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This is going to be important later when we received
DEVICE_DELETED event on the qemu monitor. If we do,
virDomainDefFindDevice() is called to find the device for given
device alias in the virDomainDef tree. When we enable removal for
redirdevs we need to include them in the lookup process too.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Basically, there are just two functions introduced here:
virDomainRedirdevDefFind which looks up given redirdev in domain
definition, and virDomainRedirdevDefRemove which removes the
device at given index in the array of devices.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
There's currently just one limitation: redirdevs that want to go
on USB bus require a USB controller, surprisingly.
At the same time, since I'm using virDomainDefHasUSB() in this
new validator function, it has to be moved a few lines up and
also its header needed to be changed a bit: it is now taking a
const pointer to domain def since it's not changing anything in
there.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Our current detection code uses just the number of CPU features which
need to be added/removed from the CPU model to fully describe the CPUID
data. The smallest number wins. But this may sometimes generate wrong
results as one can see from the fixed test cases. This patch modifies
the algorithm to prefer the CPU model with matching signature even if
this model results in a longer list of additional features.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The CPU model was implemented in QEMU by commit f6f949e929.
The change to i7-5600U is wrong since it's a 5th generation CPU, i.e.,
Broadwell rather than Skylake, but that's just the result of our CPU
detection code (which is fixed by the following commit).
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Without that we might get similar messages in the log:
error : virDriverLoadModule:73 : failed to load module
/usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so
/usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so: undefined
symbol: virStorageFileCreate
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
While we need to know the difference between the total memory stored in
<memory> and the actual size not included in the possible memory modules
we can't pre-calculate it reliably. This is due to the fact that
libvirt's XML is copied via formatting and parsing the XML and the
initial memory size can be reliably calculated only when certain
conditions are met due to backwards compatibility.
This patch removes the storage of 'initial_memory' and fixes the helpers
to recalculate the initial memory size all the time from the total
memory size. This conversion is possible when we also make sure that
memory hotplug accounts properly for the update of the total memory size
and thus the helpers for inserting and removing memory devices need to
be tweaked too.
This fixes a bug where a cold-plug and cold-remove of a memory device
would increase the size reported in <memory> in the XML by the size of
the memory device. This would happen as the persistent definition is
copied before attaching the device and this would lead to the loss of
data in 'initial_memory'.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1344892
There was no documentation at all for the XML part. I added at least
some. The 2.0.0 introduction date is deliberate as the parser for the
XML is broken.
The schema file was missing entries for 'mbml' and 'mbmt'.
When converting domXML to xen xl.cfg, backendtype should
not be emitted if <driver> is not specified. Moreover,
<driver name='file'/> should be converted to backendtype
qdisk, similar to handling of <driver> in libxlMakeDisk()
in libxl_conf.c.
Prior to this change, connectDomainXMLToNative would
produce incorrect xl.cfg when the input domXML contained
<driver name='file'/>
domXML:
<disk type="file" device="disk">
<driver name="file"/>
<source file="/image/file/path"/>
<target dev="xvda" bus="xen"/>
</disk>
virsh domxml-to-native xen-xl domXML
disk = [ "format=raw,vdev=xvda,access=rw,backendtype=target=/image/file/path" ]
xl create xl.cfg
config parsing error in disk specification: unknown value
for backendtype: near `target=/image/file/path' in
`format=raw,vdev=xvda,access=rw,backendtype=target=/image/file/path'
Commit b3d069872c added peer address setting to the low level
virNetDevSetIPAddress() function, but ended up causing a segfault in
cases where the caller passed NULL for peer address.
Commit a3510e33d3 fixed the segfault, but managed to cause us to
skip setting the broadcast address when setting an interface's IP
address. The result is that the broadcast address is 0.0.0.0 for all
libvirt-created bridges (and interfaces in lxc containers with IP
addresses set by libvirt).
This was reported on the mailing list:
https://www.redhat.com/archives/libvir-list/2016-June/msg00027.html
but I was too busy to investigate at the time. I found it by accident
today while refactoring virNetDevSetIPAddress(). Since this regression
is present in the 1.3.5 release, I'm sending the bugfix as a separate
patch from my larger refactoring patchset.
Until now, a Q35 domain (or arm/virt, or any other domain that has a
pcie-root bus) would always have a pci-bridge added, so that there
would be a hotpluggable standard PCI slot available to plug in any PCI
devices that might be added. This patch removes the explicit add,
instead relying on the pci-bridge being auto-added during PCI address
assignment (it will add a pci-bridge if there are no free slots).
This doesn't eliminate the dmi-to-pci-bridge controller that is
explicitly added whether or not a standard PCI slot is required (and
that is almost never used as anything other than a converter between
pcie.0's PCIe slots and standard PCI). That will be done separately.
Previously there was no way to have a Q35 domain that didn't have
these two controllers. This patch skips their creation as long as
there are some other kinds of pci controllers at index 1 and 2
(e.g. some pcie-root-port controllers).
I'm hoping that soon we won't add them at all, plugging all devices
into auto-added pcie-*-port ports instead, but in the meantime this
makes it easier to experiment with alternative bus hierarchies.
Implement storage pool event callbacks for START, STOP, DEFINE, UNDEFINED
and REFRESHED in functions when a storage pool is created/started/stopped
etc. accordingly
Storage pool lifecycle event API entry points for registering and deregistering
storage pool events, as well as types of events associated with storage pools.
These entry points will be used for implementing asynchronous lifecycle events.
Storage pool API:
virConnectStoragePoolEventRegisterAny
virConnectStoragePoolEventDeregisterAny
virStoragePoolEventLifecycleType which has events STARTED, STOPPED, DEFINED,
UNDEFINED, and REFRESHED
The other two DomainHasBlockJob usage error messages don't contain
'an', so unify things to save translators some effort. Dropping
the 'an' is closer to the sentence structure in the errors from
qemuDomainDiskBlockJobIsActive as well
In the auth config file, it is currently required to have
an entry for each hostname to connect to, eg
[auth-libvirt-prod1.example.com]
credentials=prod
This is inconvenient when there are large numbers of machines
all with the same credentials. Add support for a default
entry:
[auth-default]
credentials=prod
This checks forbids using "can not" and checks the placement
of some texinfo tags.
Drop it since we do not use texinfo and the check takes almost
twice as much as the rest of the checks.
This allows us to produce releases that are roughly a third in
size, have no limitation on path length, and are still readable
by all supported platforms.
We do not need a separate check forbidding whitespace
after the opening parenthesis after a keyword -
we forbid it after all of them.
The only allowed whitespace after an opening parenthesis
is a newline, tune the regex to reflect that.
Instead of matching multiple characters before the parenthesis,
only check for a single whitespace, which is much less cpu-intensive.
This only matches a few dozen of places where they are on an separate
line, filter out those with a separate regex.
