Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 145 insertions, 0 deletions

diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
new file mode 100644
index 00000000..90114faa
--- /dev/null
+++ b/arch/arm/include/asm/pmu.h
@@ -0,0 +1,145 @@
+/*
+ *  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>
+
+/*
+ * Types of PMUs that can be accessed directly and require mutual
+ * exclusion between profiling tools.
+ */
+enum arm_pmu_type {
+	ARM_PMU_DEVICE_CPU	= 0,
+	ARM_NUM_PMU_DEVICES,
+};
+
+/*
+ * 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.
+ * @enable_irq: an optional handler which will be called after
+ *	request_irq and be used to handle some platform specific
+ *	irq enablement
+ * @disable_irq: an optional handler which will be called before
+ *	free_irq and be used to handle some platform specific
+ *	irq disablement
+ */
+struct arm_pmu_platdata {
+	irqreturn_t (*handle_irq)(int irq, void *dev,
+				  irq_handler_t pmu_handler);
+	void (*enable_irq)(int irq);
+	void (*disable_irq)(int irq);
+};
+
+#ifdef CONFIG_CPU_HAS_PMU
+
+/**
+ * reserve_pmu() - reserve the hardware performance counters
+ *
+ * Reserve the hardware performance counters in the system for exclusive use.
+ * Returns 0 on success or -EBUSY if the lock is already held.
+ */
+extern int
+reserve_pmu(enum arm_pmu_type type);
+
+/**
+ * release_pmu() - Relinquish control of the performance counters
+ *
+ * Release the performance counters and allow someone else to use them.
+ */
+extern void
+release_pmu(enum arm_pmu_type type);
+
+#else /* CONFIG_CPU_HAS_PMU */
+
+#include <linux/err.h>
+
+static inline int
+reserve_pmu(enum arm_pmu_type type)
+{
+	return -ENODEV;
+}
+
+static inline void
+release_pmu(enum arm_pmu_type type)	{ }
+
+#endif /* CONFIG_CPU_HAS_PMU */
+
+#ifdef CONFIG_HW_PERF_EVENTS
+
+/* 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;
+
+	/*
+	 * 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.
+	 */
+	unsigned long           *used_mask;
+
+	/*
+	 * Hardware lock to serialize accesses to PMU registers. Needed for the
+	 * read/modify/write sequences.
+	 */
+	raw_spinlock_t		pmu_lock;
+};
+
+struct arm_pmu {
+	struct pmu	pmu;
+	enum arm_perf_pmu_ids id;
+	enum arm_pmu_type type;
+	cpumask_t	active_irqs;
+	const char	*name;
+	irqreturn_t	(*handle_irq)(int irq_num, void *dev);
+	void		(*enable)(struct hw_perf_event *evt, int idx);
+	void		(*disable)(struct hw_perf_event *evt, int idx);
+	int		(*get_event_idx)(struct pmu_hw_events *hw_events,
+					 struct hw_perf_event *hwc);
+	int		(*set_event_filter)(struct hw_perf_event *evt,
+					    struct perf_event_attr *attr);
+	u32		(*read_counter)(int idx);
+	void		(*write_counter)(int idx, u32 val);
+	void		(*start)(void);
+	void		(*stop)(void);
+	void		(*reset)(void *);
+	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	*(*get_hw_events)(void);
+};
+
+#define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu))
+
+int __init armpmu_register(struct arm_pmu *armpmu, char *name, int type);
+
+u64 armpmu_event_update(struct perf_event *event,
+			struct hw_perf_event *hwc,
+			int idx);
+
+int armpmu_event_set_period(struct perf_event *event,
+			    struct hw_perf_event *hwc,
+			    int idx);
+
+#endif /* CONFIG_HW_PERF_EVENTS */
+
+#endif /* __ARM_PMU_H__ */