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From: Christoph Hellwig <hch@infradead.org>
To: Jason Wang <jasowang@redhat.com>
Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	intel-gfx@lists.freedesktop.org,
	intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com,
	alex.williamson@redhat.com, mst@redhat.com, tiwei.bie@intel.com,
	virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org, cohuck@redhat.com,
	maxime.coquelin@redhat.com, cunming.liang@intel.com,
	zhihong.wang@intel.com, rob.miller@broadcom.com,
	xiao.w.wang@intel.com, haotian.wang@sifive.com,
	zhenyuw@linux.intel.com, zhi.a.wang@intel.com,
	jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com,
	rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch,
	farman@linux.ibm.com, pasic@linux.ibm.com, sebott@linux.ibm.com,
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	gor@linux.ibm.com, borntraeger@de.ibm.com,
	akrowiak@linux.ibm.com, freude@linux.ibm.com,
	lingshan.zhu@intel.com, idos@mellanox.com, eperezma@redhat.com,
	lulu@redhat.com, parav@mellanox.com,
	christophe.de.dinechin@gmail.com, kevin.tian@intel.com,
	stefanha@redhat.com
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	[thread overview]
Message-ID: <20191030212312.GA4251@infradead.org> (raw)
In-Reply-To: <20191030064444.21166-7-jasowang@redhat.com>

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.

  reply	other threads:[~2019-10-30 21:23 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-30  6:44 [PATCH V6 0/6] mdev based hardware virtio offloading support Jason Wang
2019-10-30  6:44 ` [PATCH V6 1/6] mdev: class id support Jason Wang
2019-11-01 19:55   ` Parav Pandit
2019-10-30  6:44 ` [PATCH V6 2/6] modpost: add support for mdev class id Jason Wang
2019-10-30  6:44 ` [PATCH V6 3/6] mdev: introduce device specific ops Jason Wang
2019-11-01 20:11   ` Parav Pandit
2019-11-04  2:51     ` Jason Wang
2019-10-30  6:44 ` [PATCH V6 4/6] mdev: introduce virtio device and its device ops Jason Wang
2019-10-30  6:44 ` [PATCH V6 5/6] virtio: introduce a mdev based transport Jason Wang
2019-10-30  6:44 ` [PATCH V6 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework Jason Wang
2019-10-30 21:23   ` Christoph Hellwig [this message]
2019-10-31  1:46     ` Jason Wang
2019-10-31  7:57     ` Zhu, Lingshan

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