Re: [PATCH v4 9/9] docs: Add vhost-scsi

[Eric Farman <farman@xxxxxxxxxxxxxxxxxx>]

On 11/22/2016 04:16 PM, John Ferlan wrote:
> On 11/21/2016 10:58 PM, Eric Farman wrote:
> > Signed-off-by: Eric Farman <farman@xxxxxxxxxxxxxxxxxx>
> > ---
> >   docs/formatdomain.html.in | 24 ++++++++++++++++++++++++
> >   1 file changed, 24 insertions(+)
> This will get squashed in with the conf patch. I'll also generate the
> news.html.in entry:
>
>            <li>vhost-scsi: Add support scsi_host hostdev passthrough<br/>
>            Add the capability to pass through a scsi_host HBA and the
>            associated LUNs to the guest.
>            </li>
>
>
> ACK -
>
> I'll push these in a bit, just seeing what I get on my test system... Of
> course I'm also curious what would happen if I try to pass through a
> vHBA ;-)...

Many thanks, John!  And let me know if that bubbles up your list; I'm 
curious what would happen too.  :-)

 - Eric

> John
> > diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
> > index 4e40aa1..6bd02cc 100644
> > --- a/docs/formatdomain.html.in
> > +++ b/docs/formatdomain.html.in
> > @@ -3694,6 +3694,17 @@
> >   &lt;/devices&gt;
> >   ...</pre>
> >   
> > +    <p>or:</p>
> > +
> > +<pre>
> > +  ...
> > +  &lt;devices&gt;
> > +    &lt;hostdev mode='subsystem' type='scsi_host'&gt;
> > +      &lt;source protocol='vhost' wwpn='naa.50014057667280d8'/&gt;
> > +    &lt;/hostdev&gt;
> > +  &lt;/devices&gt;
> > +  ...</pre>
> > +
> >       <dl>
> >         <dt><code>hostdev</code></dt>
> >         <dd>The <code>hostdev</code> element is the main container for describing
> > @@ -3732,6 +3743,12 @@
> >               If a disk lun in the domain already has the rawio capability,
> >               then this setting not required.
> >             </dd>
> > +          <dt><code>scsi_host</code></dt>
> > +          <dd><span class="since">since 2.5.0</span>For SCSI devices, user
> > +            is responsible to make sure the device is not used by host. This
> > +            <code>type</code> passes all LUNs presented by a single HBA to
> > +            the guest.
> > +          </dd>
> >           </dl>
> >           <p>
> >             Note: The <code>managed</code> attribute is only used with PCI devices
> > @@ -3795,6 +3812,13 @@
> >               credentials to the iSCSI server.
> >               </p>
> >             </dd>
> > +          <dt><code>scsi_host</code></dt>
> > +          <dd><span class="since">Since 2.5.0</span>, multiple LUNs behind a
> > +            single SCSI HBA are described by a <code>protocol</code>
> > +            attribute set to "vhost" and a <code>wwpn</code> attribute that
> > +            is the vhost_scsi wwpn (16 hexadecimal digits with a prefix of
> > +            "naa.") established in the host configfs.
> > +          </dd>
> >           </dl>
> >         </dd>
> >         <dt><code>vendor</code>, <code>product</code></dt>

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