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 /* 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) \ 31 PMU_FORMAT_ATTR(name, #attr_var ":" #bit_start "-" #bit_end); 32 33 #define EVENT_DEFINE_RANGE(name, attr_var, bit_start, bit_end) \ 34 static 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 } \ 40 static u64 event_get_##name(struct perf_event *event) \ 41 { \ 42 return (event->attr.attr_var >> (bit_start)) & \ 43 event_get_##name##_max(); \ 44 } 45 46 #endif 47