1*ea3de9ceSEvan Green /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*ea3de9ceSEvan Green /* 3*ea3de9ceSEvan Green * Copyright 2023 Rivos, Inc 4*ea3de9ceSEvan Green */ 5*ea3de9ceSEvan Green 6*ea3de9ceSEvan Green #ifndef _UAPI_ASM_HWPROBE_H 7*ea3de9ceSEvan Green #define _UAPI_ASM_HWPROBE_H 8*ea3de9ceSEvan Green 9*ea3de9ceSEvan Green #include <linux/types.h> 10*ea3de9ceSEvan Green 11*ea3de9ceSEvan Green /* 12*ea3de9ceSEvan Green * Interface for probing hardware capabilities from userspace, see 13*ea3de9ceSEvan Green * Documentation/riscv/hwprobe.rst for more information. 14*ea3de9ceSEvan Green */ 15*ea3de9ceSEvan Green struct riscv_hwprobe { 16*ea3de9ceSEvan Green __s64 key; 17*ea3de9ceSEvan Green __u64 value; 18*ea3de9ceSEvan Green }; 19*ea3de9ceSEvan Green 20*ea3de9ceSEvan Green #define RISCV_HWPROBE_KEY_MVENDORID 0 21*ea3de9ceSEvan Green #define RISCV_HWPROBE_KEY_MARCHID 1 22*ea3de9ceSEvan Green #define RISCV_HWPROBE_KEY_MIMPID 2 23*ea3de9ceSEvan Green /* Increase RISCV_HWPROBE_MAX_KEY when adding items. */ 24*ea3de9ceSEvan Green 25*ea3de9ceSEvan Green #endif 26