diff options
author | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-04-11 10:41:07 +0300 |
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committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-04-13 08:17:18 +0300 |
commit | e09b41010ba33a20a87472ee821fa407a5b8da36 (patch) | |
tree | d10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/arch/arm/include/asm/pmu.h | |
parent | f93b97fd65072de626c074dbe099a1fff05ce060 (diff) |
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page.
During the rebasing, the following patch collided:
Force tick interrupt and get rid of softirq magic(I70131fb85).
Collisions have been removed because its logic was found on the
source already.
Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/arch/arm/include/asm/pmu.h')
-rw-r--r-- | kernel/arch/arm/include/asm/pmu.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/kernel/arch/arm/include/asm/pmu.h b/kernel/arch/arm/include/asm/pmu.h deleted file mode 100644 index 675e4ab79..000000000 --- a/kernel/arch/arm/include/asm/pmu.h +++ /dev/null @@ -1,163 +0,0 @@ -/* - * linux/arch/arm/include/asm/pmu.h - * - * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#ifndef __ARM_PMU_H__ -#define __ARM_PMU_H__ - -#include <linux/interrupt.h> -#include <linux/perf_event.h> - -#include <asm/cputype.h> - -/* - * struct arm_pmu_platdata - ARM PMU platform data - * - * @handle_irq: an optional handler which will be called from the - * interrupt and passed the address of the low level handler, - * and can be used to implement any platform specific handling - * before or after calling it. - * @runtime_resume: an optional handler which will be called by the - * runtime PM framework following a call to pm_runtime_get(). - * Note that if pm_runtime_get() is called more than once in - * succession this handler will only be called once. - * @runtime_suspend: an optional handler which will be called by the - * runtime PM framework following a call to pm_runtime_put(). - * Note that if pm_runtime_get() is called more than once in - * succession this handler will only be called following the - * final call to pm_runtime_put() that actually disables the - * hardware. - */ -struct arm_pmu_platdata { - irqreturn_t (*handle_irq)(int irq, void *dev, - irq_handler_t pmu_handler); - int (*runtime_resume)(struct device *dev); - int (*runtime_suspend)(struct device *dev); -}; - -#ifdef CONFIG_HW_PERF_EVENTS - -/* - * The ARMv7 CPU PMU supports up to 32 event counters. - */ -#define ARMPMU_MAX_HWEVENTS 32 - -#define HW_OP_UNSUPPORTED 0xFFFF -#define C(_x) PERF_COUNT_HW_CACHE_##_x -#define CACHE_OP_UNSUPPORTED 0xFFFF - -#define PERF_MAP_ALL_UNSUPPORTED \ - [0 ... PERF_COUNT_HW_MAX - 1] = HW_OP_UNSUPPORTED - -#define PERF_CACHE_MAP_ALL_UNSUPPORTED \ -[0 ... C(MAX) - 1] = { \ - [0 ... C(OP_MAX) - 1] = { \ - [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ - }, \ -} - -/* The events for a given PMU register set. */ -struct pmu_hw_events { - /* - * The events that are active on the PMU for the given index. - */ - struct perf_event *events[ARMPMU_MAX_HWEVENTS]; - - /* - * A 1 bit for an index indicates that the counter is being used for - * an event. A 0 means that the counter can be used. - */ - DECLARE_BITMAP(used_mask, ARMPMU_MAX_HWEVENTS); - - /* - * Hardware lock to serialize accesses to PMU registers. Needed for the - * read/modify/write sequences. - */ - raw_spinlock_t pmu_lock; - - /* - * When using percpu IRQs, we need a percpu dev_id. Place it here as we - * already have to allocate this struct per cpu. - */ - struct arm_pmu *percpu_pmu; -}; - -struct arm_pmu { - struct pmu pmu; - cpumask_t active_irqs; - int *irq_affinity; - char *name; - irqreturn_t (*handle_irq)(int irq_num, void *dev); - void (*enable)(struct perf_event *event); - void (*disable)(struct perf_event *event); - int (*get_event_idx)(struct pmu_hw_events *hw_events, - struct perf_event *event); - void (*clear_event_idx)(struct pmu_hw_events *hw_events, - struct perf_event *event); - int (*set_event_filter)(struct hw_perf_event *evt, - struct perf_event_attr *attr); - u32 (*read_counter)(struct perf_event *event); - void (*write_counter)(struct perf_event *event, u32 val); - void (*start)(struct arm_pmu *); - void (*stop)(struct arm_pmu *); - void (*reset)(void *); - int (*request_irq)(struct arm_pmu *, irq_handler_t handler); - void (*free_irq)(struct arm_pmu *); - int (*map_event)(struct perf_event *event); - int num_events; - atomic_t active_events; - struct mutex reserve_mutex; - u64 max_period; - struct platform_device *plat_device; - struct pmu_hw_events __percpu *hw_events; - struct notifier_block hotplug_nb; -}; - -#define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu)) - -extern const struct dev_pm_ops armpmu_dev_pm_ops; - -int armpmu_register(struct arm_pmu *armpmu, int type); - -u64 armpmu_event_update(struct perf_event *event); - -int armpmu_event_set_period(struct perf_event *event); - -int armpmu_map_event(struct perf_event *event, - const unsigned (*event_map)[PERF_COUNT_HW_MAX], - const unsigned (*cache_map)[PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX], - u32 raw_event_mask); - -struct pmu_probe_info { - unsigned int cpuid; - unsigned int mask; - int (*init)(struct arm_pmu *); -}; - -#define PMU_PROBE(_cpuid, _mask, _fn) \ -{ \ - .cpuid = (_cpuid), \ - .mask = (_mask), \ - .init = (_fn), \ -} - -#define ARM_PMU_PROBE(_cpuid, _fn) \ - PMU_PROBE(_cpuid, ARM_CPU_PART_MASK, _fn) - -#define ARM_PMU_XSCALE_MASK ((0xff << 24) | ARM_CPU_XSCALE_ARCH_MASK) - -#define XSCALE_PMU_PROBE(_version, _fn) \ - PMU_PROBE(ARM_CPU_IMP_INTEL << 24 | _version, ARM_PMU_XSCALE_MASK, _fn) - -#endif /* CONFIG_HW_PERF_EVENTS */ - -#endif /* __ARM_PMU_H__ */ |