Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright 2024 Institute of Software, CAS.
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*
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* raid6/rvv.h
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*
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* Definitions for RISC-V RAID-6 code
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*/
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#ifdef __KERNEL__
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#include <asm/vector.h>
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#else
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#define kernel_vector_begin()
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#define kernel_vector_end()
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#include <sys/auxv.h>
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#include <asm/hwcap.h>
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#define has_vector() (getauxval(AT_HWCAP) & COMPAT_HWCAP_ISA_V)
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#endif
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#include <linux/raid/pq.h>
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static int rvv_has_vector(void)
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{
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return has_vector();
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}
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#define RAID6_RVV_WRAPPER(_n) \
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static void raid6_rvv ## _n ## _gen_syndrome(int disks, \
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size_t bytes, void **ptrs) \
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{ \
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void raid6_rvv ## _n ## _gen_syndrome_real(int d, \
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unsigned long b, void **p); \
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kernel_vector_begin(); \
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raid6_rvv ## _n ## _gen_syndrome_real(disks, \
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(unsigned long)bytes, ptrs); \
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kernel_vector_end(); \
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} \
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static void raid6_rvv ## _n ## _xor_syndrome(int disks, \
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int start, int stop, \
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size_t bytes, void **ptrs) \
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{ \
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void raid6_rvv ## _n ## _xor_syndrome_real(int d, \
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int s1, int s2, \
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unsigned long b, void **p); \
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kernel_vector_begin(); \
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raid6_rvv ## _n ## _xor_syndrome_real(disks, \
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start, stop, (unsigned long)bytes, ptrs); \
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kernel_vector_end(); \
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} \
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struct raid6_calls const raid6_rvvx ## _n = { \
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raid6_rvv ## _n ## _gen_syndrome, \
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raid6_rvv ## _n ## _xor_syndrome, \
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rvv_has_vector, \
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"rvvx" #_n, \
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0 \
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}
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