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Cody P Schafer2d1b21a2014-03-14 16:00:39 +11001#ifndef LINUX_POWERPC_PERF_HV_COMMON_H_
2#define LINUX_POWERPC_PERF_HV_COMMON_H_
3
Cody P Schafer7b43c672014-03-14 16:00:40 +11004#include <linux/perf_event.h>
Cody P Schafer2d1b21a2014-03-14 16:00:39 +11005#include <linux/types.h>
6
7struct 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
16unsigned long hv_perf_caps_get(struct hv_perf_caps *caps);
17
Cody P Schafer7b43c672014-03-14 16:00:40 +110018
19#define EVENT_DEFINE_RANGE_FORMAT(name, attr_var, bit_start, bit_end) \
20PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end); \
21EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end)
22
sukadev@linux.vnet.ibm.come08e5282015-01-30 13:45:59 -080023/*
24 * The EVENT_DEFINE_RANGE_FORMAT() macro above includes helper functions
25 * for the fields (eg: event_get_starting_index()). For some fields we
26 * need the bit-range definition, but no the helper functions. Define a
27 * lite version of the above macro without the helpers and silence
28 * compiler warnings unused static functions.
29 */
30#define EVENT_DEFINE_RANGE_FORMAT_LITE(name, attr_var, bit_start, bit_end) \
31PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end);
32
Cody P Schafer7b43c672014-03-14 16:00:40 +110033#define EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end) \
34static u64 event_get_##name##_max(void) \
35{ \
36 BUILD_BUG_ON((bit_start > bit_end) \
37 || (bit_end >= (sizeof(1ull) * 8))); \
38 return (((1ull << (bit_end - bit_start)) - 1) << 1) + 1; \
39} \
40static u64 event_get_##name(struct perf_event *event) \
41{ \
42 return (event->attr.attr_var >> (bit_start)) & \
43 event_get_##name##_max(); \
44}
45
Cody P Schafer2d1b21a2014-03-14 16:00:39 +110046#endif