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<p class="MsoNormal"><span style="font-size:11.0pt;color:black">Hi,</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black">We wanted to check if it’s possible to specify a disk’s target as nvme (so that the disk shows up as a nvme disk to the guest VM).</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black">Per libvirt documentation it looks like (since Libvirt 6.0.0) we can specify the disk type as nvme and disks source as a nvme. But the documentation does not say anything about being specify the
disk’s target as nvme. Is it possible to present the disk to the guest as a nvme disk, if so how?</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Example from Libvirt documentation (<a href="https://libvirt.org/formatdomain.html"><span class="s1">https://libvirt.org/formatdomain.html</span></a>)<o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">-----<o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><disk type='nvme' device='disk'><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <driver name='qemu' type='raw'/><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <source type='pci' managed='yes' namespace='1'><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </source><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <target dev='vde' bus='virtio'/><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </disk><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">-----<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">But we want to do something similar to the following: two vNVMe controllers where the first one has one namespace and the second one has two namespaces<o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">-----<o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"># first NVMe controller, one namespace<o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><disk type='network' device='disk'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><driver name='qemu' type='raw'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><source protocol='iscsi' name='iqn.2013-07.com.example:iscsi-nopool/123'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><host name='example.com' port='3260'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><auth username='myuser'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><secret type='iscsi' usage='libvirtiscsi'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></auth><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></source><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><target dev='nvme0' bus='nvme'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></disk><o:p></o:p></span></p>
<p class="p2"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"># second NVMe controller, first namespace<o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><disk type='network' device='disk'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><driver name='qemu' type='raw'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><source protocol='iscsi' name='iqn.2013-07.com.example:iscsi-nopool/456'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><host name='example.com' port='3260'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><auth username='myuser'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><secret type='iscsi' usage='libvirtiscsi'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></auth><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></source><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><target dev='nvme1' namespace='1' bus='nvme'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></disk><o:p></o:p></span></p>
<p class="p2"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"># second NVMe controller, first namespace<o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><disk type='network' device='disk'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><driver name='qemu' type='raw'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><source protocol='iscsi' name='iqn.2013-07.com.example:iscsi-nopool/789'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><host name='example.com' port='3260'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><auth username='myuser'><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><secret type='iscsi' usage='libvirtiscsi'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></auth><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></source><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><target dev='nvme1' namespace='2' bus='nvme'/><o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"></disk><o:p></o:p></span></p>
<p class="p1"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">-----<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">If in case this is not yet supported, would it be merged if we were to implement it?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Suraj <o:p></o:p></span></p>
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