Re: [WIP/RFC] crypto: add support for Orion5X crypto engine

[Paulius Zaleckas <paulius.zaleckas@teltonika.lt>]

Sebastian Andrzej Siewior wrote:
> This is version two of the the driver. New things:
> - aes-ecb passes selftests
> - aes-cbc passes selftests
> 
> The driver still does memcpy() from/to sram. To solve this, a dma driver
> would be required but first I wanted to compare the performance between
> now and nothing/generic aes. However I managed to crash cryptsetup with
> luksOpen. Got look into this...
> 
> Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
> ---
>  drivers/crypto/Kconfig      |    9 +
>  drivers/crypto/Makefile     |    1 +
>  drivers/crypto/mav_crypto.c |  724 +++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 734 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/crypto/mav_crypto.c
> 
> diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
> index 01afd75..514fe78 100644
> --- a/drivers/crypto/Kconfig
> +++ b/drivers/crypto/Kconfig
> @@ -157,6 +157,15 @@ config S390_PRNG
>  	  ANSI X9.17 standard. The PRNG is usable via the char device
>  	  /dev/prandom.
>  
> +config CRYPTO_DEV_MARVELL_CRYPTO_ENGINE

CRYPTO_DEV...CRYPTO_ENGINE
Maybe CRYPTO_DEV_MARVELL would be enough?

> +	tristate "Marvell's Cryptographic Engine"
> +	depends on PLAT_ORION
> +	select CRYPTO_ALGAPI
> +	select CRYPTO_AES
> +	help
> +	  This driver allows you utilize the cryptographic engine which can be
> +	  found on certain SoC like QNAP's TS-209.
> +

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