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From QEMU docs/interop/qcow2.txt :
Byte 20 - 23: cluster_bits
Number of bits that are used for addressing an offset
within a cluster (1 << cluster_bits is the cluster size).
With this patch libvirt will be able to report the current cluster_size
for all existing storage volumes managed by storage driver.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The default value hard-coded in QEMU (64KiB) is not always the ideal.
Having a possibility to set the cluster_size by user may in specific
use-cases improve performance for QCOW2 images.
QEMU internally has some limits, the value has to be between 512B and
2048KiB and must by power of two, except when the image has Extended L2
Entries the minimal value has to be 16KiB.
Since qemu-img ensures the value is correct and the limit is not always
the same libvirt will not duplicate any of these checks as the error
message from qemu-img is good enough:
Cluster size must be a power of two between 512 and 2048k
Resolves: https://gitlab.com/libvirt/libvirt/-/issues/154
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
When building a commandline for a DIMM memory device with
non-default access mode, the qemuBuildMemoryBackendProps() will
tell QEMU to allocate memory from per-domain memory backing dir.
But later, when preparing the host, the
qemuProcessNeedMemoryBackingPath() does not check for memory
devices at all resulting in per-domain memory backing dir not
being created which upsets QEMU.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1961114
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We do not need to look for a suitable binary in the vhost-user
description files, if we aren't the ones starting it.
Otherwise startup will fail with:
error: Failed to start domain 'vm1'
error: operation failed: Unable to find a satisfying virtiofsd
https://bugzilla.redhat.com/show_bug.cgi?id=1855789
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In previous commit the virDomainCoreDumpWithFormat() API gained
new format. Expose it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
QEMU gained support for 'win-dmp' format in it's release of 3.0,
but libvirt doesn't implement it yet. Fortunately, there not much
needed: new value to virDomainCoreDumpFormat public enum, which
unfortunately means that QEMU driver has to be updated in the
same commit, because of VIR_ENUM_IMPL().
Luckily, we don't need any extra QEMU capability - the code
already checks supported formats via
'query-dump-guest-memory-capability' just before issuing
'dump-guest-memory'.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The comment to virDomainCoreDumpFormat enum says that new values
can be introduced in the future "as new events are added". Well,
it should have been "formats" instead of "events", obviously.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Clang complains:
../libvirt/src/conf/node_device_conf.c:1945:74: error: result of comparison of unsigned enum expression < 0 is always false [-Werror,-Wtautological-unsigned-enum-zero-compare]
if ((mdev->start = virNodeDevMdevStartTypeFromString(starttype)) < 0) {
Fixes: 42a5585499
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`ULLONG_MAX + value + 1`) for attribute `reg`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute, as it
refers to a 32 bit address space.
Signed-off-by: Tim Wiederhake <twiederh@redhat.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>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `aw_bits`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `id`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.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>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `latency`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
virNetDevOpenvswitchInterfaceGetMaster is declared twice in
src/util/virnetdevopenvswitch.h. Remove the last one.
Signed-off-by: Peng Liang <liangpeng10@huawei.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add the rest of the mdev xml files to the xml2xml test, and include 2
new test cases: one that explicitly specifies 'manual' start, and one
that explicitly specifies 'auto' start.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This adds a new element to the mdev capabilities xml schema that
represents the start policy for a defined mediated device. The actual
auto-start functionality is handled behind the scenes by mdevctl, but it
wasn't yet hooked up in libvirt.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Currently, we're loading and parsing the xml from the input file, and
then formatting it and then comparing it directly back to the input
file. This works for now, but is severely limiting as it relies on the
input file being fully-specified and in the exact order as the output
xml format.
If optional elements are ommitted in the input XML, the output xml
may include default values for the ommitted elements and thus the output
will not match the input.
In order to allow more flexibility in testing, save the expected output
to a seprate 'out' directory similar to what most of the other xml2xml
tests are already doing.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The passed libxl_domain_config is owned, and already initialized, by the
caller.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
These functions initialize @ret to true and only after something
fails either they call cleanup code (which consists only from
virshDomainFree()) and return false, or they set ret = false and
carry on (when the failure occurred close to cleanup code).
Switch them to the usual pattern in which ret is initialized to
failure, goto cleanup is used and ret is set to true only after
everything succeeded.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
In my commit of v7.1.0-rc1~376 I've simplified the logic of
handling @flags. My assumption back then was that calling
virDomainSetMemory() is equivalent to
virDomainSetMemoryFlags(flags = 0). But that is not the case,
because it is equivalent to virDomainSetMemoryFlags(flags =
VIR_DOMAIN_AFFECT_LIVE). Fix the condition that calls the old
API.
Fixes: b5e267e8c5
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1961118
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Introduce replies and xml files for QEMU 6.0.0 on s390x.
Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Add test data based on qemu commit v6.0.0-540-g6005ee07c3.
Notable changes are the removal of 'sheepdog' disk storage protocol.
Additionally the cpu model reported when probing seems to have changed
from:
"model-id": "AMD Ryzen 9 3900X 12-Core Processor "
to:
"model-id": "QEMU TCG CPU version 2.5+"
despite building on the same machine. This probably also results in the
2 test changes in the CPU definition which popped up in this update.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
QEMU is dropping sheepdog support in 6.1 so we need to limit the test
case to the latest version supporting sheepdog as it won't be described
by the QMP schema any more.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
QEMU dropped sheepdog support for the 6.1 release. Since we use schema
validation in the image creation it would create test failures.
In this instance we just drop the test altogether as adding versioned
capabilities would be a bit too overkill for this scenario.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
For the real-capabilities test cases testing 'latest' capabilities we
strip off the alias from 'pc' to the appropriate versioned machine type
to prevent update to all tests when bumping qemu capabilities.
Recenly we also started caching the capabilities to prevent re-parsing
the XML all the time. The commit adding the caching kept the alias
stripping prior to cache insertion, thus the cache contains the stripped
alias.
This leads to problem when a test case is added where the 'latest'
equals to the selected version.
Move the machine alias stripping after we create a local copy thus
stripping it only for 'latest' tests.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The initial variant of libxlDomainChangeEjectableMedia could just leave
the function earlier. With refcounting this does not work anymore.
Fixes commit a5bf06ba34
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `number`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `bufferCount`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `bufferCount`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `port`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `timeout`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attributes `cyls`, `heads` and `secs`.
Allowing negative numbers to be interpreted this way makes no sense for
these attributes.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `startport`. Allowing negative
numbers to be interpreted this way makes no sense for this attribute.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
Since Xen 4.5 libxl allows to set affinities during domain creation.
This enables Xen to allocate the domain memory on NUMA systems close to
the specified pcpus.
Libvirt can now handle <domain/cputune/vcpupin> in domU.xml correctly.
Without this change, Xen will create the domU and assign NUMA memory and
vcpu affinities on its own. Later libvirt will adjust the affinity,
which may move the vcpus away from the assigned NUMA node.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
The aim of this function is to return whether domain definition
and/or memory device that user intents to hotplug needs a private
path inside cfg->memoryBackingDir. The rule for the memory device
that's being hotplug includes checking whether corresponding
guest NUMA node needs memoryBackingDir. Well, while the rationale
behind makes sense it is not necessary to check for that really -
just a few lines above every guest NUMA node was checked exactly
for that.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The aim of qemuProcessNeedHugepagesPath() is to return whether
guest needs private path inside HugeTLBFS mounts (deducted from
domain definition @def) or whether the memory device that user is
hotplugging in needs the private path (deducted from the @mem
argument). The actual creation of the path is done in the only
caller qemuProcessBuildDestroyMemoryPaths().
The rule for the first case (@def) and the second case (@mem) is
the same (domain has a DIMM device that has HP requested) and is
written twice. Move the logic into a function to deduplicate the
code.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The minimal version of QEMU is 2.11.0 which means we can drop
test cases for older versions.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
