Re: [PATCH 6/7] crypto: add sdmdev support to Hisilicon QM

Kenneth Lee
2018-09-06T09:11:37Z

On Sun, Sep 02, 2018 at 07:19:03PM -0700, Randy Dunlap wrote:
> Date: Sun, 2 Sep 2018 19:19:03 -0700
> From: Randy Dunlap <rdunlap@infradead.org>
> To: Kenneth Lee <nek.in.cn@gmail.com>, Jonathan Corbet <corbet@lwn.net>,
> Herbert Xu <herbert@gondor.apana.org.au>, "David S . Miller"
> <davem@davemloft.net>, Joerg Roedel <joro@8bytes.org>, Alex Williamson
> <alex.williamson@redhat.com>, Kenneth Lee <liguozhu@hisilicon.com>, Hao
> Fang <fanghao11@huawei.com>, Zhou Wang <wangzhou1@hisilicon.com>, Zaibo Xu
> <xuzaibo@huawei.com>, Philippe Ombredanne <pombredanne@nexb.com>, Greg
> Kroah-Hartman <gregkh@linuxfoundation.org>, Thomas Gleixner
> <tglx@linutronix.de>, linux-doc@vger.kernel.org,
> linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
> iommu@lists.linux-foundation.org, kvm@vger.kernel.org,
> linux-accelerators@lists.ozlabs.org, Lu Baolu <baolu.lu@linux.intel.com>,
> Sanjay Kumar <sanjay.k.kumar@intel.com>
> CC: linuxarm@huawei.com
> Subject: Re: [PATCH 6/7] crypto: add sdmdev support to Hisilicon QM
> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
> Thunderbird/52.9.1
> Message-ID: <46e57b2b-756e-e256-5b3c-30749d865512@infradead.org>
>
> 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

Thank you, will change them all in the coming version.

>
> > + hardware function directly.
> > +
>
>
> --
> ~Randy

--
-Kenneth(Hisilicon)

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