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8bf3e17898
Wire up crc_t10dif_arch() for RISC-V using crc-clmul-template.h. This greatly improves CRC-T10DIF performance on Zbc-capable CPUs. Tested-by: Björn Töpel <bjorn@rivosinc.com> Acked-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20250216225530.306980-4-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>
25 lines
597 B
C
25 lines
597 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* RISC-V optimized CRC-T10DIF function
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*
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* Copyright 2025 Google LLC
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*/
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#include <asm/hwcap.h>
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#include <asm/alternative-macros.h>
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#include <linux/crc-t10dif.h>
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#include <linux/module.h>
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#include "crc-clmul.h"
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u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len)
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{
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if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
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return crc16_msb_clmul(crc, p, len, &crc16_msb_0x8bb7_consts);
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return crc_t10dif_generic(crc, p, len);
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}
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EXPORT_SYMBOL(crc_t10dif_arch);
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MODULE_DESCRIPTION("RISC-V optimized CRC-T10DIF function");
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MODULE_LICENSE("GPL");
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