
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void arm64_disable_pmu(void);
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int armv8pmu_init(struct arm_pmu* cpu_pmu);
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void armv8pmu_per_cpu_init(struct per_cpu_arm_pmu *per_cpu);
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void arm64_enable_user_access_pmu_regs(void);
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void arm64_disable_user_access_pmu_regs(void);
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#endif
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