diff options
Diffstat (limited to 'arch/arm/include/asm/pmu.h')
-rw-r--r-- | arch/arm/include/asm/pmu.h | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h index f24edad26c7..a7eaad37497 100644 --- a/arch/arm/include/asm/pmu.h +++ b/arch/arm/include/asm/pmu.h @@ -13,7 +13,9 @@ #define __ARM_PMU_H__ #include <linux/interrupt.h> +#include <linux/percpu.h> #include <linux/perf_event.h> +#include <linux/types.h> /* * struct arm_pmu_platdata - ARM PMU platform data @@ -62,9 +64,34 @@ struct pmu_hw_events { raw_spinlock_t pmu_lock; }; +struct cpupmu_regs { + u32 pmc; + u32 pmcntenset; + u32 pmuseren; + u32 pmintenset; + u32 pmxevttype[8]; + u32 pmxevtcnt[8]; +}; + +struct arm_cpu_pmu { + bool valid; + bool active; + + u32 mpidr; + int irq; + + struct perf_event *hw_events[ARMPMU_MAX_HWEVENTS]; + unsigned long used_mask[BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)]; + struct pmu_hw_events cpu_hw_events; + struct cpupmu_regs cpu_pmu_regs; + + void *logical_state; +}; + struct arm_pmu { struct pmu pmu; cpumask_t active_irqs; + cpumask_t valid_cpus; char *name; irqreturn_t (*handle_irq)(int irq_num, void *dev); void (*enable)(struct perf_event *event); @@ -81,16 +108,26 @@ struct arm_pmu { int (*request_irq)(struct arm_pmu *, irq_handler_t handler); void (*free_irq)(struct arm_pmu *); int (*map_event)(struct perf_event *event); + void (*save_regs)(struct arm_pmu *, struct cpupmu_regs *); + void (*restore_regs)(struct arm_pmu *, struct cpupmu_regs *); + void (*cpu_init)(struct arm_pmu *, struct arm_cpu_pmu *); int num_events; atomic_t active_events; struct mutex reserve_mutex; u64 max_period; struct platform_device *plat_device; - struct pmu_hw_events *(*get_hw_events)(void); + struct pmu_hw_events *(*get_hw_events)(struct arm_pmu *); + + struct list_head class_pmus_list; + struct arm_cpu_pmu __percpu *cpu_pmus; }; #define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu)) +#define for_each_pmu(pmu, head) list_for_each_entry(pmu, head, class_pmus_list) + +#define to_this_cpu_pmu(arm_pmu) this_cpu_ptr((arm_pmu)->cpu_pmus) + extern const struct dev_pm_ops armpmu_dev_pm_ops; int armpmu_register(struct arm_pmu *armpmu, int type); |