1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * Copyright 2023 Rivos, Inc 4 */ 5 6#ifndef _ASM_HWPROBE_H 7#define _ASM_HWPROBE_H 8 9#include <uapi/asm/hwprobe.h> 10 11#define RISCV_HWPROBE_MAX_KEY 6 12 13static inline bool riscv_hwprobe_key_is_valid(__s64 key) 14{ 15 return key >= 0 && key <= RISCV_HWPROBE_MAX_KEY; 16} 17 18static inline bool hwprobe_key_is_bitmask(__s64 key) 19{ 20 switch (key) { 21 case RISCV_HWPROBE_KEY_BASE_BEHAVIOR: 22 case RISCV_HWPROBE_KEY_IMA_EXT_0: 23 case RISCV_HWPROBE_KEY_CPUPERF_0: 24 return true; 25 } 26 27 return false; 28} 29 30static inline bool riscv_hwprobe_pair_cmp(struct riscv_hwprobe *pair, 31 struct riscv_hwprobe *other_pair) 32{ 33 if (pair->key != other_pair->key) 34 return false; 35 36 if (hwprobe_key_is_bitmask(pair->key)) 37 return (pair->value & other_pair->value) == other_pair->value; 38 39 return pair->value == other_pair->value; 40} 41 42#endif 43