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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.
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Laine Stump 382c762c45 conf: remove parse code for long-extinct "<state devaddr='d🅱️s'/> 
Back in July 2009, in the days before libvirt supported explicitly
assigning a PCI address to every device, code was added to save the
PCI addresses of hotplugged network, disk, and hostdevs in the domain
status with this XML element:

   <state devaddr='domain🚌slot'/>

This was added in commits 4e21a95a, 01654107, in v0.7.0, and 0c5b7b93
in v0.7.1.

Then just a few months later, in November 2009, The code that actually
formatted the "devaddr='blah'" into the status XML was removed by
commit 1b0cce7d3 (which "introduced a standardized data structure for
device addresses"). The code to *parse* the devaddr from the status
was left in for backward compatibility though (it just parses it into
the "standard" PCI address).

At the time the devaddr attribute was added, a few other attributes
already existed in the <state> element for network devices, and these
were removed over time (I haven't checked the exact dates of this),
but 10 years later, in libvirt v5.8.0, we *still* maintain code to
parse <state devaddr='blah'/> from the domain status.

In the meantime, even distros so old that we no longer support them in
upstream libvirt are using a libvirt new enough that it doesn't ever
write <state devaddr='blah'/> to the domain status XML.

Since the only way a current libvirt would ever encounter this element
would be if someone was upgrading directly from libvirt <= v0.7.5 with
running guests, it seems safe to finally remove the code that parses it.

Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-10-16 13:48:30 -04:00
.ctags.d maint: Add support for .ctags.d 2019-05-31 17:54:28 +02:00
.gnulib@1f6fb368c0 maint: Improve use of configmake.h on mingw 2019-08-19 17:04:05 -05:00
build-aux Use G_N_ELEMENTS instead of ARRAY_CARDINALITY 2019-10-15 16:14:19 +02:00
ci ci: Stop using --workdir 2019-08-21 18:58:34 +02:00
docs internal: remove no longer used ATTRIBUTE macros 2019-10-15 11:25:26 +02:00
examples examples: Use G_N_ELEMENTS instead of ARRAY_CARDINALITY 2019-10-15 16:14:19 +02:00
gnulib maint: Fix VPATH build 2019-01-07 21:56:16 -06:00
include/libvirt api: introduce virConnectSetIdentity for passing uid, gid, selinux info 2019-09-16 11:25:01 +01:00
m4 util: convert virIdentity class to use GObject 2019-10-14 10:54:42 +01:00
po build: drop the getopt-posix gnulib module 2019-10-07 11:34:24 +01:00
src conf: remove parse code for long-extinct "<state devaddr='d🅱️s'/> 2019-10-16 13:48:30 -04:00
tests Use g_steal_pointer instead of VIR_STEAL_PTR everywhere 2019-10-16 15:59:42 +02:00
tools tools: use g_steal_pointer instead of VIR_STEAL_PTR 2019-10-16 15:59:42 +02:00
.color_coded.in Add color_coded support 2017-05-09 09:51:11 +02:00
.ctags ctags: Generate tags for headers, i.e. function prototypes 2018-09-18 14:21:33 +02:00
.dir-locals.el
.editorconfig Add .editorconfig 2019-09-06 12:47:46 +02:00
.gitignore tests: delete objectlocking test code 2019-10-10 12:49:52 +01:00
.gitlab-ci.yml gitlab: Adapt to container name changes 2019-08-20 13:08:42 +02:00
.gitmodules gnulib: switch to use https:// instead of git:// protocol 2018-03-19 16:32:34 +00:00
.gitpublish git: add config file telling git-publish how to send patches 2018-04-23 11:36:09 +01:00
.mailmap mailmap: Remove some duplicates 2019-06-07 13:18:08 +02:00
.travis.yml build: probe for glib-2 library in configure 2019-10-14 10:54:42 +01:00
.ycm_extra_conf.py.in Add YouCompleteMe support 2017-05-09 09:51:11 +02:00
ABOUT-NLS po: provide custom make rules for po file management 2018-04-19 10:35:58 +01:00
AUTHORS.in AUTHORS: Add Katerina Koukiou 2018-07-17 17:01:19 +02:00
autogen.sh po: provide custom make rules for po file management 2018-04-19 10:35:58 +01:00
bootstrap maint: update gnulib for syntax-check on BSD 2019-01-07 13:54:07 -06:00
bootstrap.conf build: remove use of usleep gnulib module in favour of g_usleep 2019-10-14 10:54:42 +01:00
ChangeLog maint: Stop generating ChangeLog from git 2019-04-03 09:45:25 +02:00
config-post.h nss: only link to yajl library and nothing else 2019-08-07 16:54:02 +01:00
configure.ac util: use glib base64 encoding/decoding APIs 2019-10-14 10:54:42 +01:00
COPYING
COPYING.LESSER maint: Remove control characters from LGPL license file 2015-09-25 09:16:24 +02:00
gitdm.config gitdm: Add gitdm configuration 2019-06-07 13:18:14 +02:00
GNUmakefile build: merge all syntax-check logic into one file 2019-10-09 13:36:54 +01:00
libvirt-admin.pc.in Add libvirt-admin library 2015-06-16 13:46:20 +02:00
libvirt-lxc.pc.in
libvirt-qemu.pc.in
libvirt.pc.in
libvirt.spec.in build: probe for glib-2 library in configure 2019-10-14 10:54:42 +01:00
Makefile.am build: merge all syntax-check logic into one file 2019-10-09 13:36:54 +01:00
Makefile.nonreentrant Remove backslash alignment attempts 2017-11-03 13:24:12 +01:00
mingw-libvirt.spec.in build: probe for glib-2 library in configure 2019-10-14 10:54:42 +01:00
README Provide a useful README file 2017-05-22 17:01:37 +01:00
README-hacking docs: update all GIT repo examples to use https:// protocol 2018-03-21 14:48:01 +00:00
README.md README: fix license typo 2019-07-25 09:21:28 -06:00
run.in util: activate directory override when used from library 2019-09-10 11:03:35 +01:00

README.md

Build Status CII Best Practices

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

Libvirt uses the GNU Autotools build system, so in general can be built and installed with the usual commands. For example, to build in a manner that is suitable for installing as root, use:

$ ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
$ make
$ sudo make install

While to build & install as an unprivileged user

$ ./configure --prefix=$HOME/usr
$ make
$ make install

The libvirt code relies on a large number of 3rd party libraries. These will be detected during execution of the configure script and a summary printed which lists any missing (optional) dependencies.

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:

Further details on contacting the project are available on the website:

https://libvirt.org/contact.html