Martin Kletzander pointed out in email that my commit 2a193f64
introduced a crash in networkCreateInterfacePool() during startup of
any network that doesn't have a <pf> subelement of its <forward>
element. He also supplied a patch.

 http://www.redhat.com/archives/libvir-list/2014-August/msg00655.html

I expanded on that patch by cleaning up now-extraneous checks in the
callers of networkCreateInterfacePool().

Fortunately the offending patch hasn't been in any release, and hasn't
been (to my knowledge) backported to any other branch.

Handle formating of VIF config in a new function xenFormatXMVif().
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce functions
  xenFormatXMSound
  xenFormatXMInputDevs(virConfPtr conf,....);
which formats peripheral device config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
   xenFormatXMVfb(virConfPtr conf,.........);
which formats Vfb config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce functions
   xenFormatXMEmulator(virConfPtr conf,........);
   xenFormatXMCDROM(virConfPtr conf, .......);
   xenFormatXMOS(virConfPtr conf,........);
which formats OS and associated config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: NJim Fehlig <jfehlig@suse.com>

introduce functions
  xenFormatXMCPUAllocation(virConfPtr conf, ......);
  xenFormatXMCPUFeatures(virConfPtr conf, ......);
which formats CPU allocation and features config
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: NJim Fehlig <jfehlig@suse.com>

introduce function
  xenFormatXMDisks(virConfPtr conf,.........);
which formats domain disks config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: NJim Fehlig <jfehlig@suse.com>

introduce function
   xenFormatXMCharDev(virConfPtr conf,........);
which formats Char devices config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: NJim Fehlig <jfehlig@suse.com>

introduce function
   xenFormatXMEventActions(virConfPtr conf,.........);
which formats event actions instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
  xenFormatXMTimeOffset(virConfPtr conf,........);
which formats time config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: NJim Fehlig <jfehlig@suse.com>

introduce function
   xenFormatXMMem(virConfPtr conf,...........);
which parses memory config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
  xenFormatXMGeneralMeta(virConfPtr conf,......);
which parses uuid and name instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: NJim Fehlig <jfehlig@suse.com>

Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

The gid value passed to devpts has to be translated by hand as
virLXCControllerSetupDevPTS() is called before setting up the user
and group mappings.
Otherwise devpts will use an unmapped gid and openpty()
will fail within containers.
Linux kernel commit 23adbe12
("fs,userns: Change inode_capable to capable_wrt_inode_uidgid")
uncovered that issue.
Signed-off-by: NRichard Weinberger <richard@nod.at>
Signed-off-by: NJán Tomko <jtomko@redhat.com>

During a QEMU live migration several warning messages about job
handling could be written to syslog on the destination host:

"entering monitor without asking for a nested job is dangerous"

The messages are written because the job handling during migration
uses hard coded asyncJob values in several places that are incorrect.

This patch passes the required asyncJob value around and prevents
the warnings as well as any issues that the warnings may be referring
to.

https://bugzilla.redhat.com/show_bug.cgi?id=1130089Signed-off-by: NSam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: NJán Tomko <jtomko@redhat.com>

commit d9504941 introduces two new attributes "cmd_per_lun" and
"max_sectors" same with the names QEMU uses for virtio-scsi.
But the case of parsing them is not exact. Change to parse
them if controller has "driver" element.
Signed-off-by: NMo yuxiang <moyuxiang@huawei.com>

This patch changes the setmaxmem function to support the '--live',
'--config', and '--current' flags by revectoring the code through
the setmem function using the VIR_DOMAIN_MEM_MAXIMUM flag. The
setmem code is refactored to handle both cases depending on the flag.

The changed maxmem code for the MEM_MAXIMUM path will not allow
modification to the memory values of an active guest unless the --config
switch is used.
Signed-off-by: NChen Hanxiao <chenhanxiao@cn.fujitsu.com>

Laine Stump noted on IRC that syntax check wasn't flagging his
typo of 'i= 0'.  This fixes it.

* build-aux/bracket-spacing.pl: Tighten 'space around =' rule.
* src/storage/storage_backend.c
(virStorageBackendCreateExecCommand): Fix offenders.
* src/util/virnuma.c (virNumaGetDistances): Likewise.
* src/vbox/vbox_tmpl.c (vboxDomainSnapshotDeleteMetadataOnly)
(vboxNetworkGetXMLDesc): Likewise.
* src/xenapi/xenapi_driver.c (xenapiDomainLookupByName):
Likewise.
Signed-off-by: NEric Blake <eblake@redhat.com>

If we failed to create BHYVE_STATE_DIR, we should show this
path, not BHYVE_LOG_DIR.

At the beginning of the qemu config file parsing function there
are 3 helper macros defined: GET_VALUE_BOOL, GET_VALUE_LONG and
GET_VALUE_STR. Later, when they are no longer needed they are
undefined in order to keep the namespace clean. However, the
GET_VALUE_STRING is undefined instead of GET_VALUE_STR.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

Implement ZFS storage backend driver. Currently supported
only on FreeBSD because of ZFS limitations on Linux.

Features supported:

 - pool-start, pool-stop
 - pool-info
 - vol-list
 - vol-create / vol-delete

Pool definition looks like that:

 <pool type='zfs'>
  <name>myzfspool</name>
  <source>
    <name>actualpoolname</name>
  </source>
 </pool>

The 'actualpoolname' value is a name of the pool on the system,
such as shown by 'zpool list' command. Target makes no sense
here because volumes path is always /dev/zvol/$poolname/$volname.

User has to create a pool on his own, this driver doesn't
support pool creation currently.

A volume could be used with Qemu by adding an entry like this:

    <disk type='volume' device='disk'>
      <driver name='qemu' type='raw'/>
      <source pool='myzfspool' volume='vol5'/>
      <target dev='hdc' bus='ide'/>
    </disk>

In qemuMigrationToFile we enter the monitor multiple times and don't
check if the VM is still alive after returning form the monitor. Add the
checks to skip pieces of code in case the VM crashes while saving it's
state.

Saving a shutoff VM doesn't make sense and libvirtd crashes while
attempting to do that. Check that the domain is alive after entering
the save async job.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1129207

Fix header alignment and remove the unused conn parameter.

Resolves https://bugzilla.redhat.com/show_bug.cgi?id=1121837

https://bugzilla.redhat.com/show_bug.cgi?id=1128751

There's this <driver/> element under <interface/> which can have
several attributes. However, the driver element is currently formated
only if the driver's name or txmode has been specified. This makes
only a little sense as we parse even partial <driver/>, for instance:

    <interface type='user'>
      <mac address='52:54:00:e5:48:58'/>
      <model type='virtio'/>
      <driver ioeventfd='on' event_idx='on' queues='5'/>
    </interface>

But such XML would never get formatted back.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

When a network is defined with "<pf dev='xyz'/>", libvirt will query
sysfs to learn the list of all virtual functions (VF) associated with
that Physical Function (PF) then populate the network's interface pool
accordingly. This action was previously done only when the first guest
actually requested an interface from the network. This patch changes
it to populate the pool immediately when the network is started. This
way any problems with the PF or its VFs will become apparent sooner.

Note that we can't remove the old calls to networkCreateInterfacePool
that happen whenever a guest requests an interface - doing so would be
asking for failures on hosts that had libvirt upgraded with a network
that had been started but not yet used.

This resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1047818

networkCreateInterfacePool was a bit loose in its error cleanup, which
could result in a network definition with interfaces in the pool that
were NULL. This would in turn lead to a libvirtd crash when a guest
tried to attach an interface using the network with that pool.

In particular this would happen when creating a pool to be used for
macvtap connections. macvtap needs the netdev name of the virtual
function in order to use it, and each VF only has a netdev name if it
is currently bound to a network driver. If one of the VFs of a PF
happened to be bound to the pci-stub or vfio-pci driver (indicating
it's already in use for PCI passthrough), or no driver at all, it
would have no name. In this case networkCreateInterfacePool would
return an error, but would leave the netdef->forward.nifs set to the
total number of VFs in the PF. The interface attach that triggered
calling of networkCreateInterfacePool (it uses a "lazy fill" strategy)
would simply fail, but the very next attempt to attach an interface
using the same network pool would result in a crash.

This patch refactors networkCreateInterfacePool to bring it more in
line with current coding practices (label name, use of a switch with
no default case) as well as providing the following two changes to
behavior:

1) If a VF with no netdev name is encountered, just log a warning and
continue; only fail if exactly 0 devices are found to put in the pool.

2) If the function fails, clean up any partial interface pool and set
netdef->forward.nifs to 0.

This resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1111455

Otherwise we fail like

  libvirt version: 1.2.7, package: 6 (root 2014-08-08-16:09:22 bogon)
  virAuditOpen:62 : Unable to initialize audit layer: Protocol not supported
  virFileGetDefaultHugepageSize:2958 : internal error: Unable to parse /proc/meminfo
  virStateInitialize:749 : Initialization of QEMU state driver failed: internal error: Unable to parse /proc/meminfo
  daemonRunStateInit:922 : Driver state initialization failed

if the data can't be determined.

Reference: http://bugs.debian.org/757609

This fixes compilation on kFreeBSD which otherwise fails like

  CC       util/libvirt_util_la-virprocess.lo
In file included from /usr/include/sys/cpuset.h:35:0,
                 from util/virprocess.c:43:
/usr/include/sys/_cpuset.h:49:43: error: 'NBBY' undeclared here (not in
a function)
  long __bits[howmany(CPU_SETSIZE, _NCPUBITS)];
                                           ^
In file included from util/virprocess.c:43:0:
/usr/include/sys/cpuset.h:215:12: error: unknown type name 'cpusetid_t'
 int cpuset(cpusetid_t *);
            ^
/usr/include/sys/cpuset.h:216:30: error: expected ')' before 'id_t'
 int cpuset_setid(cpuwhich_t, id_t, cpusetid_t);
                              ^
/usr/include/sys/cpuset.h:217:42: error: expected ')' before 'id_t'
 int cpuset_getid(cpulevel_t, cpuwhich_t, id_t, cpusetid_t *);
                                          ^
/usr/include/sys/cpuset.h:218:48: error: expected ')' before 'id_t'
 int cpuset_getaffinity(cpulevel_t, cpuwhich_t, id_t, size_t, cpuset_t
*);
                                                ^
/usr/include/sys/cpuset.h:219:48: error: expected ')' before 'id_t'
 int cpuset_setaffinity(cpulevel_t, cpuwhich_t, id_t, size_t, const
cpuset_t *);

And it's the correct usage as documented in

  http://www.freebsd.org/cgi/man.cgi?query=cpuset_setid

Also change the #ifdef HAVE_BSH_CPU_AFFINITY to #if for consistency.

A command to freeze a part of mounted file systems is implemented in
upstream QEMU-guest-agent with a name of 'guest-fsfreeze-freeze-list'.
This fixes the name of the command used to partial fsfreeze in qemu driver
when 'mountpoints' option is specified to virDomainFSFreeze API.
Signed-off-by: NTomoki Sekiyama <tomoki.sekiyama@hds.com>

The virDomainSetInterfaceParameters implementation in qemu over
VIR_DOMAIN_AFFECT_CONFIG doesn't work as expected. When trying to
clear out the bandwidth settings for an interface, it has no
actual effect:

    virsh # domiftune --config $domain $interface
    inbound.average: 100
    inbound.peak   : 0
    inbound.burst  : 0
    outbound.average: 10
    outbound.peak  : 0
    outbound.burst : 0

    virsh domiftune --config $domain $interface 0 0

    virsh # domiftune --config $domain $interface
    inbound.average: 100
    inbound.peak   : 0
    inbound.burst  : 0
    outbound.average: 10
    outbound.peak  : 0
    outbound.burst : 0

But according to virsh man page:

    To clear inbound or outbound settings, use --inbound or
    --outbound respectfully with average value of zero.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

introduce function
  xenParseXMOS(virConfPtr conf,...........);
which parses the OS config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
   xenParseXMGeneralMeta(virConfPtr conf, .......);
which parses general metadata instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
   xenParseXMEmulatedHardware(virConfPtr conf,.........);
which parses emulated devices config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
  xenParseXMVif(virConfPtr conf,........);
which parses Vfb config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
  xenParseXMCharDev(virConfPtr conf,.........);
which parses Char devices config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
 xenParseXMVfb(virConfPtr conf,..........);
which parses Vfb config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
  xenParseXMDisk(virConfPtr conf, ........);
which parses xm disk config instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>

introduce function
  xenParseXMCPUFeatures(virConfPtr conf,.........);
which parses CPU features instead
Signed-off-by: NKiarie Kahurani <davidkiarie4@gmail.com>