diff options
Diffstat (limited to 'arch/arm64/crypto/crct10dif-ce-glue.c')
| -rw-r--r-- | arch/arm64/crypto/crct10dif-ce-glue.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm64/crypto/crct10dif-ce-glue.c b/arch/arm64/crypto/crct10dif-ce-glue.c index 96f0cae4a022..b461d62023f2 100644 --- a/arch/arm64/crypto/crct10dif-ce-glue.c +++ b/arch/arm64/crypto/crct10dif-ce-glue.c @@ -22,7 +22,10 @@ #define CRC_T10DIF_PMULL_CHUNK_SIZE 16U -asmlinkage u16 crc_t10dif_pmull(u16 init_crc, const u8 buf[], u64 len); +asmlinkage u16 crc_t10dif_pmull_p64(u16 init_crc, const u8 buf[], u64 len); +asmlinkage u16 crc_t10dif_pmull_p8(u16 init_crc, const u8 buf[], u64 len); + +static u16 (*crc_t10dif_pmull)(u16 init_crc, const u8 buf[], u64 len); static int crct10dif_init(struct shash_desc *desc) { @@ -85,6 +88,11 @@ static struct shash_alg crc_t10dif_alg = { static int __init crc_t10dif_mod_init(void) { + if (elf_hwcap & HWCAP_PMULL) + crc_t10dif_pmull = crc_t10dif_pmull_p64; + else + crc_t10dif_pmull = crc_t10dif_pmull_p8; + return crypto_register_shash(&crc_t10dif_alg); } @@ -93,8 +101,10 @@ static void __exit crc_t10dif_mod_exit(void) crypto_unregister_shash(&crc_t10dif_alg); } -module_cpu_feature_match(PMULL, crc_t10dif_mod_init); +module_cpu_feature_match(ASIMD, crc_t10dif_mod_init); module_exit(crc_t10dif_mod_exit); MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>"); MODULE_LICENSE("GPL v2"); +MODULE_ALIAS_CRYPTO("crct10dif"); +MODULE_ALIAS_CRYPTO("crct10dif-arm64-ce"); |