| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * Copyright (C) 2023 WANG Xuerui <git@xen0n.name> | |
| * | |
| * raid6/loongarch.h | |
| * | |
| * Definitions common to LoongArch RAID-6 code only | |
| */ | |
| #ifndef _LIB_RAID6_LOONGARCH_H | |
| #define _LIB_RAID6_LOONGARCH_H | |
| #ifdef __KERNEL__ | |
| #include <asm/cpu-features.h> | |
| #include <asm/fpu.h> | |
| #else /* for user-space testing */ | |
| #include <sys/auxv.h> | |
| /* have to supply these defines for glibc 2.37- and musl */ | |
| #ifndef HWCAP_LOONGARCH_LSX | |
| #define HWCAP_LOONGARCH_LSX (1 << 4) | |
| #endif | |
| #ifndef HWCAP_LOONGARCH_LASX | |
| #define HWCAP_LOONGARCH_LASX (1 << 5) | |
| #endif | |
| #define kernel_fpu_begin() | |
| #define kernel_fpu_end() | |
| #define cpu_has_lsx (getauxval(AT_HWCAP) & HWCAP_LOONGARCH_LSX) | |
| #define cpu_has_lasx (getauxval(AT_HWCAP) & HWCAP_LOONGARCH_LASX) | |
| #endif /* __KERNEL__ */ | |
| #endif /* _LIB_RAID6_LOONGARCH_H */ |