[pve-devel] [PATCH docs 1/2] qm: resource mapping: add description for `mdev` option

[Dominik Csapak <d.csapak@proxmox.com>]

in a new section about additional options

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 qm.adoc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/qm.adoc b/qm.adoc
index 1170dd1..c146ce9 100644
--- a/qm.adoc
+++ b/qm.adoc
@@ -1734,6 +1734,19 @@ To create mappings `Mapping.Modify` on `/mapping/<type>/<name>` is necessary
 To use these mappings, `Mapping.Use` on `/mapping/<type>/<name>` is necessary
 (in addition to the normal guest privileges to edit the configuration).
 
+Additional Options
+^^^^^^^^^^^^^^^^^^
+
+There are additional options when defining a cluster wide resource mapping.
+Currently there are the following options:
+
+* `mdev` (PCI): This marks the PCI device as being capable of providing
+  `mediated devices`. When this is enabled, you can select a type when
+  configuring it on the guest. If multiple PCI devices are selected for
+  the mapping, the mediated device will be create on the first one where
+  there are any available instances of the selected type.
+
+
 Managing Virtual Machines with `qm`
 ------------------------------------
 
-- 
2.39.2