diff options
Diffstat (limited to 'lib/crc/riscv/crc-t10dif.h')
-rw-r--r-- | lib/crc/riscv/crc-t10dif.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/crc/riscv/crc-t10dif.h b/lib/crc/riscv/crc-t10dif.h new file mode 100644 index 000000000000..cd6136cbfda1 --- /dev/null +++ b/lib/crc/riscv/crc-t10dif.h @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * RISC-V optimized CRC-T10DIF function + * + * Copyright 2025 Google LLC + */ + +#include <asm/hwcap.h> +#include <asm/alternative-macros.h> + +#include "crc-clmul.h" + +static inline u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len) +{ + if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC)) + return crc16_msb_clmul(crc, p, len, &crc16_msb_0x8bb7_consts); + return crc_t10dif_generic(crc, p, len); +} |