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>
28 lines
708 B
C
28 lines
708 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* RISC-V optimized CRC64 functions
|
|
*
|
|
* Copyright 2025 Google LLC
|
|
*/
|
|
|
|
#include <asm/hwcap.h>
|
|
#include <asm/alternative-macros.h>
|
|
|
|
#include "crc-clmul.h"
|
|
|
|
static inline u64 crc64_be_arch(u64 crc, const u8 *p, size_t len)
|
|
{
|
|
if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
|
|
return crc64_msb_clmul(crc, p, len,
|
|
&crc64_msb_0x42f0e1eba9ea3693_consts);
|
|
return crc64_be_generic(crc, p, len);
|
|
}
|
|
|
|
static inline u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len)
|
|
{
|
|
if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
|
|
return crc64_lsb_clmul(crc, p, len,
|
|
&crc64_lsb_0x9a6c9329ac4bc9b5_consts);
|
|
return crc64_nvme_generic(crc, p, len);
|
|
}
|