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Date: Fri, 16 Oct 2015 13:52:54 +0100
From: Bruce Richardson <bruce.richardson@intel.com>
To: Tetsuya Mukawa <mukawa@igel.co.jp>
Message-ID: <20151016125254.GA9980@bricha3-MOBL3>
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Cc: dev@dpdk.org, ann.zhuangyanying@huawei.com
Subject: Re: [dpdk-dev] [RFC PATCH v2] vhost: Add VHOST PMD
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On Mon, Aug 31, 2015 at 12:55:26PM +0900, Tetsuya Mukawa wrote:
> The patch introduces a new PMD. This PMD is implemented as thin wrapper
> of librte_vhost. It means librte_vhost is also needed to compile the PMD.
> The PMD can have 'iface' parameter like below to specify a path to connect
> to a virtio-net device.
> 
> $ ./testpmd -c f -n 4 --vdev 'eth_vhost0,iface=/tmp/sock0' -- -i
> 
> To connect above testpmd, here is qemu command example.
> 
> $ qemu-system-x86_64 \
>         <snip>
>         -chardev socket,id=chr0,path=/tmp/sock0 \
>         -netdev vhost-user,id=net0,chardev=chr0,vhostforce \
>         -device virtio-net-pci,netdev=net0
> 
> Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>

With this PMD in place, is there any need to keep the existing vhost library
around as a separate entity? Can the existing library be subsumed/converted into
a standard PMD?

/Bruce