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This looks for existance of DMAR (Intel) and IVRS (AMD)
files under /sys/firmware/acpi/tables/, as a sign that
the platform has IOMMU present & enabled in the BIOS.
If these are present and /sys/kernel/iommu_groups does
not contain any entries this is taken as a sign that
the kernel has not enabled the IOMMU currently.
If no ACPI tables are found we can't distinguish between
disabled in BIOS and not present in the hardware, so we
have to give the user a generic hint.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Our apibuild.py script does not cope with ATTRIBUTE_NONNULL:
Parse Error: parsing function type, ')' expected
Got token ('name', 'char')
Last token: ('name', 'char')
Token queue: [('op', '*'), ('name', 'dconnuri'), ('sep', ')')]
Line 3297 end:
Makefile:2441: recipe for target '../../docs/apibuild.py.stamp' failed
Let's drop it. Moreover, up until e17ae3ccc2 where it was
introduced we did not really care about NULL-ity of dconnuri. And
moreover the ATTRIBUTE_NONNULL merely checks for static calls
over NULL, it won't catch the dynamic ones, where a NULL is
passed by a variable at runtime.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1256999
After creating a copy of the 'authdef' in a pool -> disk translation,
unconditionally clear the 'authType' in the resulting disk auth def
structure since that's used for a storage pool and not a disk. This
ensures virStorageAuthDefFormat will properly format the <auth> XML
for a <disk> (e.g. it won't have a <auth type='%s'.../>).
Win32 does not have support for mntent.h header, so the
method which uses this must be stubbed out.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Extend the virt-host-validate checks to see if the required
cgroups are compiled into the kernel and that they are
mounted on the system. The cgroups are all optional except
for 3 that LXC mandates
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Currently we just check that various devices are accessible.
This leads to inaccurate errors reported for /dev/kvm and
/dev/vhost-net if they exist but an unprivileged user lacks
access. Switch existing checks to look for file existance,
and add a separate check for accessibility of /dev/kvm
since some distros don't grant users access by default.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The LXC driver requires the uts, mnt, pid & ipc
namespaces, while net & user namespaces are
optional. Validate all these are present.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Check dconnuri is not null or we will catch nullpointer later.
I hope this makes Coverity happy.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
virDomainMigrateUnmanagedParams is not a good candidate for this functionality
as it is used by migrate family functions too and its have its own checks that
are superset of extracted and we don't need to check twice.
Actually name of the function is slightly misleading as there is also a check
for consistensy of flags parameter alone. So it could be refactored further and
reused by all migrate functions but for now let it be a matter of a different
patchset.
It is *not* a pure refactoring patch as it introduces offline check for older
versions. Looks like it must be done that way and no one will be broken too.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Finally on this step we get what we were aimed for - toURI{1, 2} (and
migration{*} APIs too) now can work thru V3_PARAMS protocol. Execution path
goes thru unchanged virDomainMigrateUnmanaged adapter function which is called
by all target places.
Note that we keep the fact that direct migration never works
thru V3_PARAMS proto. We can't change this aspect without
further investigation.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Move virDomainMigrateUnmanagedProto* expected params list check into
function itself and use common virTypedParamsCheck for this purpose.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Extract parameter adaptation and checking which is protocol dependent into
designated functions. Leave only branching and common checks in
virDomainMigrateUnmanagedParams.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Let's put main functionality into params version of virDomainMigrateUnmanaged
as a preparation step for merging it with virDomainMigratePeer2PeerParams.
virDomainMigrateUnmanaged then does nothing more then just adapting arguments.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
p2p plain and direct function are good candidates for code reuse. Their main
function is same - to branch among different versions of migration protocol and
implementation of this function is also same. Also they have other common
functionality in lesser aspects. So let's merge them.
But as they have different signatures we have to get to convention on how to
pass direct migration 'uri' in 'dconnuri' and 'miguri'. Fortunately we alreay
have such convention in parameters passed to toURI2 function, just let's follow
it. 'uri' is passed in miguri and dconnuri is ignored.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
We use miguri name for this parameter in other places. So
make naming more consitent.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Direct migration should work if *perform3 is present but *perform
is not. This is situation when driver migration is implemented
after new version of driver function is introduced. We should not
be forced to support old version too as its parameter space is
subspace of newer one.
This is more structured code so it will be easier to add branch for _PARAMS
protocol here. It is not a pure refactoring strictly speaking as we remove
scenarios for broken cases when driver defines V3 feature and implements
perform function. So it is additionally a more solid code.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
'useParams' parameter usage is an example of control coupling. Most of the work
inside the function is done differently except for the uri check. Lets split
this function into two, one with extensible parameters set and one with hardcoded
parameter set.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
The internal representation of a JSON array counts the items in
size_t. However, for some reason, when asking for the count it's
reported as int. Firstly, we need the function to return a signed
type as it's returning -1 on an error. But, not every system has
integer the same size as size_t. Therefore, lets return ssize_t.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit 4e8032272f used $(builddir) in the header search
path to fix a build issue; however, $(builddir) is not defined
by old autoconf versions such as the one available in CentOS 5,
resulting in the following error:
cc1: error: /util: No such file or directory
make[3]: *** [libvirt_driver_la-fdstream.lo] Error 1
Since $(builddir) is defined to always be '.', just use that
value directly instead.
Since a9fe620372, we are generating virkeymaps.h at build
time; however, we are not including $(builddir)/util in the
header search path, so when doing a VPATH build the compiler
is unable to locate the file.
make[2]: Entering directory
`/home/jenkins/libvirt/systems/libvirt-fedora-20/build/src'
GEN util/virkeymaps.h
...
CC util/libvirt_util_la-virkeycode.lo
CC util/libvirt_util_la-virkeyfile.lo
CC util/libvirt_util_la-virlockspace.lo
CC util/libvirt_util_la-virlog.lo
../../src/util/virkeycode.c:27:24: fatal error: virkeymaps.h: No such file or directory
#include "virkeymaps.h"
^
compilation terminated.
Coverity notices that net->ifname is potentially referenced after a
VIR_FREE(). Since the net->ifname will eventually be free'd during
virDomainDefFree when calling virDomainNetDefFree, let's just that
processing take care the free.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Since the strtok_r call in libxlCapsInitGuests expects a non NULL first
parameter when the third parameter is NULL, we need to check that
the returned 'capabilities' from a libxl_get_version_info call is
not NULL and error out if so since the code expects it.
Signed-off-by: John Ferlan <jferlan@redhat.com>
So imagine you want to crate new security manager:
if (!(mgr = virSecurityManagerNew("selinux", "QEMU", false, true, false, true)));
Hard to parse, right? What about this:
if (!(mgr = virSecurityManagerNew("selinux", "QEMU",
VIR_SECURITY_MANAGER_DEFAULT_CONFINED |
VIR_SECURITY_MANAGER_PRIVILEGED)));
Now that's better! This is what the commit does.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This gets rid of the partially enforced alignment and makes it less
likely for a bogus value to be introduced in the enumeration.
Capabilities are divided in five-element groups for better readability.
Use #define for QEMU_CAPS_NET_NAME and QEMU_CAPS_HOST_NET_ADD, both
of which are aliases for QEMU_CAPS_0_10.
qemuMigrationIsAllowed would disallow offline migration if the VM
contained host devices or memory modules. Since during offline migration
we don't transfer any state we can safely migrate VMs with such
configuration.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1265049
Use the migration @flags for checking various migration aspects rather
than picking them out as booleans. Document the new semantics in the
function header.
Now that qemuMigrationIsAllowed is always called with @vm, we can drop
the @def argument and simplify the control flow.
Additionally the comment is invalid so drop it.
Extract the hostdev check from qemuMigrationIsAllowed into a separate
function since that is the only part that needs to be done in the v2
migration protocol prepare phase on the destination. All other checks
were added when the v3 protocol existed so they don't need to be
extracted.
This change will allow to drop the @def argument for
qemuMigrationIsAllowed and further simplify the function.
I'm hitting this little annoyance in fedora's package repo:
$ fedpkg prep
Downloading libvirt-1.2.20.tar.gz
...
+ /usr/bin/gzip -dc /home/crobinso/src/fedora/libvirt/libvirt-1.2.20.tar.gz
$ git clean -xdf
Removing libvirt-1.2.20.tar.gz
Skipping repository libvirt-1.2.20/
We git-ify the libvirt directory as part of applying patches in the spec
file, but 'git clean' will ignore subfolders that appear to be standalone
git repos.
Let's just delete the .git directory after we're done with it.
In fact, it was never used as far as vz has no features supporting it.
That is why there will be no harm to anyone if we just remove this code to
prevent further misunderstanding and efforts to support dead code.
Signed-off-by: Maxim Nestratov <mnestratov@virtuozzo.com>
At the time this code was added we had intentions to support libvirt interface
to manage vz networks. In fact, it was never implemented completely to work
correctly that makes me think that there will be no harm to anyone if we just
rip it off. Moreover, in vz7 we started to use libvirt bridge network driver to
manage networks.
Signed-off-by: Maxim Nestratov <mnestratov@virtuozzo.com>
- qemuxml2argv-aarch64-mmio-default-pci: Verify that we still default
to virtio-mmio even if qemu is new enough to support PCI
- qemuxml2argv-aarch64-virtio-pci: Check generated arm virtio PCI args
The example pvspinlock XML is:
<pvspinlock/>
While this is accepted by libvirt and works correctly, it's currently
always output as a tristate like
<pvspinlock state='on'/>
So document that format instead
Even though QEMU on the source host reports completed migration and thus
we move to the Finish phase, QEMU on the destination host may still be
processing migration data. Thus before we can start guest CPUs on the
destination, we have to wait for a completed migration event.
https://bugzilla.redhat.com/show_bug.cgi?id=1265902
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
With new QEMU which supports migration events,
qemuMigrationCheckJobStatus needs to explicitly query QEMU for migration
statistics once migration is completed to make sure the caller sees
up-to-date statistics with both old and new QEMU. However, some callers
are not interested in the statistics at all and once we start waiting
for a completed migration on the destination host too, checking the
statistics would even fail. Let's push the decision whether to update
the statistics or not to the caller.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The function already has two bool parameters and we will need to add a
new one. Let's switch to flags to make the callers readable.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The destination host gets detailed statistics about the current
migration form the source host via migration cookie and copies them to
the domain object so that they can be queried using
virDomainGetJobStats. However, we should only copy statistics to the
domain object when migration finished successfully.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Even if we are migrating a domain with VIR_MIGRATE_PAUSED flag set, we
should still update the total time of the migration. Updating downtime
doesn't hurt either, even though we don't actually start guest CPUs.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
We are distributing virkeymaps.h and all the tools needed to rebuild
that file. On top of that, we are generating that file into the
$(srcdir) and that sometimes fails when trying to do make dist in VPATH
on rawhide fedora. And we don't clean the file when maintainer-clean
make target is requested. So let's not distribute the file and rather
let everyone rebuild it when needed and clean it when appropriate.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
profile_status function was not making any difference between error
cases and unconfined profiles. The problem with this approach is that
dominfo was throwing an error on unconfined domains.
Our docs state that subelements of <metadata> shall have a namespace
and the medatata APIs expect that too. To avoid inaccessible
<metadata> sub-elements, just remove those that don't conform to the
documentation.
Apart from adding the new condition this patch renames the function and
refactors the code flow to allow the changes.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1245525
virtTestResult is suboptimal for a few reasons:
- It poorly duplicates virtTestRun pass/fail reporting logic
- It doesn't have virtTestRun's alloc testing support
- It only reports the test name _after_ the test has run.
- It doesn't follow the standard virtTestRun pattern that most other
tests use.
There's no users left, so drop it. If any other async tests like eventtest
spring up that don't cleanly fit the virtTestRun pattern, I suggest they
just open code the support for it around virtTestRun
