DPDK patches and discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: HePeng <xnhp0320@icloud.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Is there an interrupt mode PMD for virtio
Date: Thu, 31 Dec 2015 09:09:37 -0800	[thread overview]
Message-ID: <20151231090937.2ddcd14a@xeon-e3> (raw)
In-Reply-To: <8D4E95C0-3361-4E31-856C-77A462B2C972@icloud.com>

On Tue, 29 Dec 2015 12:51:43 +0800
HePeng <xnhp0320@icloud.com> wrote:

> Hi, 
> 	I am asking if there is an interrupt mode PMD for virtio driver. 
> I check with l3fwd-power code, it is based on VFIO driver. However, 
> it seems that current virtio driver does not support VFIO. 
> 
> Thanks.
> HePeng


I have a version that was posted once, that works but it required a different
version of uio driver that provided MSI support. Since that uio driver required
patching the kernel, and the kernel maintainer of UIO didn't want that patch,
that work was abandoned.  The intention is to use VFIO in no-IOMMU mode instead.

Once VFIO with no-IOMMU is working, I will rework the virtio (and vmxnet3)
changes to support that. If you want to help or do it your self, I can send
the old code.

  reply	other threads:[~2015-12-31 17:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-29  4:51 HePeng
2015-12-31 17:09 ` Stephen Hemminger [this message]
  -- strict thread matches above, loose matches on Subject: below --
2015-12-29  4:50 HePeng

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20151231090937.2ddcd14a@xeon-e3 \
    --to=stephen@networkplumber.org \
    --cc=dev@dpdk.org \
    --cc=xnhp0320@icloud.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).