From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH V6 6/6] docs: sample driver to demonstrate how to
	implement virtio-mdev framework
Date: Wed, 30 Oct 2019 14:23:12 -0700
Message-ID: <20191030212312.GA4251__42442.7683743247$1572470686$gmane$org@infradead.org>
References: <20191030064444.21166-1-jasowang@redhat.com>
	<20191030064444.21166-7-jasowang@redhat.com>
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To: Jason Wang <jasowang@redhat.com>
Cc: stefanha@redhat.com, christophe.de.dinechin@gmail.com, kvm@vger.kernel.org, mst@redhat.com, airlied@linux.ie, joonas.lahtinen@linux.intel.com, heiko.carstens@de.ibm.com, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, kwankhede@nvidia.com, rob.miller@broadcom.com, linux-s390@vger.kernel.org, sebott@linux.ibm.com, lulu@redhat.com, eperezma@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, haotian.wang@sifive.com, zhi.a.wang@intel.com, farman@linux.ibm.com, idos@mellanox.com, gor@linux.ibm.com, intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com, xiao.w.wang@intel.com, freude@linux.ibm.com, zhenyuw@linux.intel.com, parav@mellanox.com, zhihong.wang@intel.com, rodrigo.vivi@intel.com, intel-gvt-dev@lists.freedesktop.org, akrowiak@linux.ibm.com, oberpar@linux.ibm.com, netdev@vger.kernel.org, cohuck@redhat.com, linux-kernel@vger.ke
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On Wed, Oct 30, 2019 at 02:44:44PM +0800, Jason Wang wrote:
> This sample driver creates mdev device that simulate virtio net device
> over virtio mdev transport. The device is implemented through vringh
> and workqueue. A device specific dma ops is to make sure HVA is used
> directly as the IOVA. This should be sufficient for kernel virtio
> driver to work.
> 
> Only 'virtio' type is supported right now. I plan to add 'vhost' type
> on top which requires some virtual IOMMU implemented in this sample
> driver.

Can we please submit a real driver for it?  A more or less useless
sample driver doesn't really qualify for our normal kernel requirements
that infrastructure should have a real user.