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Diffstat (limited to 'arch/powerpc/include/asm/perf_counter.h')
-rw-r--r--arch/powerpc/include/asm/perf_counter.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/perf_counter.h b/arch/powerpc/include/asm/perf_counter.h
index 9d7ff6d7fb5..56d66c38143 100644
--- a/arch/powerpc/include/asm/perf_counter.h
+++ b/arch/powerpc/include/asm/perf_counter.h
@@ -12,6 +12,7 @@
#define MAX_HWCOUNTERS 8
#define MAX_EVENT_ALTERNATIVES 8
+#define MAX_LIMITED_HWCOUNTERS 2
/*
* This struct provides the constants and functions needed to
@@ -25,8 +26,11 @@ struct power_pmu {
int (*compute_mmcr)(unsigned int events[], int n_ev,
unsigned int hwc[], u64 mmcr[]);
int (*get_constraint)(unsigned int event, u64 *mskp, u64 *valp);
- int (*get_alternatives)(unsigned int event, unsigned int alt[]);
+ int (*get_alternatives)(unsigned int event, unsigned int flags,
+ unsigned int alt[]);
void (*disable_pmc)(unsigned int pmc, u64 mmcr[]);
+ int (*limited_pmc_event)(unsigned int event);
+ int limited_pmc5_6; /* PMC5 and PMC6 have limited function */
int n_generic;
int *generic_events;
};
@@ -34,6 +38,13 @@ struct power_pmu {
extern struct power_pmu *ppmu;
/*
+ * Values for flags to get_alternatives()
+ */
+#define PPMU_LIMITED_PMC_OK 1 /* can put this on a limited PMC */
+#define PPMU_LIMITED_PMC_REQD 2 /* have to put this on a limited PMC */
+#define PPMU_ONLY_COUNT_RUN 4 /* only counting in run state */
+
+/*
* The power_pmu.get_constraint function returns a 64-bit value and
* a 64-bit mask that express the constraints between this event and
* other events.