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