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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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47b9aae0ae
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Laine Stump 47b9aae0ae qemu: default to vfio for nodedev-detach 
This patch resolves:

  https://bugzilla.redhat.com/show_bug.cgi?id=1035188

Commit f094aaac48 changed the PCI device assignment in qemu domains
to default to using VFIO rather than legacy KVM device assignment
(when VFIO is available). It didn't change which driver was used by
default for virNodeDeviceDetachFlags(), though, so that API (and the
virsh nodedev-detach command) was still binding to the pci-stub
driver, used by legacy KVM assignment, by default.

This patch publicizes (only within the qemu module, though, so no
additions to the symbol exports are needed) the functions that check
for presence of KVM and VFIO device assignment, then uses those
functions to decide what to do when no driver is specified for
virNodeDeviceDetachFlags(); if the vfio driver is loaded, the device
will be bound to vfio-pci, or if legacy KVM assignment is supported on
this system, the device will be bound to pci-stub; if neither method
is available, the detach will fail.
2013-12-03 11:58:26 +02:00
.gnulib@831b84c59e maint: update to latest gnulib 2013-11-23 21:05:15 -07:00
build-aux maint: enforce comma style usage 2013-11-20 09:24:18 -07:00
daemon Remove all direct use of getenv 2013-10-21 14:03:52 +01:00
docs docs: fix some typos 2013-12-02 11:59:18 -07:00
examples Remove python binding 2013-11-25 16:08:00 +00:00
gnulib Don't link virt-login-shell against libvirt.so (CVE-2013-4400) 2013-10-21 14:03:52 +01:00
include docs: fix typo in previous patch 2013-12-02 11:27:37 -07:00
m4 storage: initial support for linking with libgfapi 2013-11-25 11:02:52 -07:00
po Release of libvirt-1.2.0 2013-12-02 12:17:51 +08:00
src qemu: default to vfio for nodedev-detach 2013-12-03 11:58:26 +02:00
tests tests: Fix comment for fake storage pool driver 2013-12-02 13:36:09 +01:00
tools Doc: Explicitly declaring that nodedev-destroy only works for vHBA 2013-12-03 16:34:46 +08:00
.ctags maint: Make ctags work out of the box 2013-07-18 08:47:21 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Pull lxcContainerGetSubtree out into shared virfile module 2013-11-28 11:49:01 +00:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add John Ferlan to the committers list 2013-02-05 10:59:32 -05:00
autobuild.sh Remove python binding 2013-11-25 16:08:00 +00:00
autogen.sh autogen.sh: Correctly detect .git as a file 2013-08-29 13:19:45 +02:00
bootstrap maint: update to latest gnulib 2013-09-24 06:53:07 -06:00
bootstrap.conf Add helpers for getting env vars in a setuid environment 2013-10-21 14:03:52 +01:00
cfg.mk Remove python binding 2013-11-25 16:08:00 +00:00
ChangeLog-old maint: typo fixes 2013-10-22 16:49:32 +01:00
config-post.h build: fix build of virt-login-shell on systems with older gnutls 2013-10-22 09:41:50 -06:00
configure.ac Release of libvirt-1.2.0 2013-12-02 12:17:51 +08:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING maint: enforce comma style usage 2013-11-20 09:24:18 -07:00
libvirt.pc.in Add missing 'libvirt_lxc_api' variable in pkg-config file 2013-09-04 14:52:40 +01:00
libvirt.spec.in Release of libvirt-1.2.0 2013-12-02 12:17:51 +08:00
Makefile.am Remove obsolete 'tests' makefile target 2013-11-25 16:28:55 +00:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in Remove python binding 2013-11-25 16:08:00 +00:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in Remove python binding 2013-11-25 16:08:00 +00:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         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>