/* SPDX-License-Identifier: GPL-2.0 */ #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) /* * The EVENT_DEFINE_RANGE_FORMAT() macro above includes helper functions * for the fields (eg: event_get_starting_index()). For some fields we * need the bit-range definition, but no the helper functions. Define a * lite version of the above macro without the helpers and silence * compiler warnings unused static functions. */ #define EVENT_DEFINE_RANGE_FORMAT_LITE(name, attr_var, bit_start, bit_end) \ PMU_FORMAT_ATTR(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