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Just like virhostdev, this depends on domain_conf and
it's shared by multiple hypervisor drivers.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This module depends on domain_conf and is used directly by various
hypervisor drivers.
Move it to src/hypervisor.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Currently they live in util/virhostdev.
However the virhostdev module is wrongly placed
in util, which is below conf/ in our hierarchy.
Move the functions that are actually used in conf/
to conf/ and remove the include of virhostdev.h
from domain_conf.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There are two environment variables that are baked into our
cross-compilation container images at build time, $CONFIGURE_OPTS
and $PKG_CONFIG_LIBDIR: the former contain the options necessary
to convince configure to perform a cross build rather than a
native one, and the latter is necessary so that pkg-config will
locate the .pc files for MinGW libraries. Container images that
are not intended for cross-compilation will not have either one
defined.
The problem is that, while an empty $CONFIGURE_OPTS is completely
harmless, setting $PKG_CONFIG_LIBDIR to an emtpy value will
result in pkg-config not looking in its default search path, thus
not finding any library, and subsequently breaking native builds.
To work around this issue, only pass $PKG_CONFIG_LIBDIR to sudo
when the value is set in the calling environment.
Fixes: 71517ae4db
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Take the format of the backing store from the 'meta' object directly and
use g_steal_pointer to steal the path.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When we create the new virStorageSource from the definitions stored in
the parent we should also use the 'backingStoreRawFormat' field to
populate the format.
Callers which use virStorageSourceNewFromBacking are also fixed to stop
setting the format manually.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We store the backing file string in the structure so we should also
store the format so that callers can be simplified.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Both callers pass false. Since we frown upon format probing, remove the
unused possibility to do the probing.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We create some images for testing our code. We've recorded wrong format
of the backing file for one of the images though.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Configuring vhost-user-gpu like:
<video>
<driver name='vhostuser'/>
<model type='virtio' heads='1'/>
</video>
Triggers an apparmor denial like:
apparmor="DENIED" operation="exec" profile="libvirtd"
name="/usr/lib/qemu/vhost-user-gpu" pid=888257 comm="libvirtd"
requested_mask="x" denied_mask="x" fsuid=0 ouid=0
This helper is provided by qemu for vhost-user-gpu and thereby being
in the same path as qemu_bridge_helper. Due to that adding a rule allowing
to call uses the same path list.
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
When using command line passthrough users will often trip up over the
security protections like SELinux, DAC, namespaces, etc which will
deny access to files they are passing. This document explains the
various protections and how to deal with their policy, and/or how
to disable them.
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The backend name is memory-backend-memfd but we've been checking
for memory-backend-memory.
Reported by GCC on rawhide:
../../../src/internal.h:75:22: error: 'strcmp' of a string of length 21 and
an array of size 21 evaluates to nonzero [-Werror=string-compare]
../../../src/qemu/qemu_command.c:3525:20: note: in expansion of macro 'STREQ'
3525 | } else if (STREQ(backendType, "memory-backend-memory") &&
| ^~~~~
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: 24b74d187c
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Now that we treat MinGW like any other cross-build target, we
should update our Travis CI configuration.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
For container images targeted at cross-building, we bake a small
amount of architecture-specific information in the environment so
that builds can work as expected without requiring additional work
from the user; unfortunately this information got lost as soon as
we called sudo. Explicitly allow it.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
While we have CI testing coverage for many platforms, we don't test any
non-glibc based Linux and there are other non-Linux platforms we don't
officially target, both of which might hit regressions.
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The table of contents in the RST based files uses <p> tags inside the
<li>, which results in 1em's worth of spacing above & below each
entry. This results in way too much whitespace in the ToC.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
If PrlVmDev_GetType(), PrlVmDev_GetIndex() or PrlVmCfg_GetBootDevCount()
fails, return false to indicate error. Returning -1 would be interpreted
as true when used in an if-statement.
Fixes: 8c9252aa6d
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The order of arguments were not the same in the definition and
declaration. All callers use the same order as the definition, so there
is no bug, but change the function declaration to match the
implementation to avoid confusion.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
To more closely match the previous usage in virEventPollDispatchHandles,
where called the handle callback for any revents returned by poll.
This should fix the virtlogd error on subsequent domain startup:
error: can't connect to virtlogd: Cannot open log file:
'/var/log/libvirt/qemu/f28live.log': Device or resource busy
as well as virtlogd spinning caused by virLogHandlerDomainLogFileEvent
never being called on hangup.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: f8ab47cb44
Fixes: 946a25274c
Tested-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
These were needed for virBhyveTapGetRealDeviceName
but were not deleted after the function was moved
to src/util.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: a1bd8d2546
Another vircgroup helper to avoid code repetition between
the LXC and QEMU driver.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
lxcDomainSetMemoryParameters() and qemuDomainSetMemoryParameters()
has duplicated chunks of code that can be put in a new
helper.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This new helper avoids more code repetition inside
lxcDomainSetBlkioParameters() and qemuDomainSetBlkioParameters().
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
After the introduction of virDomainDriverMergeBlkioDevice() in a
previous patch, it is now clear that lxcDomainSetBlkioParameters() and
qemuDomainSetBlkioParameters() uses the same loop to set cgroup
blkio parameter of a domain.
Avoid the repetition by adding a new helper called
virDomainCgroupSetupDomainBlkioParameters().
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
lxcDomainParseBlkioDeviceStr() and qemuDomainParseBlkioDeviceStr()
are the same function. Avoid code repetition by putting the code
in a new helper.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
lxcDomainMergeBlkioDevice() and qemuDomainMergeBlkioDevice()
are the same functions. This duplicated code can't be put in
the existing domain_cgroup.c since it's not cgroup related.
This patch introduces a new src/hypervisor/domain_driver.c to
host this more generic code that can be shared between virt
drivers. This new file is then used to create a new helper
called virDomainDeivceMergeBlkioDevice() to eliminate the code
repetition mentioned above. Callers in LXC and QEMU files
were updated.
This change is a preliminary step for more code reduction of
cgroup related code inside lxcDomainSetBlkioParameters() and
qemuDomainSetBlkioParameters().
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
qemuSetupCgroupVcpuBW() and lxcSetVcpuBWLive() shares the
same code to set CPU CFS period and quota. This code can be
moved to a new virCgroupSetupCpuPeriodQuota() helper to
avoid code repetition.
A similar code is also executed in virLXCCgroupSetupCpuTune(),
but without the rollback on error. Use the new helper in this
function as well since the 'period' rollback, if not a
straight improvement for virLXCCgroupSetupCpuTune(), is
benign. And we end up cutting more code repetition.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The code that calls virCgroupSetCpuShares() and virCgroupGetCpuShares()
is repeated in 4 different places. Let's put it in a new
virCgroupSetupCpuShares() to avoid code repetition.
There's a reason of why we execute a Get in the same value we
just executed Set, explained in detail by commit 97814d8ab3.
Let's add a gist of the reasoning behind it as a comment in
this new function as well.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The code from qemuSetupCgroupCpusetCpus() and virLXCCgroupSetupCpusetTune()
can be centralized in a new helper called virCgroupSetupCpusetCpus().
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
virLXCCgroupSetupMemTune() and qemuSetupMemoryCgroup() shares
duplicated code that can be put in a new helper to avoid
code repetition.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There is duplicated code between virt drivers that needs to
be moved to avoid code repetition. In the case of duplicated
code between lxc_cgroup.c and qemu_cgroup.c a common place
would be utils/vircgroup.c. The problem is that this would
introduce /conf related definitions that shouldn't be imported
to vircgroup.c, which is supposed to be a place for utilitary
cgroups functions only. And syntax-check would forbid it anyway
due to cross-directory includes being used.
An alternative would be to overload domain_conf.c, which already
contains all the definitions required. But that file is already
crowded with XML handling code and we wouldn't do any favors to
it by putting more utilitary, non-XML parsing/formatting code
there.
In [1], Cole suggested a 'domain_cgroup' file to host common code
between lxc_cgroup and qemu_cgroup, and Daniel suggested a
'src/hypervisor' dir to host these type of files. This patch
introduces src/hypervisor/domain_cgroup.c and, to get started,
introduces a new virDomainCgroupSetupBlkio() function to host shared
code between virLXCCgroupSetupBlkioTune() and qemuSetupBlkioCgroup().
[1] https://www.redhat.com/archives/libvir-list/2019-December/msg00817.html
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Previous patch moved all duplicated code that were setting
and getting BlkioDevice parameters to vircgroup.c. We can
turn them into static and spare a few symbols in
libvirt_private.syms.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There are code repetition of set() and get() blkio device
parameters across lxc and qemu files. Use the new vircgroup
helpers to trim the repetition a bit.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The current use of the functions that set and get
BlkioDevice attributes is doing a set(), followed by
a get() of the same parameter right after. This is done
because there is no guarantee that the kernel will accept
the desired value given by the set() call, thus we need to
execute a get() right after to get the actual value.
This patch adds helpers inside vircgroup.c to execute these
operations. Next patch will use these helpers to reduce
code repetition in LXC and QEMU files.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The inc.am Makfiles are included by src/Makefile.am.
Adjust the paths added to OPENRC_INIT_FILES_IN
accordingly.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: f4b1c020a2
These are missing files for OpenRC.
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The current documentation is fairly terse and not easy to decode
for someone who's not intimately familiar with the inner workings
of timer devices. Expand on it by providing a somewhat verbose
description of what behavior each policy will result in, as seen
from both the guest OS and host point of view.
This is lifted directly from QEMU commit
commit 2a7d957596786404c4ed16b089273de95a9580ad
Author: Andrea Bolognani <abologna@redhat.com>
Date: Tue Feb 11 19:37:44 2020 +0100
qapi: Expand documentation for LostTickPolicy
v4.2.0-1442-g2a7d957596
The original text also matched word for word the documentation
found in QEMU.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The variable is allocated, but never freed.
==119642== 29 bytes in 1 blocks are definitely lost in loss record 409 of 671
==119642== at 0x483579F: malloc (vg_replace_malloc.c:309)
==119642== by 0x5AB075F: __vasprintf_internal (in /lib64/libc-2.29.so)
==119642== by 0x57C1A28: g_vasprintf (in /usr/lib64/libglib-2.0.so.0.6000.7)
==119642== by 0x579A0CC: g_strdup_vprintf (in /usr/lib64/libglib-2.0.so.0.6000.7)
==119642== by 0x4AE6D58: vir_g_strdup_printf (glibcompat.c:197)
==119642== by 0x136EEE: qemuTestParseCapabilitiesArch (testutilsqemu.c:291)
==119642== by 0x138506: testQemuInfoSetArgs (testutilsqemu.c:763)
==119642== by 0x135FFF: mymain (qemuxml2argvtest.c:3093)
==119642== by 0x13A60E: virTestMain (testutils.c:839)
==119642== by 0x1368C2: main (qemuxml2argvtest.c:3121)
Fixes: 42b3e5b9e4
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The persistent alias name @persistent is allocated in
virDomainNetDefParseXML() but never freed.
==119642== 22 bytes in 2 blocks are definitely lost in loss record 178 of 671
==119642== at 0x483579F: malloc (vg_replace_malloc.c:309)
==119642== by 0x58F89F1: xmlStrndup (in /usr/lib64/libxml2.so.2.9.9)
==119642== by 0x4BA3B74: virXMLPropString (virxml.c:520)
==119642== by 0x4BDB0C5: virDomainNetDefParseXML (domain_conf.c:11876)
==119642== by 0x4BF9EF4: virDomainDefParseXML (domain_conf.c:21196)
==119642== by 0x4BFCD5B: virDomainDefParseNode (domain_conf.c:21943)
==119642== by 0x4BFCC36: virDomainDefParse (domain_conf.c:21901)
==119642== by 0x4BFCCCB: virDomainDefParseFile (domain_conf.c:21924)
==119642== by 0x114A9D: testCompareXMLToArgv (qemuxml2argvtest.c:452)
==119642== by 0x13894F: virTestRun (testutils.c:143)
==119642== by 0x11F46E: mymain (qemuxml2argvtest.c:1316)
==119642== by 0x13A60E: virTestMain (testutils.c:839
Fixes: fb0509d06a
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The privateData object is allocated in virDomainFSDefNew() but
never unref'd.
==119642== 480 bytes in 20 blocks are definitely lost in loss record 656 of 671
==119642== at 0x4837B86: calloc (vg_replace_malloc.c:762)
==119642== by 0x57806A0: g_malloc0 (in /usr/lib64/libglib-2.0.so.0.6000.7)
==119642== by 0x4AE7392: virAllocVar (viralloc.c:331)
==119642== by 0x4B64395: virObjectNew (virobject.c:241)
==119642== by 0x48F1464: qemuDomainFSPrivateNew (qemu_domain.c:1427)
==119642== by 0x4BBF004: virDomainFSDefNew (domain_conf.c:2307)
==119642== by 0x4BD859A: virDomainFSDefParseXML (domain_conf.c:11217)
==119642== by 0x4BF9DD1: virDomainDefParseXML (domain_conf.c:21179)
==119642== by 0x4BFCD5B: virDomainDefParseNode (domain_conf.c:21943)
==119642== by 0x4BFCC36: virDomainDefParse (domain_conf.c:21901)
==119642== by 0x4BFCCCB: virDomainDefParseFile (domain_conf.c:21924)
==119642== by 0x114A9D: testCompareXMLToArgv (qemuxml2argvtest.c:452)
Fixes: 5120577ed7
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
