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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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Eric Blake 0fab10e5ed vcpu: improve vcpu support in xen command line 
This patch series focuses on xendConfigVersion 2 (xm_internal) and 3
(xend_internal), but leaves out changes for xenapi drivers.

See this link for more details about vcpu_avail for xm usage.
http://lists.xensource.com/archives/html/xen-devel/2009-11/msg01061.html

This relies on the fact that def->maxvcpus can be at most 32 with xen.

* src/xen/xend_internal.c (xenDaemonParseSxpr)
(sexpr_to_xend_domain_info, xenDaemonFormatSxpr): Use vcpu_avail
when current vcpus is less than maximum.
* src/xen/xm_internal.c (xenXMDomainConfigParse)
(xenXMDomainConfigFormat): Likewise.
* tests/xml2sexprdata/xml2sexpr-pv-vcpus.sexpr: New file.
* tests/sexpr2xmldata/sexpr2xml-pv-vcpus.sexpr: Likewise.
* tests/sexpr2xmldata/sexpr2xml-pv-vcpus.xml: Likewise.
* tests/xmconfigdata/test-paravirt-vcpu.cfg: Likewise.
* tests/xmconfigdata/test-paravirt-vcpu.xml: Likewise.
* tests/xml2sexprtest.c (mymain): New test.
* tests/sexpr2xmltest.c (mymain): Likewise.
* tests/xmconfigtest.c (mymain): Likewise.
2010-10-19 10:06:45 -06:00
.gnulib@cac3889c18 build: use latest gnulib, for ignore-value fix 2010-10-15 16:13:23 -06:00
build-aux build: update gnulib 2010-03-26 19:16:37 +01:00
daemon vcpu: implement the remote protocol 2010-10-19 10:02:33 -06:00
docs vcpu: add current attribute to <vcpu> element 2010-10-19 09:58:18 -06:00
examples build: fix example build on MacOS X 2010-09-30 11:34:00 -06:00
include vcpu: add new public API 2010-10-19 10:00:17 -06:00
m4 build: restore operation of bit-rotted 'make cov' 2010-07-29 13:41:25 -06:00
po Libvirt release 0.8.4 2010-09-10 17:24:36 +02:00
proxy proxy: Fix undefined reference to virClose 2010-10-19 16:47:35 +02:00
python Fix several minor problems introduced by the memtune series 2010-10-12 21:24:11 +02:00
src vcpu: improve vcpu support in xen command line 2010-10-19 10:06:45 -06:00
tests vcpu: improve vcpu support in xen command line 2010-10-19 10:06:45 -06:00
tools vcpu: add virsh support 2010-10-19 10:06:11 -06:00
.gitignore build: restore operation of bit-rotted 'make cov' 2010-07-29 13:41:25 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: update an email address preference 2010-08-10 08:13:22 -06:00
.x-sc_avoid_ctype_macros exempt gnulib from ctype-macros prohibition 2008-10-28 17:36:31 +00:00
.x-sc_avoid_if_before_free avoid a "make syntax-check" failure 2009-07-09 20:00:37 +02:00
.x-sc_avoid_write Fully asynchronous monitor I/O processing 2009-11-10 13:27:18 +00:00
.x-sc_m4_quote_check syntax-check: enable more checks 2009-02-03 13:08:36 +00:00
.x-sc_po_check build: avoid false positive syntax-check failure 2010-10-19 09:28:35 -06:00
.x-sc_prohibit_always_true_header_tests build: update gnulib 2010-05-06 14:35:38 -06:00
.x-sc_prohibit_asprintf add .x-sc_prohibit_asprintf 2008-12-23 13:40:42 +00:00
.x-sc_prohibit_gethostby Various syntax-check fixes. 2009-10-26 10:34:05 +01:00
.x-sc_prohibit_gethostname Add a new syntax-check rule for gethostname. 2009-10-26 10:34:27 +01:00
.x-sc_prohibit_gettext_noop build: fix syntax-check problems 2010-04-12 16:43:05 -06:00
.x-sc_prohibit_have_config_h maint: sync from coreutils 2009-01-29 18:06:19 +00:00
.x-sc_prohibit_HAVE_MBRTOWC maint: sync from coreutils 2009-01-29 18:06:19 +00:00
.x-sc_prohibit_nonreentrant Tighten up nonreentrant syntax-check. 2009-10-26 10:33:42 +01:00
.x-sc_prohibit_readlink Add a rule to check for uses of readlink. 2010-01-22 09:42:35 -05:00
.x-sc_prohibit_strcmp exempt gnulib/ from "make syntax-check" strcmp prohibition 2008-05-14 21:18:27 +00:00
.x-sc_prohibit_strcmp_and_strncmp Ignore docs/ directory for strcmp() syntax check 2009-11-23 11:58:13 +00:00
.x-sc_prohibit_strncpy Avoid checking against strncpy in virsh.c 2010-10-12 19:26:10 +02:00
.x-sc_prohibit_test_minus_ao build: fix syntax-check problems 2010-04-12 16:43:05 -06:00
.x-sc_prohibit_VIR_ERR_NO_MEMORY Various syntax-check fixes. 2009-10-26 10:34:05 +01:00
.x-sc_require_config_h Various syntax-check fixes. 2009-10-26 10:34:05 +01:00
.x-sc_require_config_h_first Misc syntax-check fixes 2009-09-21 14:41:47 +01:00
.x-sc_trailing_blank build: exempt *.ico files from the trailing blank check 2008-10-16 13:28:07 +00:00
.x-sc_unmarked_diagnostics build: import latest gnulib 2010-04-02 10:18:55 -06:00
acinclude.m4 maint: turn on gcc logical-op checking 2010-07-28 15:25:36 +02:00
AUTHORS maint: add recent author 2010-10-14 09:17:42 -06:00
autobuild.sh autobuild.sh: avoid bashism 2010-06-04 10:03:52 -06:00
autogen.sh build: require pkg-config for bootstrap 2010-10-05 13:54:39 -06:00
bootstrap build: fix mingw build 2010-10-14 05:51:01 -06:00
bootstrap.conf build: require pkg-config for bootstrap 2010-10-05 13:54:39 -06:00
cfg.mk Avoid unnecessary bootstrap runs in VPATH builds 2010-08-11 09:20:26 +02:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
configure.ac build: provide URL in 'configure --help' 2010-10-14 05:51:01 -06:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Introduce VIR_CLOSE to be used rather than close() 2010-10-19 10:23:51 -04:00
libvirt.pc.in * libvirt.pc.in: applied patch from Daniel Berrange to fix --cflags 2006-03-24 13:18:12 +00:00
libvirt.spec.in qemu: let qemu group look below /var/lib/libvirt/qemu/ 2010-10-18 10:23:03 -06:00
Makefile.am build: restore operation of bit-rotted 'make cov' 2010-07-29 13:41:25 -06:00
Makefile.nonreentrant syntax-check: enable prohibit_nonreentrant 2009-02-05 16:28:41 +00:00
mingw32-libvirt.spec.in mingw: match recent changes in spec file 2010-09-07 11:17:13 -06:00
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
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>