69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2023 WANG Xuerui <git@xen0n.name>
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*/
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#ifndef _ASM_LOONGARCH_XOR_H
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#define _ASM_LOONGARCH_XOR_H
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#include <asm/cpu-features.h>
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#include <asm/xor_simd.h>
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#ifdef CONFIG_CPU_HAS_LSX
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static struct xor_block_template xor_block_lsx = {
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.name = "lsx",
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.do_2 = xor_lsx_2,
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.do_3 = xor_lsx_3,
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.do_4 = xor_lsx_4,
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.do_5 = xor_lsx_5,
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};
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#define XOR_SPEED_LSX() \
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do { \
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if (cpu_has_lsx) \
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xor_speed(&xor_block_lsx); \
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} while (0)
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#else /* CONFIG_CPU_HAS_LSX */
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#define XOR_SPEED_LSX()
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#endif /* CONFIG_CPU_HAS_LSX */
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#ifdef CONFIG_CPU_HAS_LASX
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static struct xor_block_template xor_block_lasx = {
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.name = "lasx",
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.do_2 = xor_lasx_2,
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.do_3 = xor_lasx_3,
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.do_4 = xor_lasx_4,
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.do_5 = xor_lasx_5,
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};
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#define XOR_SPEED_LASX() \
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do { \
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if (cpu_has_lasx) \
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xor_speed(&xor_block_lasx); \
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} while (0)
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#else /* CONFIG_CPU_HAS_LASX */
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#define XOR_SPEED_LASX()
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#endif /* CONFIG_CPU_HAS_LASX */
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/*
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* For grins, also test the generic routines.
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*
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* More importantly: it cannot be ruled out at this point of time, that some
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* future (maybe reduced) models could run the vector algorithms slower than
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* the scalar ones, maybe for errata or micro-op reasons. It may be
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* appropriate to revisit this after one or two more uarch generations.
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*/
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#include <asm-generic/xor.h>
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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_8regs_p); \
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xor_speed(&xor_block_32regs); \
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xor_speed(&xor_block_32regs_p); \
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XOR_SPEED_LSX(); \
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XOR_SPEED_LASX(); \
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} while (0)
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#endif /* _ASM_LOONGARCH_XOR_H */
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