This new API function allows to define nwfilter with given flags.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
When setting O_CLOEXEC flag on received FD fails the FD is closed
using VIR_FORCE_CLOSE(). But the call is wrapped in errno save
which is not necessary because VIR_FORCE_CLOSE() preserves errno
value.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use %s to print NULLSTR(duri).
Reported-by: Peng Liang <liangpeng10@huawei.com>
Signed-off-by: Zhenyu Ye <yezhenyu2@huawei.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Warn these error instead of return when removing qos or queues. This will
avoid residual qos clearance on multiple interfaces.
Signed-off-by: zhangjl02 <zhangjl02@inspur.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Separate virNetDevOpenvswitchInterfaceClearQos into two steps. When setting
qos, we can set only rx or tx and the other one should be cleared.
Signed-off-by: zhangjl02 <zhangjl02@inspur.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add vmuuid notes on virNetDevOpenvswitchInterfaceSetQos,
and change vmid to vmuuid.
Signed-off-by: Jinsheng Zhang <zhangjl02@inspur.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
All supported QEMU versions have this option so there's no need for us
to base it on the capability.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
All QEMU versions we support have these and it's very unlikely that they
will be removed. Remove the capability checks.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'set-numa-node' is the command which can set the equivalent parameters
to '-numa' in preconfig mode, so we can use it as witness to see that
-numa is supported.
To ensure that the old detection method is removed once we'll be bumping
qemu support add a comment with the appropriate version check.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
All supported QEMU versions have all the fields so we can remove the
booleans controlling which fields are used on the monitor.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use qemuMonitorJSONCheckError instead of handcrafted error reporting.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Switch to automatic memory freeing and remove the cleanup section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
They are no longer used as we now assume that all tuning caps are
present and in case some will be removed we'll need to use different
probing methods.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
All currently supported qemu versions support all throttling
capabilities. It is unlikely that any of the fields will be removed in
the future and if it will we will need to do specific probing which is
possible via the 'throttle' object which is the replacement for the
legacy way to configure throttling.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The configurability of the number of dies in a CPU can be inferred from
the presence of the 'die-id' field in 'query-hotpluggable-cpus'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Probing QEMU_CAPS_DRIVE_DISCARD and QEMU_CAPS_DRIVE_DETECT_ZEROES can be
replaced by looking into the QMP schema rather than looking at -drive
which isn't in use any more.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Make it more obvious that we care about passing FDs on the commandline
before startup of qemu, which is used to avoid startup monitor polling.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
QEMU_CAPS_CHARDEV_RECONNECT, QEMU_CAPS_CHARDEV_LOGFILE and
QEMU_CAPS_CHARDEV_FILE_APPEND can be probed from the appropriate fields
in 'chardev-add' probed via the QMP schema instead of the command line
parameters.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add a comment that will attempt to discourage adding new capabilities
based on 'query-command-line-options'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add a cross reference of the enum value name with the string
representation. This allows a quick cross-reference of the values
without having to open the header and implementation files separately.
To achieve this the checker code at first obtains a list of the
flags and cross-references them when checking the grouping in
syntax-check, thus we are guaranteed to stay in sync.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Further commits will be refactoring and minimizing capabilities being
parsed from 'query-command-line-options'. Group the struct driving the
detection by argument name so it's easier to spot options belonging
together.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add g_autofree to functions changed in previous commits doing
g_auto cleanup for libxml2-related variables, where it could
lead to removal of a label.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Use g_auto where possible, reducing variable scope where applicable.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Move 'ctxt' and 'doc' inside the loop and mark them with g_auto.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Based on kernel commit messages the interface is
/sys/class/fc/fc_udev_device/appid_store
where we need to write the following string "$INODE:$APPID".
$INODE is the VM root cgroup inode in hexadecimal and $APPID is user
provided string that will be attached to each FC frame for the VM
within the cgroup identified by inode and has limit 128 bytes.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Prepare the function for additional sub-elements where all of the
sub-elements are optional.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
There is no need to error out for empty <partition></partition> element
as we can just simply ignore it. This allows to simplify the function
and prepare it for new sub-elements of <resource>.
It makes the <partition> element optional so we need to reflect the
change in schema as well.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
For new feature Fibre Channel VMID we will need to get inode of the
VM root cgroup as it is used in the new kernel API together with VMID.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
commit 2e668a61d5ae4("Fix error handling when adding MCS labels") uses
the 'pctx' in virReportError after it has been freed. Fix it.
Fixes: 2e668a61d5
Signed-off-by: Zhenyu Ye <yezhenyu2@huawei.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Libvirt assumes that a SCSI bus can fit up to 8 devices
(including controller itself), except for so called wide bus
which can accommodate up to 16 devices (again, including
controller). This plays important role when computing 'drive'
address in virDomainDiskDefAssignAddress(). So far, the only
driver that enables wide SCSI bus is VMX. But with newer
releases, ESX is capable of "super wide" bus (64 devices).
We can blindly bump the limit in our code because then we would
compute address that's invalid for older ESX versions that we
still want to support.
Unfortunately, I haven't found a better place where to store this
than virDomainDef.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
After previous patch it can no longer happen that @def will be
NULL and *def won't be.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The way we parse VMX configuration is rather unfortunate,
especially when it comes to disks. We allocate an array that can
handle all possible disks but leave the array counter (ndisks) at
zero and increase it only after successful parsing. But, we never
size the array down to release unneeded chunks of memory.
We can do better: we can use VIR_APPEND_ELEMENT() to allocate
array as needed.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
At the beginning of vmx.c we have a comment that maps
virtualHW.version field onto ESX version. However, it wasn't
updated in a while. Fill it in using the following kbase article:
https://kb.vmware.com/s/article/1003746
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
If the QEMU driver is configured to use the old "file" stdio
handler (meaning virtlogd is out of the picture) and a chardev
has a log file configured we rely on QEMU being able to create
the file itself. This may not be always possible (e.g. if the
logfile is set to a directory that QEMU process can't reach).
In such case we should create the file and just pass its FD to
QEMU.
We could do that unconditionally and just either pass FD from
virtlogd or the one we opened, because we bumped QEMU version
and are now requiring new enough QEMU. However, I'm keeping the
old style where logfile is appended on the cmd line for the tests
sake.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1989457
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Tested-by: Ján Tomko <jtomko@redhat.com>
Again, we don't need full driver, just its config.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Tested-by: Ján Tomko <jtomko@redhat.com>
The function doesn't really need domain object, but domain
definition from which it takes seclabels.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Tested-by: Ján Tomko <jtomko@redhat.com>
The function doesn't write to domain definition really so make
@def argument as const. This allows us to call it from functions
where the domain definition is already const.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Tested-by: Ján Tomko <jtomko@redhat.com>
LIBXL_HAVE_LIBXL_DEVICE_DISK_DISCARD_ENABLE exists since Xen 4.5.0
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
virXMLParse() now allows validating xml against schema directly,
eliminating the need to do it individually in each function.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
xmlDocPtr is no longer needed, because validation against schema
was moved to another function.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
virXMLParse() now allows to validate xml against schema directly,
eliminating the need to do it individually.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
We need this in order to validate XML against schema at one
place, rather than have the same code for validation in different
functions.
I will add '--validate' option to more virsh commands soon and
this makes it easier as virXMLParse() is called in every one I
plan to change.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
We didn't always save status xml after generating new taint message
which resulted in it being deleted in case of a libvirtd restart.
Some taint messages were preserved thanks to saving status xml
separately at the end of the calling functions. With this, every taint
message is saved, regardless of the calling functions.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1965589
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This is the preferred way to do it, but there were a few
instances in which some of the path components had embedded
slashes instead.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Turn 'mounts' into a proper GStrv after sorting so that automatic
cleanup can be used and shuffle around the cleanup steps so that jumps
can be avoided in favor of direct return of error code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'devMountsPath' and 'devMountsSavePath' are NULL terminated.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'devMountsPath' can be converted to an auto-cleared stringlist and thus
asking for the number of entries is not necessary.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The only caller is passing a NULL terminated string list as
'devMountsPath' thus we don't need to get the count of elements.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The value of 'next' is copied into 'item.file' so we can move the update
to the 'next' pointer earlier and move the VIR_APPEND_ELEMENT call to
where we figure out that we need to append the value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We always process the full list so there's no value in storing the count
separately.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We always process the full list so there's no value in storing the count
separately.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We always process the full list so there's no value in storing the count
separately.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Previously they were stored in two separate arrays. This way it's
obvious when referencing the same one.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Both virDomainAuthorizedSSHKeysGet and virDomainGetMessages return a
NULL-terminated string-list, so we can use g_auto(GStrv) to clear the
used memory on failures.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Remove the conversion from virPCIVirtualFunctionList which encapsulates
the list of virtual functions to two disjunct arrays.
This greatly simplifies the fetching of the parameters as well as
cleanup in the caller.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'virNetDevGetVirtualFunctions' calls 'virPCIGetVirtualFunctions' and
then re-iterates the returned list to fetch the interface names for the
returned virtual functions.
If we move the fetching of the interface name into
virPCIGetVirtualFunctions we can simplify the code and remove a bunch of
impossible error states.
To accomplish this the function is renamed to
'virPCIGetVirtualFunctionsFull' while keeping a wrapper with original
name and if the physical port ID is passed the interface name is fetched
too without the need to re-convert the address into a sysfs link.
For now 'virNetDevGetVirtualFunctions' still converts the returned data
into two lists.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Introduce a struct for holding the list of VFs returned by
virPCIGetVirtualFunctions so that we can employ automatic memory
clearing and also allow querying more information at once.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Since UUID is not guaranteed to be unique by mdevctl, we may have more
than one nodedev with the same UUID. Therefore, we need to disambiguate
when looking up mdevs by specifying the UUID and parent address, which
mdevctl guarantees to be a unique combination.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Unfortunately, mdevctl supports defining more than one mdev with the
same UUID as long as they have different parent devices. (Only one of
these devices can be active at any given time).
This means that we can't use the UUID alone as a way to uniquely
identify mdev node devices. Append the parent address to ensure
uniqueness. For example:
Before: mdev_88a6b868_46bd_4015_8e5b_26107f82da38
After: mdev_88a6b868_46bd_4015_8e5b_26107f82da38_0000_00_02_0
Related: https://bugzilla.redhat.com/show_bug.cgi?id=1979440
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This can be used similarly to other postparse callbacks in libvirt --
filling in additional information that can be determined by using the
information provided in the XML. In this case, we determine the address
of the parent device and cache it in the mdev caps so that we can use it
for generating a unique name and interacting with mdevctl.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
At the moment, this is only for mediated devices. When a new mediated
device is created or defined, the xml is expected specify the nodedev
name of an existing device as its parent. We were not previously
validating this and were simply accepting any string here.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
mdevctl can report multiple defined devices with the same UUID
but different parents, including parents that don't actually exist on
the host machine. Libvirt sets the parent to the 'computer' device for
all of the mdevs that have nonexistent parents. Because of this, it's
possible that there are multiple devices with the same UUID and the same
'computer' device as their parent, so the combination of uuid and parent
nodedev name is not guaranteed to be a unique name.
We need to ensure that each nodedev has a unique name. If we can't use
the UUID as a unique nodedev name, and we can't use the combination of
UUID and nodedev parent name, we need to find another solution. By
caching and using the parent name reported by mdevctl in combination
with the UUID, we can achieve a unique name. mdevctl guarantees that its
uuid/parent combination is unique.
This value will be used to set the mdev nodedev name in a following commit.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Commit 51fbbfdce8 attempted to get the proper nodedev name for the
parent of an defined mdev by traversing the filesystem and looking for a
device that had the appropriate sysfs path. This works, but it would be
cleaner to to avoid mucking around in the filesystem and instead just
just examine the list of devices we have in memory.
We already had a function nodeDeviceFindAddressByName() which constructs
an address for parent device in a format that can be used with mdevctl.
So if we refactor this function into a a function that simply formats an
address for an arbitrary virNodeDeviceObj*, then we can use this
function as a predicate for our new virNodeDeviceObjListFind() function
from the previous commit. This will search our list of devices for one
whose address matches the address we get from mdevctl.
One nice benefit of this approach is that our test cases will now
display xml output with the proper parent name for mdevs (assuming that
we've added the appropriate mock parent devices to the test driver).
Previously they just displayed 'computer' for the parent because the
alternative would have required specially constructing a mock filesystem
environment with a sysfs that mapped to the appropriate parent.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This is a generic function that you can provide your own predicate
function to search for a particular device. It will be used in an
upcoming commit.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We currently query the host MSRs to determine if TSC scaling is
supported. This works OK when running privileged and can open
the /dev/cpu/0/msr. When unprivileged we fallback to querying
MSRs from /dev/kvm. This is incorrect because /dev/kvm only
reports accurate info for MSRs that are valid to use from inside
a guest. The TSC scaling support MSR is not, thus we always end
up reporting lack of TSC scaling when unprivileged.
The solution to this is easy, because KVM can directly report
whether TSC scaling is available, which matches what QEMU will
do at startup.
Closes: https://gitlab.com/libvirt/libvirt/-/issues/188
Reported-by: Roman Mohr <rmohr@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This reverts commit 05bd8db60b.
It is true that the remote driver client now contains logic for probing
the driver to connect to when using modular daemons. This logic, however,
only runs when the remote driver is NOT running inside a daemon since we
don't want it activated inside libvirtd. Since the same remote driver
build is used in all daemons, we can't rely on it in virtproxyd either.
Thus we need to keep the virtproxyd probing logic
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The function was inconsistently using 'return -1' and 'goto cleanup;'
unify it by removing the cleanup label and 'ret' variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It's used only inside the loop filling the extents, move it there and
restructure the code so that 'extent.path' doesn't have to be freed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'list' will always be NULL when reaching 'virObjectListFreeCount' thus
we can remove the call as well as the 'ret' variable which was only ever
equal to 'nclients' at the point when we returned the value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'bootHotplug' can be auto-freed when terminating the function and moving
the declaration of 'vcpuprops' to the loop which uses it along with
automatic freeing allows us to simplify cleanup in certain cases.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use automatic memory freeing for 'tmpvars' and move the allocation of
tmpvars earlier so that we are guaranteed that 'obj' will always be
appended to 'inst->filters' and thus don't need cleanup for it.
By moving the reset of 'inst' to the block when virNWFilterDefToInst
fails we can get rid of the rest of the cleanup section and remove the
'ret' variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Construct the 'ruleinst->vars' hash table separately in a temporary
variable so that 'ruleinst' can be allocated on success. This allows us
to get rid of the cleanup section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'cb' is always NULL when 'virObjectEventCallbackListAddID' is called.
Remove the call.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'item' is always NULLed-out by VIR_APPEND_ELEMENT and 'ret' variable is
always 0 when used so both can be removed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'hub' doesn't need to be freed any more because it's always consumed and
NULLed-out by VIR_APPEND element. This also makes the 'ret' variable
obsolete.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'video' will only ever be NULL after the 'cleanup' label thus there's no
need to use 'virDomainVideoDefFree'. In fact we can fully remove the
cleanup section and 'ret' variable by returning directly from failure
points.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
VIR_APPEND_ELEMENT doesn't report any errors now so we can remove
VIR_APPEND_ELEMENT_QUIET and replace all uses by VIR_APPEND_ELEMENT
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use virAppendElement instead of virInsertElementsN to implement
VIR_APPEND_ELEMENT which allows us to remove error handling as the
only relevant errors were removed when switching to aborting memory
allocation functions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
For now it was an alias to VIR_APPEND_ELEMENT. Use virAppendElement
directly until VIR_APPEND_ELEMENT is refactored too and we'll be able to
get rid of VIR_APPEND_ELEMENT_QUIET completely.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use virAppendElement instead of virInsertElementsN to implement
VIR_APPEND_ELEMENT_COPY which allows us to remove error handling as the
only relevant errors were removed when switching to aborting memory
allocation functions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
VIR_APPEND_ELEMENT_INPLACE and VIR_APPEND_ELEMENT_COPY_INPLACE already
ignore the return value from 'virInsertElementsN' which allows a trivial
conversion to virAppendElement without the need for 'ignore_value'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The new wrapper calls virInsertElementInternal with the appropriate
arguments without any checks which are unnecessary for appension. This
allows to have no return value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Split out the code doing the movement of the elements and insertion from
the range checks. This will help in adding an error-free version for
appension.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The idea of @add was that the insersion/appension macros would allow
adding more than one element but this feature was never implemented.
'add' is nowadays used as a dummy variable consuming the result of the
VIR_TYPEMATCH compile time check.
Make it obvious that we don't use 'add' by renaming it to
'typematchDummy', marking it as unused and replacing all occurences
where the value was used by literal '1'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Send TERM/KILL to virtiofsd and its child processes too
and do not exit until they are all dead.
https://bugzilla.redhat.com/show_bug.cgi?id=1940276
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Add a version of virPidFileForceCleanupPath that takes
a 'group' bool argument and propagate it all the way
down to virProcessKillPainfullyDelay.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Starting with QEMU 6.0, this controller is enabled by default
on aarch64.
https://bugzilla.redhat.com/show_bug.cgi?id=1967187
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
When we try to migrate vm, we check if it contains only devices
that are able to migrate. If a hostdev device is not able to
migrate we raise an error with <hostdev/>, but it can actually be
<interface/>, so we need to check if hostdev device was created
by us from interface and show the right error message.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1942315
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In order to test the virDomainGetMessages for test driver, we need to
check some taints or deprecations, so introduce testDomainObjCheckTaint
for checking taints.
As we introduced testDomainObjCheckTaint for test driver, the `dominfo`
command in virshtest will now print tainting messages, so add them for
test.
Signed-off-by: Luke Yue <lukedyue@gmail.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The test driver and qemu driver could share the same code in
virDomainGetMessages(), so extract it to a function.
Signed-off-by: Luke Yue <lukedyue@gmail.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
It was added by commit c2121602 and later removed by 5a4c2374a
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
When loop in function virNVMeDeviceListCreateReAttachList() there may be
reused index @i, this patch fix this by using a new @j.
Signed-off-by: Jia Zhou <zhou.jia2@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We need to pass the 'trim' requests through the copy-on-read filter so
if a user configures a discard policy on the disk the requests get
through to the appropriate format layer in the blockdev tree.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1986509
Reported-by: Richard W.M. Jones <rjones@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
This function add halt polling time interface in domstats. So that
we can use command 'virsh domstats VM' to get the data if system
support.
Signed-off-by: Yang Fei <yangfei85@huawei.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add helper function virHostCPUGetHaltPollTime to obtain halt polling
time. If the kernel support halt polling time statistic, and mount
debugfs. This function will take effect on KVM VMs.
Signed-off-by: Yang Fei <yangfei85@huawei.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use function virFileReadValueUllongQuiet to read unsigned long
long value without error report.
Signed-off-by: Yang Fei <yangfei85@huawei.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Base it on the presence of the "blockdev-reopen" QMP command.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Export 'qemuBlockReopenFormatMon' and use it in a new test case wich
will validate the arguments against the QMP schema.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This function was added prior 'blockdev-reopen' being stable and qemu
changed the arguments to actually contain an array of block node
definitions to reopen.
In our case we are just changing between read-only and read-write modes
and thus we can keep operating on the nodes one-by-one.
Modify the code to add the wrapper array.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This will simplify testing of the blockdev-reopen code once it's
enabled.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Similar to what was done for qemu_firmware.c in 61d95a1073, don't
report an error for unknown vhost-user features, just log it and
correctly continue on
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Additional cleanup paths add the possibility of not freeing earlier
stuff. Add an AUTOPTR handler for qemuDomainObjPrivate and use it in
qemuDomainObjPrivateAlloc
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
The freeing function will be needed to undo failures in allocation.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
'obj->classIdMap' is a bitmap with size of '16', thus the first 3 bits
are guaranteed to be available. Use 'virBitmapSetBit' instead of
'virBitmapSetBitExpand' since we don't need any expansion and ignore
errors as they are impossible.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
Use a temporary auto-freed local variable to hold the hash table so that
the cleanup section can be removed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
Allocate the hash tables first so tat the 'data' struct can be directly
initialized removing the need for a memset and two additional
assignments.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
Declare the function with G_GNUC_WARN_UNUSED_RESULT as we always want to
use the returned value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
In one of my previous patches I've tried to postpone dropping
CAP_SETPCAP until the very end because it's needed for
capng_apply(). What I did not realize back then was that we might
not have the capability to begin with. Because of unknown reasons
capng_apply() pollutes logs only for CAPNG_SELECT_BOUNDS and not
for CAPNG_SELECT_CAPS.
Reproducer is really simple: run libvirtd as a regular user.
During its initialization, libvirtd will spawn some binaries
(dnsmasq, qemu-*, etc.) and while doing so it will try to drop
capabilities.
Anyway, let's call capng_apply(CAPNG_SELECT_BOUNDS) only if we
have the CAP_SETPCAP (which is tracked in need_setpcap variable).
Fixes: 438b50dda8
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1924218
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
After all capabilities were set (except for CAP_SETGID,
CAP_SETUID and CAP_SETPCAP) and after UID:GID was changed we drop
the last aforementioned capabilities (we couldn't drop them
before because we needed UID:GID and capabilities change).
Therefore, there's final capng_apply() call. However, it is
wrapped in one layer of parenthesis more than needed.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Libvirt is using the G_GNUC_FALLTHROUGH macro provided by glib since
version 2.60. Since we need to support older glib, we also have some
compatibility code to define it if missing.
We set the GLIB_VERSION_MAX_ALLOWED macro to ensure we get warnings
when we use an API that dates from a glib version newer than our
minimum benchmark. Historically this didn't get enforced for (most)
macros, but GLib 2.69 has addressed that gap.
This causes our usage of G_GNUC_FALLTHROUGH to trigger warnings.
GLib is right to warn, because it does not know that we have added
our own fallback for older versions.
The only way to squelch this warning though, is to fully undefine
the GLib provided G_GNUC_FALLTHROUGH and use our own in its place.
We'll be able to remove all this compat burden when we finally
update the min glib version to be >= 2.60
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
If lvcreate found an existing signature when trying to create a
new logical volume (E.g. left after some deleted volume), the
action failed due to inability to answer interactive question to
wiping it (lvcreate assumed 'no' was the answer). With added
option --yes to the command line, the answer to any interactive
question is assumed to be yes. Therefore, lvcreate wipes the
signature and the new volume is created successfully.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1940413
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
`cur` is guaranteed to be of type `XML_ELEMENT_NODE` by using
`xmlFirstElementChild()` and `xmlNextElementSibling()`.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
"xmlNextElementSibling()" skips attribute nodes, making the explicit
check for the type of `cur` redundant. This prepares for the removal
of this check in the next commit.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add support for customizable grabToggle key combinations with
<input type='evdev'>.
Signed-off-by: Justin Gatzen <justin.gatzen@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The submission of the event to the helper thread has a verbose cleanup
path which was duplicated in all the event handlers. Simplify it by
extracting the code into a helper named 'qemuProcessEventSubmit' and
reuse it where appropriate.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
The removed error messages are impossible as the enum values are
converted via VIR_ENUM helpers and guarded by compiler checks.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
It is also impossible for @info to be non-NULL in the cleanup section so
the cleanup can be completely removed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Change the callback prototype and fix the callback registered in the
process code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The callers in the monitor code invoking the callbacks after events are
received don't actually check the return value from the callbacks and
there isn't really anything we could do on failure.
Remove the return value from the intermediary functions so we can later
remove them from the callback prototypes.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The qemu process code doesn't register a callback for it so we don't
need to be handling it at all.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'virStoragePoolObjListSearch' returns a locked and refed object, thus we
must release it on ACL permission failure.
Fixes: 7aa0e8c0cb
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1984318
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Commit e9b534905f introduced an error when parsing an empty list
returned from mdevctl.
This occurs e.g. if nodedev-undefine is used to undefine the last
defined mdev which causes the following error messages
libvirtd[33143]: internal error: Unexpected format for mdevctl response
libvirtd[33143]: internal error: failed to query mdevs from mdevctl:
libvirtd[33143]: mdevctl failed to updated mediated devices
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
If the function is called with maxlen equal to `INT_MAX`, adding
one will trigger a signed integer overflow.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Since commit d399a728f4 placed the restore in the right scope the
restore can get removed in virDomainSEVDefParseXML.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
We just found <qemu:commandline> is ignored in our xml. Further debug
shows that ctxt's node pointer isn't restored in virDomainSecDefParseXML(),
which leads to parsing of remaining elements failed.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
When SEV is not supported but specified in the domain XML by a user it
should not result in an internal error (VIR_ERR_INTERNAL_ERROR)
therefore switching to XML error (VIR_ERR_CONFIG_UNSUPPORTED).
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Use the common id 'lsec0' for all launchSecurity types in the QEMU
command line construction.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Adding availability of s390-pv in domain capabilities and adjust tests.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Add launch security type 's390-pv' as well as some tests.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Adding virDomainSecDef for general launch security data
and moving virDomainSEVDef as an element for SEV data.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Make use of virDomainLaunchSecurity enum.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
When doing a peer-to-peer migration it may happen that the
connection to the destination disappears. If that happens,
there's no point in trying to unregister the close callback
because the connection is closed already. It results only in
polluting logs with this message:
error : virNetSocketReadWire:1814 : End of file while reading data: : Input/output error
and the reason for that is unregistering a connection callback
results in RPC (among other things).
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1918211
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
This appears to be a copy-paste mistake from the check directly above.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
qemuMigrationSrcRunPrepareBlockDirtyBitmaps receives the flags parameter
from qemuMigrationSrcRun, where flags are based on the main API enum
values. Similar to commit f58349c9c6, use the main API enum instead of
internal driver enum when checking flags in
qemuMigrationSrcRunPrepareBlockDirtyBitmaps.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signaling the condition before vm->def->id is reset to -1 is dangerous:
in case a waiting thread wakes up, it does not see anything interesting
(the domain is still marked as running) and just enters virDomainObjWait
where it waits forever because the condition will never be signalled
again.
Originally it was impossible to get into such situation because the vm
object was locked all the time between signaling the condition and
resetting vm->def->id, but after commit 860a999802 released in 6.8.0,
qemuDomainObjStopWorker called in qemuProcessStop between
virDomainObjBroadcast and setting vm->def->id to -1 unlocks the vm
object giving other threads a chance to wake up and possibly hang.
In real world, this can be easily reproduced by killing, destroying, or
just shutting down (from the guest OS) a domain while it is being
migrated somewhere else. The migration job would never finish.
So let's make sure we delay signaling the domain condition to the point
when a woken up thread can detect the domain is not active anymore.
https://bugzilla.redhat.com/show_bug.cgi?id=1949869
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
On libvirtd startup, the list of priority worker threads is uninitialized
(`pool->prioWorkers` is NULL), and then "expanded" to zero (`prioWorkers`)
entries.
This causes `virThreadPoolExpand` to call `VIR_EXPAND_N` on a null pointer
and an increment of zero. The zero increment triggers `virReallocN` to not
actually allocate any memory and leave the pointer NULL, which, eventually,
causes `memset(NULL, 0, 0)` to be called in `virExpandN`.
`memset` is declared `__attribute__ ((__nonnull__ 1))`, which triggers the
following warning when libvirt is compiled with address sanitizing enabled:
$ meson -Dbuildtype=debug -Db_lundef=false -Db_sanitize=address,undefined
build && ninja -C build
$ ./build/run build/src/libvirtd
src/util/viralloc.c:82:5: runtime error: null pointer passed as
argument 1, which is declared to never be null
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This simplyfies the code a bit and removes one "goto", one "VIR_FREE",
and one "VIR_INSERT_ELEMENT_COPY".
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
As test driver won't have real background job running, in order to get
all possible states, the time is used here to decide which state to be
returned. The default time will get `ok` as return value.
Note that using `virsh domtime fc4 200` won't take effect for the test
driver, to get other states, you have to enter virsh interactive
terminal and set time.
Signed-off-by: Luke Yue <lukedyue@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
If the queried QMP command doesn't exist qemuMonitorGetTPMModels returns
0 but sets the string list to NULL which isn't accepted by
g_strv_contains.
Fixes: a5bc5f0ecf
Reported-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Inactive mdevs were simply formatting their parent name as the value
received from mdevctl rather than looking up the libvirt nodedev name of
the parent device. This resulted in a parent value of e.g.
'0000:5b:00.0' instead of 'pci_0000_5b_00_0'. This prevented defining a
new mdev device from the output of nodedev-dumpxml.
Unfortunately, it's not simple to fix this comprehensively due to the
fact that mdevctl supports defining (inactive) mdevs for parent devices
that do not actually exist on the host (yet). So for those persistent
mdev definitions that do not have a valid parent in the device list, the
parent device will be set to the root "computer" device.
Unfortunately, because the value of the 'parent' field now depends on
the configuration of the host, the mdevctl parsing test will output
'computer' for all test devices. Fixing this would require a more
extensive mock test environment.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1979761
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Having multiple addresses having same hostname is a common config either
to have IPv4 and IPv6 address for the same hostname or even for DNS
round robin. The validation in the network update code didn't allow
adding such entries despite the fact that it is possible to define a
network with them.
Don't check hostname duplicity when adding a DNS entry.
The update of the test case adds another entry for the 'pudding'
hostname which is added in one of the networkxml2xmlupdate test cases.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We need to report via domcapabilities if specifying shared memory
is supported without hugepages or numa config in order to find
out if domain has suitable setup to make virtiofs work.
The solution is to report source types of memory backing to
determine if memfd is a valid option.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This was bothering someone as the debug message looked like there was an issue
despite it being just a debug message. Change it to what is actually happening
and why the name is being skipped.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
If the attempt to attach a device failed, we erased the
unattached device from the namespace. This resulted in erasing an
already attached device in case of a duplicate. We need to check
for existing file in the namespace in order to determine erasing
it in case of a failure.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1780508
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
A new apparmor profile initially derived from the libvirtd profile.
All rules were prefixed with the 'audit' qualifier to verify they
are actually used by virtxend. It turns out that several, beyond
the obvious ones, can be dropped in the resulting virtxend profile.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
A new apparmor profile derived from the libvirtd profile, with non-QEMU
related rules removed. Adopt the libvirt-qemu abstraction to work with
the new profile.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
This is a followup for commit e906c4d02b
("apparmor: Allow /usr/libexec for libxl-save-helper and pygrub"):
In recent rpm versions --libexecdir changed from /usr/lib64 to
/usr/libexec. A plain rpmbuild %configure in xen.git will install all
files, including the private copies of qemu, into /usr/libexec/xen/bin.
Expand the existing pattern to cover also this libexecdir variant.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We have an example in virDirRead() documentation on how to use
the function. In there, the directory structure is plain DIR, but
that won't work anymore. Switch over to g_autoptr(DIR) which is
what we use now.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Allow swtpm (0.7.0 or later) to fsync on the directory where it writes
its state files into so that "the entry in the directory containing the
file has also reached disk" (fsync(2)).
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
`virHashNew` cannot return NULL, the check is not needed.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The same pattern of retrieving the domXML, running the hook script, and
checking for error is used throughout the libxl driver. Remove some
repetitive code by adding a helper function to perform these tasks.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Introduce libxlDomainStartPerform as part of decomposing libxlDomainStart.
Perform all operations that are part of starting a domain. On error the
domain is destroyed from libxl's perspective, but the operations perfomed
in libxlDomainStartPrepare must be unwound by libxlDomainStart.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Introduce libxlDomainStartPrepare as part of decomposing libxlDomainStart.
Perform all prepratory operations such as hostdevs, network devs, etc.
Also ensure all such operations are properly unwound on error.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Move network device cleanup code from libxlDomainCleanup to a helper
function for use in a subsequent patch.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
the logic to check for existence of a managed save image and use it to
start the VM can be moved to libxlDomainStartNew. libxlDomainStart has
become unwieldy and this is a small step to make it more manageable.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The 'storageMigration' flag is supposed to be true if storage migration
is requested, which is based on VIR_MIGRATE_NON_SHARED_DISK or
VIR_MIGRATE_NON_SHARED_INC flags. The assignment to the variable used
QEMU_MONITOR_MIGRATE_NON_SHARED_INC (0x04) instead of
VIR_MIGRATE_NON_SHARED_INC (0x80), caused libvirtd to skip the actual
copy of data.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1978526
Fixes: da69f4b208
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Libvirt started emitting two threshold events, once with index and once
withouth when the index isn't registered. Document this caveat.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Remember whether the user passed an explicit index when registering the
event so that we can avoid the top level event when it isn't needed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
When users register the threshold event for the top level image with an
explicit index (e.g. vda[3]) they are clearly expecting the index in the
event.
This flag will help avoiding emission of the second event without the
index when the client clearly requested one with the index.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
When qos is set or delete, we have to check if the port is an ovs managed
port. If true, call the virNetDevOpenvswitchInterfaceSetQos function when qos
is set, and call the virNetDevOpenvswitchInterfaceClearQos function when
the interface is to be destroyed.
Signed-off-by: Jinsheng Zhang <zhangjl02@inspur.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Return 0 directly if the port is ovs managed. When the ovs port is set
noqueue, qos config on this port will not work.
Signed-off-by: Jinsheng Zhang <zhangjl02@inspur.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Introduce qos setting and cleaning method. Use ovs command to set qos
parameters on specific interface of qemu virtual machine.
When an ovs port is created, we add 'ifname' to external-ids. When setting
qos on an ovs port, query its qos and queue. If found, change qos on queried
queue and qos, otherwise create new queue and qos. When cleaning qos, query
and clean queues and qos in ovs table record by 'ifname' and 'vmid'.
Signed-off-by: Jinsheng Zhang <zhangjl02@inspur.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tell whether a port definition is an ovs managed virtual port
Signed-off-by: Jinsheng Zhang <zhangjl02@inspur.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
When seeing a guest with a sound device, and no audio backend, we
automatically add an audio backend XML element based on the historical
QEMU driver behaviour. Unfortunately when we live migrate back to an
old libvirt, it may not understand the audio driver type we configured.
We thus need to strip the default audio backend when migrating.
Fixes https://gitlab.com/libvirt/libvirt/-/issues/179
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
There might be misunderstanding [1] when libvirt permits domain
redefinition and if it's a valid case at all.
1. b973d7c4b4/plugins/modules/virt.py (L533)
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It all started as a simple bug: trying to move domain memory
between NUMA nodes (e.g. via virsh numatune) did not work. I've
traced the problem to qemuProcessHook() because that's where we
decide whether to rely on CGroups or use numactl APIs to satisfy
<numatune/>. The problem was that virCgroupControllerAvailable()
was telling us that cpuset controller is unavailable. This is
CGroupsV2, and pretty weird because CGroupsV2 definitely do
support cpuset controller and I had them mounted in a standard
way. What I found out (with Pavel's help) was that
virCgroupNewSelf() was looking into the following path to detect
supported controllers:
/sys/fs/cgroup/system.slice/cgroup.controllers
However, if there's no other VM running then the system.slice
only has 'memory' and 'pids' controllers. Therefore, we saw
'cpuset' as not available. The fix is to look at the top most
path, which has the full set of controllers:
/sys/fs/cgroup/cgroup.controllers
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1976690
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
When the qemu or libxl driver is configured to use lockd and
file_lockspace_dir is set, virtlockd emits an error when libvirtd
is retarted
May 25 15:44:31 virt81 virtlockd[7723]: Requested operation is not
valid: Lockspace for path /data/libvirtd/lockspace already exists
There is really no need to fail when the lockspace already exists,
paricularly since the user is expected to create the lockspace
specified in file_lockspace_dir. Failure to do so will prevent
starting any domains
virsh start test
error: Failed to start domain 'test'
error: Unable to open/create resource /data/libvirtd/lockspace/de22c4bf931e7c48b49e8ca64b477d44e78a51543e534df488b05ccd08ec5caa: No such file or directory
Also, virLockManagerLockDaemonSetupLockspace already has logic to ignore
the error. Since callers are not interested in the error, change
virtlockd to not report or return an error when the specified lockspace
already exists.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
If guest is configured to use memfd then the function that build
memory-backend-* part of command line will put
memory-backend-memfd, always. Even for NVDIMMs. This is not
correct, because NVDIMMs need a backing path (usually to a real
host NVDIMM device). Therefore, regardless of memfd being
requested, we have to stick with memory-backend-file.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
When constructing guest name for machined we have to be very
cautious as machined expects a name that's basically a valid URI.
Therefore, if there's a dot it has to be followed by a letter or
a number. And if there's a sequence of two or more dashes they
should be joined into a single dash. These rules are implemented
in virDomainMachineNameAppendValid(). There's the @skip variable
which is supposed to track whether it is safe to append a dot or
a dash into name. However, the variable is set to false (meaning
it is safe to append a dot or a dash) even if the current
character we are processing is not in the set of allowed
characters (and thus skipped over).
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1948433
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
In 'virResctrlAllocUpdateMask', mask is updated only if 'previous mask' is NULL.
By default, the bitmask for a cache resource for a VM is initialized with
'default-resctrl-group' bitmask. So the 'previous mask' would not be NULL and
mask won't get updated if cachetune is configured for a VM. This causes libvirt
to use same bitmask as 'default-resctrl-group' bitmask for a cache resource for
a VM. This patch fixes the issue.
Fixes: d8a354954a
Signed-off-by: Vinayak Kale <vkale@nvidia.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Bounding set capabilities were introduced in kernel commit of
v2.6.25-rc1~912. I guess it is safe to assume that all Linux
hosts we ran on have at least that version or newer.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
When trying to destroy a node device that is not active, we end up with
a confusing error message:
# nodedev-destroy mdev_88a6b868_46bd_4015_8e5b_26107f82da38
error: Failed to destroy node device 'mdev_88a6b868_46bd_4015_8e5b_26107f82da38'
error: failed to access '/sys/bus/mdev/devices/88a6b868-46bd-4015-8e5b-26107f82da38/iommu_group': No such file or directory
With this patch, the error is more clear:
# nodedev-destroy mdev_88a6b868_46bd_4015_8e5b_26107f82da38
error: Failed to destroy node device 'mdev_88a6b868_46bd_4015_8e5b_26107f82da38'
error: Requested operation is not valid: Device 'mdev_88a6b868_46bd_4015_8e5b_26107f82da38' is not active
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Currently, we have three different types of mdevctl errors:
1. the command cannot be constructed ecause of unsatisfied
preconditions
2. the command cannot be executed due to some error
3. the command is executed, but returns an error status
These different failures are handled differently. Some cases set an
error and return and error status, and some return a error message but
do not set an error.
This means that the caller has to check both whether the return value is
negative and whether the errmsg parameter is non-NULL before deciding
whether to report the error or not. The situation is further complicated
by the fact that there are occasional instances where mdevctl exits with
an error status but does not print an error message. This results in
errmsg being an empty string "" (i.e. non-NULL).
Simplify the situation by ensuring that virReportError() is called for
all error conditions rather than returning an error message back to the
calling function.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
This macro will be utilized in the following patch. Since mdevctl
commands can fail with or without an error message, this macro makes it
easy to print a fallback error in the case that the error message is not
set.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
In commit 68580a51, I removed the checks for NULL cmd variables because
virCommandRun() already handles the case where it is called with a NULL
cmd. Unfortunately, it handles this case by raising a generic error
which is both unhelpful and overwrites our existing error message. So
for example, when I attempt to create a mediated device with an invalid
parent, I get the following output:
virsh # nodedev-create mdev-test.xml
error: Failed to create node device from mdev-test.xml
error: internal error: invalid use of command API
With this patch, I now get a useful error message again:
virsh # nodedev-create mdev-test.xml
error: Failed to create node device from mdev-test.xml
error: internal error: unable to find parent device 'pci_0000_00_03_0'
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
At the point where the error message is emitted, the field def->name is
still set to "new device", so the error message becomes:
Unable to start mediated device 'new device': ...
Since the name doesn't contain anything useful, just omit it from the
error message altogether.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Due to a rather unfortunate misunderstanding, we were parsing the list
of defined devices from mdevctl incorrectly. Since my primary
development machine only has a single device capable of mdevs, I
apparently neglected to test multiple parent devices and made some
assumptions based on reading the mdevctl code. These assumptions turned
out to be incorrect, so the parsing failed when devices from more than
one parent device were returned.
The details: mdevctl returns an array of objects representing the
defined devices. But instead of an array of multiple objects (with each
object representing a parent device), the array always contains only a
single object. That object has a separate property for each parent
device.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It is possible to define/edit(in shut off state) a domain XML with
same hostdev device repeated more than once, as shown below. This
behavior is not expected. So, this patch fixes it.
vser1:
<domain type='kvm'>
[...]
<devices>
[...]
<hostdev mode='subsystem' type='mdev' managed='no' model='vfio-ccw'>
<source>
<address uuid='8e782fea-e5f4-45fa-a0f9-024cf66e5009'/>
</source>
<address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0005'/>
</hostdev>
<hostdev mode='subsystem' type='mdev' managed='no' model='vfio-ccw'>
<source>
<address uuid='8e782fea-e5f4-45fa-a0f9-024cf66e5009'/>
</source>
<address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0006'/>
</hostdev>
[...]
</devices>
</domain>
$ virsh define vser1
Domain 'vser1' defined from vser1
Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We already reject TPM 1.2 in a number of scenarios; let's add
ARM virt guests to the list.
https://bugzilla.redhat.com/show_bug.cgi?id=1970310
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Tested-by: Liu Yiding <liuyd.fnst@fujitsu.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The TPM 2.0 specification predates ARM virtualization, and so
implementing TPM 1.2 support on ARM was not considered a useful
endeavor.
This is technically a breaking change, but TPM support on ARM was
only introduced fairly recently (libvirt 7.1.0) and the previous
default resulted in non working TPM devices; anyone who has a
working configuration is not going to be affected.
https://bugzilla.redhat.com/show_bug.cgi?id=1970310
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Tested-by: Liu Yiding <liuyd.fnst@fujitsu.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
A process can access a file if the set of MCS categories
for the file is equal-to *or* a subset-of, the set of
MCS categories for the process.
If there are two VMs:
a) svirt_t:s0:c117
b) svirt_t:s0:c117,c720
Then VM (b) is able to access files labelled for VM (a).
IOW, we must discard case where the categories are equal
because that is a subset of many other valid category pairs.
Fixes: https://gitlab.com/libvirt/libvirt/-/issues/153
CVE-2021-3631
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
There are few cases where we execute a virCommand with all caps
cleared (virCommandClearCaps()). For instance
dnsmasqCapsRefreshInternal() does just that. This means, that
after fork() and before exec() the virSetUIDGIDWithCaps() is
called. But since the caller did not want to change anything,
just drop capabilities, these are the values of arguments:
virSetUIDGIDWithCaps (uid=-1, gid=-1, groups=0x0, ngroups=0,
capBits=0, clearExistingCaps=true)
This means that indeed all capabilities will be dropped,
including CAP_SETPCAP. But this capability controls whether
capabilities can be set, IOW whether capng_apply() succeeds.
There are two calls of capng_apply() in the function. The
CAP_SETPCAP is dropped after the first call and thus the other
call (capng_apply(CAPNG_SELECT_BOUNDS);) fails.
The solution is to keep the capability for as long as needed
(just like CAP_SETGID and CAP_SETUID) and drop it only at the
very end (just like CAP_SETGID and CAP_SETUID).
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1949388
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
I noticed the following denial when running confined VMs with the QEMU
driver
type=AVC msg=audit(1623865089.263:865): apparmor="DENIED" operation="open" \
profile="virt-aa-helper" name="/etc/ssl/openssl.cnf" pid=12503 \
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
Allow reading the file by including the openssl abstraction in the
virt-aa-helper profile.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
I noticed the following denial messages from apparmor in audit.log when
starting confined VMs via the QEMU driver
type=AVC msg=audit(1623864006.370:837): apparmor="DENIED" operation="open" \
profile="virt-aa-helper" name="/etc/libnl/classid" pid=11265 \
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
type=AVC msg=audit(1623864006.582:849): apparmor="DENIED" operation="open" \
profile="libvirt-0ca2720d-6cff-48bb-86c2-61ab9a79b6e9" \
name="/etc/libnl/classid" pid=11270 comm="qemu-system-x86" \
requested_mask="r" denied_mask="r" fsuid=107 ouid=0
It is possible for site admins to assign names to classids in this file,
which are then used by all libnl tools, possibly those used by libvirt.
To be on the safe side, allow read access to the file in the virt-aa-helper
profile and the libvirt-qemu abstraction.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
The host key fingerprint for SSH servers is used in a scenario where
cryptographic strength is important. We should thus be defaulting to
use of SHA256 where available. We only need SHA1 for Ubuntu 18.04
which does not have libssh >= 0.8.1
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Iterating over all child elements of a node does not require xpath.
By doing away with xpath for this code, the code can be simplified.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Cleanup to follow. This removes the last re-use of `nodes` in this function,
eliminating two VIR_FREEs.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Iterating over all child elements of a node does not require xpath.
By doing away with xpath for this code, the code can be simplified.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
