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<div>Hi Yongli,</div>
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<div>Actually, I set it up to have comment access for anyone who has the link. </div>
<div><a href="https://docs.google.com/document/d/1EMwDg9J8zOxzvTnQJ9HwZdiotaVstFWKIuKrPse6JOs/edit?usp=sharing">https://docs.google.com/document/d/1EMwDg9J8zOxzvTnQJ9HwZdiotaVstFWKIuKrPse6JOs/edit?usp=sharing</a></div>
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<div>I just changed it so that some folks have edit right.</div>
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<div>--Robert</div>
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<div>On 11/24/13 8:45 PM, "yongli he" <<a href="mailto:yongli.he@intel.com">yongli.he@intel.com</a>> wrote:</div>
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<div class="moz-cite-prefix">On 2013¦~11¤ë23¤é 06:19, Robert Li (baoli) wrote:<br>
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<blockquote cite="mid:CEB53600.2C9FA%25baoli@cisco.com" type="cite">
<div>Hi folks,</div>
<div><br>
</div>
<div>In order to move forward with our discussion and to be productive, I came up with a preliminary google doc that is based on our discussion so far (Through email thread and during summit and last meeting) . It's not completed yet, especially the neutron
part. Please comment on it or any question is welcome. I'm hoping to continue our discussion next week based on the doc. Meanwhile, I will continue to work on the neutron part.</div>
<div><br>
</div>
<div><a moz-do-not-send="true" href="https://docs.google.com/document/d/1EMwDg9J8zOxzvTnQJ9HwZdiotaVstFWKIuKrPse6JOs/edit?usp=sharing">https://docs.google.com/document/d/1EMwDg9J8zOxzvTnQJ9HwZdiotaVstFWKIuKrPse6JOs/edit?usp=sharing</a></div>
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great work, Robert. i had setup a wiki for next step supporting :<br>
<a class="moz-txt-link-freetext" href="https://wiki.openstack.org/wiki/PCI_passthrough_SRIOV_support">https://wiki.openstack.org/wiki/PCI_passthrough_SRIOV_support</a><br>
<br>
and for goole docs, i had no right to modify it, could you please put it to a seperated wiki page , and everyone could
<br>
comments on it?<br>
<br>
then we are ready for review our nova side blue-print for the SRIOV.<br>
<br>
Yongli He(Pauli He)<br>
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<blockquote cite="mid:CEB53600.2C9FA%25baoli@cisco.com" type="cite">
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<div>thanks,</div>
<div>Robert</div>
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<div>On 11/11/13 5:33 PM, "Robert Li (baoli)" <<a moz-do-not-send="true" href="mailto:baoli@cisco.com">baoli@cisco.com</a>> wrote:</div>
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<div>It will be difficult for me with 7-8PM UTC on Thursday. How about Monday 7-8pm UTC (or 6-7 pm UTC)? Both slots are available on the #openstack-meeting channel.</div>
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<div>thanks,</div>
<div>Robert </div>
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<div>On 11/11/13 11:34 AM, "Jiang, Yunhong" <<a moz-do-not-send="true" href="mailto:yunhong.jiang@intel.com">yunhong.jiang@intel.com</a>> wrote:</div>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">Hi, Sandhya,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> I¡¦m at PST, so I¡¦d prefer to option 3 (7-8 PM UTC), option 1 (2~3 PM UTC ) less preferred but works still (my 6 am ~ 7 am). option 2 does work for me.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">--jyh<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; " lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; " lang="EN-US"> Sandhya Dasu (sadasu) [<a moz-do-not-send="true" href="mailto:sadasu@cisco.com">mailto:sadasu@cisco.com</a>]
<br>
<b>Sent:</b> Thursday, November 07, 2013 6:44 PM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions); Jiang, Yunhong; Robert Li (baoli); Irena Berezovsky;
<a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">prashant.upadhyaya@aricent.com</a>;
<a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">chris.friesen@windriver.com</a>; He, Yongli; Itzik Brown<br>
<b>Subject:</b> Re: [openstack-dev] [nova] [neutron] PCI pass-through network support<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Hi,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> The discussions during the summit were very productive. Now, we are ready to setup our IRC meeting.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Here are some slots that look like they might work for us.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">1. Wed 2 ¡V 3 pm UTC.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">2. Thursday 12 ¡V 1 pm UTC.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">3. Thursday 7 ¡V 8pm UTC.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Please vote.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Sandhya<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US">From: </span></b><span style="color:black" lang="EN-US">Sandhya Dasu <<a moz-do-not-send="true" href="mailto:sadasu@cisco.com">sadasu@cisco.com</a>><br>
<b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" <<a moz-do-not-send="true" href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<b>Date: </b>Tuesday, November 5, 2013 12:03 PM<br>
<b>To: </b>"OpenStack Development Mailing List (not for usage questions)" <<a moz-do-not-send="true" href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>>, "Jiang, Yunhong" <<a moz-do-not-send="true" href="mailto:yunhong.jiang@intel.com">yunhong.jiang@intel.com</a>>,
"Robert Li (baoli)" <<a moz-do-not-send="true" href="mailto:baoli@cisco.com">baoli@cisco.com</a>>, Irena Berezovsky <<a moz-do-not-send="true" href="mailto:irenab@mellanox.com">irenab@mellanox.com</a>>, "<a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">prashant.upadhyaya@aricent.com</a>"
<<a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">prashant.upadhyaya@aricent.com</a>>, "<a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">chris.friesen@windriver.com</a>" <<a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">chris.friesen@windriver.com</a>>,
"He, Yongli" <<a moz-do-not-send="true" href="mailto:yongli.he@intel.com">yongli.he@intel.com</a>>, Itzik Brown <<a moz-do-not-send="true" href="mailto:ItzikB@mellanox.com">ItzikB@mellanox.com</a>><br>
<b>Subject: </b>Re: [openstack-dev] [nova] [neutron] PCI pass-through network support<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Just to clarify, the discussion is planned for 10 AM Wednesday morning at the developer's lounge.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Sandhya<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US">From: </span></b><span style="color:black" lang="EN-US">Sandhya Dasu <<a moz-do-not-send="true" href="mailto:sadasu@cisco.com">sadasu@cisco.com</a>><br>
<b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" <<a moz-do-not-send="true" href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<b>Date: </b>Tuesday, November 5, 2013 11:38 AM<br>
<b>To: </b>"OpenStack Development Mailing List (not for usage questions)" <<a moz-do-not-send="true" href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>>, "Jiang, Yunhong" <<a moz-do-not-send="true" href="mailto:yunhong.jiang@intel.com">yunhong.jiang@intel.com</a>>,
"Robert Li (baoli)" <<a moz-do-not-send="true" href="mailto:baoli@cisco.com">baoli@cisco.com</a>>, Irena Berezovsky <<a moz-do-not-send="true" href="mailto:irenab@mellanox.com">irenab@mellanox.com</a>>, "<a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">prashant.upadhyaya@aricent.com</a>"
<<a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">prashant.upadhyaya@aricent.com</a>>, "<a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">chris.friesen@windriver.com</a>" <<a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">chris.friesen@windriver.com</a>>,
"He, Yongli" <<a moz-do-not-send="true" href="mailto:yongli.he@intel.com">yongli.he@intel.com</a>>, Itzik Brown <<a moz-do-not-send="true" href="mailto:ItzikB@mellanox.com">ItzikB@mellanox.com</a>><br>
<b>Subject: </b>Re: [openstack-dev] [nova] [neutron] PCI pass-through network support<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US">Hi,</span></b><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US"> We are planning to have a discussion at the developer's lounge tomorrow morning at 10:00 am. Please feel free to drop by if you are interested.</span></b><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US">Thanks,</span></b><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US">Sandhya</span></b><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US">From: </span></b><span style="color:black" lang="EN-US"><Jiang>, Yunhong <</span><span style="font-size:10.5pt;color:black" lang="EN-US"><a moz-do-not-send="true" href="mailto:yunhong.jiang@intel.com"><span style="font-size:11.0pt">yunhong.jiang@intel.com</span></a></span><span style="color:black" lang="EN-US">></span><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black" lang="EN-US">Date: </span></b><span style="color:black" lang="EN-US">Thursday, October 31, 2013 6:21 PM<br>
<b>To: </b>"Robert Li (baoli)" <<a moz-do-not-send="true" href="mailto:baoli@cisco.com">baoli@cisco.com</a>>, Irena Berezovsky <<a moz-do-not-send="true" href="mailto:irenab@mellanox.com">irenab@mellanox.com</a>>, "<a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">prashant.upadhyaya@aricent.com</a>"
<<a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">prashant.upadhyaya@aricent.com</a>>, "<a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">chris.friesen@windriver.com</a>" <<a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">chris.friesen@windriver.com</a>>,
"He, Yongli" <<a moz-do-not-send="true" href="mailto:yongli.he@intel.com">yongli.he@intel.com</a>>, Itzik Brown <<a moz-do-not-send="true" href="mailto:ItzikB@mellanox.com">ItzikB@mellanox.com</a>><br>
<b>Cc: </b>OpenStack Development Mailing List <<a moz-do-not-send="true" href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>>, "Brian Bowen (brbowen)" <<a moz-do-not-send="true" href="mailto:brbowen@cisco.com">brbowen@cisco.com</a>>,
"Kyle Mestery (kmestery)" <<a moz-do-not-send="true" href="mailto:kmestery@cisco.com">kmestery@cisco.com</a>>, Sandhya Dasu <<a moz-do-not-send="true" href="mailto:sadasu@cisco.com">sadasu@cisco.com</a>><br>
<b>Subject: </b>RE: [openstack-dev] [nova] [neutron] PCI pass-through network support<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">Robert, I think your change request for pci alias should be covered by the extra infor enhancement.
</span><span style="color:black" lang="EN-US"><a moz-do-not-send="true" href="https://blueprints.launchpad.net/nova/+spec/pci-extra-info">https://blueprints.launchpad.net/nova/+spec/pci-extra-info</a> and Yongli is working on it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">I¡¦m not sure how the port profile is passed to the connected switch, is it a Cisco VMEFX specific method or libvirt method? Sorry I¡¦m not well on network side.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">--jyh<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US"> Robert Li (baoli) [<a moz-do-not-send="true" href="mailto:baoli@cisco.com">mailto:baoli@cisco.com</a>]
<br>
<b>Sent:</b> Wednesday, October 30, 2013 10:13 AM<br>
<b>To:</b> Irena Berezovsky; Jiang, Yunhong; <a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">
prashant.upadhyaya@aricent.com</a>; <a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">
chris.friesen@windriver.com</a>; He, Yongli; Itzik Brown<br>
<b>Cc:</b> OpenStack Development Mailing List; Brian Bowen (brbowen); Kyle Mestery (kmestery); Sandhya Dasu (sadasu)<br>
<b>Subject:</b> Re: [openstack-dev] [nova] [neutron] PCI pass-through network support</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Hi,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Regarding physical network mapping, This is what I thought. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">consider the following scenarios:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> 1. a compute node with SRIOV only interfaces attached to a physical network. the node is connected to one upstream switch </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> 2. a compute node with both SRIOV interfaces and non-SRIOV interfaces attached to a physical network. the node is connected to one upstream switch</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> 3. in addition to case 1 &2, a compute node may have multiple vNICs that are connected to different upstream switches. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">CASE 1:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- the mapping from a virtual network (in terms of neutron) to a physical network is actually done by binding a port profile to a neutron port. With cisco's VM-FEX, a port profile
is associated with one or multiple vlans. Once the neutron port is bound with this port-profile in the upstream switch, it's effectively plugged into the physical network. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- since the compute node is connected to one upstream switch, the existing nova PCI alias will be sufficient. For example, one can boot a Nova instance that is attached to a SRIOV
port with the following command:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> nova boot ¡Xflavor m1.large ¡Ximage <image-id> --nic net-id=<net>,pci-alias=<alias>,sriov=<direct|macvtap>,port-profile=<profile></span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> the net-id will be useful in terms of allocating IP address, enable dhcp, etc that is associated with the network.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">-- the pci-alias specified in the nova boot command is used to create a PCI request for scheduling purpose. a PCI device is bound to a neutron port during the instance build time in
the case of nova boot. Before invoking the neutron API to create a port, an allocated PCI device out of a PCI alias will be located from the PCI device list object. This device info among other information will be sent to neutron to create the port. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">CASE 2:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">-- Assume that OVS is used for the non-SRIOV interfaces. An example of configuration with ovs plugin would look like:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> bridge_mappings = physnet1:br-vmfex</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> network_vlan_ranges = physnet1:15:17</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> tenant_network_type = vlan</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> When a neutron network is created, a vlan is either allocated or specified in the neutron net-create command. Attaching a physical interface to the bridge (in the above example
br-vmfex) is an administrative task. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">-- to create a Nova instance with non-SRIOV port:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> nova boot ¡Xflavor m1.large ¡Ximage <image-id> --nic net-id=<net></span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">-- to create a Nova instance with SRIOV port:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> nova boot ¡Xflavor m1.large ¡Ximage <image-id> --nic net-id=<net>,pci-alias=<alias>,sriov=<direct|macvtap>,port-profile=<profile></span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> it's essentially the same as in the first case. But since the net-id is already associated with a vlan, the vlan associated with the port-profile must be identical to that vlan.
This has to be enforced by neutron.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> again, since the node is connected to one upstream switch, the existing nova PCI alias should be sufficient. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">CASE 3:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">-- A compute node might be connected to multiple upstream switches, with each being a separate network. This means SRIOV PFs/VFs are already implicitly associated with physical networks.
In the none-SRIOV case, a physical interface is associated with a physical network by plugging it into that network, and attaching this interface to the ovs bridge that represents this physical network on the compute node. In the SRIOV case, we need a way
to group the SRIOV VFs that belong to the same physical networks. The existing nova PCI alias is to facilitate PCI device allocation by associating <product_id, vendor_id> with an alias name. This will no longer be sufficient. But it can be enhanced to achieve
our goal. For example, the PCI device domain, bus (if their mapping to vNIC is fixed across boot) may be added into the alias, and the alias name should be corresponding to a list of tuples. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Another consideration is that a VF or PF might be used on the host for other purposes. For example, it's possible for a neutron DHCP server to be bound with a VF. Therefore, there
needs a method to exclude some VFs from a group. One way is to associate an exclude list with an alias.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">The enhanced PCI alias can be used to support features other than neutron as well. Essentially, a PCI alias can be defined as a group of PCI devices associated with a feature. I'd
think that this should be addressed with a separate blueprint.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Thanks,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Robert</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">On 10/30/13 12:59 AM, "Irena Berezovsky" <<a moz-do-not-send="true" href="mailto:irenab@mellanox.com">irenab@mellanox.com</a>> wrote:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Hi,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Please see my answers inline</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US"> Jiang, Yunhong [<a moz-do-not-send="true" href="mailto:yunhong.jiang@intel.com">mailto:yunhong.jiang@intel.com</a>]
<br>
<b>Sent:</b> Tuesday, October 29, 2013 10:17 PM<br>
<b>To:</b> Irena Berezovsky; Robert Li (baoli); <a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">
prashant.upadhyaya@aricent.com</a>; <a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">
chris.friesen@windriver.com</a>; He, Yongli; Itzik Brown<br>
<b>Cc:</b> OpenStack Development Mailing List; Brian Bowen (brbowen); Kyle Mestery (kmestery); Sandhya Dasu (sadasu)<br>
<b>Subject:</b> RE: [openstack-dev] [nova] [neutron] PCI pass-through network support</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">Your explanation of the virtual network and physical network is quite clear and should work well. We need change nova code to achieve it, including get the physical network for the
virtual network, passing the physical network requirement to the filter properties etc.
</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><b><i><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">[IrenaB]
</span></i></b><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> The physical network is already available to nova at networking/nova/api at as virtual network attribute, it then passed to the VIF driver. We will push soon the fix to:</span><span style="color:black" lang="EN-US"><a moz-do-not-send="true" href="https://bugs.launchpad.net/nova/+bug/1239606">https://bugs.launchpad.net/nova/+bug/1239606</a></span><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">
; which will provide general support for getting this information.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">For your port method, so you mean we are sure to passing network id to ¡¥nova boot¡¦ and nova will create the port during VM boot, am I right? Also, how can nova knows that it need
allocate the PCI device for the port? I¡¦d suppose that in SR-IOV NIC environment, user don¡¦t need specify the PCI requirement. Instead, the PCI requirement should come from the network configuration and image property. Or you think user still need passing
flavor with pci request?</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><b><i><span style="color:#1F497D" lang="EN-US">[IrenaB] There are two way to apply port method. One is to pass network id on nova boot and use default type as chosen in the neutron config file for vnic type. Other way is to define port
with required vnic type and other properties if applicable, and run ¡¥nova boot¡¦ with port id argument. Going forward with nova support for PCI devices awareness, we do need a way impact scheduler choice to land VM on suitable Host with available PC device
that has the required connectivity.</span></i></b><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">--jyh</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US"> Irena Berezovsky [<a moz-do-not-send="true" href="mailto:irenab@mellanox.com">mailto:irenab@mellanox.com</a>]
<br>
<b>Sent:</b> Tuesday, October 29, 2013 3:17 AM<br>
<b>To:</b> Jiang, Yunhong; Robert Li (baoli); <a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">
prashant.upadhyaya@aricent.com</a>; <a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">
chris.friesen@windriver.com</a>; He, Yongli; Itzik Brown<br>
<b>Cc:</b> OpenStack Development Mailing List; Brian Bowen (brbowen); Kyle Mestery (kmestery); Sandhya Dasu (sadasu)<br>
<b>Subject:</b> RE: [openstack-dev] [nova] [neutron] PCI pass-through network support</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Hi Jiang, Robert,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">IRC meeting option works for me.
</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">If I understand your question below, you are looking for a way to tie up between requested virtual network(s) and requested PCI device(s). The way we did it in our solution is to map a provider:physical_network
to an interface that represents the Physical Function. Every virtual network is bound to the provider:physical_network, so the PCI device should be allocated based on this mapping. We can map a PCI alias to the provider:physical_network.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Another topic to discuss is where the mapping between neutron port and PCI device should be managed. One way to solve it, is to propagate the allocated PCI device details to neutron on port creation.
</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">In case there is no qbg/qbh support, VF networking configuration should be applied locally on the Host.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">The question is when and how to apply networking configuration on the PCI device? </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">We see the following options:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:38.7pt;text-indent:-18.0pt;mso-list:l0
level1 lfo2">
<!--[if !supportLists]--><span style="color:
black; " lang="EN-US"><span style="mso-list:Ignore">¡E<span style="font-style: normal; font-variant:
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</span></span></span><!--[endif]--><span style="color:#1F497D" lang="EN-US">it can be done on port creation. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:38.7pt;text-indent:-18.0pt;mso-list:l0
level1 lfo2">
<!--[if !supportLists]--><span style="color:
black; " lang="EN-US"><span style="mso-list:Ignore">¡E<span style="font-style: normal; font-variant:
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</span></span></span><!--[endif]--><span style="color:#1F497D" lang="EN-US">It can be done when nova VIF driver is called for vNIC plugging. This will require to have all networking configuration available to the VIF driver or send request to the neutron server
to obtain it. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:38.7pt;text-indent:-18.0pt;mso-list:l0
level1 lfo2">
<!--[if !supportLists]--><span style="color:
black; " lang="EN-US"><span style="mso-list:Ignore">¡E<span style="font-style: normal; font-variant:
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</span></span></span><!--[endif]--><span style="color:#1F497D" lang="EN-US">It can be done by having a dedicated L2 neutron agent on each Host that scans for allocated PCI devices and then retrieves networking configuration from the server and configures
the device. The agent will be also responsible for managing update requests coming from the neutron server.
</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:38.7pt"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">For macvtap vNIC type assignment, the networking configuration can be applied by a dedicated L2 neutron agent.
</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">BR,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Irena</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US"> Jiang, Yunhong [<a moz-do-not-send="true" href="mailto:yunhong.jiang@intel.com">mailto:yunhong.jiang@intel.com</a>]
<br>
<b>Sent:</b> Tuesday, October 29, 2013 9:04 AM</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US"><br>
<b>To:</b> Robert Li (baoli); Irena Berezovsky; <a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">
prashant.upadhyaya@aricent.com</a>; <a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">
chris.friesen@windriver.com</a>; He, Yongli; Itzik Brown<br>
<b>Cc:</b> OpenStack Development Mailing List; Brian Bowen (brbowen); Kyle Mestery (kmestery); Sandhya Dasu (sadasu)<br>
<b>Subject:</b> RE: [openstack-dev] [nova] [neutron] PCI pass-through network support</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">Robert, is it possible to have a IRC meeting? I¡¦d prefer to IRC meeting because it¡¦s more openstack style and also can keep the minutes clearly.
</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">To your flow, can you give more detailed example. For example, I can consider user specify the instance with ¡Vnic option specify a network id, and then how nova device the requirement
to the PCI device? I assume the network id should define the switches that the device can connect to , but how is that information translated to the PCI property requirement? Will this translation happen before the nova scheduler make host decision?</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">Thanks</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US">--jyh</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US"> Robert Li (baoli) [<a moz-do-not-send="true" href="mailto:baoli@cisco.com">mailto:baoli@cisco.com</a>]
<br>
<b>Sent:</b> Monday, October 28, 2013 12:22 PM<br>
<b>To:</b> Irena Berezovsky; <a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">
prashant.upadhyaya@aricent.com</a>; Jiang, Yunhong; <a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">
chris.friesen@windriver.com</a>; He, Yongli; Itzik Brown<br>
<b>Cc:</b> OpenStack Development Mailing List; Brian Bowen (brbowen); Kyle Mestery (kmestery); Sandhya Dasu (sadasu)<br>
<b>Subject:</b> Re: [openstack-dev] [nova] [neutron] PCI pass-through network support</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Hi Irena,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Thank you very much for your comments. See inline. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">--Robert</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">On 10/27/13 3:48 AM, "Irena Berezovsky" <<a moz-do-not-send="true" href="mailto:irenab@mellanox.com">irenab@mellanox.com</a>> wrote:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Hi Robert,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Thank you very much for sharing the information regarding your efforts. Can you please share your idea of the end to end flow? How do you suggest to bind Nova and Neutron?</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">The end to end flow is actually encompassed in the blueprints in a nutshell. I will reiterate it in below. The binding between Nova and Neutron occurs with the neutron v2 API that
nova invokes in order to provision the neutron services. The vif driver is responsible for plugging in an instance onto the networking setup that neutron has created on the host.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Normally, one will invoke "nova boot" api with the ¡Xnic options to specify the nic with which the instance will be connected to the network. It currently allows net-id, fixed ip and/or
port-id to be specified for the option. However, it doesn't allow one to specify special networking requirements for the instance. Thanks to the nova pci-passthrough work, one can specify PCI passthrough device(s) in the nova flavor. But it doesn't provide
means to tie up these PCI devices in the case of ethernet adpators with networking services. Therefore the idea is actually simple as indicated by the blueprint titles, to provide means to tie up SRIOV devices with neutron services. A work flow would roughly
look like this for 'nova boot':</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- Specifies networking requirements in the ¡Xnic option. Specifically for SRIOV, allow the following to be specified in addition to the existing required information:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> . PCI alias</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> . direct pci-passthrough/macvtap</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> . port profileid that is compliant with 802.1Qbh</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> The above information is optional. In the absence of them, the existing behavior remains.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- if special networking requirements exist, Nova api creates PCI requests in the nova instance type for scheduling purpose</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- Nova scheduler schedules the instance based on the requested flavor plus the PCI requests that are created for networking.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- Nova compute invokes neutron services with PCI passthrough information if any </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- Neutron performs its normal operations based on the request, such as allocating a port, assigning ip addresses, etc. Specific to SRIOV, it should validate the information
such as profileid, and stores them in its db. It's also possible to associate a port profileid with a neutron network so that port profileid becomes optional in the ¡Xnic option. Neutron returns nova the port information, especially for PCI passthrough related
information in the port binding object. Currently, the port binding object contains the following information:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> binding:vif_type</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> binding:host_id</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> binding:profile</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> binding:capabilities</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> -- nova constructs the domain xml and plug in the instance by calling the vif driver. The vif driver can build up the interface xml based on the port binding information. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">The blueprints you registered make sense. On Nova side, there is a need to bind between requested virtual network and PCI device/interface to be allocated as vNIC.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">On the Neutron side, there is a need to support networking configuration of the vNIC. Neutron should be able to identify the PCI device/macvtap interface in order to apply configuration. I think
it makes sense to provide neutron integration via dedicated Modular Layer 2 Mechanism Driver to allow PCI pass-through vNIC support along with other networking technologies.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">I haven't sorted through this yet. A neutron port could be associated with a PCI device or not, which is a common feature, IMHO. However, a ML2 driver may be needed specific to a particular
SRIOV technology. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">During the Havana Release, we introduced Mellanox Neutron plugin that enables networking via SRIOV pass-through devices or macvtap interfaces.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">We want to integrate our solution with PCI pass-through Nova support. I will be glad to share more details if you are interested.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Good to know that you already have a SRIOV implementation. I found out some information online about the mlnx plugin, but need more time to get to know it better. And certainly I'm
interested in knowing its details.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">The PCI pass-through networking support is planned to be discussed during the summit:
</span><span style="color:black" lang="EN-US"><a moz-do-not-send="true" href="http://summit.openstack.org/cfp/details/129">http://summit.openstack.org/cfp/details/129</a>.
</span><span style="color:#1F497D" lang="EN-US">I think it¡¦s worth to drill down into more detailed proposal and present it during the summit, especially since it impacts both nova and neutron projects.
</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">I agree. Maybe we can steal some time in that discussion.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Would you be interested in collaboration on this effort? Would you be interested to exchange more emails or set an IRC/WebEx meeting during this week before the summit?</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Sure. If folks want to discuss it before the summit, we can schedule a webex later this week. Or otherwise, we can continue the discussion with email.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Regards,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Irena</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; color: black; " lang="EN-US"> Robert Li (baoli) [<a moz-do-not-send="true" href="mailto:baoli@cisco.com">mailto:baoli@cisco.com</a>]
<br>
<b>Sent:</b> Friday, October 25, 2013 11:16 PM<br>
<b>To:</b> <a moz-do-not-send="true" href="mailto:prashant.upadhyaya@aricent.com">
prashant.upadhyaya@aricent.com</a>; Irena Berezovsky; <a moz-do-not-send="true" href="mailto:yunhong.jiang@intel.com">
yunhong.jiang@intel.com</a>; <a moz-do-not-send="true" href="mailto:chris.friesen@windriver.com">
chris.friesen@windriver.com</a>; <a moz-do-not-send="true" href="mailto:yongli.he@intel.com">
yongli.he@intel.com</a><br>
<b>Cc:</b> OpenStack Development Mailing List; Brian Bowen (brbowen); Kyle Mestery (kmestery); Sandhya Dasu (sadasu)<br>
<b>Subject:</b> Re: [openstack-dev] [nova] [neutron] PCI pass-through network support</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Hi Irena,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">This is Robert Li from Cisco Systems. Recently, I was tasked to investigate such support for Cisco's systems that support VM-FEX, which is a SRIOV technology supporting 802-1Qbh. I
was able to bring up nova instances with SRIOV interfaces, and establish networking in between the instances that employes the SRIOV interfaces. Certainly, this was accomplished with hacking and some manual intervention. Based on this experience and my study
with the two existing nova pci-passthrough blueprints that have been implemented and committed into Havana (<a moz-do-not-send="true" href="https://blueprints.launchpad.net/nova/+spec/pci-passthrough-base" id="yui_3_10_3_1_1382711548329_391"><span style="font-size: 9pt; font-family: Arial, sans-serif; color: rgb(0, 51, 170); background-color: white; text-decoration: none; ">https://blueprints.launchpad.net/nova/+spec/pci-passthrough-base</span></a></span><span style="font-size: 9pt; font-family: Arial, sans-serif; color: rgb(51, 51, 51); background-color: white; " lang="EN-US"> and<br>
</span><span style="font-size: 9pt; font-family: Arial, sans-serif; color: rgb(0, 51, 170); background-color: white; " lang="EN-US"><a moz-do-not-send="true" href="https://blueprints.launchpad.net/nova/+spec/pci-passthrough-libvirt"><span style="font-size:10.5pt">https://blueprints.launchpad.net/nova/+spec/pci-passthrough-libvirt</span></a>), </span><span style="font-size:10.5pt;color:black" lang="EN-US"> I
registered a couple of blueprints (one on Nova side, the other on the Neutron side):</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><a moz-do-not-send="true" href="https://blueprints.launchpad.net/nova/+spec/pci-passthrough-sriov">https://blueprints.launchpad.net/nova/+spec/pci-passthrough-sriov</a></span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"><a moz-do-not-send="true" href="https://blueprints.launchpad.net/neutron/+spec/pci-passthrough-sriov">https://blueprints.launchpad.net/neutron/+spec/pci-passthrough-sriov</a></span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">in order to address SRIOV support in openstack. </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Please take a look at them and see if they make sense, and let me know any comments and questions. We can also discuss this in the summit, I suppose.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">I noticed that there is another thread on this topic, so copy those folks from that thread as well.</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US"> </span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">thanks,</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">Robert</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black" lang="EN-US">On 10/16/13 4:32 PM, "Irena Berezovsky" <<a moz-do-not-send="true" href="mailto:irenab@mellanox.com">irenab@mellanox.com</a>> wrote:</span><span style="color:black" lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black" lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">As one of the next steps for PCI pass-through I would like to discuss is the support for PCI pass-through vNIC.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">While nova takes care of PCI pass-through device resources management and VIF settings, neutron should manage their networking configuration.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">I would like to register asummit proposal to discuss the support for PCI pass-through networking.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">I am not sure what would be the right topic to discuss the PCI pass-through networking, since it involve both nova and neutron. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">There is already a session registered by Yongli on nova topic to discuss the PCI pass-through next steps.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">I think PCI pass-through networking is quite a big topic and it worth to have a separate discussion.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">Is there any other people who are interested to discuss it and share their thoughts and experience?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">Irena<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US"> <o:p></o:p></span></p>
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