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Since we already have such support for libxl all we need is qemu
driver adjustment. And a test case.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This capability says if qemu is capable of specifying distances
between NUMA nodes on the command line. Unfortunately, there's no
real way to check this and thus we have to go with version check.
QEMU introduced this in 0f203430dd8 (and friend) which was
released in 2.10.0.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
The function returns true/false depending on distance
configuration being present in the domain XML.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
There's no point in checking if numa->mem_nodes[node].ndistances
is set if we check for numa->mem_nodes[node].distances. However,
it makes sense to check if the sibling node (@cellid) caller
passed falls within boundaries.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
When QEMU dies, we read its output stored in a log file and use it for
reporting a hopefully useful error. However, virReportError will trim
the message to (VIR_ERROR_MAX_LENGTH - 1) characters, which means the
end of the log (which likely contains the error message we want to
report) may get lost. We should trim the beginning of the log instead.
https://bugzilla.redhat.com/show_bug.cgi?id=1335534
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
When reading QEMU log for reporting it as an error message, we want to
skip "char device redirected to" line. However, this string is not
printed at the beginning of a line, which means STRPREFIX will never
find it.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Still because of commit id 'fe8f1c8b' where we generate a REF for the
Register and that's transparent to the consumer (e.g. how would they
know they need to ensure that Deregister is called), thus the purpose of
this patch is to find a way to Deregister if it's determined that the
consumer hasn't by the time of the "last" REF we'd have.
This solution to this problem is to alter the processing to have the
remoteClientCloseFunc handle performing the Deregister calls instead of
the remoteClientFreeFunc because there's no way FreeFunc would be called
unless the Deregister was already called.
We have a check for backslash alignment that checks for two blanks preceding a
backslash. However there can be alignment done using a tabulator and in some
cases one might be enough. There are none currently, but I found out that was
the case before. at some point. so let's check for \t preceding the final
backslash as well.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Historically we've formatted a lot of the attributes of a disk (disk
geometry, etc) with -drive. Since we use -device now, they should be
formatted there. Extract them to a separate function for keeping
compatibility with SDcards which still use only -drive.
Start this by moving the geometry into a separate function.
When doing block commit we need to allow write for members of the
backing chain so that we can commit the data into them.
qemuDomainDiskChainElementPrepare was used for this which since commit
786d8d91b4 calls qemuDomainNamespaceSetupDisk which has very adverse
side-effects, namely it relabels the nodes to the same label it has in
the main namespace. This was messing up permissions for the commit
operation since its touching various parts of a single backing chain.
Since we are are actually not introducing new images at that point add a
flag for qemuDomainDiskChainElementPrepare which will refrain from
calling to the namespace setup function.
Calls from qemuDomainSnapshotCreateSingleDiskActive and
qemuDomainBlockCopyCommon do introduce new members all calls from
qemuDomainBlockCommit do not, so the calls are anotated accordingly.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1506072
According to the man page <interface-device> can be specified either by
name or MAC address, adjust the command's help accordingly.
Signed-off-by:ZhiPeng Lu <lu.zhipeng@zte.com.cn>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Since we don't pack symlinks we cannot have recursive loops in them. Since we
need one directory to be in tests/vircaps2xmldata/linux-caches/, instead of
creating a symlink, just move the files in that directory and adjust tests.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Because WARN_CFLAGS and COVERAGE_CFLAGS are not set globally, we
rely on each binary built to include WARN_CFLAGS/COVERAGE_CFLAGS.
But it is easy to forget those - e.g. libvirt_shell.la. However,
don't enable WARN_FLAGS (i.e. don't include AM_CFLAGS) for
wireshark plugin - parts of that code are generated and trigger
some warnings.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
There are couple of limitations when it comes to option types and
flags for the options. For instance, VSH_OT_STRING cannot have
VSH_OFLAG_REQ set (commit c7543a728). For some reason this is
checked in vshCmddefHelp() but not in vshCmddefCheckInternals().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1434451
Just like in 9324f67a57 we need to put default sata alias
(which is hardcoded to "ide", obvious, right?) onto the command
line instead of the one provided by user.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This function only queries domain @def. It doesn't change it.
Therefore it should take const pointer.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The compiler can warn us if we add a value to the
virDomainChrSerialTargetType enumeration but forget to handle
it properly in the code. Let's take advantage of that.
This commit is best viewed with 'git diff -w'.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Add a separate capability for the sclplmconsole device, and check it
specifically instead of using QEMU_CAPS_DEVICE_SCLPCONSOLE for that too.
Signed-off-by: Pino Toscano <ptoscano@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Give a better name to the capability for the sclpconsole device.
Signed-off-by: Pino Toscano <ptoscano@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Up until now we assumed the spapr-vty device would always be
present, which is not very nice. Check for its availability before
using it instead.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Current cleanup processing is ad-hoc at best - it's led to a couple of
strange and hard to diagnose timing problems and crashes.
So rather than perform cleanup in a somewhat random order, let's
perform cleanup in the exact opposite order of startup.
NB: It is possible that virNetlinkEventServerStart fails and we jump
to cleanup before driversInitialized has been set. That could leave
things inconsistent; however, resolution of that possibility is perhaps
more trouble than it's worth to handle.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Let's be sure we can get a Daemon object before the server object.
This is a more "orderly" way to do things since the svr object would
be added to the dmn object afterwards.
Starting from qemu 2.11, the `-device vmcoreinfo` will create a fw_cfg
entry for a guest to store dump details, necessary to process kernel
dump with KASLR enabled and providing additional kernel details.
In essence, it is similar to -fw_cfg name=etc/vmcoreinfo,file=X but in
this case it is not backed by a file, but collected by QEMU itself.
Since the device is a singleton and shouldn't use additional hardware
resources, it is presented as a <feature> element in the libvirt
domain XML.
The device is arm/x86 only for now (targets that support fw_cfg+dma).
Related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1395248
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This doesn't add very much value for now, but future test for virresctrl will
take information from vircaps2xmldata (since it is dependent on the same info
then why duplicate it) and this particular use case helps us cover bit more of
the code regarding proper formatting and handling errors. And one more test for
vircaps2xmltest doesn't hurt either.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This patch modifies some not yet used test data so that the adding a test using
this data is a clean patch and not an addition of huge file with some
adjustments in small files that will be hidden in the middle of that commit.
These changes include:
- Add system dir in vircaps2xmldata/linux-caches
Back when data for systems with resctrl support were added they had the
/sys/fs/system directory put into a system/ subdir of the test and
/sys/fs/resctrl in a resctrl/ subdir of that test. However, if we also want a
negative test for the resctrl (requesting allocation on a system that does not
support resctrl), we need one a test case with any sensible (with cache info)
system/ subdir and no resctrl/ one. Easiest way is to add a
system -> . symlink into existing test case.
- Change default group schemata for linux-resctrl and linux-resctrl-cdp
That way we can fit some allocation in.
- Remove one cache from resctrl-skx's schemata and make some room for
allocations
That system already has only one cache, so that file was wrong anyway. We
have a version with 2 caches already (linux-resctrl-skx-twocaches), so this
will also add variety to future tests.
- Add some empty allocation for resctrl-skx
Just to have slightly more coverage and variety. We can be sure nothing bad
happens if such allocation exists in case we have that in the tests.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Because the cache banks are initialized based on the order in which their
respective directories exist on the filesystem, they can appear in different
order. This is here mainly for tests because the cache directory might have
different order of children nodes and tests would fail otherwise. It should not
be the case with sysfs, but one can never be sure. And this does not take
almost any extra time, mainly because it gets initialized once per driver.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Sometimes the size of the bitmap matters and it might not be guessed correctly
when parsing from some type of input. For example virBitmapNewData() has Byte
granularity, virBitmapNewString() has nibble granularity and so on.
virBitmapParseUnlimited() can be tricked into creating huge bitmap that's not
needed (e.g.: "0-2,^99999999"). This function provides a way to shrink the
bitmap. It is not supposed to free any memory.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Already introduced in the past with 9479642fd3, but then renamed to
virBitmapIntersect by a908e9e45e. This time we'll really use it.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Our bitmaps can be represented as data (raw bytes for which we have
virBitmapNewData() and virBitmapToData()), human representation (list
of numbers in a string for which we have virBitmapParse() and
virBitmapFormat()) and hexadecimal string (for which we have only
virBitmapToString()). So let's add the missing complement for the
last one so that we can parse hexadecimal strings.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
