sh: perf events: Add preliminary support for SH-4A counters.

[pandora-kernel.git] / arch / sh / include / asm / perf_event.h

diff --git a/arch/sh/include/asm/perf_event.h b/arch/sh/include/asm/perf_event.h
index 11a3022..3d0c9f3 100644 (file)
--- a/arch/sh/include/asm/perf_event.h
+++ b/arch/sh/include/asm/perf_event.h
@@ -1,8 +1,35 @@
 #ifndef __ASM_SH_PERF_EVENT_H
 #define __ASM_SH_PERF_EVENT_H
 
-/* SH only supports software events through this interface. */
-static inline void set_perf_event_pending(void) {}
+struct hw_perf_event;
+
+#define MAX_HWEVENTS   2
+
+struct sh_pmu {
+       const char      *name;
+       unsigned int    num_events;
+       void            (*disable_all)(void);
+       void            (*enable_all)(void);
+       void            (*enable)(struct hw_perf_event *, int);
+       void            (*disable)(struct hw_perf_event *, int);
+       u64             (*read)(int);
+       int             (*event_map)(int);
+       unsigned int    max_events;
+       unsigned long   raw_event_mask;
+       const int       (*cache_events)[PERF_COUNT_HW_CACHE_MAX]
+                                      [PERF_COUNT_HW_CACHE_OP_MAX]
+                                      [PERF_COUNT_HW_CACHE_RESULT_MAX];
+};
+
+/* arch/sh/kernel/perf_event.c */
+extern int register_sh_pmu(struct sh_pmu *);
+extern int reserve_pmc_hardware(void);
+extern void release_pmc_hardware(void);
+
+static inline void set_perf_event_pending(void)
+{
+       /* Nothing to see here, move along. */
+}
 
 #define PERF_EVENT_INDEX_OFFSET        0