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Preparation for later conversion to g_auto* memory handling.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This saves two invocations of each `strndup` and `free`.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Co-authored-by: Sri Ramanujam <sramanujam@datto.com>
Signed-off-by: Matt Coleman <matt@datto.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
What code tries to achieve is that if no flags were provided to
either 'setmem' or 'setmaxmem' commands then the old (no flags)
API is called to be able to communicate with older daemons.
Well, the code can be simplified a bit.
Note that with this change the old no flag version of APIs is
used more often. Previously if --current argument was given it
resulted in *Flags() version to be called even though it is not
necessary - VIR_DOMAIN_AFFECT_CURRENT is implied.
Therefore, this change in fact allows virsh to talk with broader
set of daemons. No other user visible changes were made.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This patch takes on one set of examples of unnecessary use of
VIR_FREE() when g_free() is adequate - it modifies only vir*Free()
functions within the conf directory that take a single pointer and
free the object pointed to by that argument before returning. The
modification is to replace VIR_FREE() with g_free() for the object
itself *and* for all subordinate chunks of memory pointed to by that
object.
(NB: there are other functions that VIR_FREE subordinate memory of
objects that end up being freed before return (also sometimes with
VIR_FREE); I am purposefully ignoring those to reduce scope and focus
on a sub class where the pointlessness is obvious.)
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
usually a function call vir*Free() will take a single pointer to an
object as its argument, and will then free all resources associated
with that object, including the object
itself. virStorageEnctyptionInfoDefFree() doesn't do that - it frees
all the subordinate resources of the ojbect, but doesn't free the
object itself; usually a function like that is called
vir*Clear(). Let's rename this function to not be misleading.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There is no point in setting the interface model to unknown during
virDomainNetDefFree(), since we are about to free the object anyway
(and the model isn't used anywhere in the rest of the function).
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The memory containing the pointer is going to be freed momentarily anyway.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This function clears out and frees a virDomainZPCIAddressIds object,
so that's that's what it should take as its argument, *not* the
pointer to a parent object that contains the object we want to free.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Back in commit 2c71d3826, which appeared in libvirt-1.2.3 in April
2014, the location used to store saved MAC addresses and vlan tags of
SRIOV VFs was changed from /var/run/libvirt/qemu to
/var/run/libvirt/hostdevmgr. For backward compatibility the code was
made to continue looking in the old location for the files when it
didn't find them in the new location.
It's now been 6 years, and even if there was somebody still running
libvirt-1.2.3 on their system, that system would now be out of support
for libvirt, so there would be no way for them to upgrade to a new
libvirt that no longer looks in "oldStateDir" for the files. So
let's no longer look in "oldStateDir" for the files!
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
virGetConnectNetwork() calls
virGetConnectGeneric(), which calls
virConnecCacheInitialize(), which is actually a call (only once) to
virConnectCacheOnceInit() which calls
virThreadLocalInit() several times, which calls
pthread_key_create()
If pthread_key_create() fails, it (of course) doesn't log an error
(because it's not a part of libvirt), nor does any other function on
the call chain all the way up to virGetConnectNetwork(). But none of
the callers of virGetConnectNetwork() log an error either, so it is
possible that an API could fail due to virGetConnectNetwork() failing,
but would only log "an error was encountered, but the cause is
unknown. Deal with it." (paraphrasing).
(In all likelyhood, virConnectCacheOnceInit() is going to be called at
some earlier time, and almost certainly pthread_key_create() will
never fail (and if it does, the user will have *much* bigger problems
than an obtuse error message from libvirt)).
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
posix_fallocate() might be not supported by a filesystem, for example,
it's not supported by ZFS. In that case it fails with
return code 22 (EINVAL), and thus safezero_posix_fallocate() returns -1.
As safezero_posix_fallocate() is the first function tried by safezero()
and it tries other functions only when it returns -2, it fails
immediately without falling back to other methods, such as
safezero_slow().
Fix that by returning -2 if posix_fallocate() returns EINVAL, to give
safezero() a chance to try other functions.
Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The channel subsystem elements describe a channel in the I/O subsystem
of a s390x machine, and not a normal device (like a disk or network card).
Reword the documentation here to make it this a little bit clearer.
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1898074
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Currently translated at 13.0% (1366 of 10451 strings)
Translation: libvirt/libvirt
Translate-URL: https://translate.fedoraproject.org/projects/libvirt/libvirt/fi/
Co-authored-by: Jan Kuparinen <copper_fin@hotmail.com>
Signed-off-by: Jan Kuparinen <copper_fin@hotmail.com>
libvirt.spec currently adds a hardcoded -Dnetcf=enabled to the meson
commandline, so just setting the default in the meson.build file won't
have any effect for rpm builds - it will be overridden.
This patch changes the meson commandline in the spec file from
hardcoded -Dnetcf=enabled to %{arg_netcf}, which is itself set
according to the value of %{with_netcf}; and *that* is normally set
according to the distro release of the build target (1 for Fedora >=
34 and RHEL >= 9, 0 otherwise), but can be manually overridden by
adding "-without netcf" to the rpmbuild commandline.
Along with being used to determine what arg to pass to meson,
%{with_netcf} is also checked when deciding on whether or not to add
netcf build time / install time dependencies ("Requires: netcf-libs"
and "BuildRequires: netcf-devel")
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
placing "-Dnetcf=disabled" on the meson commandline was ignored,
meaning that even with that option the build would get WITH_NETCF if
the netcf-devel package was found - the only way to disable it was to
uninstall netcf-devel.
This patch adds the small bit of logic to check the netcf meson
commandline option (in addition to whether netcf-devel is installed)
before defining WITH_NETCF.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The current virPCIDeviceNew() signature, receiving 4 uints in sequence
(domain, bus, slot, function), is not neat.
We already have a way to represent a PCI address in virPCIDeviceAddress
that is used in the code. Aside from the test files, most of
virPCIDeviceNew() callers have access to a virPCIDeviceAddress reference,
but then we need to retrieve the 4 required uints (addr.domain, addr.bus,
addr.slot, addr.function) to satisfy virPCIDeviceNew(). The result is
that we have extra verbosity/boilerplate to retrieve an information that
is already available in virPCIDeviceAddress.
A better way is presented by virNVMEDeviceNew(), where the caller just
supplies a virPCIDeviceAddress pointer and the function handles the
details internally.
This patch changes virPCIDeviceNew() to receive a virPCIDeviceAddress
pointer instead of 4 uints.
Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Instead of receiving 4 uints in order and write domain/bus/slot/function,
receive a virPCIDeviceAddressPtr instead and write into it.
This change will allow us to simplify the API for virPCIDeviceNew()
in the next patch.
Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
libxlNodeDeviceGetPCIInfo() and qemuNodeDeviceGetPCIInfo() are equal.
Let's move the logic to a new virDomainDriverNodeDeviceGetPCIInfo()
info to be used by libxl_driver.c and qemu_driver.c.
Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
There is no need to open code the PCI address string format
when we have a function that does exactly that.
Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Further testing revealed commit f035f53baa regresses Debian bug 955216
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=955216
Restarting libvirt-guests on libvirtd restart is worse than the original
dependency issue, so revert the commit until a better solution is found.
This reverts commit f035f53baa.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Our docs have not been fully updated to reflect the separate
build directory.
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Wire up the QEMU command line for this option.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Rename virDomainCheckVirtioOptions into
virDomainCheckVirtioOptionsAreAbsent since it checks if all
virtio options are absent. The old name was very misleading.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
