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It must be used when migration URI uses `unix:` transport because otherwise we
cannot just guess where to connect for disk migration.
https://bugzilla.redhat.com/show_bug.cgi?id=1638889
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Simplify virNetDevVethCreate by using common GenerateName/ReserveName
functions.
Signed-off-by: Shi Lei <shi_lei@massclouds.com>
Reviewed-by: Laine Stump <laine@redhat.com>
Simplify ReserveName/GenerateName for macvlan and macvtap by using
common functions.
Signed-off-by: Shi Lei <shi_lei@massclouds.com>
Reviewed-by: Laine Stump <laine@redhat.com>
Simplify GenerateName/ReserveName for netdevtap by using common
functions.
Signed-off-by: Shi Lei <shi_lei@massclouds.com>
Reviewed-by: Laine Stump <laine@redhat.com>
Extract ReserveName/GenerateName from netdevtap and netdevmacvlan as
common helper functions.
Signed-off-by: Shi Lei <shi_lei@massclouds.com>
Reviewed-by: Laine Stump <laine@redhat.com>
Commit 729a06c41 added code to the LXC driver (patterned after similar
code in the QEMU driver) that called
virNetDevMacVlanReserveName(net->ifname) for all type='direct'
interfaces during a libvirtd restart, to prevent other domains from
attempting to use a macvtap device name that was already in use by a
domain.
But, unlike a QEMU domain, when an LXC domain creates a macvtap
device, that device is almost immediately moved into the namespace of
the container (and it's then renamed, but that part isn't
important). Because of this, the LXC driver doesn't keep track (in
net->ifname) of the name used to create the device (as the QEMU driver
does).
The result of this is that if libvirtd is restarted while there is an
active LXC domain that has <interface type='direct'>, libvirtd will
segfault (since virNetDevMacVLanReserveName() doesn't check for a NULL
pointer).
The fix is to just not call that function in the case of the LXC
driver, since it is pointless anyway.
Fixes: 729a06c41a
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Contains changes utilizing "nosync" and "eatmydata" for speedup as well
as fixes for CentOS-8 repoid regression.
ci-commit: b098ec6631a85880f818f2dd25c437d509e53680
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Erik Skultety <eskultet@redhat.com>
In v6.8.0-27-g88957116c9 and friends I've switched the way the
default RAM is specified for QEMU (from plain -m to
memory-backend-*). This means, that even if a guest doesn't have
any NUMA nodes configured we can use memory-backend-* attributes
to translate user config requests. For instance, we can allow
memory to be shared (<access mode='shared'/> under
<memoryBacking/>). But what my original commits are missing is
allowing such configuration in our validator.
Fixes: 88957116c9
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1839034#c12
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Some functions in domain_validate.c are throwing VIR_ERR_XML_ERROR,
when in reality none of these errors are exclusive to XML parsing.
Change to VIR_ERR_CONFIG_UNSUPPORTED to be more adequate.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
All other validations from virDomainDefValidateInternal() are done
in their own functions. Take IOMMU validation out of the function
body and into its own function.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
After the move from the previous patch, these functions are now all
used in domain_validate.c and doesn't need to be public.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Moving all remaining static helpers of virDomainDeviceDefValidateInternal()
will allow the next patch to move the function itself, and
virDomainDeviceDefValidate(), to domain_validate.c.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The next objective is to move virDomainDeviceDefValidate() to
domain_validate.c. First let's move all the static helpers.
The net device validation functions are used across multiple
drivers, so let's move them separately first.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
virDomainDefValidateInternal() helpers can now be made static again
since they're all in the same file.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Move virDomainDeviceDefValidate() and all its helper functions to
domain_validate.c.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This patches moves the remaining static functions that
virDomainDefValidateInternal() uses to domain_validate.c. This
allows the next patch to move virDomainDefValidateInternal(),
and virDomainDefValidate(), without too much hassle.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
virDomainDefValidateAliases() is one of the static functions that
needs to be handled before moving virDomainDefValidateInternal().
Let's move all related validate functions to domain_validate.c
at the same time.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Next patch will move virDomainDefValidateAliases() to domain_validate.c,
which uses virDomainDeviceInfoIterateInternal(), meaning that this
function will be made public. Rename it now to remove the 'Internal'
of its name.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
virDomainDefCheckDuplicateDiskInfo() and virDomainDefCheckDuplicateDriveAddresses()
are static functions used by virDomainDefValidateInternal(). Let's
move them to domain_validate.c to start clearing up the path to
move virDomainDefValidateInternal().
Change the functions name slightly to be more on par with their
new home.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
With commit 09364608b4 node_device: refactor address retrieval of node device
"if-else if" was replaced by "switch".
The contained break statement now is no longer in context of the for loop
but instead of the switch causing the legitimate grumpiness of coverity.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Suggested-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Now that virPCIDeviceIsPCIExpress() checks the length of the file when
the process lacks sufficient privilege to read the entire PCI config
file in sysfs, we can remove the open-coding for that case from its
consumer.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Until now there has been an extra bit of code in
qemuDomainDeviceCalculatePCIConnectFlag() (one of the two callers of
virPCIDeviceIsPCIExpress()) that tries to determine if a device is
PCIe by looking at the *length* of its sysfs config file; it only does
this when libvirt is running as a non-root process.
This patch takes advantage of our newfound ability to tell the
difference between "I read a 0 from the device PCI config file" and "I
couldn't read the PCI Express Capabilities because I don't have
sufficient permission" to put the file length check down in
virPCIDeviceIsPCIExpress(), and do that check any time we fail while
reading the config file (not only when the process is non-root).
Fixes: https://bugzilla.redhat.com/1901685
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Previously there was no way to differentiate between this function 1)
encountering an error while reading the pci config, and 2) determining
that the device in question is a conventional PCI device, and so has
no Express Capabilities.
The difference between these two conditions is important, because an
unprivileged libvirtd will be unable to read all of the pci config (it
can only read the first 64 bytes, and will get ENOENT when it tries to
seek past that limit) even though the device is in fact a PCIe device.
This patch changes virPCIDeviceFindCapabilityOffset() to put the
determined offset into an argument of the function (rather than
sending it back as the return value), and to return the standard "0 on
success, -1 on failure". Failure is determined by checking the value
of errno after each attemptd read of the config file (which can only
work reliably if errno is reset to 0 before each read, and after
virPCIDeviceFindCapabilityOffset() has finished examining it).
(NB: if the config file is read successfully, but no Express
Capabilities are found, then the function returns success, but the
returned offset will be 0 (which is an impossible offset for Express
Capabilities, and so easily recognizeable).
An upcoming patch will take advantage of the change made here.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The new message is more verbose/useful, but only logged at debug level
instead of as a warning (since it could easily happen in a non-error
situation).
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This function returned an int, but would only return 0 or 1, and the
one place it was called would just use !! to convert that value to a
bool. Change the function to directly return bool instead.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This function returned an int, and that int was being checked for < 0
in its solitary caller, but within the function it would only ever
return 0 or 1. Change the function itself to return a bool, and the
caller to just directly set the flag in the virPCIDevice.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The one instance of a virPCIDevice in
qemuDomainDeviceCalculatePCIConnectFlags() needs to be converted to
use g_autoptr as a prerequisite for a bugfix. It's in this patch by
itself (rather than in a patch converting all virPCIDevice usages to
g_autoptr) to simplify any backport of said bugfix.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
qemu-5.2 is out! Let's update the capabilities for the final version.
Note that the 'enable-fips' feature vanishing in this update is expected
as the removal was tied to a version check (see commit 7b1ed1cd73 ).
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Nwfilter can be edited by the user and we don't want to overwrite the editings.
Also the filters in %{datadir} does not have UUIDs and these are generated on
libvirtd start. Thus this patch also fixes regeneration of UUIDs on libvirtd
update.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
We already check addr is not negative right after filling
its value. There's no need to check it before using it too.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: a7a1d1f59e
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Although the function currently only returns errors for PCI addresses,
check it here too, in case that changes in the future.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The refactor left in the 'if (addr)' check,
but before 'addr' was the return value of strchr
and now it's the return value of virshAddressParse.
Check 'a' instead since that's the return of strchr now.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: 67bf91e1c3
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We decided to not do metadata-less checkpoints and checking whether the
metadata is consistent is done once the data is actually needed. Remove
the comment.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The alignment step is not really necessary once we've done it already
since we fully populate the definition. In case of checkpoints it was a
relic necessary for populating the 'idx' to match checkpoint disk to
definition disk, but that was already removed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Allow mdev devices to be created on the matrix device.
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: Erik Skultety <eskultet@redhat.com>
Use switch statements instead of if-else condition in the method
nodeDeviceFindAddressByName to retrieve address of a node device.
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: Erik Skultety <eskultet@redhat.com>
Add support to filter by 'ap_matrix' capability.
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: Erik Skultety <eskultet@redhat.com>
Add tests to verify libvirt node device driver support for AP matrix
device.
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: Erik Skultety <eskultet@redhat.com>
