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Require the option name for this argument as otherwise a part of the
'cmd' argument will be claimed.
Fixes: 43edde82af
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Add support for sending one FD from the client along with a monitor
command so that it's possible to use 'getfd' and 'add-fd' to use FDs
passed from the client with other QMP commands.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This API has the same semantics as 'virDomainQemuMonitorCommand' but
accepts file descriptors which are then forwarded to qemu.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The helper splits out the clearing of the FDs transacted inside a
virNetMessage.
APIs transacting FDs both from and to the client at the same time will
need to clear the FDs stored in virNetMessage as the structure is
re-used for the reply and without clearing the list of FDs we'd return
the FDs sent by the client in addition to the new FDs sent by the API.t
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'qemuDomainPrepareDiskSourceData' propagates 'detect_zeroes' only for
the disk source image, but the mirror destination has the ambition to
replace the disk source when the job is finished, so we need to
propagate the 'detect_zeroes' setting also in that case.
Unfortunately it would become very hairy to either set 'disk->mirror'
sooner or propagate that we want this done into
'qemuDomainPrepareDiskSourceData', so the most straightforward solution
is to do the propagation inside 'qemuDomainBlockCopyCommon'.
Closes: https://gitlab.com/libvirt/libvirt/-/issues/277
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
It makes no sense to have 'started' variable in the
libxlDomainJobObj as the same one is already in virDomainJobData,
but never used.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Updated by "Update PO files to match POT (msgmerge)" hook in Weblate.
Translation: libvirt/libvirt
Translate-URL: https://translate.fedoraproject.org/projects/libvirt/libvirt/
Co-authored-by: Weblate <noreply@weblate.org>
Signed-off-by: Fedora Weblate Translation <i18n@lists.fedoraproject.org>
Currently the 'nvram_template' entry is mandatory when parsing the
firmware descriptor based on flash. QEMU is extending the firmware
descriptor spec to make the 'nvram_template' optional, depending
on the value of a new 'mode' field:
- "split"
* "executable" contains read-only CODE
* "nvram_template" contains read-write VARS
- "combined"
* "executable" contains read-write CODE and VARs
* "nvram_template" not present
- "stateless"
* "executable" contains read-only CODE and VARs
* "nvram_template" not present
In the latter case, the guest OS can write vars but the
firmware will make no attempt to persist them, so any changes
will be lost at poweroff.
For now we parse this new 'mode' but discard any firmware
which is not 'mode=split' when matching for a domain.
In the tests we have a mixture of files with and without the
mode attribute.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When undefining a VM, we must optionally delete any NVRAM that might
exist. When using firmware auto-select we always check the generated
path, ignoring any user specified path.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
By using the auto-generated NVRAM path in test data files, we won't see
bugs where a user specified path gets accidentally overwritten by a
post-parse callback, or VM startup. For example, this caused us to miss
the bug fixed by:
commit 24adb6c7a6
Author: Michal Prívozník <mprivozn@redhat.com>
Date: Wed Feb 23 08:50:44 2022 +0100
qemu: Don't regenerate NVRAM path if parsed from domain XML
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Commit 4e42686ade wrongly assumed how g_variant_new_parsed() works and broke
starting of domains on systems with systemd (machined).
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
After v8.0.0-466-g08101bde5d we unconditionally regenerate per
domain NVRAM path even though it might have been parsed earlier
from domain XML. The way we do that leads to a memleak:
43 bytes in 1 blocks are definitely lost in loss record 330 of 682
at 0x483F7E5: malloc (vg_replace_malloc.c:381)
by 0x50D5B18: g_malloc (in /usr/lib64/libglib-2.0.so.0.7000.2)
by 0x50EFA4F: g_strdup (in /usr/lib64/libglib-2.0.so.0.7000.2)
by 0x49E774E: virXPathString (virxml.c:88)
by 0x4A3F0E4: virDomainDefParseBootLoaderOptions (domain_conf.c:18226)
by 0x4A3F49C: virDomainDefParseBootOptions (domain_conf.c:18298)
by 0x4A448C3: virDomainDefParseXML (domain_conf.c:19598)
by 0x4A487A1: virDomainDefParseNode (domain_conf.c:20404)
by 0x117FCF: testCompareXMLToArgv (qemuxml2argvtest.c:726)
by 0x142124: virTestRun (testutils.c:142)
by 0x1423D4: virTestRunLog (testutils.c:197)
by 0x140A76: mymain (qemuxml2argvtest.c:3406)
If we parsed NVRAM path from domain XML we must refrain from
generating new path.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Currently translated at 22.9% (2396 of 10455 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>
In case when a user starts a block copy operation with
VIR_DOMAIN_BLOCK_COPY_SHALLOW and VIR_DOMAIN_BLOCK_COPY_REUSE_EXT and
both the reused image and the original disk have a backing image libvirt
specifically does not insert the backing image until after the job is
asked to be completed via virBlockJobAbort with
VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT.
This is so that management applications can copy the backing image on
the background.
Now when a user aborts the block job instead of cancelling it we'd
ignore the fact that we didn't insert the backing image yet and the
cancellation would result into a 'blockdev-del' of a invalid node name
and thus an 'error' severity entry in the log.
To solve this issue we use the same conditions when the backing image
addition is avoided to remove the internal state for them prior to the
call to unplug the mirror destination.
Reported-by: Kashyap Chamarthy <kchamart@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When building the default memory backend (which has id='pc.ram')
and no guest NUMA is configured then
qemuBuildMemCommandLineMemoryDefaultBackend() is called. However,
its return value is ignored which means that on invalid
configuration (e.g. when non-existent hugepage size was
requested) an error is reported into the logs but QEMU is started
anyway. And while QEMU does error out its error message doesn't
give much clue what's going on:
qemu-system-x86_64: Memory backend 'pc.ram' not found
While at it, introduce a test case. While I could chose a nice
looking value (e.g. 4MiB) that's exactly what I wanted to avoid,
because while such value might not be possible on x84_64 it may
be possible on other arches (e.g. ppc is notoriously known for
supporting wide range of HP sizes). Let's stick with obviously
wrong value of 5MiB.
Reported-by: Charles Polisher <chas@chasmo.org>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This is to make it explicit that the template only applies to the NVRAM
store, not the main loader binary, even if the loader is writable.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Before creating a NVRAM path, the qemuDomainNVRAMPathGenerate
method checks whether the config is using the old style
firmware approach. This check is redundant in one of the two
callers. By inlining the check into the other caller, it makes
it clearer to understand that the NVRAM path filling is done
conditionally.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This demonstrates that
<os>
<loader readonly='yes' type='pflash'>/usr/share/OVMF/OVMF_CODE.fd</loader>
<nvram template="/usr/share/OVMF/OVMF_VARS.fd"/>
</os>
gets expanded to give a per-VM NVRAM path.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The following is expected to raise an error:
<os>
<loader readonly='yes' type='pflash'/>
</os>
because no path to the pflash loader is given and there is
no default built-in.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Since libvirt-guests script/service can operate on various URIs and we do
support both socket activation and traditional services, the ordering should be
specified for all the possible sockets and services.
Also remove the Wants= dependency since do not want to start any service. We
cannot know which one libvirt-guests is configured, so we'd have to start all
the daemons which would break if unused colliding services are not
masked (libvirtd.service in the modular case and all the modular daemon service
units in the monolithic scenario). Fortunately we can assume that the system is
configured properly to start services/sockets that are of interest to the user.
That also works with the setup described in https://libvirt.org/daemons.html .
To make it even more robust we add the daemon service into the machine units
created for individual domains as it was missing there.
https://bugzilla.redhat.com/show_bug.cgi?id=1868537
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There are some enums that are declared in qemu_monitor.h but
implemented in qemu_monitor_json.c. While from compiler and
linker POV it doesn't matter, the code is cleaner if an enum is
implemented in .c file that corresponds to .h file which declared
the enum.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Our last default template had a match of "node()" which incidentally matched
everything, including text nodes. Since this has the same priority according to
the XSLT spec, section 5.5:
https://www.w3.org/TR/1999/REC-xslt-19991116#conflict
this is an error. Also according to the same spec section, the XSLT processor
may signal the error or pick the last rule.
This was uncovered with libxslt 1.1.35 which contains the following commit:
b0074eeca3
which makes the build fail with:
runtime error: file ../docs/page.xsl line 223 element element
xsl:element: The effective name '' is not a valid QName.
because our last rule also matches text nodes and we are trying to extract the
node name out of them.
To fix this we change the match to "*" which only matches elements and not all
the nodes, and to avoid any possible errors with different XSLT processors we
also bump the priority of the match="text()" rule a little higher, just in case
someone needs to use an XSLT processor that chooses signalling the error instead
of the optional recovery.
https://bugs.gentoo.org/833586
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
The Libvirt API virDomainStartDirtyRateCalc was extended.
Document this change.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Using the following spatch, I've identified two places which
could be switched from explicit virDomainObjIsActive() +
virReportError() to virDomainObjCheckActive():
@@
expression dom;
@@
if (
- !virDomainObjIsActive(dom)
+ virDomainObjCheckActive(dom) < 0
) {
- virReportError(VIR_ERR_OPERATION_INVALID, "%s", _("domain is not running"));
...
}
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add calc_mode for dirtyrate statistics retured by
virsh domstats --dirtyrate api, also add vcpu dirtyrate
if dirty-ring mode was used in last measurement.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Extend domdirtyrate-calc virsh api with mode option, either
of these three options "page-sampling,dirty-bitmap,dirty-ring"
can be specified when calculating dirty page rate.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Extend flags parameter of virDomainStartDirtyRateCalc as a
superset of virDomainDirtyRateCalcFlags, parse the flags and
handle it correspondingly in qemuDomainStartDirtyRateCalc.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add mode parameter to qemuDomainStartDirtyRateCalc API, 'mode'
option of 'calc-dirty-rate' command was introduced since
qemu >= 6.2.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Introduce virDomainDirtyRateCalcFlags to get ready for
adding mode parameter to qemuDomainStartDirtyRateCalc.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Probing QEMU_CAPS_CALC_DIRTY_RATE capability in advance
in case of failure when calculating dirty page rate.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Commit cc2a3c2a94 missed one case in the libxl driver where virDomainDef
is returned from libxlDomainSaveImageOpen and a g_steal_pointer is needed.
Without it, the virDomainDef object is freed and the driver crashes later
in the restore process when accessing the object.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Calculate the length of the FD list beforehand to avoid multiple
expansions and mainly simplify the code and use automatic freeing to
remove the error code path.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Commit b56a833243 removed bunch of old code after which
'demo_socket_path' in 'testActivationFDNames' is no longer used
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
The systemd version in RHEL-7 lacked support for the LISTEN_FDNAMES env
variable with socket activation. Since we stopped targetting RHEL-7 we
can drop some considerable amount of compatibility code.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
All APIs using FD passing have this check to prevent sending a
'VIR_NET_CALL_WITH_FDS' to an older daemon but
virDomainCreateXMLWithFiles was missing it.
Now the LXC driver was historically not exposing
VIR_DRV_FEATURE_FD_PASSING, but that is not a problem as LXC always goes
through the remote driver which intercepts it and injects
VIR_DRV_FEATURE_FD_PASSING when it was implemented.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
The feature implies that fd passing works with RPC. Non-remote impls
thus should always report support.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
The fix was on RPC level so everything should advertise it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
