diff mbox series

[v2,16/16] docs: formatdomaincaps: Describe optional XML changes

Message ID 7668e9c38ca1f14b9e50558becb0bc3dda28bbaf.1551914794.git.crobinso@redhat.com
State Accepted
Commit 1e1cf8e66b556c51427400e97570e0963d59a228
Headers show
Series domcaps: use virTristateBool | expand

Commit Message

Cole Robinson March 6, 2019, 11:38 p.m. UTC 
Signed-off-by: Cole Robinson <crobinso@redhat.com>

---
 docs/formatdomaincaps.html.in | 11 +++++++++++
 1 file changed, 11 insertions(+)

-- 
2.20.1

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diff mbox series

Patch

diff --git a/docs/formatdomaincaps.html.in b/docs/formatdomaincaps.html.in
index ba48daab2d..2583f9bead 100644
--- a/docs/formatdomaincaps.html.in
+++ b/docs/formatdomaincaps.html.in
@@ -37,6 +37,17 @@ 
     management application to choose an appropriate mode for a pass-through
     host device as well as which adapter to utilize.</p>
 
+    <p>Some XML elements may be entirely omitted from the domaincapabilities
+    XML, depending on what the libvirt driver has filled in. Applications
+    should only act on what is explicitly reported in the domaincapabilities
+    XML. For example, if &lt;disk supported='yes'/&gt; is present, you can safely
+    assume the driver supports &lt;disk&gt; devices. If &lt;disk supported='no'/&gt; is
+    present, you can safely assume the driver does NOT support &lt;disk&gt;
+    devices. If the &lt;disk&gt; block is omitted entirely, the driver is not
+    indicating one way or the other whether it supports &lt;disk&gt; devices, and
+    applications should not interpret the missing block to mean any thing in
+    particular.</p>
+
     <h2><a id="elements">Element and attribute overview</a></h2>
 
     <p> A new query interface was added to the virConnect API's to retrieve the