| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
|---|---|
| 2 | /* |
| 3 | * RISC-V optimized CRC-T10DIF function |
| 4 | * |
| 5 | * Copyright 2025 Google LLC |
| 6 | */ |
| 7 | |
| 8 | #include <asm/hwcap.h> |
| 9 | #include <asm/alternative-macros.h> |
| 10 | #include <linux/crc-t10dif.h> |
| 11 | #include <linux/module.h> |
| 12 | |
| 13 | #include "crc-clmul.h" |
| 14 | |
| 15 | u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len) |
| 16 | { |
| 17 | if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC)) |
| 18 | return crc16_msb_clmul(crc, p, len, consts: &crc16_msb_0x8bb7_consts); |
| 19 | return crc_t10dif_generic(crc, p, len); |
| 20 | } |
| 21 | EXPORT_SYMBOL(crc_t10dif_arch); |
| 22 | |
| 23 | MODULE_DESCRIPTION("RISC-V optimized CRC-T10DIF function"); |
| 24 | MODULE_LICENSE("GPL"); |
| 25 |