The generated HTML will contain <ul></ul> otherwise, which
triggers an error during 'make check'.
The proper fix would be not to generate the problematic
HTML in the first place but, while I'm working on it, this
workaround will do.
virQEMUCapsHasPCIMultiBus() performs a version check on
the QEMU binary to figure out whether multiple buses are
supported, so to get the correct aliases assigned when
dealing with pSeries guests we need to spoof the version
accordingly in the test suite.
Due to the extra architecture-specific logic, it's already
necessary for users to call virQEMUCapsHasPCIMultiBus(),
so the capability itself is just a pointless distraction.
Now that QEMU_CAPS_DEVICE_PCI_BRIDGE is no longer checked
unless a pci-bridge is really part of the configuration,
and most uses of the legacy PCI controller combo have been
dropped from tests that use PCIe machine types, we can
drop the corresponding capabilities from a lot of test
cases.
qemuDomainAssignPCIAddresses() hardcoded the assumption
that the only way to support devices on a non-zero bus is
to add one or more pci-bridges; however, since we now
support a large selection of PCI controllers that can be
used instead, the assumption is no longer true.
Moreover, this check was always redundant, because the
only sensible time to check for the availability of
pci-bridge is when building the QEMU command line, and
such a check is of course already in place.
In fact, there were *two* such checks, but since one of
the two was relying on the incorrect assumption explained
above, and it was redundant anyway, it has been dropped.
Up until a while ago, libvirt would automatically add a legacy
PCI controllers combo (dmi-to-pci-bridge + pci-bridge) to any
PCIe machine type (x86_64/q35 and aarch64/virt).
As a result, a number of input and output files in the test
suite ended up containing the legacy PCI controllers, even
though they are not needed or in any way relevant to the
feature being tested.
Get rid of most of the occurrences. Most of the time, this
just means removing the controllers from the input file and
regenerating the output files; in a few instances, some
minor tweaking is performed on the input file, most notably
removing the memory balloon: as memory balloon support was
not the scope of the test being changed, there is no loss
of test coverage from doing so.
Several occurrences of the legacy PCI controllers remain in
the test suite, both because removing their usage would have
required even more tweaking, and because we still want to
have coverage of this perfectly valid combination.
When switching over the values in the virDomainControllerModelPCI
enumeration, make sure the proper cast is in place so that the
compiler can warn us when the coverage is not exaustive.
For the same reason, remove the 'default' case from one of the
existing switch statements.
When switching over the values in the virDomainControllerModelPCI
enumeration, make sure the proper cast is in place so that the
compiler can warn us when the coverage is not exaustive.
For the same reason, fold some unstructured checks (performed by
comparing directly against some values in the enumeration) inside
an existing switch statement.
The switch in virDomainPCIControllerModelToConnectType()
had some code that, while techically part of the
_PCIE_SWITCH_DOWNSTREAM_PORT case, was in fact dead due
to the early return.
Get rid of the dead code, and fix the inaccurate function
description while at it.
mknod() is affected my the current umask, so we're not
guaranteed the newly-created device node will have the
right permissions.
Call chmod(), which is not affected by the current umask,
immediately afterwards to solve the issue.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1421036
For the namespaces feature to work properly we need to be able
to make a perfect copy of the original /dev, including ACLs.
By adding a BuildRequires on libacl-devel we ensure that ACL
support will be enabled at configure time and made available
to the QEMU driver.
In order for memory locking to work, the hard limit on memory
locking (and usage) has to be set appropriately by the user.
The documentation mentions the requirement already: with this
patch, it's going to be enforced by runtime checks as well,
by forbidding a non-compliant guest from being defined as well
as edited and started.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1316774
Updating docs/news.xml in the same commit that performs the
documented change makes backports needlessly complicated,
both for mainteinance branches and downstream distributions,
because it introduces additional potential for merge
conflicts.
Document in the contributor guidelines that the release notes
should be updated in a separate commit instead, so that it's
easy to backport just the code change.
The recent deprecation in glibc (commit b76e065991ec) means the
module will fail to build entirely:
nss/libvirt_nss.c: In function '_nss_libvirt_gethostbyname_r':
nss/libvirt_nss.c:363:13: error: RES_USE_INET6 is deprecated [-Werror]
int af = ((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This resolver option was removed shortly after being introduced,
and application using it are already broken anyway.
Now that we have built a fairly solid process for dealing with
release notes, we should start pushing for contributors to
provide the relevant information along with their code:
documenting the process is clearly a requirement for this to
happen.
Instead of encoding formatting information inside the
corresponding XSLT stylesheet, use a Python script to reformat
the text appropriately based on a few simple markers.
Splitting the task between the XSLT stylesheet and the Python
script allows us to keep both parts very simple.
Currently, building the NEWS file involves using a XSLT stylesheet
to extract information from the same HTML file that's used on the
libvirt website.
The process works, but it's quite fiddly in that it requires the
source HTML to be formatted in a very precise way, and a single
missing newline can mess up the resulting plain text considerably.
Moreover, the XSLT stylesheet itself encodes a lot of the details
of converting to plain text in a way that's not necessarily easy
to understand, tweak or fix.
To improve the process, move all existing entries to a new XML
file that contains exactly the information we care about in a
simple structured format, and start generating both the HTML and
plain text versions of the release notes using XSLT stylesheets
that can now afford to be almost trivial.
virtio-pci is the way forward for aarch64 guests: it's faster
and less alien to people coming from other architectures.
Now that guest support is finally getting there (Fedora 24,
CentOS 7.3, Ubuntu 16.04 and Debian testing all support
virtio-pci out of the box), we'd like to start using it by
default instead of virtio-mmio.
Users and applications can already opt-in by explicitly using
<address type='pci'/>
inside the relevant elements, but that's kind of cumbersome and
requires all users and management applications to adapt, which
we'd really like to avoid.
What we can do instead is use virtio-mmio only if the guest
already has at least one virtio-mmio device, and use virtio-pci
in all other situations.
That means existing virtio-mmio guests will keep using the old
addressing scheme, and new guests will automatically be created
using virtio-pci instead. Users can still override the default
in either direction.
Existing tests such as aarch64-aavmf-virtio-mmio and
aarch64-virtio-pci-default already cover all possible
scenarios, so no additions to the test suites are necessary.
When generating the plain text version of the contributor
guidelines we add a ludicrous amount of vertical whitespace
in some spots. Tweak the XSLT stylesheet and regenerate the
now much better looking file.
When updating the source file in commit bd4f4d1686, I forgot
that we also store the generated plain text version in git and
didn't regenerate it.
I also missed one spot that required an additional <p> tag, so
fix both mistakes in one go.
Some of the <li> elements in the "General tips for contributing
patches" section were missing the corresponding inner <p> element,
so they ended up all lumped together.
Clang 3.9 refuses to compile the existing code with the
following error:
util/virfirewall.c:425:20: error: passing an object that undergoes
default argument promotion to 'va_start'
has undefined behavior [-Werror,-Wvarargs]
va_start(args, layer);
^
util/virfirewall.c:420:37: note: parameter of type 'virFirewallLayer'
is declared here
virFirewallLayer layer,
^
This happens because 'layer' is of type virFirewallLayer, which
is an enum type and not a standard type such as eg. void* or int.
To solve the issue, turn virFirewallAddRule() from a very thin
wrapper around virFirewallAddRuleFullV() to a macro that expands
to a call to virFirewallAddRuleFull() - itself a very thin wrapper
around the aforementioned virFirewallAddRuleFullV() - with no loss
of functionality or type safety.
LIBVIRT_ARG_WITH_ALT is more generic than LIBVIRT_ARG_WITH, which
is tailored at switching features on and off.
Rename the macros according to their intended purpose, and add
some documentation to help developers pick between the two.
We're going to change the format of the source HTML quite
a bit, and we're going to have to update the XSLT stylesheet
accordingly.
Move 2016 releases out of the way before doing so.
Add QMP schema data query for aarch64. The gic capabilities are
unfortunately queried after the QMP schema and thus this patch needs to
undo the temporary removal of the declared support for query-qmp-schema.
Note that as a gicv3 machine was not available the schema data is taken
from the gicv2 case. It should be identical since qemu would be built
from the same source.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Add QMP schema data query for aarch64. The gic capabilities are
unfortunately queried after the QMP schema and thus this patch needs to
undo the temporary removal of the declared support for query-qmp-schema.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Commit e8861f6971 changed our spec file to compile and run
tests in parallel. That's a very good step forward, but why
stop there? Let's run *all* make jobs in parallel and really
put those expensive cores to use!
On my laptop, this shaves ~10s off 'make rpm'.
${exec_prefix} and ${prefix} point to the same directory in
most setups, but when that's not the case the former should
be used for architecture-dependent data such as shared objects,
which makes it the best fit for our Wireshark dissector.
While at it, change all uses of $(var) to ${var}: they are
absolutely identicaly as far as make's concerned, but autoconf
itself seems to prefer the latter form so we might as well
follow suit.
We only need to strip $ws_prefix from $ws_plugindir if we've
retrieved it from pkg-config: if we're building it ourselves
from $libdir, we can just use it without further processing.
Since we're using autoconf to substitute the right value in
Makefile.am now, we can use a less generic name without running
into circular dependencies.
Adding $(prefix) in Makefile.am, as we were doing, means that
it would be prepended even when using --with-ws-plugindir,
which is something we don't want to happen.
Instead, we add it beforehand but take care that it doesn't
get expanded until make is called.
Even when we're building $plugindir ourselves because we can't
retrieve it using pkg-config, we still want to strip the prefix,
except in that case it would be the same prefix we're using for
building libvirt.
The fact that $plugindir is missing also doesn't tell us
anything about $ws_prefix, so we have to handle the two variables
separately.
We only claim support for OSs that are still supported by the
respective vendors, which means anything older than Fedora 23
is out. Reword the comment a bit to highlight the criteria.
The code is entirely correct, but it still managed to trip me
up when I first ran into it because I did not realize right away
that VIR_PCI_CONNECT_TYPES_ENDPOINT was not a single flag, but
rather a mask including both VIR_PCI_CONNECT_TYPE_PCI_DEVICE and
VIR_PCI_CONNECT_TYPE_PCIE_DEVICE.
In order to save the next distracted traveler in PCI Address Land
some time, document this fact with a comment. Add a test case for
the behavior as well.
The Requires relationship is very strong, in that it prevents
a unit from running unless all the units it Requires are
running as well.
This turns out to be a problem because we want to be able to
restart libvirtd at any time without having libvirt-guests
suspend or shutdown running guests.
Turn the Requires relationship into a Wants relationship:
this way starting libvirt-guests will cause systemd to (attempt
to) start libvirtd as well, but stopping or restarting libvirtd
will not alter libvirt-guests' running state.
Commit 839a060 tied the lifecycle of virtlogd more
closely to that of libvirtd. Unfortunately, while starting
virtlogd when libvirtd is started is definitely a good idea,
restarting virtlogd or shutting it down at any time outside
of system poweroff is not.
Revert part of that commit by removing the PartOf= lines,
meaning that only startup requests will be propagated from
libvirtd to virtlogd.
Resolves: https://bugzilla.redhat.com/1372576
Having After=libvirtd.service merely ensures that, if both
services are asked to start, libvirtd.service will start
first.
What we really want is for libvirtd.service to be started
whenever libvirt-guests.service is asked to start. Adding a
Requires= relationship guarantees that will happen.
We use a separate line for each After= relationship in other
unit files: do the same here for consistency's sake, and also
to make future changes nicer to diff
libvirt-guests.service does both suspend *and* resume guests,
depending on whether it's being started or stopped: the
description should reflect this, to avoid confusing messages
during startup.
Replace "active" with "running" (to match virsh list's output)
and don't capitalize libvirt.
We already guarantee that virtlogd.socket is enabled/disabled
along with libvirtd.service, but if libvirtd.service has just
been installed and is started before rebooting, then
virtlogd.socket will not be running and guest startup will
fail.
Add Requires=virtlogd.socket to libvirtd.service to make sure
virtlogd.socket is always started along with libvirtd.service,
and add Before=libvirtd.service to both virtlogd.socket and
virtlogd.service so that virtlogd never disappears before
libvirtd has exited.
Also add PartOf=libvirtd.service to both virtlogd.socket and
virtlogd.service, so that virtlogd can be shut down when not
needed.
Resolves: https://bugzilla.redhat.com/1372576
The first argument should be const char ** instead of
char **, because this is a search function and as such it
doesn't, and shouldn't, alter the haystack in any way.
This change means we no longer have to cast arrays of
immutable strings to arrays of mutable strings; we still
have to do the opposite, though, but that's reasonable.
Since we now pick the default USB controller model when parsing
the guest XML, we can get rid of some duplicated code so that
the default model selection happens in one place only.
Add some comments as well.
Now that the default USB controller model is explicit rather
than implicit for i440fx machines, we have to tweak the
conditions for dropping it in order to keep migration towards
libvirt <= 0.9.4 working.
When the user doesn't specify any model for a USB controller,
we use an architecture-dependent default, but we don't reflect
it in the guest XML.
Pick the default USB controller model when parsing the guest
XML instead of when creating the QEMU command line, so that
our choice is saved back to disk.
A bunch of cases were only being tested for WHEN_ACTIVE or
WHEN_INACTIVE. Use WHEN_BOTH for all except the very few that
actually require the existing setup.
The symbol being missing has been reported as causing build
failures on OS X. If it's not already defined, define it to
zero so that it won't have any effect.
virConfGetValueLLong() errors out if the value is too big to
fit into a long long integer, but claims the supported range
to be (0,LLONG_MAX) instead of (LLONG_MIN,LLONG_MAX).
When parsing numeric values, we always store them as unsigned
unless they're negative. We can use this fact to simplify the
logic by removing a bunch of unnecessary checks.
Commit 6381c89f8c changed virConfValue to store long long
integers instead of long integers; however, the temporary variable
used in virConfParseLong() was not updated accordingly, causing
trouble for 32-bit machines.
Commit ca10bb040f introduced a new test that fails to build
on at least some architectures:
commandtest.c: In function 'test25':
commandtest.c:1121:5: error: comparison is always true due to
limited range of data type [-Werror=type-limits]
if (rv >= 0) {
^
Change the type of 'rv' from char to int, which is the proper
return type for virCommandExec() anyway.
Commit ffc49e579c broke syntax-check:
cppi: libvirt.spec.in: line 622: not properly indented
cppi: libvirt.spec.in: line 624: not properly indented
cppi: libvirt.spec.in: line 640: not properly indented
cppi: libvirt.spec.in: line 642: not properly indented
maint.mk: incorrect preprocessor indentation
cfg.mk:697: recipe for target 'sc_spec_indentation' failed
Indent the new conditionals properly.
An error in virHostCPUGetKVMMaxVCPUs() means we've been unable
to access /dev/kvm, or we're running on a platform that doesn't
support KVM in the first place.
If that's the case, we shouldn't ignore the error and report
domcapabilities even though we know the user won't be able to
start any KVM guest.
If we don't HAVE_LINUX_KVM_H, we can't query /dev/kvm to discover
the limits on the number of vCPUs, so we report an error and
return a negative value instead.
Due to the way the hardware works, KVM on ppc64 always requires
memory locking; however, that is not the case for non-KVM ppc64
guests, eg. ppc64 guests that are running on x86_64 with TCG.
Only require memory locking for ppc64 guests if they are using
KVM or, as it's the case for all architectures, they have host
devices assigned using VFIO.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1350772
Commit cf0568b0af moved a bunch of functions from virNetDev
to the more specific virNetDevIP; however, not all of the
existing uses were moved properly, causing build failures on
FreeBSD.
Complete the transition to the new names and drop the
obsolete declarations from the header file while at it.
Andrea Bolognani