xref: /linux/arch/powerpc/perf/hv-common.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 #ifndef LINUX_POWERPC_PERF_HV_COMMON_H_
2 #define LINUX_POWERPC_PERF_HV_COMMON_H_
3 
4 #include <linux/perf_event.h>
5 #include <linux/types.h>
6 
7 struct hv_perf_caps {
8 	u16 version;
9 	u16 collect_privileged:1,
10 	    ga:1,
11 	    expanded:1,
12 	    lab:1,
13 	    unused:12;
14 };
15 
16 unsigned long hv_perf_caps_get(struct hv_perf_caps *caps);
17 
18 
19 #define EVENT_DEFINE_RANGE_FORMAT(name, attr_var, bit_start, bit_end)	\
20 PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end);		\
21 EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)
22 
23 #define EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)	\
24 static u64 event_get_##name##_max(void)					\
25 {									\
26 	BUILD_BUG_ON((bit_start > bit_end)				\
27 		    || (bit_end >= (sizeof(1ull) * 8)));		\
28 	return (((1ull << (bit_end - bit_start)) - 1) << 1) + 1;	\
29 }									\
30 static u64 event_get_##name(struct perf_event *event)			\
31 {									\
32 	return (event->attr.attr_var >> (bit_start)) &			\
33 		event_get_##name##_max();				\
34 }
35 
36 #endif
37