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/* 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
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