This supports sockets created by libvirt and passed by FD using the
same method as in security_dac.c.
Signed-off-by: David Michael <david@bigbadwolfsecurity.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
According to [1]:
Prior to GnuTLS 3.6.0 for the ephemeral or anonymous
Diffie-Hellman (DH) TLS ciphersuites the application was
required to generate or provide DH parameters. That is no
longer necessary as GnuTLS utilizes DH parameters and
negotiation from [RFC7919].
This allows us to:
a) drop the code that's setting DH params,
b) drop @dhParams member from _virNetTLSContext struct. and
c) drop gnutls_dh_params_generate2() mock.
1: https://www.gnutls.org/manual/html_node/Parameter-generation.html
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Released almost 5 years ago, gnutls-3.6.0 brings some important
features (which are utilized in next commit). Hence, require that
version at least.
Per repology, currently shipped versions are:
RHEL-8: 3.6.16
RHEL-9: 3.7.3
Debian 11: 3.7.1
Debian 12: 3.7.6
openSUSE Leap 15.3: 3.6.7
Ubuntu LTS 20.04: 3.6.13
Ubuntu LTS 22.04: 3.7.3
FreeBSD 12: 3.7.6
Fedora 34: 3.7.4
Fedora 35: 3.7.6
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Ever since v7.6.0-rc1~235 we can use ovs-vsctl to set QoS instead
of tc. However, we don't have a test that's verifying generated
cmd line for ovs-vsctl.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Our coding style expects a long line to be broken into shorter
lines which are then aligned on the first character, for
instance:
"some string that's broken "
"into multiple lines"
However, one can argue that there are few cases where shifting
the alignment makes the code more readable. And this is the case
of expected cmd line for DO_TEST_SET() where a long cmd line can
be aligned on the arguments rather than the binary:
TC " filter ..."
" police ..."
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The last usage of the testMinimalStruct struct was removed in
v1.2.2-rc1~206 which forgot to remove the struct as well. Remove
it now.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Some cases that call DO_TEST_SET() macro wrap each argument in
curved brackets. This is unnecessary, drop the brackets.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
When resuming post-copy migration users may want to limit the bandwidth
used by the migration and use a value that is different from the one
specified when the migration was originally started.
Resolves: https://gitlab.com/libvirt/libvirt/-/issues/333
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
So the we can apply selected migration parameters even when resuming
post-copy migration.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We will need to annotate individual parameters a bit more than just
noting their type. Let's introduce qemuMigrationParamInfo replacing
simple qemuMigrationParamTypes with an array of structs.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The flags will later be used to determine which parameters should
actually be applied.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
My original commit v8.4.0-288-gf01fc4d119 accidentally forgot to fix
both instances of the same problem. While it fixed the destination side
of migration, the source one remained broken.
However, that commit was also wrong in saying the issue could have
caused unlimited memory locking to be allowed for QEMU when RDMA
migration was used. It could not, because the code would refuse to even
think about starting RDMA migration if hard_limit was not set. But
avoiding the "mem.hard_limit > 0" check is useful anyway.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Introduced in v8.4.0-rc1~183 but the first real problem
introduced in v8.4.0-rc1~170, there's a
qemuBuildInterfaceConnect() call inside of
qemuDomainAttachNetDevice(). If the former fails, then the
function is immediately returned from instead of jumping onto the
cleanup label. This is crucial, because at this point the domain
definition contains 'borrowed' net definition, which is then
freed, since an error was met. The domain definition is then left
with a dangling pointer which leads to all sorts of different
crashes.
Fixes: 29d022b1eb
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2102009
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
When introducing VIR_DOMAIN_IOTHREAD_THREAD_POOL_MIN and
VIR_DOMAIN_IOTHREAD_THREAD_POOL_MAX typed parameters, I've made a
shortcut. Since at the monitor level these two are set in two
separate calls and minimum has to be always smaller than maximum
(or equal to it), it may happen that one of the values we want to
set violates this restriction. So I've put a little note in the
public API description warning users about this.
However, the proper solution is to have a logic that checks the
current values and based on that set either minimum or maximum
value first. But until we get there, remove that note from the
public API before it gets released.
Related: https://gitlab.com/libvirt/libvirt/-/issues/339
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Updated by "Update PO files to match POT (msgmerge)" hook in Weblate.
Translation: libvirt/libvirt
Translate-URL: https://translate.fedoraproject.org/projects/libvirt/libvirt/
Co-authored-by: Weblate <noreply@weblate.org>
Signed-off-by: Fedora Weblate Translation <i18n@lists.fedoraproject.org>
An explicit limit would be more user friendly. Add the limit to error message.
Before this commit:
```
error: requested size must be smaller than or equal to @size
```
Now:
```
error: requested size must be smaller than or equal to @size (8388608KiB)
```
Signed-off-by: Liu Yiding <liuyd.fnst@fujitsu.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There are couple of features/improvements/bugfixes I contributed
into the upcoming release. Include those worth mentioning in the
NEWS.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add <interleave> to allow the subproperties to be specified in any
order.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Document the format of the 'readahead' and 'timeout' XML elements more
accurately.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The flag can be used to enable zero-copy mechanism for migrating memory
pages.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Our documentation says RDMA migration requires hard_limit to be set so
that we know how big memory locking limit should be set for the domain
during migration. But since commit v1.2.13-71-gcf521fc8ba (which changed
the default hard_limit value from 0 to
VIR_DOMAIN_MEMORY_PARAM_UNLIMITED) we were actually setting memlock
limit to unlimited if hard_limit was not set.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
For RDMA migration we update memory locking limit, but never set it back
once migration finishes (on the destination host) or aborts (on the
source host).
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This helper will not try to set the limit if it is already big enough,
which may be useful when libvirt daemon is running in a containerized
environment and is not allowed to change memory locking limit.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
qemuDomainAdjustMaxMemLock combined computing the desired limit with
applying it. This patch separates the code to apply a memory locking
limit to a new qemuDomainSetMaxMemLock helper for better reusability.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
For all file formats, the length of the size field is assumed
and hardcoded to be 8 bytes.
Fix the length for the ploop format - since we specify the offset,
we read 8 bytes of the length, not 0.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Evaluate the XPath as a boolean, instead of trying to get a node
out of it.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The mailman for mailing lists hosted by Red Hat seems to have moved
to listman.redhat.com. While the old links still seem to work,
point our docs to the new location to avoid the redirect.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use VIR_AUTOCLOSE for the remaining file descriptor that uses
manual cleanup and remove the label.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Use g_autofree for the two strings still using manual cleanup
and remove the pointless cleanup label.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Convert all the cases where we can unconditionally free
the virURI at the end of scope.
In libxlDomainMigrationDstPrepare, uri is only filled
if uri_in was present, so moving the virURIFree out of
the condition is safe.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The result of the <= 0 comparison was assigned to 'rc', rendering the
if (rc == 0) condition dead code.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
When domain startup fails, domain cleanup calls
libxlNetworkUnwindDevices, which calls virGetConnectNetwork, which
is a top level API entry point, which resets the initial saved error,
leading to clients seeing:
error: An error occurred, but the cause is unknown
This preserves the error around the entire teardown process, similar
to what is done in the qemu driver.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Replace tpm->type and tpm->model qemuCaps validation with the
similar logic in domcaps.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Don't restrict this to domcaps testing only, we will soon
need it for qemu command line validation
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
The qemu `tpm-tis` device is an ISA device, so only really applicable
to x86 archs. For all non-x86 archs we should use `tpm-tis-device`
This fixes tpm-tis usage on armv7l and riscv
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
