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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright 2023 Rivos, Inc
*/
#ifndef _ASM_HWPROBE_H
#define _ASM_HWPROBE_H
#include <uapi/asm/hwprobe.h>
#define RISCV_HWPROBE_MAX_KEY 6
static inline bool riscv_hwprobe_key_is_valid(__s64 key)
{
return key >= 0 && key <= RISCV_HWPROBE_MAX_KEY;
}
static inline bool hwprobe_key_is_bitmask(__s64 key)
{
switch (key) {
case RISCV_HWPROBE_KEY_BASE_BEHAVIOR:
case RISCV_HWPROBE_KEY_IMA_EXT_0:
case RISCV_HWPROBE_KEY_CPUPERF_0:
return true;
}
return false;
}
static inline bool riscv_hwprobe_pair_cmp(struct riscv_hwprobe *pair,
struct riscv_hwprobe *other_pair)
{
if (pair->key != other_pair->key)
return false;
if (hwprobe_key_is_bitmask(pair->key))
return (pair->value & other_pair->value) == other_pair->value;
return pair->value == other_pair->value;
}
#endif