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de3289e2b5
There was one attempt a year ago done by me to drop HAL [1] but it was never resolved. There was another time when Dan suggested to drop HAL driver [2] but it was decided to keep it around in case device assignment will be implemented for FreeBSD and the fact that virt-manager uses node device driver [3]. I checked git history and code and it doesn't look like bhyve supports device assignment so from that POV it should not block removing HAL. The argument about virt-manager is not strong as well because libvirt installed from FreeBSD packages doesn't have HAL support so it will not affect these users as well [4]. The only users affected by this change would be the ones compiling libvirt from GIT on FreeBSD. I looked into alternatives and there is libudev-devd package on FreeBSD but unfortunately it doesn't work as it doesn't list any devices when used with libvirt. It provides libudev APIs using devd. I also looked into devd directly and it provides some APIs but there are no APIs for device monitoring and events so that would have to be somehow done by libvirt. Main motivation for dropping HAL support is to replace libdbus with GLib dbus implementation and it cannot be done with HAL driver present in libvirt because HAL APIs heavily depends on symbols provided by libdbus. [1] <https://www.redhat.com/archives/libvir-list/2019-May/msg00203.html> [2] <https://www.redhat.com/archives/libvir-list/2016-April/msg00992.html> [3] <https://www.redhat.com/archives/libvir-list/2016-April/msg00994.html> [4] <https://svnweb.freebsd.org/ports/head/devel/libvirt/Makefile?view=markup> Signed-off-by: Pavel Hrdina <phrdina@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com> |
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==============================
Libvirt API for virtualization
==============================
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
For some of these hypervisors, it provides a stateful management
daemon which runs on the virtualization host allowing access to the
API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other
languages including Python, Perl, PHP, Go, Java, OCaml, as well as
mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the
website:
https://libvirt.org
License
=======
The libvirt C API is distributed under the terms of GNU Lesser General
Public License, version 2.1 (or later). Some parts of the code that are
not part of the C library may have the more restrictive GNU General
Public License, version 2.0 (or later). See the files ``COPYING.LESSER``
and ``COPYING`` for full license terms & conditions.
Installation
============
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
============
The libvirt project welcomes contributions in many ways. For most components
the best way to contribute is to send patches to the primary development
mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
=======
The libvirt project has two primary mailing lists:
* libvirt-users@redhat.com (**for user discussions**)
* libvir-list@redhat.com (**for development only**)
Further details on contacting the project are available on the website:
https://libvirt.org/contact.html