/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright 2023 Rivos, Inc */ #ifndef _UAPI_ASM_HWPROBE_H #define _UAPI_ASM_HWPROBE_H #include /* * Interface for probing hardware capabilities from userspace, see * Documentation/arch/riscv/hwprobe.rst for more information. */ struct riscv_hwprobe { __s64 key; __u64 value; }; #define RISCV_HWPROBE_KEY_MVENDORID 0 #define RISCV_HWPROBE_KEY_MARCHID 1 #define RISCV_HWPROBE_KEY_MIMPID 2 #define RISCV_HWPROBE_KEY_BASE_BEHAVIOR 3 #define RISCV_HWPROBE_BASE_BEHAVIOR_IMA (1 << 0) #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 #define RISCV_HWPROBE_IMA_FD (1 << 0) #define RISCV_HWPROBE_IMA_C (1 << 1) #define RISCV_HWPROBE_IMA_V (1 << 2) #define RISCV_HWPROBE_EXT_ZBA (1 << 3) #define RISCV_HWPROBE_EXT_ZBB (1 << 4) #define RISCV_HWPROBE_EXT_ZBS (1 << 5) #define RISCV_HWPROBE_EXT_ZICBOZ (1 << 6) #define RISCV_HWPROBE_EXT_ZBC (1 << 7) #define RISCV_HWPROBE_EXT_ZBKB (1 << 8) #define RISCV_HWPROBE_EXT_ZBKC (1 << 9) #define RISCV_HWPROBE_EXT_ZBKX (1 << 10) #define RISCV_HWPROBE_EXT_ZKND (1 << 11) #define RISCV_HWPROBE_EXT_ZKNE (1 << 12) #define RISCV_HWPROBE_EXT_ZKNH (1 << 13) #define RISCV_HWPROBE_EXT_ZKSED (1 << 14) #define RISCV_HWPROBE_EXT_ZKSH (1 << 15) #define RISCV_HWPROBE_EXT_ZKT (1 << 16) #define RISCV_HWPROBE_EXT_ZVBB (1 << 17) #define RISCV_HWPROBE_EXT_ZVBC (1 << 18) #define RISCV_HWPROBE_EXT_ZVKB (1 << 19) #define RISCV_HWPROBE_EXT_ZVKG (1 << 20) #define RISCV_HWPROBE_EXT_ZVKNED (1 << 21) #define RISCV_HWPROBE_EXT_ZVKNHA (1 << 22) #define RISCV_HWPROBE_EXT_ZVKNHB (1 << 23) #define RISCV_HWPROBE_EXT_ZVKSED (1 << 24) #define RISCV_HWPROBE_EXT_ZVKSH (1 << 25) #define RISCV_HWPROBE_EXT_ZVKT (1 << 26) #define RISCV_HWPROBE_EXT_ZFH (1 << 27) #define RISCV_HWPROBE_EXT_ZFHMIN (1 << 28) #define RISCV_HWPROBE_EXT_ZIHINTNTL (1 << 29) #define RISCV_HWPROBE_EXT_ZVFH (1 << 30) #define RISCV_HWPROBE_EXT_ZVFHMIN (1 << 31) #define RISCV_HWPROBE_EXT_ZFA (1ULL << 32) #define RISCV_HWPROBE_EXT_ZTSO (1ULL << 33) #define RISCV_HWPROBE_EXT_ZACAS (1ULL << 34) #define RISCV_HWPROBE_EXT_ZICOND (1ULL << 35) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) #define RISCV_HWPROBE_MISALIGNED_SLOW (2 << 0) #define RISCV_HWPROBE_MISALIGNED_FAST (3 << 0) #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) #define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6 /* Increase RISCV_HWPROBE_MAX_KEY when adding items. */ /* Flags */ #define RISCV_HWPROBE_WHICH_CPUS (1 << 0) #endif