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
