1 files changed, 36 insertions, 0 deletions
diff --git a/arch/powerpc/perf/hv-common.h b/arch/powerpc/perf/hv-common.h
new file mode 100644
index 00000000000..5d79cecbd73
--- /dev/null
+++ b/arch/powerpc/perf/hv-common.h
@@ -0,0 +1,36 @@
+#ifndef LINUX_POWERPC_PERF_HV_COMMON_H_
+#define LINUX_POWERPC_PERF_HV_COMMON_H_
+
+#include <linux/perf_event.h>
+#include <linux/types.h>
+
+struct hv_perf_caps {
+	u16 version;
+	u16 collect_privileged:1,
+	    ga:1,
+	    expanded:1,
+	    lab:1,
+	    unused:12;
+};
+
+unsigned long hv_perf_caps_get(struct hv_perf_caps *caps);
+
+
+#define EVENT_DEFINE_RANGE_FORMAT(name, attr_var, bit_start, bit_end)	\
+PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end);		\
+EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)
+
+#define EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)	\
+static u64 event_get_##name##_max(void)					\
+{									\
+	BUILD_BUG_ON((bit_start > bit_end)				\
+		    || (bit_end >= (sizeof(1ull) * 8)));		\
+	return (((1ull << (bit_end - bit_start)) - 1) << 1) + 1;	\
+}									\
+static u64 event_get_##name(struct perf_event *event)			\
+{									\
+	return (event->attr.attr_var >> (bit_start)) &			\
+		event_get_##name##_max();				\
+}
+
+#endif