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Similarly to commit 5da28cc306 this check
actually does not make sense since duplicate WWNs are used e.g. when
multipathing disks.
This reverts commit 780fe4e4ba.
https://bugzilla.redhat.com/show_bug.cgi?id=1461270
When fetching stats for a vhost-user type of interface, we run
couple of ovs-vsctl commands and parse their output. However, not
all stats exist at all times, for instance "rx_dropped" or
"tx_errors" can be missing. Thing is, we ask for a bulk of
statistics and if one of them is missing an error is reported
instead of returning the rest. Since we ignore errors, we fail to
set statistics. Fix this by asking for each piece alone.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit 5c54d29aae forgot to do that when moving the only function
using it and it broke the build on some platforms.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Our commit e13e8808f9 was way too generic. Currently, virtlogd is
used only for chardevs type of file and nothing else. True, we
must not relabel the path in this case, but we have to in all
other cases. For instance, if you want to have a physical console
attached to your guest:
<console type='dev'>
<source path='/dev/ttyS0'/>
<target type='virtio' port='1'/>
</console>
Starting such domain fails because qemu doesn't have access to
/dev/ttyS0 because we haven't relabelled the path.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit fixes a locale problem with locales that use comma as a mantissa
separator. Example: 12.34 en_US = 12,34 pt_BR. Since strtod() is a non-safe
function, virStrToDouble() will have problems to parse double numbers from
kernel settings and other double numbers from static files (XMLs, JSONs, etc).
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1457634
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1457481
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
The function virDoubleToStr() is defined in virutil.* and virStrToDouble() is
defined in virstring.*. Joining both functions into the same file makes more
sense.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Even though we got both the original CPU (used for starting a domain)
and the updated version (the CPU really provided by QEMU) during
incoming migration, restore, or snapshot revert, we still need to update
the CPU according to the data we got from the freshly started QEMU.
Otherwise we don't know whether the CPU we got from QEMU matches the one
before migration. We just need to keep the original CPU in
priv->origCPU.
Messed up by me in v3.4.0-58-g8e34f4781.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This function is called unconditionally from qemuProcessStop to
make sure we leave no dangling dirs behind. However, whenever the
directory we want to rmdir() is not there (e.g. because it hasn't
been created in the first place because domain doesn't use
hugepages at all), we produce a warning like this:
2017-06-20 15:58:23.615+0000: 32638: warning :
qemuProcessBuildDestroyHugepagesPath:3363 : Unable to remove
hugepage path: /dev/hugepages/libvirt/qemu/1-instance-00000001
(errno=2)
Fix this by not producing the warning on ENOENT.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Similarly to how we specify the groups of 5 capabilities in the header
file move the labels to separate line also for the VIR_ENUM_IMPL part.
This simplifies rebase conflict resolution in the capability file since
only lines have to be shuffled around, but they don't need to be edited.
Commit 7456c4f5f introduced a regression by not reloading the backing
chain of a disk after snapshot. The regression was caused as
src->relPath was not set and thus the block commit code could not
determine the relative path.
This patch adds code that will load the backing store string if
VIR_DOMAIN_SNAPSHOT_CREATE_REUSE_EXT and store it in the correct place
when a snapshot is successfully completed.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1461303
It is necessary for some parts of the code to refresh just data
based on the based on the backing store string. Add a convenience
function that will retrieve this data.
Changing labelling of the images does not need to happen after setting
the labeling and lock manager access. This saves the cleanup of the
labeling if the relative path can't be determined.
Check for the LOADPARM capabilility and potentially add a loadparm=x to
the "-machine" string for the QEMU command line.
Also add xml2argv test cases for loadparm.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Add new capability for the "-machine loadparm" QEMU option.
Add the capabilities replies/xml for s390x for QEMU 2.9.50.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Update the per device boot schema to add an optional loadparm parameter.
eg: <boot order='1' loadparm='2'/>
Extend the virDomainDeviceInfo to support loadparm option.
Modify the appropriate functions to parse loadparm from boot device xml.
Add the xml2xml test to validate the field.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Starting from qemu 2.9, more granular options are supported. Add parser
for the relevant bits.
With this patch libvirt is able to parse the host and target IQN of from
the JSON pseudo-protocol specification.
This corresponds to BlockdevOptionsIscsi in qemu qapi.
'SocketAddress' structure was changed to contain 'inet' instead of
'tcp' since qemu commit c5f1ae3ae7b. Existing entries have a backward
compatibility layer.
Libvirt will parse 'inet' and 'tcp' as equivalents.
It was added in commit 6c2e4c3856
so that Coverity would not complain about passing -1 to
qemuDomainDetachThisHostDevice(), but the function in question
has changed since and so the annotation doesn't apply anymore.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The same json strucutre is used for NBD and sheepdog volumes for
specifying of the host. Rename the function and fix up error messages to
be more universal.
When added in multiple previous commits, it was used only with -device
qxl(-vga), but for some QEMUs (< 1.6) we need to add this
functionality when using -vga qxl as well.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1283207
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
In the case that virtlogd is used as stdio handler we pass to QEMU
only FD to a PIPE connected to virtlogd instead of the file itself.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1430988
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Improve the code to decide whether to use virtlogd or not by checking
the same variable that is updated in qemuProcessPrepareDomain().
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
In QEMU driver we can use virtlogd as stdio handler for source backend
of char devices if current QEMU is new enough and it's enabled in
qemu.conf. We should store this information while starting a guest
because the config option may change while the guest is running.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1431112
Imagine a FS mounted on /dev/blah/blah2. Our process of creating
suffix for temporary location where all the mounted filesystems
are moved is very simplistic. We want:
/var/run/libvirt/qemu/$domName.$suffix\
were $suffix is just the mount point path stripped of the "/dev/"
prefix. For instance:
/var/run/libvirt/qemu/fedora.mqueue for /dev/mqueue
/var/run/libvirt/qemu/fedora.pts for /dev/pts
and so on. Now if we plug /dev/blah/blah2 into the example we see
some misbehaviour:
/var/run/libvirt/qemu/fedora.blah/blah2
Well, misbehaviour if /dev/blah/blah2 is a file, because in that
case we call virFileTouch() instead of virFileMakePath().
The solution is to replace all the slashes in the suffix with say
dots. That way we don't have to care about nested directories.
IOW, the result we want for given example is:
/var/run/libvirt/qemu/fedora.blah.blah2
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1431112
There can be nested mount points. For instance /dev/shm/blah can
be a mount point and /dev/shm too. It doesn't make much sense to
return the former path because callers preserve the latter (and
with that the former too). Therefore prune nested mount points.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1431112
After 290a00e41d we know how to deal with file mount points.
However, when cleaning up the temporary location for preserved
mount points we are still calling rmdir(). This won't fly for
files. We need to call unlink(). Now, since we don't really care
if the cleanup succeeded or not (it's the best effort anyway), we
can call both rmdir() and unlink() without need for
differentiation between files and directories.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
On some platforms the number of bits in the cbm_mask might not be
divisible by 4 (and not even by 2), so we need to properly count the
bits. Similar file, min_cbm_bits, is properly parsed and used, but if
the number is greater than one, we lose the information about
granularity when reporting the data in capabilities. For that matter
always report granularity, but if it is not the same as the minimum,
add that information in there as well.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
When setting up VncTLS according to the official Libvirt documentation,
only one certificate for libvirt/libvirt-vnc is used. The document
indicates to use the following directories :
/etc/pki/CA
/etc/pki/libvirt
/etc/pki/libvirt/private
in order to manage the certificates used by libvirt-vnc.
Bug-Ubuntu: https://bugs.launchpad.net/bugs/901272
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
On Debian/Ubuntu the libxl-save-helper (used when saving/restoring
a domain through libxl) is located under /usr/lib/xen-<version>/bin.
Bug-Ubuntu: https://bugs.launchpad.net/bugs/1334195
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Updates profile to allow running on ppc64el.
Bug-Ubuntu: https://bugs.launchpad.net/bugs/1374554
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
