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

On 11/21/2016 10:58 PM, Eric Farman wrote: > Signed-off-by: Eric Farman <farman(a)linux.vnet.ibm.com&gt; > --- > 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 ;-)...

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> >