<div dir="ltr">Hi Pavel,<div><br></div><div>I've found a blog post, which claims otherwise, here's excerpt from it:</div><div><br></div><div></div><div><h2 style="margin:0px;font-size:22px;font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif"><span style="background-color:rgb(255,255,255)"><font color="#000000">The <qemu:commandline> domain XML tag</font></span></h2><span style="background-color:rgb(255,255,255)"><font color="#000000"><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">There is a special namespace for QEMU-specific tags in libvirt domain XML. You</span><br style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">cannot use QEMU-specific tags without first declaring the namespace. To enable</span><br style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">it use the following:</span><br style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"></font></span><pre style="font-size:13.2px"><span style="background-color:rgb(255,255,255)"><font color="#000000"><domain type='kvm' xmlns:qemu='<a href="http://libvirt.org/schemas/domain/qemu/1.0">http://libvirt.org/schemas/domain/qemu/1.0</a>'></font></span></pre><span style="background-color:rgb(255,255,255)"><font color="#000000"><br style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">Now you can </span><b style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">add command-line arguments</b><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"> to the QEMU invocation. For example, to load an option ROM with </span><tt style="font-size:13.2px">-option-rom</tt><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">:</span><br style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"></font></span><pre style="font-size:13.2px"><span style="background-color:rgb(255,255,255)"><font color="#000000"><qemu:commandline>
   <qemu:arg value='-option-rom'/>
   <qemu:arg value='path/to/my.rom'/>
</qemu:commandline></font></span></pre><span style="background-color:rgb(255,255,255)"><font color="#000000"><br style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">It is also possible to </span><b style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px">add environment variables</b><span style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"> to the QEMU invocation:</span><br style="font-family:Arial,Tahoma,Helvetica,FreeSans,sans-serif;font-size:13.2px"></font></span><pre style="font-size:13.2px"><span style="background-color:rgb(255,255,255)"><font color="#000000"><qemu:commandline>
   <qemu:env name='MY_VAR' value='my_value'/>
</qemu:commandline></font></span></pre></div><div><br></div><div><br></div><div>Can you please comment regarding this approach?</div><div><br></div><div><br></div><div>Regards</div><div><br></div><div>Narunas</div><div><br></div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 20, 2017 at 10:44 AM, Pavel Hrdina <span dir="ltr"><<a href="mailto:phrdina@redhat.com" target="_blank">phrdina@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Tue, Jun 20, 2017 at 10:20:01AM +0100, Narunas Krasauskas wrote:<br>
> Is there a way to load *fw_cfg* file in *virt-manager* (v1.4.1)?<br>
><br>
> On the plain *QEMU* command line I can do it like so:<br>
><br>
> -fw_cfg name=opt/com.coreos/config,<wbr>file=some/file.json<br>
><br>
> I cannot find equivalent option in the *virt-manager*.<br>
><br>
> Thanks, Narunas<br>
<br>
Hi, no there is no way to use *fw_cfg* in virt-manager.  Virt-manager<br>
controls libvirt an this is not even implemented in libvirt.<br>
<br>
To allow setting it via virt-manager/virt-xml/virt-<wbr>install it needs<br>
to be implemented in libvirt as well.<br>
<br>
Feel free to create a Bug to track this feature, both libvirt and<br>
virt-manager uses this site to track bugs [1].  As a product you should<br>
select "Virtualization Tools" and component is libvirt or virt-manager.<br>
<span class="HOEnZb"><font color="#888888"><br>
Pavel<br>
</font></span></blockquote></div><br></div>