linux-kernel - Re: [PATCH v2 0/6] crypto: Accelerated AES/GCM stitched implementation

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Date:   Tue, 3 Jan 2023 09:37:44 -0600
From:   Danny Tsen <dtsen@...ux.ibm.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     linux-crypto@...r.kernel.org, leitao@...ian.org,
        nayna@...ux.ibm.com, appro@...ptogams.org,
        linux-kernel@...r.kernel.org, ltcgcw@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 0/6] crypto: Accelerated AES/GCM stitched
 implementation

Hi Herbert,

Uh, I will fix it.  It was set to ABI v2 in assembly file.  Sorry about 
that.


Thanks.

-Danny

On 12/30/22 8:55 AM, Herbert Xu wrote:
> On Sun, Dec 04, 2022 at 07:34:52PM -0500, Danny Tsen wrote:
>> This patch series enable an accelerated AES/GCM stitched implementation for
>> Power10+ CPU(ppc64le).  This module supports AEAD algorithm.  The stitched
>> implementation provides 3.5X+ better performance than the baseline.
>>
>> This patch has been tested with the kernel crypto module tcrypt.ko and has
>> passed the selftest.  The patch is also tested with
>> CONFIG_CRYPTO_MANAGER_EXTRA_TESTS enabled
>>
>> Danny Tsen (6):
>>    Patch1: Update Kconfig and Makefile.
>>    Patch2: Glue code for AES/GCM stitched implementation.
>>    Patch3: An accelerated AES/GCM stitched implementation.
>>    Patch4: Supporting functions for AES.
>>    Patch5: Supporting functions for ghash.
>>    Patch6: A perl script to process PowerPC assembler source.
>>
>>   arch/powerpc/crypto/Kconfig            |   11 +
>>   arch/powerpc/crypto/Makefile           |   10 +
>>   arch/powerpc/crypto/aesp8-ppc.pl       | 3846 ++++++++++++++++++++++++
>>   arch/powerpc/crypto/ghashp8-ppc.pl     |  370 +++
>>   arch/powerpc/crypto/p10-aes-gcm-glue.c |  345 +++
>>   arch/powerpc/crypto/p10_aes_gcm.S      | 1519 ++++++++++
>>   arch/powerpc/crypto/ppc-xlate.pl       |  229 ++
>>   7 files changed, 6330 insertions(+)
>>   create mode 100644 arch/powerpc/crypto/aesp8-ppc.pl
>>   create mode 100644 arch/powerpc/crypto/ghashp8-ppc.pl
>>   create mode 100644 arch/powerpc/crypto/p10-aes-gcm-glue.c
>>   create mode 100644 arch/powerpc/crypto/p10_aes_gcm.S
>>   create mode 100644 arch/powerpc/crypto/ppc-xlate.pl
> I can't build this, it fails with
>
>    LD [M]  arch/powerpc/crypto/p10-aes-gcm-crypto.o
> powerpc64le-linux-gnu-ld: arch/powerpc/crypto/p10_aes_gcm.o: ABI version 2 is not compatible with ABI version 1 output
> powerpc64le-linux-gnu-ld: failed to merge target specific data of file arch/powerpc/crypto/p10_aes_gcm.o
>
> Cheers,