diff options
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/dbus-vmstate1.xml | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/backends/dbus-vmstate1.xml b/backends/dbus-vmstate1.xml index cc8563be4c..601ee8dc7e 100644 --- a/backends/dbus-vmstate1.xml +++ b/backends/dbus-vmstate1.xml @@ -1,10 +1,50 @@ -<?xml version="1.0"?> +<?xml version="1.0" encoding="utf-8"?> <node name="/" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd"> + <!-- + org.qemu.VMState1: + + This interface must be implemented at the object path + ``/org/qemu/VMState1`` to support helper migration. + --> <interface name="org.qemu.VMState1"> + + <!-- + Id: + + A string that identifies the helper uniquely. (maximum 256 bytes + including terminating NUL byte) + + .. note:: + + The VMState helper ID namespace is its own namespace. In particular, + it is not related to QEMU "id" used in -object/-device objects. + --> <property name="Id" type="s" access="read"/> + + <!-- + Load: + @data: data to restore the state. + + The method called on destination with the state to restore. + + The helper may be initially started in a waiting state (with an + ``-incoming`` argument for example), and it may resume on success. + + An error may be returned to the caller. + --> <method name="Load"> <arg type="ay" name="data" direction="in"/> </method> + + <!-- + Save: + @data: state data to save for later resume. + + The method called on the source to get the current state to be + migrated. The helper should continue to run normally. + + An error may be returned to the caller. + --> <method name="Save"> <arg type="ay" name="data" direction="out"/> </method> |