Release 4.14 arch/powerpc/perf/hv-common.h

/* 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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Directory: arch/powerpc/perf

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