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For openvzDomObjFromDomainLocked and openvzDomainLookupByID
let's return a locked and referenced @vm object so that callers
can then use the common and more consistent virDomainObjEndAPI
in order to handle cleanup rather than needing to know that the
returned object is locked and calling virObjectUnlock.
The LookupByName already returns the ref counted and locked object,
so this will make things more consistent.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
If openvzDomainLookupByID or openvzDomainLookupByName fails
to find a vm, let's be a bit more descriptive by providing
the failing id or name in the error message.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Rather than repeat code throughout, create and use a couple of
accessors in order to lookup by UUID.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
The virDomainObjListRemove will return an unlocked
@vm after calling with a reffed object, thus prior
to calling virDomainObjEndAPI we should relock.
Signed-off-by: John Ferlan <jferlan@redhat.com>
In error paths, if we call virDomainObjListRemove we will leak
the @vm because we have called with a reffed and locked @vm.
So rather than set it to NULL, relock the @vm and allow the
virDomainObjEndAPI to perform the magic of Unlock/Unref.
Signed-off-by: John Ferlan <jferlan@redhat.com>
For bhyveDomObjFromDomain, bhyveDomainLookupByUUID, and
bhyveDomainLookupByID let's return a locked and referenced
@vm object so that callers can then use the common and more
consistent virDomainObjEndAPI in order to handle cleanup rather
than needing to know that the returned object is locked and
calling virObjectUnlock.
The LookupByName already returns the ref counted and locked object,
so this will make things more consistent.
For bhyveDomainUndefine and bhyveDomainDestroy since the
virDomainObjListRemove will return an unlocked object, we need to
relock before making the EndAPI call.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Up until now we have only formatted non-default GIC versions on
the command line, in order to maintain compatibility with older
QEMU versions that didn't implement the gic-version option to
begin with; however, doing so is entirely unnecessary for newer
QEMU versions, where the option is available. Moreover, having
the GIC version formatted on the command line at all times
ensures that QEMU changing its own defaults doesn't affect the
ABI of libvirt guests.
A few test cases are removed to avoid extra churn. It doesn't
matter for coverage, as those scenarios are already covered by
other parts of the test suite.
This patch is better viewed with 'git show -w'.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This is the responsability of the caller to apply the correct lock
before using these functions. Moreover, the use of a simple boolean
was still racy: two threads may check the boolean and "lock" it
simultaneously.
Users of functions from src/util/virhash.c have to be checked for
correctness. Lookups and iteration should hold a RO
lock. Modifications should hold a RW lock.
Most important uses seem to be covered. Callers have now a greater
responsability, notably the ability to execute some operations while
iterating were reliably forbidden before are now accepted.
Signed-off-by: Vincent Bernat <vincent@bernat.im>
For patches pushed upstream we want builds run on master branch, but
don't want them run on the -maint branches, as we are not keeping the
.travis.yml file on stable branches updated wrt latest needs of travis
CI platforms.
We can't just whitelist 'master' though, because that will prevent
developers triggering their own private travis builds. So we just
blacklist *-maint, since developers will typically use named feature
branches for any work.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This patch adds support to qcow2 formatted filesystem object storage by
instructing qemu-img to build them with preallocation=falloc whenever the
XML described storage <allocation> matches its <capacity>. For all other
cases the filesystem stored objects are built with preallocation=metadata.
Signed-off-by: Wim ten Have <wim.ten.have@oracle.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
According to the policy described on https://libvirt.org/platforms.html
the QEMU versions in the oldest relevant releses are:
SLES 12: 2.0.0
RHEL 7: 1.5.3
Ubuntu 14.04: 2.0.0
Set the minimum to 1.5.0 and drop support for RHEL 6.
This will let us assume lots of capabilities.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Remove the qmpOnly argument of virQEMUCapsNewForBinaryInternal
and instead always assume it's true.
This effectively sets the minimum QEMU version to 1.2.0.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Because we allow a QEMU_JOB_DESTROY to occur while we're starting
up and we drop the @vm lock prior to qemuMonitorOpen, it's possible
that a domain destroy operation "wins" the race, calls qemuProcessStop
which will free and reinitialize priv->monConfig. Depending on the
exact timing either qemuMonitorOpen will be passed a NULL @config
variable or it will be using free'd (and possibly reclaimed) memory
as the @config parameter - neither of which is good.
Resolve this by localizing the @monConfig, taking an extra reference,
and then once we get the @vm lock again removing our reference since
we are done with it.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Let's use object referencing to handle the ChrSourceDef. A subsequent
patch then can allow the monConfig to take an extra reference before
dropping the domain lock to then ensure nothing free's the memory that
needs to be used.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Rather than VIR_ALLOC, use the New function for allocation. We
already use the Free function anyway.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Laine Stump <laine@laine.org>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Rather than using VIR_ALLOC, use the New API since we already
use the virDomainChrSourceDefFree function when done.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Laine Stump <laine@laine.org>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
The array of strings we are building is indeed array of const
strings. We are not STRDUP()-ing them nor FREE()-ing them.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
We test the same XML for a type='kvm' domain twice, once with
QEMU_CAPS_KVM (expecting success), once without (expecting failure).
The failure case relies on QEMU_CAPS_MACHINE_OPT not being set,
failing in qemuBuildObsoleteAccelArg.
Checking a domain-type error message in a cpu test is strange.
Delete the negative test to allow assuming QEMU_CAPS_MACHINE_OPT by
default.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Use QEMU_CAPS_MACHINE_OPT and QEMU_CAPS_MACHINE_VMPORT_OPT
since it specifies <vmport state=off/>.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Since virCloseCallbacksRun was ignoring the value anyway, let's
just change it to be a void function.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Upon entry from virCloseCallbacksRun, the @dom will have a
Ref and Lock from virDomainObjListFindByUUIDRef, so there's
no need to take an extra reference nor should the code call
virDomainObjEndAPI when done since that both Unref's and
Unlock's the @dom which means the callers call to EndAPI
would be unlocking an unlocked object. At least the Ref
saved the code from referencing something already freed.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Now that the old Xen driver is removed, update the drvxen
page with current information on the libxl drvier and remove
all the old cruft.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
xend was deprecated in Xen 4.2 and removed from the Xen sources
before the Xen 4.5 release. The last Xen release to contain xend
was Xen 4.4, which was retired upstream in March 2017.
Remove xend support from libvirt since it is unrealistic to use
modern libvirt with ancient Xen.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
In preparation of removing the legacy Xen driver, move the
xmconfig tests from WITH_XEN to WITH_LIBXL. Even though the
legacy driver will be removed, we'll want to maintain the ability
to convert xm config to XML. Requires fixing up the tests to account
for different behavior of Xen vs libxl post parse functions. For
consistency with other Xen config tests, change the <os> arch to
x86_64.
There is some test file fallout due to differences in handling of
default values between xend and libxl.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
In preparation of removing the legacy Xen driver, move the
sexpr2xml tests from WITH_XEN to WITH_LIBXL. Even though the
legacy driver will be removed, we'll want to maintain the ability
to convert sexpr to XML. Requires fixing up the tests to account
for different behavior of Xen vs libxl post parse functions.
There is some test file fallout due to differences in handling
of default values between xend and libxl.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
In preparation of removing the legacy Xen driver, move the
xml2sexpr tests from WITH_XEN to WITH_LIBXL. Even though the
legacy driver will be removed, we'll want to maintain the ability
to convert sexpr <-> XML.
There is some test file fallout due to differences in handling
of default values between xend and libxl.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
There will shortly be many connection objects, so we should not assume a
single check against priv->conn is sufficient.
Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Calling a push_privconn method to directly push the connection object
name into the arg list is inconvenient. Refactor so that we acquire
the connection variable name upfront, and push it to the arg list
separately. This allows various hardcoded usage of "priv->conn" to
be parameterized.
Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Described how we decide which host platforms to support for libvirt,
which in turn makes it easier to decide when a platform / software
version can be dropped.
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
I haven't been able to come up with a single scenario in which
the code in question would be executed; even if there was one,
it would be due to the user specifying a *partial* PCI topology
in the guest XML, which is of course entirely unsupportable and
thus providing even the slightest hint that doing so is in any
way a good idea is actively harmful.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Since the introduction of log tuning capabilities to virt-admin by
@06b91785, this has been a much needed missing improvement on the way to
deprecate the global 'log_level'.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
When applying the log filters, one has to define the more specific
filters before the generic ones, because the first filter that matches
will be applied. However, we've been missing this information in the
config, so it always has been a trial-error scenario figuring out that
e.g. '4:util 1:util.pci' doesn't actually enable verbose logging on the
src/util/virpci.c module because 4:util will be matched first.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Initially, update the UUID field to have the proper format, but
then also changed the type, id, and name fields.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
When virDomainObjParseFile runs, it returns a locked @obj with
one reference. Rather than just use virObjectUnref to clean that
up, use virObjectEndAPI.
Signed-off-by: John Ferlan <jferlan@redhat.com>
If the virHashAddEntry fails, then we need to "careful" about
how we free the @obj. When virDomainObjParseFile returns there
is one reference and the object is locked, so use virDomainObjEndAPI
when done.
Add a virObjectRef in the error path for the second virHashAddEntry
call since it doesn't call virObjectRef, but virHashRemoveEntry
will call virObjectUnref because virObjectFreeHashData is called
when the element is removed from the hash table as set up in
virDomainObjListNew.
Signed-off-by: John Ferlan <jferlan@redhat.com>
If the virHashAddEntry fails, then we need to "careful" about
how we free the @vm. When virDomainObjNew returns there is one
reference and the object is locked, so use virDomainObjEndAPI
when done.
Add a virObjectRef in the error path for the second virHashAddEntry
call since it doesn't call virObjectRef, but virHashRemoveEntry
will call virObjectUnref because virObjectFreeHashData is called
when the element is removed from the hash table as set up in
virDomainObjListNew.
Eventually these paths should goto error and error should be changed
to use EndAPI as well, but that requires more adjustments to other
paths in the code to have a locked and ref counted @vm.
Signed-off-by: John Ferlan <jferlan@redhat.com>
