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[libvirt] [PATCH v4 11/12] docs: Add 'uid' and 'fid' information



Update 'Device address' section to describe the 'uid' and 'fid'
attributes.

Signed-off-by: Yi Min Zhao <zyimin linux ibm com>
Reviewed-by: Boris Fiuczynski <fiuczy linux vnet ibm com>
Reviewed-by: Stefan Zimmermann <stzi linux ibm com>
Reviewed-by: Ján Tomko <jtomko redhat com>
Reviewed-by: Andrea Bolognani <abologna redhat 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 0cbf570a13..50881a9ff7 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -3921,7 +3921,14 @@
         (<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 4.7.0
+        </span>), PCI address extensions depending on the architecture
+        are supported. E.g. for S390 guests, PCI addresses have
+        additional attributes: <code>uid</code> (a hex value between
+        0x1 and 0xffff, inclusive), and <code>fid</code> (a hex value
+        between 0x00000000 and 0xffffffff, inclusive), which are 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>&lt;address type='pci'/&gt;</code>
         element with no other attributes as an explicit request to
-- 
Yi Min


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