docs: Clarify the documentation of the <css> elements

The channel subsystem elements describe a channel in the I/O subsystem
of a s390x machine, and not a normal device (like a disk or network card).
Reword the documentation here to make it this a little bit clearer.

Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1898074
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Thomas Huth 2021-01-29 15:37:26 +01:00 committed by Michal Privoznik
parent 3610795fe8
commit b943099c87

View File

@ -396,15 +396,15 @@
</dl>
</dd>
<dt><code>css</code></dt>
<dd>Describes a Channel SubSystem (CSS) device commonly found on
the S390 architecture. Sub-elements include:
<dd>Describes a subchannel in the Channel SubSystem (CSS) commonly
found on the S390 architecture. Sub-elements include:
<dl>
<dt><code>cssid</code></dt>
<dd>The channel subsystem identifier.</dd>
<dt><code>ssid</code></dt>
<dd>The subchannel-set identifier.</dd>
<dt><code>devno</code></dt>
<dd>The device number.</dd>
<dd>The subchannel number.</dd>
<dt><code>capability</code></dt>
<dd>
This optional element can occur multiple times. If it