netdev - Re: [pci PATCH v3 0/3] Add support for unmanaged SR-IOV

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Message-ID: <CAKgT0UdRFxGUPu4jY0xrUuv8Um62ndPnknhHXuF4Abu6D7GEqg@mail.gmail.com>
Date:   Wed, 7 Mar 2018 11:05:58 -0800
From:   Alexander Duyck <alexander.duyck@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        "Duyck, Alexander H" <alexander.h.duyck@...el.com>,
        linux-pci@...r.kernel.org, virtio-dev@...ts.oasis-open.org,
        kvm@...r.kernel.org, Netdev <netdev@...r.kernel.org>,
        "Daly, Dan" <dan.daly@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Maximilian Heyne <mheyne@...zon.de>,
        "Wang, Liang-min" <liang-min.wang@...el.com>,
        "Rustad, Mark D" <mark.d.rustad@...el.com>,
        David Woodhouse <dwmw2@...radead.org>, dwmw@...zon.co.uk
Subject: Re: [pci PATCH v3 0/3] Add support for unmanaged SR-IOV

On Tue, Mar 6, 2018 at 10:46 PM, Christoph Hellwig <hch@...radead.org> wrote:
> On Tue, Mar 06, 2018 at 11:29:08AM -0800, Alexander Duyck wrote:
>> This series is meant to add support for SR-IOV on devices when the VFs are
>> not managed by the kernel. Examples of recent patches attempting to do this
>> include:
>> virto - https://patchwork.kernel.org/patch/10241225/
>> pci-stub - https://patchwork.kernel.org/patch/10109935/
>> vfio - https://patchwork.kernel.org/patch/10103353/
>> uio - https://patchwork.kernel.org/patch/9974031/
>
> nvme and ema seems to be existing examples.  Care to throw in
> conversions while you're at it?

Yeah, I can do that. I assume you meant "ena" not "ema".

I'm probably looking at doing a v4 that will drop the vfio userspace
driver bits for now as it sounds like there are additional issues that
still need to be addressed.

Thanks.

- Alex