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According to docs, using 'lun' as a value for device attribute is only valid
with disk types 'block' and 'network'. However current RNG schema also allows
a combination type='file' device='lun' which results in a successfull
xml validation, but fails at qemuBuildCommandLine.
Besides fixing the RNG schema, this patch also adds a qemuxml2argvtest
for this case.
https://bugzilla.redhat.com/show_bug.cgi?id=1210669
The <inbound/> element to <bandwidth/> has several attributes from
which two are mandatory. Well, from two at least one has to be
present: @average or @floor or both. Instead of inventing crazy RNG
schema, let's make all the attributes optional there and rely on our
parsing code to correctly handle the situation.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
On IRC, Hydrar pointed a problem where 'virsh edit' failed on
his domain created through an ISCSI pool managed by virt-manager,
all because the XML included a block device with colons in the
name.
* docs/schemas/basictypes.rng (absFilePath): Add colon as safe.
* tests/qemuxml2argvdata/qemuxml2argv-disk-iscsi.xml: New file.
* tests/qemuxml2argvdata/qemuxml2argv-disk-iscsi.args: Likewise.
* tests/qemuxml2argvtest.c (mymain): Test it.
Signed-off-by: Eric Blake <eblake@redhat.com>
When using QEMU's 9pfs the target "dir" element is not necessarily an
absolute path but merely an arbitrary identifier. So validation in that
case currently fails with the misleading
$ virt-xml-validate /tmp/test.xml
Relax-NG validity error : Extra element devices in interleave
/tmp/test.xml:24: element devices: Relax-NG validity error : Element domain failed to validate content
/tmp/test.xml fails to validate
because network address is required by route, so
here we should add one avoid user misunderstand.
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
The virNodeDeviceDettach API only works on PCI devices.
Originally added by commit 10d3272e, but the API never
supported USB devices.
Reported by: Martin Polednik <mpolednik@redhat.com>
Commit bab2eda changed the behavior for missing compat attribute,
but failed to update the documentation.
Before, the option was omitted from qemu-img command line and the
qemu-img default was used. Now we always specify the compat value
and the default is 0.10.
Reported by Christophe Fergeau
https://bugzilla.gnome.org/show_bug.cgi?id=746660#c4
This patch adds code that parses and formats configuration for memory
devices.
A simple configuration would be:
<memory model='dimm'>
<target>
<size unit='KiB'>524287</size>
<node>0</node>
</target>
</memory>
A complete configuration of a memory device:
<memory model='dimm'>
<source>
<pagesize unit='KiB'>4096</pagesize>
<nodemask>1-3</nodemask>
</source>
<target>
<size unit='KiB'>524287</size>
<node>1</node>
</target>
</memory>
This patch preemptively forbids use of the <memory> device in individual
drivers so the users are warned right away that the device is not
supported.
To enable memory hotplug the maximum memory size and slot count need to
be specified. As qemu supports now other units than mebibytes when
specifying memory, use the new interface in this case.
Add a XML element that will allow to specify maximum supportable memory
and the count of memory slots to use with memory hotplug.
To avoid possible confusion and misuse of the new element this patch
also explicitly forbids the use of the maxMemory setting in individual
drivers's post parse callbacks. This limitation will be lifted when the
support is implemented.
Wikipedia's list of common misspellings [1] has a machine-readable
version. This patch fixes those misspellings mentioned in the list
which don't have multiple right variants (as e.g. "accension", which can
be both "accession" and "ascension"), such misspellings are left
untouched. The list of changes was manually re-checked for false
positives.
[1] https://en.wikipedia.org/wiki/Wikipedia:Lists_of_common_misspellings/For_machines
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
I spent quite some time figuring that backingStore info
isn't included in the dom xml, unless guest is up and
running. Hopefully putting that in the doc should help.
Also, several people have complained that libvirt reports
a backing file as raw, even though they expected it to be
qcow2; where the culprit is usually the user forgetting to
create the file with qemu-img create -o backing_fmt=qcow2.
This patch adds that info to the doc.
Signed-off-by: Deepak C Shetty <deepakcs@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Midonet is an opensource virtual networking that over lays the IP
network between hypervisors. Currently, such networks can be made
with the openvswitch virtualport type.
This patch, defines the schema and documentation that will serve
as basis for the follow up patches that will add support to libvirt
for using Midonet virtual ports for its interfaces. The schema
definition requires that the port profile expresses its interfaceid
as part of the port profile. For that reason, this is part of the
patch too.
Signed-off-by: Antoni Segura Puimedon <toni+libvirt@midokura.com>
We're parsing memballoon status period as unsigned int, but when we're
trying to set it, both we and qemu use signed int. That means large
values will get wrapped around to negative one resulting in error.
Basically the same problem as commit e3a7b874 was dealing with when
updating live domain.
QEMU changed the accepted value to int64 in commit 1f9296b5, but even
values as INT_MAX don't make sense since the value passed means seconds.
Hence adding capability flag for this change isn't worth it.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1140958
Signed-off-by: Luyao Huang <lhuang@redhat.com>
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
All the devices we have format their address as its last sub-element, so
let's change memballoon to follow suit. Also adjust RNG to allow any
order of them so 'virsh edit' doesn't shout at us.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Now that the size of guest's memory can be inferred from the NUMA
configuration (if present) make it optional to specify <memory>
explicitly.
To make sure that memory is specified add a check that some form of
memory size was specified. One side effect of this change is that it is
no longer possible to specify 0KiB as memory size for the VM, but I
don't think it would be any useful to do so. (I can imagine embedded
systems without memory, just registers, but that's far from what libvirt
is usually doing).
Forbidding 0 memory for guests also fixes a few corner cases where 0 was
not interpreted correctly and caused failures. (Arguments for numad when
using automatic placement, size of the balloon). This fixes problems
described in https://bugzilla.redhat.com/show_bug.cgi?id=1161461
Test case changes are added to verify that the schema change and code
behave correctly.
The version attribute in redirdev filters refers to the revision
of the device, not the version of the USB protocol.
Explicitly state that this is not the USB protocol and remove references
to those round version numbers that resemble USB protocol versions.
https://bugzilla.redhat.com/show_bug.cgi?id=1177237
Our code supports that for ages. When using a <filterref/> to an
<interface/> several parameters can be passed to the filter. Later,
when building firewall rules, parameters are substituted for their
values. However, our RNG schema allowed only one parameter to be
passed.
Reported-by: Brian Rak <brak@gameservers.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
To prevent a confusion about missing chardev argument in qemu
command line add a note about that behavior into documentation.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1129198
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
There was a mess in the way how we store unlimited value for memory
limits and how we handled values provided by user. Internally there
were two possible ways how to store unlimited value: as 0 value or as
VIR_DOMAIN_MEMORY_PARAM_UNLIMITED. Because we chose to store memory
limits as unsigned long long, we cannot use -1 to represent unlimited.
It's much easier for us to say that everything greater than
VIR_DOMAIN_MEMORY_PARAM_UNLIMITED means unlimited and leave 0 as valid
value despite that it makes no sense to set limit to 0.
Remove unnecessary function virCompareLimitUlong. The update of test
is to prevent the 0 to be miss-used as unlimited in future.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1146539
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Adding functionality to libvirt that will allow it
query the ethtool interface for the availability
of certain NIC HW offload features
Here is an example of the feature XML definition:
<device>
<name>net_eth4_90_e2_ba_5e_a5_45</name>
<path>/sys/devices/pci0000:00/0000:00:03.0/0000:08:00.1/net/eth4</path>
<parent>pci_0000_08_00_1</parent>
<capability type='net'>
<interface>eth4</interface>
<address>90:e2:ba:5e:a5:45</address>
<link speed='10000' state='up'/>
<feature name='rx'/>
<feature name='tx'/>
<feature name='sg'/>
<feature name='tso'/>
<feature name='gso'/>
<feature name='gro'/>
<feature name='rxvlan'/>
<feature name='txvlan'/>
<feature name='rxhash'/>
<capability type='80203'/>
</capability>
</device>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
In commit edd1295e1d I've introduced an
XML element that allows to configure state of the network interface
link. Somehow the RNG schema hunk ended up in a weird place in the
network schema definition. Move it to the right place and add a test
case.
Note that the link state is set up via the monitor at VM startup so I
originally didn't think of adding a test case.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1173468
https://bugzilla.redhat.com/show_bug.cgi?id=1181062
According to the formatstorage.html description for <source> element
and "format" attribute: "All drivers are required to have a default
value for this, so it is optional."
As it turns out the disk backend did not choose a default value, so I
added a default of "msdos" if the source type is "unknown" as well as
updating the storage.html backend disk volume driver documentation to
indicate the default format is dos.
Our documentation isn't 100% clear about hostdev 'managed' attribute usage,
because it only makes sense to use it with PCI devices, yet we format
this attribute to all hostdev devices. By adding a note into the docs,
we can possibly avoid confusion from customer's side and also avoid a solution
using ternary logic.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1155887
As reported on the libvirt-users list [1], there's new web
application called mist.io which uses libvirt as one of its
backends. Lets add it into our list of libivrt based
applications.
1: https://www.redhat.com/archives/libvirt-users/2015-February/msg00096.html
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The element wasn't declared under the interleave thus it was required
always to be first. This made it inconvenient when pasting new stuff to
the XML manually in the "wrong" place.
The "virtio-mmio" is perfectly valid address type which we parse and
format correctly, but it's missing in our RNG schemas, hence editing a
domain with device having such address fails the validation.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
At least Xen supports backend drivers in another domain (aka "driver
domain"). This patch introduces an XML config option for specifying the
backend domain name for <disk> and <interface> devices. E.g.
<disk>
<backenddomain name='diskvm'/>
...
</disk>
<interface type='bridge'>
<backenddomain name='netvm'/>
...
</interface>
In the future, same option will be needed for USB devices (hostdev
objects), but for now libxl doesn't have support for PVUSB.
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
In preparation for adding docs about virtlockd, split out
the sanlock setup docs into a separate page.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add an XML attribute to allow disabling merge of rx buffers
on the host:
<interface ...>
...
<model type='virtio'/>
<driver ...>
<host mrg_rxbuf='off'/>
</driver>
</interface>
https://bugzilla.redhat.com/show_bug.cgi?id=1186886
In order for QEMU vCPU (and other) threads to run with RT scheduler,
libvirt needs to take care of that so QEMU doesn't have to run privileged.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1178986
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
In our RNG schema we do allow multiple (different) seclabels per-domain,
but don't allow this for devices, yet we neither have a check in our XML parser,
nor in a post-parse callback. In that case we should allow multiple
(different) seclabels for devices as well.
Change the wording in the device-address-part of the docmunentation since
the ccw bus address support added to the optional address parameter of
virsh attach-disk for S390.
Signed-off-by: Stefan Zimmermann <stzi@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
It is only usable for NETWORK and BRIDGE type interfaces.
Error out when trying to start a domain where the custom
tap device path is specified for interfaces of other types,
or when the daemon is not privileged.
Note that this cannot be checked at definition time, because
the comparison is against actual type.
https://bugzilla.redhat.com/show_bug.cgi?id=1147195
It is only supported for virtio adapters.
Silently drop it if it was specified for other models,
as is done for other virtio attributes.
Also mention this in the documentation.
https://bugzilla.redhat.com/show_bug.cgi?id=1147195
