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[0/2] crypto: arm64/aes-ce - implement 5-way interleave for some modes

Message ID 20190624173831.8375-1-ard.biesheuvel@linaro.org
Headers show
Series crypto: arm64/aes-ce - implement 5-way interleave for some modes | expand

Message

Ard Biesheuvel June 24, 2019, 5:38 p.m. UTC 
As it turns out, even a 4-way interleave is not sufficient to saturate
the ThunderX2 pipeline with AES instructions, so this series implements
5-way interleave for modes that can be modified without running out of
registers to maintain chaining mode state across the encryption operation,
i.e., ECB, CBC-decryption and CTR.

Ard Biesheuvel (2):
  crypto: arm64/aes-ce - add 5 way interleave routines
  crypto: arm64/aes-ce - implement 5 way interleave for ECB, CBC and CTR

 arch/arm64/crypto/aes-ce.S    |  60 ++++++----
 arch/arm64/crypto/aes-modes.S | 118 +++++++++++++++-----
 arch/arm64/crypto/aes-neon.S  |  48 +-------
 3 files changed, 127 insertions(+), 99 deletions(-)

-- 
2.20.1

Comments

Herbert Xu July 3, 2019, 2:27 p.m. UTC | #1 
On Mon, Jun 24, 2019 at 07:38:29PM +0200, Ard Biesheuvel wrote:
> As it turns out, even a 4-way interleave is not sufficient to saturate

> the ThunderX2 pipeline with AES instructions, so this series implements

> 5-way interleave for modes that can be modified without running out of

> registers to maintain chaining mode state across the encryption operation,

> i.e., ECB, CBC-decryption and CTR.

> 

> Ard Biesheuvel (2):

>   crypto: arm64/aes-ce - add 5 way interleave routines

>   crypto: arm64/aes-ce - implement 5 way interleave for ECB, CBC and CTR

> 

>  arch/arm64/crypto/aes-ce.S    |  60 ++++++----

>  arch/arm64/crypto/aes-modes.S | 118 +++++++++++++++-----

>  arch/arm64/crypto/aes-neon.S  |  48 +-------

>  3 files changed, 127 insertions(+), 99 deletions(-)


All applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt