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Author SHA1 Message Date
Eric Blake
610112ba00 maint: this branch is now dead
Upstream is no longer willing to backport patches to a branch
this old.  If you disagree with the policy, please volunteer
to become the branch maintainer on libvir-list@redhat.com

Signed-off-by: Eric Blake <eblake@redhat.com>
2014-09-18 09:33:20 -06:00
Daniel P. Berrange
be7a5de9d0 LSN-2014-0003: Don't expand entities when parsing XML
If the XML_PARSE_NOENT flag is passed to libxml2, then any
entities in the input document will be fully expanded. This
allows the user to read arbitrary files on the host machine
by creating an entity pointing to a local file. Removing
the XML_PARSE_NOENT flag means that any entities are left
unchanged by the parser, or expanded to "" by the XPath
APIs.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
(cherry picked from commit d6b27d3e4c)
2014-05-06 14:31:10 +01:00
Cole Robinson
86d330daa0 Prep for release 0.9.6.4 2013-01-28 14:16:56 -05:00
Peter Krempa
b5a34d96ff rpc: Fix crash on error paths of message dispatching
This patch resolves CVE-2013-0170:
https://bugzilla.redhat.com/show_bug.cgi?id=893450

When reading and dispatching of a message failed the message was freed
but wasn't removed from the message queue.

After that when the connection was about to be closed the pointer for
the message was still present in the queue and it was passed to
virNetMessageFree which tried to call the callback function from an
uninitialized pointer.

This patch removes the message from the queue before it's freed.

* rpc/virnetserverclient.c: virNetServerClientDispatchRead:
    - avoid use after free of RPC messages
(cherry picked from commit 46532e3e8e)

Conflicts:
	src/rpc/virnetserverclient.c
2013-01-28 14:11:49 -05:00
Jiri Denemark
bebe5122b9 qemu: Clear async job when p2p migration fails early
When p2p migration fails early because qemuMigrationIsAllowed or
qemuMigrationIsSafe say migration should be cancelled, we fail to clear
the migration-out async job. As a result of that, further APIs called
for the same domain may fail with Timed out during operation: cannot
acquire state change lock.

Reported by Guido Winkelmann.

Conflicts:
	src/qemu/qemu_migration.c - qemuMigrationIsSafe was not there in
	                            0.9.6 yet
2012-10-17 17:04:45 +02:00
Cole Robinson
687c089380 Prep for release 0.9.6.3 2012-10-07 17:49:56 -04:00
Cole Robinson
f527b94607 Merge branch 'v0.9.6-maint' of git://libvirt.org/libvirt into v0.9.6-maint 2012-10-07 17:48:37 -04:00
Martin Kletzander
96d4cd58f5 security: Fix libvirtd crash possibility
Fix for CVE-2012-4423.

When generating RPC protocol messages, it's strictly needed to have a
continuous line of numbers or RPC messages. However in case anyone
tries backporting some functionality and will skip a number, there is
a possibility to make the daemon segfault with newer virsh (version of
the library, rpc call, etc.) even unintentionally.

The problem is that the skipped numbers will get func filled with
NULLs, but there is no check whether these are set before the daemon
tries to run them. This patch very simply enhances one check and fixes
that.
(cherry picked from commit b7ff9e6960)
2012-10-07 17:30:12 -04:00
Martin Kletzander
c84053c2ab security: Fix libvirtd crash possibility
Fix for CVE-2012-4423.

When generating RPC protocol messages, it's strictly needed to have a
continuous line of numbers or RPC messages. However in case anyone
tries backporting some functionality and will skip a number, there is
a possibility to make the daemon segfault with newer virsh (version of
the library, rpc call, etc.) even unintentionally.

The problem is that the skipped numbers will get func filled with
NULLs, but there is no check whether these are set before the daemon
tries to run them. This patch very simply enhances one check and fixes
that.
(cherry picked from commit b7ff9e6960)
2012-09-19 09:09:14 -06:00
Cole Robinson
a1ceef9b42 Prep for release 0.9.6.2 2012-08-13 18:19:51 -04:00
Eric Blake
6cde2d3965 build: drop check for ANSI compiler
Using automake.git (will become 1.12 someday), I got this error:

configure.ac:90: error: automatic de-ANSI-fication support has been removed
/usr/local/share/aclocal-1.11a/protos.m4:13: AM_C_PROTOTYPES is expanded from...
configure.ac:90: the top level
autom4te: /usr/bin/m4 failed with exit status: 1

In short, pre-C89 compilers are no longer a viable portability
target.  Besides, our code base already requires C99, so worrying
about pre-C89 seems pointless.

* configure.ac (AM_C_PROTOTYPES): Drop, since newer automake no
longer provides it.
(cherry picked from commit 307f363509)
2012-08-12 20:54:05 -04:00
Eric Blake
2f809dba2c tests: avoid seclabeltest crash
Commit a56c347 introduced a use of random numbers into seclabel
handling, but failed to initialize the random number generator
in the testsuite.  Also, fail with usual status, not 255.

* tests/seclabeltest.c (main): Initialize randomness.
(cherry picked from commit a22a36e8fe)

Conflicts:
	tests/seclabeltest.c
2012-08-12 20:16:48 -04:00
Cole Robinson
b50badc5ee Remove unused <dirent.h> imports to appease syntax-check
This is 0.9.6-maint only, but similar changes are upstream
2012-08-12 20:08:53 -04:00
Cole Robinson
85fc04dd1b Appease gnulib sc_makefile_at_at_check
This is for v0.9.6 maint only, though similar changes are upstream.
2012-08-12 20:06:31 -04:00
Laine Stump
06e1daac70 test: fix segfault in networkxml2argvtest
This bug resolves https://bugzilla.redhat.com/show_bug.cgi?id=810100

rpm builds for i686 were failing with a segfault in
networkxml2argvtest. Running under valgrind showed that a region of
memory was being referenced after it had been freed (as the result of
realloc - see the valgrind report in the BZ).

The problem (in replaceTokens() - added in commit 22ec60, meaning this
bug was in 0.9.10 and 0.9.11) was that the pointers token_start and
token_end were being computed based on the value of *buf, then *buf
was being realloc'ed (potentially moving it), then token_start and
token_end were used without recomputing them to account for movement
of *buf.

The solution is to change the code so that token_start and token_end
are offsets into *buf rather than pointers. This way there is only a
single pointer to the buffer, and nothing needs readjusting after a
realloc. (You may note that some uses of token_start/token_end didn't
need to be changed to add in "*buf +" - that's because there ended up
being a +*buf and -*buf which canceled each other out).

DV gets the credit for finding this bug and pointing out the valgrind
report.
(cherry picked from commit bde32b1ada)
2012-08-12 19:52:43 -04:00
Philipp Hahn
fb68e28304 tests: dynamically replace dnsmasq path
The path to the dnsmasq binary can be configured while in the test data
the path is hard-coded to /usr/bin/. This break the test suite if a the
binary is located in a different location, like /usr/local/sbin/.

Replace the hard coded path in the test data by a token, which is
dynamically replaced in networkxml2argvtest with the configured path
after the test data has been loaded.

(Another option would have been to modify configure.ac to generate the
 test data during configure, but I do not know of an easy way do trick
 configure into mass-generate those test files without listing every
 single one, which I consider less flexible.)

- unit-test the unit-test:
  #include <assert.h>
  #define TEST(in,token,rep,out) { char *buf = strdup(in); assert(!replaceTokens(&buf, token, rep) && !strcmp(buf, out)); free(buf); }
  TEST("", "AA", "B", "");
  TEST("A", "AA", "B", "A");
  TEST("AA", "AA", "B", "B");
  TEST("AAA", "AA", "B", "BA");
  TEST("AA", "AA", "BB", "BB");
  TEST("AA", "AA", "BBB", "BBB");
  TEST("<AA", "AA", "B", "<B");
  TEST("<AA", "AA", "BB", "<BB");
  TEST("<AA", "AA", "BBB", "<BBB");
  TEST("AA>", "AA", "B", "B>");
  TEST("AA>", "AA", "BB", "BB>");
  TEST("AA>", "AA", "BBB", "BBB>");
  TEST("<AA>", "AA", "B", "<B>");
  TEST("<AA>", "AA", "BB", "<BB>");
  TEST("<AA>", "AA", "BBB", "<BBB>");
  TEST("<AA|AA>", "AA", "B", "<B|B>");
  TEST("<AA|AA>", "AA", "BB", "<BB|BB>");
  TEST("<AA|AA>", "AA", "BBB", "<BBB|BBB>");
  TEST("<AAAA>", "AA", "B", "<BB>");
  TEST("<AAAA>", "AA", "BB", "<BBBB>");
  TEST("<AAAA>", "AA", "BBB", "<BBBBBB>");
  TEST("AAAA>", "AA", "B", "BB>");
  TEST("AAAA>", "AA", "BB", "BBBB>");
  TEST("AAAA>", "AA", "BBB", "BBBBBB>");
  TEST("<AAAA", "AA", "B", "<BB");
  TEST("<AAAA", "AA", "BB", "<BBBB");
  TEST("<AAAA", "AA", "BBB", "<BBBBBB");
  alarm(1); /* no infinite loop */
  TEST("A", "A", "A", "A");
  TEST("AA", "A", "A", "AA");
  alarm(0);

Signed-off-by: Philipp Hahn <hahn@univention.de>
(cherry picked from commit 22ec60001e)

Conflicts:
	tests/networkxml2argvdata/nat-network-dns-srv-record-minimal.argv
	tests/networkxml2argvdata/nat-network-dns-srv-record.argv
2012-08-12 19:51:53 -04:00
Eric Blake
64b8925c37 daemon: Fix crash in virTypedParameterArrayClear
Daemon uses the following pattern when dispatching APIs with typed
parameters:

    VIR_ALLOC_N(params, nparams);
    virDomain*(dom, params, &nparams, flags);
    virTypedParameterArrayClear(params, nparams);

In case nparams was originally set to 0, virDomain* API would fill it
with the number of typed parameters it can provide and we would use this
number (rather than zero) to clear params. Because VIR_ALLOC* returns
non-NULL pointer even if size is 0, the code would end up walking
through random memory. If we were lucky enough and the memory contained
7 (VIR_TYPED_PARAM_STRING) at the right place, we would try to free a
random pointer and crash.

Let's make sure params stays NULL when nparams is 0.
(cherry picked from commit 6039a2cb49)

Conflicts:

	daemon/remote.c - context differences, and fewer call sites
2012-08-01 16:27:11 -06:00
Eric Blake
fcc2893679 build: update to latest gnulib, for secure tarball
Pick up some build fixes in the latest gnulib.  In particular,
we want to ensure that official tarballs are secure, but don't
want to penalize people who don't run 'make dist', since fixed
automake still hasn't hit common platforms like Fedora 17.

* .gnulib: Update to latest, for Automake CVE-2012-3386 detection.
* bootstrap: Resync from gnulib.
* bootstrap.conf (gnulib_extra_files): Drop missing, since gnulib
has dropped it in favor of Automake's version.
* cfg.mk (local-checks-to-skip): Conditionally skip the security
check in cases where it doesn't matter.
(cherry picked from commit f12e139621)

Conflicts:
	.gnulib - skip all intermediate commits touching this file
	bootstrap - likewise
2012-07-27 10:51:50 -06:00
Eric Blake
b598d0864d build: update to latest gnulib
Gnulib finally relaxed the isatty license, needed as first mentioned here:
https://www.redhat.com/archives/libvir-list/2012-February/msg01022.html

Other improvements include better syntax-check rules (we can delete one
of ours now that it is a duplicate) and better compiler warning usage.

* .gnulib: Update to latest, for isatty.
* cfg.mk (sc_prohibit_strncpy): Drop a now-redundant rule.
* bootstrap.conf (gnulib_modules): Add isatty.
* bootstrap: Resync from gnulib.
(cherry picked from commit e925ea3156)

Conflicts:
	.gnulib - skip all intermediate commits touching this file
	bootstrap - likewise
2012-07-27 10:51:40 -06:00
Eric Blake
2bdc05d1a4 build: update to latest gnulib
Pick up recent gnulib improvements.

* .gnulib: Update to latest.
* bootstrap: Resync.
* bootstrap.conf (gnulib_tool_option_extras): Adjust to bootstrap
changes.
* gnulib/lib/Makefile.am: Likewise.
(cherry picked from commit 29db7a0072)

Conflicts:
	.gnulib - skip all intermediate commits touching this file
	bootstrap.conf - likewise (especially skip commit f7bd00c)
2012-07-27 10:49:47 -06:00
Cole Robinson
da8ab75e90 Stable release 0.9.6.1 2012-06-15 14:59:51 -04:00
Daniel P. Berrange
a822202d6c Pull in GNULIB regex module for benefit of test suite on Win32
(cherry picked from commit f94d9c5793)
2012-06-15 10:58:27 -04:00
Daniel P. Berrange
c12c765f83 Fix typos in API XML file paths
* libvirt.pc.in: Add missing '/api/' in path
* libvirt.spec.in, mingw32-libvirt.spec.in: s/apis/api/
(cherry picked from commit 5452e88c32)
2012-06-15 10:58:27 -04:00
Wen Congyang
aa041fcef0 qemu: avoid closing fd more than once
If we migrate to fd, spec->fwdType is not MIGRATION_FWD_DIRECT,
we will close spec->dest.fd.local in qemuMigrationRun(). So we
should set spec->dest.fd.local to -1 in qemuMigrationRun().

Bug present since 0.9.5 (commit 326176179).
(cherry picked from commit b19c236d69)
2012-06-15 10:58:27 -04:00
Wen Congyang
0e4efa3d53 command: check for fork error before closing fd
We should not set *outfd or *errfd if virExecWithHook() failed
because the caller may close these fds.

Bug present since v0.4.5 (commit 60ed1d2a).
(cherry picked from commit 746ff701e8)
2012-06-15 10:58:27 -04:00
Eric Blake
26ceca4b02 fdstream: avoid double close bug
Wen Congyang reported that we have a double-close bug if we fail
virFDStreamOpenInternal, since childfd duplicated one of the fds[]
array contents.  In truth, since we always transfer both members
of fds to other variables, we should close the fds through those
other names, and just use fds[] for pipe().

Bug present since 0.9.0 (commit e886237a).

* src/fdstream.c (virFDStreamOpenFileInternal): Swap scope of
childfd and fds[], to avoid a double close.
(cherry picked from commit f3cfc7c884)
2012-06-15 10:58:27 -04:00
Eric Blake
1a6bad7108 command: avoid double close bugs
KAMEZAWA Hiroyuki reported a nasty double-free bug when virCommand
is used to convert a string into input to a child command.  The
problem is that the poll() loop of virCommandProcessIO would close()
the write end of the pipe in order to let the child see EOF, then
the caller virCommandRun() would also close the same fd number, with
the second close possibly nuking an fd opened by some other thread
in the meantime.  This in turn can have all sorts of bad effects.

The bug has been present since the introduction of virCommand in
commit f16ad06f.

This is based on his first attempt at a patch, at
https://bugzilla.redhat.com/show_bug.cgi?id=823716

* src/util/command.c (_virCommand): Drop inpipe member.
(virCommandProcessIO): Add argument, to avoid closing caller's fd
without informing caller.
(virCommandRun, virCommandNewArgs): Adjust clients.
(cherry picked from commit da831afcf2)

Conflicts:

	src/util/command.c
2012-06-15 10:58:25 -04:00
Wen Congyang
fcf32fc978 avoid fd leak
virCommandRunAsync() will set errfd if it succeed. We should
close it if virFDStreamOpenInternal() fails.
(cherry picked from commit 655cffa0f2)
2012-06-15 10:58:24 -04:00
Wen Congyang
0bff012ddc avoid closing uninitialized fd
If the system does not support bypass cache, we will close fd,
but it is uninitialized.
(cherry picked from commit 0a045f01cf)
2012-06-15 10:58:24 -04:00
Daniel P. Berrange
d6f20a2dfa Set a sensible default master start port for ehci companion controllers
The uhci1, uhci2, uhci3 companion controllers for ehci1 must
have a master start port set. Since this value is predictable
we should set it automatically if the app does not supply it
(cherry picked from commit 03b804a200)
2012-06-15 10:58:24 -04:00
Daniel P. Berrange
dac6e9a210 Fix logic for assigning PCI addresses to USB2 companion controllers
Currently each USB2 companion controller gets put on a separate
PCI slot. Not only is this wasteful of PCI slots, but it is not
in compliance with the spec for USB2 controllers. The master
echi1 and all companion controllers should be in the same slot,
with echi1 in function 7, and uhci1-3 in functions 0-2 respectively.

* src/qemu/qemu_command.c: Special case handling of USB2 controllers
  to apply correct pci slot assignment
* tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.args,
  tests/qemuxml2argvdata/qemuxml2argv-usb-ich9-ehci-addr.xml: Expand
  test to cover automatic slot assignment
(cherry picked from commit 1ebd52cb87)

Conflicts:

	tests/qemuxml2xmltest.c
2012-06-15 10:58:24 -04:00
Daniel P. Berrange
b4e9a21c3b Fix virDomainDeviceInfoIsSet() to check all struct fields
The virDomainDeviceInfoIsSet API was only checking if an
address or alias was set in the struct. Thus if only a
rom bar setting / filename, boot index, or USB master
value was set, they could be accidentally dropped when
formatting XML
(cherry picked from commit 2c195fdbf3)

Conflicts:

	src/conf/domain_conf.c

(crobinso: some elements aren't in maint branch, drop them)
2012-06-15 10:58:24 -04:00
Serge E. Hallyn
8bd5c79224 lxc: use hand-rolled code in place of unlockpt and grantpt
The glibc ones (intentionally) cannot handle ptys opened in a
devpts not mounted at /dev/pts.

Drop the (un-exported, unused) virFileOpenTtyAt.

Signed-off-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit 80710c69fe)

Conflicts:

	src/lxc/lxc_controller.c
2012-06-15 10:58:24 -04:00
Stefan Bader
b0200c81ec xen: do not use ioemu type for any emulated NIC
When using the xm/xend stack to manage instances there is a bug
that causes the emulated interfaces to be unusable when the vif
config contains type=ioemu.

The current code already has a special quirk to not use this
keyword if no specific model is given for the emulated NIC
(defaulting to rtl8139).
Essentially it works because regardless of the type argument,i
the Xen stack always creates emulated and paravirt interfaces and
lets the guest decide which one to use. So neither xl nor xm stack
actually require the type keyword for emulated NICs.

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
(cherry picked from commit 10c31135f3)
2012-06-15 10:58:24 -04:00
Stefan Bader
8213166b92 xend_internal: Use domain/status for shutdown check
On newer xend (v3.x and after) there is no state and domid reported
for inactive domains. When initially creating connections this is
handled in various places by assigning domain->id = -1.
But once an instance has been running, the id is set to the current
domain id. And it does not change when the instance is shut down.
So when querying the domain info, the hypervisor driver, which gets
asked first will indicate it cannot find information, then the
xend driver is asked and will set the status to NOSTATE because it
checks for the -1 domain id.
Checking domain/status for 0 seems to be more reliable for that.

One note: I am not sure whether the domain->id also should get set
back to -1 whenever any sub-driver thinks the instance is no longer
running.

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=746007
BugLink: http://bugs.launchpad.net/bugs/929626

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
(cherry picked from commit 26e9ef4762)

(crobinso: Add Stefan to AUTHORS. maint only)
2012-06-15 10:58:05 -04:00
Philipp Hahn
3f769afc45 xen-xm: SIGSEGV in xenXMDomainDefineXML: filename
filename is not initialized to NULL while it's unconditionally freed in
the error path.

Signed-off-by: Philipp Hahn <hahn@univention.de>
(cherry picked from commit 360afebfb3)
2012-06-15 10:56:57 -04:00
Philipp Hahn
766be49f17 xen_xm: Fix SIGSEGV in xenXMDomainDefineXML
On CentOS5 with xen-3.0.3:

 Program received signal SIGSEGV, Segmentation fault.
 virFree (ptrptr=0x8) at util/memory.c:310
 310         free(*(void**)ptrptr);
 (gdb) bt
 #0  virFree (ptrptr=0x8) at util/memory.c:310
 #1  0x00002aaaaae167c8 in xenXMDomainDefineXML (conn=0x694e80, xml=0x6b2ce0 "P\fk") at xen/xm_internal.c:1199
 #2  0x00002aaaaae070d7 in xenUnifiedDomainDefineXML (conn=0x8,
     xml=0x6ac040 "<domain type='xen'>\n  <name>pv</name>\n  <uuid>20291bc0-453a-4d6c-c6ac-4e5af63b932c</uuid>\n  <memory>1048576</memory>\n  <currentMemory>1048576</currentMemory>\n  <vcpu>1</vcpu>\n  <os>\n    <type arch='x8"...) at xen/xen_driver.c:1524
 #3  0x00002aaaaada7803 in virDomainDefineXML (conn=0x694e80,
     xml=0x6ac040 "<domain type='xen'>\n  <name>pv</name>\n  <uuid>20291bc0-453a-4d6c-c6ac-4e5af63b932c</uuid>\n  <memory>1048576</memory>\n  <currentMemory>1048576</currentMemory>\n  <vcpu>1</vcpu>\n  <os>\n    <type arch='x8"...) at libvirt.c:7823
 #4  0x0000000000426173 in cmdEdit (ctl=0x7fffffffb8e0, cmd=<value optimized out>) at virsh.c:14882
 #5  0x000000000041c9ce in vshCommandRun (ctl=0x7fffffffb8e0, cmd=0x658c50) at virsh.c:17712
 #6  0x000000000042c3b9 in main (argc=1, argv=<value optimized out>) at virsh.c:19317

Signed-off-by: Philipp Hahn <hahn@univention.de>
(cherry picked from commit 046b0a6972)
2012-06-15 10:56:57 -04:00
Cole Robinson
3d8f56d129 xen: Don't add <console> to xml for dom0
It just doesn't really make sense and confuses virt-manager
(cherry picked from commit efb0839c1d)

Conflicts:

	src/xenxs/xen_sxpr.c
2012-06-15 10:56:57 -04:00
Guido Günther
f20331c810 xen_xs: Guard against set but empty kernel argument
On xen 4.1 I observed configurations that look like:

(image
    (hvm
        (kernel '')
        (loader '/foo/bar')
))

The kernel element is there but unset. This leads to an empty <kernel/>
element in the XML and even worse makes us skip the boot order parsing
and therefore not emit a <boot device='$dev>'/> element which breaks CD
booting.
(cherry picked from commit dca1a6b46f)
2012-06-15 10:56:57 -04:00
Guido Günther
0f1bc306d3 xen: add error handling to UUID parsing
otherwise a missing UUID in a domain config just shows:

error: An error occurred, but the cause is unknown

Now we have:

error: configuration file syntax error: config value uuid was missing
(cherry picked from commit c5d2984c42)
2012-06-15 10:56:57 -04:00
Guido Günther
4f5f16eea9 xenParseXM: don't dereference NULL pointer when script is empty
(cherry picked from commit 6dd8532d96)
2012-06-15 10:56:57 -04:00
Radu Caragea
24c17ed1ec Fix sync issue in virNetClientStreamEventRemoveCallback
The stream lock is unlocked twice instead of being locked and then
unlocked. Probably a typo.
(cherry picked from commit 107f51b69c)

Conflicts:

	AUTHORS
2012-06-15 10:56:52 -04:00
Peter Krempa
abf4ab4827 fdstream: Add internal callback on stream close
This patch adds another callback to a FDstream object. The original
callback is used by the daemon stream driver to handle events.

This callback is called if and only if the stream is about to be closed.
This might be used to handle cleanup steps after a fdstream exits. This
will be used later on in ensuring mutually exclusive access to consoles.

* src/fdstream.c:
        - emit the callback, when stream is being closed
        - add data structures needed to handle the callback
        - add function to register callback
* src/fdstream.h:
        - define function prototypes for the callback
(cherry picked from commit 0c4bfdda42)
2012-06-14 17:35:47 -04:00
Peter Krempa
25eeffcb17 fdstream: Emit stream abort callback even if poll() doesnt.
This patch causes the fdstream driver to call the stream event callback
if virStreamAbort() is called on a stream using this driver.

A remote handler for a stream can only detect changes via stream events,
so this event callback is necessary in order to enable a daemon to abort
a stream in such a way that the client will see the change.

* src/fdstream.c:
        - modify close function to call stream event callback
(cherry picked from commit 95fdc1bc2b)
2012-06-14 17:35:36 -04:00
Daniel P. Berrange
96c3c2752e Don't return a fatal error if receiving unexpected stream data
Due to the asynchronous nature of streams, we might continue to
receive some stream packets from the server even after we have
shutdown the stream on the client side. These should be discarded
silently, rather than raising an error in the RPC layer.

* src/rpc/virnetclient.c: Discard stream data silently
(cherry picked from commit a38710bd65)
2012-06-14 17:32:48 -04:00
Daniel P. Berrange
43b7292293 Fix handling of stream EOF
Very occasionally the sequence of events from poll would result
in getting a HANGUP on its own, instead of a HANGUP+READABLE
at the same time. In the former case we would send back an error
event to the client, but never send the empty packet to indicate
EOF.
(cherry picked from commit 1d46b2e900)
2012-06-14 17:32:37 -04:00
Daniel P. Berrange
abb78d4ec2 If receiving a stream error, mark EOF on the stream
If we receive an error on the stream, set the EOF marker so
that any further (bogus) incoming data is dropped.

* src/rpc/virnetclientstream.c: Set EOF on stream
(cherry picked from commit bc61aa1211)
2012-06-14 17:31:26 -04:00
Marc-André Lureau
49bc39be66 Set to NULL members that have been freed to prevent crashes
Do not crash if virStreamFinish is called after error.

==11000== Invalid read of size 4
==11000==    at 0x373A8099A0: pthread_mutex_lock (pthread_mutex_lock.c:51)
==11000==    by 0x4C7CADE: virMutexLock (threads-pthread.c:85)
==11000==    by 0x4D57C31: virNetClientStreamRaiseError (virnetclientstream.c:203)
==11000==    by 0x4D385E4: remoteStreamFinish (remote_driver.c:3541)
==11000==    by 0x4D182F9: virStreamFinish (libvirt.c:14157)
==11000==    by 0x40FDC4: cmdScreenshot (virsh.c:3075)
==11000==    by 0x42BA40: vshCommandRun (virsh.c:14922)
==11000==    by 0x42ECCA: main (virsh.c:16381)
==11000==  Address 0x59b86c0 is 16 bytes inside a block of size 216 free'd
==11000==    at 0x4A06928: free (vg_replace_malloc.c:427)
==11000==    by 0x4C69E2B: virFree (memory.c:310)
==11000==    by 0x4D57B56: virNetClientStreamFree (virnetclientstream.c:184)
==11000==    by 0x4D3DB7A: remoteDomainScreenshot (remote_client_bodies.h:1812)
==11000==    by 0x4CFD245: virDomainScreenshot (libvirt.c:2903)
==11000==    by 0x40FB73: cmdScreenshot (virsh.c:3029)
==11000==    by 0x42BA40: vshCommandRun (virsh.c:14922)
==11000==    by 0x42ECCA: main (virsh.c:16381)
(cherry picked from commit be5ec76630)
2012-06-14 17:31:16 -04:00
Daniel P. Berrange
208d5836c8 Fix synchronous reading of stream data
commit 984840a2c2 removed the
notification of waiting calls when VIR_NET_CONTINUE messages
arrive. This was to fix the case of a virStreamAbort() call
being prematurely notified of completion.

The problem is that sometimes there are dummy calls from a
virStreamRecv() call waiting that *do* need to be notified.

These dummy calls should have a status VIR_NET_CONTINUE. So
re-add the notification upon VIR_NET_CONTINUE, but only if
the waiter also has a status of VIR_NET_CONTINUE.

* src/rpc/virnetclient.c: Notify waiting call if stream data
  arrives
* src/rpc/virnetclientstream.c:  Mark dummy stream read packet
  with status VIR_NET_CONTINUE
(cherry picked from commit cb61009236)
2012-06-14 17:31:01 -04:00
Eric Blake
5b5b1150cf build: fix stamp file name
Ever since commit c964b6a, make was trying to find the timestamp
of '""./apibuild.py".stamp"', but only touching 'apibuild.py.stamp',
and thus always rebuilding.  Reported by Daniel P. Berrange.

* docs/Makefile.am (APIBUILD, APIBUILD_STAMP): Omit bogus quotes.
(cherry picked from commit c0057d9a49)
2012-05-17 10:48:04 -06:00
Daniel P. Berrange
3cbb1385e9 Install API XML desc to a standard location
Language bindings may well want to use the libvirt-api.xml and
libvirt-qemu-api.xml files to either auto-generate themselves,
or sanity check the manually written bindings for completeness.
Currently these XML files are not installed as standard, merely
ending up as a %doc file in the RPM.

This changes them to be installed into $prefix/share/libvirt/apis/
The *-refs.xml files are not installed, since those are only
useful during generation of the online API doc files.

The pkg-config file is enhanced so that you can query the install
location of the API files. eg

  # pkg-config --variable=libvirt_qemu_api libvirt
  /home/berrange/builder/i686-pc-mingw32/sys-root/mingw/share/libvirt/libvirt-qemu-api.xml

* docs/Makefile.am: Install libvirt-api.xml & libvirt-qemu-api.xml
* libvirt.pc.in: Add vars for querying API install location
* libvirt.spec.in, mingw32-libvirt.spec.in: Include API XML files
(cherry picked from commit c95c90ee4a)
2012-05-17 10:48:04 -06:00
Eric Blake
757316875c tests: work around pdwtags 1.9 failure
On rawhide, gcc is new enough to output new DWARF information that
pdwtags has not yet learned, but the resulting 'make check' output
was rather confusing:

$ make -C src check
...
  GEN    virkeepaliveprotocol-structs
die__process_function: DW_TAG_INVALID (0x4109) @ <0x58c> not handled!
WARNING: your pdwtags program is too old
WARNING: skipping the virkeepaliveprotocol-structs test
WARNING: install dwarves-1.3 or newer
...
$ pdwtags --version
v1.9

I've filed the pdwtags deficiency as
https://bugzilla.redhat.com/show_bug.cgi?id=772358

* src/Makefile.am (PDWTAGS): Don't leave -t file behind on version
mismatch.  Soften warning message, since 1.9 is newer than 1.3.
Don't leak stderr from broken version.
(cherry picked from commit cf6d36257b)
2012-05-17 10:48:04 -06:00
Eric Blake
a261feba42 xenapi: remove unused variable
CC     libvirt_driver_xenapi_la-xenapi_driver.lo
xenapi/xenapi_driver.c: In function 'xenapiDomainGetVcpus':
xenapi/xenapi_driver.c:1209:21: error: variable 'cpus' set but not used [-Werror=unused-but-set-variable]

* src/xenapi/xenapi_driver.c (xenapiDomainGetVcpus): Silence
compiler warning.
(cherry picked from commit 787b0a2238)
2012-05-17 10:48:04 -06:00
Eric Blake
cd921a5572 build: fix 'make distcheck'
I got these distcheck failures with sanlock enabled:

ERROR: files left in build directory after distclean:
./tools/virt-sanlock-cleanup
./src/locking/qemu-sanlock.conf

* src/Makefile.am (DISTCLEANFILES) [HAVE_SANLOCK]: Clean built
file.
* tools/Makefile.am (DISTCLEANFILES): Likewise.
(cherry picked from commit c654ba8893)
plus tweak to DISTCLEANFILES from commit ddf3bd32ce, although that
full commit is too invasive to backport
2012-05-17 10:48:04 -06:00
Eric Blake
505c99f62e build: fix 'make distcheck' with pdwtags installed
I am getting this failure with 'make distcheck':

  GEN    ../../src/remote_protocol-structs
/bin/sh: ../../src/remote_protocol-structs-t: Permission denied
make[4]: *** [../../src/remote_protocol-structs] Error 1

since it attempts a sub-run of a VPATH 'make check' where $(srcdir)
is intentionally read-only.  I'm not sure which commit introduced
the problem, although I suspect it was around 62dee6f when I
refactored protocol struct checking to be more powerful.

$(@F) is required by POSIX, and although it is not yet portable
to all make implementations, we already require GNU make.

* src/Makefile.am (PDWTAGS): Generate temp file into current
directory, since $(srcdir) is read-only during distcheck.
(cherry picked from commit 2d45ae5a01)
2012-05-17 10:48:04 -06:00
Cole Robinson
77874a2791 python: Fix doc directory name for stable releases
We were using the libvirt release version (like 0.9.11) and not
the configure version (which for stable releases is 0.9.11.X)

Most other places got this right so hopefully that's all the fallout
from the version format change :)

Signed-off-by: Cole Robinson <crobinso@redhat.com>
(cherry picked from commit 002b18b3fb)
2012-05-17 10:44:10 -06:00
Cole Robinson
7de869fc03 docs: Serialize running apibuild.py
Use a witness file approach like we do for python/generator.py,
as suggested by Eric. Fixes the build issue reported here:

https://www.redhat.com/archives/libvir-list/2012-April/msg01435.html

Signed-off-by: Cole Robinson <crobinso@redhat.com>
(cherry picked from commit c964b6aac1)

Conflicts:

	.gitignore - context with other commits not backported
2012-05-17 10:44:10 -06:00
Cole Robinson
4e9e178e3c configure: Use ustar format for dist tarball
Since for stable releases, some test files were over the 99 char
limit for traditional tar filenames.

Suggested by Osier here:
https://www.redhat.com/archives/libvir-list/2012-April/msg01435.html

Signed-off-by: Cole Robinson <crobinso@redhat.com>
(cherry picked from commit ddd6bef4dc)
2012-05-17 10:44:10 -06:00
Daniel P. Berrange
abb78a216c Fix parallel build in docs/ directory
Every now & then, with parallel builds, we get a failure to
validate hvsupport.html.in.  I eventually noticed that this
is because we get 2 instances of the generator running at
once.

We already list hvsupport.html.in in BUILT_SOURCES but this
was not working. It turns out the flaw is that we were
adding deps to the 'all:' target instead of the 'all-am:'
target. BUILT_SOURCES is a dep of 'all', so any custom
targets written in Makefile.am must use 'all-am:' so that
they don't get run until BUILT_SOURCES are completely
generated

* docs/Makefile.am: s/all/all-am/
(cherry picked from commit 4f4b496e78)
(cherry picked from commit 26fdec39b4)
2012-05-17 10:44:10 -06:00
Eric Blake
643ac7203a tests: avoid test failure on rawhide gnutls
I hit a VERY weird testsuite failure on rawhide, which included
_binary_ output to stderr, followed by a hang waiting for me
to type something! (Here, using ^@ for NUL):

$ ./commandtest
TEST: commandtest
      WARNING: gnome-keyring:: couldn't send data: Bad file descriptor
.WARNING: gnome-keyring:: couldn't send data: Bad file descriptor
.WARNING: gnome-keyring:: couldn't send data: Bad file descriptor
WARNING: gnome-keyring:: couldn't send data: Bad file descriptor
.8^@^@^@8^@^@^@^A^@^@^@^Bay^A^@^@^@)PRIVATE-GNOME-KEYRING-PKCS11-PROTOCOL-V-1

I finally traced it to the fact that gnome-keyring, called via
gnutls_global_init which is turn called by virNetTLSInit, opens
an internal fd that it expects to communicate to via a
pthread_atfork handler (never mind that it violates POSIX by
using non-async-signal-safe functions in that handler:
https://bugzilla.redhat.com/show_bug.cgi?id=772320).

Our problem stems from the fact that we pulled the rug out from
under the library's expectations by closing an fd that it had
just opened.  While we aren't responsible for fixing the bugs
in that pthread_atfork handler, we can at least avoid the bugs
by not closing the fd in the first place.

* tests/commandtest.c (mymain): Avoid closing fds that were opened
by virInitialize.
(cherry picked from commit 74ff57506c)
2012-05-17 08:45:26 -06:00
Cole Robinson
e11aa0262b storage: Fix any VolLookupByPath if we have an empty logical pool
On F16 at least, empty volume groups don't have a directory under /dev.
The directory only appears once a logical volume is created.

This tickles some behavior in BackendStablePath which ends with
libvirt sleeping for 5 seconds while waiting for the directory to appear.
This causes all sorts of problems for the virStorageVolLookupByPath API
which virtinst uses, even if trying to resolve a path that is independent
of the logical pool.

In reality we don't even need to do that checking since logical pools
always have a stable target path. Short circuit the polling in that
case.

Fixes bug 782261
(cherry picked from commit 275155f664)
2012-05-17 08:43:31 -06:00
Peter Krempa
4744461619 daemon: Remove deprecated HAL from init script dependencies
The init script for the daemon requests to start HAL although it has
been deprecated long time ago. This patch removes the dependency.
(cherry picked from commit 2dcca3ec0a)
2012-05-17 08:42:59 -06:00
Michal Privoznik
e95df90dbb virCommand: Properly handle POLLHUP
It is a good practise to set revents to zero before doing any poll().
Moreover, we should check if event we waited for really occurred or
if any of fds we were polling on didn't encountered hangup.
(cherry picked from commit 06b9c5b923)
2012-05-17 08:40:52 -06:00
Michal Privoznik
56fb0c0695 qemu: Check for domain being active on successful job acquire
As this is needed. Although some functions check for domain
being active before obtaining job, we need to check it after,
because obtaining job unlocks domain object, during which
a state of domain can be changed.
(cherry picked from commit 9bc9999b6e)
2012-05-17 08:25:51 -06:00
Daniel P. Berrange
5ede14ef8e Avoid crash in shunloadtest
For unknown reasons, the shunloadtest will crash on Fedora 16
inside dlopen()

 (gdb) bt
 #0  0x00000000000050e6 in ?? ()
 #1  0x00007ff61a77b9d5 in floor () from /lib64/libm.so.6
 #2  0x00007ff61e522963 in _dl_relocate_object () from /lib64/ld-linux-x86-64.so.2
 #3  0x00007ff61e5297e6 in dl_open_worker () from /lib64/ld-linux-x86-64.so.2
 #4  0x00007ff61e525006 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
 #5  0x00007ff61e52917a in _dl_open () from /lib64/ld-linux-x86-64.so.2
 #6  0x00007ff61e0f6f26 in dlopen_doit () from /lib64/libdl.so.2
 #7  0x00007ff61e525006 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
 #8  0x00007ff61e0f752f in _dlerror_run () from /lib64/libdl.so.2
 #9  0x00007ff61e0f6fc1 in dlopen@@GLIBC_2.2.5 () from /lib64/libdl.so.2
 #10 0x0000000000400a15 in main (argc=<optimized out>, argv=<optimized out>) at shunloadtest.c:105

Changing from RTLD_NOW to RTLD_LAZY avoids this problem,
but quite possibly does not fix the root cause.

* shunloadtest.c: s/NOW/LAZY/
(cherry picked from commit 24d9792821)
2012-05-17 08:22:59 -06:00
Eric Blake
f0ba1c096a spec: make it easier to autoreconf when building rpm
Over time, Fedora and RHEL RPMs have often backported upstream
patches that touched configure.ac and/or Makefile.am; this
necessitates rerunning the autotools for the patch to be effective.
Making this a one-liner spec tweak will make it easier for future
backports to pull patches without having to find all the places
to touch to properly use the autotools.  Meanwhile, there have been
historical instances where an update in the autotools caused FTBFS
situations, so this is not on by default.

* libvirt.spec.in (enable_autotools): New variable, default off.
(BuildRequires): Conditionally add autotools.
(%build): Conditionally use them before configure.
* mingw32-libvirt.spec.in: Likewise.
(cherry picked from commit 9c417636c4)

Conflicts:

	mingw32-libvirt.spec.in - caused by change in context
2012-05-17 08:22:06 -06:00
Laine Stump
42419b2891 test: replace deprecated "fedora-13" machine with "pc-0.13"
One of the xml tests in the test suite was created using a
now-deprecated qemu machine type ("fedora-13", which was only ever
valid for Fedora builds of qemu). Although strictly speaking it's not
necessary to replace it with an actual supported qemu machine type
(since the xml in question is never actually sent to qemu), this patch
changes it to the actually-supported "pc-0.13" just for general
tidiness. (Also, on some Fedora builds which contain a special patch
to rid the world of "fedora-13", having it mentioned in the test suite
will cause make check to fail.)
(cherry picked from commit 7204a9fd31)
2012-05-16 17:17:12 -06:00
Laine Stump
762801607a network: don't add iptables rules for externally managed networks
This patch addresses https://bugzilla.redhat.com/show_bug.cgi?id=760442

When a network has any forward type other than route, nat or none, the
network configuration should be done completely external to libvirt -
libvirt only uses these types to allow configuring guests in a manner
that isn't tied to a specific host (all the host-specific information,
in particular interface names, port profile data, and bandwidth
configuration is in the network definition, and the guest
configuration only references it).

Due to a bug in the bridge network driver, libvirt was adding iptables
rules for networks with forward type='bridge' etc. any time libvirtd
was restarted while one of these networks was active.

This patch eliminates that error by only "reloading" iptables rules if
forward type is route, nat, or none.
(cherry picked from commit ae1232b298)
2012-05-16 17:13:08 -06:00
Eric Blake
d20a6240b3 spec: fix logic bug in deciding to turn on cgconfig
https://bugzilla.redhat.com/show_bug.cgi?id=738725

Commit ecd8725 tried to silence a spurious warning on the initial
libvirt install, and commit ba6cbb1 tried to fix up the logic to the
correct Fedora version, but the warning was still present due to a
logic bug: since %{fedora} and %{rhel} are never simulatanously
set, then 0%{rhel} <= 6 made the %if always true.  Checking for
minimum versions (via >=) is okay, but checking for maximum versions
(via <=) requires a prerequisite test that the platform being tested
is non-zero.

Also fix a bogus setting of with_libxl (although we previously
hard-code with_libxl to 0 for rhel earlier in the file, so this
was not as severe a bug).

* libvirt.spec.in (with_cgconfig): Don't enable cgconfig on F16.
(cherry picked from commit 3b95f284f1)
2012-05-16 17:12:54 -06:00
Eric Blake
bf887b8bb5 spec: don't use chkconfig --list
https://bugzilla.redhat.com/show_bug.cgi?id=694403 reports that
the specfile is incorrectly checking for a running libvirt-guests
service.  For example,

$ LC_ALL=es_ES chkconfig --list libvirt-guests
libvirt-guests 	  0:desactivado		 1:desactivado	   2:desactivado     3:activo	 4:activo  5:activo	    6:desactivado

will fail to find 5:on, even though it is active.  But chkconfig
already has a mode where you can silently use the exit status to
check for an active service.

* libvirt.spec.in (%post): Use simpler chkconfig options, to avoid
issues with localization.
(cherry picked from commit fea83dde7b)
2012-05-16 17:12:37 -06:00
Eric Blake
bf09c64ada spec: add dmidecode as prereq
https://bugzilla.redhat.com/show_bug.cgi?id=754909 complains that
because libvirt didn't require dmidecode, that the logs are noisy
and virConnectGetSysinfo needlessly fails.  Even 'virt-what' requires
dmidecode, so it's not that onerous of a dependency.  We may be
able to drop this in the future when we move to parsing sysfs data,
but for now, listing the dependency will help matters.

* libvirt.spec.in (Requires): Sort Requires before BuildRequires.
Add dmidecode.
(cherry picked from commit e7dfa468f9)
extra requires for with_systemd removed, since the patch that adds
that hasn't been backported
2012-05-16 17:11:43 -06:00
Daniel P. Berrange
dc738b8395 Fix incorrect symbols for virtime.h module breaking Mingw32
The Mingw32 linker highlighted that the symbols for virtime.h
declared in libvirt_private.syms were incorrect

* src/libvirt_private.syms: Fix virtime.h symbols
(cherry picked from commit b265beda55)
2012-05-16 17:07:31 -06:00
Eric Blake
f2b5c5ff22 spec: mark directories in /var/run as ghosts
We have several directories that are created on the fly, and which
only contain state relevant to a running libvirtd process (all
located in /var/run).  Since the directories are created as needed,
and make no sense without a running libvirtd, we want them deleted
if libvirt is uninstalled.  And in F15 and newer, /var/run is on
tmpfs (forcing us to recreate on the fly); which means that someone
trying to verify a complete rpm will fail if the directory does not
currently exist because libvirtd has not been started since boot.
The solution, then, is to mark the directories as %ghost, so that
rpm knows that we own them and will clean it up if libvirt is
uninstalled, but will no longer create the directory for us at
install, nor complain at verify time if the directory does not exist.

See https://bugzilla.redhat.com/show_bug.cgi?id=656611.

* libvirt.spec.in (%files): Add %ghost to temporary directories
that we don't install, but want cleaned up on libvirt removal.
(cherry picked from commit 764574f7c7)
2012-05-16 17:07:04 -06:00
Daniel P. Berrange
c6ead37ba1 Remove time APIs from src/util/util.h
The virTimestamp and virTimeMs functions in src/util/util.h
duplicate functionality from virtime.h, in a non-async signal
safe manner. Remove them, and convert all code over to the new
APIs.

* src/util/util.c, src/util/util.h: Delete virTimeMs and virTimestamp
* src/lxc/lxc_driver.c, src/qemu/qemu_domain.c,
  src/qemu/qemu_driver.c, src/qemu/qemu_migration.c,
  src/qemu/qemu_process.c, src/util/event_poll.c: Convert to use
  virtime APIs
(cherry picked from commit a8bb75a3e6)

Conflicts:

	src/lxc/lxc_driver.c
	src/qemu/qemu_domain.c
	src/qemu/qemu_driver.c
	 * the patches contained context with extra include files not
	   yet introduced on the branch.
	src/util/event_poll.c
	 * the branch had context with a call to EVENT_DEBUG that
	   was no longer existing in the original patch.
2012-05-16 17:06:04 -06:00
Daniel P. Berrange
472e49f558 Make logging async signal safe wrt time stamp generation
Use the new virTimeStringNowRaw() API for generating log timestamps
in an async signal safe manner

* src/util/logging.c: Use virTimeStringNowRaw
(cherry picked from commit 32d3ec7466)

Conflicts:

	src/util/logging.c
2012-05-16 16:57:36 -06:00
Daniel P. Berrange
2ce01ba20f Add internal APIs for dealing with time
The logging APIs need to be able to generate formatted timestamps
using only async signal safe functions. This rules out using
gmtime/localtime/malloc/gettimeday(!) and much more.

Introduce a new internal API which is async signal safe.

  virTimeMillisNowRaw replacement for gettimeofday. Uses clock_gettime
                      where available, otherwise falls back to the unsafe
                      gettimeofday

  virTimeFieldsNowRaw  replacements for gmtime(), convert a timestamp
  virTimeFieldsThenRaw into a broken out set of fields. No localtime()
                       replacement is provided, because converting to
                       local time is not practical with only async signal
                       safe APIs.

  virTimeStringNowRaw  replacements for strftime() which print a timestamp
  virTimeStringThenRaw into a string, using a pre-determined format, with
                       a fixed size buffer (VIR_TIME_STRING_BUFLEN)

For each of these there is also a version without the Raw postfix
which raises a full libvirt error. These versions are not async
signal safe

* src/Makefile.am, src/util/virtime.c, src/util/virtime.h: New files
* src/libvirt_private.syms: New APis
* configure.ac: Check for clock_gettime in -lrt
* tests/virtimetest.c, tests/Makefile.am: Test new APIs
(cherry picked from commit 3ec1289896)

Conflicts:

	src/Makefile.am
2012-05-16 16:45:51 -06:00
Jiri Denemark
bf540af8b3 logging: Add date to log timestamp
(cherry picked from commit 11c6e094e4)
2012-05-16 16:24:17 -06:00
Jiri Denemark
fc9a66cfb1 logging: Do not log timestamp through syslog
Syslog puts the timestamp to every message anyway so this removes
redundant data.
(cherry picked from commit 2a449549c1)
2012-05-16 16:11:32 -06:00
Laine Stump
776124e6f0 qemu: make PCI multifunction support more manual
When support for was added for PCI multifunction cards (in commit
9f8baf, first included in libvirt 0.9.3), it was done by always
turning on the multifunction bit for all PCI devices. Since that time
it has been realized that this is not an ideal solution, and that the
multifunction bit must be selectively turned on. For example, see

  https://bugzilla.redhat.com/show_bug.cgi?id=728174

and the discussion before and after

  https://www.redhat.com/archives/libvir-list/2011-September/msg01036.html

This patch modifies multifunction support so that the multifunction=on
option is only added to the qemu commandline for a device if its PCI
<address> definition has the attribute "multifunction='on'", e.g.:

  <address type='pci' domain='0x0000' bus='0x00'
           slot='0x04' function='0x0' multifunction='on'/>

In practice, the multifunction bit should only be turned on if
function='0' AND other functions will be used in the same slot - it
usually isn't needed for functions 1-7 (although there are apparently
some exceptions, e.g. the Intel X53 according to the QEMU source
code), and should never be set if only function 0 will be used in the
slot. The test cases have been changed accordingly to illustrate.

With this patch in place, if a user attempts to assign multiple
functions in a slot without setting the multifunction bit for function
0, libvirt will issue an error when the domain is defined, and the
define operation will fail. In the future, we may decide to detect
this situation and automatically add multifunction=on to avoid the
error; even then it will still be useful to have a manual method of
turning on multifunction since, as stated above, there are some
devices that excpect it to be turned on for all functions in a slot.

A side effect of this patch is that attempts to use the same PCI
address for two different devices will now log an error (previously
this would cause the domain define operation to fail, but there would
be no log message generated). Because the function doing this log was
almost completely rewritten, I didn't think it worthwhile to make a
separate patch for that fix (the entire patch would immediately be
obsoleted).
(cherry picked from commit c329db7180)
2012-05-16 16:01:24 -06:00
Laine Stump
d20f5421a9 conf: remove unused VIR_ENUM_DECL
While adding a new enum, I noticed a VIR_ENUM_DECL for a type that
doesn't exist. There is also of course no matching VIR_ENUM_IMPL for
it.
(cherry picked from commit be7bc4d5cc)
2012-05-16 16:01:19 -06:00
Eric Blake
64eadd9a7b spec: F15 still uses cgconfig, RHEL lacks hyperv
Commit ecd8725c dropped attempts to probe the cgconfig service on
new enough Fedora where systemd took over that aspect of the system,
but mistakenly used F14 instead of F15 as the cutoff point.

https://bugzilla.redhat.com/show_bug.cgi?id=741358

Also, RHEL does not include HyperV support yet.

* libvirt.spec.in (with_cgconfig): Check cgconfig service in F15.
(%{?rhel}): Provide default for with_hyperv.
(cherry picked from commit ba6cbb182b)
2012-05-16 15:58:29 -06:00
7262 changed files with 16 additions and 3627146 deletions

5
.ctags
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@@ -1,5 +0,0 @@
--recurse
--exclude=*.orig
--exclude=*.html
--exclude=*.html.in
--langmap=c:+.h.in

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@@ -1,20 +0,0 @@
(
(c-mode . (
(c-file-style . "K&R")
(indent-tabs-mode . nil)
(c-indent-level . 4)
(c-basic-offset . 4)
))
(html-mode . (
(indent-tabs-mode . nil)
))
(sh-mode . (
(indent-tabs-mode . nil)
))
(nxml-mode . (
(indent-tabs-mode . nil)
))
(perl-mode . (
(indent-tabs-mode . nil)
))
)

148
.gitignore vendored
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@@ -1,37 +1,22 @@
*#*#
*.#*#
*.a
*.cov
*.exe
*.exe.manifest
*.gcda
*.gcno
*.gcov
*.html
*.i
*.la
*.lo
*.loT
*.o
*.orig
*.pem
*.pyc
*.rej
*.s
*.swp
*~
.#*
.deps
.dirstamp
.gdb_history
.git
.git-module-status
.libs
.lvimrc
.memdump
.sc-start-sc_*
/ABOUT-NLS
/AUTHORS
/COPYING
/ChangeLog
/GNUmakefile
/INSTALL
@@ -41,7 +26,6 @@
/build-aux
/build-aux/
/build/
/confdefs.h
/config.cache
/config.guess
/config.h
@@ -52,159 +36,57 @@
/config.sub
/configure
/configure.lineno
/conftest.*
/daemon/*_dispatch.h
/daemon/libvirt_qemud
/daemon/libvirtd
/daemon/libvirtd*.logrotate
/daemon/libvirtd.8
/daemon/libvirtd.8.in
/daemon/libvirtd.init
/daemon/libvirtd.pod
/daemon/libvirtd.policy
/daemon/libvirtd.service
/daemon/libvirtd.socket
/daemon/test_libvirtd.aug
/docs/aclperms.htmlinc
/docs/apibuild.py.stamp
/docs/devhelp/libvirt.devhelp
/docs/hvsupport.html.in
/docs/libvirt-admin-*.xml
/docs/libvirt-api.xml
/docs/libvirt-lxc-*.xml
/docs/libvirt-qemu-*.xml
/docs/libvirt-refs.xml
/docs/search.php
/docs/todo.html.in
/examples/object-events/event-test
/examples/dominfo/info1
/examples/domsuspend/suspend
/examples/dommigrate/dommigrate
/examples/domtop/domtop
/examples/hellolibvirt/hellolibvirt
/examples/openauth/openauth
/examples/rename/rename
/gnulib/lib/*
/gnulib/m4/*
/gnulib/tests/*
/include/libvirt/libvirt-common.h
/libtool
/libvirt-*.tar.gz
/libvirt-[0-9]*
/libvirt*.pc
/libvirt.pc
/libvirt.spec
/ltconfig
/ltmain.sh
/m4/*
/maint.mk
/mingw-libvirt.spec
/mingw32-libvirt.spec
/mkinstalldirs
/po/*
/proxy/
/python/
/run
/python/generator.py.stamp
/python/libvirt-qemu-export.c
/python/libvirt-qemu.[ch]
/python/libvirt_qemu.py
/sc_*
/src/.*.stamp
/src/*.pc
/src/access/org.libvirt.api.policy
/src/access/viraccessapicheck.c
/src/access/viraccessapicheck.h
/src/access/viraccessapichecklxc.c
/src/access/viraccessapichecklxc.h
/src/access/viraccessapicheckqemu.c
/src/access/viraccessapicheckqemu.h
/src/admin/admin_client.h
/src/admin/admin_protocol.[ch]
/src/esx/*.generated.*
/src/hyperv/*.generated.*
/src/libvirt*.def
/src/libvirt.syms
/src/libvirt_access.syms
/src/libvirt_access.xml
/src/libvirt_access_lxc.syms
/src/libvirt_access_lxc.xml
/src/libvirt_access_qemu.syms
/src/libvirt_access_qemu.xml
/src/libvirt_admin.syms
/src/libvirt_*.stp
/src/libvirt_*helper
/src/libvirt_*probes.h
/src/libvirt_lxc
/src/locking/libxl-lockd.conf
/src/locking/libxl-sanlock.conf
/src/locking/lock_daemon_dispatch_stubs.h
/src/locking/lock_protocol.[ch]
/src/locking/qemu-lockd.conf
/src/libvirt_iohelper
/src/locking/qemu-sanlock.conf
/src/locking/test_libvirt_sanlock.aug
/src/logging/log_daemon_dispatch_stubs.h
/src/logging/log_protocol.[ch]
/src/lxc/lxc_controller_dispatch.h
/src/lxc/lxc_monitor_dispatch.h
/src/lxc/lxc_monitor_protocol.c
/src/lxc/lxc_monitor_protocol.h
/src/lxc/lxc_protocol.[ch]
/src/lxc/test_libvirtd_lxc.aug
/src/qemu/test_libvirtd_qemu.aug
/src/remote/*_client_bodies.h
/src/remote/*_protocol.[ch]
/src/rpc/virkeepaliveprotocol.[ch]
/src/rpc/virnetprotocol.[ch]
/src/test_libvirt*.aug
/src/test_virtlockd.aug
/src/test_virtlogd.aug
/src/util/virkeymaps.h
/src/virt-aa-helper
/src/virtlockd
/src/virtlockd.8
/src/virtlockd.8.in
/src/virtlockd.init
/src/virtlogd
/src/virtlogd.8
/src/virtlogd.8.in
/src/virtlogd.init
/tests/*.log
/tests/*.pid
/tests/*.trs
/tests/commandhelper
/tests/*test
!/tests/*schematest
!/tests/virt-aa-helper-test
/tests/objectlocking
/tests/objectlocking-files.txt
/tests/objectlocking.cm[ix]
/tests/reconnect
/tests/ssh
/tests/test_conf
/tools/*.[18]
/tools/libvirt-guests.init
/tools/libvirt-guests.service
/tools/libvirt-guests.sh
/tools/virt-login-shell
/tools/virsh
/tools/virsh-*-edit.c
/tools/virt-admin
/tools/virt-*-validate
/tools/virt-sanlock-cleanup
/tools/wireshark/src/plugin.c
/tools/wireshark/src/libvirt
/tests/cputest
/tests/hashtest
/tests/jsontest
/tests/networkxml2argvtest
/tests/nwfilterxml2xmltest
/tests/openvzutilstest
/tests/shunloadtest
/update.log
GPATH
GRTAGS
GTAGS
Makefile
Makefile.in
TAGS
coverage
cscope.files
cscope.in.out
cscope.out
cscope.po.out
results.log
stamp-h
stamp-h.in
stamp-h1
tags
!/gnulib/lib/Makefile.am
!/gnulib/tests/Makefile.am
!/m4/virt-*.m4

Submodule .gnulib deleted from 6cc32c63e8

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@@ -1,63 +0,0 @@
# 'git shortlog --help' and look for mailmap for the format of each line
# Email consolidation:
# <Preferred address in AUTHORS> <other alias used by same author>
<bozzolan@gmail.com> <redshift@gmx.com>
<charles_duffy@messageone.com> <charles@dyfis.net>
<claudio.bley@gmail.com> <cbley@av-test.de>
<dfj@redhat.com> <dfj@dfj.bne.redhat.com>
<dpkshetty@gmail.com> <deepakcs@linux.vnet.ibm.com>
<dpkshetty@gmail.com> <deepakcs@redhat.com>
<eblake@redhat.com> <ebb9@byu.net>
<gdolley@arpnetworks.com> <gdolley@ucla.edu>
<gerhard.stenzel@de.ibm.com> <gstenzel@linux.vnet.ibm.com>
<jamie@canonical.com> <jamie@ubuntu.com>
<laine@redhat.com> <laine@laine.org>
<meyering@redhat.com> <jim@meyering.net>
<socketpair@gmail.com> <socketpair gmail com>
<soren@linux2go.dk> <soren@ubuntu.com>
<jfehlig@suse.com> <jfehlig@novell.com>
<jfehlig@suse.com> <jfehlig@linux-ypgk.site>
<jclift@redhat.com> <justin@salasaga.org>
<berrange@redhat.com> <dan@berrange.com>
<soren@linux2go.dk> <soren@canonical.com>
<cfergeau@redhat.com> <teuf@gnome.org>
<wency@cn.fujitsu.com> <wency cn fujitsu com>
<cardoe@cardoe.com> <cardoe@gentoo.org>
<fsimonce@redhat.com> <federico.simoncelli@gmail.com>
<marcandre.lureau@redhat.com> <marcandre.lureau@gmail.com>
<supriyak@linux.vnet.ibm.com> <supriyak@in.ibm.com>
<neil@aldur.co.uk> <neil@brightbox.co.uk>
<stefanb@us.ibm.com> <stefanb@linux.vnet.ibm.com>
<stefanb@us.ibm.com> <stefannb@linux.vnet.ibm.com>
<josh.durgin@inktank.com> <joshd@hq.newdream.net>
<josh.durgin@inktank.com> <josh.durgin@dreamhost.com>
<gerd@egidy.de> <lists@egidy.de>
<gerd@egidy.de> <gerd.von.egidy@intra2net.com>
<benoar@dolka.fr> <benjamin.cama@telecom-bretagne.eu>
<zhlcindy@linux.vnet.ibm.com> <zhlcindy@gmail.com>
<serge.hallyn@canonical.com> <serue@us.ibm.com>
<pritesh.kothari@sun.com> <Pritesh.Kothari@Sun.COM>
# Name consolidation:
# Preferred author spelling <preferred email>
Alex Jia <ajia@redhat.com>
Royce Lv <lvroyce@linux.vnet.ibm.com>
Daniel J Walsh <dwalsh@redhat.com>
Ján Tomko <jtomko@redhat.com>
Gerd von Egidy <gerd@egidy.de>
MATSUDA Daiki <matsudadik@intellilink.co.jp>
Tang Chen <tangchen@cn.fujitsu.com>
Peng Zhou <ailvpeng25@gmail.com>
Dirk Herrendoerfer <d.herrendoerfer@herrendoerfer.name>
Thibault VINCENT <thibault.vincent@smartjog.com>
Aurelien Rougemont <beorn@binaries.fr>
Serge E. Hallyn <serge.hallyn@canonical.com>
Henrik Persson E <henrik.e.persson@ericsson.com>
Philipp Hahn <hahn@univention.de>
Marco Bozzolan <bozzolan@gmail.com>
Marco Bozzolan <redshift@gmx.com>
Pritesh Kothari <pritesh.kothari@sun.com>
Wang Yufei (James) <james.wangyufei@huawei.com>
Deepak C Shetty <dpkshetty@gmail.com>

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@@ -1,101 +0,0 @@
libvirt Authors
===============
The libvirt project was initiated by:
Daniel Veillard <veillard@redhat.com> or <daniel@veillard.com>
The primary maintainers and people with commit access rights:
Alex Jia <ajia@redhat.com>
Andrea Bolognani <abologna@redhat.com>
Cédric Bosdonnat <cbosdonnat@suse.com>
Christophe Fergeau <cfergeau@redhat.com>
Claudio Bley <claudio.bley@gmail.com>
Cole Robinson <crobinso@redhat.com>
Daniel Berrange <berrange@redhat.com>
Daniel Veillard <veillard@redhat.com>
Doug Goldstein <cardoe@gentoo.org>
Eric Blake <eblake@redhat.com>
Erik Skultety <eskultet@redhat.com>
Gao Feng <gaofeng@cn.fujitsu.com>
Guido Günther <agx@sigxcpu.org>
Ján Tomko <jtomko@redhat.com>
Jim Fehlig <jfehlig@suse.com>
Jiří Denemark <jdenemar@redhat.com>
John Ferlan <jferlan@redhat.com>
Laine Stump <laine@redhat.com>
Mark McLoughlin <markmc@redhat.com>
Martin Kletzander <mkletzan@redhat.com>
Matthias Bolte <matthias.bolte@googlemail.com>
Maxim Nestratov <mnestratov@virtuozzo.com>
Michal Prívozník <mprivozn@redhat.com>
Pavel Hrdina <phrdina@redhat.com>
Peter Krempa <pkrempa@redhat.com>
Richard W.M. Jones <rjones@redhat.com>
Roman Bogorodskiy <bogorodskiy@gmail.com>
Stefan Berger <stefanb@us.ibm.com>
Wen Congyang <wency@cn.fujitsu.com>
Previous maintainers:
Anthony Liguori <aliguori@us.ibm.com>
Atsushi SAKAI <sakaia@jp.fujitsu.com>
Chris Lalancette <clalance@redhat.com>
Dan Smith <danms@us.ibm.com>
Dave Allan <dallan@redhat.com>
Dave Leskovec <dlesko@linux.vnet.ibm.com>
Dmitry Guryanov <dguryanov@parallels.com>
Guannan Ren <gren@redhat.com>
Jim Meyering <meyering@redhat.com>
John Levon <john.levon@sun.com>
Justin Clift <jclift@redhat.com>
Karel Zak <kzak@redhat.com>
Osier Yang <jyang@redhat.com>
Patches have also been contributed by:
Abel Míguez Rodríguez <amiguezr@pdi.ucm.es>
Amit Shah <amit.shah@redhat.com>
Andrew Puch <apuch@redhat.com>
Anton Protopopov <aspsk2@gmail.com>
Ben Guthro <ben.guthro@gmail.com>
Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Daniel Hokka Zakrisson <daniel@hozac.com>
Dan Wendlandt <dan@nicira.com>
David Lively <dlively@virtualiron.com>
David Lutterkort <dlutter@redhat.com>
Evgeniy Sokolov <evg@openvz.org>
Hugh Brock <hbrock@redhat.com>
Itamar Heim <iheim@redhat.com>
James Morris <jmorris@namei.org>
Javier Fontan <jfontan@gmail.com>
Jeremy Katz <katzj@redhat.com>
Kaitlin Rupert <kaitlin@linux.vnet.ibm.com>
Kazuki Mizushima <mizushima.kazuk@jp.fujitsu.com>
Mads Chr. Olesen <shiyee@shiyee.dk>
Mark Johnson <johnson.nh@gmail.com>
Markus Armbruster <armbru@redhat.com>
Masayuki Sunou <fj1826dm@aa.jp.fujitsu.com>
Matthias Witte <witte@netzquadrat.de>
Michel Ponceau <michel.ponceau@bull.net>
Nobuhiro Itou <fj0873gn@aa.jp.fujitsu.com>
Pete Vetere <pvetere@redhat.com>
Philippe Berthault <philippe.berthault@Bull.net>
Saori Fukuta <fukuta.saori@jp.fujitsu.com>
Shigeki Sakamoto <fj0588di@aa.jp.fujitsu.com>
Shuveb Hussain <shuveb@binarykarma.com>
Stefan de Konink <dekonink@kinkrsoftware.nl>
Takahashi Tomohiro <takatom@jp.fujitsu.com>
Tatsuro Enokura <fj7716hz@aa.jp.fujitsu.com>
#authorslist#
[....send patches to get your name here....]
The libvirt logo was designed by Diana Fong
-- End
;; Local Variables:
;; coding: utf-8
;; End:

339
COPYING
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@@ -1,339 +0,0 @@
GNU GENERAL PUBLIC LICENSE
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View File

@@ -1,502 +0,0 @@
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How to Apply These Terms to Your New Libraries
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<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!

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## Process this file with automake to produce Makefile.in
## Copyright (C) 2005-2013 Red Hat, Inc.
##
## This library is free software; you can redistribute it and/or
## modify it under the terms of the GNU Lesser General Public
## License as published by the Free Software Foundation; either
## version 2.1 of the License, or (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public
## License along with this library. If not, see
## <http://www.gnu.org/licenses/>.
LCOV = lcov
GENHTML = genhtml
SUBDIRS = . gnulib/lib include src daemon tools docs gnulib/tests \
tests po examples
ACLOCAL_AMFLAGS = -I m4
EXTRA_DIST = \
config-post.h \
ChangeLog-old \
libvirt.spec libvirt.spec.in \
mingw-libvirt.spec.in \
libvirt.pc.in \
libvirt-qemu.pc.in \
libvirt-lxc.pc.in \
libvirt-admin.pc.in \
autobuild.sh \
Makefile.nonreentrant \
autogen.sh \
cfg.mk \
run.in \
AUTHORS.in
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libvirt.pc libvirt-qemu.pc libvirt-lxc.pc
NEWS: $(top_srcdir)/docs/news.xsl $(top_srcdir)/docs/news.html.in
$(AM_V_GEN)if [ -x $(XSLTPROC) ] ; then \
$(XSLTPROC) --nonet $(top_srcdir)/docs/news.xsl \
$(top_srcdir)/docs/news.html.in \
| perl -0777 -pe 's/\n\n+$$/\n/' \
| perl -pe 's/[ \t]+$$//' \
> $@-t && mv $@-t $@ ; fi
$(top_srcdir)/HACKING: $(top_srcdir)/docs/hacking1.xsl \
$(top_srcdir)/docs/hacking2.xsl \
$(top_srcdir)/docs/wrapstring.xsl \
$(top_srcdir)/docs/hacking.html.in
$(AM_V_GEN)if [ -x $(XSLTPROC) ] ; then \
$(XSLTPROC) --nonet $(top_srcdir)/docs/hacking1.xsl \
$(top_srcdir)/docs/hacking.html.in | \
$(XSLTPROC) --nonet $(top_srcdir)/docs/hacking2.xsl - \
| perl -0777 -pe 's/\n\n+$$/\n/' \
> $@-t && mv $@-t $@ ; fi;
rpm: clean
@(unset CDPATH ; $(MAKE) dist && rpmbuild -ta $(distdir).tar.gz)
check-local: all tests
cov: clean-cov
mkdir $(top_builddir)/coverage
$(LCOV) -c -o $(top_builddir)/coverage/libvirt.info.tmp \
-d $(top_builddir)/src -d $(top_builddir)/daemon \
-d $(top_builddir)/tests
$(LCOV) -r $(top_builddir)/coverage/libvirt.info.tmp \
-o $(top_builddir)/coverage/libvirt.info
rm $(top_builddir)/coverage/libvirt.info.tmp
$(GENHTML) --show-details -t "libvirt" -o $(top_builddir)/coverage \
--legend $(top_builddir)/coverage/libvirt.info
clean-cov:
rm -rf $(top_builddir)/coverage
MAINTAINERCLEANFILES = .git-module-status
# disable this check
distuninstallcheck:
dist-hook: gen-ChangeLog gen-AUTHORS
# Generate the ChangeLog file (with all entries since the switch to git)
# and insert it into the directory we're about to use to create a tarball.
gen_start_date = 2009-07-04
.PHONY: gen-ChangeLog
gen-ChangeLog:
$(AM_V_GEN)if test -d .git; then \
$(top_srcdir)/build-aux/gitlog-to-changelog \
--since=$(gen_start_date) > $(distdir)/cl-t; \
rm -f $(distdir)/ChangeLog; \
mv $(distdir)/cl-t $(distdir)/ChangeLog; \
fi
.PHONY: gen-AUTHORS
gen-AUTHORS:
$(AM_V_GEN)if test -d $(srcdir)/.git; then \
out="`cd $(srcdir) && git log --pretty=format:'%aN <%aE>' | sort -u`" && \
perl -p -e "s/#authorslist#// and print '$$out'" \
< $(srcdir)/AUTHORS.in > $(distdir)/AUTHORS-tmp && \
mv -f $(distdir)/AUTHORS-tmp $(distdir)/AUTHORS ; \
fi

View File

@@ -1,115 +0,0 @@
## Copyright (C) 2009-2010, 2013 Red Hat, Inc.
##
## This library is free software; you can redistribute it and/or
## modify it under the terms of the GNU Lesser General Public
## License as published by the Free Software Foundation; either
## version 2.1 of the License, or (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public
## License along with this library. If not, see
## <http://www.gnu.org/licenses/>.
#
# Generated by running the following on Fedora 9:
#
# nm -D --defined-only /lib/libc.so.6 \
# | grep '_r$' \
# | awk '{print $3}' \
# | grep -v __ \
# | grep -v qsort \ # Red herring since we don't need to pass extra args to qsort comparator
# | grep -v readdir \ # This is safe as long as each DIR * instance is only used by one thread
# | sort \
# | uniq \
# | sed -e 's/_r//'
#
# Also manually add in all inet_* functions some of which
# are not threadsafe and do not have _r variants. They are
# all deprecated in favour of getnameinfo/getaddrinfo
#
NON_REENTRANT =
NON_REENTRANT += asctime
NON_REENTRANT += ctime
NON_REENTRANT += drand48
NON_REENTRANT += ecvt
NON_REENTRANT += erand48
NON_REENTRANT += ether_aton
NON_REENTRANT += ether_ntoa
NON_REENTRANT += fcvt
NON_REENTRANT += fgetgrent
NON_REENTRANT += fgetpwent
NON_REENTRANT += fgetspent
NON_REENTRANT += getaliasbyname
NON_REENTRANT += getaliasent
NON_REENTRANT += getdate
NON_REENTRANT += getgrent
NON_REENTRANT += getgrgid
NON_REENTRANT += getgrnam
NON_REENTRANT += gethostbyaddr
NON_REENTRANT += gethostbyname2
NON_REENTRANT += gethostbyname
NON_REENTRANT += gethostent
NON_REENTRANT += getlogin
NON_REENTRANT += getmntent
NON_REENTRANT += getnetbyaddr
NON_REENTRANT += getnetbyname
NON_REENTRANT += getnetent
NON_REENTRANT += getnetgrent
NON_REENTRANT += getprotobyname
NON_REENTRANT += getprotobynumber
NON_REENTRANT += getprotoent
NON_REENTRANT += getpwent
NON_REENTRANT += getpwnam
NON_REENTRANT += getpwuid
NON_REENTRANT += getrpcbyname
NON_REENTRANT += getrpcbynumber
NON_REENTRANT += getrpcent
NON_REENTRANT += getservbyname
NON_REENTRANT += getservbyport
NON_REENTRANT += getservent
NON_REENTRANT += getspent
NON_REENTRANT += getspnam
NON_REENTRANT += getutent
NON_REENTRANT += getutid
NON_REENTRANT += getutline
NON_REENTRANT += gmtime
NON_REENTRANT += hcreate
NON_REENTRANT += hdestroy
NON_REENTRANT += hsearch
NON_REENTRANT += initstate
NON_REENTRANT += jrand48
NON_REENTRANT += lcong48
NON_REENTRANT += localtime
NON_REENTRANT += lrand48
NON_REENTRANT += mrand48
NON_REENTRANT += nrand48
NON_REENTRANT += ptsname
NON_REENTRANT += qecvt
NON_REENTRANT += qfcvt
NON_REENTRANT += random
NON_REENTRANT += rand
NON_REENTRANT += seed48
NON_REENTRANT += setstate
NON_REENTRANT += sgetspent
NON_REENTRANT += srand48
NON_REENTRANT += srandom
NON_REENTRANT += strerror
NON_REENTRANT += strtok
NON_REENTRANT += tmpnam
NON_REENTRANT += ttyname
NON_REENTRANT += inet_addr
NON_REENTRANT += inet_aton
NON_REENTRANT += inet_lnaof
NON_REENTRANT += inet_makeaddr
NON_REENTRANT += inet_netof
NON_REENTRANT += inet_network
NON_REENTRANT += inet_nsap_addr
NON_REENTRANT += inet_nsap_ntoa
NON_REENTRANT += inet_ntoa
NON_REENTRANT += inet_ntop
NON_REENTRANT += inet_pton

14
README
View File

@@ -1,13 +1 @@
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>
This branch is no longer maintained upstream.

View File

@@ -1,57 +0,0 @@
-*- outline -*-
These notes intend to help people working on the checked-out sources.
These requirements do not apply when building from a distribution tarball.
See also HACKING for more detailed libvirt contribution guidelines.
* Requirements
We've opted to keep only the highest-level sources in the GIT repository.
This eases our maintenance burden, (fewer merges etc.), but imposes more
requirements on anyone wishing to build from the just-checked-out sources.
Note the requirements to build the released archive are much less and
are just the requirements of the standard ./configure && make procedure.
Specific development tools and versions will be checked for and listed by
the bootstrap script.
Valgrind <http://valgrind.org/> is also highly recommended, if
Valgrind supports your architecture.
While building from a just-cloned source tree may require installing a
few prerequisites, later, a plain `git pull && make' should be sufficient.
* First GIT checkout
You can get a copy of the source repository like this:
$ git clone git://libvirt.org/libvirt
$ cd libvirt
As an optional step, if you already have a copy of the gnulib git
repository on your hard drive, then you can use it as a reference to
reduce download time and disk space requirements:
$ export GNULIB_SRCDIR=/path/to/gnulib
The next step is to get all required pieces from gnulib,
to run autoreconf, and to invoke ./configure:
$ ./autogen.sh
And there you are! Just
$ make
$ make check
At this point, there should be no difference between your local copy,
and the GIT master copy:
$ git diff
should output no difference.
Enjoy!
Local Variables:
indent-tabs-mode: nil
End:

22
TODO
View File

@@ -1,22 +0,0 @@
libvirt TODO list
=================
The TODO list changes frequently, so is maintained online
in the libvirt bugzilla
http://bugzilla.redhat.com/
Search against
Product: Virtualization Tools
Component: libvirt
Subject: RFE
Or browse dependent bugs under
https://bugzilla.redhat.com/show_bug.cgi?id=libvirtTodo
Summarized reports automatically generated from bugzilla
and provided online at
http://libvirt.org/todo.html

View File

@@ -1,122 +0,0 @@
#!/bin/sh
set -e
set -v
# Make things clean.
test -n "$1" && RESULTS=$1 || RESULTS=results.log
: ${AUTOBUILD_INSTALL_ROOT=$HOME/builder}
# If run under the autobuilder, we must use --nodeps with rpmbuild;
# but this can lead to odd error diagnosis for normal development.
nodeps=
if test "${AUTOBUILD_COUNTER+set}"; then
nodeps=--nodeps
fi
test -f Makefile && make -k distclean || :
rm -rf coverage
rm -rf build
mkdir build
cd build
# Run with options not normally exercised by the rpm build, for
# more complete code coverage.
../autogen.sh --prefix="$AUTOBUILD_INSTALL_ROOT" \
--enable-expensive-tests \
--enable-test-coverage \
--disable-nls \
--enable-werror \
--enable-static
# If the MAKEFLAGS envvar does not yet include a -j option,
# add -jN where N depends on the number of processors.
case $MAKEFLAGS in
*-j*) ;;
*) n=$(getconf _NPROCESSORS_ONLN 2> /dev/null)
test "$n" -gt 0 || n=1
n=$(expr $n + 1)
MAKEFLAGS="$MAKEFLAGS -j$n"
export MAKEFLAGS
;;
esac
make
make install
# set -o pipefail is a bashism; this use of exec is the POSIX alternative
exec 3>&1
st=$(
exec 4>&1 >&3
{ make check syntax-check 2>&1 3>&- 4>&-; echo $? >&4; } | tee "$RESULTS"
)
exec 3>&-
test "$st" = 0
test -x /usr/bin/lcov && make cov
rm -f *.tar.gz
make dist
if test -n "$AUTOBUILD_COUNTER" ; then
EXTRA_RELEASE=".auto$AUTOBUILD_COUNTER"
else
NOW=`date +"%s"`
EXTRA_RELEASE=".$USER$NOW"
fi
if test -f /usr/bin/rpmbuild ; then
rpmbuild $nodeps \
--define "extra_release $EXTRA_RELEASE" \
--define "_sourcedir `pwd`" \
-ba --clean libvirt.spec
fi
# Test mingw32 cross-compile
if test -x /usr/bin/i686-w64-mingw32-gcc ; then
make distclean
PKG_CONFIG_LIBDIR="/usr/i686-w64-mingw32/sys-root/mingw/lib/pkgconfig:/usr/i686-w64-mingw32/sys-root/mingw/share/pkgconfig" \
PKG_CONFIG_PATH="$AUTOBUILD_INSTALL_ROOT/i686-w64-mingw32/sys-root/mingw/lib/pkgconfig" \
CC="i686-w64-mingw32-gcc" \
../configure \
--build=$(uname -m)-w64-linux \
--host=i686-w64-mingw32 \
--prefix="$AUTOBUILD_INSTALL_ROOT/i686-w64-mingw32/sys-root/mingw" \
--enable-expensive-tests \
--enable-werror
make
make install
fi
# Test mingw64 cross-compile
if test -x /usr/bin/x86_64-w64-mingw32-gcc ; then
make distclean
PKG_CONFIG_LIBDIR="/usr/x86_64-w64-mingw32/sys-root/mingw/lib/pkgconfig:/usr/x86_64-w64-mingw32/sys-root/mingw/share/pkgconfig" \
PKG_CONFIG_PATH="$AUTOBUILD_INSTALL_ROOT/x86_64-w64-mingw32/sys-root/mingw/lib/pkgconfig" \
CC="x86_64-w64-mingw32-gcc" \
../configure \
--build=$(uname -m)-w64-linux \
--host=x86_64-w64-mingw32 \
--prefix="$AUTOBUILD_INSTALL_ROOT/x86_64-w64-mingw32/sys-root/mingw" \
--enable-expensive-tests \
--enable-werror
make
make install
fi
if test -x /usr/bin/i686-w64-mingw32-gcc && test -x /usr/bin/x86_64-w64-mingw32-gcc ; then
if test -f /usr/bin/rpmbuild ; then
rpmbuild $nodeps \
--define "extra_release $EXTRA_RELEASE" \
--define "_sourcedir `pwd`" \
-ba --clean mingw-libvirt.spec
fi
fi

View File

@@ -1,117 +0,0 @@
#!/bin/sh
# Run this to generate all the initial makefiles, etc.
set -e
srcdir=`dirname "$0"`
test -z "$srcdir" && srcdir=.
THEDIR=`pwd`
cd "$srcdir"
test -f src/libvirt.c || {
echo "You must run this script in the top-level libvirt directory"
exit 1
}
EXTRA_ARGS=
no_git=
if test "x$1" = "x--no-git"; then
no_git=" $1"
shift
case "$1 $2" in
--gnulib-srcdir=*) no_git="$no_git $1"; shift ;;
--gnulib-srcdir\ *) no_git="$no_git $1=$2"; shift; shift;;
esac
fi
if test -z "$NOCONFIGURE" ; then
if test "x$1" = "x--system"; then
shift
prefix=/usr
libdir=$prefix/lib
sysconfdir=/etc
localstatedir=/var
if [ -d /usr/lib64 ]; then
libdir=$prefix/lib64
fi
EXTRA_ARGS="--prefix=$prefix --sysconfdir=$sysconfdir --localstatedir=$localstatedir --libdir=$libdir"
echo "Running ./configure with $EXTRA_ARGS $@"
else
if test -z "$*" && test ! -f "$THEDIR/config.status"; then
echo "I am going to run ./configure with no arguments - if you wish"
echo "to pass any to it, please specify them on the $0 command line."
fi
fi
fi
# Compute the hash we'll use to determine whether rerunning bootstrap
# is required. The first is just the SHA1 that selects a gnulib snapshot.
# The second ensures that whenever we change the set of gnulib modules used
# by this package, we rerun bootstrap to pull in the matching set of files.
# The third ensures that whenever we change the set of local gnulib diffs,
# we rerun bootstrap to pull in those diffs.
bootstrap_hash()
{
if test "$no_git"; then
echo no-git
return
fi
git submodule status | sed 's/^[ +-]//;s/ .*//'
git hash-object bootstrap.conf
git ls-tree -d HEAD gnulib/local | awk '{print $3}'
}
# Ensure that whenever we pull in a gnulib update or otherwise change to a
# different version (i.e., when switching branches), we also rerun ./bootstrap.
# Also, running 'make rpm' tends to litter the po/ directory, and some people
# like to run 'git clean -x -f po' to fix it; but only ./bootstrap regenerates
# the required file po/Makevars.
# Only run bootstrap from a git checkout, never from a tarball.
if test -d .git || test -f .git; then
curr_status=.git-module-status t=
if test "$no_git"; then
t=no-git
elif test -d .gnulib; then
t=$(bootstrap_hash; git diff .gnulib)
fi
case $t:${CLEAN_SUBMODULE+set} in
*:set) ;;
*-dirty*)
echo "error: gnulib submodule is dirty, please investigate" 2>&1
echo "set env-var CLEAN_SUBMODULE to discard gnulib changes" 2>&1
exit 1 ;;
esac
# Keep this test in sync with cfg.mk:_update_required
if test "$t" = "$(cat $curr_status 2>/dev/null)" \
&& test -f "po/Makevars" && test -f AUTHORS; then
# good, it's up to date, all we need is autoreconf
autoreconf -if
else
if test -z "$no_git" && test ${CLEAN_SUBMODULE+set}; then
echo cleaning up submodules...
git submodule foreach 'git clean -dfqx && git reset --hard'
fi
echo running bootstrap$no_git...
./bootstrap$no_git --bootstrap-sync && bootstrap_hash > $curr_status \
|| { echo "Failed to bootstrap, please investigate."; exit 1; }
fi
fi
test -n "$NOCONFIGURE" && exit 0
cd "$THEDIR"
if test "x$OBJ_DIR" != x; then
mkdir -p "$OBJ_DIR"
cd "$OBJ_DIR"
fi
if test -z "$*" && test -z "$EXTRA_ARGS" && test -f config.status; then
./config.status --recheck
else
$srcdir/configure $EXTRA_ARGS "$@"
fi && {
echo
echo "Now type 'make' to compile libvirt."
}

1026
bootstrap

File diff suppressed because it is too large Load Diff

View File

@@ -1,238 +0,0 @@
# Bootstrap configuration.
# Copyright (C) 2010-2014 Red Hat, Inc.
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
# gnulib modules used by this package.
gnulib_modules='
accept
areadlink
autobuild
base64
bind
bitrotate
byteswap
c-ctype
c-strcase
c-strcasestr
calloc-posix
canonicalize-lgpl
chown
clock-time
close
connect
configmake
count-leading-zeros
count-one-bits
crypto/md5
crypto/sha256
dirname-lgpl
environ
execinfo
fclose
fcntl
fcntl-h
fdatasync
ffs
ffsl
fnmatch
fsync
func
getaddrinfo
getcwd-lgpl
gethostname
getpass
getpeername
getsockname
gettext-h
gettimeofday
gitlog-to-changelog
gnumakefile
ignore-value
inet_pton
intprops
ioctl
isatty
largefile
ldexp
listen
localeconv
maintainer-makefile
manywarnings
mgetgroups
mkdtemp
mkostemp
mkostemps
mktempd
net_if
netdb
nonblocking
openpty
passfd
perror
physmem
pipe-posix
pipe2
poll
posix-shell
pthread
pthread_sigmask
recv
regex
random_r
sched
secure_getenv
send
setenv
setsockopt
sigaction
sigpipe
snprintf
socket
stat-time
stdarg
stpcpy
strchrnul
strdup-posix
strndup
strerror
strerror_r-posix
strptime
strsep
strtok_r
sys_stat
sys_wait
termios
time_r
timegm
ttyname_r
uname
useless-if-before-free
usleep
vasprintf
verify
vc-list-files
vsnprintf
waitpid
warnings
'
# Additional xgettext options to use. Use "\\\newline" to break lines.
XGETTEXT_OPTIONS=$XGETTEXT_OPTIONS'\\\
--flag=virAsprintf:2:c-format\\\
--from-code=UTF-8\\\
'
# This is not a GNU package, so the default bug address is invalid,
# and the translation project is not in use.
MSGID_BUGS_ADDRESS=libvir-list@redhat.com
COPYRIGHT_HOLDER='Red Hat, Inc.'
SKIP_PO=true
# Enable copy-mode for MSYS/MinGW. MSYS' ln doesn't work well in the way
# bootstrap uses it with relative paths.
if test -n "$MSYSTEM"; then
copy=true
fi
# If "AM_GNU_GETTEXT(external" or "AM_GNU_GETTEXT([external]"
# appears in configure.ac, exclude some unnecessary files.
# Without grep's -E option (not portable enough, pre-configure),
# the following test is ugly. Also, this depends on the existence
# of configure.ac, not the obsolescent-named configure.in. But if
# you're using this infrastructure, you should care about such things.
gettext_external=0
grep '^[ ]*AM_GNU_GETTEXT(external\>' configure.ac > /dev/null &&
gettext_external=1
grep '^[ ]*AM_GNU_GETTEXT(\[external\]' configure.ac > /dev/null &&
gettext_external=1
if test $gettext_external = 1; then
# Gettext supplies these files, but we don't need them since
# we don't have an intl subdirectory.
excluded_files='
m4/glibc2.m4
m4/intdiv0.m4
m4/lcmessage.m4
m4/uintmax_t.m4
m4/ulonglong.m4
m4/visibility.m4
'
fi
# Tell gnulib to:
# require LGPLv2+
# apply any local diffs in gnulib/local/ dir
# put *.m4 files in m4/ dir
# put *.[ch] files in new gnulib/lib/ dir
# import gnulib tests in new gnulib/tests/ dir
gnulib_name=libgnu
m4_base=m4
source_base=gnulib/lib
tests_base=gnulib/tests
gnulib_tool_option_extras="\
--lgpl=2\
--with-tests\
--makefile-name=gnulib.mk\
--avoid=pt_chown\
--avoid=lock-tests\
"
local_gl_dir=gnulib/local
# Build prerequisites
# Note that some of these programs are only required for 'make dist' to
# succeed from a fresh git checkout; not all of these programs are
# required to run 'make dist' on a tarball.
buildreq="\
autoconf 2.59
automake 1.9.6
autopoint -
gettext 0.17
git 1.5.5
gzip -
libtool -
patch -
perl 5.5
perl::XML::XPath -
pkg-config -
rpcgen -
tar -
xmllint -
xsltproc -
"
# Automake requires that ChangeLog and AUTHORS exist.
touch AUTHORS ChangeLog || exit 1
# Override bootstrap's list - we don't use mdate-sh or texinfo.tex.
gnulib_extra_files="
build-aux/install-sh
build-aux/depcomp
build-aux/config.guess
build-aux/config.sub
doc/INSTALL
"
bootstrap_post_import_hook()
{
# Change paths in gnulib/tests/gnulib.mk from "../../.." to "../..",
# and make tests conditional by changing "TESTS" to "GNULIB_TESTS".
m=gnulib/tests/gnulib.mk
sed 's,\.\./\.\./\.\.,../..,g; s/^TESTS /GNULIB_TESTS /' $m > $m-t
mv -f $m-t $m
}

View File

@@ -1,71 +0,0 @@
#!/usr/bin/perl
#
# augeas-gentest.pl: Generate an augeas test file, from an
# example config file + test file template
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
#
# Authors:
# Daniel P. Berrange <berrange@redhat.com>
use strict;
use warnings;
die "syntax: $0 CONFIG TEMPLATE AUGTEST\n" unless @ARGV == 3;
my $config = shift @ARGV;
my $template = shift @ARGV;
my $augtest = shift @ARGV;
open AUGTEST, ">", $augtest or die "cannot create $augtest: $!";
$SIG{__DIE__} = sub {
unlink $augtest;
};
open CONFIG, "<", $config or die "cannot read $config: $!";
open TEMPLATE, "<", $template or die "cannot read $template: $!";
my $group = 0;
while (<TEMPLATE>) {
if (/::CONFIG::/) {
my $group = 0;
print AUGTEST " let conf = \"";
while (<CONFIG>) {
if (/^#\w/) {
s/^#//;
s/\"/\\\"/g;
print AUGTEST $_;
$group = /\[\s$/;
} elsif ($group) {
s/\"/\\\"/g;
if (/#\s*\]/) {
$group = 0;
}
if (/^#/) {
s/^#//;
print AUGTEST $_;
}
}
}
print AUGTEST "\"\n";
} else {
print AUGTEST $_;
}
}
close TEMPLATE;
close CONFIG;
close AUGTEST or die "cannot save $augtest: $!";

View File

@@ -1,204 +0,0 @@
#!/usr/bin/perl
#
# bracket-spacing.pl: Report any usage of 'function (..args..)'
# Also check for other syntax issues, such as correct use of ';'
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
#
# Authors:
# Daniel P. Berrange <berrange@redhat.com>
use strict;
use warnings;
my $ret = 0;
my $incomment = 0;
foreach my $file (@ARGV) {
# Per-file variables for multiline Curly Bracket (cb_) check
my $cb_linenum = 0;
my $cb_code = "";
my $cb_scolon = 0;
open FILE, $file;
while (defined (my $line = <FILE>)) {
my $data = $line;
# For temporary modifications
my $tmpdata;
# Kill any quoted , ; = or "
$data =~ s/'[";,=]'/'X'/g;
# Kill any quoted strings
$data =~ s,"([^\\\"]|\\.)*","XXX",g;
# Kill any C++ style comments
$data =~ s,//.*$,//,;
next if $data =~ /^#/;
# Kill contents of multi-line comments
# and detect end of multi-line comments
if ($incomment) {
if ($data =~ m,\*/,) {
$incomment = 0;
$data =~ s,^.*\*/,*/,;
} else {
$data = "";
}
}
# Kill single line comments, and detect
# start of multi-line comments
if ($data =~ m,/\*.*\*/,) {
$data =~ s,/\*.*\*/,/* */,;
} elsif ($data =~ m,/\*,) {
$incomment = 1;
$data =~ s,/\*.*,/*,;
}
# We need to match things like
#
# int foo (int bar, bool wizz);
# foo (bar, wizz);
#
# but not match things like:
#
# typedef int (*foo)(bar wizz)
#
# we can't do this (efficiently) without
# missing things like
#
# foo (*bar, wizz);
#
# We also don't want to spoil the $data so it can be used
# later on.
$tmpdata = $data;
while ($tmpdata =~ /(\w+)\s\((?!\*)/) {
my $kw = $1;
# Allow space after keywords only
if ($kw =~ /^(if|for|while|switch|return)$/) {
$tmpdata =~ s/($kw\s\()/XXX(/;
} else {
print "Whitespace after non-keyword:\n";
print "$file:$.: $line";
$ret = 1;
last;
}
}
# Require whitespace immediately after keywords,
# but none after the opening bracket
if ($data =~ /\b(if|for|while|switch|return)\(/ ||
$data =~ /\b(if|for|while|switch|return)\s+\(\s/) {
print "No whitespace after keyword:\n";
print "$file:$.: $line";
$ret = 1;
}
# Forbid whitespace between )( of a function typedef
if ($data =~ /\(\*\w+\)\s+\(/) {
print "Whitespace between ')' and '(':\n";
print "$file:$.: $line";
$ret = 1;
}
# Forbid whitespace following ( or prior to )
if ($data =~ /\S\s+\)/ ||
$data =~ /\(\s+\S/) {
print "Whitespace after '(' or before ')':\n";
print "$file:$.: $line";
$ret = 1;
}
# Forbid whitespace before ";" or ",". Things like below are allowed:
#
# 1) The expression is empty for "for" loop. E.g.
# for (i = 0; ; i++)
#
# 2) An empty statement. E.g.
# while (write(statuswrite, &status, 1) == -1 &&
# errno == EINTR)
# ;
#
if ($data =~ /[^;\s]\s+[;,]/) {
print "Whitespace before (semi)colon:\n";
print "$file:$.: $line";
$ret = 1;
}
# Require EOL, macro line continuation, or whitespace after ";".
# Allow "for (;;)" as an exception.
if ($data =~ /;[^ \\\n;)]/) {
print "Invalid character after semicolon:\n";
print "$file:$.: $line";
$ret = 1;
}
# Require EOL, space, or enum/struct end after comma.
if ($data =~ /,[^ \\\n)}]/) {
print "Invalid character after comma:\n";
print "$file:$.: $line";
$ret = 1;
}
# Require spaces around assignment '=', compounds and '=='
# with the exception of virAssertCmpInt()
$tmpdata = $data;
$tmpdata =~ s/(virAssertCmpInt\(.* ).?=,/$1op,/;
if ($tmpdata =~ /[^ ]\b[!<>&|\-+*\/%\^=]?=[^=]/ ||
$tmpdata =~ /=[^= \\\n]/) {
print "Spacing around '=' or '==':\n";
print "$file:$.: $line";
$ret = 1;
}
# One line conditional statements with one line bodies should
# not use curly brackets.
if ($data =~ /^\s*(if|while|for)\b.*\{$/) {
$cb_linenum = $.;
$cb_code = $line;
$cb_scolon = 0;
}
# We need to check for exactly one semicolon inside the body,
# because empty statements (e.g. with comment only) are
# allowed
if ($cb_linenum == $. - 1 && $data =~ /^[^;]*;[^;]*$/) {
$cb_code .= $line;
$cb_scolon = 1;
}
if ($data =~ /^\s*}\s*$/ &&
$cb_linenum == $. - 2 &&
$cb_scolon) {
print "Curly brackets around single-line body:\n";
print "$file:$cb_linenum-$.:\n$cb_code$line";
$ret = 1;
# There _should_ be no need to reset the values; but to
# keep my inner peace...
$cb_linenum = 0;
$cb_scolon = 0;
$cb_code = "";
}
}
close FILE;
}
exit $ret;

1263
cfg.mk

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@@ -1,69 +0,0 @@
/*
* Copyright (C) 2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
/*
* Since virt-login-shell will be setuid, we must do everything
* we can to avoid linking to other libraries. Many of them do
* unsafe things in functions marked __atttribute__((constructor)).
* The only way avoid to avoid such deps is to re-compile the
* functions with the code in question disabled, and for that we
* must override the main config.h rules. Hence this file :-(
*/
#ifdef LIBVIRT_SETUID_RPC_CLIENT
# undef HAVE_LIBDEVMAPPER_H
# undef HAVE_LIBNL
# undef HAVE_LIBNL3
# undef HAVE_LIBSASL2
# undef WITH_CAPNG
# undef WITH_CURL
# undef WITH_DTRACE_PROBES
# undef WITH_GNUTLS
# undef WITH_GNUTLS_GCRYPT
# undef WITH_MACVTAP
# undef WITH_NUMACTL
# undef WITH_SASL
# undef WITH_SSH2
# undef WITH_VIRTUALPORT
# undef WITH_YAJL
# undef WITH_YAJL2
#endif
/*
* With the NSS module it's the same story as virt-login-shell. See the
* explanation above.
*/
#ifdef LIBVIRT_NSS
# undef HAVE_LIBDEVMAPPER_H
# undef HAVE_LIBNL
# undef HAVE_LIBNL3
# undef HAVE_LIBSASL2
# undef WITH_CAPNG
# undef WITH_CURL
# undef WITH_DTRACE_PROBES
# undef WITH_GNUTLS
# undef WITH_GNUTLS_GCRYPT
# undef WITH_MACVTAP
# undef WITH_NUMACTL
# undef WITH_SASL
# undef WITH_SSH2
# undef WITH_VIRTUALPORT
# undef WITH_SECDRIVER_SELINUX
# undef WITH_SECDRIVER_APPARMOR
# undef WITH_CAPNG
#endif /* LIBVIRT_NSS */

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@@ -1,539 +0,0 @@
## Process this file with automake to produce Makefile.in
## Copyright (C) 2005-2015 Red Hat, Inc.
##
## This library is free software; you can redistribute it and/or
## modify it under the terms of the GNU Lesser General Public
## License as published by the Free Software Foundation; either
## version 2.1 of the License, or (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public
## License along with this library. If not, see
## <http://www.gnu.org/licenses/>.
INCLUDES = \
-I$(top_builddir)/gnulib/lib -I$(top_srcdir)/gnulib/lib \
-I$(top_srcdir) \
-I$(top_builddir)/include -I$(top_srcdir)/include \
-I$(top_builddir)/src -I$(top_srcdir)/src \
-I$(top_srcdir)/src/util \
-I$(top_srcdir)/src/conf \
-I$(top_srcdir)/src/rpc \
-I$(top_srcdir)/src/remote \
-I$(top_srcdir)/src/admin \
-I$(top_srcdir)/src/access \
$(GETTEXT_CPPFLAGS)
CLEANFILES =
DAEMON_GENERATED = \
remote_dispatch.h \
lxc_dispatch.h \
qemu_dispatch.h \
admin_dispatch.h \
$(NULL)
DAEMON_SOURCES = \
libvirtd.c libvirtd.h \
remote.c remote.h \
stream.c stream.h \
$(DAEMON_GENERATED)
LIBVIRTD_CONF_SOURCES = libvirtd-config.c libvirtd-config.h
DISTCLEANFILES =
EXTRA_DIST = \
remote_dispatch.h \
lxc_dispatch.h \
qemu_dispatch.h \
admin_dispatch.h \
libvirtd.conf \
libvirtd.init.in \
libvirtd.upstart \
libvirtd.policy.in \
libvirt.rules \
libvirtd.sasl \
libvirtd.service.in \
libvirtd.socket.in \
libvirtd.sysconf \
libvirtd.sysctl \
libvirtd.aug \
libvirtd.logrotate.in \
libvirtd.qemu.logrotate.in \
libvirtd.lxc.logrotate.in \
libvirtd.libxl.logrotate.in \
libvirtd.uml.logrotate.in \
test_libvirtd.aug.in \
THREADS.txt \
libvirtd.pod.in \
libvirtd.8.in \
$(DAEMON_SOURCES) \
$(LIBVIRTD_CONF_SOURCES) \
$(NULL)
BUILT_SOURCES =
REMOTE_PROTOCOL = $(top_srcdir)/src/remote/remote_protocol.x
LXC_PROTOCOL = $(top_srcdir)/src/remote/lxc_protocol.x
QEMU_PROTOCOL = $(top_srcdir)/src/remote/qemu_protocol.x
ADMIN_PROTOCOL = $(top_srcdir)/src/admin/admin_protocol.x
remote_dispatch.h: $(top_srcdir)/src/rpc/gendispatch.pl \
$(REMOTE_PROTOCOL)
$(AM_V_GEN)$(PERL) -w $(top_srcdir)/src/rpc/gendispatch.pl \
--mode=server remote REMOTE $(REMOTE_PROTOCOL) \
> $(srcdir)/remote_dispatch.h
lxc_dispatch.h: $(top_srcdir)/src/rpc/gendispatch.pl \
$(LXC_PROTOCOL)
$(AM_V_GEN)$(PERL) -w $(top_srcdir)/src/rpc/gendispatch.pl \
--mode=server lxc LXC $(LXC_PROTOCOL) \
> $(srcdir)/lxc_dispatch.h
qemu_dispatch.h: $(top_srcdir)/src/rpc/gendispatch.pl \
$(QEMU_PROTOCOL)
$(AM_V_GEN)$(PERL) -w $(top_srcdir)/src/rpc/gendispatch.pl \
--mode=server qemu QEMU $(QEMU_PROTOCOL) \
> $(srcdir)/qemu_dispatch.h
admin_dispatch.h: $(top_srcdir)/src/rpc/gendispatch.pl \
$(ADMIN_PROTOCOL)
$(AM_V_GEN)$(PERL) -w $(top_srcdir)/src/rpc/gendispatch.pl \
--mode=server admin ADMIN $(ADMIN_PROTOCOL) \
> $(srcdir)/admin_dispatch.h
if WITH_LIBVIRTD
# Build a convenience library, for reuse in tests/libvirtdconftest
noinst_LTLIBRARIES = libvirtd_conf.la
libvirtd_conf_la_SOURCES = $(LIBVIRTD_CONF_SOURCES)
libvirtd_conf_la_CFLAGS = \
$(LIBXML_CFLAGS) \
$(XDR_CFLAGS) \
$(WARN_CFLAGS) $(PIE_CFLAGS) \
$(COVERAGE_CFLAGS) \
$(NULL)
libvirtd_conf_la_LDFLAGS = \
$(RELRO_LDFLAGS) \
$(PIE_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(NO_INDIRECT_LDFLAGS) \
$(NULL)
libvirtd_conf_la_LIBADD = $(LIBXML_LIBS)
noinst_LTLIBRARIES += libvirtd_admin.la
libvirtd_admin_la_SOURCES = \
admin.c admin.h admin_server.c admin_server.h
libvirtd_admin_la_CFLAGS = \
$(AM_CFLAGS) \
$(XDR_CFLAGS) \
$(PIE_CFLAGS) \
$(WARN_CFLAGS) \
$(LIBXML_CFLAGS) \
$(COVERAGE_CFLAGS) \
$(NULL)
libvirtd_admin_la_LDFLAGS = \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(NO_INDIRECT_LDFLAGS) \
$(NULL)
libvirtd_admin_la_LIBADD = \
../src/libvirt-admin.la
man8_MANS = libvirtd.8
sbin_PROGRAMS = libvirtd
confdir = $(sysconfdir)/libvirt/
conf_DATA = libvirtd.conf
augeasdir = $(datadir)/augeas/lenses
augeas_DATA = libvirtd.aug
augeastestsdir = $(datadir)/augeas/lenses/tests
augeastests_DATA = test_libvirtd.aug
CLEANFILES += test_libvirtd.aug
libvirtd.8: $(srcdir)/libvirtd.8.in
$(AM_V_GEN)sed \
-e 's|[@]sysconfdir[@]|$(sysconfdir)|g' \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
< $< > $@-t && \
mv $@-t $@
libvirtd_SOURCES = $(DAEMON_SOURCES)
#-D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_POSIX_C_SOURCE=199506L
libvirtd_CFLAGS = \
$(LIBXML_CFLAGS) $(GNUTLS_CFLAGS) $(SASL_CFLAGS) \
$(XDR_CFLAGS) $(DBUS_CFLAGS) $(LIBNL_CFLAGS) \
$(WARN_CFLAGS) $(PIE_CFLAGS) \
$(COVERAGE_CFLAGS) \
-DQEMUD_PID_FILE="\"$(QEMUD_PID_FILE)\""
libvirtd_LDFLAGS = \
$(RELRO_LDFLAGS) \
$(PIE_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(NO_INDIRECT_LDFLAGS) \
$(NULL)
libvirtd_LDADD = \
$(LIBXML_LIBS) \
$(GNUTLS_LIBS) \
$(SASL_LIBS) \
$(DBUS_LIBS) \
$(LIBNL_LIBS)
if WITH_DTRACE_PROBES
libvirtd_LDADD += ../src/libvirt_probes.lo
endif WITH_DTRACE_PROBES
libvirtd_LDADD += \
libvirtd_conf.la \
libvirtd_admin.la \
../src/libvirt-lxc.la \
../src/libvirt-qemu.la \
../src/libvirt_driver_remote.la \
$(NULL)
if ! WITH_DRIVER_MODULES
if WITH_QEMU
libvirtd_LDADD += ../src/libvirt_driver_qemu.la
if WITH_DTRACE_PROBES
libvirtd_LDADD += ../src/libvirt_qemu_probes.lo
endif WITH_DTRACE_PROBES
endif WITH_QEMU
if WITH_LXC
libvirtd_LDADD += ../src/libvirt_driver_lxc.la
endif WITH_LXC
if WITH_XEN
libvirtd_LDADD += ../src/libvirt_driver_xen.la
endif WITH_XEN
if WITH_LIBXL
libvirtd_LDADD += ../src/libvirt_driver_libxl.la
endif WITH_LIBXL
if WITH_UML
libvirtd_LDADD += ../src/libvirt_driver_uml.la
endif WITH_UML
if WITH_VBOX
libvirtd_LDADD += ../src/libvirt_driver_vbox.la
endif WITH_VBOX
if WITH_STORAGE
libvirtd_LDADD += ../src/libvirt_driver_storage.la
endif WITH_STORAGE
if WITH_NETWORK
libvirtd_LDADD += ../src/libvirt_driver_network.la
endif WITH_NETWORK
if WITH_INTERFACE
libvirtd_LDADD += ../src/libvirt_driver_interface.la
endif WITH_INTERFACE
if WITH_NODE_DEVICES
libvirtd_LDADD += ../src/libvirt_driver_nodedev.la
endif WITH_NODE_DEVICES
if WITH_SECRETS
libvirtd_LDADD += ../src/libvirt_driver_secret.la
endif WITH_SECRETS
if WITH_NWFILTER
libvirtd_LDADD += ../src/libvirt_driver_nwfilter.la
endif WITH_NWFILTER
endif ! WITH_DRIVER_MODULES
libvirtd_LDADD += ../src/libvirt.la
if WITH_POLKIT
if WITH_POLKIT0
policydir = $(datadir)/PolicyKit/policy
policyauth = auth_admin_keep_session
else ! WITH_POLKIT0
policydir = $(datadir)/polkit-1/actions
policyauth = auth_admin_keep
rulesdir = $(datadir)/polkit-1/rules.d
rulesfile = libvirt.rules
endif ! WITH_POLKIT0
endif WITH_POLKIT
libvirtd.policy: libvirtd.policy.in $(top_builddir)/config.status
$(AM_V_GEN) sed \
-e 's|[@]authaction[@]|$(policyauth)|g' \
< $< > $@-t && \
mv $@-t $@
BUILT_SOURCES += libvirtd.policy
install-data-local: install-init-redhat install-init-systemd \
install-init-upstart \
install-data-sasl install-data-polkit \
install-logrotate install-sysctl
$(MKDIR_P) $(DESTDIR)$(localstatedir)/log/libvirt \
$(DESTDIR)$(localstatedir)/run/libvirt \
$(DESTDIR)$(localstatedir)/lib/libvirt
uninstall-local:: uninstall-init-redhat uninstall-init-systemd \
uninstall-init-upstart \
uninstall-data-sasl uninstall-data-polkit \
uninstall-logrotate uninstall-sysctl
rmdir $(DESTDIR)$(localstatedir)/log/libvirt || :
rmdir $(DESTDIR)$(localstatedir)/run/libvirt || :
rmdir $(DESTDIR)$(localstatedir)/lib/libvirt || :
if WITH_POLKIT
install-data-polkit::
$(MKDIR_P) $(DESTDIR)$(policydir)
$(INSTALL_DATA) libvirtd.policy $(DESTDIR)$(policydir)/org.libvirt.unix.policy
if ! WITH_POLKIT0
$(MKDIR_P) $(DESTDIR)$(rulesdir)
$(INSTALL_DATA) $(srcdir)/$(rulesfile) $(DESTDIR)$(rulesdir)/50-libvirt.rules
endif ! WITH_POLKIT0
uninstall-data-polkit::
rm -f $(DESTDIR)$(policydir)/org.libvirt.unix.policy
rmdir $(DESTDIR)$(policydir) || :
if ! WITH_POLKIT0
rm -f $(DESTDIR)$(rulesdir)/50-libvirt.rules
rmdir $(DESTDIR)$(rulesdir) || :
endif ! WITH_POLKIT0
else ! WITH_POLKIT
install-data-polkit::
uninstall-data-polkit::
endif ! WITH_POLKIT
remote.c: $(DAEMON_GENERATED)
remote.h: $(DAEMON_GENERATED)
admin.c: $(DAEMON_GENERATED)
admin.h: $(DAEMON_GENERATED)
LOGROTATE_CONFS = libvirtd.qemu.logrotate libvirtd.lxc.logrotate \
libvirtd.libxl.logrotate libvirtd.uml.logrotate \
libvirtd.logrotate
BUILT_SOURCES += $(LOGROTATE_CONFS)
libvirtd.logrotate: libvirtd.logrotate.in
$(AM_V_GEN)sed \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
< $< > $@-t && \
mv $@-t $@
libvirtd.qemu.logrotate: libvirtd.qemu.logrotate.in
$(AM_V_GEN)sed \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
< $< > $@-t && \
mv $@-t $@
libvirtd.lxc.logrotate: libvirtd.lxc.logrotate.in
$(AM_V_GEN)sed \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
< $< > $@-t && \
mv $@-t $@
libvirtd.libxl.logrotate: libvirtd.libxl.logrotate.in
$(AM_V_GEN)sed \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
< $< > $@-t && \
mv $@-t $@
libvirtd.uml.logrotate: libvirtd.uml.logrotate.in
$(AM_V_GEN)sed \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
< $< > $@-t && \
mv $@-t $@
install-logrotate: $(LOGROTATE_CONFS)
$(MKDIR_P) $(DESTDIR)$(localstatedir)/log/libvirt/qemu/ \
$(DESTDIR)$(localstatedir)/log/libvirt/lxc/ \
$(DESTDIR)$(localstatedir)/log/libvirt/uml/ \
$(DESTDIR)$(sysconfdir)/logrotate.d/
$(INSTALL_DATA) libvirtd.logrotate \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd
$(INSTALL_DATA) libvirtd.qemu.logrotate \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.qemu
$(INSTALL_DATA) libvirtd.lxc.logrotate \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.lxc
$(INSTALL_DATA) libvirtd.libxl.logrotate \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.libxl
$(INSTALL_DATA) libvirtd.uml.logrotate \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.uml
uninstall-logrotate:
rm -f $(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.qemu \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.lxc \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.libxl \
$(DESTDIR)$(sysconfdir)/logrotate.d/libvirtd.uml
rmdir $(DESTDIR)$(localstatedir)/log/libvirt/qemu || :
rmdir $(DESTDIR)$(localstatedir)/log/libvirt/lxc || :
rmdir $(DESTDIR)$(localstatedir)/log/libvirt/uml || :
rmdir $(DESTDIR)$(sysconfdir)/logrotate.d || :
install-sysconfig:
$(MKDIR_P) $(DESTDIR)$(sysconfdir)/sysconfig
$(INSTALL_DATA) $(srcdir)/libvirtd.sysconf \
$(DESTDIR)$(sysconfdir)/sysconfig/libvirtd
uninstall-sysconfig:
rm -f $(DESTDIR)$(sysconfdir)/sysconfig/libvirtd
rmdir $(DESTDIR)$(sysconfdir)/sysconfig || :
if WITH_SYSCTL
# Use $(prefix)/lib rather than $(libdir), since man sysctl.d insists on
# /usr/lib/sysctl.d/ even when libdir is /usr/lib64
install-sysctl:
$(MKDIR_P) $(DESTDIR)$(prefix)/lib/sysctl.d
$(INSTALL_DATA) $(srcdir)/libvirtd.sysctl \
$(DESTDIR)$(prefix)/lib/sysctl.d/60-libvirtd.conf
uninstall-sysctl:
rm -f $(DESTDIR)$(prefix)/lib/sysctl.d/60-libvirtd.conf
rmdir $(DESTDIR)$(prefix)/lib/sysctl.d || :
else ! WITH_SYSCTL
install-sysctl:
uninstall-sysctl:
endif ! WITH_SYSCTL
if LIBVIRT_INIT_SCRIPT_RED_HAT
BUILT_SOURCES += libvirtd.init
install-init-redhat: install-sysconfig libvirtd.init
$(MKDIR_P) $(DESTDIR)$(sysconfdir)/rc.d/init.d
$(INSTALL_SCRIPT) libvirtd.init \
$(DESTDIR)$(sysconfdir)/rc.d/init.d/libvirtd
uninstall-init-redhat: uninstall-sysconfig
rm -f $(DESTDIR)$(sysconfdir)/rc.d/init.d/libvirtd
rmdir $(DESTDIR)$(sysconfdir)/rc.d/init.d || :
else ! LIBVIRT_INIT_SCRIPT_RED_HAT
install-init-redhat:
uninstall-init-redhat:
endif ! LIBVIRT_INIT_SCRIPT_RED_HAT
if LIBVIRT_INIT_SCRIPT_UPSTART
install-init-upstart: install-sysconfig
$(MKDIR_P) $(DESTDIR)$(sysconfdir)/event.d
$(INSTALL_SCRIPT) libvirtd.upstart \
$(DESTDIR)$(sysconfdir)/event.d/libvirtd
uninstall-init-upstart: uninstall-sysconfig
rm -f $(DESTDIR)$(sysconfdir)/event.d/libvirtd
rmdir $(DESTDIR)$(sysconfdir)/event.d || :
else ! LIBVIRT_INIT_SCRIPT_UPSTART
install-init-upstart:
uninstall-init-upstart:
endif ! LIBVIRT_INIT_SCRIPT_UPSTART
if LIBVIRT_INIT_SCRIPT_SYSTEMD
SYSTEMD_UNIT_DIR = $(prefix)/lib/systemd/system
BUILT_SOURCES += libvirtd.service libvirtd.socket
install-init-systemd: install-sysconfig libvirtd.service libvirtd.socket
$(MKDIR_P) $(DESTDIR)$(SYSTEMD_UNIT_DIR)
$(INSTALL_DATA) libvirtd.service \
$(DESTDIR)$(SYSTEMD_UNIT_DIR)/libvirtd.service
$(INSTALL_DATA) libvirtd.socket \
$(DESTDIR)$(SYSTEMD_UNIT_DIR)/libvirtd.socket
uninstall-init-systemd: uninstall-sysconfig
rm -f $(DESTDIR)$(SYSTEMD_UNIT_DIR)/libvirtd.service
rm -f $(DESTDIR)$(SYSTEMD_UNIT_DIR)/libvirtd.socket
rmdir $(DESTDIR)$(SYSTEMD_UNIT_DIR) || :
else ! LIBVIRT_INIT_SCRIPT_SYSTEMD
install-init-systemd:
uninstall-init-systemd:
endif ! LIBVIRT_INIT_SCRIPT_SYSTEMD
libvirtd.init: libvirtd.init.in $(top_builddir)/config.status
$(AM_V_GEN)sed \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
-e 's|[@]sbindir[@]|$(sbindir)|g' \
-e 's|[@]sysconfdir[@]|$(sysconfdir)|g' \
< $< > $@-t && \
chmod a+x $@-t && \
mv $@-t $@
libvirtd.service: libvirtd.service.in $(top_builddir)/config.status
$(AM_V_GEN)sed \
-e 's|[@]localstatedir[@]|$(localstatedir)|g' \
-e 's|[@]sbindir[@]|$(sbindir)|g' \
-e 's|[@]sysconfdir[@]|$(sysconfdir)|g' \
< $< > $@-t && \
mv $@-t $@
libvirtd.socket: libvirtd.socket.in $(top_builddir)/config.status
$(AM_V_GEN)sed \
-e 's|[@]runstatedir[@]|$(runstatedir)|g' \
< $< > $@-t && \
mv $@-t $@
check-local: check-augeas
AUG_GENTEST = $(PERL) $(top_srcdir)/build-aux/augeas-gentest.pl
test_libvirtd.aug: test_libvirtd.aug.in $(srcdir)/libvirtd.conf
$(AM_V_GEN)$(AUG_GENTEST) $(srcdir)/libvirtd.conf $< $@
check-augeas: test_libvirtd.aug
$(AM_V_GEN)if test -x '$(AUGPARSE)'; then \
'$(AUGPARSE)' -I $(srcdir) test_libvirtd.aug; \
fi
# This must be added last, since functions it provides/replaces
# are used by nearly every other library.
libvirtd_LDADD += ../gnulib/lib/libgnu.la $(LIBSOCKET)
else ! WITH_LIBVIRTD
install-data-local: install-data-sasl
uninstall-local:: uninstall-data-sasl
endif ! WITH_LIBVIRTD
POD2MAN = pod2man -c "Virtualization Support" \
-r "$(PACKAGE)-$(VERSION)" -s 8
$(srcdir)/libvirtd.8.in: libvirtd.pod.in $(top_srcdir)/configure.ac
$(AM_V_GEN)$(POD2MAN) --name LIBVIRTD $< $@ \
&& if grep 'POD ERROR' $@ ; then rm $@; exit 1; fi
# This is needed for clients too, so can't wrap in
# the WITH_LIBVIRTD conditional
if WITH_SASL
install-data-sasl:
$(MKDIR_P) $(DESTDIR)$(sysconfdir)/sasl2/
$(INSTALL_DATA) $(srcdir)/libvirtd.sasl \
$(DESTDIR)$(sysconfdir)/sasl2/libvirt.conf
uninstall-data-sasl:
rm -f $(DESTDIR)$(sysconfdir)/sasl2/libvirt.conf
rmdir $(DESTDIR)$(sysconfdir)/sasl2/ || :
else ! WITH_SASL
install-data-sasl:
uninstall-data-sasl:
endif ! WITH_SASL
CLEANFILES += $(BUILT_SOURCES) $(man8_MANS)
CLEANFILES += *.cov *.gcov .libs/*.gcda .libs/*.gcno *.gcno *.gcda
MAINTAINERCLEANFILES = $(srcdir)/libvirtd.8.in $(DAEMON_GENERATED)

View File

@@ -1,52 +0,0 @@
Threading in the libvirtd daemon
================================
To allow efficient processing of RPC requests, the libvirtd daemon
makes use of threads.
- The process leader. This is the initial thread of control
when the daemon starts running. It is responsible for
initializing all the state, and starting the event loop.
Once that's all done, this thread does nothing except
wait for the event loop to quit, thus indicating an orderly
shutdown is required.
- The event loop. This thread runs the event loop, sitting
in poll() on all monitored file handles, and calculating
and dispatching any timers that may be registered. When
this thread quits, the entire daemon will shutdown.
- The workers. These 'n' threads all sit around waiting to
process incoming RPC requests. Since RPC requests may take
a long time to complete, with long idle periods, there will
be quite a few workers running.
The use of threads obviously requires locking to ensure safety when
accessing/changing data structures.
- the top level lock is on 'struct qemud_server'. This must be
held before acquiring any other lock
- Each 'struct qemud_client' object has a lock. The server lock
must be held before acquiring it. Once the client lock is acquired
the server lock can (optionally) be dropped.
- The event loop has its own self-contained lock. You can ignore
this as a caller of virEvent APIs.
The server lock is used in conjunction with a condition variable
to pass jobs from the event loop thread to the workers. The main
event loop thread handles I/O from the client socket, and once a
complete RPC message has been read off the wire (and optionally
decrypted), it will be placed on the 'dx' job queue for the
associated client object. The job condition will be signalled and
a worker will wakup and process it.
The worker thread must quickly drop its locks on the server and
client to allow the main event loop thread to continue running
with its other work. Critically important, is that now libvirt
API call will ever be made with the server or client locks held.
-- End

View File

@@ -1,136 +0,0 @@
/*
* admin.c: handlers for admin RPC method calls
*
* Copyright (C) 2014-2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Martin Kletzander <mkletzan@redhat.com>
*/
#include <config.h>
#include "internal.h"
#include "libvirtd.h"
#include "libvirt_internal.h"
#include "admin_protocol.h"
#include "admin.h"
#include "admin_server.h"
#include "datatypes.h"
#include "viralloc.h"
#include "virerror.h"
#include "virlog.h"
#include "virnetdaemon.h"
#include "virnetserver.h"
#include "virstring.h"
#include "virthreadjob.h"
#define VIR_FROM_THIS VIR_FROM_ADMIN
VIR_LOG_INIT("daemon.admin");
void
remoteAdmClientFreeFunc(void *data)
{
struct daemonAdmClientPrivate *priv = data;
virMutexDestroy(&priv->lock);
virObjectUnref(priv->dmn);
VIR_FREE(priv);
}
void *
remoteAdmClientInitHook(virNetServerClientPtr client ATTRIBUTE_UNUSED,
void *opaque)
{
struct daemonAdmClientPrivate *priv;
if (VIR_ALLOC(priv) < 0)
return NULL;
if (virMutexInit(&priv->lock) < 0) {
VIR_FREE(priv);
virReportSystemError(errno, "%s", _("unable to init mutex"));
return NULL;
}
/*
* We don't necessarily need to ref this object right now as there
* must be one ref being held throughout the life of the daemon,
* but let's just be safe for future.
*/
priv->dmn = virObjectRef(opaque);
return priv;
}
/* Helpers */
static void
make_nonnull_server(admin_nonnull_server *srv_dst,
virNetServerPtr srv_src)
{
ignore_value(VIR_STRDUP_QUIET(srv_dst->name, virNetServerGetName(srv_src)));
}
/* Functions */
static int
adminDispatchConnectOpen(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
struct admin_connect_open_args *args)
{
unsigned int flags;
struct daemonAdmClientPrivate *priv =
virNetServerClientGetPrivateData(client);
int ret = -1;
VIR_DEBUG("priv=%p dmn=%p", priv, priv->dmn);
virMutexLock(&priv->lock);
flags = args->flags;
virCheckFlagsGoto(0, cleanup);
ret = 0;
cleanup:
if (ret < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return ret;
}
static int
adminDispatchConnectClose(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED)
{
virNetServerClientDelayedClose(client);
return 0;
}
static int
adminConnectGetLibVersion(virNetDaemonPtr dmn ATTRIBUTE_UNUSED,
unsigned long long *libVer)
{
if (libVer)
*libVer = LIBVIR_VERSION_NUMBER;
return 0;
}
#include "admin_dispatch.h"

View File

@@ -1,36 +0,0 @@
/*
* admin.h: handlers for admin RPC method calls
*
* Copyright (C) 2014-2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Martin Kletzander <mkletzan@redhat.com>
*/
#ifndef __LIBVIRTD_ADMIN_H__
# define __LIBVIRTD_ADMIN_H__
# include "rpc/virnetserverprogram.h"
# include "rpc/virnetserverclient.h"
extern virNetServerProgramProc adminProcs[];
extern size_t adminNProcs;
void remoteAdmClientFreeFunc(void *data);
void *remoteAdmClientInitHook(virNetServerClientPtr client, void *opaque);
#endif /* __ADMIN_REMOTE_H__ */

View File

@@ -1,70 +0,0 @@
/*
* admin_server.c: admin methods to manage daemons and clients
*
* Copyright (C) 2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Authors: Erik Skultety <eskultet@redhat.com>
* Martin Kletzander <mkletzan@redhat.com>
*/
#include <config.h>
#include "admin_server.h"
#include "datatypes.h"
#include "viralloc.h"
#include "virerror.h"
#include "virlog.h"
#include "virnetdaemon.h"
#include "virnetserver.h"
#include "virstring.h"
#define VIR_FROM_THIS VIR_FROM_ADMIN
VIR_LOG_INIT("daemon.admin_server");
int
adminConnectListServers(virNetDaemonPtr dmn,
virNetServerPtr **servers,
unsigned int flags)
{
int ret = -1;
virNetServerPtr *srvs = NULL;
virCheckFlags(0, -1);
if ((ret = virNetDaemonGetServers(dmn, &srvs)) < 0)
goto cleanup;
if (servers) {
*servers = srvs;
srvs = NULL;
}
cleanup:
if (ret > 0)
virObjectListFreeCount(srvs, ret);
return ret;
}
virNetServerPtr
adminConnectLookupServer(virNetDaemonPtr dmn,
const char *name,
unsigned int flags)
{
virCheckFlags(flags, NULL);
return virNetDaemonGetServer(dmn, name);
}

View File

@@ -1,38 +0,0 @@
/*
* admin_server.h: admin methods to manage daemons and clients
*
* Copyright (C) 2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Authors: Erik Skultety <eskultet@redhat.com>
* Martin Kletzander <mkletzan@redhat.com>
*/
#ifndef __LIBVIRTD_ADMIN_SERVER_H__
# define __LIBVIRTD_ADMIN_SERVER_H__
# include "rpc/virnetdaemon.h"
# include "rpc/virnetserver.h"
int adminConnectListServers(virNetDaemonPtr dmn,
virNetServerPtr **servers,
unsigned int flags);
virNetServerPtr adminConnectLookupServer(virNetDaemonPtr dmn,
const char *name,
unsigned int flags);
#endif /* __LIBVIRTD_ADMIN_SERVER_H__ */

View File

@@ -1,9 +0,0 @@
// Allow any user in the 'libvirt' group to connect to system libvirtd
// without entering a password.
polkit.addRule(function(action, subject) {
if (action.id == "org.libvirt.unix.manage" &&
subject.isInGroup("libvirt")) {
return polkit.Result.YES;
}
});

View File

@@ -1,523 +0,0 @@
/*
* libvirtd-config.c: daemon start of day, guest process & i/o management
*
* Copyright (C) 2006-2012, 2014, 2015 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#include <config.h>
#include "libvirtd-config.h"
#include "virconf.h"
#include "viralloc.h"
#include "virerror.h"
#include "virlog.h"
#include "rpc/virnetserver.h"
#include "configmake.h"
#include "remote/remote_protocol.h"
#include "remote/remote_driver.h"
#include "virstring.h"
#include "virutil.h"
#define VIR_FROM_THIS VIR_FROM_CONF
VIR_LOG_INIT("daemon.libvirtd-config");
/* Allocate an array of malloc'd strings from the config file, filename
* (used only in diagnostics), using handle "conf". Upon error, return -1
* and free any allocated memory. Otherwise, save the array in *list_arg
* and return 0.
*/
static int
remoteConfigGetStringList(virConfPtr conf, const char *key, char ***list_arg,
const char *filename)
{
char **list;
virConfValuePtr p = virConfGetValue(conf, key);
if (!p)
return 0;
switch (p->type) {
case VIR_CONF_STRING:
if (VIR_ALLOC_N(list, 2) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("failed to allocate memory for %s config list"),
key);
return -1;
}
if (VIR_STRDUP(list[0], p->str) < 0) {
VIR_FREE(list);
return -1;
}
list[1] = NULL;
break;
case VIR_CONF_LIST: {
int len = 0;
size_t i;
virConfValuePtr pp;
for (pp = p->list; pp; pp = pp->next)
len++;
if (VIR_ALLOC_N(list, 1+len) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("failed to allocate memory for %s config list"),
key);
return -1;
}
for (i = 0, pp = p->list; pp; ++i, pp = pp->next) {
if (pp->type != VIR_CONF_STRING) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("remoteReadConfigFile: %s: %s:"
" must be a string or list of strings"),
filename, key);
VIR_FREE(list);
return -1;
}
if (VIR_STRDUP(list[i], pp->str) < 0) {
size_t j;
for (j = 0; j < i; j++)
VIR_FREE(list[j]);
VIR_FREE(list);
return -1;
}
}
list[i] = NULL;
break;
}
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("remoteReadConfigFile: %s: %s:"
" must be a string or list of strings"),
filename, key);
return -1;
}
*list_arg = list;
return 0;
}
/* A helper function used by each of the following macros. */
static int
checkType(virConfValuePtr p, const char *filename,
const char *key, virConfType required_type)
{
if (p->type != required_type) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("remoteReadConfigFile: %s: %s: invalid type:"
" got %s; expected %s"), filename, key,
virConfTypeToString(p->type),
virConfTypeToString(required_type));
return -1;
}
return 0;
}
/* If there is no config data for the key, #var_name, then do nothing.
If there is valid data of type VIR_CONF_STRING, and VIR_STRDUP succeeds,
store the result in var_name. Otherwise, (i.e. invalid type, or VIR_STRDUP
failure), give a diagnostic and "goto" the cleanup-and-fail label. */
#define GET_CONF_STR(conf, filename, var_name) \
do { \
virConfValuePtr p = virConfGetValue(conf, #var_name); \
if (p) { \
if (checkType(p, filename, #var_name, VIR_CONF_STRING) < 0) \
goto error; \
VIR_FREE(data->var_name); \
if (VIR_STRDUP(data->var_name, p->str) < 0) \
goto error; \
} \
} while (0)
/* Like GET_CONF_STR, but for signed integral values. */
#define GET_CONF_INT(conf, filename, var_name) \
do { \
virConfValuePtr p = virConfGetValue(conf, #var_name); \
if (p) { \
if (p->type != VIR_CONF_ULONG && \
checkType(p, filename, #var_name, VIR_CONF_LONG) < 0) \
goto error; \
data->var_name = p->l; \
} \
} while (0)
/* Like GET_CONF_STR, but for unsigned integral values. */
#define GET_CONF_UINT(conf, filename, var_name) \
do { \
virConfValuePtr p = virConfGetValue(conf, #var_name); \
if (p) { \
if (checkType(p, filename, #var_name, VIR_CONF_ULONG) < 0) \
goto error; \
data->var_name = p->l; \
} \
} while (0)
static int
remoteConfigGetAuth(virConfPtr conf,
const char *key,
int *auth,
const char *filename)
{
virConfValuePtr p;
p = virConfGetValue(conf, key);
if (!p)
return 0;
if (checkType(p, filename, key, VIR_CONF_STRING) < 0)
return -1;
if (!p->str)
return 0;
if (STREQ(p->str, "none")) {
*auth = VIR_NET_SERVER_SERVICE_AUTH_NONE;
#if WITH_SASL
} else if (STREQ(p->str, "sasl")) {
*auth = VIR_NET_SERVER_SERVICE_AUTH_SASL;
#endif
} else if (STREQ(p->str, "polkit")) {
*auth = VIR_NET_SERVER_SERVICE_AUTH_POLKIT;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("remoteReadConfigFile: %s: %s: unsupported auth %s"),
filename, key, p->str);
return -1;
}
return 0;
}
int
daemonConfigFilePath(bool privileged, char **configfile)
{
if (privileged) {
if (VIR_STRDUP(*configfile, SYSCONFDIR "/libvirt/libvirtd.conf") < 0)
goto error;
} else {
char *configdir = NULL;
if (!(configdir = virGetUserConfigDirectory()))
goto error;
if (virAsprintf(configfile, "%s/libvirtd.conf", configdir) < 0) {
VIR_FREE(configdir);
goto error;
}
VIR_FREE(configdir);
}
return 0;
error:
return -1;
}
struct daemonConfig*
daemonConfigNew(bool privileged ATTRIBUTE_UNUSED)
{
struct daemonConfig *data;
char *localhost;
int ret;
if (VIR_ALLOC(data) < 0)
return NULL;
data->listen_tls = 1;
data->listen_tcp = 0;
if (VIR_STRDUP(data->tls_port, LIBVIRTD_TLS_PORT) < 0 ||
VIR_STRDUP(data->tcp_port, LIBVIRTD_TCP_PORT) < 0)
goto error;
/* Only default to PolicyKit if running as root */
#if WITH_POLKIT
if (privileged) {
data->auth_unix_rw = REMOTE_AUTH_POLKIT;
data->auth_unix_ro = REMOTE_AUTH_POLKIT;
} else {
#endif
data->auth_unix_rw = REMOTE_AUTH_NONE;
data->auth_unix_ro = REMOTE_AUTH_NONE;
#if WITH_POLKIT
}
#endif
if (VIR_STRDUP(data->unix_sock_rw_perms,
data->auth_unix_rw == REMOTE_AUTH_POLKIT ? "0777" : "0700") < 0 ||
VIR_STRDUP(data->unix_sock_ro_perms, "0777") < 0 ||
VIR_STRDUP(data->unix_sock_admin_perms, "0700") < 0)
goto error;
#if WITH_SASL
data->auth_tcp = REMOTE_AUTH_SASL;
#else
data->auth_tcp = REMOTE_AUTH_NONE;
#endif
data->auth_tls = REMOTE_AUTH_NONE;
data->mdns_adv = 0;
data->min_workers = 5;
data->max_workers = 20;
data->max_clients = 5000;
data->max_queued_clients = 1000;
data->max_anonymous_clients = 20;
data->prio_workers = 5;
data->max_requests = 20;
data->max_client_requests = 5;
data->audit_level = 1;
data->audit_logging = 0;
data->keepalive_interval = 5;
data->keepalive_count = 5;
data->admin_min_workers = 5;
data->admin_max_workers = 20;
data->admin_max_clients = 5000;
data->admin_max_queued_clients = 20;
data->admin_max_client_requests = 5;
data->admin_keepalive_interval = 5;
data->admin_keepalive_count = 5;
localhost = virGetHostname();
if (localhost == NULL) {
/* we couldn't resolve the hostname; assume that we are
* running in disconnected operation, and report a less
* useful Avahi string
*/
ret = VIR_STRDUP(data->mdns_name, "Virtualization Host");
} else {
char *tmp;
/* Extract the host part of the potentially FQDN */
if ((tmp = strchr(localhost, '.')))
*tmp = '\0';
ret = virAsprintf(&data->mdns_name, "Virtualization Host %s",
localhost);
}
VIR_FREE(localhost);
if (ret < 0)
goto error;
return data;
error:
daemonConfigFree(data);
return NULL;
}
void
daemonConfigFree(struct daemonConfig *data)
{
char **tmp;
if (!data)
return;
VIR_FREE(data->listen_addr);
VIR_FREE(data->tls_port);
VIR_FREE(data->tcp_port);
tmp = data->access_drivers;
while (tmp && *tmp) {
VIR_FREE(*tmp);
tmp++;
}
VIR_FREE(data->access_drivers);
VIR_FREE(data->unix_sock_admin_perms);
VIR_FREE(data->unix_sock_ro_perms);
VIR_FREE(data->unix_sock_rw_perms);
VIR_FREE(data->unix_sock_group);
VIR_FREE(data->unix_sock_dir);
VIR_FREE(data->mdns_name);
tmp = data->tls_allowed_dn_list;
while (tmp && *tmp) {
VIR_FREE(*tmp);
tmp++;
}
VIR_FREE(data->tls_allowed_dn_list);
tmp = data->sasl_allowed_username_list;
while (tmp && *tmp) {
VIR_FREE(*tmp);
tmp++;
}
VIR_FREE(data->sasl_allowed_username_list);
VIR_FREE(data->key_file);
VIR_FREE(data->ca_file);
VIR_FREE(data->cert_file);
VIR_FREE(data->crl_file);
VIR_FREE(data->host_uuid);
VIR_FREE(data->log_filters);
VIR_FREE(data->log_outputs);
VIR_FREE(data);
}
static int
daemonConfigLoadOptions(struct daemonConfig *data,
const char *filename,
virConfPtr conf)
{
GET_CONF_UINT(conf, filename, listen_tcp);
GET_CONF_UINT(conf, filename, listen_tls);
GET_CONF_STR(conf, filename, tls_port);
GET_CONF_STR(conf, filename, tcp_port);
GET_CONF_STR(conf, filename, listen_addr);
if (remoteConfigGetAuth(conf, "auth_unix_rw", &data->auth_unix_rw, filename) < 0)
goto error;
#if WITH_POLKIT
/* Change default perms to be wide-open if PolicyKit is enabled.
* Admin can always override in config file
*/
if (data->auth_unix_rw == REMOTE_AUTH_POLKIT) {
VIR_FREE(data->unix_sock_rw_perms);
if (VIR_STRDUP(data->unix_sock_rw_perms, "0777") < 0)
goto error;
}
#endif
if (remoteConfigGetAuth(conf, "auth_unix_ro", &data->auth_unix_ro, filename) < 0)
goto error;
if (remoteConfigGetAuth(conf, "auth_tcp", &data->auth_tcp, filename) < 0)
goto error;
if (remoteConfigGetAuth(conf, "auth_tls", &data->auth_tls, filename) < 0)
goto error;
if (remoteConfigGetStringList(conf, "access_drivers",
&data->access_drivers, filename) < 0)
goto error;
GET_CONF_STR(conf, filename, unix_sock_group);
GET_CONF_STR(conf, filename, unix_sock_admin_perms);
GET_CONF_STR(conf, filename, unix_sock_ro_perms);
GET_CONF_STR(conf, filename, unix_sock_rw_perms);
GET_CONF_STR(conf, filename, unix_sock_dir);
GET_CONF_UINT(conf, filename, mdns_adv);
GET_CONF_STR(conf, filename, mdns_name);
GET_CONF_UINT(conf, filename, tls_no_sanity_certificate);
GET_CONF_UINT(conf, filename, tls_no_verify_certificate);
GET_CONF_STR(conf, filename, key_file);
GET_CONF_STR(conf, filename, cert_file);
GET_CONF_STR(conf, filename, ca_file);
GET_CONF_STR(conf, filename, crl_file);
if (remoteConfigGetStringList(conf, "tls_allowed_dn_list",
&data->tls_allowed_dn_list, filename) < 0)
goto error;
if (remoteConfigGetStringList(conf, "sasl_allowed_username_list",
&data->sasl_allowed_username_list, filename) < 0)
goto error;
GET_CONF_UINT(conf, filename, min_workers);
GET_CONF_UINT(conf, filename, max_workers);
GET_CONF_UINT(conf, filename, max_clients);
GET_CONF_UINT(conf, filename, max_queued_clients);
GET_CONF_UINT(conf, filename, max_anonymous_clients);
GET_CONF_UINT(conf, filename, prio_workers);
GET_CONF_INT(conf, filename, max_requests);
GET_CONF_UINT(conf, filename, max_client_requests);
GET_CONF_UINT(conf, filename, admin_min_workers);
GET_CONF_UINT(conf, filename, admin_max_workers);
GET_CONF_UINT(conf, filename, admin_max_clients);
GET_CONF_UINT(conf, filename, admin_max_queued_clients);
GET_CONF_UINT(conf, filename, admin_max_client_requests);
GET_CONF_UINT(conf, filename, audit_level);
GET_CONF_UINT(conf, filename, audit_logging);
GET_CONF_STR(conf, filename, host_uuid);
GET_CONF_UINT(conf, filename, log_level);
GET_CONF_STR(conf, filename, log_filters);
GET_CONF_STR(conf, filename, log_outputs);
GET_CONF_INT(conf, filename, keepalive_interval);
GET_CONF_UINT(conf, filename, keepalive_count);
GET_CONF_INT(conf, filename, admin_keepalive_interval);
GET_CONF_UINT(conf, filename, admin_keepalive_count);
return 0;
error:
return -1;
}
/* Read the config file if it exists.
* Only used in the remote case, hence the name.
*/
int
daemonConfigLoadFile(struct daemonConfig *data,
const char *filename,
bool allow_missing)
{
virConfPtr conf;
int ret;
if (allow_missing &&
access(filename, R_OK) == -1 &&
errno == ENOENT)
return 0;
conf = virConfReadFile(filename, 0);
if (!conf)
return -1;
ret = daemonConfigLoadOptions(data, filename, conf);
virConfFree(conf);
return ret;
}
int daemonConfigLoadData(struct daemonConfig *data,
const char *filename,
const char *filedata)
{
virConfPtr conf;
int ret;
conf = virConfReadMem(filedata, strlen(filedata), 0);
if (!conf)
return -1;
ret = daemonConfigLoadOptions(data, filename, conf);
virConfFree(conf);
return ret;
}

View File

@@ -1,106 +0,0 @@
/*
* libvirtd-config.h: daemon start of day, guest process & i/o management
*
* Copyright (C) 2006-2012, 2015 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __LIBVIRTD_CONFIG_H__
# define __LIBVIRTD_CONFIG_H__
# include "internal.h"
struct daemonConfig {
char *host_uuid;
int listen_tls;
int listen_tcp;
char *listen_addr;
char *tls_port;
char *tcp_port;
char *unix_sock_admin_perms;
char *unix_sock_ro_perms;
char *unix_sock_rw_perms;
char *unix_sock_group;
char *unix_sock_dir;
int auth_unix_rw;
int auth_unix_ro;
int auth_tcp;
int auth_tls;
char **access_drivers;
int mdns_adv;
char *mdns_name;
int tls_no_verify_certificate;
int tls_no_sanity_certificate;
char **tls_allowed_dn_list;
char **sasl_allowed_username_list;
char *key_file;
char *cert_file;
char *ca_file;
char *crl_file;
int min_workers;
int max_workers;
int max_clients;
int max_queued_clients;
int max_anonymous_clients;
int prio_workers;
int max_requests;
int max_client_requests;
int log_level;
char *log_filters;
char *log_outputs;
int audit_level;
int audit_logging;
int keepalive_interval;
unsigned int keepalive_count;
int admin_min_workers;
int admin_max_workers;
int admin_max_clients;
int admin_max_queued_clients;
int admin_max_client_requests;
int admin_keepalive_interval;
unsigned int admin_keepalive_count;
};
int daemonConfigFilePath(bool privileged, char **configfile);
struct daemonConfig* daemonConfigNew(bool privileged);
void daemonConfigFree(struct daemonConfig *data);
int daemonConfigLoadFile(struct daemonConfig *data,
const char *filename,
bool allow_missing);
int daemonConfigLoadData(struct daemonConfig *data,
const char *filename,
const char *filedata);
#endif /* __LIBVIRTD_CONFIG_H__ */

View File

@@ -1,113 +0,0 @@
(* /etc/libvirt/libvirtd.conf *)
module Libvirtd =
autoload xfm
let eol = del /[ \t]*\n/ "\n"
let value_sep = del /[ \t]*=[ \t]*/ " = "
let indent = del /[ \t]*/ ""
let array_sep = del /,[ \t\n]*/ ", "
let array_start = del /\[[ \t\n]*/ "[ "
let array_end = del /\]/ "]"
let str_val = del /\"/ "\"" . store /[^\"]*/ . del /\"/ "\""
let bool_val = store /0|1/
let int_val = store /[0-9]+/
let str_array_element = [ seq "el" . str_val ] . del /[ \t\n]*/ ""
let str_array_val = counter "el" . array_start . ( str_array_element . ( array_sep . str_array_element ) * ) ? . array_end
let str_entry (kw:string) = [ key kw . value_sep . str_val ]
let bool_entry (kw:string) = [ key kw . value_sep . bool_val ]
let int_entry (kw:string) = [ key kw . value_sep . int_val ]
let str_array_entry (kw:string) = [ key kw . value_sep . str_array_val ]
(* Config entry grouped by function - same order as example config *)
let network_entry = bool_entry "listen_tls"
| bool_entry "listen_tcp"
| str_entry "tls_port"
| str_entry "tcp_port"
| str_entry "listen_addr"
| bool_entry "mdns_adv"
| str_entry "mdns_name"
let sock_acl_entry = str_entry "unix_sock_group"
| str_entry "unix_sock_ro_perms"
| str_entry "unix_sock_rw_perms"
| str_entry "unix_sock_admin_perms"
| str_entry "unix_sock_dir"
let authentication_entry = str_entry "auth_unix_ro"
| str_entry "auth_unix_rw"
| str_entry "auth_tcp"
| str_entry "auth_tls"
let certificate_entry = str_entry "key_file"
| str_entry "cert_file"
| str_entry "ca_file"
| str_entry "crl_file"
let authorization_entry = bool_entry "tls_no_verify_certificate"
| bool_entry "tls_no_sanity_certificate"
| str_array_entry "tls_allowed_dn_list"
| str_array_entry "sasl_allowed_username_list"
| str_array_entry "access_drivers"
let processing_entry = int_entry "min_workers"
| int_entry "max_workers"
| int_entry "max_clients"
| int_entry "max_queued_clients"
| int_entry "max_anonymous_clients"
| int_entry "max_requests"
| int_entry "max_client_requests"
| int_entry "prio_workers"
let admin_processing_entry = int_entry "admin_min_workers"
| int_entry "admin_max_workers"
| int_entry "admin_max_clients"
| int_entry "admin_max_queued_clients"
| int_entry "admin_max_client_requests"
let logging_entry = int_entry "log_level"
| str_entry "log_filters"
| str_entry "log_outputs"
| int_entry "log_buffer_size"
let auditing_entry = int_entry "audit_level"
| bool_entry "audit_logging"
let keepalive_entry = int_entry "keepalive_interval"
| int_entry "keepalive_count"
| bool_entry "keepalive_required"
let admin_keepalive_entry = int_entry "admin_keepalive_interval"
| int_entry "admin_keepalive_count"
| bool_entry "admin_keepalive_required"
let misc_entry = str_entry "host_uuid"
(* Each enty in the config is one of the following three ... *)
let entry = network_entry
| sock_acl_entry
| authentication_entry
| certificate_entry
| authorization_entry
| processing_entry
| admin_processing_entry
| logging_entry
| auditing_entry
| keepalive_entry
| admin_keepalive_entry
| misc_entry
let comment = [ label "#comment" . del /#[ \t]*/ "# " . store /([^ \t\n][^\n]*)?/ . del /\n/ "\n" ]
let empty = [ label "#empty" . eol ]
let record = indent . entry . eol
let lns = ( record | comment | empty ) *
let filter = incl "/etc/libvirt/libvirtd.conf"
. Util.stdexcl
let xfm = transform lns filter

File diff suppressed because it is too large Load Diff

View File

@@ -1,460 +0,0 @@
# Master libvirt daemon configuration file
#
# For further information consult http://libvirt.org/format.html
#
# NOTE: the tests/daemon-conf regression test script requires
# that each "PARAMETER = VALUE" line in this file have the parameter
# name just after a leading "#".
#################################################################
#
# Network connectivity controls
#
# Flag listening for secure TLS connections on the public TCP/IP port.
# NB, must pass the --listen flag to the libvirtd process for this to
# have any effect.
#
# It is necessary to setup a CA and issue server certificates before
# using this capability.
#
# This is enabled by default, uncomment this to disable it
#listen_tls = 0
# Listen for unencrypted TCP connections on the public TCP/IP port.
# NB, must pass the --listen flag to the libvirtd process for this to
# have any effect.
#
# Using the TCP socket requires SASL authentication by default. Only
# SASL mechanisms which support data encryption are allowed. This is
# DIGEST_MD5 and GSSAPI (Kerberos5)
#
# This is disabled by default, uncomment this to enable it.
#listen_tcp = 1
# Override the port for accepting secure TLS connections
# This can be a port number, or service name
#
#tls_port = "16514"
# Override the port for accepting insecure TCP connections
# This can be a port number, or service name
#
#tcp_port = "16509"
# Override the default configuration which binds to all network
# interfaces. This can be a numeric IPv4/6 address, or hostname
#
# If the libvirtd service is started in parallel with network
# startup (e.g. with systemd), binding to addresses other than
# the wildcards (0.0.0.0/::) might not be available yet.
#
#listen_addr = "192.168.0.1"
# Flag toggling mDNS advertizement of the libvirt service.
#
# Alternatively can disable for all services on a host by
# stopping the Avahi daemon
#
# This is disabled by default, uncomment this to enable it
#mdns_adv = 1
# Override the default mDNS advertizement name. This must be
# unique on the immediate broadcast network.
#
# The default is "Virtualization Host HOSTNAME", where HOSTNAME
# is substituted for the short hostname of the machine (without domain)
#
#mdns_name = "Virtualization Host Joe Demo"
#################################################################
#
# UNIX socket access controls
#
# Beware that if you are changing *any* of these options, and you use
# socket activation with systemd, you need to adjust the settings in
# the libvirtd.socket file as well since it could impose a security
# risk if you rely on file permission checking only.
# Set the UNIX domain socket group ownership. This can be used to
# allow a 'trusted' set of users access to management capabilities
# without becoming root.
#
# This is restricted to 'root' by default.
#unix_sock_group = "libvirt"
# Set the UNIX socket permissions for the R/O socket. This is used
# for monitoring VM status only
#
# Default allows any user. If setting group ownership, you may want to
# restrict this too.
#unix_sock_ro_perms = "0777"
# Set the UNIX socket permissions for the R/W socket. This is used
# for full management of VMs
#
# Default allows only root. If PolicyKit is enabled on the socket,
# the default will change to allow everyone (eg, 0777)
#
# If not using PolicyKit and setting group ownership for access
# control, then you may want to relax this too.
#unix_sock_rw_perms = "0770"
# Set the UNIX socket permissions for the admin interface socket.
#
# Default allows only owner (root), do not change it unless you are
# sure to whom you are exposing the access to.
#unix_sock_admin_perms = "0700"
# Set the name of the directory in which sockets will be found/created.
#unix_sock_dir = "/var/run/libvirt"
#################################################################
#
# Authentication.
#
# - none: do not perform auth checks. If you can connect to the
# socket you are allowed. This is suitable if there are
# restrictions on connecting to the socket (eg, UNIX
# socket permissions), or if there is a lower layer in
# the network providing auth (eg, TLS/x509 certificates)
#
# - sasl: use SASL infrastructure. The actual auth scheme is then
# controlled from /etc/sasl2/libvirt.conf. For the TCP
# socket only GSSAPI & DIGEST-MD5 mechanisms will be used.
# For non-TCP or TLS sockets, any scheme is allowed.
#
# - polkit: use PolicyKit to authenticate. This is only suitable
# for use on the UNIX sockets. The default policy will
# require a user to supply their own password to gain
# full read/write access (aka sudo like), while anyone
# is allowed read/only access.
#
# Set an authentication scheme for UNIX read-only sockets
# By default socket permissions allow anyone to connect
#
# To restrict monitoring of domains you may wish to enable
# an authentication mechanism here
#auth_unix_ro = "none"
# Set an authentication scheme for UNIX read-write sockets
# By default socket permissions only allow root. If PolicyKit
# support was compiled into libvirt, the default will be to
# use 'polkit' auth.
#
# If the unix_sock_rw_perms are changed you may wish to enable
# an authentication mechanism here
#auth_unix_rw = "none"
# Change the authentication scheme for TCP sockets.
#
# If you don't enable SASL, then all TCP traffic is cleartext.
# Don't do this outside of a dev/test scenario. For real world
# use, always enable SASL and use the GSSAPI or DIGEST-MD5
# mechanism in /etc/sasl2/libvirt.conf
#auth_tcp = "sasl"
# Change the authentication scheme for TLS sockets.
#
# TLS sockets already have encryption provided by the TLS
# layer, and limited authentication is done by certificates
#
# It is possible to make use of any SASL authentication
# mechanism as well, by using 'sasl' for this option
#auth_tls = "none"
# Change the API access control scheme
#
# By default an authenticated user is allowed access
# to all APIs. Access drivers can place restrictions
# on this. By default the 'nop' driver is enabled,
# meaning no access control checks are done once a
# client has authenticated with libvirtd
#
#access_drivers = [ "polkit" ]
#################################################################
#
# TLS x509 certificate configuration
#
# Override the default server key file path
#
#key_file = "/etc/pki/libvirt/private/serverkey.pem"
# Override the default server certificate file path
#
#cert_file = "/etc/pki/libvirt/servercert.pem"
# Override the default CA certificate path
#
#ca_file = "/etc/pki/CA/cacert.pem"
# Specify a certificate revocation list.
#
# Defaults to not using a CRL, uncomment to enable it
#crl_file = "/etc/pki/CA/crl.pem"
#################################################################
#
# Authorization controls
#
# Flag to disable verification of our own server certificates
#
# When libvirtd starts it performs some sanity checks against
# its own certificates.
#
# Default is to always run sanity checks. Uncommenting this
# will disable sanity checks which is not a good idea
#tls_no_sanity_certificate = 1
# Flag to disable verification of client certificates
#
# Client certificate verification is the primary authentication mechanism.
# Any client which does not present a certificate signed by the CA
# will be rejected.
#
# Default is to always verify. Uncommenting this will disable
# verification - make sure an IP whitelist is set
#tls_no_verify_certificate = 1
# A whitelist of allowed x509 Distinguished Names
# This list may contain wildcards such as
#
# "C=GB,ST=London,L=London,O=Red Hat,CN=*"
#
# See the POSIX fnmatch function for the format of the wildcards.
#
# NB If this is an empty list, no client can connect, so comment out
# entirely rather than using empty list to disable these checks
#
# By default, no DN's are checked
#tls_allowed_dn_list = ["DN1", "DN2"]
# A whitelist of allowed SASL usernames. The format for usernames
# depends on the SASL authentication mechanism. Kerberos usernames
# look like username@REALM
#
# This list may contain wildcards such as
#
# "*@EXAMPLE.COM"
#
# See the POSIX fnmatch function for the format of the wildcards.
#
# NB If this is an empty list, no client can connect, so comment out
# entirely rather than using empty list to disable these checks
#
# By default, no Username's are checked
#sasl_allowed_username_list = ["joe@EXAMPLE.COM", "fred@EXAMPLE.COM" ]
#################################################################
#
# Processing controls
#
# The maximum number of concurrent client connections to allow
# over all sockets combined.
#max_clients = 5000
# The maximum length of queue of connections waiting to be
# accepted by the daemon. Note, that some protocols supporting
# retransmission may obey this so that a later reattempt at
# connection succeeds.
#max_queued_clients = 1000
# The maximum length of queue of accepted but not yet
# authenticated clients. The default value is zero, meaning
# the feature is disabled.
#max_anonymous_clients = 20
# The minimum limit sets the number of workers to start up
# initially. If the number of active clients exceeds this,
# then more threads are spawned, up to max_workers limit.
# Typically you'd want max_workers to equal maximum number
# of clients allowed
#min_workers = 5
#max_workers = 20
# The number of priority workers. If all workers from above
# pool are stuck, some calls marked as high priority
# (notably domainDestroy) can be executed in this pool.
#prio_workers = 5
# Total global limit on concurrent RPC calls. Should be
# at least as large as max_workers. Beyond this, RPC requests
# will be read into memory and queued. This directly impacts
# memory usage, currently each request requires 256 KB of
# memory. So by default up to 5 MB of memory is used
#
# XXX this isn't actually enforced yet, only the per-client
# limit is used so far
#max_requests = 20
# Limit on concurrent requests from a single client
# connection. To avoid one client monopolizing the server
# this should be a small fraction of the global max_requests
# and max_workers parameter
#max_client_requests = 5
# Same processing controls, but this time for the admin interface.
# For description of each option, be so kind to scroll few lines
# upwards.
#admin_min_workers = 1
#admin_max_workers = 5
#admin_max_clients = 5
#admin_max_queued_clients = 5
#admin_max_client_requests = 5
#################################################################
#
# Logging controls
#
# Logging level: 4 errors, 3 warnings, 2 information, 1 debug
# basically 1 will log everything possible
# Note: Journald may employ rate limiting of the messages logged
# and thus lock up the libvirt daemon. To use the debug level with
# journald you have to specify it explicitly in 'log_outputs', otherwise
# only information level messages will be logged.
#log_level = 3
# Logging filters:
# A filter allows to select a different logging level for a given category
# of logs
# The format for a filter is one of:
# x:name
# x:+name
# where name is a string which is matched against the category
# given in the VIR_LOG_INIT() at the top of each libvirt source
# file, e.g., "remote", "qemu", or "util.json" (the name in the
# filter can be a substring of the full category name, in order
# to match multiple similar categories), the optional "+" prefix
# tells libvirt to log stack trace for each message matching
# name, and x is the minimal level where matching messages should
# be logged:
# 1: DEBUG
# 2: INFO
# 3: WARNING
# 4: ERROR
#
# Multiple filters can be defined in a single @filters, they just need to be
# separated by spaces.
#
# e.g. to only get warning or errors from the remote layer and only errors
# from the event layer:
#log_filters="3:remote 4:event"
# Logging outputs:
# An output is one of the places to save logging information
# The format for an output can be:
# x:stderr
# output goes to stderr
# x:syslog:name
# use syslog for the output and use the given name as the ident
# x:file:file_path
# output to a file, with the given filepath
# x:journald
# output to journald logging system
# In all case the x prefix is the minimal level, acting as a filter
# 1: DEBUG
# 2: INFO
# 3: WARNING
# 4: ERROR
#
# Multiple outputs can be defined, they just need to be separated by spaces.
# e.g. to log all warnings and errors to syslog under the libvirtd ident:
#log_outputs="3:syslog:libvirtd"
#
# Log debug buffer size:
#
# This configuration option is no longer used, since the global
# log buffer functionality has been removed. Please configure
# suitable log_outputs/log_filters settings to obtain logs.
#log_buffer_size = 64
##################################################################
#
# Auditing
#
# This setting allows usage of the auditing subsystem to be altered:
#
# audit_level == 0 -> disable all auditing
# audit_level == 1 -> enable auditing, only if enabled on host (default)
# audit_level == 2 -> enable auditing, and exit if disabled on host
#
#audit_level = 2
#
# If set to 1, then audit messages will also be sent
# via libvirt logging infrastructure. Defaults to 0
#
#audit_logging = 1
###################################################################
# UUID of the host:
# Provide the UUID of the host here in case the command
# 'dmidecode -s system-uuid' does not provide a valid uuid. In case
# 'dmidecode' does not provide a valid UUID and none is provided here, a
# temporary UUID will be generated.
# Keep the format of the example UUID below. UUID must not have all digits
# be the same.
# NB This default all-zeros UUID will not work. Replace
# it with the output of the 'uuidgen' command and then
# uncomment this entry
#host_uuid = "00000000-0000-0000-0000-000000000000"
###################################################################
# Keepalive protocol:
# This allows libvirtd to detect broken client connections or even
# dead clients. A keepalive message is sent to a client after
# keepalive_interval seconds of inactivity to check if the client is
# still responding; keepalive_count is a maximum number of keepalive
# messages that are allowed to be sent to the client without getting
# any response before the connection is considered broken. In other
# words, the connection is automatically closed approximately after
# keepalive_interval * (keepalive_count + 1) seconds since the last
# message received from the client. If keepalive_interval is set to
# -1, libvirtd will never send keepalive requests; however clients
# can still send them and the daemon will send responses. When
# keepalive_count is set to 0, connections will be automatically
# closed after keepalive_interval seconds of inactivity without
# sending any keepalive messages.
#
#keepalive_interval = 5
#keepalive_count = 5
#
# These configuration options are no longer used. There is no way to
# restrict such clients from connecting since they first need to
# connect in order to ask for keepalive.
#
#keepalive_required = 1
#admin_keepalive_required = 1
# Keepalive settings for the admin interface
#admin_keepalive_interval = 5
#admin_keepalive_count = 5

View File

@@ -1,92 +0,0 @@
/*
* libvirtd.h: daemon data structure definitions
*
* Copyright (C) 2006-2015 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef LIBVIRTD_H__
# define LIBVIRTD_H__
# define VIR_ENUM_SENTINELS
# include <rpc/types.h>
# include <rpc/xdr.h>
# include "remote_protocol.h"
# include "admin_protocol.h"
# include "lxc_protocol.h"
# include "qemu_protocol.h"
# include "virthread.h"
# if WITH_SASL
# include "virnetsaslcontext.h"
# endif
# include "virnetserverprogram.h"
typedef struct daemonClientStream daemonClientStream;
typedef daemonClientStream *daemonClientStreamPtr;
typedef struct daemonClientPrivate daemonClientPrivate;
typedef daemonClientPrivate *daemonClientPrivatePtr;
typedef struct daemonAdmClientPrivate daemonAdmClientPrivate;
typedef daemonAdmClientPrivate *daemonAdmClientPrivatePtr;
typedef struct daemonClientEventCallback daemonClientEventCallback;
typedef daemonClientEventCallback *daemonClientEventCallbackPtr;
/* Stores the per-client connection state */
struct daemonClientPrivate {
/* Hold while accessing any data except conn */
virMutex lock;
daemonClientEventCallbackPtr *domainEventCallbacks;
size_t ndomainEventCallbacks;
daemonClientEventCallbackPtr *networkEventCallbacks;
size_t nnetworkEventCallbacks;
daemonClientEventCallbackPtr *qemuEventCallbacks;
size_t nqemuEventCallbacks;
bool closeRegistered;
# if WITH_SASL
virNetSASLSessionPtr sasl;
# endif
/* This is only valid if a remote open call has been made on this
* connection, otherwise it will be NULL. Also if remote close is
* called, it will be set back to NULL if that succeeds.
*/
virConnectPtr conn;
daemonClientStreamPtr streams;
};
/* Separate private data for admin connection */
struct daemonAdmClientPrivate {
/* Just a placeholder, not that there is anything to be locked */
virMutex lock;
virNetDaemonPtr dmn;
};
# if WITH_SASL
extern virNetSASLContextPtr saslCtxt;
# endif
extern virNetServerProgramPtr remoteProgram;
extern virNetServerProgramPtr qemuProgram;
#endif

View File

@@ -1,122 +0,0 @@
#!/bin/sh
# the following is the LSB init header see
# http://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/initscrcomconv.html
#
### BEGIN INIT INFO
# Provides: libvirtd
# Default-Start: 3 4 5
# Default-Stop: 0 1 2 6
# Required-Start: $network messagebus virtlogd
# Required-Stop: $network messagebus
# Should-Start: $named xend avahi-daemon virtlockd
# Should-Stop: $named
# Short-Description: daemon for libvirt virtualization API
# Description: This is a daemon for managing guest instances
# and libvirt virtual networks
# See http://libvirt.org
### END INIT INFO
# the following is chkconfig init header
#
# libvirtd: guest and virtual network management daemon
#
# chkconfig: 345 97 03
# description: This is a daemon for managing guest instances \
# and libvirt virtual networks \
# See http://libvirt.org
#
# processname: libvirtd
# pidfile: @localstatedir@/run/libvirtd.pid
#
# Source function library.
. @sysconfdir@/rc.d/init.d/functions
SERVICE=libvirtd
PROCESS=libvirtd
PIDFILE=@localstatedir@/run/$SERVICE.pid
LIBVIRTD_CONFIG=
LIBVIRTD_ARGS=
KRB5_KTNAME=/etc/libvirt/krb5.tab
test -f @sysconfdir@/sysconfig/libvirtd && . @sysconfdir@/sysconfig/libvirtd
export QEMU_AUDIO_DRV
export SDL_AUDIODRIVER
LIBVIRTD_CONFIG_ARGS=
if [ -n "$LIBVIRTD_CONFIG" ]
then
LIBVIRTD_CONFIG_ARGS="--config $LIBVIRTD_CONFIG"
fi
RETVAL=0
start() {
echo -n $"Starting $SERVICE daemon: "
mkdir -p @localstatedir@/cache/libvirt
rm -rf @localstatedir@/cache/libvirt/*
# LIBVIRTD_NOFILES_LIMIT from /etc/sysconfig/libvirtd is not handled
# automatically
if [ -n "$LIBVIRTD_NOFILES_LIMIT" ]; then
ulimit -n "$LIBVIRTD_NOFILES_LIMIT"
fi
KRB5_KTNAME=$KRB5_KTNAME daemon --pidfile $PIDFILE --check $SERVICE $PROCESS --daemon $LIBVIRTD_CONFIG_ARGS $LIBVIRTD_ARGS
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch @localstatedir@/lock/subsys/$SERVICE
}
stop() {
echo -n $"Stopping $SERVICE daemon: "
killproc -p $PIDFILE $PROCESS
RETVAL=$?
echo
if [ $RETVAL -eq 0 ]; then
rm -f @localstatedir@/lock/subsys/$SERVICE
rm -rf @localstatedir@/cache/libvirt/*
else
exit $RETVAL
fi
}
restart() {
stop
start
}
reload() {
echo -n $"Reloading $SERVICE configuration: "
killproc -p $PIDFILE $PROCESS -HUP
RETVAL=$?
echo
return $RETVAL
}
# See how we were called.
case "$1" in
start|stop|restart|reload)
$1
;;
status)
status -p $PIDFILE $PROCESS
RETVAL=$?
;;
force-reload)
reload
;;
condrestart|try-restart)
[ -f @localstatedir@/lock/subsys/$SERVICE ] && restart || :
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|reload|force-reload|try-restart}"
exit 2
;;
esac
exit $RETVAL

View File

@@ -1,9 +0,0 @@
@localstatedir@/log/libvirt/libxl/*.log {
weekly
missingok
rotate 4
compress
delaycompress
copytruncate
minsize 100k
}

View File

@@ -1,9 +0,0 @@
@localstatedir@/log/libvirt/libvirtd.log {
weekly
missingok
rotate 4
compress
delaycompress
copytruncate
minsize 100k
}

View File

@@ -1,9 +0,0 @@
@localstatedir@/log/libvirt/lxc/*.log {
weekly
missingok
rotate 4
compress
delaycompress
copytruncate
minsize 100k
}

View File

@@ -1,208 +0,0 @@
=head1 NAME
libvirtd - libvirtd management daemon
=head1 SYNOPSIS
B<libvirtd> [ -dlv ] [ -f config_file ] [ -p pid_file ] [ -t timeout_seconds ]
B<libvirtd> --version
=head1 DESCRIPTION
The B<libvirtd> program is the server side daemon component of the libvirt
virtualization management system.
This daemon runs on host servers and performs required management tasks for
virtualized guests. This includes activities such as starting, stopping
and migrating guests between host servers, configuring and manipulating
networking, and managing storage for use by guests.
The libvirt client libraries and utilities connect to this daemon to issue
tasks and collect information about the configuration and resources of the host
system and guests.
By default, the libvirtd daemon listens for requests on a local Unix domain
socket. Using the B<-l>|B<--listen> command line option, the libvirtd daemon
can be instructed to additionally listen on a TCP/IP socket. The TCP/IP socket
to use is defined in the libvirtd configuration file.
Restarting libvirtd does not impact running guests. Guests continue to operate
and will be picked up automatically if their XML configuration has been
defined. Any guests whose XML configuration has not been defined will be lost
from the configuration.
=head1 OPTIONS
=over
=item B<-h, --help>
Display command line help usage then exit.
=item B<-d, --daemon>
Run as a daemon & write PID file.
=item B<-f, --config> I<FILE>
Use this configuration file, overriding the default value.
=item B<-l, --listen>
Listen for TCP/IP connections.
=item B<-p, --pid-file> I<FILE>
Use this name for the PID file, overriding the default value.
=item B<-t, --timeout> I<SECONDS>
Exit after timeout period (in seconds) elapse with no client connections
or registered resources. Be aware that resources such as autostart
networks will result in never reaching the timeout, even when there are
no client connections.
=item B<-v, --verbose>
Enable output of verbose messages.
=item B< --version>
Display version information then exit.
=back
=head1 SIGNALS
On receipt of B<SIGHUP> libvirtd will reload its configuration.
=head1 FILES
=head2 When run as B<root>.
=over
=item F<SYSCONFDIR/libvirtd.conf>
The default configuration file used by libvirtd, unless overridden on the
command line using the B<-f>|B<--config> option.
=item F<LOCALSTATEDIR/run/libvirt/libvirt-sock>
=item F<LOCALSTATEDIR/run/libvirt/libvirt-sock-ro>
The sockets libvirtd will use.
=item F<SYSCONFDIR/pki/CA/cacert.pem>
The TLS B<Certificate Authority> certificate libvirtd will use.
=item F<SYSCONFDIR/pki/libvirt/servercert.pem>
The TLS B<Server> certificate libvirtd will use.
=item F<SYSCONFDIR/pki/libvirt/private/serverkey.pem>
The TLS B<Server> private key libvirtd will use.
=item F<LOCALSTATEDIR/run/libvirtd.pid>
The PID file to use, unless overridden by the B<-p>|B<--pid-file> option.
=back
=head2 When run as B<non-root>.
=over
=item F<$XDG_CONFIG_HOME/libvirtd.conf>
The default configuration file used by libvirtd, unless overridden on the
command line using the B<-f>|B<--config> option.
=item F<$XDG_RUNTIME_DIR/libvirt/libvirt-sock>
The socket libvirtd will use.
=item F<$HOME/.pki/libvirt/cacert.pem>
The TLS B<Certificate Authority> certificate libvirtd will use.
=item F<$HOME/.pki/libvirt/servercert.pem>
The TLS B<Server> certificate libvirtd will use.
=item F<$HOME/.pki/libvirt/serverkey.pem>
The TLS B<Server> private key libvirtd will use.
=item F<$XDG_RUNTIME_DIR/libvirt/libvirtd.pid>
The PID file to use, unless overridden by the B<-p>|B<--pid-file> option.
=item If $XDG_CONFIG_HOME is not set in your environment, libvirtd will use F<$HOME/.config>
=item If $XDG_RUNTIME_DIR is not set in your environment, libvirtd will use F<$HOME/.cache>
=back
=head1 EXAMPLES
To retrieve the version of libvirtd:
# libvirtd --version
libvirtd (libvirt) 0.8.2
#
To start libvirtd, instructing it to daemonize and create a PID file:
# libvirtd -d
# ls -la LOCALSTATEDIR/run/libvirtd.pid
-rw-r--r-- 1 root root 6 Jul 9 02:40 LOCALSTATEDIR/run/libvirtd.pid
#
=head1 BUGS
Please report all bugs you discover. This should be done via either:
=over
=item a) the mailing list
L<http://libvirt.org/contact.html>
=item or,
B<>
=item b) the bug tracker
L<http://libvirt.org/bugs.html>
=item Alternatively, you may report bugs to your software distributor / vendor.
=back
=head1 AUTHORS
Please refer to the AUTHORS file distributed with libvirt.
=head1 COPYRIGHT
Copyright (C) 2006-2012 Red Hat, Inc., and the authors listed in the
libvirt AUTHORS file.
=head1 LICENSE
libvirtd is distributed under the terms of the GNU LGPL v2.1+.
This is free software; see the source for copying conditions. There
is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE
=head1 SEE ALSO
L<virsh(1)>, L<virt-install(1)>, L<virt-xml-validate(1)>, L<virt-top(1)>,
L<virt-df(1)>, L<http://www.libvirt.org/>
=cut

View File

@@ -1,51 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE policyconfig PUBLIC
"-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
"http://www.freedesktop.org/standards/PolicyKit/1.0/policyconfig.dtd">
<!--
Policy definitions for libvirt daemon
Copyright (C) 2012 Red Hat, Inc.
Copyright (C) 2007 Daniel P. Berrange <berrange redhat com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see
<http://www.gnu.org/licenses/>.
-->
<policyconfig>
<action id="org.libvirt.unix.monitor">
<description>Monitor local virtualized systems</description>
<message>System policy prevents monitoring of local virtualized systems</message>
<defaults>
<!-- Any program can use libvirt in read-only mode for monitoring,
even if not part of a session -->
<allow_any>yes</allow_any>
<allow_inactive>yes</allow_inactive>
<allow_active>yes</allow_active>
</defaults>
</action>
<action id="org.libvirt.unix.manage">
<description>Manage local virtualized systems</description>
<message>System policy prevents management of local virtualized systems</message>
<defaults>
<!-- Any program can use libvirt in read/write mode if they
provide the root password -->
<allow_any>@authaction@</allow_any>
<allow_inactive>@authaction@</allow_inactive>
<allow_active>@authaction@</allow_active>
</defaults>
</action>
</policyconfig>

View File

@@ -1,9 +0,0 @@
@localstatedir@/log/libvirt/qemu/*.log {
weekly
missingok
rotate 4
compress
delaycompress
copytruncate
minsize 100k
}

View File

@@ -1,31 +0,0 @@
# If you want to use the non-TLS socket, then you *must* include
# the GSSAPI or DIGEST-MD5 mechanisms, because they are the only
# ones that can offer session encryption as well as authentication.
#
# If you're only using TLS, then you can turn on any mechanisms
# you like for authentication, because TLS provides the encryption
#
# Default to a simple username+password mechanism
mech_list: digest-md5
# Before you can use GSSAPI, you need a service principle on the
# KDC server for libvirt, and that to be exported to the keytab
# file listed below
#mech_list: gssapi
#
# You can also list many mechanisms at once, then the user can choose
# by adding '?auth=sasl.gssapi' to their libvirt URI, eg
# qemu+tcp://hostname/system?auth=sasl.gssapi
#mech_list: digest-md5 gssapi
# Some older builds of MIT kerberos on Linux ignore this option &
# instead need KRB5_KTNAME env var.
# For modern Linux, and other OS, this should be sufficient
#
# There is no default value here, uncomment if you need this
#keytab: /etc/libvirt/krb5.tab
# If using digest-md5 for username/passwds, then this is the file
# containing the passwds. Use 'saslpasswd2 -a libvirt [username]'
# to add entries, and 'sasldblistusers2 -f [sasldb_path]' to browse it
sasldb_path: /etc/libvirt/passwd.db

View File

@@ -1,26 +0,0 @@
[Unit]
Description=Virtualization daemon
Before=libvirt-guests.service
After=network.target
After=dbus.service
After=iscsid.service
After=apparmor.service
After=local-fs.target
After=remote-fs.target
Documentation=man:libvirtd(8)
Documentation=http://libvirt.org
[Service]
Type=notify
EnvironmentFile=-/etc/sysconfig/libvirtd
ExecStart=@sbindir@/libvirtd $LIBVIRTD_ARGS
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
# Override the maximum number of opened files
#LimitNOFILE=2048
[Install]
WantedBy=multi-user.target
Also=virtlockd.socket
Also=virtlogd.socket

View File

@@ -1,11 +0,0 @@
[Socket]
ListenStream=@runstatedir@/libvirt/libvirt-sock
ListenStream=@runstatedir@/libvirt/libvirt-sock-ro
; The following settings must match libvirtd.conf file in order to
; work as expected because libvirtd can't change them later.
; SocketMode=0777 is safe only if authentication on the socket is set
; up. For further information, please see the libvirtd.conf file.
SocketMode=0777
SocketUser=root
SocketGroup=root

View File

@@ -1,33 +0,0 @@
# Override the default config file
# NOTE: This setting is no longer honoured if using
# systemd. Set '--config /etc/libvirt/libvirtd.conf'
# in LIBVIRTD_ARGS instead.
#LIBVIRTD_CONFIG=/etc/libvirt/libvirtd.conf
# Listen for TCP/IP connections
# NB. must setup TLS/SSL keys prior to using this
#LIBVIRTD_ARGS="--listen"
# Override Kerberos service keytab for SASL/GSSAPI
#KRB5_KTNAME=/etc/libvirt/krb5.tab
# Override the QEMU/SDL default audio driver probing when
# starting virtual machines using SDL graphics
#
# NB these have no effect for VMs using VNC, unless vnc_allow_host_audio
# is enabled in /etc/libvirt/qemu.conf
#QEMU_AUDIO_DRV=sdl
#
#SDL_AUDIODRIVER=pulse
# Override the maximum number of opened files.
# This only works with traditional init scripts.
# In the systemd world, the limit can only be changed by overriding
# LimitNOFILE for libvirtd.service. To do that, just create a *.conf
# file in /etc/systemd/system/libvirtd.service.d/ (for example
# /etc/systemd/system/libvirtd.service.d/openfiles.conf) and write
# the following two lines in it:
# [Service]
# LimitNOFILE=2048
#
#LIBVIRTD_NOFILES_LIMIT=2048

View File

@@ -1,8 +0,0 @@
# The kernel allocates aio memory on demand, and this number limits the
# number of parallel aio requests; the only drawback of a larger limit is
# that a malicious guest could issue parallel requests to cause the kernel
# to set aside memory. Set this number at least as large as
# 128 * (number of virtual disks on the host)
# Libvirt uses a default of 1M requests to allow 8k disks, with at most
# 64M of kernel memory if all disks hit an aio request at the same time.
fs.aio-max-nr = 1048576

View File

@@ -1,9 +0,0 @@
@localstatedir@/log/libvirt/uml/*.log {
weekly
missingok
rotate 4
compress
delaycompress
copytruncate
minsize 100k
}

View File

@@ -1,47 +0,0 @@
# libvirtd upstart job
#
# XXX wait for rc to get all dependent initscripts started
# from sysv libvirtd initscript: Required-Start: $network messagebus
start on stopped rc RUNLEVEL=[345]
stop on runlevel [!345]
respawn
script
LIBVIRTD_CONFIG=
LIBVIRTD_ARGS=
KRB5_KTNAME=/etc/libvirt/krb5.tab
if [ -f /etc/sysconfig/libvirtd ]; then
. /etc/sysconfig/libvirtd
fi
export QEMU_AUDIO_DRV
export SDL_AUDIODRIVER
export KRB5_KTNAME
LIBVIRTD_CONFIG_ARGS=
if [ -n "$LIBVIRTD_CONFIG" ]; then
LIBVIRTD_CONFIG_ARGS="--config $LIBVIRTD_CONFIG"
fi
# DAEMON_COREFILE_LIMIT from /etc/sysconfig/libvirtd is not handled
# automatically
if [ -n "$DAEMON_COREFILE_LIMIT" ]; then
ulimit -c "$DAEMON_COREFILE_LIMIT"
fi
# LIBVIRTD_NOFILES_LIMIT from /etc/sysconfig/libvirtd is not handled
# automatically
if [ -n "$LIBVIRTD_NOFILES_LIMIT" ]; then
ulimit -n "$LIBVIRTD_NOFILES_LIMIT"
fi
mkdir -p /var/cache/libvirt
rm -rf /var/cache/libvirt/*
exec /usr/sbin/libvirtd $LIBVIRTD_CONFIG_ARGS $LIBVIRTD_ARGS
end script
post-stop script
rm -rf /var/cache/libvirt/*
end script

File diff suppressed because it is too large Load Diff

View File

@@ -1,45 +0,0 @@
/*
* remote.h: handlers for RPC method calls
*
* Copyright (C) 2007, 2008, 2009 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Richard W.M. Jones <rjones@redhat.com>
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __LIBVIRTD_REMOTE_H__
# define __LIBVIRTD_REMOTE_H__
# include "remote_protocol.h"
# include "rpc/virnetserverprogram.h"
# include "rpc/virnetserverclient.h"
extern virNetServerProgramProc remoteProcs[];
extern size_t remoteNProcs;
extern virNetServerProgramProc lxcProcs[];
extern size_t lxcNProcs;
extern virNetServerProgramProc qemuProcs[];
extern size_t qemuNProcs;
void remoteClientFreeFunc(void *data);
void *remoteClientInitHook(virNetServerClientPtr client,
void *opaque);
#endif /* __LIBVIRTD_REMOTE_H__ */

View File

@@ -1,777 +0,0 @@
/*
* stream.c: APIs for managing client streams
*
* Copyright (C) 2009-2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#include <config.h>
#include "stream.h"
#include "remote.h"
#include "viralloc.h"
#include "virlog.h"
#include "virnetserverclient.h"
#include "virerror.h"
#define VIR_FROM_THIS VIR_FROM_STREAMS
VIR_LOG_INIT("daemon.stream");
struct daemonClientStream {
daemonClientPrivatePtr priv;
int refs;
virNetServerProgramPtr prog;
virStreamPtr st;
int procedure;
int serial;
unsigned int recvEOF : 1;
unsigned int closed : 1;
int filterID;
virNetMessagePtr rx;
int tx;
daemonClientStreamPtr next;
};
static int
daemonStreamHandleWrite(virNetServerClientPtr client,
daemonClientStream *stream);
static int
daemonStreamHandleRead(virNetServerClientPtr client,
daemonClientStream *stream);
static int
daemonStreamHandleFinish(virNetServerClientPtr client,
daemonClientStream *stream,
virNetMessagePtr msg);
static int
daemonStreamHandleAbort(virNetServerClientPtr client,
daemonClientStream *stream,
virNetMessagePtr msg);
static void
daemonStreamUpdateEvents(daemonClientStream *stream)
{
int newEvents = 0;
if (stream->rx)
newEvents |= VIR_STREAM_EVENT_WRITABLE;
if (stream->tx && !stream->recvEOF)
newEvents |= VIR_STREAM_EVENT_READABLE;
virStreamEventUpdateCallback(stream->st, newEvents);
}
/*
* Invoked when an outgoing data packet message has been fully sent.
* This simply re-enables TX of further data.
*
* The idea is to stop the daemon growing without bound due to
* fast stream, but slow client
*/
static void
daemonStreamMessageFinished(virNetMessagePtr msg ATTRIBUTE_UNUSED,
void *opaque)
{
daemonClientStream *stream = opaque;
VIR_DEBUG("stream=%p proc=%d serial=%d",
stream, msg->header.proc, msg->header.serial);
stream->tx = 1;
daemonStreamUpdateEvents(stream);
daemonFreeClientStream(NULL, stream);
}
/*
* Callback that gets invoked when a stream becomes writable/readable
*/
static void
daemonStreamEvent(virStreamPtr st, int events, void *opaque)
{
virNetServerClientPtr client = opaque;
daemonClientStream *stream;
daemonClientPrivatePtr priv = virNetServerClientGetPrivateData(client);
virMutexLock(&priv->lock);
stream = priv->streams;
while (stream) {
if (stream->st == st)
break;
stream = stream->next;
}
if (!stream) {
VIR_WARN("event for client=%p stream st=%p, but missing stream state", client, st);
virStreamEventRemoveCallback(st);
goto cleanup;
}
VIR_DEBUG("st=%p events=%d EOF=%d closed=%d", st, events, stream->recvEOF, stream->closed);
if (!stream->closed &&
(events & VIR_STREAM_EVENT_WRITABLE)) {
if (daemonStreamHandleWrite(client, stream) < 0) {
daemonRemoveClientStream(client, stream);
virNetServerClientClose(client);
goto cleanup;
}
}
if (!stream->closed && !stream->recvEOF &&
(events & (VIR_STREAM_EVENT_READABLE))) {
events = events & ~(VIR_STREAM_EVENT_READABLE);
if (daemonStreamHandleRead(client, stream) < 0) {
daemonRemoveClientStream(client, stream);
virNetServerClientClose(client);
goto cleanup;
}
/* If we detected EOF during read processing,
* then clear hangup/error conditions, since
* we want the client to see the EOF message
* we just sent them
*/
if (stream->recvEOF)
events = events & ~(VIR_STREAM_EVENT_HANGUP |
VIR_STREAM_EVENT_ERROR);
}
/* If we have a completion/abort message, always process it */
if (stream->rx) {
virNetMessagePtr msg = stream->rx;
switch (msg->header.status) {
case VIR_NET_CONTINUE:
/* nada */
break;
case VIR_NET_OK:
virNetMessageQueueServe(&stream->rx);
if (daemonStreamHandleFinish(client, stream, msg) < 0) {
virNetMessageFree(msg);
daemonRemoveClientStream(client, stream);
virNetServerClientClose(client);
goto cleanup;
}
break;
case VIR_NET_ERROR:
default:
virNetMessageQueueServe(&stream->rx);
if (daemonStreamHandleAbort(client, stream, msg) < 0) {
virNetMessageFree(msg);
daemonRemoveClientStream(client, stream);
virNetServerClientClose(client);
goto cleanup;
}
break;
}
}
/* If we got HANGUP, we need to only send an empty
* packet so the client sees an EOF and cleans up
*/
if (!stream->closed && !stream->recvEOF &&
(events & VIR_STREAM_EVENT_HANGUP)) {
virNetMessagePtr msg;
events &= ~(VIR_STREAM_EVENT_HANGUP);
stream->tx = 0;
stream->recvEOF = 1;
if (!(msg = virNetMessageNew(false))) {
daemonRemoveClientStream(client, stream);
virNetServerClientClose(client);
goto cleanup;
}
msg->cb = daemonStreamMessageFinished;
msg->opaque = stream;
stream->refs++;
if (virNetServerProgramSendStreamData(remoteProgram,
client,
msg,
stream->procedure,
stream->serial,
"", 0) < 0) {
virNetMessageFree(msg);
daemonRemoveClientStream(client, stream);
virNetServerClientClose(client);
goto cleanup;
}
}
if (!stream->closed &&
(events & (VIR_STREAM_EVENT_ERROR | VIR_STREAM_EVENT_HANGUP))) {
int ret;
virNetMessagePtr msg;
virNetMessageError rerr;
memset(&rerr, 0, sizeof(rerr));
stream->closed = 1;
virStreamEventRemoveCallback(stream->st);
virStreamAbort(stream->st);
if (events & VIR_STREAM_EVENT_HANGUP)
virReportError(VIR_ERR_RPC,
"%s", _("stream had unexpected termination"));
else
virReportError(VIR_ERR_RPC,
"%s", _("stream had I/O failure"));
msg = virNetMessageNew(false);
if (!msg) {
ret = -1;
} else {
ret = virNetServerProgramSendStreamError(remoteProgram,
client,
msg,
&rerr,
stream->procedure,
stream->serial);
}
daemonRemoveClientStream(client, stream);
if (ret < 0)
virNetServerClientClose(client);
goto cleanup;
}
if (stream->closed) {
daemonRemoveClientStream(client, stream);
} else {
daemonStreamUpdateEvents(stream);
}
cleanup:
virMutexUnlock(&priv->lock);
}
/*
* @client: a locked client object
*
* Invoked by the main loop when filtering incoming messages.
*
* Returns 1 if the message was processed, 0 if skipped,
* -1 on fatal client error
*/
static int
daemonStreamFilter(virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg,
void *opaque)
{
daemonClientStream *stream = opaque;
int ret = 0;
virMutexLock(&stream->priv->lock);
if (msg->header.type != VIR_NET_STREAM)
goto cleanup;
if (!virNetServerProgramMatches(stream->prog, msg))
goto cleanup;
if (msg->header.proc != stream->procedure ||
msg->header.serial != stream->serial)
goto cleanup;
VIR_DEBUG("Incoming client=%p, rx=%p, serial=%d, proc=%d, status=%d",
client, stream->rx, msg->header.proc,
msg->header.serial, msg->header.status);
virNetMessageQueuePush(&stream->rx, msg);
daemonStreamUpdateEvents(stream);
ret = 1;
cleanup:
virMutexUnlock(&stream->priv->lock);
return ret;
}
/*
* @conn: a connection object to associate the stream with
* @header: the method call to associate with the stream
*
* Creates a new stream for this conn
*
* Returns a new stream object, or NULL upon OOM
*/
daemonClientStream *
daemonCreateClientStream(virNetServerClientPtr client,
virStreamPtr st,
virNetServerProgramPtr prog,
virNetMessageHeaderPtr header)
{
daemonClientStream *stream;
daemonClientPrivatePtr priv = virNetServerClientGetPrivateData(client);
VIR_DEBUG("client=%p, proc=%d, serial=%d, st=%p",
client, header->proc, header->serial, st);
if (VIR_ALLOC(stream) < 0)
return NULL;
stream->refs = 1;
stream->priv = priv;
stream->prog = virObjectRef(prog);
stream->procedure = header->proc;
stream->serial = header->serial;
stream->filterID = -1;
stream->st = st;
return stream;
}
/*
* @stream: an unused client stream
*
* Frees the memory associated with this inactive client
* stream
*/
int daemonFreeClientStream(virNetServerClientPtr client,
daemonClientStream *stream)
{
virNetMessagePtr msg;
int ret = 0;
if (!stream)
return 0;
stream->refs--;
if (stream->refs)
return 0;
VIR_DEBUG("client=%p, proc=%d, serial=%d",
client, stream->procedure, stream->serial);
virObjectUnref(stream->prog);
msg = stream->rx;
while (msg) {
virNetMessagePtr tmp = msg->next;
if (client) {
/* Send a dummy reply to free up 'msg' & unblock client rx */
virNetMessageClear(msg);
msg->header.type = VIR_NET_REPLY;
if (virNetServerClientSendMessage(client, msg) < 0) {
virNetServerClientImmediateClose(client);
virNetMessageFree(msg);
ret = -1;
}
} else {
virNetMessageFree(msg);
}
msg = tmp;
}
virObjectUnref(stream->st);
VIR_FREE(stream);
return ret;
}
/*
* @client: a locked client to add the stream to
* @stream: a stream to add
*/
int daemonAddClientStream(virNetServerClientPtr client,
daemonClientStream *stream,
bool transmit)
{
VIR_DEBUG("client=%p, proc=%d, serial=%d, st=%p, transmit=%d",
client, stream->procedure, stream->serial, stream->st, transmit);
daemonClientPrivatePtr priv = virNetServerClientGetPrivateData(client);
if (stream->filterID != -1) {
VIR_WARN("Filter already added to client %p", client);
return -1;
}
if (virStreamEventAddCallback(stream->st, 0,
daemonStreamEvent, client,
virObjectFreeCallback) < 0)
return -1;
virObjectRef(client);
if ((stream->filterID = virNetServerClientAddFilter(client,
daemonStreamFilter,
stream)) < 0) {
virStreamEventRemoveCallback(stream->st);
return -1;
}
if (transmit)
stream->tx = 1;
virMutexLock(&priv->lock);
stream->next = priv->streams;
priv->streams = stream;
daemonStreamUpdateEvents(stream);
virMutexUnlock(&priv->lock);
return 0;
}
/*
* @client: a locked client object
* @stream: an inactive, closed stream object
*
* Removes a stream from the list of active streams for the client
*
* Returns 0 if the stream was removd, -1 if it doesn't exist
*/
int
daemonRemoveClientStream(virNetServerClientPtr client,
daemonClientStream *stream)
{
VIR_DEBUG("client=%p, proc=%d, serial=%d, st=%p",
client, stream->procedure, stream->serial, stream->st);
daemonClientPrivatePtr priv = virNetServerClientGetPrivateData(client);
daemonClientStream *curr = priv->streams;
daemonClientStream *prev = NULL;
if (stream->filterID != -1) {
virNetServerClientRemoveFilter(client,
stream->filterID);
stream->filterID = -1;
}
if (!stream->closed) {
virStreamEventRemoveCallback(stream->st);
virStreamAbort(stream->st);
}
while (curr) {
if (curr == stream) {
if (prev)
prev->next = curr->next;
else
priv->streams = curr->next;
return daemonFreeClientStream(client, stream);
}
prev = curr;
curr = curr->next;
}
return -1;
}
void
daemonRemoveAllClientStreams(daemonClientStream *stream)
{
daemonClientStream *tmp;
VIR_DEBUG("stream=%p", stream);
while (stream) {
tmp = stream->next;
if (!stream->closed) {
virStreamEventRemoveCallback(stream->st);
virStreamAbort(stream->st);
}
daemonFreeClientStream(NULL, stream);
VIR_DEBUG("next stream=%p", tmp);
stream = tmp;
}
}
/*
* Returns:
* -1 if fatal error occurred
* 0 if message was fully processed
* 1 if message is still being processed
*/
static int
daemonStreamHandleWriteData(virNetServerClientPtr client,
daemonClientStream *stream,
virNetMessagePtr msg)
{
int ret;
VIR_DEBUG("client=%p, stream=%p, proc=%d, serial=%d, len=%zu, offset=%zu",
client, stream, msg->header.proc, msg->header.serial,
msg->bufferLength, msg->bufferOffset);
ret = virStreamSend(stream->st,
msg->buffer + msg->bufferOffset,
msg->bufferLength - msg->bufferOffset);
if (ret > 0) {
msg->bufferOffset += ret;
/* Partial write, so indicate we have more todo later */
if (msg->bufferOffset < msg->bufferLength)
return 1;
} else if (ret == -2) {
/* Blocking, so indicate we have more todo later */
return 1;
} else {
virNetMessageError rerr;
memset(&rerr, 0, sizeof(rerr));
VIR_INFO("Stream send failed");
stream->closed = 1;
return virNetServerProgramSendReplyError(stream->prog,
client,
msg,
&rerr,
&msg->header);
}
return 0;
}
/*
* Process a finish handshake from the client.
*
* Returns a VIR_NET_OK confirmation if successful, or a VIR_NET_ERROR
* if there was a stream error
*
* Returns 0 if successfully sent RPC reply, -1 upon fatal error
*/
static int
daemonStreamHandleFinish(virNetServerClientPtr client,
daemonClientStream *stream,
virNetMessagePtr msg)
{
int ret;
VIR_DEBUG("client=%p, stream=%p, proc=%d, serial=%d",
client, stream, msg->header.proc, msg->header.serial);
stream->closed = 1;
virStreamEventRemoveCallback(stream->st);
ret = virStreamFinish(stream->st);
if (ret < 0) {
virNetMessageError rerr;
memset(&rerr, 0, sizeof(rerr));
return virNetServerProgramSendReplyError(stream->prog,
client,
msg,
&rerr,
&msg->header);
} else {
/* Send zero-length confirm */
return virNetServerProgramSendStreamData(stream->prog,
client,
msg,
stream->procedure,
stream->serial,
NULL, 0);
}
}
/*
* Process an abort request from the client.
*
* Returns 0 if successfully aborted, -1 upon error
*/
static int
daemonStreamHandleAbort(virNetServerClientPtr client,
daemonClientStream *stream,
virNetMessagePtr msg)
{
VIR_DEBUG("client=%p, stream=%p, proc=%d, serial=%d",
client, stream, msg->header.proc, msg->header.serial);
virNetMessageError rerr;
memset(&rerr, 0, sizeof(rerr));
stream->closed = 1;
virStreamEventRemoveCallback(stream->st);
virStreamAbort(stream->st);
if (msg->header.status == VIR_NET_ERROR) {
virReportError(VIR_ERR_RPC,
"%s", _("stream aborted at client request"));
} else {
VIR_WARN("unexpected stream status %d", msg->header.status);
virReportError(VIR_ERR_RPC,
_("stream aborted with unexpected status %d"),
msg->header.status);
}
return virNetServerProgramSendReplyError(remoteProgram,
client,
msg,
&rerr,
&msg->header);
}
/*
* Called when the stream is signalled has being able to accept
* data writes. Will process all pending incoming messages
* until they're all gone, or I/O blocks
*
* Returns 0 on success, or -1 upon fatal error
*/
static int
daemonStreamHandleWrite(virNetServerClientPtr client,
daemonClientStream *stream)
{
VIR_DEBUG("client=%p, stream=%p", client, stream);
while (stream->rx && !stream->closed) {
virNetMessagePtr msg = stream->rx;
int ret;
switch (msg->header.status) {
case VIR_NET_OK:
ret = daemonStreamHandleFinish(client, stream, msg);
break;
case VIR_NET_CONTINUE:
ret = daemonStreamHandleWriteData(client, stream, msg);
break;
case VIR_NET_ERROR:
default:
ret = daemonStreamHandleAbort(client, stream, msg);
break;
}
if (ret > 0)
break; /* still processing data from msg */
virNetMessageQueueServe(&stream->rx);
if (ret < 0) {
virNetMessageFree(msg);
virNetServerClientImmediateClose(client);
return -1;
}
/* 'CONTINUE' messages don't send a reply (unless error
* occurred), so to release the 'msg' object we need to
* send a fake zero-length reply. Nothing actually gets
* onto the wire, but this causes the client to reset
* its active request count / throttling
*/
if (msg->header.status == VIR_NET_CONTINUE) {
virNetMessageClear(msg);
msg->header.type = VIR_NET_REPLY;
if (virNetServerClientSendMessage(client, msg) < 0) {
virNetMessageFree(msg);
virNetServerClientImmediateClose(client);
return -1;
}
}
}
return 0;
}
/*
* Invoked when a stream is signalled as having data
* available to read. This reads up to one message
* worth of data, and then queues that for transmission
* to the client.
*
* Returns 0 if data was queued for TX, or a error RPC
* was sent, or -1 on fatal error, indicating client should
* be killed
*/
static int
daemonStreamHandleRead(virNetServerClientPtr client,
daemonClientStream *stream)
{
char *buffer;
size_t bufferLen = VIR_NET_MESSAGE_LEGACY_PAYLOAD_MAX;
int ret;
VIR_DEBUG("client=%p, stream=%p tx=%d closed=%d",
client, stream, stream->tx, stream->closed);
/* We might have had an event pending before we shut
* down the stream, so if we're marked as closed,
* then do nothing
*/
if (stream->closed)
return 0;
/* Shouldn't ever be called unless we're marked able to
* transmit, but doesn't hurt to check */
if (!stream->tx)
return 0;
if (VIR_ALLOC_N(buffer, bufferLen) < 0)
return -1;
ret = virStreamRecv(stream->st, buffer, bufferLen);
if (ret == -2) {
/* Should never get this, since we're only called when we know
* we're readable, but hey things change... */
ret = 0;
} else if (ret < 0) {
virNetMessagePtr msg;
virNetMessageError rerr;
memset(&rerr, 0, sizeof(rerr));
if (!(msg = virNetMessageNew(false)))
ret = -1;
else
ret = virNetServerProgramSendStreamError(remoteProgram,
client,
msg,
&rerr,
stream->procedure,
stream->serial);
} else {
virNetMessagePtr msg;
stream->tx = 0;
if (ret == 0)
stream->recvEOF = 1;
if (!(msg = virNetMessageNew(false)))
ret = -1;
if (msg) {
msg->cb = daemonStreamMessageFinished;
msg->opaque = stream;
stream->refs++;
ret = virNetServerProgramSendStreamData(remoteProgram,
client,
msg,
stream->procedure,
stream->serial,
buffer, ret);
}
}
VIR_FREE(buffer);
return ret;
}

View File

@@ -1,51 +0,0 @@
/*
* stream.h: APIs for managing client streams
*
* Copyright (C) 2009 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __LIBVIRTD_STREAM_H__
# define __LIBVIRTD_STREAM_H__
# include "libvirtd.h"
daemonClientStream *
daemonCreateClientStream(virNetServerClientPtr client,
virStreamPtr st,
virNetServerProgramPtr prog,
virNetMessageHeaderPtr hdr);
int daemonFreeClientStream(virNetServerClientPtr client,
daemonClientStream *stream);
int daemonAddClientStream(virNetServerClientPtr client,
daemonClientStream *stream,
bool transmit);
int
daemonRemoveClientStream(virNetServerClientPtr client,
daemonClientStream *stream);
void
daemonRemoveAllClientStreams(daemonClientStream *stream);
#endif /* __LIBVIRTD_STREAM_H__ */

View File

@@ -1,63 +0,0 @@
module Test_libvirtd =
::CONFIG::
test Libvirtd.lns get conf =
{ "listen_tls" = "0" }
{ "listen_tcp" = "1" }
{ "tls_port" = "16514" }
{ "tcp_port" = "16509" }
{ "listen_addr" = "192.168.0.1" }
{ "mdns_adv" = "1" }
{ "mdns_name" = "Virtualization Host Joe Demo" }
{ "unix_sock_group" = "libvirt" }
{ "unix_sock_ro_perms" = "0777" }
{ "unix_sock_rw_perms" = "0770" }
{ "unix_sock_admin_perms" = "0700" }
{ "unix_sock_dir" = "/var/run/libvirt" }
{ "auth_unix_ro" = "none" }
{ "auth_unix_rw" = "none" }
{ "auth_tcp" = "sasl" }
{ "auth_tls" = "none" }
{ "access_drivers"
{ "1" = "polkit" }
}
{ "key_file" = "/etc/pki/libvirt/private/serverkey.pem" }
{ "cert_file" = "/etc/pki/libvirt/servercert.pem" }
{ "ca_file" = "/etc/pki/CA/cacert.pem" }
{ "crl_file" = "/etc/pki/CA/crl.pem" }
{ "tls_no_sanity_certificate" = "1" }
{ "tls_no_verify_certificate" = "1" }
{ "tls_allowed_dn_list"
{ "1" = "DN1"}
{ "2" = "DN2"}
}
{ "sasl_allowed_username_list"
{ "1" = "joe@EXAMPLE.COM" }
{ "2" = "fred@EXAMPLE.COM" }
}
{ "max_clients" = "5000" }
{ "max_queued_clients" = "1000" }
{ "max_anonymous_clients" = "20" }
{ "min_workers" = "5" }
{ "max_workers" = "20" }
{ "prio_workers" = "5" }
{ "max_requests" = "20" }
{ "max_client_requests" = "5" }
{ "admin_min_workers" = "1" }
{ "admin_max_workers" = "5" }
{ "admin_max_clients" = "5" }
{ "admin_max_queued_clients" = "5" }
{ "admin_max_client_requests" = "5" }
{ "log_level" = "3" }
{ "log_filters" = "3:remote 4:event" }
{ "log_outputs" = "3:syslog:libvirtd" }
{ "log_buffer_size" = "64" }
{ "audit_level" = "2" }
{ "audit_logging" = "1" }
{ "host_uuid" = "00000000-0000-0000-0000-000000000000" }
{ "keepalive_interval" = "5" }
{ "keepalive_count" = "5" }
{ "keepalive_required" = "1" }
{ "admin_keepalive_required" = "1" }
{ "admin_keepalive_interval" = "5" }
{ "admin_keepalive_count" = "5" }

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Before

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View File

@@ -1,24 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>404 page not found</h1>
<p>
Someone appears to have eaten the <del>penguin</del>
page you were looking for. You might want to try
</p>
<ul>
<li>going back to the <a href="http://libvirt.org/">home page</a> to find
a collection of links to interesting pages on this site</li>
<li>using the search box at the top right corner of the screen to
locate the content on this site or mailing list archives</li>
</ul>
<p class="image">
<img src="/libvirtLogo404.png" alt="libvirt Logo"/>
</p>
</body>
</html>

View File

@@ -1,370 +0,0 @@
## Process this file with automake to produce Makefile.in
## Copyright (C) 2005-2016 Red Hat, Inc.
##
## This library is free software; you can redistribute it and/or
## modify it under the terms of the GNU Lesser General Public
## License as published by the Free Software Foundation; either
## version 2.1 of the License, or (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public
## License along with this library. If not, see
## <http://www.gnu.org/licenses/>.
PERL = perl
# The directory containing the source code (if it contains documentation).
DOC_SOURCE_DIR=../src
DEVHELP_DIR=$(datadir)/gtk-doc/html/libvirt
apihtml = \
html/index.html \
$(apihtml_generated)
apihtml_generated = \
html/libvirt-libvirt-domain.html \
html/libvirt-libvirt-domain-snapshot.html \
html/libvirt-libvirt-event.html \
html/libvirt-libvirt-host.html \
html/libvirt-libvirt-interface.html \
html/libvirt-libvirt-network.html \
html/libvirt-libvirt-nodedev.html \
html/libvirt-libvirt-nwfilter.html \
html/libvirt-libvirt-secret.html \
html/libvirt-libvirt-storage.html \
html/libvirt-libvirt-stream.html \
html/libvirt-virterror.html
apipng = \
html/left.png \
html/up.png \
html/home.png \
html/right.png
devhelphtml = \
devhelp/libvirt.devhelp \
devhelp/index.html \
devhelp/general.html \
devhelp/libvirt-virterror.html
css = \
generic.css \
libvirt.css \
main.css
devhelppng = \
devhelp/home.png \
devhelp/left.png \
devhelp/right.png \
devhelp/up.png
devhelpcss = devhelp/style.css
devhelpxsl = devhelp/devhelp.xsl devhelp/html.xsl
png = \
32favicon.png \
libvirt-header-bg.png \
libvirt-header-logo.png \
libvirtLogo.png \
libvirt-net-logical.png \
libvirt-net-physical.png \
libvirt-daemon-arch.png \
libvirt-driver-arch.png \
libvirt-object-model.png \
madeWith.png \
migration-managed-direct.png \
migration-managed-p2p.png \
migration-native.png \
migration-tunnel.png \
migration-unmanaged-direct.png
gif = \
architecture.gif \
node.gif
internals_html_in = \
$(patsubst $(srcdir)/%,%,$(wildcard $(srcdir)/internals/*.html.in))
internals_html = $(internals_html_in:%.html.in=%.html)
# todo.html is special - it is shipped in the tarball, but we
# have a dedicated 'todo' target to rebuild it from a proper
# config file, all other users are able to build it locally.
# For all other files, since we ship pre-built html in the
# tarball, we must also ship the sources, even when those
# sources are themselves generated.
dot_html_in = $(notdir $(wildcard $(srcdir)/*.html.in)) \
todo.html.in \
hvsupport.html.in
dot_html = $(dot_html_in:%.html.in=%.html)
dot_php_in = $(notdir $(wildcard $(srcdir)/*.php.in))
dot_php_code_in = $(dot_php_in:%.php.in=%.php.code.in)
dot_php = $(dot_php_in:%.php.in=%.php)
patches = $(patsubst $(srcdir)/%,%,$(wildcard $(srcdir)/api_extension/*.patch))
xml = \
libvirt-api.xml \
libvirt-refs.xml
qemu_xml = \
libvirt-qemu-api.xml \
libvirt-qemu-refs.xml
lxc_xml = \
libvirt-lxc-api.xml \
libvirt-lxc-refs.xml
admin_xml = \
libvirt-admin-api.xml \
libvirt-admin-refs.xml
apidir = $(pkgdatadir)/api
api_DATA = \
libvirt-api.xml \
libvirt-qemu-api.xml \
libvirt-lxc-api.xml
fig = \
libvirt-net-logical.fig \
libvirt-net-physical.fig \
libvirt-daemon-arch.fig \
libvirt-driver-arch.fig \
libvirt-object-model.fig \
migration-managed-direct.fig \
migration-managed-p2p.fig \
migration-native.fig \
migration-tunnel.fig \
migration-unmanaged-direct.fig
schemadir = $(pkgdatadir)/schemas
schema_DATA = $(wildcard $(srcdir)/schemas/*.rng)
EXTRA_DIST= \
apibuild.py genaclperms.pl \
site.xsl newapi.xsl news.xsl page.xsl \
hacking1.xsl hacking2.xsl wrapstring.xsl \
$(dot_html) $(dot_html_in) $(gif) $(apihtml) $(apipng) \
$(devhelphtml) $(devhelppng) $(devhelpcss) $(devhelpxsl) \
$(xml) $(qemu_xml) $(lxc_xml) $(fig) $(png) $(css) \
$(patches) $(dot_php_in) $(dot_php_code_in) $(dot_php)\
$(internals_html_in) $(internals_html) \
sitemap.html.in aclperms.htmlinc \
todo.pl hvsupport.pl todo.cfg-example \
$(schema_DATA)
acl_generated = aclperms.htmlinc
$(srcdir)/aclperms.htmlinc: $(top_srcdir)/src/access/viraccessperm.h \
$(srcdir)/genaclperms.pl Makefile.am
$(AM_V_GEN)$(PERL) $(srcdir)/genaclperms.pl $< > $@
MAINTAINERCLEANFILES = \
$(addprefix $(srcdir)/,$(dot_html)) \
$(addprefix $(srcdir)/,$(apihtml)) \
$(addprefix $(srcdir)/,$(devhelphtml)) \
$(addprefix $(srcdir)/,$(internals_html)) \
$(addprefix $(srcdir)/,$(dot_php)) \
$(srcdir)/hvsupport.html.in $(srcdir)/aclperms.htmlinc
all-am: web
api: $(srcdir)/libvirt-api.xml $(srcdir)/libvirt-refs.xml
qemu_api: $(srcdir)/libvirt-qemu-api.xml $(srcdir)/libvirt-qemu-refs.xml
lxc_api: $(srcdir)/libvirt-lxc-api.xml $(srcdir)/libvirt-lxc-refs.xml
admin_api: $(srcdir)/libvirt-admin-api.xml $(srcdir)/libvirt-admin-refs.xml
web: $(dot_html) $(internals_html) html/index.html devhelp/index.html \
$(dot_php)
todo.html.in: todo.pl
if [ -f todo.cfg ]; then \
echo "Generating $@"; \
$(PERL) $< > $@ \
|| { rm $@ && exit 1; }; \
else \
echo "Stubbing $@"; \
printf "%s\n" \
"<html xmlns=\"http://www.w3.org/1999/xhtml\">" \
"<body>" \
"<h1>Todo list unavailable: no config file</h1>" \
"</body></html>" > $@ ; \
fi
todo:
rm -f todo.html.in
$(MAKE) todo.html
hvsupport.html: $(srcdir)/hvsupport.html.in
$(srcdir)/hvsupport.html.in: $(srcdir)/hvsupport.pl $(api_DATA) \
$(top_srcdir)/src/libvirt_public.syms \
$(top_srcdir)/src/libvirt_qemu.syms $(top_srcdir)/src/libvirt_lxc.syms \
$(top_srcdir)/src/driver.h
$(AM_V_GEN)$(PERL) $(srcdir)/hvsupport.pl $(top_srcdir)/src > $@ \
|| { rm $@ && exit 1; }
.PHONY: todo
%.png: %.fig
convert -rotate 90 $< $@
%.html.tmp: %.html.in site.xsl subsite.xsl page.xsl \
sitemap.html.in $(acl_generated)
@if [ -x $(XSLTPROC) ] ; then \
echo "Generating $@"; \
name=`echo $@ | sed -e 's/.tmp//'`; \
dir=`dirname $@` ; \
if test "$$dir" = "."; \
then \
style=site.xsl; \
else \
$(MKDIR_P) $$dir; \
style=subsite.xsl; \
fi; \
$(XSLTPROC) --stringparam pagename $$name --nonet \
$(top_srcdir)/docs/$$style $< > $@ \
|| { rm $@ && exit 1; }; fi
%.html: %.html.tmp
@if test -x $(XMLLINT) && test -x $(XMLCATALOG) ; then \
if $(XMLCATALOG) '$(XML_CATALOG_FILE)' \
"-//W3C//DTD XHTML 1.0 Strict//EN" > /dev/null ; then \
echo "Validating $@" ; \
SGML_CATALOG_FILES='$(XML_CATALOG_FILE)' \
$(XMLLINT) --catalogs --nonet --format --valid $< > $(srcdir)/$@ \
|| { rm $(srcdir)/$@ && exit 1; }; \
else echo "missing XHTML1 DTD"; cat $< > $(srcdir)/$@ ; fi ; fi
%.php.tmp: %.php.in site.xsl page.xsl sitemap.html.in
@if [ -x $(XSLTPROC) ] ; then \
echo "Generating $@"; \
$(XSLTPROC) --stringparam pagename $(@:.tmp=) --nonet \
$(top_srcdir)/docs/site.xsl $< > $@ \
|| { rm $@ && exit 1; }; fi
%.php: %.php.tmp %.php.code.in
@if [ -x $(XSLTPROC) ] ; then \
echo "Scripting $@"; \
sed -e '/<span id="php_placeholder"><\/span>/r '"$(srcdir)/$@.code.in" \
-e /php_placeholder/d < $@.tmp > $(srcdir)/$@ \
|| { rm $(srcdir)/$@ && exit 1; }; fi
$(apihtml_generated): html/index.html
html/index.html: libvirt-api.xml newapi.xsl page.xsl sitemap.html.in
$(AM_V_GEN)if [ -x $(XSLTPROC) ] ; then \
$(XSLTPROC) --nonet -o $(srcdir)/ \
--stringparam builddir '$(abs_top_builddir)' \
$(srcdir)/newapi.xsl $(srcdir)/libvirt-api.xml ; fi && \
if test -x $(XMLLINT) && test -x $(XMLCATALOG) ; then \
if $(XMLCATALOG) '$(XML_CATALOG_FILE)' "-//W3C//DTD XHTML 1.0 Strict//EN" \
> /dev/null ; then \
SGML_CATALOG_FILES='$(XML_CATALOG_FILE)' \
$(XMLLINT) --catalogs --nonet --valid --noout $(srcdir)/html/*.html ; \
else echo "missing XHTML1 DTD"; cat $< > $(srcdir)/$@ ; fi ; fi
$(addprefix $(srcdir)/,$(devhelphtml)): $(srcdir)/libvirt-api.xml $(devhelpxsl)
$(AM_V_GEN)if [ -x $(XSLTPROC) ] ; then \
$(XSLTPROC) --nonet -o $(srcdir)/devhelp/ \
$(top_srcdir)/docs/devhelp/devhelp.xsl $(srcdir)/libvirt-api.xml ; fi
python_generated_files = \
$(srcdir)/html/libvirt-libvirt-lxc.html \
$(srcdir)/html/libvirt-libvirt-qemu.html \
$(srcdir)/html/libvirt-libvirt-admin.html \
$(srcdir)/html/libvirt-virterror.html \
$(srcdir)/libvirt-api.xml \
$(srcdir)/libvirt-refs.xml \
$(srcdir)/libvirt-lxc-api.xml \
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$(srcdir)/libvirt-qemu-api.xml \
$(srcdir)/libvirt-qemu-refs.xml \
$(srcdir)/libvirt-admin-api.xml \
$(srcdir)/libvirt-admin-refs.xml \
$(NULL)
APIBUILD=$(srcdir)/apibuild.py
APIBUILD_STAMP=$(APIBUILD).stamp
EXTRA_DIST += $(APIBUILD_STAMP)
$(python_generated_files): $(APIBUILD_STAMP)
$(APIBUILD_STAMP): $(srcdir)/apibuild.py \
$(top_srcdir)/include/libvirt/libvirt.h \
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$(top_srcdir)/include/libvirt/libvirt-network.h \
$(top_srcdir)/include/libvirt/libvirt-nodedev.h \
$(top_srcdir)/include/libvirt/libvirt-nwfilter.h \
$(top_srcdir)/include/libvirt/libvirt-secret.h \
$(top_srcdir)/include/libvirt/libvirt-storage.h \
$(top_srcdir)/include/libvirt/libvirt-stream.h \
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$(top_srcdir)/include/libvirt/libvirt-qemu.h \
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$(top_srcdir)/src/libvirt.c \
$(top_srcdir)/src/libvirt-lxc.c \
$(top_srcdir)/src/libvirt-qemu.c \
$(top_srcdir)/src/libvirt-admin.c \
$(top_srcdir)/src/util/virerror.c \
$(top_srcdir)/src/util/virevent.c \
$(top_srcdir)/src/util/virtypedparam.c
$(AM_V_GEN)srcdir=$(srcdir) $(PYTHON) $(APIBUILD)
touch $@
check-local: all
dist-local: all
clean-local:
rm -f *~ *.bak *.hierarchy *.signals *-unused.txt *.html
maintainer-clean-local: clean-local
rm -rf $(srcdir)/libvirt-api.xml $(srcdir)/libvirt-refs.xml \
todo.html.in
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rm -rf $(APIBUILD_STAMP)
rebuild: api qemu_api lxc_api admin_api all
install-data-local:
$(mkinstalldirs) $(DESTDIR)$(HTML_DIR)
for f in $(css) $(dot_html) $(gif) $(png); do \
$(INSTALL) -m 0644 $(srcdir)/$$f $(DESTDIR)$(HTML_DIR); done
$(mkinstalldirs) $(DESTDIR)$(HTML_DIR)/html
for h in $(apihtml); do \
$(INSTALL) -m 0644 $(srcdir)/$$h $(DESTDIR)$(HTML_DIR)/html; done
for p in $(apipng); do \
$(INSTALL) -m 0644 $(srcdir)/$$p $(DESTDIR)$(HTML_DIR)/html; done
$(mkinstalldirs) $(DESTDIR)$(HTML_DIR)/internals
for f in $(internals_html); do \
$(INSTALL) -m 0644 $(srcdir)/$$f $(DESTDIR)$(HTML_DIR)/internals; done
$(mkinstalldirs) $(DESTDIR)$(DEVHELP_DIR)
for file in $(devhelphtml) $(devhelppng) $(devhelpcss); do \
$(INSTALL) -m 0644 $(srcdir)/$${file} $(DESTDIR)$(DEVHELP_DIR) ; \
done
$(INSTALL_DATA) $(srcdir)/libvirtLogo.png $(DESTDIR)$(pkgdatadir)
uninstall-local:
for h in $(apihtml); do rm -f $(DESTDIR)$(HTML_DIR)/$$h; done
for p in $(apipng); do rm -f $(DESTDIR)$(HTML_DIR)/$$p; done
for f in $(devhelphtml) $(devhelppng) $(devhelpcss); do \
rm -f $(DESTDIR)$(DEVHELP_DIR)/$$(basename $$f); \
done

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@@ -1,100 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Client access control</h1>
<p>
Libvirt's client access control framework allows administrators
to setup fine grained permission rules across client users,
managed objects and API operations. This allows client connections
to be locked down to a minimal set of privileges.
</p>
<ul id="toc"></ul>
<h2><a name="intro">Access control introduction</a></h2>
<p>
In a default configuration, the libvirtd daemon has three levels
of access control. All connections start off in an unauthenticated
state, where the only API operations allowed are those required
to complete authentication. After successful authentication, a
connection either has full, unrestricted access to all libvirt
API calls, or is locked down to only "read only" operations,
according to what socket a client connection originated on.
</p>
<p>
The access control framework allows authenticated connections to
have fine grained permission rules to be defined by the administrator.
Every API call in libvirt has a set of permissions that will
be validated against the object being used. For example, the
<code>virDomainSetSchedulerParametersFlags</code> method will
check whether the client user has the <code>write</code>
permission on the <code>domain</code> object instance passed
in as a parameter. Further permissions will also be checked
if certain flags are set in the API call. In addition to
checks on the object passed in to an API call, some methods
will filter their results. For example the <code>virConnectListAllDomains</code>
method will check the <code>search_domains</code> on the <code>connect</code>
object, but will also filter the returned <code>domain</code>
objects to only those on which the client user has the
<code>getattr</code> permission.
</p>
<h2><a name="drivers">Access control drivers</a></h2>
<p>
The access control framework is designed as a pluggable
system to enable future integration with arbitrary access
control technologies. By default, the <code>none</code>
driver is used, which does no access control checks at
all. At this time, libvirt ships with support for using
<a href="http://www.freedesktop.org/wiki/Software/polkit/">polkit</a> as a real access
control driver. To learn how to use the polkit access
driver consult <a href="aclpolkit.html">the configuration
docs</a>.
</p>
<p>
The access driver is configured in the <code>libvirtd.conf</code>
configuration file, using the <code>access_drivers</code>
parameter. This parameter accepts an array of access control
driver names. If more than one access driver is requested,
then all must succeed in order for access to be granted.
To enable 'polkit' as the driver:
</p>
<pre>
# augtool -s set '/files/etc/libvirt/libvirtd.conf/access_drivers[1]' polkit
</pre>
<p>
And to reset back to the default (no-op) driver
</p>
<pre>
# augtool -s rm /files/etc/libvirt/libvirtd.conf/access_drivers
</pre>
<p>
<strong>Note:</strong> changes to libvirtd.conf require that
the libvirtd daemon be restarted.
</p>
<h2><a name="perms">Objects and permissions</a></h2>
<p>
Libvirt applies access control to all the main object
types in its API. Each object type, in turn, has a set
of permissions defined. To determine what permissions
are checked for specific API call, consult the
<a href="html/index.html">API reference manual</a>
documentation for the API in question.
</p>
<div id="include" filename="aclperms.htmlinc"/>
</body>
</html>

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@@ -1,414 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Polkit access control</h1>
<p>
Libvirt's client <a href="acl.html">access control framework</a> allows
administrators to setup fine grained permission rules across client users,
managed objects and API operations. This allows client connections
to be locked down to a minimal set of privileges. The polkit driver
provides a simple implementation of the access control framework.
</p>
<ul id="toc"></ul>
<h2><a name="intro">Introduction</a></h2>
<p>
A default install of libvirt will typically use
<a href="http://www.freedesktop.org/wiki/Software/polkit/">polkit</a>
to authenticate the initial user connection to libvirtd. This is a
very coarse grained check though, either allowing full read-write
access to all APIs, or just read-only access. The polkit access
control driver in libvirt builds on this capability to allow for
fine grained control over the operations a user may perform on an
object.
</p>
<h2><a name="perms">Permission names</a></h2>
<p>
The libvirt <a href="acl.html#perms">object names and permission names</a>
are mapped onto polkit action names using the simple pattern:
</p>
<pre>org.libvirt.api.$object.$permission
</pre>
<p>
The only caveat is that any underscore characters in the
object or permission names are converted to hyphens. So,
for example, the <code>search_storage_vols</code> permission
on the <code>storage_pool</code> object maps to the polkit
action:
</p>
<pre>org.libvirt.api.storage-pool.search-storage-vols
</pre>
<p>
The default policy for any permission which corresponds to
a "read only" operation, is to allow access. All other
permissions default to deny access.
</p>
<h2><a name="attrs">Object identity attributes</a></h2>
<p>
To allow polkit authorization rules to be written to match
against individual object instances, libvirt provides a number
of authorization detail attributes when performing a permission
check. The set of attributes varies according to the type
of object being checked
</p>
<h3><a name="object_connect">virConnectPtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
</tbody>
</table>
<h3><a name="object_domain">virDomainPtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>domain_name</td>
<td>Name of the domain, unique to the local host</td>
</tr>
<tr>
<td>domain_uuid</td>
<td>UUID of the domain, globally unique</td>
</tr>
</tbody>
</table>
<h3><a name="object_interface">virInterfacePtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>interface_name</td>
<td>Name of the network interface, unique to the local host</td>
</tr>
<tr>
<td>interface_macaddr</td>
<td>MAC address of the network interface, not unique</td>
</tr>
</tbody>
</table>
<h3><a name="object_network">virNetworkPtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>network_name</td>
<td>Name of the network, unique to the local host</td>
</tr>
<tr>
<td>network_uuid</td>
<td>UUID of the network, globally unique</td>
</tr>
</tbody>
</table>
<h3><a name="object_node_device">virNodeDevicePtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>node_device_name</td>
<td>Name of the node device, unique to the local host</td>
</tr>
</tbody>
</table>
<h3><a name="object_nwfilter">virNWFilterPtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>nwfilter_name</td>
<td>Name of the network filter, unique to the local host</td>
</tr>
<tr>
<td>nwfilter_uuid</td>
<td>UUID of the network filter, globally unique</td>
</tr>
</tbody>
</table>
<h3><a name="object_secret">virSecretPtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>secret_uuid</td>
<td>UUID of the secret, globally unique</td>
</tr>
<tr>
<td>secret_usage_volume</td>
<td>Name of the associated volume, if any</td>
</tr>
<tr>
<td>secret_usage_ceph</td>
<td>Name of the associated Ceph server, if any</td>
</tr>
<tr>
<td>secret_usage_target</td>
<td>Name of the associated iSCSI target, if any</td>
</tr>
</tbody>
</table>
<h3><a name="object_storage_pool">virStoragePoolPtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>pool_name</td>
<td>Name of the storage pool, unique to the local host</td>
</tr>
<tr>
<td>pool_uuid</td>
<td>UUID of the storage pool, globally unique</td>
</tr>
</tbody>
</table>
<h3><a name="object_storage_vol">virStorageVolPtr</a></h3>
<table class="acl">
<thead>
<tr>
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>connect_driver</td>
<td>Name of the libvirt connection driver</td>
</tr>
<tr>
<td>pool_name</td>
<td>Name of the storage pool, unique to the local host</td>
</tr>
<tr>
<td>pool_uuid</td>
<td>UUID of the storage pool, globally unique</td>
</tr>
<tr>
<td>vol_name</td>
<td>Name of the storage volume, unique to the pool</td>
</tr>
<tr>
<td>vol_key</td>
<td>Key of the storage volume, globally unique</td>
</tr>
</tbody>
</table>
<h2><a name="user">User identity attributes</a></h2>
<p>
At this point in time, the only attribute provided by
libvirt to identify the user invoking the operation
is the PID of the client program. This means that the
polkit access control driver is only useful if connections
to libvirt are restricted to its UNIX domain socket. If
connections are being made to a TCP socket, no identifying
information is available and access will be denied.
Also note that if the client is connecting via an SSH
tunnel, it is the local SSH user that will be identified.
In future versions, it is expected that more information
about the client user will be provided, including the
SASL / Kerberos username and/or x509 distinguished
name obtained from the authentication provider in use.
</p>
<h2><a name="checks">Writing access control policies</a></h2>
<p>
If using versions of polkit prior to 0.106 then it is only
possible to validate (user, permission) pairs via the <code>.pkla</code>
files. Fully validation of the (user, permission, object) triple
requires the new JavaScript <code>.rules</code> support that
was introduced in version 0.106. The latter is what will be
described here.
</p>
<p>
Libvirt does not ship any rules files by default. It merely
provides a definition of the default behaviour for each
action (permission). As noted earlier, permissions which
correspond to read-only operations in libvirt will be allowed
to all users by default; everything else is denied by default.
Defining custom rules requires creation of a file in the
<code>/etc/polkit-1/rules.d</code> directory with a name
chosen by the administrator (<code>100-libvirt-acl.rules</code>
would be a reasonable choice). See the <code>polkit(8)</code>
manual page for a description of how to write these files
in general. The key idea is to create a file containing
something like
</p>
<pre>
polkit.addRule(function(action, subject) {
....logic to check 'action' and 'subject'...
});
</pre>
<p>
In this code snippet above, the <code>action</code> object
instance will represent the libvirt permission being checked
along with identifying attributes for the object it is being
applied to. The <code>subject</code> meanwhile will identify
the libvirt client app (with the caveat above about it only
dealing with local clients connected via the UNIX socket).
On the <code>action</code> object, the permission name is
accessible via the <code>id</code> attribute, while the
object identifying attributes are exposed via the
<code>lookup</code> method.
</p>
<p>
See
<a href="http://libvirt.org/git/?p=libvirt.git;a=tree;f=examples/polkit;hb=HEAD">source code</a>
for a more complex example.
</p>
<h3><a name="exconnect">Example: restricting ability to connect to drivers</a></h3>
<p>
Consider a local user <code>berrange</code>
who has been granted permission to connect to libvirt in
full read-write mode. The goal is to only allow them to
use the <code>QEMU</code> driver and not the Xen or LXC
drivers which are also available in libvirtd.
To achieve this we need to write a rule which checks
whether the <code>connect_driver</code> attribute
is <code>QEMU</code>, and match on an action
name of <code>org.libvirt.api.connect.getattr</code>. Using
the javascript rules format, this ends up written as
</p>
<pre>
polkit.addRule(function(action, subject) {
if (action.id == "org.libvirt.api.connect.getattr" &amp;&amp;
subject.user == "berrange") {
if (action.lookup("connect_driver") == 'QEMU') {
return polkit.Result.YES;
} else {
return polkit.Result.NO;
}
}
});
</pre>
<h3><a name="exdomain">Example: restricting access to a single domain</a></h3>
<p>
Consider a local user <code>berrange</code>
who has been granted permission to connect to libvirt in
full read-write mode. The goal is to only allow them to
see the domain called <code>demo</code> on the LXC driver.
To achieve this we need to write a rule which checks
whether the <code>connect_driver</code> attribute
is <code>LXC</code> and the <code>domain_name</code>
attribute is <code>demo</code>, and match on a action
name of <code>org.libvirt.api.domain.getattr</code>. Using
the javascript rules format, this ends up written as
</p>
<pre>
polkit.addRule(function(action, subject) {
if (action.id == "org.libvirt.api.domain.getattr" &amp;&amp;
subject.user == "berrange") {
if (action.lookup("connect_driver") == 'LXC' &amp;&amp;
action.lookup("domain_name") == 'demo') {
return polkit.Result.YES;
} else {
return polkit.Result.NO;
}
}
});
</pre>
</body>
</html>

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<?xml version="1.0" encoding="UTF-8"?>
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<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>The libvirt API concepts</h1>
<p> This page describes the main principles and architecture choices
behind the definition of the libvirt API:</p>
<ul id="toc"></ul>
<h2><a name="Objects">Objects Exposed</a></h2>
<p> As defined in the <a href="goals.html">goals section</a>, the libvirt
API is designed to expose all the resources needed to manage the
virtualization support of recent operating systems. The first object
manipulated through the API is the <code>virConnectPtr</code>, which
represents the connection to a hypervisor. Any application using libvirt
is likely to start using the
API by calling one of <a href="html/libvirt-libvirt-host.html#virConnectOpen"
>the virConnectOpen functions</a>. You will note that those functions take
a name argument which is actually a <a href="uri.html">connection URI</a>
to select the right hypervisor to open.
A URI is needed to allow remote connections and also select between
different possible hypervisors. For example, on a Linux system it may be
possible to use both KVM and LinuxContainers on the same node. A NULL
name will default to a preselected hypervisor, but it's probably not a
wise thing to do in most cases. See the <a href="uri.html">connection
URI</a> page for a full descriptions of the values allowed.</p>
<p> OnDevice the application obtains a
<a href="/html/libvirt-libvirt-host.html#virConnectPtr">
<code>virConnectPtr</code>
</a>
connection to the hypervisor it can then use it to manage the hypervisor's
available domains and related virtualization
resources, such as storage and networking. All those are
exposed as first class objects and connected to the hypervisor connection
(and the node or cluster where it is available).</p>
<p class="image">
<img alt="first class objects exposed by the API"
src="libvirt-object-model.png"/>
</p>
<p> The figure above shows the five main objects exported by the API:</p>
<ul>
<li>
<a href="html/libvirt-libvirt-host.html#virConnectPtr">
<code>virConnectPtr</code>
</a>
<p>Represents the connection to a hypervisor. Use one of the
<a href="html/libvirt-libvirt-host.html#virConnectOpen">virConnectOpen</a>
functions to obtain connection to the hypervisor which is then used
as a parameter to other connection API's.</p></li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainPtr">
<code>virDomainPtr</code>
</a>
<p>Represents one domain either active or defined (i.e. existing as
permanent config file and storage but not currently running on that
node). The function
<a href="html/libvirt-libvirt-domain.html#virConnectListAllDomains">
<code>virConnectListAllDomains</code>
</a>
lists all the domains for the hypervisor.</p></li>
<li>
<a href="html/libvirt-libvirt-network.html#virNetworkPtr">
<code>virNetworkPtr</code>
</a>
<p>Represents one network either active or defined (i.e. existing
as permanent config file and storage but not currently activated).
The function
<a href="html/libvirt-libvirt-network.html#virConnectListAllNetworks">
<code>virConnectListAllNetworks</code>
</a>
lists all the virtualization networks for the hypervisor.</p></li>
<li>
<a href="html/libvirt-libvirt-storage.html#virStorageVolPtr">
<code>virStorageVolPtr</code>
</a>
<p>Represents one storage volume generally used
as a block device available to one of the domains. The function
<a href="html/libvirt-libvirt-storage.html#virStorageVolLookupByPath">
<code>virStorageVolLookupByPath</code>
</a>
finds the storage volume object based on its path on the node.</p></li>
<li>
<a href="html/libvirt-libvirt-storage.html#virStoragePoolPtr">
<code>virStoragePoolPtr</code>
</a>
<p>Represents a storage pool, which is a logical area
used to allocate and store storage volumes. The function
<a href="html/libvirt-libvirt-storage.html#virConnectListAllStoragePools">
<code>virConnectListAllStoragePools</code>
</a>
lists all of the virtualization storage pools on the hypervisor.
The function
<a href="html/libvirt-libvirt-storage.html#virStoragePoolLookupByVolume">
<code>virStoragePoolLookupByVolume</code>
</a>
finds the storage pool containing a given storage volume.</p></li>
</ul>
<p> Most objects manipulated by the library can also be represented using
XML descriptions. This is used primarily to create those object, but is
also helpful to modify or save their description back.</p>
<p> Domains, networks, and storage pools can be either <code>active</code>
i.e. either running or available for immediate use, or
<code>defined</code> in which case they are inactive but there is
a permanent definition available in the system for them. Based on this
they can be activated dynamically in order to be used.</p>
<p> Most objects can also be named in various ways:</p>
<ul>
<li><code>name</code>
<p>A user friendly identifier but whose uniqueness
cannot be guaranteed between two nodes.</p></li>
<li><code>ID</code>
<p>A runtime unique identifier
provided by the hypervisor for one given activation of the object;
however, it becomes invalid once the resource is deactivated.</p></li >
<li><code>UUID</code>
<p> A 16 byte unique identifier
as defined in <a href="http://www.ietf.org/rfc/rfc4122.txt">RFC 4122</a>,
which is guaranteed to be unique for long term usage and across a
set of nodes.</p></li>
</ul>
<h2><a name="Functions">Functions and Naming Conventions</a></h2>
<p> The naming of the functions present in the library is usually
composed by a prefix describing the object associated to the function
and a verb describing the action on that object.</p>
<p> For each first class object you will find APIs
for the following actions:</p>
<ul>
<li><b>Lookup</b> [...LookupBy...]
<p>Used to perform lookups on objects by some type of identifier,
such as:</p>
<ul>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainLookupByID">
<code>virDomainLookupByID</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainLookupByName">
<code>virDomainLookupByName</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainLookupByUUID">
<code>virDomainLookupByUUID</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainLookupByUUIDString">
<code>virDomainLookupByUUIDString</code>
</a>
</li>
</ul>
</li>
<li><b>Enumeration</b> [virConnectList..., virConnectNumOf...]
<p>Used to enumerate a set of object available to an given
hypervisor connection such as:</p>
<ul>
<li>
<a href="html/libvirt-libvirt-domain.html#virConnectListDomains">
<code>virConnectListDomains</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virConnectNumOfDomains">
<code>virConnectNumOfDomains</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-network.html#virConnectListNetworks">
<code>virConnectListNetworks</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-storage.html#virConnectListStoragePools">
<code>virConnectListStoragePools</code>
</a>
</li>
</ul>
</li>
<li><b>Description</b> [...GetInfo]
<p>Generic accessor providing a set of generic information about an
object, such as: </p>
<ul>
<li>
<a href="html/libvirt-libvirt-host.html#virNodeGetInfo">
<code>virNodeGetInfo</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainGetInfo">
<code>virDomainGetInfo</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-storage.html#virStoragePoolGetInfo">
<code>virStoragePoolGetInfo</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-storage.html#virStorageVolGetInfo">
<code>virStorageVolGetInfo</code>
</a>
</li>
</ul>
</li>
<li><b>Accessors</b> [...Get..., ...Set...]
<p>Specific accessors used to query or modify data for the given object,
such as: </p>
<ul>
<li>
<a href="html/libvirt-libvirt-host.html#virConnectGetType">
<code>virConnectGetType</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainGetMaxMemory">
<code>virDomainGetMaxMemory</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainSetMemory">
<code>virDomainSetMemory</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainGetVcpus">
<code>virDomainGetVcpus</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-storage.html#virStoragePoolSetAutostart">
<code>virStoragePoolSetAutostart</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-network.html#virNetworkGetBridgeName">
<code>virNetworkGetBridgeName</code>
</a>
</li>
</ul>
</li>
<li><b>Creation</b> [...Create, ...CreateXML]
<p>Used to create and start objects. The ...CreateXML APIs will create
the object based on an XML description, while the ...Create APIs will
create the object based on existing object pointer, such as: </p>
<ul>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainCreate">
<code>virDomainCreate</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainCreateXML">
<code>virDomainCreateXML</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-network.html#virNetworkCreate">
<code>virNetworkCreate</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-network.html#virNetworkCreateXML">
<code>virNetworkCreateXML</code>
</a>
</li>
</ul>
</li>
<li><b>Destruction</b> [...Destroy]
<p>Used to shutdown or deactivate and destroy objects, such as: </p>
<ul>
<li>
<a href="html/libvirt-libvirt-domain.html#virDomainDestroy">
<code>virDomainDestroy</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-network.html#virNetworkDestroy">
<code>virNetworkDestroy</code>
</a>
</li>
<li>
<a href="html/libvirt-libvirt-storage.html#virStoragePoolDestroy">
<code>virStoragePoolDestroy</code>
</a>
</li>
</ul>
</li>
</ul>
<p>Note: functions returning vir*Ptr (like the virDomainLookup functions)
allocate memory which needs to be freed by the caller by the corresponding
vir*Free function (e.g. virDomainFree for a virDomainPtr object).
</p>
<p> For more in-depth details of the storage related APIs see
<a href="storage.html">the storage management page</a>.
</p>
<h2><a name="Drivers">The libvirt Drivers</a></h2>
<p>Drivers are the basic building block for libvirt functionality
to support the capability to handle specific hypervisor driver calls.
Drivers are discovered and registered during connection processing as
part of the
<a href="html/libvirt-libvirt-host.html#virInitialize">
<code>virInitialize</code>
</a>
API. Each driver
has a registration API which loads up the driver specific function
references for the libvirt APIs to call. The following is a simplistic
view of the hypervisor driver mechanism. Consider the stacked list of
drivers as a series of modules that can be plugged into the architecture
depending on how libvirt is configured to be built.</p>
<p class="image">
<img alt="The libvirt driver architecture"
src="libvirt-driver-arch.png"/>
</p>
<p>The driver architecture is also used to support other virtualization
components such as storage, storage pools, host device, networking,
network interfaces, and network filters.</p>
<p>See the <a href="drivers.html">libvirt drivers</a> page for more
information on hypervisor and storage specific drivers.</p>
<p>Not all drivers support every virtualization function possible.
The <a href="hvsupport.html">libvirt API support matrix</a> lists
the various functions and support found in each driver by the version
support was added into libvirt.
</p>
<h2><a name="Remote">Daemon and Remote Access</a></h2>
<p>Access to libvirt drivers is primarily handled by the libvirtd
daemon through the <a href="remote.html">remote</a> driver via an
<a href="internals/rpc.html">RPC</a>. Some hypervisors do support
client-side connections and responses, such as Test, OpenVZ, VMware,
Power VM (phyp), VirtualBox (vbox), ESX, Hyper-V, Xen, and Virtuozzo.
The libvirtd daemon service is started on the host at system boot
time and can also be restarted at any time by a properly privileged
user, such as root. The libvirtd daemon uses the same libvirt API
<a href="html/libvirt-libvirt-host.html#virInitialize">
<code>virInitialize</code>
</a>
sequence as applications
for client-side driver registrations, but then extends the registered
driver list to encompass all known drivers supported for all driver
types supported on the host. </p>
<p>The libvirt client <a href="apps.html">applications</a> use a
<a href="uri.html">URI</a> to obtain the <code>virConnectPtr</code>.
The <code>virConnectPtr</code> keeps track of the driver connection
plus a variety of other connections (network, interface, storage, etc.).
The <code>virConnectPtr</code> is then used as a parameter to other
virtualization <a href="#Functions">functions</a>. Depending upon the
driver being used, calls will be routed through the remote driver to
the libvirtd daemon. The daemon will reference the connection specific
driver in order to retrieve the requested information and then pass
back status and/or data through the connection back to the application.
The application can then decide what to do with that data, such as
display, write log data, etc. <a href="migration.html">Migration</a>
is an example of many facets of the architecture in use.</p>
<p class="image">
<img alt="The libvirt daemon and remote architecture"
src="libvirt-daemon-arch.png"/>
</p>
<p>
The key takeaway from the above diagram is that there is a remote driver
which handles transactions for a majority of the drivers. The libvirtd
daemon running on the host will receive transaction requests from the
remote driver and will then query the hypervisor driver as specified in
the <code>virConnectPtr</code> in order to fetch the data. The data will
then be returned through the remote driver to the client application
for processing.
</p>
<p>If you are interested in contributing to libvirt, read the
<a href="http://wiki.libvirt.org/page/FAQ">FAQ</a> and
<a href="hacking.html">hacking</a> guidelines to gain an understanding
of basic rules and guidelines. In order to add new API functionality
follow the instructions regarding
<a href="api_extension.html">implementing a new API in libvirt</a>.
</p>
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<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Implementing a new API in Libvirt</h1>
<ul id="toc"></ul>
<p>
This document walks you through the process of implementing a new
API in libvirt. It uses as an example the addition of an API for
separating maximum from current vcpu usage of a domain, over
the course of a fifteen-patch series.
Remember that new API consists of any new public functions, as
well as the addition of flags or extensions of XML used by
existing functions. The example in this document adds both new
functions and an XML extension. Not all libvirt API additions
require quite as many patches.
</p>
<p>
Before you begin coding, it is critical that you propose your
changes on the libvirt mailing list and get feedback on your ideas to
make sure what you're proposing fits with the general direction of the
project. Even before doing a proof of concept implementation, send an
email giving an overview of the functionality you think should be
added to libvirt. Someone may already be working on the feature you
want. Also, recognize that everything you write is likely to undergo
significant rework as you discuss it with the other developers, so
don't wait too long before getting feedback. In the vcpu example
below, list feedback was first requested
<a href="https://www.redhat.com/archives/libvir-list/2010-September/msg00423.html">here</a>
and resulted in several rounds of improvements before coding
began. In turn, this example is slightly rearranged from the actual
order of the commits.
</p>
<p>
Adding a new API to libvirt is not difficult, but there are quite a
few steps. This document assumes that you are familiar with C
programming and have checked out the libvirt code from the source code
repository and successfully built the existing tree. Instructions on
how to check out and build the code can be found at:
</p>
<p>
<a href="http://libvirt.org/downloads.html">http://libvirt.org/downloads.html</a>
</p>
<p>
Once you have a working development environment, the steps to create a
new API are:
</p>
<ol>
<li>define the public API</li>
<li>define the internal driver API</li>
<li>implement the public API</li>
<li>implement the remote protocol:
<ol>
<li>define the wire protocol format</li>
<li>implement the RPC client</li>
<li>implement the server side dispatcher</li>
</ol>
</li>
<li>use new API where appropriate in drivers</li>
<li>add virsh support</li>
<li>add common handling for new API</li>
<li>for each driver that can support the new API:
<ol>
<li>add prerequisite support</li>
<li>fully implement new API</li>
</ol>
</li>
</ol>
<p>
It is, of course, possible to implement the pieces in any order, but
if the development tasks are completed in the order listed, the code
will compile after each step. Given the number of changes required,
verification after each step is highly recommended.
</p>
<p>
Submit new code in the form shown in the example code: one patch
per step. That's not to say submit patches before you have working
functionality--get the whole thing working and make sure you're happy
with it. Then use git or some other version control system that lets
you rewrite your commit history and break patches into pieces so you
don't drop a big blob of code on the mailing list in one go.
Also, you should follow the upstream tree, and rebase your
series to adapt your patches to work with any other changes
that were accepted upstream during your development.
</p>
<p>
Don't mix anything else into the patches you submit. The patches
should be the minimal changes required to implement the functionality
you're adding. If you notice a bug in unrelated code (i.e., code you
don't have to touch to implement your API change) during development,
create a patch that just addresses that bug and submit it
separately.
</p>
<p>With that said, let's begin.</p>
<h2><a name='publicapi'>Defining the public API</a></h2>
<p>The first task is to define the public API. If the new API
involves an XML extension, you have to enhance the RelaxNG
schema and document the new elements or attributes:</p>
<p><code>
docs/schemas/domain.rng<br/>
docs/formatdomain.html.in
</code></p>
<p>If the API extension involves a new function, you have to add a
declaration in the public header, and arrange to export the
function name (symbol) so other programs can link against the
libvirt library and call the new function:</p>
<p><code>
include/libvirt/libvirt.h.in
src/libvirt_public.syms
</code></p>
<p>
This task is in many ways the most important to get right, since once
the API has been committed to the repository, it's libvirt's policy
never to change it. Mistakes in the implementation are bugs that you
can fix. Make a mistake in the API definition and you're stuck with
it, so think carefully about the interface and don't be afraid to
rework it as you go through the process of implementing it.
</p>
<p class="example">See <a href="api_extension/0001-add-to-xml.patch">0001-add-to-xml.patch</a>
and <a href="api_extension/0002-add-new-public-API.patch">0002-add-new-public-API.patch</a>
for example code.</p>
<h2><a name='internalapi'>Defining the internal API</a></h2>
<p>
Each public API call is associated with a driver, such as a host
virtualization driver, a network virtualization driver, a storage
virtualization driver, a state driver, or a device monitor. Adding
the internal API is ordinarily a matter of adding a new member to the
struct representing one of these drivers.
</p>
<p>
Of course, it's possible that the new API will involve the creation of
an entirely new driver type, in which case the changes will include the
creation of a new struct type to represent the new driver type.
</p>
<p>The driver structs are defined in:</p>
<p><code>src/driver.h</code></p>
<p>
To define the internal API, first typedef the driver function
prototype and then add a new field for it to the relevant driver
struct. Then, update all existing instances of the driver to
provide a <code>NULL</code> stub for the new function.
</p>
<p class="example">See <a href="api_extension/0003-define-internal-driver-API.patch">0003-define-internal-driver-API.patch</a></p>
<h2><a name='implpublic'>Implementing the public API</a></h2>
<p>
Implementing the public API is largely a formality in which we wire up
public API to the internal driver API. The public API implementation
takes care of some basic validity checks before passing control to the
driver implementation. In RFC 2119 vocabulary, this function:
</p>
<ol class="ordinarylist">
<li>SHOULD log a message with VIR_DEBUG() indicating that it is
being called and its parameters;</li>
<li>MUST call virResetLastError();</li>
<li>SHOULD confirm that the connection is valid with
virCheckConnectReturn() or virCheckConnectGoto();</li>
<li><strong>SECURITY: If the API requires a connection with write
privileges, MUST confirm that the connection flags do not
indicate that the connection is read-only with
virCheckReadOnlyGoto();</strong></li>
<li>SHOULD do basic validation of the parameters that are being
passed in, using helpers like virCheckNonNullArgGoto();</li>
<li>MUST confirm that the driver for this connection exists and that
it implements this function;</li>
<li>MUST call the internal API;</li>
<li>SHOULD log a message with VIR_DEBUG() indicating that it is
returning, its return value, and status.</li>
<li>MUST return status to the caller.</li>
</ol>
<p>The public API calls are implemented in:</p>
<p><code>src/libvirt.c</code></p>
<p class="example">See <a href="api_extension/0004-implement-the-public-APIs.patch">0004-implement-the-public-APIs.patch</a></p>
<h2><a name='remoteproto'>Implementing the remote protocol</a></h2>
<p>
Implementing the remote protocol is essentially a
straightforward exercise which is probably most easily
understood by referring to the existing code and the example
patch. It involves several related changes, including the
regeneration of derived files, with further details below.
</p>
<p class="example">See <a href="api_extension/0005-implement-the-remote-protocol.patch">0005-implement-the-remote-protocol.patch</a></p>
<h3><a name='wireproto'>Defining the wire protocol format</a></h3>
<p>
Defining the wire protocol involves making additions to:
</p>
<p><code>src/remote/remote_protocol.x</code></p>
<p>
First, create two new structs for each new function that you're adding
to the API. One struct describes the parameters to be passed to the
remote function, and a second struct describes the value returned by
the remote function. The one exception to this rule is that functions
that return only 0 or -1 for status do not require a struct for returned
data.
</p>
<p>
Second, add values to the remote_procedure enum for each new function
added to the API.
</p>
<p>
Once these changes are in place, it's necessary to run 'make rpcgen'
in the src directory to create the .c and .h files required by the
remote protocol code. This must be done on a Linux host using the
GLibC rpcgen program. Other rpcgen versions may generate code which
results in bogus compile time warnings. This regenerates the
following files:
</p>
<p><code>
daemon/remote_dispatch_args.h
daemon/remote_dispatch_prototypes.h
daemon/remote_dispatch_table.h
src/remote/remote_protocol.c
src/remote/remote_protocol.h
</code></p>
<h3><a name='rpcclient'>Implement the RPC client</a></h3>
<p>
Implementing the uses the rpcgen generated .h files. The remote
method calls go in:
</p>
<p><code>src/remote/remote_internal.c</code></p>
<p>Each remote method invocation does the following:</p>
<ol class="ordinarylist">
<li>locks the remote driver;</li>
<li>sets up the method arguments;</li>
<li>invokes the remote function;</li>
<li>checks the return value, if necessary;</li>
<li>extracts any returned data;</li>
<li>frees any returned data;</li>
<li>unlocks the remote driver.</li>
</ol>
<h3><a name="serverdispatch">Implement the server side dispatcher</a></h3>
<p>
Implementing the server side of the remote function call is simply a
matter of deserializing the parameters passed in from the remote
caller and passing them to the corresponding internal API function.
The server side dispatchers are implemented in:
</p>
<p><code>daemon/remote.c</code></p>
<p>Again, this step uses the .h files generated by make rpcgen.</p>
<p>
After all three pieces of the remote protocol are complete, and
the generated files have been updated, it will be necessary to
update the file:</p>
<p><code>src/remote_protocol-structs</code></p>
<p>
This file should only have new lines added; modifications to
existing lines probably imply a backwards-incompatible API change.
</p>
<p class="example">See <a href="api_extension/0005-implement-the-remote-protocol.patch">0005-implement-the-remote-protocol.patch</a></p>
<h2><a name="internaluseapi">Use the new API internally</a></h2>
<p>
Sometimes, a new API serves as a superset of existing API, by
adding more granularity in what can be managed. When this is
the case, it makes sense to share a common implementation by
making the older API become a trivial wrapper around the new
API, rather than duplicating the common code. This step should
not introduce any semantic differences for the old API, and is
not necessary if the new API has no relation to existing API.
</p>
<p class="example">See <a href="api_extension/0006-make-old-API-trivially-wrap-to-new-API.patch">0006-make-old-API-trivially-wrap-to-new-API.patch</a></p>
<h2><a name="virshuseapi">Expose the new API in virsh</a></h2>
<p>
All new API should be manageable from the virsh command line
shell. This proves that the API is sufficient for the intended
purpose, and helps to identify whether the proposed API needs
slight changes for easier usage. However, remember that virsh
is used to connect to hosts running older versions of libvirtd,
so new commands should have fallbacks to an older API if
possible; implementing the virsh hooks at this point makes it
very easy to test these fallbacks. Also remember to document
virsh additions.
</p>
<p>
A virsh command is composed of a few pieces of code. You need to
define an array of vshCmdInfo structs for each new command that
contain the help text and the command description text. You also need
an array of vshCmdOptDef structs to describe the command options.
Once you have those pieces in place you can write the function
implementing the virsh command. Finally, you need to add the new
command to the commands[] array. The following files need changes:
</p>
<p><code>
tools/virsh.c<br/>
tools/virsh.pod
</code></p>
<p class="example">See <a href="api_extension/0007-add-virsh-support.patch">0007-add-virsh-support.patch</a></p>
<h2><a name="driverimpl">Implement the driver methods</a></h2>
<p>
So, after all that, we get to the fun part. All functionality in
libvirt is implemented inside a driver. Thus, here is where you
implement whatever functionality you're adding to libvirt. You'll
either need to add additional files to the src directory or extend
files that are already there, depending on what functionality you're
adding.
</p>
<h3><a name="commonimpl">Implement common handling</a></h3>
<p>
If the new API is applicable to more than one driver, it may
make sense to provide some utility routines, or to factor some
of the work into the dispatcher, to avoid reimplementing the
same code in every driver. In the example code, this involved
adding a member to the virDomainDefPtr struct for mapping
between the XML API addition and the in-memory representation of
a domain, along with updating all clients to use the new member.
Up to this point, there have been no changes to existing
semantics, and the new APIs will fail unless they are used in
the same way as the older API wrappers.
</p>
<p class="example">See <a href="api_extension/0008-support-new-xml.patch">0008-support-new-xml.patch</a></p>
<h3><a name="drivercode">Implement driver handling</a></h3>
<p>
The remaining patches should only touch one driver at a time.
It is possible to implement all changes for a driver in one
patch, but for review purposes it may still make sense to break
things into simpler steps. Here is where the new APIs finally
start working.
</p>
<p>
In the example patches, three separate drivers are supported:
test, qemu, and xen. It is always a good idea to patch the test
driver in addition to the target driver, to prove that the API
can be used for more than one driver. The example updates the
test driver in one patch:
</p>
<p class="example">See <a href="api_extension/0009-support-all-flags-in-test-driver.patch">0009-support-all-flags-in-test-driver.patch</a></p>
<p>
The qemu changes were easier to split into two phases, one for
updating the mapping between the new XML and the hypervisor
command line arguments, and one for supporting all possible
flags of the new API:
</p>
<p class="example">See <a href="api_extension/0010-improve-vcpu-support-in-qemu-command-line.patch">0010-improve-vcpu-support-in-qemu-command-line.patch</a>
and <a href="api_extension/0011-complete-vcpu-support-in-qemu-driver.patch">0011-complete-vcpu-support-in-qemu-driver.patch</a></p>
<p>
Finally, the example breaks the xen driver changes across four
patches. One maps the XML changes to the hypervisor command,
the next two are independently implementing the getter and
setter APIs, and the last one provides cleanup of code that was
rendered dead by the new API.
</p>
<p class="example">See <a href="api_extension/0012-improve-vcpu-support-in-xen-command-line.patch">0012-improve-vcpu-support-in-xen-command-line.patch</a>,
<a href="api_extension/0013-improve-getting-xen-vcpu-counts.patch">0013-improve-getting-xen-vcpu-counts.patch</a>,
<a href="api_extension/0014-improve-setting-xen-vcpu-counts.patch">0014-improve-setting-xen-vcpu-counts.patch</a>,
and <a href="api_extension/0015-remove-dead-xen-code.patch">0015-remove-dead-xen-code.patch</a></p>
<p>
The exact details of the example code are probably uninteresting
unless you're concerned with virtual cpu management.
</p>
<p>
Once you have working functionality, run make check and make
syntax-check on each patch of the series before submitting
patches. It may also be worth writing tests for the libvirt-TCK
testsuite to exercise your new API, although those patches are
not kept in the libvirt repository.
</p>
</body>
</html>

View File

@@ -1,145 +0,0 @@
From a74f4e44649906dcd82151f7ef837f66d7fa2ab1 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Mon, 27 Sep 2010 17:36:06 -0600
Subject: [PATCH 01/15] vcpu: add current attribute to <vcpu> element
Syntax agreed on in
https://www.redhat.com/archives/libvir-list/2010-September/msg00476.html
<domain ...>
<vcpu current='x'>y</vcpu>
...
can now be used to specify 1 <= x <= y current vcpus, in relation
to the boot-time max of y vcpus. If current is omitted, then
current and max are assumed to be the same value.
* docs/schemas/domain.rng: Add new attribute.
* docs/formatdomain.html.in: Document it.
* tests/qemuxml2argvdata/qemuxml2argv-smp.xml: Add to
domainschematest.
* tests/xml2sexprdata/xml2sexpr-pv-vcpus.xml: Likewise.
---
docs/formatdomain.html.in | 9 +++++--
docs/schemas/domain.rng | 5 ++++
tests/qemuxml2argvdata/qemuxml2argv-smp.xml | 28 +++++++++++++++++++++++++++
tests/xml2sexprdata/xml2sexpr-pv-vcpus.xml | 22 +++++++++++++++++++++
4 files changed, 61 insertions(+), 3 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-smp.xml
create mode 100644 tests/xml2sexprdata/xml2sexpr-pv-vcpus.xml
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index a8a1fac..96de121 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -200,7 +200,7 @@
&lt;swap_hard_limit&gt;2097152&lt;/swap_hard_limit&gt;
&lt;min_guarantee&gt;65536&lt;/min_guarantee&gt;
&lt;/memtune&gt;
- &lt;vcpu cpuset="1-4,^3,6"&gt;2&lt;/vcpu&gt;
+ &lt;vcpu cpuset="1-4,^3,6" current="1"&gt;2&lt;/vcpu&gt;
...</pre>
<dl>
@@ -238,7 +238,7 @@
minimum memory allocation for the guest. The units for this value are
kilobytes (i.e. blocks of 1024 bytes)</dd>
<dt><code>vcpu</code></dt>
- <dd>The content of this element defines the number of virtual
+ <dd>The content of this element defines the maximum number of virtual
CPUs allocated for the guest OS, which must be between 1 and
the maximum supported by the hypervisor. <span class="since">Since
0.4.4</span>, this element can contain an optional
@@ -246,7 +246,10 @@
list of physical CPU numbers that virtual CPUs can be pinned
to. Each element in that list is either a single CPU number,
a range of CPU numbers, or a caret followed by a CPU number to
- be excluded from a previous range.
+ be excluded from a previous range. <span class="since">Since
+ 0.8.5</span>, the optional attribute <code>current</code> can
+ be used to specify whether fewer than the maximum number of
+ virtual CPUs should be enabled.
</dd>
</dl>
diff --git a/docs/schemas/domain.rng b/docs/schemas/domain.rng
index f230263..a934a77 100644
--- a/docs/schemas/domain.rng
+++ b/docs/schemas/domain.rng
@@ -337,6 +337,11 @@
<ref name="cpuset"/>
</attribute>
</optional>
+ <optional>
+ <attribute name="current">
+ <ref name="countCPU"/>
+ </attribute>
+ </optional>
<ref name="countCPU"/>
</element>
</optional>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-smp.xml b/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
new file mode 100644
index 0000000..975f873
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
@@ -0,0 +1,28 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory>219200</memory>
+ <currentMemory>219200</currentMemory>
+ <vcpu current='1'>2</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu>
+ <topology sockets='2' cores='1' threads='1'/>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu</emulator>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='ide'/>
+ <address type='drive' controller='0' bus='0' unit='0'/>
+ </disk>
+ <controller type='ide' index='0'/>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/xml2sexprdata/xml2sexpr-pv-vcpus.xml b/tests/xml2sexprdata/xml2sexpr-pv-vcpus.xml
new file mode 100644
index 0000000..d061e11
--- /dev/null
+++ b/tests/xml2sexprdata/xml2sexpr-pv-vcpus.xml
@@ -0,0 +1,22 @@
+<domain type='xen' id='15'>
+ <name>pvtest</name>
+ <uuid>596a5d2171f48fb2e068e2386a5c413e</uuid>
+ <os>
+ <type>linux</type>
+ <kernel>/var/lib/xen/vmlinuz.2Dn2YT</kernel>
+ <initrd>/var/lib/xen/initrd.img.0u-Vhq</initrd>
+ <cmdline> method=http://download.fedora.devel.redhat.com/pub/fedora/linux/core/test/5.91/x86_64/os </cmdline>
+ </os>
+ <memory>430080</memory>
+ <vcpu current='2'>4</vcpu>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>destroy</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <disk type='file' device='disk'>
+ <source file='/root/some.img'/>
+ <target dev='xvda'/>
+ </disk>
+ <console tty='/dev/pts/4'/>
+ </devices>
+</domain>
--
1.7.2.3

View File

@@ -1,62 +0,0 @@
From ea3f5c68093429c6ad507b45689cdf209c2c257b Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Fri, 24 Sep 2010 16:48:45 -0600
Subject: [PATCH 02/15] vcpu: add new public API
API agreed on in
https://www.redhat.com/archives/libvir-list/2010-September/msg00456.html,
but modified for enum names to be consistent with virDomainDeviceModifyFlags.
* include/libvirt/libvirt.h.in (virDomainVcpuFlags)
(virDomainSetVcpusFlags, virDomainGetVcpusFlags): New
declarations.
* src/libvirt_public.syms: Export new symbols.
---
include/libvirt/libvirt.h.in | 15 +++++++++++++++
src/libvirt_public.syms | 2 ++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index 2eba61e..d0cc4c0 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -915,8 +915,23 @@ struct _virVcpuInfo {
};
typedef virVcpuInfo *virVcpuInfoPtr;
+/* Flags for controlling virtual CPU hot-plugging. */
+typedef enum {
+ /* Must choose at least one of these two bits; SetVcpus can choose both */
+ VIR_DOMAIN_VCPU_LIVE = (1 << 0), /* Affect active domain */
+ VIR_DOMAIN_VCPU_CONFIG = (1 << 1), /* Affect next boot */
+
+ /* Additional flags to be bit-wise OR'd in */
+ VIR_DOMAIN_VCPU_MAXIMUM = (1 << 2), /* Max rather than current count */
+} virDomainVcpuFlags;
+
int virDomainSetVcpus (virDomainPtr domain,
unsigned int nvcpus);
+int virDomainSetVcpusFlags (virDomainPtr domain,
+ unsigned int nvcpus,
+ unsigned int flags);
+int virDomainGetVcpusFlags (virDomainPtr domain,
+ unsigned int flags);
int virDomainPinVcpu (virDomainPtr domain,
unsigned int vcpu,
diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
index fceb516..a8091b1 100644
--- a/src/libvirt_public.syms
+++ b/src/libvirt_public.syms
@@ -409,6 +409,8 @@ LIBVIRT_0.8.5 {
global:
virDomainSetMemoryParameters;
virDomainGetMemoryParameters;
+ virDomainGetVcpusFlags;
+ virDomainSetVcpusFlags;
} LIBVIRT_0.8.2;
# .... define new API here using predicted next version number ....
--
1.7.2.3

View File

@@ -1,222 +0,0 @@
From dd255d64053e9960cd375994ce8f056522e12acc Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Mon, 27 Sep 2010 09:18:22 -0600
Subject: [PATCH 03/15] vcpu: define internal driver API
* src/driver.h (virDrvDomainSetVcpusFlags)
(virDrvDomainGetVcpusFlags): New typedefs.
(_virDriver): New callback members.
* src/esx/esx_driver.c (esxDriver): Add stub for driver.
* src/lxc/lxc_driver.c (lxcDriver): Likewise.
* src/opennebula/one_driver.c (oneDriver): Likewise.
* src/openvz/openvz_driver.c (openvzDriver): Likewise.
* src/phyp/phyp_driver.c (phypDriver): Likewise.
* src/qemu/qemu_driver.c (qemuDriver): Likewise.
* src/remote/remote_driver.c (remote_driver): Likewise.
* src/test/test_driver.c (testDriver): Likewise.
* src/uml/uml_driver.c (umlDriver): Likewise.
* src/vbox/vbox_tmpl.c (Driver): Likewise.
* src/xen/xen_driver.c (xenUnifiedDriver): Likewise.
* src/xenapi/xenapi_driver.c (xenapiDriver): Likewise.
---
src/driver.h | 9 +++++++++
src/esx/esx_driver.c | 2 ++
src/lxc/lxc_driver.c | 2 ++
src/opennebula/one_driver.c | 2 ++
src/openvz/openvz_driver.c | 2 ++
src/phyp/phyp_driver.c | 2 ++
src/qemu/qemu_driver.c | 2 ++
src/remote/remote_driver.c | 2 ++
src/test/test_driver.c | 2 ++
src/uml/uml_driver.c | 2 ++
src/vbox/vbox_tmpl.c | 2 ++
src/xen/xen_driver.c | 2 ++
src/xenapi/xenapi_driver.c | 2 ++
13 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/src/driver.h b/src/driver.h
index 32aeb04..79a96c1 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -185,6 +185,13 @@ typedef int
(*virDrvDomainSetVcpus) (virDomainPtr domain,
unsigned int nvcpus);
typedef int
+ (*virDrvDomainSetVcpusFlags) (virDomainPtr domain,
+ unsigned int nvcpus,
+ unsigned int flags);
+typedef int
+ (*virDrvDomainGetVcpusFlags) (virDomainPtr domain,
+ unsigned int flags);
+typedef int
(*virDrvDomainPinVcpu) (virDomainPtr domain,
unsigned int vcpu,
unsigned char *cpumap,
@@ -520,6 +527,8 @@ struct _virDriver {
virDrvDomainRestore domainRestore;
virDrvDomainCoreDump domainCoreDump;
virDrvDomainSetVcpus domainSetVcpus;
+ virDrvDomainSetVcpusFlags domainSetVcpusFlags;
+ virDrvDomainGetVcpusFlags domainGetVcpusFlags;
virDrvDomainPinVcpu domainPinVcpu;
virDrvDomainGetVcpus domainGetVcpus;
virDrvDomainGetMaxVcpus domainGetMaxVcpus;
diff --git a/src/esx/esx_driver.c b/src/esx/esx_driver.c
index 1b4ee29..2a32374 100644
--- a/src/esx/esx_driver.c
+++ b/src/esx/esx_driver.c
@@ -4160,6 +4160,8 @@ static virDriver esxDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
esxDomainSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
esxDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index df814da..7563a8c 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -2768,6 +2768,8 @@ static virDriver lxcDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
NULL, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
NULL, /* domainGetMaxVcpus */
diff --git a/src/opennebula/one_driver.c b/src/opennebula/one_driver.c
index ced9a38..199fca3 100644
--- a/src/opennebula/one_driver.c
+++ b/src/opennebula/one_driver.c
@@ -751,6 +751,8 @@ static virDriver oneDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
NULL, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
NULL, /* domainGetMaxVcpus */
diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c
index 92cf4a1..9d19aeb 100644
--- a/src/openvz/openvz_driver.c
+++ b/src/openvz/openvz_driver.c
@@ -1590,6 +1590,8 @@ static virDriver openvzDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
openvzDomainSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
openvzDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/phyp/phyp_driver.c b/src/phyp/phyp_driver.c
index e63d8d9..6e0a5e9 100644
--- a/src/phyp/phyp_driver.c
+++ b/src/phyp/phyp_driver.c
@@ -3941,6 +3941,8 @@ static virDriver phypDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
phypDomainSetCPU, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
phypGetLparCPUMAX, /* domainGetMaxVcpus */
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index abd8e9d..3d17e04 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -12938,6 +12938,8 @@ static virDriver qemuDriver = {
qemudDomainRestore, /* domainRestore */
qemudDomainCoreDump, /* domainCoreDump */
qemudDomainSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
qemudDomainPinVcpu, /* domainPinVcpu */
qemudDomainGetVcpus, /* domainGetVcpus */
qemudDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 0b10406..1a687ad 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -10468,6 +10468,8 @@ static virDriver remote_driver = {
remoteDomainRestore, /* domainRestore */
remoteDomainCoreDump, /* domainCoreDump */
remoteDomainSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
remoteDomainPinVcpu, /* domainPinVcpu */
remoteDomainGetVcpus, /* domainGetVcpus */
remoteDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index 7d4d119..6a00558 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -5260,6 +5260,8 @@ static virDriver testDriver = {
testDomainRestore, /* domainRestore */
testDomainCoreDump, /* domainCoreDump */
testSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
testDomainPinVcpu, /* domainPinVcpu */
testDomainGetVcpus, /* domainGetVcpus */
testDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/uml/uml_driver.c b/src/uml/uml_driver.c
index 3dcd321..5161012 100644
--- a/src/uml/uml_driver.c
+++ b/src/uml/uml_driver.c
@@ -2129,6 +2129,8 @@ static virDriver umlDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
NULL, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
NULL, /* domainGetMaxVcpus */
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index 7e7d8e4..cb9193a 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -8267,6 +8267,8 @@ virDriver NAME(Driver) = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
vboxDomainSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
vboxDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index c2a4de3..7d67ced 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -1951,6 +1951,8 @@ static virDriver xenUnifiedDriver = {
xenUnifiedDomainRestore, /* domainRestore */
xenUnifiedDomainCoreDump, /* domainCoreDump */
xenUnifiedDomainSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
xenUnifiedDomainPinVcpu, /* domainPinVcpu */
xenUnifiedDomainGetVcpus, /* domainGetVcpus */
xenUnifiedDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index e62a139..753169c 100644
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -1754,6 +1754,8 @@ static virDriver xenapiDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
xenapiDomainSetVcpus, /* domainSetVcpus */
+ NULL, /* domainSetVcpusFlags */
+ NULL, /* domainGetVcpusFlags */
xenapiDomainPinVcpu, /* domainPinVcpu */
xenapiDomainGetVcpus, /* domainGetVcpus */
xenapiDomainGetMaxVcpus, /* domainGetMaxVcpus */
--
1.7.2.3

View File

@@ -1,188 +0,0 @@
From 9d2c60799271d605f82dfd4bfa6ed7d14ad87e26 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Mon, 27 Sep 2010 09:37:22 -0600
Subject: [PATCH 04/15] vcpu: implement the public APIs
Factors common checks (such as nonzero vcpu count) up front, but
drivers will still need to do additional flag checks.
* src/libvirt.c (virDomainSetVcpusFlags, virDomainGetVcpusFlags):
New functions.
(virDomainSetVcpus, virDomainGetMaxVcpus): Refer to new API.
---
src/libvirt.c | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 134 insertions(+), 6 deletions(-)
diff --git a/src/libvirt.c b/src/libvirt.c
index 629d97b..1b39210 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -5192,7 +5192,9 @@ error:
* This function requires privileged access to the hypervisor.
*
* This command only changes the runtime configuration of the domain,
- * so can only be called on an active domain.
+ * so can only be called on an active domain. It is hypervisor-dependent
+ * whether it also affects persistent configuration; for more control,
+ * use virDomainSetVcpusFlags().
*
* Returns 0 in case of success, -1 in case of failure.
*/
@@ -5237,13 +5239,139 @@ error:
}
/**
+ * virDomainSetVcpusFlags:
+ * @domain: pointer to domain object, or NULL for Domain0
+ * @nvcpus: the new number of virtual CPUs for this domain, must be at least 1
+ * @flags: an OR'ed set of virDomainVcpuFlags
+ *
+ * Dynamically change the number of virtual CPUs used by the domain.
+ * Note that this call may fail if the underlying virtualization hypervisor
+ * does not support it or if growing the number is arbitrary limited.
+ * This function requires privileged access to the hypervisor.
+ *
+ * @flags must include VIR_DOMAIN_VCPU_LIVE to affect a running
+ * domain (which may fail if domain is not active), or
+ * VIR_DOMAIN_VCPU_CONFIG to affect the next boot via the XML
+ * description of the domain. Both flags may be set.
+ *
+ * If @flags includes VIR_DOMAIN_VCPU_MAXIMUM, then
+ * VIR_DOMAIN_VCPU_LIVE must be clear, and only the maximum virtual
+ * CPU limit is altered; generally, this value must be less than or
+ * equal to virConnectGetMaxVcpus(). Otherwise, this call affects the
+ * current virtual CPU limit, which must be less than or equal to the
+ * maximum limit.
+ *
+ * Returns 0 in case of success, -1 in case of failure.
+ */
+
+int
+virDomainSetVcpusFlags(virDomainPtr domain, unsigned int nvcpus,
+ unsigned int flags)
+{
+ virConnectPtr conn;
+ VIR_DEBUG("domain=%p, nvcpus=%u, flags=%u", domain, nvcpus, flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
+ virLibDomainError(NULL, VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
+ virDispatchError(NULL);
+ return (-1);
+ }
+ if (domain->conn->flags & VIR_CONNECT_RO) {
+ virLibDomainError(domain, VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ goto error;
+ }
+
+ /* Perform some argument validation common to all implementations. */
+ if (nvcpus < 1 || (unsigned short) nvcpus != nvcpus ||
+ (flags & (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG)) == 0) {
+ virLibDomainError(domain, VIR_ERR_INVALID_ARG, __FUNCTION__);
+ goto error;
+ }
+ conn = domain->conn;
+
+ if (conn->driver->domainSetVcpusFlags) {
+ int ret;
+ ret = conn->driver->domainSetVcpusFlags (domain, nvcpus, flags);
+ if (ret < 0)
+ goto error;
+ return ret;
+ }
+
+ virLibConnError (conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+ virDispatchError(domain->conn);
+ return -1;
+}
+
+/**
+ * virDomainGetVcpusFlags:
+ * @domain: pointer to domain object, or NULL for Domain0
+ * @flags: an OR'ed set of virDomainVcpuFlags
+ *
+ * Query the number of virtual CPUs used by the domain. Note that
+ * this call may fail if the underlying virtualization hypervisor does
+ * not support it. This function requires privileged access to the
+ * hypervisor.
+ *
+ * @flags must include either VIR_DOMAIN_VCPU_ACTIVE to query a
+ * running domain (which will fail if domain is not active), or
+ * VIR_DOMAIN_VCPU_PERSISTENT to query the XML description of the
+ * domain. It is an error to set both flags.
+ *
+ * If @flags includes VIR_DOMAIN_VCPU_MAXIMUM, then the maximum
+ * virtual CPU limit is queried. Otherwise, this call queries the
+ * current virtual CPU limit.
+ *
+ * Returns 0 in case of success, -1 in case of failure.
+ */
+
+int
+virDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
+{
+ virConnectPtr conn;
+ VIR_DEBUG("domain=%p, flags=%u", domain, flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
+ virLibDomainError(NULL, VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
+ virDispatchError(NULL);
+ return (-1);
+ }
+
+ /* Exactly one of these two flags should be set. */
+ if (!(flags & VIR_DOMAIN_VCPU_LIVE) == !(flags & VIR_DOMAIN_VCPU_CONFIG)) {
+ virLibDomainError(domain, VIR_ERR_INVALID_ARG, __FUNCTION__);
+ goto error;
+ }
+ conn = domain->conn;
+
+ if (conn->driver->domainGetVcpusFlags) {
+ int ret;
+ ret = conn->driver->domainGetVcpusFlags (domain, flags);
+ if (ret < 0)
+ goto error;
+ return ret;
+ }
+
+ virLibConnError (conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+ virDispatchError(domain->conn);
+ return -1;
+}
+
+/**
* virDomainPinVcpu:
* @domain: pointer to domain object, or NULL for Domain0
* @vcpu: virtual CPU number
* @cpumap: pointer to a bit map of real CPUs (in 8-bit bytes) (IN)
- * Each bit set to 1 means that corresponding CPU is usable.
- * Bytes are stored in little-endian order: CPU0-7, 8-15...
- * In each byte, lowest CPU number is least significant bit.
+ * Each bit set to 1 means that corresponding CPU is usable.
+ * Bytes are stored in little-endian order: CPU0-7, 8-15...
+ * In each byte, lowest CPU number is least significant bit.
* @maplen: number of bytes in cpumap, from 1 up to size of CPU map in
* underlying virtualization system (Xen...).
* If maplen < size, missing bytes are set to zero.
@@ -5371,9 +5499,9 @@ error:
*
* Provides the maximum number of virtual CPUs supported for
* the guest VM. If the guest is inactive, this is basically
- * the same as virConnectGetMaxVcpus. If the guest is running
+ * the same as virConnectGetMaxVcpus(). If the guest is running
* this will reflect the maximum number of virtual CPUs the
- * guest was booted with.
+ * guest was booted with. For more details, see virDomainGetVcpusFlags().
*
* Returns the maximum of virtual CPU or -1 in case of error.
*/
--
1.7.2.3

View File

@@ -1,421 +0,0 @@
From eb826444f90c2563dadf148630b0cd6a9b41ba1e Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Mon, 27 Sep 2010 10:10:06 -0600
Subject: [PATCH 05/15] vcpu: implement the remote protocol
Done by editing the first three files, then running
'make -C src rpcgen', then editing src/remote_protocol-structs
to match.
* daemon/remote.c (remoteDispatchDomainSetVcpusFlags)
(remoteDispatchDomainGetVcpusFlags): New functions.
* src/remote/remote_driver.c (remoteDomainSetVcpusFlags)
(remoteDomainGetVcpusFlags, remote_driver): Client side
serialization.
* src/remote/remote_protocol.x
(remote_domain_set_vcpus_flags_args)
(remote_domain_get_vcpus_flags_args)
(remote_domain_get_vcpus_flags_ret)
(REMOTE_PROC_DOMAIN_SET_VCPUS_FLAGS)
(REMOTE_PROC_DOMAIN_GET_VCPUS_FLAGS): Define wire format.
* daemon/remote_dispatch_args.h: Regenerate.
* daemon/remote_dispatch_prototypes.h: Likewise.
* daemon/remote_dispatch_table.h: Likewise.
* src/remote/remote_protocol.c: Likewise.
* src/remote/remote_protocol.h: Likewise.
* src/remote_protocol-structs: Likewise.
---
daemon/remote.c | 53 ++++++++++++++++++++++++++++++++
daemon/remote_dispatch_args.h | 2 +
daemon/remote_dispatch_prototypes.h | 16 ++++++++++
daemon/remote_dispatch_ret.h | 1 +
daemon/remote_dispatch_table.h | 10 ++++++
src/remote/remote_driver.c | 57 +++++++++++++++++++++++++++++++++-
src/remote/remote_protocol.c | 33 ++++++++++++++++++++
src/remote/remote_protocol.h | 26 ++++++++++++++++
src/remote/remote_protocol.x | 19 +++++++++++-
src/remote_protocol-structs | 12 +++++++
10 files changed, 226 insertions(+), 3 deletions(-)
diff --git a/daemon/remote.c b/daemon/remote.c
index 7a96e29..323f00c 100644
--- a/daemon/remote.c
+++ b/daemon/remote.c
@@ -1751,6 +1751,33 @@ oom:
}
static int
+remoteDispatchDomainGetVcpusFlags (struct qemud_server *server ATTRIBUTE_UNUSED,
+ struct qemud_client *client ATTRIBUTE_UNUSED,
+ virConnectPtr conn,
+ remote_message_header *hdr ATTRIBUTE_UNUSED,
+ remote_error *rerr,
+ remote_domain_get_vcpus_flags_args *args,
+ remote_domain_get_vcpus_flags_ret *ret)
+{
+ virDomainPtr dom;
+
+ dom = get_nonnull_domain (conn, args->dom);
+ if (dom == NULL) {
+ remoteDispatchConnError(rerr, conn);
+ return -1;
+ }
+
+ ret->num = virDomainGetVcpusFlags (dom, args->flags);
+ if (ret->num == -1) {
+ virDomainFree(dom);
+ remoteDispatchConnError(rerr, conn);
+ return -1;
+ }
+ virDomainFree(dom);
+ return 0;
+}
+
+static int
remoteDispatchDomainMigratePrepare (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client ATTRIBUTE_UNUSED,
virConnectPtr conn,
@@ -2568,6 +2595,32 @@ remoteDispatchDomainSetVcpus (struct qemud_server *server ATTRIBUTE_UNUSED,
}
static int
+remoteDispatchDomainSetVcpusFlags (struct qemud_server *server ATTRIBUTE_UNUSED,
+ struct qemud_client *client ATTRIBUTE_UNUSED,
+ virConnectPtr conn,
+ remote_message_header *hdr ATTRIBUTE_UNUSED,
+ remote_error *rerr,
+ remote_domain_set_vcpus_flags_args *args,
+ void *ret ATTRIBUTE_UNUSED)
+{
+ virDomainPtr dom;
+
+ dom = get_nonnull_domain (conn, args->dom);
+ if (dom == NULL) {
+ remoteDispatchConnError(rerr, conn);
+ return -1;
+ }
+
+ if (virDomainSetVcpusFlags (dom, args->nvcpus, args->flags) == -1) {
+ virDomainFree(dom);
+ remoteDispatchConnError(rerr, conn);
+ return -1;
+ }
+ virDomainFree(dom);
+ return 0;
+}
+
+static int
remoteDispatchDomainShutdown (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client ATTRIBUTE_UNUSED,
virConnectPtr conn,
diff --git a/daemon/remote_dispatch_args.h b/daemon/remote_dispatch_args.h
index d8528b6..9583e9c 100644
--- a/daemon/remote_dispatch_args.h
+++ b/daemon/remote_dispatch_args.h
@@ -167,3 +167,5 @@
remote_domain_create_with_flags_args val_remote_domain_create_with_flags_args;
remote_domain_set_memory_parameters_args val_remote_domain_set_memory_parameters_args;
remote_domain_get_memory_parameters_args val_remote_domain_get_memory_parameters_args;
+ remote_domain_set_vcpus_flags_args val_remote_domain_set_vcpus_flags_args;
+ remote_domain_get_vcpus_flags_args val_remote_domain_get_vcpus_flags_args;
diff --git a/daemon/remote_dispatch_prototypes.h b/daemon/remote_dispatch_prototypes.h
index b674bb4..6b35851 100644
--- a/daemon/remote_dispatch_prototypes.h
+++ b/daemon/remote_dispatch_prototypes.h
@@ -306,6 +306,14 @@ static int remoteDispatchDomainGetVcpus(
remote_error *err,
remote_domain_get_vcpus_args *args,
remote_domain_get_vcpus_ret *ret);
+static int remoteDispatchDomainGetVcpusFlags(
+ struct qemud_server *server,
+ struct qemud_client *client,
+ virConnectPtr conn,
+ remote_message_header *hdr,
+ remote_error *err,
+ remote_domain_get_vcpus_flags_args *args,
+ remote_domain_get_vcpus_flags_ret *ret);
static int remoteDispatchDomainHasCurrentSnapshot(
struct qemud_server *server,
struct qemud_client *client,
@@ -554,6 +562,14 @@ static int remoteDispatchDomainSetVcpus(
remote_error *err,
remote_domain_set_vcpus_args *args,
void *ret);
+static int remoteDispatchDomainSetVcpusFlags(
+ struct qemud_server *server,
+ struct qemud_client *client,
+ virConnectPtr conn,
+ remote_message_header *hdr,
+ remote_error *err,
+ remote_domain_set_vcpus_flags_args *args,
+ void *ret);
static int remoteDispatchDomainShutdown(
struct qemud_server *server,
struct qemud_client *client,
diff --git a/daemon/remote_dispatch_ret.h b/daemon/remote_dispatch_ret.h
index 17c9bca..3723b00 100644
--- a/daemon/remote_dispatch_ret.h
+++ b/daemon/remote_dispatch_ret.h
@@ -136,3 +136,4 @@
remote_domain_get_block_info_ret val_remote_domain_get_block_info_ret;
remote_domain_create_with_flags_ret val_remote_domain_create_with_flags_ret;
remote_domain_get_memory_parameters_ret val_remote_domain_get_memory_parameters_ret;
+ remote_domain_get_vcpus_flags_ret val_remote_domain_get_vcpus_flags_ret;
diff --git a/daemon/remote_dispatch_table.h b/daemon/remote_dispatch_table.h
index 47d95eb..dd2adc7 100644
--- a/daemon/remote_dispatch_table.h
+++ b/daemon/remote_dispatch_table.h
@@ -997,3 +997,13 @@
.args_filter = (xdrproc_t) xdr_remote_domain_get_memory_parameters_args,
.ret_filter = (xdrproc_t) xdr_remote_domain_get_memory_parameters_ret,
},
+{ /* DomainSetVcpusFlags => 199 */
+ .fn = (dispatch_fn) remoteDispatchDomainSetVcpusFlags,
+ .args_filter = (xdrproc_t) xdr_remote_domain_set_vcpus_flags_args,
+ .ret_filter = (xdrproc_t) xdr_void,
+},
+{ /* DomainGetVcpusFlags => 200 */
+ .fn = (dispatch_fn) remoteDispatchDomainGetVcpusFlags,
+ .args_filter = (xdrproc_t) xdr_remote_domain_get_vcpus_flags_args,
+ .ret_filter = (xdrproc_t) xdr_remote_domain_get_vcpus_flags_ret,
+},
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 1a687ad..37c37ef 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -2580,6 +2580,59 @@ done:
}
static int
+remoteDomainSetVcpusFlags (virDomainPtr domain, unsigned int nvcpus,
+ unsigned int flags)
+{
+ int rv = -1;
+ remote_domain_set_vcpus_flags_args args;
+ struct private_data *priv = domain->conn->privateData;
+
+ remoteDriverLock(priv);
+
+ make_nonnull_domain (&args.dom, domain);
+ args.nvcpus = nvcpus;
+ args.flags = flags;
+
+ if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_SET_VCPUS_FLAGS,
+ (xdrproc_t) xdr_remote_domain_set_vcpus_flags_args,
+ (char *) &args,
+ (xdrproc_t) xdr_void, (char *) NULL) == -1)
+ goto done;
+
+ rv = 0;
+
+done:
+ remoteDriverUnlock(priv);
+ return rv;
+}
+
+static int
+remoteDomainGetVcpusFlags (virDomainPtr domain, unsigned int flags)
+{
+ int rv = -1;
+ remote_domain_get_vcpus_flags_args args;
+ remote_domain_get_vcpus_flags_ret ret;
+ struct private_data *priv = domain->conn->privateData;
+
+ remoteDriverLock(priv);
+
+ make_nonnull_domain (&args.dom, domain);
+ args.flags = flags;
+
+ memset (&ret, 0, sizeof ret);
+ if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_VCPUS_FLAGS,
+ (xdrproc_t) xdr_remote_domain_get_vcpus_flags_args, (char *) &args,
+ (xdrproc_t) xdr_remote_domain_get_vcpus_flags_ret, (char *) &ret) == -1)
+ goto done;
+
+ rv = ret.num;
+
+done:
+ remoteDriverUnlock(priv);
+ return rv;
+}
+
+static int
remoteDomainPinVcpu (virDomainPtr domain,
unsigned int vcpu,
unsigned char *cpumap,
@@ -10468,8 +10521,8 @@ static virDriver remote_driver = {
remoteDomainRestore, /* domainRestore */
remoteDomainCoreDump, /* domainCoreDump */
remoteDomainSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ remoteDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ remoteDomainGetVcpusFlags, /* domainGetVcpusFlags */
remoteDomainPinVcpu, /* domainPinVcpu */
remoteDomainGetVcpus, /* domainGetVcpus */
remoteDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/remote/remote_protocol.c b/src/remote/remote_protocol.c
index 5c55713..38ea050 100644
--- a/src/remote/remote_protocol.c
+++ b/src/remote/remote_protocol.c
@@ -1355,6 +1355,39 @@ xdr_remote_domain_set_vcpus_args (XDR *xdrs, remote_domain_set_vcpus_args *objp)
}
bool_t
+xdr_remote_domain_set_vcpus_flags_args (XDR *xdrs, remote_domain_set_vcpus_flags_args *objp)
+{
+
+ if (!xdr_remote_nonnull_domain (xdrs, &objp->dom))
+ return FALSE;
+ if (!xdr_u_int (xdrs, &objp->nvcpus))
+ return FALSE;
+ if (!xdr_u_int (xdrs, &objp->flags))
+ return FALSE;
+ return TRUE;
+}
+
+bool_t
+xdr_remote_domain_get_vcpus_flags_args (XDR *xdrs, remote_domain_get_vcpus_flags_args *objp)
+{
+
+ if (!xdr_remote_nonnull_domain (xdrs, &objp->dom))
+ return FALSE;
+ if (!xdr_u_int (xdrs, &objp->flags))
+ return FALSE;
+ return TRUE;
+}
+
+bool_t
+xdr_remote_domain_get_vcpus_flags_ret (XDR *xdrs, remote_domain_get_vcpus_flags_ret *objp)
+{
+
+ if (!xdr_int (xdrs, &objp->num))
+ return FALSE;
+ return TRUE;
+}
+
+bool_t
xdr_remote_domain_pin_vcpu_args (XDR *xdrs, remote_domain_pin_vcpu_args *objp)
{
char **objp_cpp0 = (char **) (void *) &objp->cpumap.cpumap_val;
diff --git a/src/remote/remote_protocol.h b/src/remote/remote_protocol.h
index 756da11..d75e76c 100644
--- a/src/remote/remote_protocol.h
+++ b/src/remote/remote_protocol.h
@@ -750,6 +750,24 @@ struct remote_domain_set_vcpus_args {
};
typedef struct remote_domain_set_vcpus_args remote_domain_set_vcpus_args;
+struct remote_domain_set_vcpus_flags_args {
+ remote_nonnull_domain dom;
+ u_int nvcpus;
+ u_int flags;
+};
+typedef struct remote_domain_set_vcpus_flags_args remote_domain_set_vcpus_flags_args;
+
+struct remote_domain_get_vcpus_flags_args {
+ remote_nonnull_domain dom;
+ u_int flags;
+};
+typedef struct remote_domain_get_vcpus_flags_args remote_domain_get_vcpus_flags_args;
+
+struct remote_domain_get_vcpus_flags_ret {
+ int num;
+};
+typedef struct remote_domain_get_vcpus_flags_ret remote_domain_get_vcpus_flags_ret;
+
struct remote_domain_pin_vcpu_args {
remote_nonnull_domain dom;
int vcpu;
@@ -2281,6 +2299,8 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_CREATE_WITH_FLAGS = 196,
REMOTE_PROC_DOMAIN_SET_MEMORY_PARAMETERS = 197,
REMOTE_PROC_DOMAIN_GET_MEMORY_PARAMETERS = 198,
+ REMOTE_PROC_DOMAIN_SET_VCPUS_FLAGS = 199,
+ REMOTE_PROC_DOMAIN_GET_VCPUS_FLAGS = 200,
};
typedef enum remote_procedure remote_procedure;
@@ -2422,6 +2442,9 @@ extern bool_t xdr_remote_domain_define_xml_args (XDR *, remote_domain_define_xm
extern bool_t xdr_remote_domain_define_xml_ret (XDR *, remote_domain_define_xml_ret*);
extern bool_t xdr_remote_domain_undefine_args (XDR *, remote_domain_undefine_args*);
extern bool_t xdr_remote_domain_set_vcpus_args (XDR *, remote_domain_set_vcpus_args*);
+extern bool_t xdr_remote_domain_set_vcpus_flags_args (XDR *, remote_domain_set_vcpus_flags_args*);
+extern bool_t xdr_remote_domain_get_vcpus_flags_args (XDR *, remote_domain_get_vcpus_flags_args*);
+extern bool_t xdr_remote_domain_get_vcpus_flags_ret (XDR *, remote_domain_get_vcpus_flags_ret*);
extern bool_t xdr_remote_domain_pin_vcpu_args (XDR *, remote_domain_pin_vcpu_args*);
extern bool_t xdr_remote_domain_get_vcpus_args (XDR *, remote_domain_get_vcpus_args*);
extern bool_t xdr_remote_domain_get_vcpus_ret (XDR *, remote_domain_get_vcpus_ret*);
@@ -2762,6 +2785,9 @@ extern bool_t xdr_remote_domain_define_xml_args ();
extern bool_t xdr_remote_domain_define_xml_ret ();
extern bool_t xdr_remote_domain_undefine_args ();
extern bool_t xdr_remote_domain_set_vcpus_args ();
+extern bool_t xdr_remote_domain_set_vcpus_flags_args ();
+extern bool_t xdr_remote_domain_get_vcpus_flags_args ();
+extern bool_t xdr_remote_domain_get_vcpus_flags_ret ();
extern bool_t xdr_remote_domain_pin_vcpu_args ();
extern bool_t xdr_remote_domain_get_vcpus_args ();
extern bool_t xdr_remote_domain_get_vcpus_ret ();
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index e80fb5f..d57e6d0 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -768,6 +768,21 @@ struct remote_domain_set_vcpus_args {
int nvcpus;
};
+struct remote_domain_set_vcpus_flags_args {
+ remote_nonnull_domain dom;
+ unsigned int nvcpus;
+ unsigned int flags;
+};
+
+struct remote_domain_get_vcpus_flags_args {
+ remote_nonnull_domain dom;
+ unsigned int flags;
+};
+
+struct remote_domain_get_vcpus_flags_ret {
+ int num;
+};
+
struct remote_domain_pin_vcpu_args {
remote_nonnull_domain dom;
int vcpu;
@@ -2062,7 +2077,9 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_EVENT_IO_ERROR_REASON = 195,
REMOTE_PROC_DOMAIN_CREATE_WITH_FLAGS = 196,
REMOTE_PROC_DOMAIN_SET_MEMORY_PARAMETERS = 197,
- REMOTE_PROC_DOMAIN_GET_MEMORY_PARAMETERS = 198
+ REMOTE_PROC_DOMAIN_GET_MEMORY_PARAMETERS = 198,
+ REMOTE_PROC_DOMAIN_SET_VCPUS_FLAGS = 199,
+ REMOTE_PROC_DOMAIN_GET_VCPUS_FLAGS = 200
/*
* Notice how the entries are grouped in sets of 10 ?
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index 838423e..d505886 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -461,6 +461,18 @@ struct remote_domain_set_vcpus_args {
remote_nonnull_domain dom;
int nvcpus;
};
+struct remote_domain_set_vcpus_flags_args {
+ remote_nonnull_domain dom;
+ u_int nvcpus;
+ u_int flags;
+};
+struct remote_domain_get_vcpus_flags_args {
+ remote_nonnull_domain dom;
+ u_int flags;
+};
+struct remote_domain_get_vcpus_flags_ret {
+ int num;
+};
struct remote_domain_pin_vcpu_args {
remote_nonnull_domain dom;
int vcpu;
--
1.7.2.3

View File

@@ -1,735 +0,0 @@
From 50c51f13e2af04afac46e181c4ed62581545a488 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Mon, 27 Sep 2010 16:37:53 -0600
Subject: [PATCH 06/15] vcpu: make old API trivially wrap to new API
Note - this wrapping is completely mechanical; the old API will
function identically, since the new API validates that the exact
same flags are provided by the old API. On a per-driver basis,
it may make sense to have the old API pass a different set of flags,
but that should be done in the per-driver patch that implements
the full range of flag support in the new API.
* src/esx/esx_driver.c (esxDomainSetVcpus, escDomainGetMaxVpcus):
Move guts...
(esxDomainSetVcpusFlags, esxDomainGetVcpusFlags): ...to new
functions.
(esxDriver): Trivially support the new API.
* src/openvz/openvz_driver.c (openvzDomainSetVcpus)
(openvzDomainSetVcpusFlags, openvzDomainGetMaxVcpus)
(openvzDomainGetVcpusFlags, openvzDriver): Likewise.
* src/phyp/phyp_driver.c (phypDomainSetCPU)
(phypDomainSetVcpusFlags, phypGetLparCPUMAX)
(phypDomainGetVcpusFlags, phypDriver): Likewise.
* src/qemu/qemu_driver.c (qemudDomainSetVcpus)
(qemudDomainSetVcpusFlags, qemudDomainGetMaxVcpus)
(qemudDomainGetVcpusFlags, qemuDriver): Likewise.
* src/test/test_driver.c (testSetVcpus, testDomainSetVcpusFlags)
(testDomainGetMaxVcpus, testDomainGetVcpusFlags, testDriver):
Likewise.
* src/vbox/vbox_tmpl.c (vboxDomainSetVcpus)
(vboxDomainSetVcpusFlags, virDomainGetMaxVcpus)
(virDomainGetVcpusFlags, virDriver): Likewise.
* src/xen/xen_driver.c (xenUnifiedDomainSetVcpus)
(xenUnifiedDomainSetVcpusFlags, xenUnifiedDomainGetMaxVcpus)
(xenUnifiedDomainGetVcpusFlags, xenUnifiedDriver): Likewise.
* src/xenapi/xenapi_driver.c (xenapiDomainSetVcpus)
(xenapiDomainSetVcpusFlags, xenapiDomainGetMaxVcpus)
(xenapiDomainGetVcpusFlags, xenapiDriver): Likewise.
(xenapiError): New helper macro.
---
src/esx/esx_driver.c | 32 +++++++++++++++++++---
src/openvz/openvz_driver.c | 34 +++++++++++++++++++++---
src/phyp/phyp_driver.c | 32 ++++++++++++++++++++---
src/qemu/qemu_driver.c | 38 +++++++++++++++++++++++++---
src/test/test_driver.c | 36 ++++++++++++++++++++++---
src/vbox/vbox_tmpl.c | 36 +++++++++++++++++++++++---
src/xen/xen_driver.c | 34 ++++++++++++++++++++++---
src/xenapi/xenapi_driver.c | 60 ++++++++++++++++++++++++++++++++++++++------
8 files changed, 263 insertions(+), 39 deletions(-)
diff --git a/src/esx/esx_driver.c b/src/esx/esx_driver.c
index 2a32374..b3e1284 100644
--- a/src/esx/esx_driver.c
+++ b/src/esx/esx_driver.c
@@ -2384,7 +2384,8 @@ esxDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info)
static int
-esxDomainSetVcpus(virDomainPtr domain, unsigned int nvcpus)
+esxDomainSetVcpusFlags(virDomainPtr domain, unsigned int nvcpus,
+ unsigned int flags)
{
int result = -1;
esxPrivate *priv = domain->conn->privateData;
@@ -2394,6 +2395,11 @@ esxDomainSetVcpus(virDomainPtr domain, unsigned int nvcpus)
esxVI_ManagedObjectReference *task = NULL;
esxVI_TaskInfoState taskInfoState;
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ ESX_ERROR(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
if (nvcpus < 1) {
ESX_ERROR(VIR_ERR_INVALID_ARG, "%s",
_("Requested number of virtual CPUs must at least be 1"));
@@ -2453,15 +2459,26 @@ esxDomainSetVcpus(virDomainPtr domain, unsigned int nvcpus)
}
+static int
+esxDomainSetVcpus(virDomainPtr domain, unsigned int nvcpus)
+{
+ return esxDomainSetVcpusFlags(domain, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
static int
-esxDomainGetMaxVcpus(virDomainPtr domain)
+esxDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
{
esxPrivate *priv = domain->conn->privateData;
esxVI_String *propertyNameList = NULL;
esxVI_ObjectContent *hostSystem = NULL;
esxVI_DynamicProperty *dynamicProperty = NULL;
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ ESX_ERROR(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
if (priv->maxVcpus > 0) {
return priv->maxVcpus;
}
@@ -2507,7 +2524,12 @@ esxDomainGetMaxVcpus(virDomainPtr domain)
return priv->maxVcpus;
}
-
+static int
+esxDomainGetMaxVcpus(virDomainPtr domain)
+{
+ return esxDomainGetVcpusFlags(domain, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
static char *
esxDomainDumpXML(virDomainPtr domain, int flags)
@@ -4160,8 +4182,8 @@ static virDriver esxDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
esxDomainSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ esxDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ esxDomainGetVcpusFlags, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
esxDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c
index 9d19aeb..0f3cfdf 100644
--- a/src/openvz/openvz_driver.c
+++ b/src/openvz/openvz_driver.c
@@ -67,7 +67,6 @@
static int openvzGetProcessInfo(unsigned long long *cpuTime, int vpsid);
static int openvzGetMaxVCPUs(virConnectPtr conn, const char *type);
static int openvzDomainGetMaxVcpus(virDomainPtr dom);
-static int openvzDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus);
static int openvzDomainSetVcpusInternal(virDomainObjPtr vm,
unsigned int nvcpus);
static int openvzDomainSetMemoryInternal(virDomainObjPtr vm,
@@ -1211,11 +1210,24 @@ static int openvzGetMaxVCPUs(virConnectPtr conn ATTRIBUTE_UNUSED,
return -1;
}
+static int
+openvzDomainGetVcpusFlags(virDomainPtr dom ATTRIBUTE_UNUSED,
+ unsigned int flags)
+{
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ openvzError(VIR_ERR_INVALID_ARG, _("unsupported flags (0x%x)"), flags);
+ return -1;
+ }
-static int openvzDomainGetMaxVcpus(virDomainPtr dom ATTRIBUTE_UNUSED) {
return openvzGetMaxVCPUs(NULL, "openvz");
}
+static int openvzDomainGetMaxVcpus(virDomainPtr dom)
+{
+ return openvzDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
+
static int openvzDomainSetVcpusInternal(virDomainObjPtr vm,
unsigned int nvcpus)
{
@@ -1241,12 +1253,18 @@ static int openvzDomainSetVcpusInternal(virDomainObjPtr vm,
return 0;
}
-static int openvzDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus)
+static int openvzDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
+ unsigned int flags)
{
virDomainObjPtr vm;
struct openvz_driver *driver = dom->conn->privateData;
int ret = -1;
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ openvzError(VIR_ERR_INVALID_ARG, _("unsupported flags (0x%x)"), flags);
+ return -1;
+ }
+
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
openvzDriverUnlock(driver);
@@ -1272,6 +1290,12 @@ cleanup:
return ret;
}
+static int
+openvzDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus)
+{
+ return openvzDomainSetVcpusFlags(dom, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
static virDrvOpenStatus openvzOpen(virConnectPtr conn,
virConnectAuthPtr auth ATTRIBUTE_UNUSED,
int flags ATTRIBUTE_UNUSED)
@@ -1590,8 +1614,8 @@ static virDriver openvzDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
openvzDomainSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ openvzDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ openvzDomainGetVcpusFlags, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
openvzDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/phyp/phyp_driver.c b/src/phyp/phyp_driver.c
index 6e0a5e9..e284ae0 100644
--- a/src/phyp/phyp_driver.c
+++ b/src/phyp/phyp_driver.c
@@ -1497,15 +1497,27 @@ phypGetLparCPU(virConnectPtr conn, const char *managed_system, int lpar_id)
}
static int
-phypGetLparCPUMAX(virDomainPtr dom)
+phypDomainGetVcpusFlags(virDomainPtr dom, unsigned int flags)
{
phyp_driverPtr phyp_driver = dom->conn->privateData;
char *managed_system = phyp_driver->managed_system;
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ PHYP_ERROR(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
return phypGetLparCPUGeneric(dom->conn, managed_system, dom->id, 1);
}
static int
+phypGetLparCPUMAX(virDomainPtr dom)
+{
+ return phypDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
+
+static int
phypGetRemoteSlot(virConnectPtr conn, const char *managed_system,
const char *lpar_name)
{
@@ -3831,7 +3843,8 @@ phypConnectGetCapabilities(virConnectPtr conn)
}
static int
-phypDomainSetCPU(virDomainPtr dom, unsigned int nvcpus)
+phypDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
+ unsigned int flags)
{
ConnectionData *connection_data = dom->conn->networkPrivateData;
phyp_driverPtr phyp_driver = dom->conn->privateData;
@@ -3846,6 +3859,11 @@ phypDomainSetCPU(virDomainPtr dom, unsigned int nvcpus)
unsigned int amount = 0;
virBuffer buf = VIR_BUFFER_INITIALIZER;
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ PHYP_ERROR(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
if ((ncpus = phypGetLparCPU(dom->conn, managed_system, dom->id)) == 0)
return 0;
@@ -3891,6 +3909,12 @@ phypDomainSetCPU(virDomainPtr dom, unsigned int nvcpus)
}
+static int
+phypDomainSetCPU(virDomainPtr dom, unsigned int nvcpus)
+{
+ return phypDomainSetVcpusFlags(dom, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
static virDrvOpenStatus
phypVIOSDriverOpen(virConnectPtr conn,
virConnectAuthPtr auth ATTRIBUTE_UNUSED,
@@ -3941,8 +3965,8 @@ static virDriver phypDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
phypDomainSetCPU, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ phypDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ phypDomainGetVcpusFlags, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
phypGetLparCPUMAX, /* domainGetMaxVcpus */
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 3d17e04..7a2ea8f 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -5934,13 +5934,22 @@ unsupported:
}
-static int qemudDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus) {
+static int
+qemudDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
+ unsigned int flags)
+{
struct qemud_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char * type;
int max;
int ret = -1;
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ qemuReportError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
+ flags);
+ return -1;
+ }
+
qemuDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
qemuDriverUnlock(driver);
@@ -5994,6 +6003,12 @@ cleanup:
return ret;
}
+static int
+qemudDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus)
+{
+ return qemudDomainSetVcpusFlags(dom, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
static int
qemudDomainPinVcpu(virDomainPtr dom,
@@ -6150,12 +6165,20 @@ cleanup:
}
-static int qemudDomainGetMaxVcpus(virDomainPtr dom) {
+static int
+qemudDomainGetVcpusFlags(virDomainPtr dom, unsigned int flags)
+{
struct qemud_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *type;
int ret = -1;
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ qemuReportError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
+ flags);
+ return -1;
+ }
+
qemuDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
qemuDriverUnlock(driver);
@@ -6183,6 +6206,13 @@ cleanup:
return ret;
}
+static int
+qemudDomainGetMaxVcpus(virDomainPtr dom)
+{
+ return qemudDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
+
static int qemudDomainGetSecurityLabel(virDomainPtr dom, virSecurityLabelPtr seclabel)
{
struct qemud_driver *driver = (struct qemud_driver *)dom->conn->privateData;
@@ -12938,8 +12968,8 @@ static virDriver qemuDriver = {
qemudDomainRestore, /* domainRestore */
qemudDomainCoreDump, /* domainCoreDump */
qemudDomainSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ qemudDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ qemudDomainGetVcpusFlags, /* domainGetVcpusFlags */
qemudDomainPinVcpu, /* domainPinVcpu */
qemudDomainGetVcpus, /* domainGetVcpus */
qemudDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index 6a00558..b70c80d 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -2029,17 +2029,37 @@ cleanup:
return ret;
}
-static int testDomainGetMaxVcpus(virDomainPtr domain)
+static int
+testDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
{
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ testError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
return testGetMaxVCPUs(domain->conn, "test");
}
-static int testSetVcpus(virDomainPtr domain,
- unsigned int nrCpus) {
+static int
+testDomainGetMaxVcpus(virDomainPtr domain)
+{
+ return testDomainGetVcpusFlags(domain, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
+
+static int
+testDomainSetVcpusFlags(virDomainPtr domain, unsigned int nrCpus,
+ unsigned int flags)
+{
testConnPtr privconn = domain->conn->privateData;
virDomainObjPtr privdom = NULL;
int ret = -1, maxvcpus;
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ testError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
/* Do this first before locking */
maxvcpus = testDomainGetMaxVcpus(domain);
if (maxvcpus < 0)
@@ -2082,6 +2102,12 @@ cleanup:
return ret;
}
+static int
+testSetVcpus(virDomainPtr domain, unsigned int nrCpus)
+{
+ return testDomainSetVcpusFlags(domain, nrCpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
static int testDomainGetVcpus(virDomainPtr domain,
virVcpuInfoPtr info,
int maxinfo,
@@ -5260,8 +5286,8 @@ static virDriver testDriver = {
testDomainRestore, /* domainRestore */
testDomainCoreDump, /* domainCoreDump */
testSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ testDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ testDomainGetVcpusFlags, /* domainGetVcpusFlags */
testDomainPinVcpu, /* domainPinVcpu */
testDomainGetVcpus, /* domainGetVcpus */
testDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index cb9193a..0cbe8b3 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -1839,13 +1839,21 @@ cleanup:
return ret;
}
-static int vboxDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus) {
+static int
+vboxDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
+ unsigned int flags)
+{
VBOX_OBJECT_CHECK(dom->conn, int, -1);
IMachine *machine = NULL;
vboxIID *iid = NULL;
PRUint32 CPUCount = nvcpus;
nsresult rc;
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ vboxError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
#if VBOX_API_VERSION == 2002
if (VIR_ALLOC(iid) < 0) {
virReportOOMError();
@@ -1887,11 +1895,24 @@ cleanup:
return ret;
}
-static int vboxDomainGetMaxVcpus(virDomainPtr dom) {
+static int
+vboxDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus)
+{
+ return vboxDomainSetVcpusFlags(dom, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
+static int
+vboxDomainGetVcpusFlags(virDomainPtr dom, unsigned int flags)
+{
VBOX_OBJECT_CHECK(dom->conn, int, -1);
ISystemProperties *systemProperties = NULL;
PRUint32 maxCPUCount = 0;
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ vboxError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ return -1;
+ }
+
/* Currently every domain supports the same number of max cpus
* as that supported by vbox and thus take it directly from
* the systemproperties.
@@ -1909,6 +1930,13 @@ static int vboxDomainGetMaxVcpus(virDomainPtr dom) {
return ret;
}
+static int
+vboxDomainGetMaxVcpus(virDomainPtr dom)
+{
+ return vboxDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
+
static char *vboxDomainDumpXML(virDomainPtr dom, int flags) {
VBOX_OBJECT_CHECK(dom->conn, char *, NULL);
virDomainDefPtr def = NULL;
@@ -8267,8 +8295,8 @@ virDriver NAME(Driver) = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
vboxDomainSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ vboxDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ vboxDomainGetVcpusFlags, /* domainGetVcpusFlags */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
vboxDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index 7d67ced..d6c9c57 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -1069,11 +1069,18 @@ xenUnifiedDomainCoreDump (virDomainPtr dom, const char *to, int flags)
}
static int
-xenUnifiedDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
+xenUnifiedDomainSetVcpusFlags (virDomainPtr dom, unsigned int nvcpus,
+ unsigned int flags)
{
GET_PRIVATE(dom->conn);
int i;
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ xenUnifiedError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
+ flags);
+ return -1;
+ }
+
/* Try non-hypervisor methods first, then hypervisor direct method
* as a last resort.
*/
@@ -1093,6 +1100,12 @@ xenUnifiedDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
}
static int
+xenUnifiedDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
+{
+ return xenUnifiedDomainSetVcpusFlags(dom, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
+static int
xenUnifiedDomainPinVcpu (virDomainPtr dom, unsigned int vcpu,
unsigned char *cpumap, int maplen)
{
@@ -1126,11 +1139,17 @@ xenUnifiedDomainGetVcpus (virDomainPtr dom,
}
static int
-xenUnifiedDomainGetMaxVcpus (virDomainPtr dom)
+xenUnifiedDomainGetVcpusFlags (virDomainPtr dom, unsigned int flags)
{
GET_PRIVATE(dom->conn);
int i, ret;
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ xenUnifiedError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
+ flags);
+ return -1;
+ }
+
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
if (priv->opened[i] && drivers[i]->domainGetMaxVcpus) {
ret = drivers[i]->domainGetMaxVcpus (dom);
@@ -1140,6 +1159,13 @@ xenUnifiedDomainGetMaxVcpus (virDomainPtr dom)
return -1;
}
+static int
+xenUnifiedDomainGetMaxVcpus (virDomainPtr dom)
+{
+ return xenUnifiedDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
+
static char *
xenUnifiedDomainDumpXML (virDomainPtr dom, int flags)
{
@@ -1951,8 +1977,8 @@ static virDriver xenUnifiedDriver = {
xenUnifiedDomainRestore, /* domainRestore */
xenUnifiedDomainCoreDump, /* domainCoreDump */
xenUnifiedDomainSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ xenUnifiedDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ xenUnifiedDomainGetVcpusFlags, /* domainGetVcpusFlags */
xenUnifiedDomainPinVcpu, /* domainPinVcpu */
xenUnifiedDomainGetVcpus, /* domainGetVcpus */
xenUnifiedDomainGetMaxVcpus, /* domainGetMaxVcpus */
diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index 753169c..7d4ab8d 100644
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -40,6 +40,11 @@
#include "xenapi_driver_private.h"
#include "xenapi_utils.h"
+#define VIR_FROM_THIS VIR_FROM_XENAPI
+
+#define xenapiError(code, ...) \
+ virReportErrorHelper(NULL, VIR_FROM_THIS, code, __FILE__, \
+ __FUNCTION__, __LINE__, __VA_ARGS__)
/*
* getCapsObject
@@ -987,19 +992,26 @@ xenapiDomainGetInfo (virDomainPtr dom, virDomainInfoPtr info)
/*
- * xenapiDomainSetVcpus
+ * xenapiDomainSetVcpusFlags
*
* Sets the VCPUs on the domain
* Return 0 on success or -1 in case of error
*/
static int
-xenapiDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
+xenapiDomainSetVcpusFlags (virDomainPtr dom, unsigned int nvcpus,
+ unsigned int flags)
{
-
/* vm.set_vcpus_max */
xen_vm vm;
xen_vm_set *vms;
xen_session *session = ((struct _xenapiPrivate *)(dom->conn->privateData))->session;
+
+ if (flags != VIR_DOMAIN_VCPU_LIVE) {
+ xenapiError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
+ flags);
+ return -1;
+ }
+
if (xen_vm_get_by_name_label(session, &vms, dom->name) && vms->size > 0) {
if (vms->size != 1) {
xenapiSessionErrorHandler(dom->conn, VIR_ERR_INTERNAL_ERROR,
@@ -1019,6 +1031,18 @@ xenapiDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
}
/*
+ * xenapiDomainSetVcpus
+ *
+ * Sets the VCPUs on the domain
+ * Return 0 on success or -1 in case of error
+ */
+static int
+xenapiDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
+{
+ return xenapiDomainSetVcpusFlags(dom, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+}
+
+/*
* xenapiDomainPinVcpu
*
* Dynamically change the real CPUs which can be allocated to a virtual CPU
@@ -1140,19 +1164,26 @@ xenapiDomainGetVcpus (virDomainPtr dom,
}
/*
- * xenapiDomainGetMaxVcpus
+ * xenapiDomainGetVcpusFlags
*
*
- * Returns maximum number of Vcpus on success or -1 in case of error
+ * Returns Vcpus count on success or -1 in case of error
*/
static int
-xenapiDomainGetMaxVcpus (virDomainPtr dom)
+xenapiDomainGetVcpusFlags (virDomainPtr dom, unsigned int flags)
{
xen_vm vm;
xen_vm_set *vms;
int64_t maxvcpu = 0;
enum xen_vm_power_state state;
xen_session *session = ((struct _xenapiPrivate *)(dom->conn->privateData))->session;
+
+ if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
+ xenapiError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
+ flags);
+ return -1;
+ }
+
if (xen_vm_get_by_name_label(session, &vms, dom->name) && vms->size > 0) {
if (vms->size != 1) {
xenapiSessionErrorHandler(dom->conn, VIR_ERR_INTERNAL_ERROR,
@@ -1176,6 +1207,19 @@ xenapiDomainGetMaxVcpus (virDomainPtr dom)
}
/*
+ * xenapiDomainGetMaxVcpus
+ *
+ *
+ * Returns maximum number of Vcpus on success or -1 in case of error
+ */
+static int
+xenapiDomainGetMaxVcpus (virDomainPtr dom)
+{
+ return xenapiDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_MAXIMUM));
+}
+
+/*
* xenapiDomainDumpXML
*
*
@@ -1754,8 +1798,8 @@ static virDriver xenapiDriver = {
NULL, /* domainRestore */
NULL, /* domainCoreDump */
xenapiDomainSetVcpus, /* domainSetVcpus */
- NULL, /* domainSetVcpusFlags */
- NULL, /* domainGetVcpusFlags */
+ xenapiDomainSetVcpusFlags, /* domainSetVcpusFlags */
+ xenapiDomainGetVcpusFlags, /* domainGetVcpusFlags */
xenapiDomainPinVcpu, /* domainPinVcpu */
xenapiDomainGetVcpus, /* domainGetVcpus */
xenapiDomainGetMaxVcpus, /* domainGetMaxVcpus */
--
1.7.2.3

View File

@@ -1,388 +0,0 @@
From bf945ee97b72d3b0c4fc2da04530f5294f529d66 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Wed, 29 Sep 2010 15:20:23 -0600
Subject: [PATCH 08/15] vcpu: add virsh support
* tools/virsh.c (cmdSetvcpus): Add new flags. Let invalid
commands through to driver, to ease testing of hypervisor argument
validation.
(cmdMaxvcpus, cmdVcpucount): New commands.
(commands): Add new commands.
* tools/virsh.pod (setvcpus, vcpucount, maxvcpus): Document new
behavior.
---
tools/virsh.c | 247 ++++++++++++++++++++++++++++++++++++++++++++++++++-----
tools/virsh.pod | 38 ++++++++-
2 files changed, 262 insertions(+), 23 deletions(-)
diff --git a/tools/virsh.c b/tools/virsh.c
index 4f8c495..7fb7fbd 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -2281,10 +2281,216 @@ cmdFreecell(vshControl *ctl, const vshCmd *cmd)
}
/*
+ * "maxvcpus" command
+ */
+static const vshCmdInfo info_maxvcpus[] = {
+ {"help", N_("connection vcpu maximum")},
+ {"desc", N_("Show maximum number of virtual CPUs for guests on this connection.")},
+ {NULL, NULL}
+};
+
+static const vshCmdOptDef opts_maxvcpus[] = {
+ {"type", VSH_OT_STRING, 0, N_("domain type")},
+ {NULL, 0, 0, NULL}
+};
+
+static int
+cmdMaxvcpus(vshControl *ctl, const vshCmd *cmd)
+{
+ char *type;
+ int vcpus;
+
+ type = vshCommandOptString(cmd, "type", NULL);
+
+ if (!vshConnectionUsability(ctl, ctl->conn))
+ return FALSE;
+
+ vcpus = virConnectGetMaxVcpus(ctl->conn, type);
+ if (vcpus < 0)
+ return FALSE;
+ vshPrint(ctl, "%d\n", vcpus);
+
+ return TRUE;
+}
+
+/*
+ * "vcpucount" command
+ */
+static const vshCmdInfo info_vcpucount[] = {
+ {"help", N_("domain vcpu counts")},
+ {"desc", N_("Returns the number of virtual CPUs used by the domain.")},
+ {NULL, NULL}
+};
+
+static const vshCmdOptDef opts_vcpucount[] = {
+ {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
+ {"maximum", VSH_OT_BOOL, 0, N_("get maximum cap on vcpus")},
+ {"current", VSH_OT_BOOL, 0, N_("get current vcpu usage")},
+ {"config", VSH_OT_BOOL, 0, N_("get value to be used on next boot")},
+ {"live", VSH_OT_BOOL, 0, N_("get value from running domain")},
+ {NULL, 0, 0, NULL}
+};
+
+static int
+cmdVcpucount(vshControl *ctl, const vshCmd *cmd)
+{
+ virDomainPtr dom;
+ int ret = TRUE;
+ int maximum = vshCommandOptBool(cmd, "maximum");
+ int current = vshCommandOptBool(cmd, "current");
+ int config = vshCommandOptBool(cmd, "config");
+ int live = vshCommandOptBool(cmd, "live");
+ bool all = maximum + current + config + live == 0;
+ int count;
+
+ if (maximum && current) {
+ vshError(ctl, "%s",
+ _("--maximum and --current cannot both be specified"));
+ return FALSE;
+ }
+ if (config && live) {
+ vshError(ctl, "%s",
+ _("--config and --live cannot both be specified"));
+ return FALSE;
+ }
+ /* We want one of each pair of mutually exclusive options; that
+ * is, use of flags requires exactly two options. */
+ if (maximum + current + config + live == 1) {
+ vshError(ctl,
+ _("when using --%s, either --%s or --%s must be specified"),
+ (maximum ? "maximum" : current ? "current"
+ : config ? "config" : "live"),
+ maximum + current ? "config" : "maximum",
+ maximum + current ? "live" : "current");
+ return FALSE;
+ }
+
+ if (!vshConnectionUsability(ctl, ctl->conn))
+ return FALSE;
+
+ if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
+ return FALSE;
+
+ /* In all cases, try the new API first; if it fails because we are
+ * talking to an older client, try a fallback API before giving
+ * up. */
+ if (all || (maximum && config)) {
+ count = virDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_MAXIMUM |
+ VIR_DOMAIN_VCPU_CONFIG));
+ if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
+ || last_error->code == VIR_ERR_INVALID_ARG)) {
+ char *tmp;
+ char *xml = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
+ if (xml && (tmp = strstr(xml, "<vcpu"))) {
+ tmp = strchr(tmp, '>');
+ if (!tmp || virStrToLong_i(tmp + 1, &tmp, 10, &count) < 0)
+ count = -1;
+ }
+ VIR_FREE(xml);
+ }
+
+ if (count < 0) {
+ virshReportError(ctl);
+ ret = FALSE;
+ } else if (all) {
+ vshPrint(ctl, "%-12s %-12s %3d\n", _("maximum"), _("config"),
+ count);
+ } else {
+ vshPrint(ctl, "%d\n", count);
+ }
+ virFreeError(last_error);
+ last_error = NULL;
+ }
+
+ if (all || (maximum && live)) {
+ count = virDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_MAXIMUM |
+ VIR_DOMAIN_VCPU_LIVE));
+ if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
+ || last_error->code == VIR_ERR_INVALID_ARG)) {
+ count = virDomainGetMaxVcpus(dom);
+ }
+
+ if (count < 0) {
+ virshReportError(ctl);
+ ret = FALSE;
+ } else if (all) {
+ vshPrint(ctl, "%-12s %-12s %3d\n", _("maximum"), _("live"),
+ count);
+ } else {
+ vshPrint(ctl, "%d\n", count);
+ }
+ virFreeError(last_error);
+ last_error = NULL;
+ }
+
+ if (all || (current && config)) {
+ count = virDomainGetVcpusFlags(dom, VIR_DOMAIN_VCPU_CONFIG);
+ if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
+ || last_error->code == VIR_ERR_INVALID_ARG)) {
+ char *tmp, *end;
+ char *xml = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
+ if (xml && (tmp = strstr(xml, "<vcpu"))) {
+ end = strchr(tmp, '>');
+ if (end) {
+ *end = '\0';
+ tmp = strstr(tmp, "current=");
+ if (!tmp)
+ tmp = end + 1;
+ else {
+ tmp += strlen("current=");
+ tmp += *tmp == '\'' || *tmp == '"';
+ }
+ }
+ if (!tmp || virStrToLong_i(tmp, &tmp, 10, &count) < 0)
+ count = -1;
+ }
+ VIR_FREE(xml);
+ }
+
+ if (count < 0) {
+ virshReportError(ctl);
+ ret = FALSE;
+ } else if (all) {
+ vshPrint(ctl, "%-12s %-12s %3d\n", _("current"), _("config"),
+ count);
+ } else {
+ vshPrint(ctl, "%d\n", count);
+ }
+ virFreeError(last_error);
+ last_error = NULL;
+ }
+
+ if (all || (current && live)) {
+ count = virDomainGetVcpusFlags(dom, VIR_DOMAIN_VCPU_LIVE);
+ if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
+ || last_error->code == VIR_ERR_INVALID_ARG)) {
+ virDomainInfo info;
+ if (virDomainGetInfo(dom, &info) == 0)
+ count = info.nrVirtCpu;
+ }
+
+ if (count < 0) {
+ virshReportError(ctl);
+ ret = FALSE;
+ } else if (all) {
+ vshPrint(ctl, "%-12s %-12s %3d\n", _("current"), _("live"),
+ count);
+ } else {
+ vshPrint(ctl, "%d\n", count);
+ }
+ virFreeError(last_error);
+ last_error = NULL;
+ }
+
+ virDomainFree(dom);
+ return ret;
+}
+
+/*
* "vcpuinfo" command
*/
static const vshCmdInfo info_vcpuinfo[] = {
- {"help", N_("domain vcpu information")},
+ {"help", N_("detailed domain vcpu information")},
{"desc", N_("Returns basic information about the domain virtual CPUs.")},
{NULL, NULL}
};
@@ -2514,6 +2720,9 @@ static const vshCmdInfo info_setvcpus[] = {
static const vshCmdOptDef opts_setvcpus[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
{"count", VSH_OT_DATA, VSH_OFLAG_REQ, N_("number of virtual CPUs")},
+ {"maximum", VSH_OT_BOOL, 0, N_("set maximum limit on next boot")},
+ {"config", VSH_OT_BOOL, 0, N_("affect next boot")},
+ {"live", VSH_OT_BOOL, 0, N_("affect running domain")},
{NULL, 0, 0, NULL}
};
@@ -2522,8 +2731,13 @@ cmdSetvcpus(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int count;
- int maxcpu;
int ret = TRUE;
+ int maximum = vshCommandOptBool(cmd, "maximum");
+ int config = vshCommandOptBool(cmd, "config");
+ int live = vshCommandOptBool(cmd, "live");
+ int flags = ((maximum ? VIR_DOMAIN_VCPU_MAXIMUM : 0) |
+ (config ? VIR_DOMAIN_VCPU_CONFIG : 0) |
+ (live ? VIR_DOMAIN_VCPU_LIVE : 0));
if (!vshConnectionUsability(ctl, ctl->conn))
return FALSE;
@@ -2532,26 +2746,15 @@ cmdSetvcpus(vshControl *ctl, const vshCmd *cmd)
return FALSE;
count = vshCommandOptInt(cmd, "count", &count);
- if (count <= 0) {
- vshError(ctl, "%s", _("Invalid number of virtual CPUs."));
- virDomainFree(dom);
- return FALSE;
- }
-
- maxcpu = virDomainGetMaxVcpus(dom);
- if (maxcpu <= 0) {
- virDomainFree(dom);
- return FALSE;
- }
-
- if (count > maxcpu) {
- vshError(ctl, "%s", _("Too many virtual CPUs."));
- virDomainFree(dom);
- return FALSE;
- }
- if (virDomainSetVcpus(dom, count) != 0) {
- ret = FALSE;
+ if (!flags) {
+ if (virDomainSetVcpus(dom, count) != 0) {
+ ret = FALSE;
+ }
+ } else {
+ if (virDomainSetVcpusFlags(dom, count, flags) < 0) {
+ ret = FALSE;
+ }
}
virDomainFree(dom);
@@ -9642,6 +9845,7 @@ static const vshCmdDef commands[] = {
{"freecell", cmdFreecell, opts_freecell, info_freecell},
{"hostname", cmdHostname, NULL, info_hostname},
{"list", cmdList, opts_list, info_list},
+ {"maxvcpus", cmdMaxvcpus, opts_maxvcpus, info_maxvcpus},
{"migrate", cmdMigrate, opts_migrate, info_migrate},
{"migrate-setmaxdowntime", cmdMigrateSetMaxDowntime, opts_migrate_setmaxdowntime, info_migrate_setmaxdowntime},
@@ -9748,6 +9952,7 @@ static const vshCmdDef commands[] = {
{"vol-name", cmdVolName, opts_vol_name, info_vol_name},
{"vol-key", cmdVolKey, opts_vol_key, info_vol_key},
+ {"vcpucount", cmdVcpucount, opts_vcpucount, info_vcpucount},
{"vcpuinfo", cmdVcpuinfo, opts_vcpuinfo, info_vcpuinfo},
{"vcpupin", cmdVcpupin, opts_vcpupin, info_vcpupin},
{"version", cmdVersion, NULL, info_version},
diff --git a/tools/virsh.pod b/tools/virsh.pod
index 943a563..dbcc680 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -443,7 +443,14 @@ Remove the managed save file for a domain if it exists. The next time the
domain is started it will not restore to its previous state but instead will
do a full boot.
-=item B<migrate> optional I<--live> I<--suspend> I<domain-id> I<desturi> I<migrateuri>
+=item B<maxvcpus> optional I<type>
+
+Provide the maximum number of virtual CPUs supported for a guest VM on
+this connection. If provided, the I<type> parameter must be a valid
+type attribute for the <domain> element of XML.
+
+=item B<migrate> optional I<--live> I<--suspend> I<domain-id> I<desturi>
+I<migrateuri>
Migrate domain to another host. Add --live for live migration; --suspend
leaves the domain paused on the destination host. The I<desturi> is the
@@ -521,7 +528,8 @@ Displays the domain memory parameters.
Allows you to set the domain memory parameters. LXC and QEMU/KVM supports these parameters.
-=item B<setvcpus> I<domain-id> I<count>
+=item B<setvcpus> I<domain-id> I<count> optional I<--maximum> I<--config>
+I<--live>
Change the number of virtual CPUs active in the guest domain. Note that
I<count> may be limited by host, hypervisor or limit coming from the
@@ -530,6 +538,17 @@ original description of domain.
For Xen, you can only adjust the virtual CPUs of a running domain if
the domain is paravirtualized.
+If I<--config> is specified, the change will only affect the next
+boot of a domain. If I<--live> is specified, the domain must be
+running, and the change takes place immediately. Both flags may be
+specified, if supported by the hypervisor. If neither flag is given,
+then I<--live> is implied and it is up to the hypervisor whether
+I<--config> is also implied.
+
+If I<--maximum> is specified, then you must use I<--config> and
+avoid I<--live>; this flag controls the maximum limit of vcpus that
+can be hot-plugged the next time the domain is booted.
+
=item B<shutdown> I<domain-id>
Gracefully shuts down a domain. This coordinates with the domain OS
@@ -568,6 +587,21 @@ is not available the processes will provide an exit code of 1.
Undefine the configuration for an inactive domain. Since it's not running
the domain name or UUID must be used as the I<domain-id>.
+=item B<vcpucount> I<domain-id> optional I<--maximum> I<--current>
+I<--config> I<--live>
+
+Print information about the virtual cpu counts of the given
+I<domain-id>. If no flags are specified, all possible counts are
+listed in a table; otherwise, the output is limited to just the
+numeric value requested.
+
+I<--maximum> requests information on the maximum cap of vcpus that a
+domain can add via B<setvcpus>, while I<--current> shows the current
+usage; these two flags cannot both be specified. I<--config>
+requests information regarding the next time the domain will be
+booted, while I<--live> requires a running domain and lists current
+values; these two flags cannot both be specified.
+
=item B<vcpuinfo> I<domain-id>
Returns basic information about the domain virtual CPUs, like the number of
--
1.7.2.3

View File

@@ -1,519 +0,0 @@
From 4617eedfaeee2b187a1f14691d25746ba3ff31b6 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Wed, 29 Sep 2010 10:20:07 -0600
Subject: [PATCH 07/15] vcpu: support maxvcpu in domain_conf
Although this patch adds a distinction between maximum vcpus and
current vcpus in the XML, the values should be identical for all
drivers at this point. Only in subsequent per-driver patches will
a distinction be made.
In general, virDomainGetInfo should prefer the current vcpus.
* src/conf/domain_conf.h (_virDomainDef): Adjust vcpus to unsigned
short, to match virDomainGetInfo limit. Add maxvcpus member.
* src/conf/domain_conf.c (virDomainDefParseXML)
(virDomainDefFormat): parse and print out vcpu details.
* src/xen/xend_internal.c (xenDaemonParseSxpr)
(xenDaemonFormatSxpr): Manage both vcpu numbers, and require them
to be equal for now.
* src/xen/xm_internal.c (xenXMDomainConfigParse)
(xenXMDomainConfigFormat): Likewise.
* src/phyp/phyp_driver.c (phypDomainDumpXML): Likewise.
* src/openvz/openvz_conf.c (openvzLoadDomains): Likewise.
* src/openvz/openvz_driver.c (openvzDomainDefineXML)
(openvzDomainCreateXML, openvzDomainSetVcpusInternal): Likewise.
* src/vbox/vbox_tmpl.c (vboxDomainDumpXML, vboxDomainDefineXML):
Likewise.
* src/xenapi/xenapi_driver.c (xenapiDomainDumpXML): Likewise.
* src/xenapi/xenapi_utils.c (createVMRecordFromXml): Likewise.
* src/esx/esx_vmx.c (esxVMX_ParseConfig, esxVMX_FormatConfig):
Likewise.
* src/qemu/qemu_conf.c (qemuBuildSmpArgStr)
(qemuParseCommandLineSmp, qemuParseCommandLine): Likewise.
* src/qemu/qemu_driver.c (qemudDomainHotplugVcpus): Likewise.
* src/opennebula/one_conf.c (xmlOneTemplate): Likewise.
---
src/conf/domain_conf.c | 45 +++++++++++++++++++++++++++++++++++++------
src/conf/domain_conf.h | 3 +-
src/esx/esx_vmx.c | 24 ++++++++++++++--------
src/opennebula/one_conf.c | 9 +++++--
src/openvz/openvz_conf.c | 7 +++--
src/openvz/openvz_driver.c | 15 +++++++++----
src/phyp/phyp_driver.c | 2 +-
src/qemu/qemu_conf.c | 14 +++++++++++-
src/qemu/qemu_driver.c | 5 ++-
src/vbox/vbox_tmpl.c | 12 +++++++---
src/xen/xend_internal.c | 9 ++++---
src/xen/xm_internal.c | 11 ++++++---
src/xenapi/xenapi_driver.c | 2 +-
src/xenapi/xenapi_utils.c | 4 +-
14 files changed, 114 insertions(+), 48 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 78d7a6a..a997e06 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -4203,6 +4203,7 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
int i, n;
long id = -1;
virDomainDefPtr def;
+ unsigned long count;
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
@@ -4287,8 +4288,37 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
&def->mem.swap_hard_limit) < 0)
def->mem.swap_hard_limit = 0;
- if (virXPathULong("string(./vcpu[1])", ctxt, &def->vcpus) < 0)
- def->vcpus = 1;
+ n = virXPathULong("string(./vcpu[1])", ctxt, &count);
+ if (n == -2) {
+ virDomainReportError(VIR_ERR_XML_ERROR, "%s",
+ _("maximum vcpus must be an integer"));
+ goto error;
+ } else if (n < 0) {
+ def->maxvcpus = 1;
+ } else {
+ def->maxvcpus = count;
+ if (def->maxvcpus != count || count == 0) {
+ virDomainReportError(VIR_ERR_XML_ERROR,
+ _("invalid maxvcpus %lu"), count);
+ goto error;
+ }
+ }
+
+ n = virXPathULong("string(./vcpu[1]/@current)", ctxt, &count);
+ if (n == -2) {
+ virDomainReportError(VIR_ERR_XML_ERROR, "%s",
+ _("current vcpus must be an integer"));
+ goto error;
+ } else if (n < 0) {
+ def->vcpus = def->maxvcpus;
+ } else {
+ def->vcpus = count;
+ if (def->vcpus != count || count == 0 || def->maxvcpus < count) {
+ virDomainReportError(VIR_ERR_XML_ERROR,
+ _("invalid current vcpus %lu"), count);
+ goto error;
+ }
+ }
tmp = virXPathString("string(./vcpu[1]/@cpuset)", ctxt);
if (tmp) {
@@ -6462,17 +6492,18 @@ char *virDomainDefFormat(virDomainDefPtr def,
if (def->cpumask[n] != 1)
allones = 0;
- if (allones) {
- virBufferAsprintf(&buf, " <vcpu>%lu</vcpu>\n", def->vcpus);
- } else {
+ virBufferAddLit(&buf, " <vcpu");
+ if (!allones) {
char *cpumask = NULL;
if ((cpumask =
virDomainCpuSetFormat(def->cpumask, def->cpumasklen)) == NULL)
goto cleanup;
- virBufferAsprintf(&buf, " <vcpu cpuset='%s'>%lu</vcpu>\n",
- cpumask, def->vcpus);
+ virBufferAsprintf(&buf, " cpuset='%s'", cpumask);
VIR_FREE(cpumask);
}
+ if (def->vcpus != def->maxvcpus)
+ virBufferAsprintf(&buf, " current='%u'", def->vcpus);
+ virBufferAsprintf(&buf, ">%u</vcpu>\n", def->maxvcpus);
if (def->os.bootloader) {
virBufferEscapeString(&buf, " <bootloader>%s</bootloader>\n",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index db09c23..5499f28 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -885,7 +885,8 @@ struct _virDomainDef {
unsigned long min_guarantee;
unsigned long swap_hard_limit;
} mem;
- unsigned long vcpus;
+ unsigned short vcpus;
+ unsigned short maxvcpus;
int cpumasklen;
char *cpumask;
diff --git a/src/esx/esx_vmx.c b/src/esx/esx_vmx.c
index 7ec8c0e..0a26614 100644
--- a/src/esx/esx_vmx.c
+++ b/src/esx/esx_vmx.c
@@ -50,7 +50,7 @@ def->uuid = <value> <=> uuid.bios = "<value>"
def->name = <value> <=> displayName = "<value>"
def->mem.max_balloon = <value kilobyte> <=> memsize = "<value megabyte>" # must be a multiple of 4, defaults to 32
def->mem.cur_balloon = <value kilobyte> <=> sched.mem.max = "<value megabyte>" # defaults to "unlimited" -> def->mem.cur_balloon = def->mem.max_balloon
-def->vcpus = <value> <=> numvcpus = "<value>" # must be 1 or a multiple of 2, defaults to 1
+def->maxvcpus = <value> <=> numvcpus = "<value>" # must be 1 or a multiple of 2, defaults to 1
def->cpumask = <uint list> <=> sched.cpu.affinity = "<uint list>"
@@ -1075,7 +1075,7 @@ esxVMX_ParseConfig(esxVMX_Context *ctx, virCapsPtr caps, const char *vmx,
goto cleanup;
}
- def->vcpus = numvcpus;
+ def->maxvcpus = def->vcpus = numvcpus;
/* vmx:sched.cpu.affinity -> def:cpumask */
// VirtualMachine:config.cpuAffinity.affinitySet
@@ -2609,16 +2609,22 @@ esxVMX_FormatConfig(esxVMX_Context *ctx, virCapsPtr caps, virDomainDefPtr def,
(int)(def->mem.cur_balloon / 1024));
}
- /* def:vcpus -> vmx:numvcpus */
- if (def->vcpus <= 0 || (def->vcpus % 2 != 0 && def->vcpus != 1)) {
+ /* def:maxvcpus -> vmx:numvcpus */
+ if (def->vcpus != def->maxvcpus) {
+ ESX_ERROR(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("No support for domain XML entry 'vcpu' attribute "
+ "'current'"));
+ goto cleanup;
+ }
+ if (def->maxvcpus <= 0 || (def->maxvcpus % 2 != 0 && def->maxvcpus != 1)) {
ESX_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Expecting domain XML entry 'vcpu' to be an unsigned "
"integer (1 or a multiple of 2) but found %d"),
- (int)def->vcpus);
+ def->maxvcpus);
goto cleanup;
}
- virBufferAsprintf(&buffer, "numvcpus = \"%d\"\n", (int)def->vcpus);
+ virBufferAsprintf(&buffer, "numvcpus = \"%d\"\n", def->maxvcpus);
/* def:cpumask -> vmx:sched.cpu.affinity */
if (def->cpumasklen > 0) {
@@ -2632,11 +2638,11 @@ esxVMX_FormatConfig(esxVMX_Context *ctx, virCapsPtr caps, virDomainDefPtr def,
}
}
- if (sched_cpu_affinity_length < def->vcpus) {
+ if (sched_cpu_affinity_length < def->maxvcpus) {
ESX_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Expecting domain XML attribute 'cpuset' of entry "
- "'vcpu' to contains at least %d CPU(s)"),
- (int)def->vcpus);
+ "'vcpu' to contain at least %d CPU(s)"),
+ def->maxvcpus);
goto cleanup;
}
diff --git a/src/opennebula/one_conf.c b/src/opennebula/one_conf.c
index 44e28dc..2079c51 100644
--- a/src/opennebula/one_conf.c
+++ b/src/opennebula/one_conf.c
@@ -1,5 +1,7 @@
/*----------------------------------------------------------------------------------*/
-/* Copyright 2002-2009, Distributed Systems Architecture Group, Universidad
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Copyright 2002-2009, Distributed Systems Architecture Group, Universidad
* Complutense de Madrid (dsa-research.org)
*
* This library is free software; you can redistribute it and/or
@@ -169,9 +171,10 @@ char* xmlOneTemplate(virDomainDefPtr def)
{
int i;
virBuffer buf= VIR_BUFFER_INITIALIZER;
- virBufferAsprintf(&buf,"#OpenNebula Template automatically generated by libvirt\nNAME = %s\nCPU = %ld\nMEMORY = %ld\n",
+ virBufferAsprintf(&buf,"#OpenNebula Template automatically generated "
+ "by libvirt\nNAME = %s\nCPU = %d\nMEMORY = %ld\n",
def->name,
- def->vcpus,
+ def->maxvcpus,
(def->mem.max_balloon)/1024);
/*Optional Booting OpenNebula Information:*/
diff --git a/src/openvz/openvz_conf.c b/src/openvz/openvz_conf.c
index ec11bbc..c84a6f3 100644
--- a/src/openvz/openvz_conf.c
+++ b/src/openvz/openvz_conf.c
@@ -507,11 +507,12 @@ int openvzLoadDomains(struct openvz_driver *driver) {
veid);
goto cleanup;
} else if (ret > 0) {
- dom->def->vcpus = strtoI(temp);
+ dom->def->maxvcpus = strtoI(temp);
}
- if (ret == 0 || dom->def->vcpus == 0)
- dom->def->vcpus = openvzGetNodeCPUs();
+ if (ret == 0 || dom->def->maxvcpus == 0)
+ dom->def->maxvcpus = openvzGetNodeCPUs();
+ dom->def->vcpus = dom->def->maxvcpus;
/* XXX load rest of VM config data .... */
diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c
index 0f3cfdf..b7c2754 100644
--- a/src/openvz/openvz_driver.c
+++ b/src/openvz/openvz_driver.c
@@ -925,8 +925,13 @@ openvzDomainDefineXML(virConnectPtr conn, const char *xml)
if (openvzDomainSetNetworkConfig(conn, vm->def) < 0)
goto cleanup;
- if (vm->def->vcpus > 0) {
- if (openvzDomainSetVcpusInternal(vm, vm->def->vcpus) < 0) {
+ if (vm->def->vcpus != vm->def->maxvcpus) {
+ openvzError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("current vcpu count must equal maximum"));
+ goto cleanup;
+ }
+ if (vm->def->maxvcpus > 0) {
+ if (openvzDomainSetVcpusInternal(vm, vm->def->maxvcpus) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not set number of virtual cpu"));
goto cleanup;
@@ -1019,8 +1024,8 @@ openvzDomainCreateXML(virConnectPtr conn, const char *xml,
vm->def->id = vm->pid;
vm->state = VIR_DOMAIN_RUNNING;
- if (vm->def->vcpus > 0) {
- if (openvzDomainSetVcpusInternal(vm, vm->def->vcpus) < 0) {
+ if (vm->def->maxvcpus > 0) {
+ if (openvzDomainSetVcpusInternal(vm, vm->def->maxvcpus) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not set number of virtual cpu"));
goto cleanup;
@@ -1249,7 +1254,7 @@ static int openvzDomainSetVcpusInternal(virDomainObjPtr vm,
return -1;
}
- vm->def->vcpus = nvcpus;
+ vm->def->maxvcpus = vm->def->vcpus = nvcpus;
return 0;
}
diff --git a/src/phyp/phyp_driver.c b/src/phyp/phyp_driver.c
index e284ae0..3d0ed11 100644
--- a/src/phyp/phyp_driver.c
+++ b/src/phyp/phyp_driver.c
@@ -3540,7 +3540,7 @@ phypDomainDumpXML(virDomainPtr dom, int flags)
goto err;
}
- if ((def.vcpus =
+ if ((def.maxvcpus = def.vcpus =
phypGetLparCPU(dom->conn, managed_system, dom->id)) == 0) {
VIR_ERROR0(_("Unable to determine domain's CPU."));
goto err;
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 83c0f83..38c8351 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -3711,7 +3711,7 @@ qemuBuildSmpArgStr(const virDomainDefPtr def,
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
- virBufferAsprintf(&buf, "%lu", def->vcpus);
+ virBufferAsprintf(&buf, "%u", def->vcpus);
if ((qemuCmdFlags & QEMUD_CMD_FLAG_SMP_TOPOLOGY)) {
/* sockets, cores, and threads are either all zero
@@ -3722,11 +3722,18 @@ qemuBuildSmpArgStr(const virDomainDefPtr def,
virBufferAsprintf(&buf, ",threads=%u", def->cpu->threads);
}
else {
- virBufferAsprintf(&buf, ",sockets=%lu", def->vcpus);
+ virBufferAsprintf(&buf, ",sockets=%u", def->maxvcpus);
virBufferAsprintf(&buf, ",cores=%u", 1);
virBufferAsprintf(&buf, ",threads=%u", 1);
}
}
+ if (def->vcpus != def->maxvcpus) {
+ virBufferFreeAndReset(&buf);
+ qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("setting current vcpu count less than maximum is "
+ "not supported yet"));
+ return NULL;
+ }
if (virBufferError(&buf)) {
virBufferFreeAndReset(&buf);
@@ -6178,6 +6185,8 @@ qemuParseCommandLineSmp(virDomainDefPtr dom,
}
}
+ dom->maxvcpus = dom->vcpus;
+
if (sockets && cores && threads) {
virCPUDefPtr cpu;
@@ -6247,6 +6256,7 @@ virDomainDefPtr qemuParseCommandLine(virCapsPtr caps,
def->id = -1;
def->mem.cur_balloon = def->mem.max_balloon = 64 * 1024;
+ def->maxvcpus = 1;
def->vcpus = 1;
def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_UTC;
def->features = (1 << VIR_DOMAIN_FEATURE_ACPI)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 7a2ea8f..c66dc04 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -2425,8 +2425,9 @@ qemuDetectVcpuPIDs(struct qemud_driver *driver,
if (ncpupids != vm->def->vcpus) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
- _("got wrong number of vCPU pids from QEMU monitor. got %d, wanted %d"),
- ncpupids, (int)vm->def->vcpus);
+ _("got wrong number of vCPU pids from QEMU monitor. "
+ "got %d, wanted %d"),
+ ncpupids, vm->def->vcpus);
VIR_FREE(cpupids);
return -1;
}
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index 0cbe8b3..5a859a4 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -2028,7 +2028,7 @@ static char *vboxDomainDumpXML(virDomainPtr dom, int flags) {
def->mem.max_balloon = memorySize * 1024;
machine->vtbl->GetCPUCount(machine, &CPUCount);
- def->vcpus = CPUCount;
+ def->maxvcpus = def->vcpus = CPUCount;
/* Skip cpumasklen, cpumask, onReboot, onPoweroff, onCrash */
@@ -4598,11 +4598,15 @@ static virDomainPtr vboxDomainDefineXML(virConnectPtr conn, const char *xml) {
def->mem.cur_balloon, (unsigned)rc);
}
- rc = machine->vtbl->SetCPUCount(machine, def->vcpus);
+ if (def->vcpus != def->maxvcpus) {
+ vboxError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("current vcpu count must equal maximum"));
+ }
+ rc = machine->vtbl->SetCPUCount(machine, def->maxvcpus);
if (NS_FAILED(rc)) {
vboxError(VIR_ERR_INTERNAL_ERROR,
- _("could not set the number of virtual CPUs to: %lu, rc=%08x"),
- def->vcpus, (unsigned)rc);
+ _("could not set the number of virtual CPUs to: %u, rc=%08x"),
+ def->maxvcpus, (unsigned)rc);
}
#if VBOX_API_VERSION < 3001
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index 5ffc3c8..456b477 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -2190,7 +2190,8 @@ xenDaemonParseSxpr(virConnectPtr conn,
}
}
- def->vcpus = sexpr_int(root, "domain/vcpus");
+ def->maxvcpus = sexpr_int(root, "domain/vcpus");
+ def->vcpus = def->maxvcpus;
tmp = sexpr_node(root, "domain/on_poweroff");
if (tmp != NULL) {
@@ -5649,7 +5650,7 @@ xenDaemonFormatSxprInput(virDomainInputDefPtr input,
*
* Generate an SEXPR representing the domain configuration.
*
- * Returns the 0 terminatedi S-Expr string or NULL in case of error.
+ * Returns the 0 terminated S-Expr string or NULL in case of error.
* the caller must free() the returned value.
*/
char *
@@ -5666,7 +5667,7 @@ xenDaemonFormatSxpr(virConnectPtr conn,
virBufferAsprintf(&buf, "(name '%s')", def->name);
virBufferAsprintf(&buf, "(memory %lu)(maxmem %lu)",
def->mem.cur_balloon/1024, def->mem.max_balloon/1024);
- virBufferAsprintf(&buf, "(vcpus %lu)", def->vcpus);
+ virBufferAsprintf(&buf, "(vcpus %u)", def->maxvcpus);
if (def->cpumask) {
char *ranges = virDomainCpuSetFormat(def->cpumask, def->cpumasklen);
@@ -5761,7 +5762,7 @@ xenDaemonFormatSxpr(virConnectPtr conn,
else
virBufferAsprintf(&buf, "(kernel '%s')", def->os.loader);
- virBufferAsprintf(&buf, "(vcpus %lu)", def->vcpus);
+ virBufferAsprintf(&buf, "(vcpus %u)", def->maxvcpus);
for (i = 0 ; i < def->os.nBootDevs ; i++) {
switch (def->os.bootDevs[i]) {
diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index 8e42a1c..bf20a64 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -678,6 +678,7 @@ xenXMDomainConfigParse(virConnectPtr conn, virConfPtr conf) {
int i;
const char *defaultArch, *defaultMachine;
int vmlocaltime = 0;
+ unsigned long count;
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
@@ -770,9 +771,11 @@ xenXMDomainConfigParse(virConnectPtr conn, virConfPtr conf) {
def->mem.cur_balloon *= 1024;
def->mem.max_balloon *= 1024;
-
- if (xenXMConfigGetULong(conf, "vcpus", &def->vcpus, 1) < 0)
+ if (xenXMConfigGetULong(conf, "vcpus", &count, 1) < 0 ||
+ (unsigned short) count != count)
goto cleanup;
+ def->maxvcpus = count;
+ def->vcpus = def->maxvcpus;
if (xenXMConfigGetString(conf, "cpus", &str, NULL) < 0)
goto cleanup;
@@ -1650,7 +1653,7 @@ int xenXMDomainSetVcpus(virDomainPtr domain, unsigned int vcpus) {
if (!(entry = virHashLookup(priv->configCache, filename)))
goto cleanup;
- entry->def->vcpus = vcpus;
+ entry->def->maxvcpus = entry->def->vcpus = vcpus;
/* If this fails, should we try to undo our changes to the
* in-memory representation of the config file. I say not!
@@ -2241,7 +2244,7 @@ virConfPtr xenXMDomainConfigFormat(virConnectPtr conn,
if (xenXMConfigSetInt(conf, "memory", def->mem.cur_balloon / 1024) < 0)
goto no_memory;
- if (xenXMConfigSetInt(conf, "vcpus", def->vcpus) < 0)
+ if (xenXMConfigSetInt(conf, "vcpus", def->maxvcpus) < 0)
goto no_memory;
if ((def->cpumask != NULL) &&
diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index 7d4ab8d..5ccdede 100644
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -1335,7 +1335,7 @@ xenapiDomainDumpXML (virDomainPtr dom, int flags ATTRIBUTE_UNUSED)
} else {
defPtr->mem.cur_balloon = memory;
}
- defPtr->vcpus = xenapiDomainGetMaxVcpus(dom);
+ defPtr->maxvcpus = defPtr->vcpus = xenapiDomainGetMaxVcpus(dom);
enum xen_on_normal_exit action;
if (xen_vm_get_actions_after_shutdown(session, &action, vm)) {
defPtr->onPoweroff = xenapiNormalExitEnum2virDomainLifecycle(action);
diff --git a/src/xenapi/xenapi_utils.c b/src/xenapi/xenapi_utils.c
index be55491..a7e2a4b 100644
--- a/src/xenapi/xenapi_utils.c
+++ b/src/xenapi/xenapi_utils.c
@@ -510,8 +510,8 @@ createVMRecordFromXml (virConnectPtr conn, virDomainDefPtr def,
else
(*record)->memory_dynamic_max = (*record)->memory_static_max;
- if (def->vcpus) {
- (*record)->vcpus_max = (int64_t) def->vcpus;
+ if (def->maxvcpus) {
+ (*record)->vcpus_max = (int64_t) def->maxvcpus;
(*record)->vcpus_at_startup = (int64_t) def->vcpus;
}
if (def->onPoweroff)
--
1.7.2.3

View File

@@ -1,197 +0,0 @@
From 6c9e6b956453d0f0c4ff542ef8a184d663a39266 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Mon, 4 Oct 2010 17:01:12 -0600
Subject: [PATCH 09/15] vcpu: support all flags in test driver
* src/test/test_driver.c (testDomainGetVcpusFlags)
(testDomainSetVcpusFlags): Support all flags.
(testDomainUpdateVCPUs): Update cpu count here.
---
src/test/test_driver.c | 128 ++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 109 insertions(+), 19 deletions(-)
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index b70c80d..a9d3d89 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -450,6 +450,7 @@ testDomainUpdateVCPUs(virConnectPtr conn,
goto cleanup;
}
+ dom->def->vcpus = nvcpus;
ret = 0;
cleanup:
return ret;
@@ -2032,12 +2033,51 @@ cleanup:
static int
testDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
{
- if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
- testError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ testConnPtr privconn = domain->conn->privateData;
+ virDomainObjPtr vm;
+ virDomainDefPtr def;
+ int ret = -1;
+
+ virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_CONFIG |
+ VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
+ /* Exactly one of LIVE or CONFIG must be set. */
+ if (!(flags & VIR_DOMAIN_VCPU_LIVE) == !(flags & VIR_DOMAIN_VCPU_CONFIG)) {
+ testError(VIR_ERR_INVALID_ARG,
+ _("invalid flag combination: (0x%x)"), flags);
return -1;
}
- return testGetMaxVCPUs(domain->conn, "test");
+ testDriverLock(privconn);
+ vm = virDomainFindByUUID(&privconn->domains, domain->uuid);
+ testDriverUnlock(privconn);
+
+ if (!vm) {
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
+ virUUIDFormat(domain->uuid, uuidstr);
+ testError(VIR_ERR_NO_DOMAIN,
+ _("no domain with matching uuid '%s'"), uuidstr);
+ goto cleanup;
+ }
+
+ if (flags & VIR_DOMAIN_VCPU_LIVE) {
+ if (!virDomainObjIsActive(vm)) {
+ testError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain not active"));
+ goto cleanup;
+ }
+ def = vm->def;
+ } else {
+ def = vm->newDef ? vm->newDef : vm->def;
+ }
+
+ ret = (flags & VIR_DOMAIN_VCPU_MAXIMUM) ? def->maxvcpus : def->vcpus;
+
+cleanup:
+ if (vm)
+ virDomainObjUnlock(vm);
+ return ret;
}
static int
@@ -2053,21 +2093,30 @@ testDomainSetVcpusFlags(virDomainPtr domain, unsigned int nrCpus,
{
testConnPtr privconn = domain->conn->privateData;
virDomainObjPtr privdom = NULL;
+ virDomainDefPtr def;
int ret = -1, maxvcpus;
- if (flags != VIR_DOMAIN_VCPU_LIVE) {
- testError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"), flags);
+ virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_CONFIG |
+ VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
+ /* At least one of LIVE or CONFIG must be set. MAXIMUM cannot be
+ * mixed with LIVE. */
+ if ((flags & (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG)) == 0 ||
+ (flags & (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) ==
+ (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) {
+ testError(VIR_ERR_INVALID_ARG,
+ _("invalid flag combination: (0x%x)"), flags);
+ return -1;
+ }
+ if (!nrCpus || (maxvcpus = testGetMaxVCPUs(domain->conn, NULL)) < nrCpus) {
+ testError(VIR_ERR_INVALID_ARG,
+ _("argument out of range: %d"), nrCpus);
return -1;
}
-
- /* Do this first before locking */
- maxvcpus = testDomainGetMaxVcpus(domain);
- if (maxvcpus < 0)
- goto cleanup;
testDriverLock(privconn);
- privdom = virDomainFindByName(&privconn->domains,
- domain->name);
+ privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
testDriverUnlock(privconn);
if (privdom == NULL) {
@@ -2075,13 +2124,17 @@ testDomainSetVcpusFlags(virDomainPtr domain, unsigned int nrCpus,
goto cleanup;
}
- if (!virDomainObjIsActive(privdom)) {
+ if (!virDomainObjIsActive(privdom) && (flags & VIR_DOMAIN_VCPU_LIVE)) {
testError(VIR_ERR_OPERATION_INVALID,
"%s", _("cannot hotplug vcpus for an inactive domain"));
goto cleanup;
}
- /* We allow more cpus in guest than host */
+ /* We allow more cpus in guest than host, but not more than the
+ * domain's starting limit. */
+ if ((flags & (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) ==
+ VIR_DOMAIN_VCPU_LIVE && privdom->def->maxvcpus < maxvcpus)
+ maxvcpus = privdom->def->maxvcpus;
if (nrCpus > maxvcpus) {
testError(VIR_ERR_INVALID_ARG,
"requested cpu amount exceeds maximum (%d > %d)",
@@ -2089,12 +2142,49 @@ testDomainSetVcpusFlags(virDomainPtr domain, unsigned int nrCpus,
goto cleanup;
}
- /* Update VCPU state for the running domain */
- if (testDomainUpdateVCPUs(domain->conn, privdom, nrCpus, 0) < 0)
- goto cleanup;
+ switch (flags) {
+ case VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_CONFIG:
+ def = privdom->def;
+ if (virDomainObjIsActive(privdom)) {
+ if (privdom->newDef)
+ def = privdom->newDef;
+ else {
+ testError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("no persistent state"));
+ goto cleanup;
+ }
+ }
+ def->maxvcpus = nrCpus;
+ if (nrCpus < def->vcpus)
+ def->vcpus = nrCpus;
+ ret = 0;
+ break;
- privdom->def->vcpus = nrCpus;
- ret = 0;
+ case VIR_DOMAIN_VCPU_CONFIG:
+ def = privdom->def;
+ if (virDomainObjIsActive(privdom)) {
+ if (privdom->newDef)
+ def = privdom->newDef;
+ else {
+ testError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("no persistent state"));
+ goto cleanup;
+ }
+ }
+ def->vcpus = nrCpus;
+ ret = 0;
+ break;
+
+ case VIR_DOMAIN_VCPU_LIVE:
+ ret = testDomainUpdateVCPUs(domain->conn, privdom, nrCpus, 0);
+ break;
+
+ case VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG:
+ ret = testDomainUpdateVCPUs(domain->conn, privdom, nrCpus, 0);
+ if (ret == 0 && privdom->newDef)
+ privdom->newDef->vcpus = nrCpus;
+ break;
+ }
cleanup:
if (privdom)
--
1.7.2.3

View File

@@ -1,122 +0,0 @@
From d67c189e80e6aef7adf13e5763365555cfc1a02a Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Wed, 29 Sep 2010 15:58:47 -0600
Subject: [PATCH 10/15] vcpu: improve vcpu support in qemu command line
* src/qemu/qemu_conf.c (qemuParseCommandLineSmp): Distinguish
between vcpus and maxvcpus, for new enough qemu.
* tests/qemuargv2xmltest.c (mymain): Add new test.
* tests/qemuxml2argvtest.c (mymain): Likewise.
* tests/qemuxml2xmltest.c (mymain): Likewise.
* tests/qemuxml2argvdata/qemuxml2argv-smp.args: New file.
---
src/qemu/qemu_conf.c | 13 +++++++++----
tests/qemuargv2xmltest.c | 2 ++
tests/qemuxml2argvdata/qemuxml2argv-smp.args | 1 +
tests/qemuxml2argvtest.c | 2 ++
tests/qemuxml2xmltest.c | 2 ++
5 files changed, 16 insertions(+), 4 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-smp.args
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 38c8351..ffe184b 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -3714,6 +3714,8 @@ qemuBuildSmpArgStr(const virDomainDefPtr def,
virBufferAsprintf(&buf, "%u", def->vcpus);
if ((qemuCmdFlags & QEMUD_CMD_FLAG_SMP_TOPOLOGY)) {
+ if (def->vcpus != def->maxvcpus)
+ virBufferAsprintf(&buf, ",maxcpus=%u", def->maxvcpus);
/* sockets, cores, and threads are either all zero
* or all non-zero, thus checking one of them is enough */
if (def->cpu && def->cpu->sockets) {
@@ -3726,12 +3728,12 @@ qemuBuildSmpArgStr(const virDomainDefPtr def,
virBufferAsprintf(&buf, ",cores=%u", 1);
virBufferAsprintf(&buf, ",threads=%u", 1);
}
- }
- if (def->vcpus != def->maxvcpus) {
+ } else if (def->vcpus != def->maxvcpus) {
virBufferFreeAndReset(&buf);
+ /* FIXME - consider hot-unplugging cpus after boot for older qemu */
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("setting current vcpu count less than maximum is "
- "not supported yet"));
+ "not supported with this QEMU binary"));
return NULL;
}
@@ -6153,6 +6155,7 @@ qemuParseCommandLineSmp(virDomainDefPtr dom,
unsigned int sockets = 0;
unsigned int cores = 0;
unsigned int threads = 0;
+ unsigned int maxcpus = 0;
int i;
int nkws;
char **kws;
@@ -6180,12 +6183,14 @@ qemuParseCommandLineSmp(virDomainDefPtr dom,
cores = n;
else if (STREQ(kws[i], "threads"))
threads = n;
+ else if (STREQ(kws[i], "maxcpus"))
+ maxcpus = n;
else
goto syntax;
}
}
- dom->maxvcpus = dom->vcpus;
+ dom->maxvcpus = maxcpus ? maxcpus : dom->vcpus;
if (sockets && cores && threads) {
virCPUDefPtr cpu;
diff --git a/tests/qemuargv2xmltest.c b/tests/qemuargv2xmltest.c
index 4f9ec84..d941b0b 100644
--- a/tests/qemuargv2xmltest.c
+++ b/tests/qemuargv2xmltest.c
@@ -221,6 +221,8 @@ mymain(int argc, char **argv)
DO_TEST("hostdev-pci-address");
+ DO_TEST("smp");
+
DO_TEST_FULL("restore-v1", 0, "stdio");
DO_TEST_FULL("restore-v2", 0, "stdio");
DO_TEST_FULL("restore-v2", 0, "exec:cat");
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-smp.args b/tests/qemuxml2argvdata/qemuxml2argv-smp.args
new file mode 100644
index 0000000..3ec8f15
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-smp.args
@@ -0,0 +1 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1,maxcpus=2,sockets=2,cores=1,threads=1 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 92d5b18..551d6c4 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -385,6 +385,8 @@ mymain(int argc, char **argv)
DO_TEST("qemu-ns", 0);
+ DO_TEST("smp", QEMUD_CMD_FLAG_SMP_TOPOLOGY);
+
free(driver.stateDir);
virCapabilitiesFree(driver.caps);
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index a33d435..cdc4390 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -180,6 +180,8 @@ mymain(int argc, char **argv)
DO_TEST("encrypted-disk");
DO_TEST("memtune");
+ DO_TEST("smp");
+
/* These tests generate different XML */
DO_TEST_DIFFERENT("balloon-device-auto");
DO_TEST_DIFFERENT("channel-virtio-auto");
--
1.7.2.3

View File

@@ -1,169 +0,0 @@
From 28a3605906385cba43df77051dc26e865f237b09 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Wed, 29 Sep 2010 17:40:45 -0600
Subject: [PATCH 11/15] vcpu: complete vcpu support in qemu driver
* src/qemu/qemu_driver.c (qemudDomainSetVcpusFlags)
(qemudDomainGetVcpusFlags): Support all feasible flag
combinations.
---
src/qemu/qemu_driver.c | 100 ++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 85 insertions(+), 15 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index c66dc04..a9e057f 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -5941,13 +5941,27 @@ qemudDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
{
struct qemud_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
+ virDomainDefPtr def;
const char * type;
int max;
int ret = -1;
- if (flags != VIR_DOMAIN_VCPU_LIVE) {
- qemuReportError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
- flags);
+ virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_CONFIG |
+ VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
+ /* At least one of LIVE or CONFIG must be set. MAXIMUM cannot be
+ * mixed with LIVE. */
+ if ((flags & (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG)) == 0 ||
+ (flags & (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) ==
+ (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) {
+ qemuReportError(VIR_ERR_INVALID_ARG,
+ _("invalid flag combination: (0x%x)"), flags);
+ return -1;
+ }
+ if (!nvcpus || (unsigned short) nvcpus != nvcpus) {
+ qemuReportError(VIR_ERR_INVALID_ARG,
+ _("argument out of range: %d"), nvcpus);
return -1;
}
@@ -5966,7 +5980,7 @@ qemudDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
if (qemuDomainObjBeginJob(vm) < 0)
goto cleanup;
- if (!virDomainObjIsActive(vm)) {
+ if (!virDomainObjIsActive(vm) && (flags & VIR_DOMAIN_VCPU_LIVE)) {
qemuReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("domain is not running"));
goto endjob;
@@ -5985,6 +5999,11 @@ qemudDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
goto endjob;
}
+ if ((flags & (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) ==
+ VIR_DOMAIN_VCPU_LIVE && vm->def->maxvcpus < max) {
+ max = vm->def->maxvcpus;
+ }
+
if (nvcpus > max) {
qemuReportError(VIR_ERR_INVALID_ARG,
_("requested vcpus is greater than max allowable"
@@ -5992,7 +6011,49 @@ qemudDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
goto endjob;
}
- ret = qemudDomainHotplugVcpus(vm, nvcpus);
+ switch (flags) {
+ case VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_CONFIG:
+ def = vm->def;
+ if (virDomainObjIsActive(vm)) {
+ if (vm->newDef)
+ def = vm->newDef;
+ else{
+ qemuReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("no persistent state"));
+ goto endjob;
+ }
+ }
+ def->maxvcpus = nvcpus;
+ if (nvcpus < vm->newDef->vcpus)
+ def->vcpus = nvcpus;
+ ret = 0;
+ break;
+
+ case VIR_DOMAIN_VCPU_CONFIG:
+ def = vm->def;
+ if (virDomainObjIsActive(vm)) {
+ if (vm->newDef)
+ def = vm->newDef;
+ else {
+ qemuReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("no persistent state"));
+ goto endjob;
+ }
+ }
+ def->vcpus = nvcpus;
+ ret = 0;
+ break;
+
+ case VIR_DOMAIN_VCPU_LIVE:
+ ret = qemudDomainHotplugVcpus(vm, nvcpus);
+ break;
+
+ case VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG:
+ ret = qemudDomainHotplugVcpus(vm, nvcpus);
+ if (ret == 0 && vm->newDef)
+ vm->newDef->vcpus = nvcpus;
+ break;
+ }
endjob:
if (qemuDomainObjEndJob(vm) == 0)
@@ -6171,12 +6232,17 @@ qemudDomainGetVcpusFlags(virDomainPtr dom, unsigned int flags)
{
struct qemud_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
- const char *type;
+ virDomainDefPtr def;
int ret = -1;
- if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
- qemuReportError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
- flags);
+ virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_CONFIG |
+ VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
+ /* Exactly one of LIVE or CONFIG must be set. */
+ if (!(flags & VIR_DOMAIN_VCPU_LIVE) == !(flags & VIR_DOMAIN_VCPU_CONFIG)) {
+ qemuReportError(VIR_ERR_INVALID_ARG,
+ _("invalid flag combination: (0x%x)"), flags);
return -1;
}
@@ -6192,14 +6258,18 @@ qemudDomainGetVcpusFlags(virDomainPtr dom, unsigned int flags)
goto cleanup;
}
- if (!(type = virDomainVirtTypeToString(vm->def->virtType))) {
- qemuReportError(VIR_ERR_INTERNAL_ERROR,
- _("unknown virt type in domain definition '%d'"),
- vm->def->virtType);
- goto cleanup;
+ if (flags & VIR_DOMAIN_VCPU_LIVE) {
+ if (!virDomainObjIsActive(vm)) {
+ qemuReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain not active"));
+ goto cleanup;
+ }
+ def = vm->def;
+ } else {
+ def = vm->newDef ? vm->newDef : vm->def;
}
- ret = qemudGetMaxVCPUs(NULL, type);
+ ret = (flags & VIR_DOMAIN_VCPU_MAXIMUM) ? def->maxvcpus : def->vcpus;
cleanup:
if (vm)
--
1.7.2.3

View File

@@ -1,294 +0,0 @@
From 0fab10e5ed971ab4f960a53e9640b0672f4b8ac3 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Tue, 5 Oct 2010 08:18:52 -0600
Subject: [PATCH 12/15] 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.
---
src/xen/xend_internal.c | 19 +++++++++++++--
src/xen/xm_internal.c | 10 ++++++-
tests/sexpr2xmldata/sexpr2xml-pv-vcpus.sexpr | 1 +
tests/sexpr2xmldata/sexpr2xml-pv-vcpus.xml | 27 +++++++++++++++++++++
tests/sexpr2xmltest.c | 1 +
tests/xmconfigdata/test-paravirt-vcpu.cfg | 17 +++++++++++++
tests/xmconfigdata/test-paravirt-vcpu.xml | 32 ++++++++++++++++++++++++++
tests/xmconfigtest.c | 1 +
tests/xml2sexprdata/xml2sexpr-pv-vcpus.sexpr | 1 +
tests/xml2sexprtest.c | 1 +
10 files changed, 105 insertions(+), 5 deletions(-)
create mode 100644 tests/sexpr2xmldata/sexpr2xml-pv-vcpus.sexpr
create mode 100644 tests/sexpr2xmldata/sexpr2xml-pv-vcpus.xml
create mode 100644 tests/xmconfigdata/test-paravirt-vcpu.cfg
create mode 100644 tests/xmconfigdata/test-paravirt-vcpu.xml
create mode 100644 tests/xml2sexprdata/xml2sexpr-pv-vcpus.sexpr
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index 456b477..dfc6415 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -44,6 +44,7 @@
#include "xen_hypervisor.h"
#include "xs_internal.h" /* To extract VNC port & Serial console TTY */
#include "memory.h"
+#include "count-one-bits.h"
/* required for cpumap_t */
#include <xen/dom0_ops.h>
@@ -2191,7 +2192,9 @@ xenDaemonParseSxpr(virConnectPtr conn,
}
def->maxvcpus = sexpr_int(root, "domain/vcpus");
- def->vcpus = def->maxvcpus;
+ def->vcpus = count_one_bits(sexpr_int(root, "domain/vcpu_avail"));
+ if (!def->vcpus || def->maxvcpus < def->vcpus)
+ def->vcpus = def->maxvcpus;
tmp = sexpr_node(root, "domain/on_poweroff");
if (tmp != NULL) {
@@ -2433,7 +2436,7 @@ sexpr_to_xend_domain_info(virDomainPtr domain, const struct sexpr *root,
virDomainInfoPtr info)
{
const char *flags;
-
+ int vcpus;
if ((root == NULL) || (info == NULL))
return (-1);
@@ -2464,7 +2467,11 @@ sexpr_to_xend_domain_info(virDomainPtr domain, const struct sexpr *root,
info->state = VIR_DOMAIN_NOSTATE;
}
info->cpuTime = sexpr_float(root, "domain/cpu_time") * 1000000000;
- info->nrVirtCpu = sexpr_int(root, "domain/vcpus");
+ vcpus = sexpr_int(root, "domain/vcpus");
+ info->nrVirtCpu = count_one_bits(sexpr_int(root, "domain/vcpu_avail"));
+ if (!info->nrVirtCpu || vcpus < info->nrVirtCpu)
+ info->nrVirtCpu = vcpus;
+
return (0);
}
@@ -5668,6 +5675,9 @@ xenDaemonFormatSxpr(virConnectPtr conn,
virBufferAsprintf(&buf, "(memory %lu)(maxmem %lu)",
def->mem.cur_balloon/1024, def->mem.max_balloon/1024);
virBufferAsprintf(&buf, "(vcpus %u)", def->maxvcpus);
+ /* Computing the vcpu_avail bitmask works because MAX_VIRT_CPUS is 32. */
+ if (def->vcpus < def->maxvcpus)
+ virBufferAsprintf(&buf, "(vcpu_avail %u)", (1U << def->vcpus) - 1);
if (def->cpumask) {
char *ranges = virDomainCpuSetFormat(def->cpumask, def->cpumasklen);
@@ -5763,6 +5773,9 @@ xenDaemonFormatSxpr(virConnectPtr conn,
virBufferAsprintf(&buf, "(kernel '%s')", def->os.loader);
virBufferAsprintf(&buf, "(vcpus %u)", def->maxvcpus);
+ if (def->vcpus < def->maxvcpus)
+ virBufferAsprintf(&buf, "(vcpu_avail %u)",
+ (1U << def->vcpus) - 1);
for (i = 0 ; i < def->os.nBootDevs ; i++) {
switch (def->os.bootDevs[i]) {
diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index bf20a64..f7121ab 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -46,6 +46,7 @@
#include "util.h"
#include "memory.h"
#include "logging.h"
+#include "count-one-bits.h"
#define VIR_FROM_THIS VIR_FROM_XENXM
@@ -772,10 +773,12 @@ xenXMDomainConfigParse(virConnectPtr conn, virConfPtr conf) {
def->mem.max_balloon *= 1024;
if (xenXMConfigGetULong(conf, "vcpus", &count, 1) < 0 ||
- (unsigned short) count != count)
+ MAX_VIRT_CPUS < count)
goto cleanup;
def->maxvcpus = count;
- def->vcpus = def->maxvcpus;
+ if (xenXMConfigGetULong(conf, "vcpu_avail", &count, -1) < 0)
+ goto cleanup;
+ def->vcpus = MIN(count_one_bits(count), def->maxvcpus);
if (xenXMConfigGetString(conf, "cpus", &str, NULL) < 0)
goto cleanup;
@@ -2246,6 +2249,9 @@ virConfPtr xenXMDomainConfigFormat(virConnectPtr conn,
if (xenXMConfigSetInt(conf, "vcpus", def->maxvcpus) < 0)
goto no_memory;
+ if (def->vcpus < def->maxvcpus &&
+ xenXMConfigSetInt(conf, "vcpu_avail", (1U << def->vcpus) - 1) < 0)
+ goto no_memory;
if ((def->cpumask != NULL) &&
((cpus = virDomainCpuSetFormat(def->cpumask,
diff --git a/tests/sexpr2xmldata/sexpr2xml-pv-vcpus.sexpr b/tests/sexpr2xmldata/sexpr2xml-pv-vcpus.sexpr
new file mode 100644
index 0000000..2be6822
--- /dev/null
+++ b/tests/sexpr2xmldata/sexpr2xml-pv-vcpus.sexpr
@@ -0,0 +1 @@
+(domain (domid 6)(name 'pvtest')(memory 420)(maxmem 420)(vcpus 4)(vcpu_avail 3)(uuid '596a5d2171f48fb2e068e2386a5c413e')(on_poweroff 'destroy')(on_reboot 'destroy')(on_crash 'destroy')(image (linux (kernel '/var/lib/xen/vmlinuz.2Dn2YT')(ramdisk '/var/lib/xen/initrd.img.0u-Vhq')(args ' method=http://download.fedora.devel.redhat.com/pub/fedora/linux/core/test/5.91/x86_64/os ')))(device (vbd (dev 'xvda')(uname 'file:/root/some.img')(mode 'w'))))
diff --git a/tests/sexpr2xmldata/sexpr2xml-pv-vcpus.xml b/tests/sexpr2xmldata/sexpr2xml-pv-vcpus.xml
new file mode 100644
index 0000000..0d6bf11
--- /dev/null
+++ b/tests/sexpr2xmldata/sexpr2xml-pv-vcpus.xml
@@ -0,0 +1,27 @@
+<domain type='xen' id='6'>
+ <name>pvtest</name>
+ <uuid>596a5d21-71f4-8fb2-e068-e2386a5c413e</uuid>
+ <memory>430080</memory>
+ <currentMemory>430080</currentMemory>
+ <vcpu current='2'>4</vcpu>
+ <os>
+ <type>linux</type>
+ <kernel>/var/lib/xen/vmlinuz.2Dn2YT</kernel>
+ <initrd>/var/lib/xen/initrd.img.0u-Vhq</initrd>
+ <cmdline> method=http://download.fedora.devel.redhat.com/pub/fedora/linux/core/test/5.91/x86_64/os </cmdline>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>destroy</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <disk type='file' device='disk'>
+ <driver name='file'/>
+ <source file='/root/some.img'/>
+ <target dev='xvda' bus='xen'/>
+ </disk>
+ <console type='pty'>
+ <target type='xen' port='0'/>
+ </console>
+ </devices>
+</domain>
diff --git a/tests/sexpr2xmltest.c b/tests/sexpr2xmltest.c
index d62b44f..f100dd8 100644
--- a/tests/sexpr2xmltest.c
+++ b/tests/sexpr2xmltest.c
@@ -132,6 +132,7 @@ mymain(int argc, char **argv)
DO_TEST("pv-vfb-type-crash", "pv-vfb-type-crash", 3);
DO_TEST("fv-autoport", "fv-autoport", 3);
DO_TEST("pv-bootloader", "pv-bootloader", 1);
+ DO_TEST("pv-vcpus", "pv-vcpus", 1);
DO_TEST("disk-file", "disk-file", 2);
DO_TEST("disk-block", "disk-block", 2);
diff --git a/tests/xmconfigdata/test-paravirt-vcpu.cfg b/tests/xmconfigdata/test-paravirt-vcpu.cfg
new file mode 100644
index 0000000..24c78f4
--- /dev/null
+++ b/tests/xmconfigdata/test-paravirt-vcpu.cfg
@@ -0,0 +1,17 @@
+name = "XenGuest1"
+uuid = "c7a5fdb0-cdaf-9455-926a-d65c16db1809"
+maxmem = 579
+memory = 394
+vcpus = 4
+vcpu_avail = 3
+bootloader = "/usr/bin/pygrub"
+on_poweroff = "destroy"
+on_reboot = "restart"
+on_crash = "restart"
+sdl = 0
+vnc = 1
+vncunused = 1
+vnclisten = "127.0.0.1"
+vncpasswd = "123poi"
+disk = [ "phy:/dev/HostVG/XenGuest1,xvda,w" ]
+vif = [ "mac=00:16:3e:66:94:9c,bridge=br0,script=vif-bridge" ]
diff --git a/tests/xmconfigdata/test-paravirt-vcpu.xml b/tests/xmconfigdata/test-paravirt-vcpu.xml
new file mode 100644
index 0000000..0be9456
--- /dev/null
+++ b/tests/xmconfigdata/test-paravirt-vcpu.xml
@@ -0,0 +1,32 @@
+<domain type='xen'>
+ <name>XenGuest1</name>
+ <uuid>c7a5fdb0-cdaf-9455-926a-d65c16db1809</uuid>
+ <memory>592896</memory>
+ <currentMemory>403456</currentMemory>
+ <vcpu current='2'>4</vcpu>
+ <bootloader>/usr/bin/pygrub</bootloader>
+ <os>
+ <type arch='i686' machine='xenpv'>linux</type>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>restart</on_crash>
+ <devices>
+ <disk type='block' device='disk'>
+ <driver name='phy'/>
+ <source dev='/dev/HostVG/XenGuest1'/>
+ <target dev='xvda' bus='xen'/>
+ </disk>
+ <interface type='bridge'>
+ <mac address='00:16:3e:66:94:9c'/>
+ <source bridge='br0'/>
+ <script path='vif-bridge'/>
+ </interface>
+ <console type='pty'>
+ <target type='xen' port='0'/>
+ </console>
+ <input type='mouse' bus='xen'/>
+ <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1' passwd='123poi'/>
+ </devices>
+</domain>
diff --git a/tests/xmconfigtest.c b/tests/xmconfigtest.c
index 221b322..ea00747 100644
--- a/tests/xmconfigtest.c
+++ b/tests/xmconfigtest.c
@@ -210,6 +210,7 @@ mymain(int argc, char **argv)
DO_TEST("paravirt-new-pvfb-vncdisplay", 3);
DO_TEST("paravirt-net-e1000", 3);
DO_TEST("paravirt-net-vifname", 3);
+ DO_TEST("paravirt-vcpu", 2);
DO_TEST("fullvirt-old-cdrom", 1);
DO_TEST("fullvirt-new-cdrom", 2);
DO_TEST("fullvirt-utc", 2);
diff --git a/tests/xml2sexprdata/xml2sexpr-pv-vcpus.sexpr b/tests/xml2sexprdata/xml2sexpr-pv-vcpus.sexpr
new file mode 100644
index 0000000..e886545
--- /dev/null
+++ b/tests/xml2sexprdata/xml2sexpr-pv-vcpus.sexpr
@@ -0,0 +1 @@
+(vm (name 'pvtest')(memory 420)(maxmem 420)(vcpus 4)(vcpu_avail 3)(uuid '596a5d21-71f4-8fb2-e068-e2386a5c413e')(on_poweroff 'destroy')(on_reboot 'destroy')(on_crash 'destroy')(image (linux (kernel '/var/lib/xen/vmlinuz.2Dn2YT')(ramdisk '/var/lib/xen/initrd.img.0u-Vhq')(args ' method=http://download.fedora.devel.redhat.com/pub/fedora/linux/core/test/5.91/x86_64/os ')))(device (vbd (dev 'xvda')(uname 'file:/root/some.img')(mode 'w'))))
\ No newline at end of file
diff --git a/tests/xml2sexprtest.c b/tests/xml2sexprtest.c
index 77cf760..9cf8d39 100644
--- a/tests/xml2sexprtest.c
+++ b/tests/xml2sexprtest.c
@@ -118,6 +118,7 @@ mymain(int argc, char **argv)
DO_TEST("pv-vfb-new", "pv-vfb-new", "pvtest", 3);
DO_TEST("pv-vfb-new-auto", "pv-vfb-new-auto", "pvtest", 3);
DO_TEST("pv-bootloader", "pv-bootloader", "pvtest", 1);
+ DO_TEST("pv-vcpus", "pv-vcpus", "pvtest", 1);
DO_TEST("disk-file", "disk-file", "pvtest", 2);
DO_TEST("disk-block", "disk-block", "pvtest", 2);
--
1.7.2.3

View File

@@ -1,216 +0,0 @@
From 290ea33111be7bdf1f1381b90de33eb0e67c1a15 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Wed, 6 Oct 2010 17:54:41 -0600
Subject: [PATCH 13/15] vcpu: improve support for getting xen vcpu counts
* src/xen/xen_driver.c (xenUnifiedDomainGetVcpusFlags): Support
more flags.
* src/xen/xend_internal.h (xenDaemonDomainGetVcpusFlags): New
prototype.
* src/xen/xm_internal.h (xenXMDomainGetVcpusFlags): Likewise.
* src/xen/xend_internal.c (virDomainGetVcpusFlags): New function.
* src/xen/xm_internal.c (xenXMDomainGetVcpusFlags): Likewise.
---
src/xen/xen_driver.c | 31 +++++++++++++++++++--------
src/xen/xend_internal.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++
src/xen/xend_internal.h | 2 +
src/xen/xm_internal.c | 47 ++++++++++++++++++++++++++++++++++++++++++
src/xen/xm_internal.h | 1 +
5 files changed, 124 insertions(+), 9 deletions(-)
diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index d6c9c57..fe2ff86 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -1142,20 +1142,33 @@ static int
xenUnifiedDomainGetVcpusFlags (virDomainPtr dom, unsigned int flags)
{
GET_PRIVATE(dom->conn);
- int i, ret;
+ int ret;
- if (flags != (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_MAXIMUM)) {
- xenUnifiedError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
- flags);
+ virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_CONFIG |
+ VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
+ /* Exactly one of LIVE or CONFIG must be set. */
+ if (!(flags & VIR_DOMAIN_VCPU_LIVE) == !(flags & VIR_DOMAIN_VCPU_CONFIG)) {
+ xenUnifiedError(VIR_ERR_INVALID_ARG,
+ _("invalid flag combination: (0x%x)"), flags);
return -1;
}
- for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
- if (priv->opened[i] && drivers[i]->domainGetMaxVcpus) {
- ret = drivers[i]->domainGetMaxVcpus (dom);
- if (ret != 0) return ret;
- }
+ if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
+ ret = xenDaemonDomainGetVcpusFlags(dom, flags);
+ if (ret != -2)
+ return ret;
+ }
+ if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
+ ret = xenXMDomainGetVcpusFlags(dom, flags);
+ if (ret != -2)
+ return ret;
+ }
+ if (flags == (VIR_DOMAIN_VCPU_CONFIG | VIR_DOMAIN_VCPU_MAXIMUM))
+ return xenHypervisorGetVcpuMax(dom);
+ xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
return -1;
}
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index dfc6415..3642296 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -3620,6 +3620,58 @@ xenDaemonDomainPinVcpu(virDomainPtr domain, unsigned int vcpu,
}
/**
+ * xenDaemonDomainGetVcpusFlags:
+ * @domain: pointer to domain object
+ * @flags: bitwise-ORd from virDomainVcpuFlags
+ *
+ * Extract information about virtual CPUs of domain according to flags.
+ *
+ * Returns the number of vcpus on success, -1 if an error message was
+ * issued, and -2 if the unified driver should keep trying.
+
+ */
+int
+xenDaemonDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
+{
+ struct sexpr *root;
+ int ret;
+ xenUnifiedPrivatePtr priv;
+
+ if (domain == NULL || domain->conn == NULL || domain->name == NULL) {
+ virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+ return -1;
+ }
+
+ priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
+
+ /* If xendConfigVersion is 2, then we can only report _LIVE (and
+ * xm_internal reports _CONFIG). If it is 3, then _LIVE and
+ * _CONFIG are always in sync for a running system. */
+ if (domain->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
+ return -2;
+ if (domain->id < 0 && (flags & VIR_DOMAIN_VCPU_LIVE)) {
+ virXendError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain not active"));
+ return -1;
+ }
+
+ root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
+ if (root == NULL)
+ return -1;
+
+ ret = sexpr_int(root, "domain/vcpus");
+ if (!(flags & VIR_DOMAIN_VCPU_MAXIMUM)) {
+ int vcpus = count_one_bits(sexpr_int(root, "domain/vcpu_avail"));
+ if (vcpus)
+ ret = MIN(vcpus, ret);
+ }
+ if (!ret)
+ ret = -2;
+ sexpr_free(root);
+ return ret;
+}
+
+/**
* virDomainGetVcpus:
* @domain: pointer to domain object, or NULL for Domain0
* @info: pointer to an array of virVcpuInfo structures (OUT)
diff --git a/src/xen/xend_internal.h b/src/xen/xend_internal.h
index c757716..923cebd 100644
--- a/src/xen/xend_internal.h
+++ b/src/xen/xend_internal.h
@@ -155,6 +155,8 @@ int xenDaemonDomainPinVcpu (virDomainPtr domain,
unsigned int vcpu,
unsigned char *cpumap,
int maplen);
+int xenDaemonDomainGetVcpusFlags (virDomainPtr domain,
+ unsigned int flags);
int xenDaemonDomainGetVcpus (virDomainPtr domain,
virVcpuInfoPtr info,
int maxinfo,
diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index f7121ab..4ea4245 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -1671,6 +1671,53 @@ cleanup:
}
/**
+ * xenXMDomainGetVcpusFlags:
+ * @domain: pointer to domain object
+ * @flags: bitwise-ORd from virDomainVcpuFlags
+ *
+ * Extract information about virtual CPUs of domain according to flags.
+ *
+ * Returns the number of vcpus on success, -1 if an error message was
+ * issued, and -2 if the unified driver should keep trying.
+ */
+int
+xenXMDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
+{
+ xenUnifiedPrivatePtr priv;
+ const char *filename;
+ xenXMConfCachePtr entry;
+ int ret = -2;
+
+ if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
+ xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+ return -1;
+ }
+
+ if (domain->id != -1)
+ return -2;
+ if (flags & VIR_DOMAIN_VCPU_LIVE) {
+ xenXMError(VIR_ERR_OPERATION_FAILED, "%s", _("domain not active"));
+ return -1;
+ }
+
+ priv = domain->conn->privateData;
+ xenUnifiedLock(priv);
+
+ if (!(filename = virHashLookup(priv->nameConfigMap, domain->name)))
+ goto cleanup;
+
+ if (!(entry = virHashLookup(priv->configCache, filename)))
+ goto cleanup;
+
+ ret = ((flags & VIR_DOMAIN_VCPU_MAXIMUM) ? entry->def->maxvcpus
+ : entry->def->vcpus);
+
+cleanup:
+ xenUnifiedUnlock(priv);
+ return ret;
+}
+
+/**
* xenXMDomainPinVcpu:
* @domain: pointer to domain object
* @vcpu: virtual CPU number (reserved)
diff --git a/src/xen/xm_internal.h b/src/xen/xm_internal.h
index 3ad3456..3295fbd 100644
--- a/src/xen/xm_internal.h
+++ b/src/xen/xm_internal.h
@@ -45,6 +45,7 @@ int xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory);
int xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
unsigned long xenXMDomainGetMaxMemory(virDomainPtr domain);
int xenXMDomainSetVcpus(virDomainPtr domain, unsigned int vcpus);
+int xenXMDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags);
int xenXMDomainPinVcpu(virDomainPtr domain, unsigned int vcpu,
unsigned char *cpumap, int maplen);
virDomainPtr xenXMDomainLookupByName(virConnectPtr conn, const char *domname);
--
1.7.2.3

View File

@@ -1,342 +0,0 @@
From e443a003129a172a7332f3cb6e40b3c39363ed5e Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Thu, 14 Oct 2010 16:17:18 -0600
Subject: [PATCH 14/15] vcpu: improve support for setting xen vcpu counts
Tested with RHEL 5.6 (xendConfigVersion 2, where xend_internal
controls live domains and xm_internal controls inactive domains).
Hopefully this works with xendConfigVersion 3 (where xend_internal
controls everything).
* src/xen/xen_driver.c (xenUnifiedDomainSetVcpusFlags): Support
more flags.
(xenUnifiedGetMaxVcpus): Export.
* src/xen/xm_internal.h (xenXMDomainSetVcpusFlags): New prototype.
* src/xen/xend_internal.h (xenDaemonDomainSetVcpusFlags): Likewise.
* src/xen/xen_driver.h (xenUnifiedGetMaxVcpus): Likewise.
* src/xen/xm_internal.c (xenXMDomainSetVcpusFlags): New function.
* src/xen/xend_internal.c (xenDaemonDomainSetVcpusFlags): Likewise.
---
src/xen/xen_driver.c | 60 ++++++++++++++++++++++++---------
src/xen/xen_driver.h | 1 +
src/xen/xend_internal.c | 76 +++++++++++++++++++++++++++++++++++++++++++
src/xen/xend_internal.h | 3 ++
src/xen/xm_internal.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++
src/xen/xm_internal.h | 2 +
6 files changed, 208 insertions(+), 17 deletions(-)
diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index fe2ff86..66e8518 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -508,7 +508,7 @@ xenUnifiedIsSecure(virConnectPtr conn)
return ret;
}
-static int
+int
xenUnifiedGetMaxVcpus (virConnectPtr conn, const char *type)
{
GET_PRIVATE(conn);
@@ -1073,36 +1073,62 @@ xenUnifiedDomainSetVcpusFlags (virDomainPtr dom, unsigned int nvcpus,
unsigned int flags)
{
GET_PRIVATE(dom->conn);
- int i;
+ int ret;
+
+ virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+ VIR_DOMAIN_VCPU_CONFIG |
+ VIR_DOMAIN_VCPU_MAXIMUM, -1);
- if (flags != VIR_DOMAIN_VCPU_LIVE) {
- xenUnifiedError(VIR_ERR_INVALID_ARG, _("unsupported flags: (0x%x)"),
- flags);
+ /* At least one of LIVE or CONFIG must be set. MAXIMUM cannot be
+ * mixed with LIVE. */
+ if ((flags & (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG)) == 0 ||
+ (flags & (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) ==
+ (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) {
+ xenUnifiedError(VIR_ERR_INVALID_ARG,
+ _("invalid flag combination: (0x%x)"), flags);
+ return -1;
+ }
+ if (!nvcpus || (unsigned short) nvcpus != nvcpus) {
+ xenUnifiedError(VIR_ERR_INVALID_ARG,
+ _("argument out of range: %d"), nvcpus);
return -1;
}
/* Try non-hypervisor methods first, then hypervisor direct method
* as a last resort.
*/
- for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
- if (i != XEN_UNIFIED_HYPERVISOR_OFFSET &&
- priv->opened[i] &&
- drivers[i]->domainSetVcpus &&
- drivers[i]->domainSetVcpus (dom, nvcpus) == 0)
- return 0;
-
- if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET] &&
- drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainSetVcpus &&
- drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainSetVcpus (dom, nvcpus) == 0)
- return 0;
+ if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
+ ret = xenDaemonDomainSetVcpusFlags(dom, nvcpus, flags);
+ if (ret != -2)
+ return ret;
+ }
+ if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
+ ret = xenXMDomainSetVcpusFlags(dom, nvcpus, flags);
+ if (ret != -2)
+ return ret;
+ }
+ if (flags == VIR_DOMAIN_VCPU_LIVE)
+ return xenHypervisorSetVcpus(dom, nvcpus);
+ xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
return -1;
}
static int
xenUnifiedDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
{
- return xenUnifiedDomainSetVcpusFlags(dom, nvcpus, VIR_DOMAIN_VCPU_LIVE);
+ unsigned int flags = VIR_DOMAIN_VCPU_LIVE;
+ xenUnifiedPrivatePtr priv;
+
+ /* Per the documented API, it is hypervisor-dependent whether this
+ * affects just _LIVE or _LIVE|_CONFIG; in xen's case, that
+ * depends on xendConfigVersion. */
+ if (dom) {
+ priv = dom->conn->privateData;
+ if (priv->xendConfigVersion >= XEND_CONFIG_VERSION_3_0_4)
+ flags |= VIR_DOMAIN_VCPU_CONFIG;
+ }
+ return xenUnifiedDomainSetVcpusFlags(dom, nvcpus, flags);
}
static int
diff --git a/src/xen/xen_driver.h b/src/xen/xen_driver.h
index 3e7c1d0..115a26a 100644
--- a/src/xen/xen_driver.h
+++ b/src/xen/xen_driver.h
@@ -220,6 +220,7 @@ int xenUnifiedRemoveDomainInfo(xenUnifiedDomainInfoListPtr info,
void xenUnifiedDomainEventDispatch (xenUnifiedPrivatePtr priv,
virDomainEventPtr event);
unsigned long xenUnifiedVersion(void);
+int xenUnifiedGetMaxVcpus(virConnectPtr conn, const char *type);
# ifndef PROXY
void xenUnifiedLock(xenUnifiedPrivatePtr priv);
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index 3642296..55c2cc4 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -3535,6 +3535,82 @@ xenDaemonLookupByID(virConnectPtr conn, int id) {
}
/**
+ * xenDaemonDomainSetVcpusFlags:
+ * @domain: pointer to domain object
+ * @nvcpus: the new number of virtual CPUs for this domain
+ * @flags: bitwise-ORd from virDomainVcpuFlags
+ *
+ * Change virtual CPUs allocation of domain according to flags.
+ *
+ * Returns 0 on success, -1 if an error message was issued, and -2 if
+ * the unified driver should keep trying.
+ */
+int
+xenDaemonDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
+ unsigned int flags)
+{
+ char buf[VIR_UUID_BUFLEN];
+ xenUnifiedPrivatePtr priv;
+ int max;
+
+ if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)
+ || (vcpus < 1)) {
+ virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+ return (-1);
+ }
+
+ priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
+
+ if ((domain->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) ||
+ (flags & VIR_DOMAIN_VCPU_MAXIMUM))
+ return -2;
+
+ /* With xendConfigVersion 2, only _LIVE is supported. With
+ * xendConfigVersion 3, only _LIVE|_CONFIG is supported for
+ * running domains, or _CONFIG for inactive domains. */
+ if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
+ if (flags & VIR_DOMAIN_VCPU_CONFIG) {
+ virXendError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("Xend version does not support modifying "
+ "persistent config"));
+ return -1;
+ }
+ } else if (domain->id < 0) {
+ if (flags & VIR_DOMAIN_VCPU_LIVE) {
+ virXendError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain not running"));
+ return -1;
+ }
+ } else {
+ if ((flags & (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG)) !=
+ (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG)) {
+ virXendError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("Xend only supports modifying both live and "
+ "persistent config"));
+ }
+ }
+
+ /* Unfortunately, xend_op does not validate whether this exceeds
+ * the maximum. */
+ flags |= VIR_DOMAIN_VCPU_MAXIMUM;
+ if ((max = xenDaemonDomainGetVcpusFlags(domain, flags)) < 0) {
+ virXendError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("could not determin max vcpus for the domain"));
+ return -1;
+ }
+ if (vcpus > max) {
+ virXendError(VIR_ERR_INVALID_ARG,
+ _("requested vcpus is greater than max allowable"
+ " vcpus for the domain: %d > %d"), vcpus, max);
+ return -1;
+ }
+
+ snprintf(buf, sizeof(buf), "%d", vcpus);
+ return xend_op(domain->conn, domain->name, "op", "set_vcpus", "vcpus",
+ buf, NULL);
+}
+
+/**
* xenDaemonDomainSetVcpus:
* @domain: pointer to domain object
* @nvcpus: the new number of virtual CPUs for this domain
diff --git a/src/xen/xend_internal.h b/src/xen/xend_internal.h
index 923cebd..53f5d2c 100644
--- a/src/xen/xend_internal.h
+++ b/src/xen/xend_internal.h
@@ -151,6 +151,9 @@ int xenDaemonDomainUndefine(virDomainPtr domain);
int xenDaemonDomainSetVcpus (virDomainPtr domain,
unsigned int vcpus);
+int xenDaemonDomainSetVcpusFlags (virDomainPtr domain,
+ unsigned int vcpus,
+ unsigned int flags);
int xenDaemonDomainPinVcpu (virDomainPtr domain,
unsigned int vcpu,
unsigned char *cpumap,
diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index 4ea4245..2b8e51e 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -1670,6 +1670,89 @@ cleanup:
return ret;
}
+/*
+ * xenXMDomainSetVcpusFlags:
+ * @domain: pointer to domain object
+ * @nvcpus: number of vcpus
+ * @flags: bitwise-ORd from virDomainVcpuFlags
+ *
+ * Change virtual CPUs allocation of domain according to flags.
+ *
+ * Returns 0 on success, -1 if an error message was issued, and -2 if
+ * the unified driver should keep trying.
+ */
+int
+xenXMDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
+ unsigned int flags)
+{
+ xenUnifiedPrivatePtr priv;
+ const char *filename;
+ xenXMConfCachePtr entry;
+ int ret = -1;
+ int max;
+
+ if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
+ xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+ return -1;
+ }
+ if (domain->conn->flags & VIR_CONNECT_RO) {
+ xenXMError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ return -1;
+ }
+ if (domain->id != -1)
+ return -2;
+ if (flags & VIR_DOMAIN_VCPU_LIVE) {
+ xenXMError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain is not running"));
+ return -1;
+ }
+
+ priv = domain->conn->privateData;
+ xenUnifiedLock(priv);
+
+ if (!(filename = virHashLookup(priv->nameConfigMap, domain->name)))
+ goto cleanup;
+
+ if (!(entry = virHashLookup(priv->configCache, filename)))
+ goto cleanup;
+
+ /* Hypervisor maximum. */
+ if ((max = xenUnifiedGetMaxVcpus(domain->conn, NULL)) < 0) {
+ xenXMError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("could not determin max vcpus for the domain"));
+ goto cleanup;
+ }
+ /* Can't specify a current larger than stored maximum; but
+ * reducing maximum can silently reduce current. */
+ if (!(flags & VIR_DOMAIN_VCPU_MAXIMUM))
+ max = entry->def->maxvcpus;
+ if (vcpus > max) {
+ xenXMError(VIR_ERR_INVALID_ARG,
+ _("requested vcpus is greater than max allowable"
+ " vcpus for the domain: %d > %d"), vcpus, max);
+ goto cleanup;
+ }
+
+ if (flags & VIR_DOMAIN_VCPU_MAXIMUM) {
+ entry->def->maxvcpus = vcpus;
+ if (entry->def->vcpus > vcpus)
+ entry->def->vcpus = vcpus;
+ } else {
+ entry->def->vcpus = vcpus;
+ }
+
+ /* If this fails, should we try to undo our changes to the
+ * in-memory representation of the config file. I say not!
+ */
+ if (xenXMConfigSaveFile(domain->conn, entry->filename, entry->def) < 0)
+ goto cleanup;
+ ret = 0;
+
+cleanup:
+ xenUnifiedUnlock(priv);
+ return ret;
+}
+
/**
* xenXMDomainGetVcpusFlags:
* @domain: pointer to domain object
diff --git a/src/xen/xm_internal.h b/src/xen/xm_internal.h
index 3295fbd..a46e1a2 100644
--- a/src/xen/xm_internal.h
+++ b/src/xen/xm_internal.h
@@ -45,6 +45,8 @@ int xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory);
int xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
unsigned long xenXMDomainGetMaxMemory(virDomainPtr domain);
int xenXMDomainSetVcpus(virDomainPtr domain, unsigned int vcpus);
+int xenXMDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
+ unsigned int flags);
int xenXMDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags);
int xenXMDomainPinVcpu(virDomainPtr domain, unsigned int vcpu,
unsigned char *cpumap, int maplen);
--
1.7.2.3

View File

@@ -1,228 +0,0 @@
From b013788742183afec9aa5068d3cfd185a3b5c62e Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Thu, 7 Oct 2010 08:59:27 -0600
Subject: [PATCH 15/15] vcpu: remove dead xen code
* src/xen/xen_driver.h (xenUnifiedDriver): Remove now-unused
domainGetMaxVcpus, domainSetVcpus.
* src/xen/proxy_internal.c (xenProxyDriver): Likewise.
* src/xen/xen_hypervisor.c (xenHypervisorDriver): Likewise.
* src/xen/xen_inotify.c (xenInotifyDriver): Likewise.
* src/xen/xend_internal.c (xenDaemonDriver)
(xenDaemonDomainSetVcpus): Likewise.
* src/xen/xm_internal.c (xenXMDriver, xenXMDomainSetVcpus):
Likewise.
* src/xen/xs_internal.c (xenStoreDriver): Likewise.
---
src/xen/proxy_internal.c | 2 --
src/xen/xen_driver.h | 4 +---
src/xen/xen_hypervisor.c | 2 --
src/xen/xen_inotify.c | 2 --
src/xen/xend_internal.c | 33 ---------------------------------
src/xen/xm_internal.c | 43 -------------------------------------------
src/xen/xs_internal.c | 2 --
7 files changed, 1 insertions(+), 87 deletions(-)
diff --git a/src/xen/proxy_internal.c b/src/xen/proxy_internal.c
index 335dfc4..4033727 100644
--- a/src/xen/proxy_internal.c
+++ b/src/xen/proxy_internal.c
@@ -67,10 +67,8 @@ struct xenUnifiedDriver xenProxyDriver = {
NULL, /* domainSave */
NULL, /* domainRestore */
NULL, /* domainCoreDump */
- NULL, /* domainSetVcpus */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
- NULL, /* domainGetMaxVcpus */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
diff --git a/src/xen/xen_driver.h b/src/xen/xen_driver.h
index 115a26a..53f97d4 100644
--- a/src/xen/xen_driver.h
+++ b/src/xen/xen_driver.h
@@ -1,7 +1,7 @@
/*
* xen_unified.c: Unified Xen driver.
*
- * Copyright (C) 2007 Red Hat, Inc.
+ * Copyright (C) 2007, 2010 Red Hat, Inc.
*
* See COPYING.LIB for the License of this software
*
@@ -84,10 +84,8 @@ struct xenUnifiedDriver {
virDrvDomainSave domainSave;
virDrvDomainRestore domainRestore;
virDrvDomainCoreDump domainCoreDump;
- virDrvDomainSetVcpus domainSetVcpus;
virDrvDomainPinVcpu domainPinVcpu;
virDrvDomainGetVcpus domainGetVcpus;
- virDrvDomainGetMaxVcpus domainGetMaxVcpus;
virDrvListDefinedDomains listDefinedDomains;
virDrvNumOfDefinedDomains numOfDefinedDomains;
virDrvDomainCreate domainCreate;
diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
index 6246513..3797865 100644
--- a/src/xen/xen_hypervisor.c
+++ b/src/xen/xen_hypervisor.c
@@ -784,10 +784,8 @@ struct xenUnifiedDriver xenHypervisorDriver = {
NULL, /* domainSave */
NULL, /* domainRestore */
NULL, /* domainCoreDump */
- xenHypervisorSetVcpus, /* domainSetVcpus */
xenHypervisorPinVcpu, /* domainPinVcpu */
xenHypervisorGetVcpus, /* domainGetVcpus */
- xenHypervisorGetVcpuMax, /* domainGetMaxVcpus */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
diff --git a/src/xen/xen_inotify.c b/src/xen/xen_inotify.c
index d24b20f..9507061 100644
--- a/src/xen/xen_inotify.c
+++ b/src/xen/xen_inotify.c
@@ -71,10 +71,8 @@ struct xenUnifiedDriver xenInotifyDriver = {
NULL, /* domainSave */
NULL, /* domainRestore */
NULL, /* domainCoreDump */
- NULL, /* domainSetVcpus */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
- NULL, /* domainGetMaxVcpus */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index 55c2cc4..b90c331 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -3611,37 +3611,6 @@ xenDaemonDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
}
/**
- * xenDaemonDomainSetVcpus:
- * @domain: pointer to domain object
- * @nvcpus: the new number of virtual CPUs for this domain
- *
- * Dynamically change the number of virtual CPUs used by the domain.
- *
- * Returns 0 for success; -1 (with errno) on error
- */
-int
-xenDaemonDomainSetVcpus(virDomainPtr domain, unsigned int vcpus)
-{
- char buf[VIR_UUID_BUFLEN];
- xenUnifiedPrivatePtr priv;
-
- if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)
- || (vcpus < 1)) {
- virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
- return (-1);
- }
-
- priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
-
- if (domain->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
- return(-1);
-
- snprintf(buf, sizeof(buf), "%d", vcpus);
- return(xend_op(domain->conn, domain->name, "op", "set_vcpus", "vcpus",
- buf, NULL));
-}
-
-/**
* xenDaemonDomainPinCpu:
* @domain: pointer to domain object
* @vcpu: virtual CPU number
@@ -5213,10 +5182,8 @@ struct xenUnifiedDriver xenDaemonDriver = {
xenDaemonDomainSave, /* domainSave */
xenDaemonDomainRestore, /* domainRestore */
xenDaemonDomainCoreDump, /* domainCoreDump */
- xenDaemonDomainSetVcpus, /* domainSetVcpus */
xenDaemonDomainPinVcpu, /* domainPinVcpu */
xenDaemonDomainGetVcpus, /* domainGetVcpus */
- NULL, /* domainGetMaxVcpus */
xenDaemonListDefinedDomains, /* listDefinedDomains */
xenDaemonNumOfDefinedDomains,/* numOfDefinedDomains */
xenDaemonDomainCreate, /* domainCreate */
diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index 2b8e51e..430d40b 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -103,10 +103,8 @@ struct xenUnifiedDriver xenXMDriver = {
NULL, /* domainSave */
NULL, /* domainRestore */
NULL, /* domainCoreDump */
- xenXMDomainSetVcpus, /* domainSetVcpus */
xenXMDomainPinVcpu, /* domainPinVcpu */
NULL, /* domainGetVcpus */
- NULL, /* domainGetMaxVcpus */
xenXMListDefinedDomains, /* listDefinedDomains */
xenXMNumOfDefinedDomains, /* numOfDefinedDomains */
xenXMDomainCreate, /* domainCreate */
@@ -1630,47 +1628,6 @@ cleanup:
}
/*
- * Set the VCPU count in config
- */
-int xenXMDomainSetVcpus(virDomainPtr domain, unsigned int vcpus) {
- xenUnifiedPrivatePtr priv;
- const char *filename;
- xenXMConfCachePtr entry;
- int ret = -1;
-
- if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
- xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
- return (-1);
- }
- if (domain->conn->flags & VIR_CONNECT_RO)
- return (-1);
- if (domain->id != -1)
- return (-1);
-
- priv = domain->conn->privateData;
- xenUnifiedLock(priv);
-
- if (!(filename = virHashLookup(priv->nameConfigMap, domain->name)))
- goto cleanup;
-
- if (!(entry = virHashLookup(priv->configCache, filename)))
- goto cleanup;
-
- entry->def->maxvcpus = entry->def->vcpus = vcpus;
-
- /* If this fails, should we try to undo our changes to the
- * in-memory representation of the config file. I say not!
- */
- if (xenXMConfigSaveFile(domain->conn, entry->filename, entry->def) < 0)
- goto cleanup;
- ret = 0;
-
-cleanup:
- xenUnifiedUnlock(priv);
- return ret;
-}
-
-/*
* xenXMDomainSetVcpusFlags:
* @domain: pointer to domain object
* @nvcpus: number of vcpus
diff --git a/src/xen/xs_internal.c b/src/xen/xs_internal.c
index 9296f25..a9817b1 100644
--- a/src/xen/xs_internal.c
+++ b/src/xen/xs_internal.c
@@ -67,10 +67,8 @@ struct xenUnifiedDriver xenStoreDriver = {
NULL, /* domainSave */
NULL, /* domainRestore */
NULL, /* domainCoreDump */
- NULL, /* domainSetVcpus */
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
- NULL, /* domainGetMaxVcpus */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
--
1.7.2.3

File diff suppressed because it is too large Load Diff

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@@ -1,459 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Applications using libvirt</h1>
<p>
This page provides an illustration of the wide variety of
applications using the libvirt management API.
</p>
<ul id="toc"></ul>
<h2><a name="add">Add an application</a></h2>
<p>
To add an application not listed on this page, send a message
to the <a href="contact.html">mailing list</a>, requesting it
be added here, or simply send a patch against the documentation
in the libvirt.git docs subdirectory.
If your application uses libvirt as its API,
the following graphic is available for your website to advertise
support for libvirt:
</p>
<p class="image">
<img src="madeWith.png" alt="Made with libvirt"/>
</p>
<h2><a name="clientserver">Client/Server applications</a></h2>
<dl>
<dt><a href="http://archipelproject.org">Archipel</a></dt>
<dd>
Archipel is a libvirt-based solution to manage and supervise virtual
machines. It uses XMPP for all communication. There is no web
service or custom protocol. You just need at least one XMPP server,
like eJabberd, to start playing with it. This allows Archipel to
work completely real time. You never have to refresh the user
interface, you'll be notified as soon as something happens. You can
even use your favorite chat clients to command your infrastructure.
</dd>
<dd>
Isn't it great to be able to open a chat conversation with your
virtual machine and say things like "How are you today?" or "Hey,
please reboot"?
</dd>
</dl>
<h2><a name="command">Command line tools</a></h2>
<dl>
<dt><a href="http://libguestfs.org">guestfish</a></dt>
<dd>
Guestfish is an interactive shell and command-line tool for examining
and modifying virtual machine filesystems. It uses libvirt to find
guests and their associated disks.
</dd>
<dt>virsh</dt>
<dd>
An interactive shell, and batch scriptable tool for performing
management tasks on all libvirt managed domains, networks and
storage. This is part of the libvirt core distribution.
</dd>
<dt><a href="http://virt-manager.org/">virt-clone</a></dt>
<dd>
Allows the disk image(s) and configuration for an existing
virtual machine to be cloned to form a new virtual machine.
It automates copying of data across to new disk images, and
updates the UUID, MAC address, and name in the configuration.
</dd>
<dt><a href="http://et.redhat.com/~rjones/virt-df/">virt-df</a></dt>
<dd>
Examine the utilization of each filesystem in a virtual machine
from the comfort of the host machine. This tool peeks into the
guest disks and determines how much space is used. It can cope
with common Linux filesystems and LVM volumes.
</dd>
<dt><a href="http://virt-manager.org/">virt-image</a></dt>
<dd>
Provides a way to deploy virtual appliances. It defines a
simplified portable XML format describing the pre-requisites
of a virtual machine. At time of deployment this is translated
into the domain XML format for execution under any libvirt
hypervisor meeting the pre-requisites.
</dd>
<dt><a href="http://virt-manager.org/">virt-install</a></dt>
<dd>
Provides a way to provision new virtual machines from a
OS distribution install tree. It supports provisioning from
local CD images, and the network over NFS, HTTP and FTP.
</dd>
<dt><a href="http://et.redhat.com/~rjones/virt-top/">virt-top</a></dt>
<dd>
Watch the CPU, memory, network and disk utilization of all
virtual machines running on a host.
</dd>
<dt>
<a href="http://people.redhat.com/~rjones/virt-what/">virt-what</a>
</dt>
<dd>
virt-what is a shell script for detecting if the program is running
in a virtual machine. It prints out a list of facts about the
virtual machine, derived from heuristics.
</dd>
<dt><a href="http://sourceware.org/systemtap/">stap</a></dt>
<dd>
SystemTap is a tool used to gather rich information about a running
system through the use of scripts. Starting from v2.4, the front-end
application stap can use libvirt to gather data within virtual
machines.
</dd>
<dt><a href="https://github.com/pradels/vagrant-libvirt/">vagrant-libvirt</a></dt>
<dd>
Vagrant-Libvirt is a Vagrant plugin that uses libvirt to manage virtual
machines. It is a command line tool for developers that makes it very
fast and easy to deploy and re-deploy an environment of vm's.
</dd>
</dl>
<h2><a name="configmgmt">Configuration Management</a></h2>
<dl>
<dt><a href="https://wiki.lcfg.org/bin/view/LCFG/LcfgLibvirt">LCFG</a></dt>
<dd>
LCFG is a system for automatically installing and managing the
configuration of large numbers of Unix systems. It is particularly
suitable for sites with very diverse and rapidly changing
configurations.
</dd>
<dd>
The lcfg-libvirt package adds support for virtualized systems to
LCFG, with both Xen and KVM known to work. Cloning guests is
supported, as are the bridged, routed, and isolated modes for
Virtual Networking.
</dd>
</dl>
<h2><a name="continuousintegration">Continuous Integration</a></h2>
<dl>
<dt><a href="http://buildbot.net/buildbot/docs/current/Libvirt.html">BuildBot</a></dt>
<dd>
BuildBot is a system to automate the compile/test cycle required
by most software projects. CVS commits trigger new builds, run on
a variety of client machines. Build status (pass/fail/etc) are
displayed on a web page or through other protocols.
</dd>
</dl>
<dl>
<dt><a href="http://wiki.jenkins-ci.org/display/JENKINS/Libvirt+Slaves+Plugin">Jenkins</a></dt>
<dd>
This plugin for Jenkins adds a way to control guest domains hosted
on Xen or QEMU/KVM. You configure a Jenkins Slave,
selecting the guest domain and hypervisor. When you need to build a
job on a specific Slave, its guest domain is started, then the job is
run. When the build process is finished, the guest domain is shut
down, ready to be used again as required.
</dd>
</dl>
<h2><a name="conversion">Conversion</a></h2>
<dl>
<dt><a href="http://libguestfs.org/virt-p2v.1.html">virt-p2v</a></dt>
<dd>
Convert a physical machine to run on KVM. It is a LiveCD
which is booted on the machine to be converted. It collects a
little information from the user, then copies the disks over
to a remote machine and defines the XML for a domain to run
the guest. (Note this tool is included with libguestfs)
</dd>
<dt><a href="http://libguestfs.org/virt-v2v.1.html">virt-v2v</a></dt>
<dd>
virt-v2v converts guests from a foreign hypervisor to run on
KVM, managed by libvirt. It can convert guests from VMware or
Xen to run on OpenStack, oVirt (RHEV-M), or local libvirt. It
will enable VirtIO drivers in the converted guest if possible.
(Note this tool is included with libguestfs)
</dd>
<dd>
For RHEL customers of Red Hat, conversion of Windows guests is also
possible. This conversion requires some Microsoft signed pieces,
that Red Hat can provide.
</dd>
<dt><a href="https://launchpad.net/virt-goodies">vmware2libvirt</a></dt>
<dd>
Part of the <i>virt-goodies</i> package, vmware2libvirt is a python
script for migrating a vmware image to libvirt.
</dd>
</dl>
<h2><a name="desktop">Desktop applications</a></h2>
<dl>
<dt><a href="http://virt-manager.org/">virt-manager</a></dt>
<dd>
A general purpose desktop management tool, able to manage
virtual machines across both local and remotely accessed
hypervisors. It is targeted at home and small office usage
up to managing 10-20 hosts and their VMs.
</dd>
<dt><a href="http://virt-manager.org/">virt-viewer</a></dt>
<dd>
A lightweight tool for accessing the graphical console
associated with a virtual machine. It can securely connect
to remote consoles supporting the VNC protocol. Also provides
an optional mozilla browser plugin.
</dd>
</dl>
<h2><a name="iaas">Infrastructure as a Service (IaaS)</a></h2>
<dl>
<dt><a href="http://cc1.ifj.edu.pl">Cracow Cloud One</a></dt>
<dd>The CC1 system provides a complete solution for Private
Cloud Computing. An intuitive web access interface with an
administration module and simple installation procedure make
it easy to benefit from private Cloud Computing technology.
</dd>
<dt><a href="http://www.emotivecloud.net">EMOTIVE Cloud</a></dt>
<dd>The EMOTIVE (Elastic Management Of Tasks In Virtualized
Environments) middleware allows executing tasks and providing
virtualized environments to the users with Xen, KVM or
VirtualBox hypervisor. EMOTIVE's main feature is VM management
with different scheduling policies. It can be also used as a
cloud provider and is very easy to extend thanks to its
modular Web Services architecture.
</dd>
<dt><a href="http://www.eucalyptus.com">Eucalyptus</a></dt>
<dd>
Eucalyptus is an on-premise Infrastructure as a Service cloud
software platform that is open source and
AWS-compatible. Eucalyptus uses libivrt virtualization API to
directly interact with Xen and KVM hypervisors.
</dd>
<dt><a href="http://www.nimbusproject.org">Nimbus</a></dt>
<dd>
Nimbus is an open-source toolkit focused on providing
Infrastructure-as-a-Service (IaaS) capabilities to the scientific
community. It uses libvirt for communication with all KVM and Xen
virtual machines.
</dd>
<dt><a href="http://snooze.inria.fr">Snooze</a></dt>
<dd>
Snooze is an open-source scalable, autonomic, and energy-efficient
virtual machine (VM) management framework for private clouds. It
integrates libvirt for VM monitoring, live migration, and life-cycle
management.
</dd>
<dt><a href="http://www.openstack.org">OpenStack</a></dt>
<dd>
OpenStack is a "cloud operating system" usable for both public
and private clouds. Its various parts take care of compute,
storage and networking resources and interface with the user
using a dashboard. Compute part uses libvirt to manage VM
life-cycle, monitoring and so on.
</dd>
<dt><a href="https://github.com/gustavfranssonnyvell/cherrypop">Cherrypop</a></dt>
<dd>
A cloud software with no masters or central points. Nodes
autodetect other nodes and autodistribute virtual
machines and autodivide up the workload. Also there is no
minimum limit for hosts, well, one might be nice. It's
perfect for setting up low-end servers in a cloud or a
cloud where you want the most bang for the bucks.
</dd>
</dl>
<h2><a name="libraries">Libraries</a></h2>
<dl>
<dt><a href="http://libguestfs.org">libguestfs</a></dt>
<dd>
A library and set of tools for accessing and modifying virtual
machine disk images. It can be linked with C and C++ management
programs, and has bindings for Perl, Python, Ruby, Java, OCaml,
PHP, Haskell, and C#.
</dd>
<dd>
Using its FUSE module, you can also mount guest filesystems on the
host, and there is a subproject to allow merging changes into the
Windows Registry in Windows guests.
</dd>
<dt><a href="http://sandbox.libvirt.org">libvirt-sandbox</a></dt>
<dd>
A library and command line tools for simplifying the creation of
application sandboxes using virtualization technology. It currently
supports either KVM, QEMU or LXC as backends. Integration with
systemd facilitates sandboxing of system services like apache.
</dd>
<dt><a href="https://github.com/ohadlevy/virt#readme">Ruby
Libvirt Object bindings</a></dt>
<dd>
Allows using simple ruby objects to manipulate
hypervisors, guests, storage, network etc. It is
based on top of
the <a href="http://libvirt.org/ruby">native ruby bindings</a>.
</dd>
</dl>
<h2><a name="livecd">LiveCD / Appliances</a></h2>
<dl>
<dt><a href="http://et.redhat.com/~rjones/virt-p2v/">virt-p2v</a></dt>
<dd>
An older tool for converting a physical machine into a virtual
machine. It is a LiveCD which is booted on the machine to be
converted. It collects a little information from the user, then
copies the disks over to a remote machine and defines the XML for a
domain to run the guest.
</dd>
</dl>
<h2><a name="monitoring">Monitoring</a></h2>
<dl>
<dt><a href="http://collectd.org/plugins/libvirt.shtml">collectd</a></dt>
<dd>
The libvirt-plugin is part of <a href="http://collectd.org/">collectd</a>
and gathers statistics about virtualized guests on a system. This
way, you can collect CPU, network interface and block device usage
for each guest without installing collectd on the guest systems.
For a full description, please refer to the libvirt section in the
collectd.conf(5) manual page.
</dd>
<dt><a href="http://host-sflow.sourceforge.net/">Host sFlow</a></dt>
<dd>
Host sFlow is a lightweight agent running on KVM hypervisors that
links to libvirt library and exports standardized cpu, memory, network
and disk metrics for all virtual machines.
</dd>
<dt><a href="http://honk.sigxcpu.org/projects/libvirt/#munin">Munin</a></dt>
<dd>
The plugins provided by Guido G&uuml;nther allow to monitor various things
like network and block I/O with
<a href="http://munin.projects.linpro.no/">Munin</a>.
</dd>
<dt><a href="http://et.redhat.com/~rjones/nagios-virt/">Nagios-virt</a></dt>
<dd>
Nagios-virt is a configuration tool to add monitoring of your
virtualised domains to <a href="http://www.nagios.org/">Nagios</a>.
You can use this tool to either set up a new Nagios installation for
your Xen or QEMU/KVM guests, or to integrate with your existing Nagios
installation.
</dd>
<dt><a href="http://community.zenoss.org/docs/DOC-4687">Zenoss</a></dt>
<dd>
The Zenoss libvirt Zenpack adds support for monitoring virtualization
servers. It has been tested with KVM, QEMU, VMware ESX, and VMware
GSX.
</dd>
</dl>
<h2><a name="provisioning">Provisioning</a></h2>
<dl>
<dt><a href="http://www.ibm.com/software/tivoli/products/prov-mgr/">Tivoli Provisioning Manager</a></dt>
<dd>
Part of the IBM Tivoli family, Tivoli Provisioning Manager (TPM) is
an IT lifecycle automation product. It
<a href="http://publib.boulder.ibm.com/infocenter/tivihelp/v38r1/index.jsp?topic=/com.ibm.tivoli.tpm.apk.doc/libvirt_package.html">uses libvirt</a>
for communication with virtualization hosts and guest domains.
</dd>
</dl>
<dl>
<dt><a href="http://theforeman.org">Foreman</a></dt>
<dd>
Foreman is an open source web based application aimed to be a
Single Address For All Machines Life Cycle Management. Foreman:
<ul>
<li>Creates everything you need when adding a new machine to
your network, its goal being automatically managing
everything you would normally manage manually (DNS, DHCP,
TFTP, Virtual Machines,CA, CMDB...)</li>
<li>Integrates with Puppet (and acts as web front end to it).</li>
<li>Takes care of provisioning until the point puppet is
running, allowing Puppet to do what it does best.</li>
<li>Shows you Systems Inventory (based on Facter) and
provides real time information about hosts status based on
Puppet reports.</li>
</ul>
</dd>
</dl>
<h2><a name="web">Web applications</a></h2>
<dl>
<dt><a href="http://community.abiquo.com/display/AbiCloud">AbiCloud</a></dt>
<dd>
AbiCloud is an open source cloud platform manager which allows to
easily deploy a private cloud in your datacenter. One of the key
differences of AbiCloud is the web rich interface for managing the
infrastructure. You can deploy a new service just dragging and
dropping a VM.
</dd>
<dt><a href="http://ovirt.org/">oVirt</a></dt>
<dd>
oVirt provides the ability to manage large numbers of virtual
machines across an entire data center of hosts. It integrates
with FreeIPA for Kerberos authentication, and in the future,
certificate management.
</dd>
<dt><a href="http://ispsystem.com/en/software/vmmanager">VMmanager</a></dt>
<dd>
VMmanager is a software solution for virtualization management
that can be used both for hosting virtual machines and
building a cloud. VMmanager can manage not only one server,
but a large cluster of hypervisors. It delivers a number of
functions, such as live migration that allows for load
balancing between cluster nodes, monitoring CPU, memory.
</dd>
<dt><a href="http://mist.io/">mist.io</a></dt>
<dd>
Mist.io is an open source project and a service that can assist you in
managing your virtual machines on a unified way, providing a simple
interface for all of your infrastructure (multiple public cloud
providers, OpenStack based public/private clouds, Docker servers, bare
metal servers and now KVM hypervisors).
</dd>
</dl>
<h2><a name="mobile">Mobile applications</a></h2>
<dl>
<dt><a href="https://market.android.com/details?id=vm.manager">VM Manager</a></dt>
<dd>
VM Manager is VM (libvirt) manager (over SSH) application. VM Manager
is an application for libvirt VM / Domain management over SSH.
Please keep in mind that this software is under heavy development.
</dd>
</dl>
<h2><a name="other">Other</a></h2>
<dl>
<dt><a href="http://cuckoosandbox.org/">Cuckoo Sandbox</a></dt>
<dd>
Cuckoo Sandbox is a malware analysis system. You can throw
any suspicious file at it and in a matter of seconds Cuckoo
will provide you back some detailed results outlining what
such file did when executed inside an isolated environment.
And libvirt is one of the backends that can be used for the
isolated environment.
</dd>
</dl>
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<body>
<h1>Domain management architecture</h1>
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#FIG 3.2
Landscape
Center
Inches
Letter
100.00
Single
-2
1200 2
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
1050 7500 9375 7500 9375 8700 1050 8700 1050 7500
2 4 0 1 0 7 50 -1 -1 0.000 0 0 7 0 0 5
3525 7275 3525 4125 1050 4125 1050 7275 3525 7275
2 1 1 2 0 7 50 -1 -1 6.000 0 0 -1 0 0 2
1050 6540 3540 6525
2 4 0 1 0 7 50 -1 -1 4.000 0 0 7 0 0 5
1590 6900 1590 6645 1140 6645 1140 6900 1590 6900
2 4 0 1 0 7 50 -1 -1 4.000 0 0 7 0 0 5
1590 7185 1590 6930 1140 6930 1140 7185 1590 7185
2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 1 2
1 1 2.00 120.00 240.00
1 1 2.00 120.00 240.00
1875 7725 8625 7725
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
1650 5625 3000 5625 3000 6375 1650 6375 1650 5625
2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
2850 7725 2850 6375
2 4 0 1 0 7 50 -1 -1 0.000 0 0 7 0 0 5
6450 7275 6450 4125 3975 4125 3975 7275 6450 7275
2 4 0 1 0 7 50 -1 -1 0.000 0 0 7 0 0 5
9300 7275 9300 4125 6825 4125 6825 7275 9300 7275
2 1 1 2 0 7 50 -1 -1 6.000 0 0 -1 0 0 2
3975 6540 6465 6525
2 1 1 2 0 7 50 -1 -1 6.000 0 0 -1 0 0 2
6825 6540 9315 6525
2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
5400 7725 5400 7050
2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
8025 7725 8025 7050
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
1050 8925 9375 8925 9375 9900 1050 9900 1050 8925
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
2100 4575 3450 4575 3450 5325 2100 5325 2100 4575
2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
3225 5325 3225 8325
2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
6225 6900 6225 8250
2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
8925 6900 8925 8250
2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
1725 7125 1725 8325
2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 1 2
1 1 2.00 120.00 240.00
1 1 2.00 120.00 240.00
2850 5850 2850 5025
2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
5175 8475 5175 9375
2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
1350 7125 1350 9450
2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
1 1 2.00 120.00 240.00
2325 7725 2325 7200
2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 1
900 3975
2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 1
9525 9975
4 0 0 50 -1 0 18 0.0000 4 195 870 4350 7980 XenBus\001
4 0 0 50 -1 0 18 0.0000 4 195 780 1680 6870 drivers\001
4 0 0 50 -1 0 18 0.0000 4 195 1050 1800 6075 XenStore\001
4 0 0 50 -1 0 18 0.0000 4 195 900 1875 7125 Kernel0\001
4 0 0 50 -1 0 18 0.0000 4 195 960 4875 6975 KernelU\001
4 0 0 50 -1 0 18 0.0000 4 195 960 7650 6975 KernelU\001
4 0 0 50 -1 0 18 0.0000 4 255 1740 4050 8400 Xen Hypervisor\001
4 0 0 50 -1 0 18 0.0000 4 195 585 2325 4950 Xend\001
4 0 0 50 -1 0 18 0.0000 4 195 690 1200 4725 Dom0\001
4 0 0 50 -1 0 18 0.0000 4 195 750 4875 5325 DomU\001
4 0 0 50 -1 0 18 0.0000 4 195 750 7650 5325 DomU\001
4 0 0 50 -1 0 18 0.0000 4 195 1080 3750 9450 Hardware\001

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<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1 >libvirt architecture</h1>
<p>
Currently libvirt supports 2 kind of virtualization, and its
internal structure is based on a driver model which simplifies
adding new
engines:
</p>
<ul id="toc"></ul>
<h2><a name="Xen">Xen support</a></h2>
<p>When running in a Xen environment, programs using libvirt have to execute
in "Domain 0", which is the primary Linux OS loaded on the machine. That OS
kernel provides most if not all of the actual drivers used by the set of
domains. It also runs the Xen Store, a database of information shared by the
hypervisor, the kernels, the drivers and the xen daemon. Xend. The xen daemon
supervise the control and execution of the sets of domains. The hypervisor,
drivers, kernels and daemons communicate though a shared system bus
implemented in the hypervisor. The figure below tries to provide a view of
this environment:</p>
<img src="architecture.gif" alt="The Xen architecture" />
<p>The library can be initialized in 2 ways depending on the level of
privilege of the embedding program. If it runs with root access,
virConnectOpen() can be used, it will use three different ways to connect to
the Xen infrastructure:</p>
<ul>
<li>a connection to the Xen Daemon though an HTTP RPC layer</li>
<li>a read/write connection to the Xen Store</li>
<li>use Xen Hypervisor calls</li>
<li>when used as non-root libvirt connect to a proxy daemon running
as root and providing read-only support</li>
</ul>
<p>The library will usually interact with the Xen daemon for any operation
changing the state of the system, but for performance and accuracy reasons
may talk directly to the hypervisor when gathering state information at
least when possible (i.e. when the running program using libvirt has root
privilege access).</p>
<p>If it runs without root access virConnectOpenReadOnly() should be used to
connect to initialize the library. It will then fork a libvirt_proxy
program running as root and providing read_only access to the API, this is
then only useful for reporting and monitoring.</p>
<h2><a name="QEmu">QEmu and KVM support</a></h2>
<p>The model for QEmu and KVM is completely similar, basically KVM is based
on QEmu for the process controlling a new domain, only small details differs
between the two. In both case the libvirt API is provided by a controlling
process forked by libvirt in the background and which launch and control the
QEmu or KVM process. That program called libvirt_qemud talks though a specific
protocol to the library, and connects to the console of the QEmu process in
order to control and report on its status. Libvirt tries to expose all the
emulations models of QEmu, the selection is done when creating the new
domain, by specifying the architecture and machine type targeted.</p>
<p>The code controlling the QEmu process is available in the
<code>qemud/</code> directory.</p>
<h2><a name="drivers">Driver based architecture</a></h2>
<p>As the previous section explains, libvirt can communicate using different
channels with the current hypervisor, and should also be able to use
different kind of hypervisor. To simplify the internal design, code, ease
maintenance and simplify the support of other virtualization engine the
internals have been structured as one core component, the libvirt.c module
acting as a front-end for the library API and a set of hypervisor drivers
defining a common set of routines. That way the Xen Daemon access, the Xen
Store one, the Hypervisor hypercall are all isolated in separate C modules
implementing at least a subset of the common operations defined by the
drivers present in driver.h:</p>
<ul>
<li>xend_internal: implements the driver functions though the Xen
Daemon</li>
<li>xs_internal: implements the subset of the driver available though the
Xen Store</li>
<li>xen_internal: provide the implementation of the functions possible via
direct hypervisor access</li>
<li>proxy_internal: provide read-only Xen access via a proxy, the proxy code
is in the <code>proxy/</code> directory.</li>
<li>xm_internal: provide support for Xen defined but not running
domains.</li>
<li>qemu_internal: implement the driver functions for QEmu and
KVM virtualization engines. It also uses a qemud/ specific daemon
which interacts with the QEmu process to implement libvirt API.</li>
<li>test: this is a test driver useful for regression tests of the
front-end part of libvirt.</li>
</ul>
<p>Note that a given driver may only implement a subset of those functions,
(for example saving a Xen domain state to disk and restoring it is only
possible though the Xen Daemon), in that case the driver entry points for
unsupported functions are initialized to NULL.</p>
<p></p>
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<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Network management architecture</h1>
<ul id="toc"></ul>
<h2><a name="architecture">Architecture illustration</a></h2>
<p>
The diagrams below illustrate some of the network configurations
enabled by the libvirt networking APIs
</p>
<ul>
<li><strong>VLAN 1</strong>. This virtual network has connectivity
to <code>LAN 2</code> with traffic forwarded and NATed.
</li>
<li><strong>VLAN 2</strong>. This virtual network is completely
isolated from any physical LAN.
</li>
<li><strong>Guest A</strong>. The first network interface is bridged
to the physical <code>LAN 1</code>. The second interface is connected
to a virtual network <code>VLAN 1</code>.
</li>
<li><strong>Guest B</strong>. The first network interface is connected
to a virtual network <code>VLAN 1</code>, giving it limited NAT
based connectivity to LAN2. It has a second network interface
connected to <code>VLAN 2</code>. It acts a router allowing limited
traffic between the two VLANs, thus giving <code>Guest C</code>
connectivity to the physical <code>LAN 2</code>.
</li>
<li><strong>Guest C</strong>. The only network interface is connected
to a virtual network <code>VLAN 2</code>. It has no direct connectivity
to a physical LAN, relying on <code>Guest B</code> to route traffic
on its behalf.
</li>
</ul>
<h3><a name="logical">Logical diagram</a></h3>
<p class="image">
<img src="libvirt-net-logical.png" alt="Logical network architecture"/>
</p>
<h3><a name="physical">Physical diagram</a></h3>
<p class="image">
<img src="libvirt-net-physical.png" alt="Physical network architecture"/>
</p>
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<h1>Node device management architecture</h1>
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<body>
<h1>Storage management architecture</h1>
<p>
The storage management APIs are based around 2 core concepts
</p>
<ol>
<li>
<strong>Volume</strong> - a single storage volume which can
be assigned to a guest, or used for creating further pools. A
volume is either a block device, a raw file, or a special format
file.
</li>
<li>
<strong>Pool</strong> - provides a means for taking a chunk
of storage and carving it up into volumes. A pool can be used to
manage things such as a physical disk, a NFS server, a iSCSI target,
a host adapter, an LVM group.
</li>
</ol>
<p>
These two concepts are mapped through to two libvirt objects, a
<code>virStorageVolPtr</code> and a <code>virStoragePoolPtr</code>,
each with a collection of APIs for their management.
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<body>
<h1>Audit log</h1>
<ul id="toc"></ul>
<h2><a name="intro">Introduction</a></h2>
<p>
A number of the libvirt virtualization drivers (QEMU/KVM and LXC) include
support for logging details of important operations to the host's audit
subsystem. This provides administrators / auditors with a canonical historical
record of changes to virtual machines' / containers' lifecycle states and
their configuration. On hosts which are running the Linux audit daemon,
the logs will usually end up in <code>/var/log/audit/audit.log</code>
</p>
<h2><a name="config">Configuration</a></h2>
<p>
The libvirt audit integration is enabled by default on any host which has
the Linux audit subsystem active, and disabled otherwise. It is possible
to alter this behaviour in the <code>/etc/libvirt/libvirtd.conf</code>
configuration file, via the <code>audit_level</code> parameter
</p>
<ul>
<li><code>audit_level=0</code> - libvirt auditing is disabled regardless
of host audit subsystem enablement.</li>
<li><code>audit_level=1</code> - libvirt auditing is enabled if the host
audit subsystem is enabled, otherwise it is disabled. This is the
default behaviour.</li>
<li><code>audit_level=2</code> - libvirt auditing is enabled regardless
of host audit subsystem enablement. If the host audit subsystem is
disabled, then libvirtd will refuse to complete startup and exit with
an error.</li>
</ul>
<p>
In addition to have formal messages sent to the audit subsystem it is
possible to tell libvirt to inject messages into its own logging
layer. This will result in messages ending up in the systemd journal
or <code>/var/log/libvirt/libivrtd.log</code> on non-systemd hosts.
This is disabled by default, but can be requested by setting the
<code>audit_logging=1</code> configuration parameter in the same file
mentioned above.
</p>
<h2><a name="types">Message types</a></h2>
<p>
Libvirt defines three core audit message types each of which will
be described below. There are a number of common fields that will
be reported for all message types.
</p>
<dl>
<dt>pid</dt>
<dd>Process ID of the libvirtd daemon generating the audit record.</dd>
<dt>uid</dt>
<dd>User ID of the libvirtd daemon process generating the audit record.</dd>
<dt>subj</dt>
<dd>Security context of the libvirtd daemon process generating the audit record.</dd>
<dt>msg</dt>
<dd>String containing a list of key=value pairs specific to the type of audit record being reported.</dd>
</dl>
<p>
Some fields in the <code>msg</code> string are common to audit records
</p>
<dl>
<dt>virt</dt>
<dd>Type of virtualization driver used. One of <code>qemu</code> or <code>lxc</code></dd>
<dt>vm</dt>
<dd>Host driver unique name of the guest</dd>
<dt>uuid</dt>
<dd>Globally unique identifier for the guest</dd>
<dt>exe</dt>
<dd>Path of the libvirtd daemon</dd>
<dt>hostname</dt>
<dd>Currently unused</dd>
<dt>addr</dt>
<dd>Currently unused</dd>
<dt>terminal</dt>
<dd>Currently unused</dd>
<dt>res</dt>
<dd>Result of the action, either <code>success</code> or <code>failed</code></dd>
</dl>
<h3><a name="typecontrol">VIRT_CONTROL</a></h3>
<p>
Reports change in the lifecycle state of a virtual machine. The <code>msg</code>
field will include the following sub-fields
</p>
<dl>
<dt>op</dt>
<dd>Type of operation performed. One of <code>start</code>, <code>stop</code> or <code>init</code></dd>
<dt>reason</dt>
<dd>The reason which caused the operation to happen</dd>
<dt>vm-pid</dt>
<dd>ID of the primary/leading process associated with the guest</dd>
<dt>init-pid</dt>
<dd>ID of the <code>init</code> process in a container. Only if <code>op=init</code> and <code>virt=lxc</code></dd>
<dt>pid-ns</dt>
<dd>Namespace ID of the <code>init</code> process in a container. Only if <code>op=init</code> and <code>virt=lxc</code></dd>
</dl>
<h3><a name="typemachine">VIRT_MACHINE_ID</a></h3>
<p>
Reports the association of a security context with a guest. The <code>msg</code>
field will include the following sub-fields
</p>
<dl>
<dt>model</dt>
<dd>The security driver type. One of <code>selinux</code> or <code>apparmor</code></dd>
<dt>vm-ctx</dt>
<dd>Security context for the guest process</dd>
<dt>img-ctx</dt>
<dd>Security context for the guest disk images and other assigned host resources</dd>
</dl>
<h3><a name="typeresource">VIRT_RESOURCE</a></h3>
<p>
Reports the usage of a host resource by a guest. The fields include will
vary according to the type of device being reported. When the guest is
initially booted records will be generated for all assigned resources.
If any changes are made to the running guest configuration, for example
hotplug devices, or adjust resources allocation, further records will
be generated.
</p>
<h4><a name="typeresourcevcpu">Virtual CPU</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>vcpu</code></dd>
<dt>old-vcpu</dt>
<dd>Original vCPU count, or 0</dd>
<dt>new-vcpu</dt>
<dd>Updated vCPU count</dd>
</dl>
<h4><a name="typeresourcemem">Memory</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>mem</code></dd>
<dt>old-mem</dt>
<dd>Original memory size in bytes, or 0</dd>
<dt>new-mem</dt>
<dd>Updated memory size in bytes</dd>
</dl>
<h4><a name="typeresourcedisk">Disk</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>disk</code></dd>
<dt>old-disk</dt>
<dd>Original host file or device path acting as the disk backing file</dd>
<dt>new-disk</dt>
<dd>Updated host file or device path acting as the disk backing file</dd>
</dl>
<h4><a name="typeresourcenic">Network interface</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>net</code></dd>
<dt>old-net</dt>
<dd>Original MAC address of the guest network interface</dd>
<dt>new-net</dt>
<dd>Updated MAC address of the guest network interface</dd>
</dl>
<p>
If there is a host network interface associated with the guest NIC then
further records may be generated
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>net</code></dd>
<dt>net</dt>
<dd>MAC address of the host network interface</dd>
<dt>rdev</dt>
<dd>Name of the host network interface</dd>
</dl>
<h4><a name="typeresourcefs">Filesystem</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>fs</code></dd>
<dt>old-fs</dt>
<dd>Original host directory, file or device path backing the filesystem </dd>
<dt>new-fs</dt>
<dd>Updated host directory, file or device path backing the filesystem</dd>
</dl>
<h4><a name="typeresourcehost">Host device</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>hostdev</code> or <code>dev</code></dd>
<dt>dev</dt>
<dd>The unique bus identifier of the USB, PCI or SCSI device, if <code>resrc=dev</code></dd>
<dt>disk</dt>
<dd>The path of the block device assigned to the guest, if <code>resrc=hostdev</code></dd>
<dt>chardev</dt>
<dd>The path of the character device assigned to the guest, if <code>resrc=hostdev</code></dd>
</dl>
<h4><a name="typeresourcetpm">TPM</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>tpm</code></dd>
<dt>device</dt>
<dd>The path of the host TPM device assigned to the guest</dd>
</dl>
<h4><a name="typeresourcerng">RNG</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>rng</code></dd>
<dt>old-rng</dt>
<dd>Original path of the host entropy source for the RNG</dd>
<dt>new-rng</dt>
<dd>Updated path of the host entropy source for the RNG</dd>
</dl>
<h4><a name="typeresourcechardev">console/serial/parallel/channel</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>chardev</code></dd>
<dt>old-chardev</dt>
<dd>Original path of the backing character device for given emulated device</dd>
<dt>new-chardev</dt>
<dd>Updated path of the backing character device for given emulated device</dd>
</dl>
<h4><a name="typeresourcesmartcard">smartcard</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>smartcard</code></dd>
<dt>old-smartcard</dt>
<dd>Original path of the backing character device, certificate store or
"nss-smartcard-device" for host smartcard passthrough.
</dd>
<dt>new-smartcard</dt>
<dd>Updated path of the backing character device, certificate store or
"nss-smartcard-device" for host smartcard passthrough.
</dd>
</dl>
<h4><a name="typeresourceredir">Redirected device</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>redir</code></dd>
<dt>bus</dt>
<dd>The bus type, only <code>usb</code> allowed</dd>
<dt>device</dt>
<dd>The device type, only <code>USB redir</code> allowed</dd>
</dl>
<h4><a name="typeresourcecgroup">Control group</a></h4>
<p>
The <code>msg</code> field will include the following sub-fields
</p>
<dl>
<dt>reason</dt>
<dd>The reason which caused the resource to be assigned to happen</dd>
<dt>resrc</dt>
<dd>The type of resource assigned. Set to <code>cgroup</code></dd>
<dt>cgroup</dt>
<dd>The name of the cgroup controller</dd>
</dl>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Connection authentication</h1>
<p>
When connecting to libvirt, some connections may require client
authentication before allowing use of the APIs. The set of possible
authentication mechanisms is administrator controlled, independent
of applications using libvirt. Once authenticated, libvirt can apply
fine grained <a href="acl.html">access control</a> to the operations
performed by a client.
</p>
<ul id="toc"></ul>
<h2><a name="Auth_client_config">Client configuration</a></h2>
<p>
When connecting to a remote hypervisor which requires authentication,
most libvirt applications will prompt the user for the credentials. It is
also possible to provide a client configuration file containing all the
authentication credentials, avoiding any interaction. Libvirt will look
for the authentication file using the following sequence:
</p>
<ol>
<li>The file path specified by the $LIBVIRT_AUTH_FILE environment
variable.</li>
<li>The file path specified by the "authfile=/some/file" URI
query parameter</li>
<li>The file $XDG_CONFIG_HOME/libvirt/auth.conf</li>
<li>The file /etc/libvirt/auth.conf</li>
</ol>
<p>
The auth configuration file uses the traditional <code>".ini"</code>
style syntax. There are two types of groups that can be present in
the config. First there are one or more <strong>credential</strong>
sets, which provide the actual authentication credentials. The keys
within the group may be:
</p>
<ul>
<li><code>username</code>: the user login name to act as. This
is relevant for ESX, Xen, HyperV and SSH, but probably not
the one you want to libvirtd with SASL.</li>
<li><code>authname</code>: the name to authorize as. This is
what is commonly required for libvirtd with SASL.</li>
<li><code>password</code>: the secret password</li>
<li><code>realm</code>: the domain realm for SASL, mostly
unused</li>
</ul>
<p>
Each set of credentials has a name, which is part of the group
entry name. Overall the syntax is
</p>
<pre>
[credentials-$NAME]
credname1=value1
credname2=value2</pre>
<p>
For example, to define two sets of credentials used for production
and test machines, using libvirtd, and a further ESX server for dev:
</p>
<pre>
[credentials-test]
authname=fred
password=123456
[credentials-prod]
authname=bar
password=letmein
[credentials-dev]
username=joe
password=hello</pre>
<p>
The second set of groups provide mappings of credentials to
specific machine services. The config file group names compromise
the service type and host:
</p>
<pre>
[auth-$SERVICE-$HOSTNAME]
credentials=$CREDENTIALS</pre>
<p>
For example, following the previous example, here is how to
list some machines
</p>
<pre>
[auth-libvirt-test1.example.com]
credentials=test
[auth-libvirt-test2.example.com]
credentials=test
[auth-libvirt-demo3.example.com]
credentials=test
[auth-libvirt-prod1.example.com]
credentials=prod
[auth-esx-dev1.example.com]
credentials=dev</pre>
<p>
The following service types are known to libvirt
</p>
<ol>
<li><code>libvirt</code> - used for connections to a libvirtd
server, which is configured with SASL auth</li>
<li><code>ssh</code> - used for connections to a Phyp server
over SSH</li>
<li><code>esx</code> - used for connections to an ESX or
VirtualCenter server</li>
<li><code>xen</code> - used for connections to a Xen Enterprise
sever using XenAPI</li>
</ol>
<p>
Applications using libvirt are free to use this same configuration
file for storing other credentials. For example, it can be used
to storage VNC or SPICE login credentials
</p>
<h2><a name="ACL_server_config">Server configuration</a></h2>
<p>
The libvirt daemon allows the administrator to choose the authentication
mechanisms used for client connections on each network socket independently.
This is primarily controlled via the libvirt daemon master config file in
<code>/etc/libvirt/libvirtd.conf</code>. Each of the libvirt sockets can
have its authentication mechanism configured independently. There is
currently a choice of <code>none</code>, <code>polkit</code>, and <code>sasl</code>.
The SASL scheme can be further configured to choose between a large
number of different mechanisms.
</p>
<h2><a name="ACL_server_unix_perms">UNIX socket permissions/group</a></h2>
<p>
If libvirt does not contain support for PolicyKit, then access control for
the UNIX domain socket is done using traditional file user/group ownership
and permissions. There are 2 sockets, one for full read-write access, the
other for read-only access. The RW socket will be restricted (mode 0700) to
only allow the <code>root</code> user to connect. The read-only socket will
be open access (mode 0777) to allow any user to connect.
</p>
<p>
To allow non-root users greater access, the <code>libvirtd.conf</code> file
can be edited to change the permissions via the <code>unix_sock_rw_perms</code>,
config parameter and to set a user group via the <code>unix_sock_group</code>
parameter. For example, setting the former to mode <code>0770</code> and the
latter <code>wheel</code> would let any user in the wheel group connect to
the libvirt daemon.
</p>
<h2><a name="ACL_server_polkit">UNIX socket PolicyKit auth</a></h2>
<p>
If libvirt contains support for PolicyKit, then access control options are
more advanced. The <code>unix_sock_auth</code> parameter will default to
<code>polkit</code>, and the file permissions will default to <code>0777</code>
even on the RW socket. Upon connecting to the socket, the client application
will be required to identify itself with PolicyKit. The default policy for the
RW daemon socket will require any application running in the current desktop
session to authenticate using the user's password. This is akin to <code>sudo</code>
auth, but does not require that the client application ultimately run as root.
Default policy will still allow any application to connect to the RO socket.
</p>
<p>
The default policy can be overridden by creating a new policy file in the
local override directory <code>/etc/polkit-1/localauthority/50-local.d/</code>.
Policy files should have a unique name ending with .pkla. Using reverse DNS
naming works well. Information on the options available can be found by
reading the pklocalauthority man page. The two libvirt daemon actions
available are named <code>org.libvirt.unix.manage</code> for full management
access, and <code>org.libvirt.unix.monitor</code> for read-only access.
</p>
<p>
As an example, this gives the user <code>fred</code> full management access:
</p>
<pre>[Allow fred libvirt management permissions]
Identity=unix-user:fred
Action=org.libvirt.unix.manage
ResultAny=yes
ResultInactive=yes
ResultActive=yes</pre>
<p>
Further examples of PolicyKit setup can be found on the
<a href="http://wiki.libvirt.org/page/SSHPolicyKitSetup">wiki page</a>.
</p>
<h2><a name="ACL_server_username">Username/password auth</a></h2>
<p>
The plain TCP socket of the libvirt daemon defaults to using SASL for authentication.
The SASL mechanism configured by default is DIGEST-MD5, which provides a basic
username+password style authentication. It also provides for encryption of the data
stream, so the security of the plain TCP socket is on a par with that of the TLS
socket. If desired the UNIX socket and TLS socket can also have SASL enabled by
setting the <code>auth_unix_ro</code>, <code>auth_unix_rw</code>, <code>auth_tls</code>
config params in <code>libvirt.conf</code>.
</p>
<p>
Out of the box, no user accounts are defined, so no clients will be able to authenticate
on the TCP socket. Adding users and setting their passwords is done with the <code>saslpasswd2</code>
command. When running this command it is important to tell it that the appname is <code>libvirt</code>.
As an example, to add a user <code>fred</code>, run
</p>
<pre>
# saslpasswd2 -a libvirt fred
Password: xxxxxx
Again (for verification): xxxxxx
</pre>
<p>
To see a list of all accounts the <code>sasldblistusers2</code> command can be used.
This command expects to be given the path to the libvirt user database, which is kept
in <code>/etc/libvirt/passwd.db</code>
</p>
<pre>
# sasldblistusers2 -f /etc/libvirt/passwd.db
fred@t60wlan.home.berrange.com: userPassword
</pre>
<p>
Finally, to disable a user's access, the <code>saslpasswd2</code> command can be used
again:
</p>
<pre>
# saslpasswd2 -a libvirt -d fred
</pre>
<h2><a name="ACL_server_kerberos">Kerberos auth</a></h2>
<p>
The plain TCP socket of the libvirt daemon defaults to using SASL for authentication.
The SASL mechanism configured by default is DIGEST-MD5, which provides a basic
username+password style authentication. To enable Kerberos single-sign-on instead,
the libvirt SASL configuration file must be changed. This is <code>/etc/sasl2/libvirt.conf</code>.
The <code>mech_list</code> parameter must first be changed to <code>gssapi</code>
instead of the default <code>digest-md5</code>, and keytab should be set to
<code>/etc/libvirt/krb5.tab</code> . If SASL is enabled on the UNIX
and/or TLS sockets, Kerberos will also be used for them. Like DIGEST-MD5, the Kerberos
mechanism provides data encryption of the session.
</p>
<p>
Some operating systems do not install the SASL kerberos plugin by default. It
may be necessary to install a sub-package such as <code>cyrus-sasl-gssapi</code>.
To check whether the Kerberos plugin is installed run the <code>pluginviewer</code>
program and verify that <code>gssapi</code> is listed,eg:
</p>
<pre>
# pluginviewer
...snip...
Plugin "gssapiv2" [loaded], API version: 4
SASL mechanism: GSSAPI, best SSF: 56
security flags: NO_ANONYMOUS|NO_PLAINTEXT|NO_ACTIVE|PASS_CREDENTIALS|MUTUAL_AUTH
features: WANT_CLIENT_FIRST|PROXY_AUTHENTICATION|NEED_SERVER_FQDN
</pre>
<p>
Next it is necessary for the administrator of the Kerberos realm to
issue a principal for the libvirt server. There needs to be one
principal per host running the libvirt daemon. The principal should be
named <code>libvirt/full.hostname@KERBEROS.REALM</code>. This is
typically done by running the <code>kadmin.local</code> command on the
Kerberos server, though some Kerberos servers have alternate ways of
setting up service principals. Once created, the principal should be
exported to a keytab, copied to the host running the libvirt daemon
and placed in <code>/etc/libvirt/krb5.tab</code>
</p>
<pre>
# kadmin.local
kadmin.local: add_principal libvirt/foo.example.com
Enter password for principal "libvirt/foo.example.com@EXAMPLE.COM":
Re-enter password for principal "libvirt/foo.example.com@EXAMPLE.COM":
Principal "libvirt/foo.example.com@EXAMPLE.COM" created.
kadmin.local: ktadd -k /root/libvirt-foo-example.tab libvirt/foo.example.com@EXAMPLE.COM
Entry for principal libvirt/foo.example.com@EXAMPLE.COM with kvno 4, encryption type Triple DES cbc mode with HMAC/sha1 added to keytab WRFILE:/root/libvirt-foo-example.tab.
Entry for principal libvirt/foo.example.com@EXAMPLE.COM with kvno 4, encryption type ArcFour with HMAC/md5 added to keytab WRFILE:/root/libvirt-foo-example.tab.
Entry for principal libvirt/foo.example.com@EXAMPLE.COM with kvno 4, encryption type DES with HMAC/sha1 added to keytab WRFILE:/root/libvirt-foo-example.tab.
Entry for principal libvirt/foo.example.com@EXAMPLE.COM with kvno 4, encryption type DES cbc mode with RSA-MD5 added to keytab WRFILE:/root/libvirt-foo-example.tab.
kadmin.local: quit
# scp /root/libvirt-foo-example.tab root@foo.example.com:/etc/libvirt/krb5.tab
# rm /root/libvirt-foo-example.tab
</pre>
<p>
Any client application wishing to connect to a Kerberos enabled libvirt server
merely needs to run <code>kinit</code> to gain a user principal. This may well
be done automatically when a user logs into a desktop session, if PAM is setup
to authenticate against Kerberos.
</p>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1 >Bindings for other languages</h1>
<p>
Libvirt supports C and C++ directly, and has bindings available
for other languages:
</p>
<ul>
<li>
<strong>C#</strong>: Arnaud Champion develops
<a href="csharp.html">C# bindings</a>.
</li>
<li>
<strong>Java</strong>: Daniel Veillard develops
<a href="java.html">Java bindings</a>.
</li>
<li>
<strong>OCaml</strong>: Richard Jones develops
<a href="http://libvirt.org/ocaml/">OCaml bindings</a>.
</li>
<li>
<strong>Perl</strong>: Daniel Berrange develops
<a href="http://search.cpan.org/dist/Sys-Virt/">Perl bindings</a>.
</li>
<li>
<p>
<strong>PHP</strong>: Radek Hladik started developing
<a href="http://libvirt.org/php">PHP bindings</a> in 2010.
</p>
<p>
In February 2011 the binding development has been moved to the libvirt.org website as
libvirt-php project.
</p>
<p>
The project is now maintained by Michal Novotny and it's heavily based
on Radek's version. For more information, including
information on posting patches to libvirt-php, please refer
to the <a href="http://libvirt.org/php">PHP bindings</a> site.
</p>
</li>
<li>
<p>
<strong>Python</strong>: Libvirt's python bindings are split to a
separate <a href="http://libvirt.org/git/?p=libvirt-python.git">package</a>
since version 1.2.0, older versions came with direct support for the
Python language.
</p>
<p>
If your libvirt is installed as packages, rather than compiled
by you from source code, ensure you have the appropriate
package installed.
</p>
<p>
This is named <b>libvirt-python</b> on RHEL/Fedora,
<a href="http://packages.ubuntu.com/search?keywords=python-libvirt"><b>python-libvirt</b></a>
on Ubuntu, and may be named differently on others.
</p>
<p>
For usage information, see the
<a href="python.html">Python API bindings</a> page.
</p>
</li>
<li>
<strong>Ruby</strong>: Chris Lalancette develops
<a href="http://libvirt.org/ruby/">Ruby bindings</a>.
</li>
</ul>
<p>
For information on using libvirt on <strong>Windows</strong>
<a href="windows.html">please see the Windows support page</a>.
</p>
<p>
Support, requests or help for libvirt bindings are welcome on the
<a href="https://www.redhat.com/mailman/listinfo/libvir-list/">mailing list</a>,
as usual try to provide enough background information and make sure
you use recent version, see the <a href="bugs.html">help page</a>.
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<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Bug reporting</h1>
<ul id="toc"></ul>
<h2><a name="security">Security Issues</a></h2>
<p>
If you think that an issue with libvirt may have security
implications, <strong>please do not</strong> publicly
report it in the bug tracker, mailing lists, or irc. Libvirt
has <a href="securityprocess.html">a dedicated process for handling (potential) security issues</a>
that should be used instead. So if your issue has security
implications, ignore the rest of this page and follow the
<a href="securityprocess.html">security process</a> instead.
</p>
<h2><a name="bugzilla">Bug Tracking</a></h2>
<p>
If you are using libvirt binaries from a Linux distribution
check below for distribution specific bug reporting policies
first.
</p>
<h2><a name="general">General libvirt bug reports</a></h2>
<p>
The <a href="http://bugzilla.redhat.com">Red Hat Bugzilla Server</a>
should be used to report bugs and request features in libvirt.
Before submitting a ticket, check the existing tickets to see if
the bug/feature is already tracked.
For general libvirt bug reports, from self-built releases, GIT snapshots
and any other non-distribution supported builds, enter tickets under
the <code>Virtualization Tools</code> product and the <code>libvirt</code>
component.
</p>
<p>
It's always a good idea to file bug reports, as the process of
filing the report always makes it easier to describe the
problem, and the bug number provides a quick way of referring to
the problem. However, not everybody in the community pays
attention to bugzilla, so after you file a bug, asking questions
and submitting patches on <a href="contact.html">the libvirt
mailing lists</a> will increase your bug's visibility and
encourage people to think about your problem. Don't hesitate to
ask questions on the list, as others may know of existing
solutions or be interested in collaborating with you on finding
a solution. Patches are always appreciated, and it's likely
that someone else has the same problem you do!
</p>
<p>
If you decide to write code, though, before you begin please
read the <a href="hacking.html">contributor guidelines</a>,
especially the first point: "Discuss any large changes on the
mailing list first. Post patches early and listen to feedback."
Few development experiences are more discouraging than spending
a bunch of time writing a patch only to have someone point out a
better approach on list.
</p>
<ul>
<li><a href="http://bugzilla.redhat.com/buglist.cgi?component=libvirt&amp;product=Virtualization%20Tools">View libvirt tickets</a></li>
<li><a href="http://bugzilla.redhat.com/bugzilla/enter_bug.cgi?product=Virtualization%20Tools&amp;component=libvirt">New libvirt ticket</a></li>
</ul>
<h2><a name="distribution">Linux Distribution specific bug reports</a></h2>
<ul>
<li>
If you are using binaries from <strong>Fedora</strong>, enter
tickets against the <code>Fedora</code> product and
the <code>libvirt</code> component.
<ul>
<li><a href="http://bugzilla.redhat.com/buglist.cgi?component=libvirt&amp;product=Fedora">View Fedora libvirt tickets</a></li>
<li><a href="http://bugzilla.redhat.com/bugzilla/enter_bug.cgi?product=Fedora&amp;component=libvirt">New Fedora libvirt ticket</a></li>
</ul>
</li>
<li>
<p>
If you are using binaries from <strong>Red Hat Enterprise
Linux</strong>, enter tickets against the Red Hat Enterprise
Linux product that you're using (e.g., Red Hat Enterprise
Linux 6) and the <code>libvirt</code> component. Red Hat
bugzilla has <a href="http://bugzilla.redhat.com">additional guidance</a> about getting support if
you are a Red Hat customer.
</p>
</li>
<li>
<p>
If you are using binaries from another Linux distribution
first follow their own bug reporting guidelines.
</p>
</li>
<li>
<p>
Finally, if you are a contributor to another Linux
distribution and would like to have your procedure for
filing bugs mentioned here, please mail the libvirt
development list.
</p>
</li>
</ul>
<h2><a name="quality">How to file high quality bug reports</a></h2>
<p>
To increase the likelihood of your bug report being addressed it is
important to provide as much information as possible. When filing
libvirt bugs use this checklist to see if you are providing enough
information:
</p>
<ul>
<li>The version number of the libvirt build, or SHA1 of the GIT
commit</li>
<li>The hardware architecture being used</li>
<li>The name of the hypervisor (Xen, QEMU, KVM)</li>
<li>The XML config of the guest domain if relevant</li>
<li>For Xen hypervisor, the XenD logfile from /var/log/xen</li>
<li>For QEMU/KVM, the domain logfile from /var/log/libvirt/qemu</li>
</ul>
<p>
If the bug leads to a tool linked to libvirt crash, then the best
is to provide a backtrace along with the scenario used to get the
crash, the simplest is to run the program under gdb, reproduce the
steps leading to the crash and then issue a gdb "bt -a" command to
get the stack trace, attach it to the bug. Note that for the
data to be really useful libvirt debug information must be present
for example by installing libvirt debuginfo package on Fedora or
Red Hat Enterprise Linux (with debuginfo-install libvirt) prior
to running gdb.</p>
<p>
It may also happen that the libvirt daemon itself crashes or gets stuck,
in the first case run it (as root) under gdb, and reproduce the sequence
leading to the crash, similarly to a normal program provide the
"bt" backtrace information to where gdb will have stopped.<br/>
But if libvirtd gets stuck, for example seems to stop processing
commands, try to attach to the faulty daemon and issue a gdb command
"thread apply all bt" to show all the threads backtraces, as in:</p>
<pre> # ps -o etime,pid `pgrep libvirt`
... note the process id from the output
# gdb /usr/sbin/libvirtd
.... some information about gdb and loading debug data
(gdb) attach $the_daemon_process_id
....
(gdb) thread apply all bt
.... information to attach to the bug
(gdb)
</pre>
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<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Control Groups Resource Management</h1>
<ul id="toc"></ul>
<p>
The QEMU and LXC drivers make use of the Linux "Control Groups" facility
for applying resource management to their virtual machines and containers.
</p>
<h2><a name="requiredControllers">Required controllers</a></h2>
<p>
The control groups filesystem supports multiple "controllers". By default
the init system (such as systemd) should mount all controllers compiled
into the kernel at <code>/sys/fs/cgroup/$CONTROLLER-NAME</code>. Libvirt
will never attempt to mount any controllers itself, merely detect where
they are mounted.
</p>
<p>
The QEMU driver is capable of using the <code>cpuset</code>,
<code>cpu</code>, <code>memory</code>, <code>blkio</code> and
<code>devices</code> controllers. None of them are compulsory.
If any controller is not mounted, the resource management APIs
which use it will cease to operate. It is possible to explicitly
turn off use of a controller, even when mounted, via the
<code>/etc/libvirt/qemu.conf</code> configuration file.
</p>
<p>
The LXC driver is capable of using the <code>cpuset</code>,
<code>cpu</code>, <code>cpuacct</code>, <code>freezer</code>,
<code>memory</code>, <code>blkio</code> and <code>devices</code>
controllers. The <code>cpuacct</code>, <code>devices</code>
and <code>memory</code> controllers are compulsory. Without
them mounted, no containers can be started. If any of the
other controllers are not mounted, the resource management APIs
which use them will cease to operate.
</p>
<h2><a name="currentLayout">Current cgroups layout</a></h2>
<p>
As of libvirt 1.0.5 or later, the cgroups layout created by libvirt has been
simplified, in order to facilitate the setup of resource control policies by
administrators / management applications. The new layout is based on the concepts
of "partitions" and "consumers". A "consumer" is a cgroup which holds the
processes for a single virtual machine or container. A "partition" is a cgroup
which does not contain any processes, but can have resource controls applied.
A "partition" will have zero or more child directories which may be either
"consumer" or "partition".
</p>
<p>
As of libvirt 1.1.1 or later, the cgroups layout will have some slight
differences when running on a host with systemd 205 or later. The overall
tree structure is the same, but there are some differences in the naming
conventions for the cgroup directories. Thus the following docs split
in two, one describing systemd hosts and the other non-systemd hosts.
</p>
<h3><a name="currentLayoutSystemd">Systemd cgroups integration</a></h3>
<p>
On hosts which use systemd, each consumer maps to a systemd scope unit,
while partitions map to a system slice unit.
</p>
<h4><a name="systemdScope">Systemd scope naming</a></h4>
<p>
The systemd convention is for the scope name of virtual machines / containers
to be of the general format <code>machine-$NAME.scope</code>. Libvirt forms the
<code>$NAME</code> part of this by concatenating the driver type with the name
of the guest, and then escaping any systemd reserved characters.
So for a guest <code>demo</code> running under the <code>lxc</code> driver,
we get a <code>$NAME</code> of <code>lxc-demo</code> which when escaped is
<code>lxc\x2ddemo</code>. So the complete scope name is <code>machine-lxc\x2ddemo.scope</code>.
The scope names map directly to the cgroup directory names.
</p>
<h4><a name="systemdSlice">Systemd slice naming</a></h4>
<p>
The systemd convention for slice naming is that a slice should include the
name of all of its parents prepended on its own name. So for a libvirt
partition <code>/machine/engineering/testing</code>, the slice name will
be <code>machine-engineering-testing.slice</code>. Again the slice names
map directly to the cgroup directory names. Systemd creates three top level
slices by default, <code>system.slice</code> <code>user.slice</code> and
<code>machine.slice</code>. All virtual machines or containers created
by libvirt will be associated with <code>machine.slice</code> by default.
</p>
<h4><a name="systemdLayout">Systemd cgroup layout</a></h4>
<p>
Given this, a possible systemd cgroups layout involving 3 qemu guests,
3 lxc containers and 3 custom child slices, would be:
</p>
<pre>
$ROOT
|
+- system.slice
| |
| +- libvirtd.service
|
+- machine.slice
|
+- machine-qemu\x2dvm1.scope
| |
| +- emulator
| +- vcpu0
| +- vcpu1
|
+- machine-qemu\x2dvm2.scope
| |
| +- emulator
| +- vcpu0
| +- vcpu1
|
+- machine-qemu\x2dvm3.scope
| |
| +- emulator
| +- vcpu0
| +- vcpu1
|
+- machine-engineering.slice
| |
| +- machine-engineering-testing.slice
| | |
| | +- machine-lxc\x2dcontainer1.scope
| |
| +- machine-engineering-production.slice
| |
| +- machine-lxc\x2dcontainer2.scope
|
+- machine-marketing.slice
|
+- machine-lxc\x2dcontainer3.scope
</pre>
<h3><a name="currentLayoutGeneric">Non-systemd cgroups layout</a></h3>
<p>
On hosts which do not use systemd, each consumer has a corresponding cgroup
named <code>$VMNAME.libvirt-{qemu,lxc}</code>. Each consumer is associated
with exactly one partition, which also have a corresponding cgroup usually
named <code>$PARTNAME.partition</code>. The exceptions to this naming rule
are the three top level default partitions, named <code>/system</code> (for
system services), <code>/user</code> (for user login sessions) and
<code>/machine</code> (for virtual machines and containers). By default
every consumer will of course be associated with the <code>/machine</code>
partition.
</p>
<p>
Given this, a possible systemd cgroups layout involving 3 qemu guests,
3 lxc containers and 2 custom child slices, would be:
</p>
<pre>
$ROOT
|
+- system
| |
| +- libvirtd.service
|
+- machine
|
+- vm1.libvirt-qemu
| |
| +- emulator
| +- vcpu0
| +- vcpu1
|
+- vm2.libvirt-qemu
| |
| +- emulator
| +- vcpu0
| +- vcpu1
|
+- vm3.libvirt-qemu
| |
| +- emulator
| +- vcpu0
| +- vcpu1
|
+- engineering.partition
| |
| +- testing.partition
| | |
| | +- container1.libvirt-lxc
| |
| +- production.partition
| |
| +- container2.libvirt-lxc
|
+- marketing.partition
|
+- container3.libvirt-lxc
</pre>
<h2><a name="customPartiton">Using custom partitions</a></h2>
<p>
If there is a need to apply resource constraints to groups of
virtual machines or containers, then the single default
partition <code>/machine</code> may not be sufficiently
flexible. The administrator may wish to sub-divide the
default partition, for example into "testing" and "production"
partitions, and then assign each guest to a specific
sub-partition. This is achieved via a small element addition
to the guest domain XML config, just below the main <code>domain</code>
element
</p>
<pre>
...
&lt;resource&gt;
&lt;partition&gt;/machine/production&lt;/partition&gt;
&lt;/resource&gt;
...
</pre>
<p>
Note that the partition names in the guest XML are using a
generic naming format, not the low level naming convention
required by the underlying host OS. That is, you should not include
any of the <code>.partition</code> or <code>.slice</code>
suffixes in the XML config. Given a partition name
<code>/machine/production</code>, libvirt will automatically
apply the platform specific translation required to get
<code>/machine/production.partition</code> (non-systemd)
or <code>/machine.slice/machine-production.slice</code>
(systemd) as the underlying cgroup name
</p>
<p>
Libvirt will not auto-create the cgroups directory to back
this partition. In the future, libvirt / virsh will provide
APIs / commands to create custom partitions, but currently
this is left as an exercise for the administrator.
</p>
<p>
<strong>Note:</strong> the ability to place guests in custom
partitions is only available with libvirt &gt;= 1.0.5, using
the new cgroup layout. The legacy cgroups layout described
later in this document did not support customization per guest.
</p>
<h3><a name="createSystemd">Creating custom partitions (systemd)</a></h3>
<p>
Given the XML config above, the admin on a systemd based host would
need to create a unit file <code>/etc/systemd/system/machine-production.slice</code>
</p>
<pre>
# cat &gt; /etc/systemd/system/machine-testing.slice &lt;&lt;EOF
[Unit]
Description=VM testing slice
Before=slices.target
Wants=machine.slice
EOF
# systemctl start machine-testing.slice
</pre>
<h3><a name="createNonSystemd">Creating custom partitions (non-systemd)</a></h3>
<p>
Given the XML config above, the admin on a non-systemd based host
would need to create a cgroup named '/machine/production.partition'
</p>
<pre>
# cd /sys/fs/cgroup
# for i in blkio cpu,cpuacct cpuset devices freezer memory net_cls perf_event
do
mkdir $i/machine/production.partition
done
# for i in cpuset.cpus cpuset.mems
do
cat cpuset/machine/$i > cpuset/machine/production.partition/$i
done
</pre>
<h2><a name="resourceAPIs">Resource management APIs/commands</a></h2>
<p>
Since libvirt aims to provide an API which is portable across
hypervisors, the concept of cgroups is not exposed directly
in the API or XML configuration. It is considered to be an
internal implementation detail. Instead libvirt provides a
set of APIs for applying resource controls, which are then
mapped to corresponding cgroup tunables
</p>
<h3>Scheduler tuning</h3>
<p>
Parameters from the "cpu" controller are exposed via the
<code>schedinfo</code> command in virsh.
</p>
<pre>
# virsh schedinfo demo
Scheduler : posix
cpu_shares : 1024
vcpu_period : 100000
vcpu_quota : -1
emulator_period: 100000
emulator_quota : -1</pre>
<h3>Block I/O tuning</h3>
<p>
Parameters from the "blkio" controller are exposed via the
<code>bkliotune</code> command in virsh.
</p>
<pre>
# virsh blkiotune demo
weight : 500
device_weight : </pre>
<h3>Memory tuning</h3>
<p>
Parameters from the "memory" controller are exposed via the
<code>memtune</code> command in virsh.
</p>
<pre>
# virsh memtune demo
hard_limit : 580192
soft_limit : unlimited
swap_hard_limit: unlimited
</pre>
<h3>Network tuning</h3>
<p>
The <code>net_cls</code> is not currently used. Instead traffic
filter policies are set directly against individual virtual
network interfaces.
</p>
<h2><a name="legacyLayout">Legacy cgroups layout</a></h2>
<p>
Prior to libvirt 1.0.5, the cgroups layout created by libvirt was different
from that described above, and did not allow for administrator customization.
Libvirt used a fixed, 3-level hierarchy <code>libvirt/{qemu,lxc}/$VMNAME</code>
which was rooted at the point in the hierarchy where libvirtd itself was
located. So if libvirtd was placed at <code>/system/libvirtd.service</code>
by systemd, the groups for each virtual machine / container would be located
at <code>/system/libvirtd.service/libvirt/{qemu,lxc}/$VMNAME</code>. In addition
to this, the QEMU drivers further child groups for each vCPU thread and the
emulator thread(s). This leads to a hierarchy that looked like
</p>
<pre>
$ROOT
|
+- system
|
+- libvirtd.service
|
+- libvirt
|
+- qemu
| |
| +- vm1
| | |
| | +- emulator
| | +- vcpu0
| | +- vcpu1
| |
| +- vm2
| | |
| | +- emulator
| | +- vcpu0
| | +- vcpu1
| |
| +- vm3
| |
| +- emulator
| +- vcpu0
| +- vcpu1
|
+- lxc
|
+- container1
|
+- container2
|
+- container3
</pre>
<p>
Although current releases are much improved, historically the use of deep
hierarchies has had a significant negative impact on the kernel scalability.
The legacy libvirt cgroups layout highlighted these problems, to the detriment
of the performance of virtual machines and containers.
</p>
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<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1><a name="installation">libvirt Installation</a></h1>
<ul id="toc"></ul>
<h2><a name="compiling">Compiling a release tarball</a></h2>
<p>
libvirt uses the standard configure/make/install steps:
</p>
<pre>
$ gunzip -c libvirt-x.x.x.tar.gz | tar xvf -
$ cd libvirt-x.x.x
$ ./configure</pre>
<p>
The <i>configure</i> script can be given options to change its default
behaviour.
</p>
<p>
To get the complete list of the options it can take, pass it the
<i>--help</i> option like this:
</p>
<pre>
$ ./configure <i>--help</i></pre>
<p>
When you have determined which options you want to use (if any),
continue the process.
</p>
<p>
Note the use of <b>sudo</b> with the <i>make install</i> command
below. Using sudo is only required when installing to a location your
user does not have write access to. Installing to a system location
is a good example of this.
</p>
<p>
If you are installing to a location that your user <i>does</i> have write
access to, then you can instead run the <i>make install</i> command
without putting <b>sudo</b> before it.
</p>
<pre>
$ ./configure <i>[possible options]</i>
$ make
$ <b>sudo</b> <i>make install</i></pre>
<p>
At this point you <b>may</b> have to run ldconfig or a similar utility
to update your list of installed shared libs.
</p>
<h2><a name="building">Building from a GIT checkout</a></h2>
<p>
The libvirt build process uses GNU autotools, so after obtaining a
checkout it is necessary to generate the configure script and Makefile.in
templates using the <code>autogen.sh</code> command. By default when
the <code>configure</code> script is run from within a GIT checkout, it
will turn on -Werror for builds. This can be disabled with
--disable-werror, but this is not recommended.
</p>
<p>
Libvirt takes advantage of
the <a href="http://www.gnu.org/software/gnulib/">gnulib</a>
project to provide portability to a number of platforms. This
is normally done dynamically via a git submodule in
the <code>.gnulib</code> subdirectory, which is auto-updated as
needed when you do incremental builds. Setting the environment
variable <code>GNULIB_SRCDIR</code> to a local directory
containing a git checkout of gnulib will let you reduce local
disk space requirements and network download time, regardless of
which actual commit you have in that reference directory.
</p>
<p>
However, if you are developing on a platform where git is not
available, or are behind a firewall that does not allow for git
to easily obtain the gnulib submodule, it is possible to instead
use a static mode of operation where you are then responsible
for updating the git submodule yourself. In this mode, you must
track the exact gnulib commit needed by libvirt (usually not the
latest gnulib.git) via alternative means, such as a shared NFS
drive or manual download, and run this any time libvirt.git
updates the commit stored in the .gnulib submodule:</p>
<pre>
$ GNULIB_SRCDIR=/path/to/gnulib ./autogen.sh --no-git
</pre>
<p>To build &amp; install libvirt to your home
directory the following commands can be run:
</p>
<pre>
$ ./autogen.sh --prefix=$HOME/usr
$ make
$ <b>sudo</b> make install</pre>
<p>
Be aware though, that binaries built with a custom prefix will not
interoperate with OS vendor provided binaries, since the UNIX socket
paths will all be different. To produce a build that is compatible
with normal OS vendor prefixes, use
</p>
<pre>
$ ./autogen.sh --system
$ make
</pre>
<p>
When doing this for day-to-day development purposes, it is recommended
not to install over the OS vendor provided binaries. Instead simply
run libvirt directly from the source tree. For example to run
a privileged libvirtd instance
</p>
<pre>
$ su -
# service libvirtd stop (or systemctl stop libvirtd.service)
# /home/to/your/checkout/daemon/libvirtd
</pre>
<p>
It is also possible to run virsh directly from the source tree
using the ./run script (which sets some environment variables):
</p>
<pre>
$ ./run ./tools/virsh ....
</pre>
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<body>
<h1>Contacting the development team</h1>
<ul id="toc"></ul>
<h2><a name="security">Security Issues</a></h2>
<p>
If you think that an issue with libvirt may have security
implications, <strong>please do not</strong> publicly
report it in the bug tracker, mailing lists, or irc. Libvirt
has <a href="securityprocess.html">a dedicated process for handling (potential) security issues</a>
that should be used instead. So if your issue has security
implications, ignore the rest of this page and follow the
<a href="securityprocess.html">security process</a> instead.
</p>
<h2><a name="email">Mailing lists</a></h2>
<p>
There are three mailing-lists:
</p>
<dl>
<dt><a href="https://www.redhat.com/mailman/listinfo/libvir-list">libvir-list@redhat.com</a> (for development)</dt>
<dd>
Archives at <a href="https://www.redhat.com/archives/libvir-list">https://www.redhat.com/archives/libvir-list</a>
</dd>
<dd>
This is a high volume mailing list. It is a place for discussions
about the <strong>development</strong> of libvirt.
</dd>
<dd>
Topics for discussion include:
<ul>
<li>New features for libvirt</li>
<li>Bug fixing of libvirt</li>
<li>New hypervisor drivers</li>
<li>Development of language bindings for libvirt API</li>
<li>Testing and documentation of libvirt</li>
</ul>
</dd>
<dt><a href="https://www.redhat.com/mailman/listinfo/libvirt-users">libvirt-users@redhat.com</a> (for users)</dt>
<dd>
Archives at <a href="https://www.redhat.com/archives/libvirt-users">https://www.redhat.com/archives/libvirt-users</a>
</dd>
<dd>
This is a moderate volume mailing list. It is a place for discussions
involving libvirt <strong>users</strong>.
</dd>
<dd>
Topics for discussion include:
<ul>
<li>Usage of libvirt / virsh</li>
<li>Administration of libvirt</li>
<li>Deployment of libvirt with hypervisors</li>
<li>Development of applications on top of / using the libvirt API(s)</li>
<li>Any other topics along these lines</li>
</ul>
</dd>
<dt><a href="https://www.redhat.com/mailman/listinfo/libvirt-announce">libvirt-announce@redhat.com</a> (for release notices)</dt>
<dd>
Archives at <a href="https://www.redhat.com/archives/libvirt-announce">https://www.redhat.com/archives/libvirt-announce</a>
</dd>
<dd>
This is a low volume mailing list, with restricted posting, for
announcements of new libvirt releases.
</dd>
<dd>
Subscribe to just this if you want to be notified of new releases,
without subscribing to either of the other mailing lists.
</dd>
</dl>
<p>
It is recommended but not required that you subscribe before posting
to the user and development lists. Posts from non-subscribers will be
subject to manual moderation delays. You can subscribe at the linked
web pages above.
</p>
<p>
Patches with explanations and provided as attachments are really
appreciated, and should be directed to the development mailing list
for review and discussion.
Wherever possible, please generate the patches by using
<code>git format-patch</code> in a git repository clone. Further
useful information regarding developing libvirt and/or contributing is
available on our <a href="hacking.html">Contributor Guidelines</a>
page.
</p>
<h2><a name="irc">IRC discussion</a></h2>
<p>
Some of the libvirt developers may be found on IRC on the <a href="http://oftc.net">OFTC IRC</a>
network. Use the settings:
</p>
<ul>
<li>server: irc.oftc.net</li>
<li>port: 6667 (the usual IRC port)</li>
<li>channel: #virt</li>
</ul>
<p>
NB There is no guarantee that someone will be watching or able to reply
promptly, so use the mailing-list if you don't get an answer on the IRC
channel.
</p>
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<body>
<h1>C# API bindings</h1>
<ul id="toc"></ul>
<h2><a name="description">Description</a></h2>
<p>
The C# libvirt bindings are a class library. They use a Microsoft
Visual Studio project architecture, and have been tested with Windows
.NET, and Mono, on both Linux and Windows.
</p>
<p>
Compiling them produces <b>LibvirtBindings.dll</b>, which can
be added as a .NET reference to any .NET project needing access
to libvirt.
</p>
<p>&nbsp;</p>
<h2><a name="requirements">Requirements</a></h2>
<p>
These bindings depend upon the libvirt libraries being installed.
</p>
<p>
In the .NET case, this is <b>libvirt-0.dll</b>, produced from
compiling libvirt for windows.
</p>
<p>&nbsp;</p>
<!-- 2010-10-19 JC: Commented out until we have C# tarballs to download
<h2><a name="getting">Getting them</a></h2>
<p>
The latest versions of the libvirt C# bindings can be downloaded from:
</p>
<ul>
<li><a href="ftp://libvirt.org/libvirt/csharp/">libvirt.org FTP server</a></li>
<li><a href="http://libvirt.org/sources/csharp/">libvirt.org HTTP server</a></li>
</ul>
-->
<h2><a name="git">GIT source repository</a></h2>
<p>
The C# bindings source code is maintained in a <a
href="http://git-scm.com/">git</a> repository available on
<a href="http://libvirt.org/git/">libvirt.org</a>:
</p>
<pre>
git clone git://libvirt.org/libvirt-csharp.git
</pre>
<p>
They can also be browsed online:
</p>
<pre>
<a href="http://libvirt.org/git/?p=libvirt-csharp.git;a=summary">http://libvirt.org/git/?p=libvirt-csharp.git;a=summary</a>
</pre>
<p>&nbsp;</p>
<h2><a name="usage">Usage</a></h2>
<p>
The libvirt C# bindings class library exposes the <b>Libvirt</b>
namespace. This namespace exposes all of the needed types (enum,
struct), plus many classes exposing the libvirt API methods.
</p>
<p>
These classes are grouped into functional areas, with each class
exposing libvirt methods related to that area.
</p>
<p>
For example, the libvirt methods related to connections, such as
<b>virConnectOpenAuth</b> and <b>virConnectNumOfDomains</b>, are in
the <b>Connect</b> class.
<br />
They are accessed as <b>Connect.OpenAuth</b>, and
<b>Connect.NumOfDomains</b> respectively.
</p>
<p>
In the same manner, the other class name mappings are:
</p>
<table class="top_table">
<tr><th>Name of libvirt function</th><th>C# class name</th></tr>
<tr><td>virDomain...</td><td>Domain</td></tr>
<tr><td>virEvent...</td><td>Event</td></tr>
<tr><td>virInterface...</td><td>Interface</td></tr>
<tr><td>virNetwork...</td><td>Network</td></tr>
<tr><td>virNode...</td><td>Node</td></tr>
<tr><td>virSecret...</td><td>Secret</td></tr>
<tr><td>virStoragePool...</td><td>StoragePool</td></tr>
<tr><td>virStorageVolume...</td><td>StorageVolume</td></tr>
<tr><td>virStream...</td><td>Stream</td></tr>
</table>
<p>
There are some additions as well:
</p>
<ul>
<li>
There is a class named <b>Library</b>, exposing the
<b>virGetVersion</b> and <b>virInitialize</b> methods
</li>
<li>
There is a class named <b>Errors</b>, exposing the error
related methods. For example, <b>virSetErrorFunc</b> and
<b>virConnResetLastError</b>.
</li>
</ul>
<p>&nbsp;</p>
<h2><a name="authors">Authors</a></h2>
<p>
The C# bindings are the work of Arnaud Champion
&lt;<a href="mailto:arnaud.champion AT devatom.fr">arnaud.champion AT devatom.fr</a>&gt;,
based upon the previous work of Jarom&iacute;r &#x010C;ervenka.
</p>
<p>&nbsp;</p>
<h2><a name="notes">Test Configuration</a></h2>
<p>
Testing is performed using the following configurations:
</p>
<ul>
<li>Windows 7 (64 bits) / .Net 4</li>
<li>Windows 7 (64 bits) / Mono 2.6.7 (compiled in 32 bits)</li>
<li>Ubuntu 10.10 amd64 / Mono 2.6.7 (compiled in 64 bits)</li>
</ul>
<p>&nbsp;</p>
<h2><a name="type">Type Coverage</a></h2>
<p>
Coverage of the libvirt types is:
</p>
<table class="top_table">
<tr><th>Type</th><th>Name</th><th>Binding?</th><th>Tested?</th><th>Sample Code?</th><th>Works?</th><th>Tested .Net/Windows Works?</th><th>Tested Mono (32-bit)/Windows Works?</th><th>Tested Mono (64-bit)/Linux Works?</th></tr>
<tr><td>enum</td><td>virCPUCompareResult</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virConnect</td><td>Yes, an IntPtr as the struct is not public</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virConnectAuth</td><td>Yes</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>struct</td><td>virConnectCredential</td><td>Yes</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virConnectCredentialType</td><td>Yes</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virConnectFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomain</td><td>Yes, an IntPtr as the struct is not public</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomainBlockInfo</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomainBlockStatsInfo</td><td>Yes</td><td>Yes</td><td>virDomainStats</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virDomainCoreDumpFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainCreateFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainDeviceModifyFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainEventDefinedDetailType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>struct</td><td>virDomainEventGraphicsAddress</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainEventGraphicsAddressType</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainEventGraphicsPhase</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomainEventGraphicsSubject</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomainEventGraphicsSubjectIdentity</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainEventID</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainEventIOErrorAction</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainEventResumedDetailType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virDomainEventStartedDetailType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virDomainEventStoppedDetailType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virDomainEventSuspendedDetailType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virDomainEventType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virDomainEventUndefinedDetailType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>enum</td><td>virDomainEventWatchdogAction</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomainInfo</td><td>Yes</td><td>Yes</td><td>virConnectSetErrorFunc, virDomainStats</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>struct</td><td>virDomainInterfaceStatsStruct</td><td>Yes</td><td>Yes</td><td>virDomainStats</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>struct</td><td>virDomainJobInfo</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainJobType</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainMemoryFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomainMemoryStatStruct</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainMemoryStatTags</td><td>Yes</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainMigrateFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virDomainSnapshot</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainSnapshotDeleteFlags</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainState</td><td>Yes</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virDomainXMLFlags</td><td>Yes</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virEventHandleType</td><td>Yes</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>struct</td><td>virInterface</td><td>Yes, an IntPtr as the struct is not public</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virInterfaceXMLFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virNWFilter</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virNetwork</td><td>Yes, an IntPtr as the struct is not public</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virNodeDevice</td><td>Yes, an IntPtr as the struct is not public</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virNodeInfo</td><td>Yes</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virSchedParameter</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virSchedParameterType</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virSecret</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virSecretUsageType</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virSecurityLabel</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virSecurityModel</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virStoragePoolBuildFlags</td><td>Yes</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virStoragePoolDeleteFlags</td><td>Yes</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virStoragePoolInfo</td><td>Yes</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virStoragePool</td><td>Yes, an IntPtr as the struct is not public</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virStoragePoolState</td><td>Yes</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virStorageVol</td><td>Yes, an IntPtr as the struct is not public</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virStorageVolDeleteFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virStorageVolInfo</td><td>Yes</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virStorageVolType</td><td>Yes</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virStream</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virStreamEventType</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virStreamFlags</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virVcpuInfo</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>enum</td><td>virVcpuState</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>struct</td><td>virError</td><td>Yes</td><td>Yes</td><td>virConnectSetErrorFunc, virDomainStats</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
</table>
<p>&nbsp;</p>
<h2><a name="funccover">Function Coverage</a></h2>
<p>
Coverage of the libvirt functions is:
</p>
<table class="top_table">
<tr><th>Name</th><th>Binding?</th><th>Type?</th><th>Tested?</th><th>Sample Code?</th><th>Working?</th><th>Tested .Net/Windows Works?</th><th>Tested Mono (32-bit)/Windows Works?</th><th>Tested Mono (64-bit)/Linux Works?</th></tr>
<tr><td>virConnectAuthCallback</td><td>Yes</td><td>delegate</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectBaselineCPU</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectClose</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectCompareCPU</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventCallback</td><td>Yes</td><td>delegate</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventDeregister</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventDeregisterAny</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventGenericCallback</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventGraphicsCallback</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventIOErrorCallback</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventIOErrorReasonCallback</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventRTCChangeCallback</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventRegister</td><td>Yes</td><td>function</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectDomainEventRegisterAny</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainEventWatchdogCallback</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainXMLFromNative</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectDomainXMLToNative</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectFindStoragePoolSources</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectGetCapabilities</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectGetHostname</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectGetLibVersion</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectGetMaxVcpus</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectGetType</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectGetURI</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectGetVersion</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectIsEncrypted</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectIsSecure</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListDefinedDomains</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectListDefinedInterfaces </td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListDefinedNetworks</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListDefinedStoragePools</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListDomains</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth, virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectListInterfaces</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes, if the host handle the method</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListNWFilters </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListNetworks</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListSecrets</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectListStoragePools</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpen</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectNumOfDefinedDomains</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectNumOfDefinedInterfaces</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectNumOfDefinedNetworks</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectNumOfDefinedStoragePools</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectNumOfDomains</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth, virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectNumOfInterfaces</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectNumOfNWFilters</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectNumOfNetworks </td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectNumOfSecrets</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectNumOfStoragePools</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpen</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectOpen</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpen, virEventRegisterImpl, virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectOpenAuth</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnectOpenReadOnly</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virConnectRef</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainAbortJob</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainAttachDevice</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainAttachDeviceFlags</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainBlockPeek</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainBlockStats</td><td>Yes</td><td>function</td><td>Yes</td><td>virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virDomainCoreDump</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainCreate</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainCreateLinux</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainCreateWithFlags</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainCreateXML</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainDefineXML</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainDestroy</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainDetachDevice</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainDetachDeviceFlags</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainFree</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetAutostart</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetBlockInfo</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetConnect</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetID</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetInfo</td><td>Yes</td><td>function</td><td>Yes</td><td>virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virDomainGetJobInfo</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetMaxMemory</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetMaxVcpus</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetName</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth, virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virDomainGetOSType</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetSchedulerParameters</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetSchedulerType</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetSecurityLabel</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetUUID</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetUUIDString</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetVcpus</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainGetXMLDesc</td><td>Yes</td><td>function</td><td>Yes</td><td>virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virDomainHasCurrentSnapshot</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainHasManagedSaveImage</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainInterfaceStats </td><td>No</td><td>function</td><td>Yes</td><td>virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virDomainIsActive</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainIsPersistent</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainLookupByID</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectOpenAuth, virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virDomainLookupByName</td><td>Yes</td><td>function</td><td>Yes</td><td>virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virDomainLookupByUUID</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainLookupByUUIDString</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainManagedSave </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainManagedSaveRemove</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainMemoryPeek</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainMemoryStats</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainMigrate</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainMigrateSetMaxDowntime</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainMigrateToURI </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainPinVcpu</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainReboot</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainRef </td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainRestore</td><td>Yes </td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainResume </td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainRevertToSnapshot</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSave</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSetAutostart</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSetMaxMemory </td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSetMemory</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSetSchedulerParameters</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSetVcpus</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainShutdown</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotCreateXML</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotCurrent</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotDelete</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotFree</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotGetXMLDesc</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotListNames</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotLookupByName</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSnapshotNum</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainSuspend</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainUndefine</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virDomainUpdateDeviceFlags</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virEventAddHandleFunc</td><td>Yes</td><td>delegate</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virEventAddTimeoutFunc</td><td>Yes</td><td>delegate</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virEventHandleCallback</td><td>Yes</td><td>delegate</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virEventRegisterImpl</td><td>Yes</td><td>function</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virEventRemoveHandleFunc</td><td>Yes</td><td>delegate</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virEventRemoveTimeoutFunc</td><td>Yes</td><td>delegate</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virEventTimeoutCallback</td><td>Yes</td><td>delegate</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virEventUpdateHandleFunc</td><td>Yes</td><td>delegate</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virEventUpdateTimeoutFunc</td><td>Yes</td><td>delegate</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virFreeCallback</td><td>Yes</td><td>function</td><td>Yes</td><td>virEventRegisterImpl</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virGetVersion</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInitialize</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceCreate</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceDefineXML</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceDestroy</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceFree</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceGetConnect</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceGetMACString</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceGetName</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceGetXMLDesc</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceIsActive</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceLookupByMACString</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceLookupByName</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceRef </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virInterfaceUndefine</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterDefineXML</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterFree</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterGetName</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterGetUUID</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterGetUUIDString</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterGetXMLDesc</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterLookupByName </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterLookupByUUID</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterLookupByUUIDString</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterRef </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNWFilterUndefine</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkCreate</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkCreateXML</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkDefineXML</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkDestroy</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkFree</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkGetAutostart</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkGetBridgeName</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkGetConnect</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkGetName</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkGetUUID</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkGetUUIDString </td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkGetXMLDesc</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkIsActive</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkIsPersistent</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkLookupByName</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkLookupByUUID</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkLookupByUUIDString</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkRef</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkSetAutostart</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNetworkUndefine</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceCreateXML</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceDestroy</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceDettach</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceFree</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceGetName</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceGetParent</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceGetXMLDesc</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceListCaps</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceLookupByName</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceNumOfCaps</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceReAttach</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceRef</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeDeviceReset</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeGetCellsFreeMemory</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeGetFreeMemory</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeGetInfo</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeGetSecurityModel </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeListDevices</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virNodeNumOfDevices</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretDefineXML</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretFree </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretGetConnect</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretGetUUID</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretGetUUIDString </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretGetUsageID</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretGetUsageType</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretGetValue</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretGetXMLDesc</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretLookupByUUID</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretLookupByUUIDString</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretLookupByUsage</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretRef</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretSetValue</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virSecretUndefine</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolBuild</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolCreate</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolCreateXML </td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolDefineXML</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolDelete</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolDestroy</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolFree</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolGetAutostart</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolGetConnect</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolGetInfo</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolGetName</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolGetUUID</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolGetUUIDString</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolGetXMLDesc</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolIsActive</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolIsPersistent</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolListVolumes</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolLookupByName</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolLookupByUUID</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolLookupByUUIDString</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolLookupByVolume</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolNumOfVolumes</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolRef</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolRefresh</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolSetAutostart</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStoragePoolUndefine</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolCreateXML</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolCreateXMLFrom</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolDelete</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolFree</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolGetConnect </td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>Maybe</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolGetInfo</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolGetKey</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolGetName</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolGetPath</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolGetXMLDesc </td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolLookupByKey</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolLookupByName</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolLookupByPath</td><td>Yes</td><td>function</td><td>Yes</td><td>&nbsp;</td><td>Yes</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolRef</td><td>Yes</td><td>function</td><td>No</td><td>&nbsp;</td><td>No</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStorageVolWipe</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamAbort </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamEventAddCallback</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamEventCallback</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamEventRemoveCallback</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamEventUpdateCallback</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamFinish </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamFree </td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamNew</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamRecv</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamRecvAll</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamRef</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamSend</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamSendAll</td><td>No</td><td>function</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamSinkFunc</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virStreamSourceFunc</td><td>No</td><td>delegate</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>virGetLastError</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectSetErrorFunc</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virConnSetErrorFunc</td><td>Yes</td><td>function</td><td>Yes</td><td>virConnectSetErrorFunc</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
<tr><td>virErrorFunc</td><td>Yes</td><td>delegate</td><td>Yes</td><td>virConnectSetErrorFunc, virDomainInfos</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr>
</table>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<body>
<h1>Deployment</h1>
<ul id="toc"></ul>
<h2><a name="packages">Pre-packaged releases</a></h2>
<p>
The libvirt API is now available in all major Linux distributions,
so the simplest deployment approach is to use your distributions'
package management software to install the <code>libvirt</code>
module.
</p>
<h2><a name="tarball">Self-built releases</a></h2>
<p>
libvirt uses GNU autotools for its build system, so deployment
follows the usual process of <code>configure; make ; make install</code>
</p>
<pre>
# ./configure --prefix=$HOME/usr
# make
# make install
</pre>
<h2><a name="git">Built from GIT</a></h2>
<p>
When building from GIT it is necessary to generate the autotools
support files. This requires having <code>autoconf</code>,
<code>automake</code>, <code>libtool</code> and <code>intltool</code>
installed. The process can be automated with the <code>autogen.sh</code>
script.
</p>
<pre>
# ./autogen.sh --prefix=$HOME/usr
# make
# make install
</pre>
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>libvirt Application Development Guides</h1>
<p>
The libvirt API is accessible from a number of programming languages.
At this time, there are application development guides available
which cover the C API and the Python API. Of the two, the Python guide
is currently the more comprehensive document.
</p>
<ul>
<li><a href="http://libvirt.org/docs/libvirt-appdev-guide/en-US/html/">Application Development Guide (C language) HTML</a></li>
<li><a href="http://libvirt.org/docs/libvirt-appdev-guide/en-US/pdf/">Application Development Guide (C language) PDF</a></li>
<li><a href="http://libvirt.org/docs/libvirt-appdev-guide-python/en-US/html/">Application Development Guide (Python language) HTML</a></li>
<li><a href="http://libvirt.org/docs/libvirt-appdev-guide-python/en-US/pdf/">Application Development Guide (Python language) PDF</a></li>
</ul>
<h2>Contributing content</h2>
<p>
These guides are written in DocBook and published with the
publican tool, which is also used for Fedora and Red Hat
documentation. The original content is provided in GIT and
any contributions to the guide are welcome.
</p>
<pre>
# C language
$ git clone <a href="http://libvirt.org/git/?p=libvirt-appdev-guide.git">git://libvirt.org/libvirt-appdev-guide.git</a>
# Python language
$ git clone <a href="http://libvirt.org/git/?p=libvirt-appdev-guide-python.git">git://libvirt.org/libvirt-appdev-guide-python.git</a>
# Publican Style/Theme
$ git clone <a href="http://libvirt.org/git/?p=libvirt-publican.git">git://libvirt.org/libvirt-publican.git</a>
</pre>
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<h2><span class="refentrytitle">libvirt Reference Manual</span></h2>
<p>Libvir 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 <a href="http://www.opensource.org/licenses/lgpl-license.html">GNU
Lesser General Public License</a>. 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 <a href="http://www.cl.cam.ac.uk/Research/SRG/netos/xen/index.html">Xen
paravirtualization</a> but should be able to integrate other virtualization
mechanisms if needed.</p>
<p> If you get lost searching for some specific API use, try
<a href="http://libvirt.org/search.php">the online search
engine</a> hosted on <a href="http://libvirt.org/">libvirt.org</a>
it indexes the project page, the APIs as well as the mailing-list archives. </p>
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