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When the block copy operation is started with a reused external file in
incremental mode libvirt will need to open and insert the backing chain
for that file into qemu (in -blockdev mode). This means that we'll need
to track the backing chain and metadata such as node names for the full
chain of <mirror>.
This patch invokes the full backing chain formatter and parser for
<mirror> so that the chain can be kept with <mirror>.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We have the proper flags available so we can pass them to the fomatter.
The added bonus is that private data may be formatted into the status
XML.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The helper converts the 'type', 'format' and index values to enum
values/numbers and does validation.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
virDomainDiskSourceParse was now just a thin wrapper without any extra
value. Replace all usage of it by the function it calls and remove the
function.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Modify the check that the format is in range to be standalone and use
the convertor function directly.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Now that the cleanup is handled automatically it can be removed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When adding <migrationSource> I've used a slightly unusual approach. To
allow using the disk source XML parser and formatter convert
<migrationSource> to look like <disk>. This means that <source> will be
added as a subelement of <migrationSource> rather than being formatted
inline.
Conversion from the old format in the parser is very simple as it
involves only moving the XPath context current node slightly if the new
format is found.
The status XML to XML test shows that the upgrade is done correctly.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
All callers including transitive callers through
virDomainDiskSourceFormatInternal always pass true. Remove the argument.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We parse the seclabels and use them internally so omitting them when
formatting would be misleading. Additionally our schema actually allows
them.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Using copy_on_read for removable disks is a hassle. It also does not
work for CDROMs at all as the image is supposed to be read-only and we
might ignore it for floppies when they are started as empty. Forbid it
for floppies completely rather than trying to support what probably
nobody is using.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Until the block job completes we can't change the disk chain. Removal
would fail as the block job still has reference to the chain.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Unref the config pointer automatically in code paths which get a local
copy.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
qemuDomainChangeGraphicsPasswords and qemuDomainRemoveHostDevice
don't use 'cfg' any more since commits 4327df7eee and 802c59d4b9
respectively.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Failure of qemuMonitorGetVersion is fatal now that we only support QMP
based qemus. Remove the debug message since we report an error already.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
If the detected qemu version is below our required version 'package'
would be leaked.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Move the check out of virQEMUCapsInitQMPMonitor similarly to other
functions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Move the code out of virQEMUCapsInitQMPMonitor similarly to other
functions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Move the check out of virQEMUCapsInitQMPMonitor similarly to other
functions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Some caps are cleared according to some more advanced logic after
detection. Split all that logic out into virQEMUCapsInitProcessCaps.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
virQEMUCapsInitQMPMonitor is massive now since it collects calls to the
various probing functions and also version based capabilities. Split
out the version based caps into a separate function.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Add hppa, nios2, or1k, riscv32 and riscv64 to the profile.
Fixes: https://bugs.debian.org/914940
Signed-off-by: intrigeri <intrigeri@boum.org>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Check that the attribute is the same in qemuDomainDiskChangeSupported
in case somebody tries to change it using the UpdateDevice API.
https://bugzilla.redhat.com/show_bug.cgi?id=1601677
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Laine Stump <laine@laine.org>
https://bugzilla.redhat.com/show_bug.cgi?id=1601677
This reverts commit 047cfb05ee
Using numeric comparison on strings means we reject every update
that does include the group name, even if it's unchanged.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Laine Stump <laine@laine.org>
Even though Coverity can prove that 'last' is always set if the prior
loop executed, gcc 8.0.1 cannot:
CC conf/libvirt_conf_la-virdomainmomentobjlist.lo
../../src/conf/virdomainmomentobjlist.c: In function 'virDomainMomentMoveChildren':
../../src/conf/virdomainmomentobjlist.c:178:19: error: 'last' may be used uninitialized in this function [-Werror=maybe-uninitialized]
last->sibling = to->first_child;
~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
Rewrite the loop to a form that should be easier for static analysis
to work with.
Fixes: ced0898f86
Reported-by: Bjoern Walk <bwalk@linux.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
commit edaf13565 modified the stats retrieval for OVS interfaces to
not fail when one of the fields was unrecognized by the ovs-vsctl
command, but ovs-vsctl was still returning an error, and libvirt was
cluttering the logs with these inconsequential error messages.
This patch modifies the GET_STAT macro to add "--if-exists" to the
ovs-vsctl command, which causes it to return an empty string (and exit
with success) if the requested statistic isn't in its database, thus
eliminating the ugly error messages from the log.
Resolves: https://bugzilla.redhat.com/1683175
Signed-off-by: Laine Stump <laine@laine.org>
The warning is reported at a code path which already reports a proper
error so it's pointless to add yet another line into logs.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Avoid the extra parameter passing in the disk 'dst' parameter to be
reported instead of the device alias. Using 'dst' instead of alias does
not add much value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
qemuDomainRemoveDiskDevice calls qemuDomainReleaseDeviceAddress which
already calls virDomainUSBAddressRelease so we don't need to call it
again.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
There is one specific caller (testInfoSetArgs() in
qemuxml2argvtest.c) which expect the va_list argument to change
after returning from the virQEMUCapsSetVAList() function.
However, since we are passing plain va_list this is not
guaranteed. The man page of stdarg(3) says:
If ap is passed to a function that uses va_arg(ap,type), then
the value of ap is undefined after the return of that function.
(ap is a variable of type va_list)
I've seen this in action in fact: on i686 the qemuxml2argvtest
fails on the second test case because testInfoSetArgs() sees
ARG_QEMU_CAPS and calls virQEMUCapsSetVAList to process the
capabilities (in this case there's just one
QEMU_CAPS_SECCOMP_BLACKLIST). But since the changes are not
reflected in the caller, in the next iteration testInfoSetArgs()
sees the QEMU capability and not ARG_END.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
