linux-kernel - RE: [PATCH v8 7/9] crypto: hisilicon/qm: Set the VF QM state register

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Message-ID: <BN9PR11MB5276D3F8869BEAB2CBB16B498C099@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Tue, 8 Mar 2022 06:31:08 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>
CC:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "jgg@...dia.com" <jgg@...dia.com>,
        "cohuck@...hat.com" <cohuck@...hat.com>,
        "mgurtovoy@...dia.com" <mgurtovoy@...dia.com>,
        "yishaih@...dia.com" <yishaih@...dia.com>,
        "linuxarm@...wei.com" <linuxarm@...wei.com>,
        "liulongfang@...wei.com" <liulongfang@...wei.com>,
        "prime.zeng@...ilicon.com" <prime.zeng@...ilicon.com>,
        "jonathan.cameron@...wei.com" <jonathan.cameron@...wei.com>,
        "wangzhou1@...ilicon.com" <wangzhou1@...ilicon.com>
Subject: RE: [PATCH v8 7/9] crypto: hisilicon/qm: Set the VF QM state register

> From: Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>
> Sent: Friday, March 4, 2022 7:01 AM
> 
> From: Longfang Liu <liulongfang@...wei.com>
> 
> We use VF QM state register to record the status of the QM configuration
> state. This will be used in the ACC migration driver to determine whether
> we can safely save and restore the QM data.

Can you say something about what QM is and how it is related to the VF state
to be migrated? It might be obvious to acc driver people but not so to to 
others in vfio community like me. 😊

Thanks
Kevin