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>
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2021 SiFive
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*/
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#include <linux/hardirq.h>
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#include <asm-generic/xor.h>
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#ifdef CONFIG_RISCV_ISA_V
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#include <asm/vector.h>
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#include <asm/switch_to.h>
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#include <asm/asm-prototypes.h>
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static void xor_vector_2(unsigned long bytes, unsigned long *__restrict p1,
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const unsigned long *__restrict p2)
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{
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kernel_vector_begin();
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xor_regs_2_(bytes, p1, p2);
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kernel_vector_end();
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}
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static void xor_vector_3(unsigned long bytes, unsigned long *__restrict p1,
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const unsigned long *__restrict p2,
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const unsigned long *__restrict p3)
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{
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kernel_vector_begin();
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xor_regs_3_(bytes, p1, p2, p3);
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kernel_vector_end();
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}
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static void xor_vector_4(unsigned long bytes, unsigned long *__restrict p1,
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const unsigned long *__restrict p2,
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const unsigned long *__restrict p3,
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const unsigned long *__restrict p4)
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{
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kernel_vector_begin();
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xor_regs_4_(bytes, p1, p2, p3, p4);
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kernel_vector_end();
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}
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static void xor_vector_5(unsigned long bytes, unsigned long *__restrict p1,
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const unsigned long *__restrict p2,
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const unsigned long *__restrict p3,
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const unsigned long *__restrict p4,
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const unsigned long *__restrict p5)
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{
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kernel_vector_begin();
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xor_regs_5_(bytes, p1, p2, p3, p4, p5);
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kernel_vector_end();
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}
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static struct xor_block_template xor_block_rvv = {
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.name = "rvv",
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.do_2 = xor_vector_2,
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.do_3 = xor_vector_3,
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.do_4 = xor_vector_4,
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.do_5 = xor_vector_5
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};
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#undef XOR_TRY_TEMPLATES
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#define XOR_TRY_TEMPLATES \
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do { \
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xor_speed(&xor_block_8regs); \
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xor_speed(&xor_block_32regs); \
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if (has_vector()) { \
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xor_speed(&xor_block_rvv);\
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} \
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} while (0)
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#endif
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