[libvirt] [PATCH v4 9/9] docs: Add vhost-scsi
Eric Farman
farman at linux.vnet.ibm.com
Mon Nov 28 12:52:50 UTC 2016
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 at linux.vnet.ibm.com>
>> ---
>> 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 @@
>> </devices>
>> ...</pre>
>>
>> + <p>or:</p>
>> +
>> +<pre>
>> + ...
>> + <devices>
>> + <hostdev mode='subsystem' type='scsi_host'>
>> + <source protocol='vhost' wwpn='naa.50014057667280d8'/>
>> + </hostdev>
>> + </devices>
>> + ...</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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