On 09/02/2018 05:52 PM, Kenneth Lee wrote:
> diff --git a/drivers/crypto/hisilicon/Kconfig 
> b/drivers/crypto/hisilicon/Kconfig
> index 1d155708cd69..b85fab48fdab 100644
> --- a/drivers/crypto/hisilicon/Kconfig
> +++ b/drivers/crypto/hisilicon/Kconfig
> @@ -17,6 +17,16 @@ config CRYPTO_DEV_HISI_SEC
>         To compile this as a module, choose M here: the module
>         will be called hisi_sec.
>  
> +config CRYPTO_DEV_HISI_SDMDEV
> +     bool "Enable SDMDEV interface"
> +     depends on CRYPTO_DEV_HISILICON
> +     select VFIO_SDMDEV
> +     help
> +       Enable this enable the SDMDEV, "shared IOMMU Domain Mediated Device"

At a minimum:
          Enable this to enable the SDMDEV,

although that could be done better.  Maybe just:
          Enable the SDMDEV "shared IOMMU Domain Mediated Device"

          
> +       interface for all Hisilicon accelerators if they can. The SDMDEV

probably drop "if they can":          accelerators.  The SDMDEV interface

> +       enable the WarpDrive user space accelerator driver to access the

          enables

> +       hardware function directly.
> +


-- 
~Randy

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