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| author |   Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2018-08-27 17:38:11 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-09-04 11:37:04 +0800 |
| commit | 6c1b0da13e521fa5cb4a3541b991efb100aced35 (patch) | |
| tree | 42ece499bee97e5d059cf2237f513964c8c0b1e7 /arch/arm64/crypto/crct10dif-ce-glue.c | |
| parent | crypto: arm64/crc32 - remove PMULL based CRC32 driver (diff) | |
| download | linux-dev-6c1b0da13e521fa5cb4a3541b991efb100aced35.tar.xz linux-dev-6c1b0da13e521fa5cb4a3541b991efb100aced35.zip | |
crypto: arm64/crct10dif - preparatory refactor for 8x8 PMULL version
Reorganize the CRC-T10DIF asm routine so we can easily instantiate an
alternative version based on 8x8 polynomial multiplication in a
subsequent patch.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/crypto/crct10dif-ce-glue.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/crypto/crct10dif-ce-glue.c b/arch/arm64/crypto/crct10dif-ce-glue.c index 96f0cae4a022..343a1e95b11a 100644 --- a/arch/arm64/crypto/crct10dif-ce-glue.c +++ b/arch/arm64/crypto/crct10dif-ce-glue.c @@ -22,7 +22,9 @@ #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); + +static u16 (*crc_t10dif_pmull)(u16 init_crc, const u8 buf[], u64 len); static int crct10dif_init(struct shash_desc *desc) { @@ -85,6 +87,8 @@ static struct shash_alg crc_t10dif_alg = { static int __init crc_t10dif_mod_init(void) { + crc_t10dif_pmull = crc_t10dif_pmull_p64; + return crypto_register_shash(&crc_t10dif_alg); } |