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The XML allows <encryption format='unencrypted'/>, this implementation canonicalizes the internal representation so that "vol->encryption" is non-NULL iff the volume is encrypted. Note that partial encryption information (e.g. specifying an encryption format, but not the key/passphrase) is valid, libvirt will automatically choose value for the missing information during volume creation. The user can read the volume XML, and use the unmodified <encryption> tag in future operations (without having to be able to understand) its contents. * docs/formatstorage.html, docs/formatstorage.html.in: Document storage volume encryption options * src/storage_conf.c, src/storage_conf.h: Hook up storage encryption XML handling * tests/storagevolschemadata/vol-qcow2.xml: Test case for encryption schema changes
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>