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When no VIR_DOMAIN_SAVE_PARAM_FILE typed param is set when
calling virDomainSaveParams() then in turn virQEMUFileOpenAs()
tries to open a NULL path.
We have two options now:
1) require the typed param, which in turn may be promoted to a
regular argument, or
2) use this opportunity to make the API behave like
virDomainManagedSave() and use typed params to pass extra
arguments, instead of having to invent new managed save API
with typed params.
Let's go with option 2, as it is more future proof.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The code that actually does managed save within
qemuDomainManagedSave() is going to be reused shortly. Move it
out into a separate helper.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The qemu-vdagent channel is introduced since:
"05b09f039e conf: add qemu-vdagent channel"
It will be in the version 8.4.0.
Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
The qemuDomainManagedSavePath() function does no more than a
g_strdup_printf() and as such can't return NULL really.
Therefore, don't check for its return value.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Every running QEMU process we are willing to reconnect (i.e., at least
3.1.0) supports migration events and we can assume the capability is
already enabled since last time libvirt daemon connected to its monitor.
Well, it's not guaranteed though. If libvirt 1.2.17 or older was used to
start QEMU 3.1.0 or newer, migration events would not be enabled. And if
the user decides to upgrade libvirt from 1.2.17 to 8.4.0 while the QEMU
process is still running, they would not be able to migrate the domain
because of disabled migration events. I think we do not really need to
worry about this scenario as libvirt 1.2.17 is 7 years old while QEMU
3.1.0 was released only 3.5 years ago. Thus a chance someone would be
running such configuration should be fairly small and a combination with
upgrading 1.2.17 to 8.4.0 (or newer) with running domains should get it
pretty much to zero. The issue would disappear ff the ancient libvirt is
first upgraded to something older than 8.4.0 and then to the current
libvirt.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
All QEMU versions we care about support migration events and we should
be able to enable the associated capability when connecting to the
monitor. Failure to do so is thus considered fatal now.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The code was a bit too complicated, especially after removing the check
for QEMU_CAPS_MIGRATION_EVENT.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
All QEMU versions we care about already support migration events.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
YAML anchors don't work with Shell condition structures, so we cannot
simply reference the QEMU build template YAML anchor conditionally and
hence have everything as part of a single job template.
Instead, we have to "subclass" the .integration_tests template and
inject the QEMU building bits explicitly.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This was heavily inspired by QEMU's upstream CI buildtest-template.yml.
Rather than referencing QEMU's template directly (which GitLab can do),
this patch resorts to hard-coding the build steps ourselves, solely
because there's no guarantee QEMU will keep either the template file
name or the template name from which the build steps were mostly copied
from.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
There's quite a lot happening in the .integration_tests template
already even without adding upstream QEMU build into the mix.
Let's break the template into more pieces which can then reference
in the .integration_tests template when putting all the pieces back
together using YAML anchors.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Future patches will do more code extraction from the existing template
using YAML anchors so it'd be better that the templates would live
separately from job definitions.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
A few commits ago new APIs were introduced (virDomainSaveParams()
and virDomainRestoreParams()) and with them new typed parameters:
VIR_SAVE_PARAM_FILE and VIR_SAVE_PARAM_DXML. But their name does
not suggest they apply to either of the APIs nor that they are
intended for domain related APIs. Switch to
VIR_DOMAIN_SAVE_PARAM prefix to make it obvious.
It's true we already have VIR_DOMAIN_SAVE_* symbols which are
part of virDomainSaveRestoreFlags enum, therefore stick also with
'_PARAM_ ' part of the name to differentiate the two.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
For most of them qemu errors out with unclear message, and for the
audiodev qemu just falls back to timer-based audio with a warning
message, and will possibly also error out in the future.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2035163
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It will be used in future patch in multiple places.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Everything spice is not supported (and does not make sense) without spice
graphics. For some tests I also added cirrus VGA capability so that the XML
stays simple and libvirt can guess a default video model rather than adding too
much of an irrelevant XML into the individual tests.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This old test was added by me to allow people to keep the spicevmc
channel while changing graphics type from spice to something else.
However we do not do this in other places and also now we have all the
Validate functions so it is better to show the user they will not have
the spicevmc channel available rather than simply not formatting it on
the qemu command line.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
After previous cleanup the 'error' label in
qemuDomainObjPrivateXMLParse() contains nothing but a return
statement. Well, the label can be dropped and all 'goto'-s can be
replaced with the return statement directly.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The qemuDomainObjPrivateXMLParse() is responsible for parsing
given XML into qemuDomainObjPrivate struct. As it does so, memory
might be allocated for some members. If an error occurs during
parsing the control jumps onto 'error' label where only some of
previously allocated memory is freed. The reason there's no
memory leak is simple: the only caller (virDomainObjParseXML())
unrefs freshly created virDomainObj which in turn causes
qemuDomainObjPrivateFree() to be called. Therefore, these
partial, selective frees are needless and should be just dropped.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Now that qemuDomainObjPrivate struct gained new member format it
into XML and parse it so that the value is preserved across
daemon restarts.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Since v1.3.0-90-gafbe1d4c56 the original value of memlock limit
is stored inside virDomainObj struct directly (under
originalMemlock member). This is needless because the value is
used only inside QEMU driver and thus can reside in
qemuDomainObjPrivate struct.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Add the ability to configure a qemu-vdagent in guest domains. This
device is similar to the spice vdagent channel except that qemu handles
the spice-vdagent protocol messages itself rather than routing them over
a spice protocol channel.
The qemu-vdagent device has two notable configuration options which
determine whether qemu will handle particular vdagent features:
'clipboard' and 'mouse'.
The 'clipboard' option allows qemu to synchronize its internal clipboard
manager with the guest clipboard, which enables client<->guest clipboard
synchronization for non-spice guests such as vnc.
The 'mouse' option allows absolute mouse positioning to be sent over the
vdagent channel rather than using a usb or virtio tablet device.
Sample configuration:
<channel type='qemu-vdagent'>
<target type='virtio' name='com.redhat.spice.0'/>
<source>
<clipboard copypaste='yes'/>
<mouse mode='client'/>
</source>
</channel>
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This enumeration will be useful for vnc with the upcoming qemu-vdagent
device so make the name more generic.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Detect whether qemu supports the qemu-vdagent character device. This
enables support for copy/paste with VNC graphics.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Notable schema changes:
- 'cluster-id' is now reported for CPU topology
- 'display-update' QMP command added
- 'main-loop' QOM object added with a whole set of properties
- 'cpu0-id' field reported in SEV data
- 'blockdev-change-medium' command now has 'force' property
- 'screendump' QMP command now has a 'format' property
- supported formats are 'ppm' and 'png'
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Validate the domain configuration to ensure that if there are more than
one vgpu assigned to a domain, only one of them has 'ramfb' enabled.
This was never a supported configuration. QEMU failed confusingly when
attempting to start a domain with this configuration. This change
attempts to provide better information about the error.
https://bugzilla.redhat.com/show_bug.cgi?id=2079760
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
There's no real difference between
qemuSecurityStartVhostUserGPU() and qemuSecurityCommandRun(). The
latter is used more frequently while the former has just one
user. Therefore, drop the less frequently used one.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There are no major changes since 7.0.0-rc2, but a few additional
features are enabled in this build.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
The parameters of self.warning is inconsistent with its definition, So
fix it.
Signed-off-by: luzhipeng <luzhipeng@cestc.cn>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Currently translated at 22.8% (2385 of 10419 strings)
Translation: libvirt/libvirt
Translate-URL: https://translate.fedoraproject.org/projects/libvirt/libvirt/fi/
Co-authored-by: Jan Kuparinen <copper_fin@hotmail.com>
Signed-off-by: Jan Kuparinen <copper_fin@hotmail.com>
While we don't want to aim for the shortest list of disabled features in
the baseline result (it would select a very old model), we want to do so
while looking at any of the input models for which we're trying to
compute a baseline CPU model. Given a set of input models, we always
want to take the least capable one of them (i.e., the one with shortest
list of disabled features) or a better model which is not one of the
input models.
So when considering an input model, we just check whether its list of
disabled features is shorter than the currently best one. When looking
at other models we check both enabled and disabled features while
penalizing disabled features as implemented by the previous patch.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
For finding the best matching CPU model for a given set of features
while we don't know the CPU signature (i.e., when computing a baseline
CPU model) we've been using a "shortest list of features" heuristics.
This works well if new CPU models are supersets of older models, but
that's not always the case. As a result it may actually select a new CPU
model as a baseline while removing some features from it to make it
compatible with older models. This is in general worse than using an old
CPU model with a bunch of added features as a guest OS or apps may crash
when using features that were disabled.
On the other hand we don't want to end up with a very old model which
would guarantee no disabled features as it could stop a guest OS or apps
from using some features provided by the CPU because they would not
expect them on such an old CPU.
This patch changes the heuristics to something in between. Enabled and
disabled features are counted separately so that a CPU model requiring
some features to be disabled looks worse than a model with fewer
disabled features even if its complete list of features is longer. The
penalty given for each additional disabled feature gets bigger to make
longer list of disabled features look even worse.
https://bugzilla.redhat.com/show_bug.cgi?id=1851227
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It will become more complicated and so it deserves to be separated into
a new function.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Checking the signature in two different places makes no sense since the
code in between can only mark the candidate as the best option so far,
which is what the second signature match does as well.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
These ancient RHEL-only CPU models should not really be used by any CPU
definition created by libvirt. We keep them just for backwards
compatibility with domains which might still be using them.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
in preparation for the addition of DomainRestoreParams,
add it to the list of methods requiring a conn first argument.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
