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https://bugzilla.redhat.com/show_bug.cgi?id=1434451
When testing user aliases it was discovered that for 440fx
machine type which has default IDE bus builtin, domain cannot
start if IDE controller has the user provided alias. This is
because for 440fx we don't put the IDE controller onto the
command line (since it is builtin) and therefore any device that
is plugged onto the bus must use the default alias.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
libvirt reports a fake NUMA topology in virConnectGetCapabilities
even if built without numactl support. The fake NUMA topology consists
of a single cell representing the host's cpu and memory resources.
Currently this is the case for ARM and s390[x] RPM builds.
A client iterating over NUMA cells obtained via virConnectGetCapabilities
and invoking virNodeGetMemoryStats on them will see an internal failure
"NUMA isn't available on this host" from virNumaGetMaxNode. An example
for such a client is VDSM.
Since the intention seems to be that libvirt always reports at least
a single cell it is necessary to return "fake" node memory statistics
matching the previously reported fake cell in case NUMA isn't supported
on the system.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Simply add the 5.2 SDK header to the existing unified framework. No
other special handling is needed as there's no API break between
existing 5.1 and the just added 5.2.
There was a recent report of the xen-xl converter not handling
config files missing an ending newline
https://www.redhat.com/archives/libvir-list/2017-October/msg01353.html
Commit 3cc2a9e0 fixed a similar problem when parsing content of a
file but missed parsing in-memory content. But AFAICT, the better
fix is to properly set the end of the content when initializing the
virConfParserCtxt in virConfParse().
This commit reverts the part of 3cc2a9e0 that appends a newline to
files missing it, and fixes setting the end of content when
initializing virConfParserCtxt. A test is also added to check
parsing in-memory content missing an ending newline.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
In 4f15707202 I've tried to make duplicates detection for
nested /dev mount better. However, I've missed the obvious case
when there are two same mount points. For instance if:
# mount --bind /dev/blah /dev/blah
# mount --bind /dev/blah /dev/blah
Yeah, very unlikely (in qemu driver world) but possible.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Split on the last colon and avoid parsing port if the split remainder
contains the closing square bracket, so that IPv6 addresses are
interpreted correctly.
The architecture itself is called ppc64, and it can run both in big
endian and little endian mode - the latter is known as ppc64le.
From the (virtual) hardware point of view, ppc64 is a more accurate
name so it should be used here.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
In some cases management application needs to allocate memory for
qemu upfront and then just let qemu use that. Since we don't want
to expose path for memory-backend-file anywhere in the domain
XML, we can generate predictable paths. In this case:
$memoryBackingDir/libvirt/qemu/$shortName/$alias
where $shortName is result of virDomainDefGetShortName().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
When removing path where huge pages are call virFileDeleteTree
instead of plain rmdir(). The reason is that in the near future
there's going to be more in the path than just files - some
subdirs. Therefore plain rmdir() is not going to be enough.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
At the same time, move its internals into a separate function so
that they can be reused.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Very soon qemuBuildMemoryBackendStr() is going to use memory cell
aliases. Therefore set one. At the same time, move it a bit
further - if virAsprintf() fails, there's no point in setting
rest of the members.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
* libvirt no longer supports vbox <= 3.x
* update XML definition sample to show how to attach disks to VBOX's SAS
controller and how to change IDE controller model.
* update XML to show how to create RDP display with autoport.
In VirtualBox SAS and SCSI are separate controller types whereas libvirt
does not make such distinction. This patch adds support for attaching
the VBOX SAS controllers by mapping the 'lsisas1068' controller model in
libvirt XML to VBOX SAS controller type. If VBOX VM has disks attached
to both SCSI and SAS controller libvirt domain XML will have two
<controller type='scsci'> elements with index and model attributes set
accordingly. In this case, each respective <disk> element must have
<address> element specified to assign it to respective SCSI controller.
This patch adds <address> element to each <disk> device since device
names alone won't adequately reflect the storage device layout in the
VM. With this patch, the ouput produced by dumpxml will faithfully
reproduce the storage layout of the VM if used with define.
Previously any removable storage device without media attached was
omitted from domain XML dump. They're still (rightfully) omitted in
snapshot XML dump but need to be accounted properly to for the device
names to stay in 'sync' between domain and snapshot XML dumps.
Primer the code for further changes:
* move variable declarations to the top of the function
* group together free/release statements
* error check and report VBOX API calls used
If a VBOX VM has e.g. a SATA and SCSI disk attached, the XML generated
by dumpxml used to produce "sda" for both of those disks. This is an
invalid domain XML as libvirt does not allow duplicate device names. To
address this, keep the running total of disks that will use "sd" prefix
for device name and pass it to the vboxGenerateMediumName which no
longer tries to "compute" the value based only on current and max
port and slot values. After this the vboxGetMaxPortSlotValues is not
needed and was deleted.
Both vboxSnapshotGetReadWriteDisks and vboxSnapshotGetReadWriteDisks do
not need to free the def->disks on cleanup because it's being done by
the caller via virDomainSnaphotDefFree
This patch prepares the vboxSnapshotGetReadOnlyDisks and
vboxSnapshotGetReadWriteDisks functions for further changes so that
the code movement does not obstruct the gist of those future changes.
This is done primarily because we'll need to know the type of vbox
storage controller as early as possible and make decisions based on
that info.
With this patch, the vbox driver will no longer attach all supported
storage controllers by default even if no disk devices are associated
with them. Instead, it will attach only those that are implicitly added
by virDomainDefAddImplicitController based on <disk> element or if
explicitly specified via the <controller> element.
Since the VBOX API requires to register an initial VM before proceeding
to attach any remaining devices to it, any failure to attach such
devices should result in automatic cleanup of the initially registered
VM so that the state of VBOX registry remains clean without any leftover
"aborted" VMs in it. Failure to cleanup of such partial VMs results in a
warning log so that actual define error stays on the top of the error
stack.
Since qemu 2.9 via 9103f1ce "file-posix: Consider max_segments for
BlockLimits.max_transfer" this is a new access that is denied by the
qemu profile.
It is non fatal, but prevents the fix mentioned to actually work.
It should be safe to allow reading from that path.
Since qemu opens a symlink path we need to translate that for apparmor from
"/sys/dev/block/*/queue/max_segments" to
"/sys/devices/**/block/*/queue/max_segments"
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Add a new test program called 'qemublocktest' to test the block layer
related stuff and test storage source to JSON generator by comparing it
to the JSON parser.
