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 9 12 13 static inline bool riscv_hwprobe_key_is_valid(__s64 key) 14 { 15 return key >= 0 && key <= RISCV_HWPROBE_MAX_KEY; 16 } 17 18 static 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 30 static 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