[libvirt] [PATCH v6 12/13] docs: Add 'uid' and 'fid' information

[Yi Min Zhao]

Update 'Device address' section to describe 'zpci' element and
its two attributes 'uid' and 'fid'.

Signed-off-by: Yi Min Zhao <zyimin at linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy at linux.vnet.ibm.com>
Reviewed-by: Stefan Zimmermann <stzi at linux.ibm.com>
---
 docs/formatdomain.html.in | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 8189959773..a6e07e4a8a 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -3925,7 +3925,14 @@
         (<span class="since">since 0.9.7, requires QEMU
         0.13</span>). <code>multifunction</code> defaults to 'off',
         but should be set to 'on' for function 0 of a slot that will
-        have multiple functions used.<br/>
+        have multiple functions used.
+        (<span class="since">Since 4.8.0 </span>), PCI address extensions
+        depending on the architecture are supported. E.g. for S390 guests,
+        PCI addresses have child element: <code>zpci</code>, which has
+        two attributes <code>uid</code> (a hex value between 0x0001 and
+        0xffff, inclusive), and <code>fid</code> (a hex value between
+        0x00000000 and 0xffffffff, inclusive) used by PCI devices on S390
+        for User-defined Identifiers and Function Identifiers.<br/>
         <span class="since">Since 1.3.5</span>, some hypervisor
         drivers may accept an <code><address type='pci'/></code>
         element with no other attributes as an explicit request to
-- 
Yi Min