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Now that the node_device driver is aware of CCW devices, let's hook up
virsh so that we can filter them properly.
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Signed-off-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Make CCW devices available to the node_device driver. The devices are
already seen by udev so let's implement necessary code for detecting
them properly.
Topologically, CCW devices are similar to PCI devices, e.g.:
+- ccw_0_0_1a2b
|
+- scsi_host0
|
+- scsi_target0_0_0
|
+- scsi_0_0_0_0
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Signed-off-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Unlock @obj in case of an error too.
Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Since the switch statement is already using the deref'd @cap variable
and the VIR_NODE_DEV_CAP_NET case uses it, the SCSI_HOST and PCI_DEV
cases may as well use it too.
Suggested-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
QEMU will likely report the details of it shutting down, particularly
whether the shutdown was initiated by the guest or host. We should
forward that information along, at least for shutdown events. Reset
has that as well, however that is not a lifecycle event and would add
extra constants that might not be used. It can be added later on.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1384007
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
The number of records that virConnectGetAllDomainStats can return per
domain is currently limited to 4096. This is quite low -- for
example, a single guest with ~320 disks will hit this limit. This
increases the limit to make it much larger. Note that
VIR_NET_MESSAGE_MAX still protects the total message size in the case
where there are many domains and many disks per domain.
I tested this using a guest with 500 disks with no issues.
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1440683
When increasing the buffer size up to VIR_NET_MESSAGE_MAX, we
currently quadruple it each time. This unfortunately means that we
cannot allow certain buffer sizes -- for example the current
VIR_NET_MESSAGE_MAX == 33554432 can never be "hit" since ‘newlen’
jumps from 16MB to 64MB.
Instead of quadrupling, double it each time.
Thanks: Daniel Berrange.
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Commit 4337bc57be introduced code that would in certain error paths
unref the last reference of a pointer, but return it.
Clear the pointers before returning them.
@tmp is leaked after the second call to virVHBAGetConfig within
virVHBAIsVportCapable code block because it wasn't freed after making the
first call to the function.
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Erik Skultety <eskultet@redhat.com>
The @ipv6_host allocated in virAsprintf may be lost when virAsprintf
addrstr failed.
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Erik Skultety <eskultet@redhat.com>
There is a VIR_FREE after a return statement. That code section is never
executed and for this reason the "tty" variable is not being freed. This
commit rearranges the logic.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Many vendor id's and product id's have leading zeros. We should show
them in the logs.
Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
Reviewed-by: Laine Stump <laine@laine.org>
The @meminfo allocated in qemuMonitorGetMemoryDeviceInfo() may be
lost when qemuDomainObjExitMonitor() failed.
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1420740
Testing found an inventive way to cause an error at shutdown by providing the
parent name for the fc host creation using the "same name" as the HBA. Since
the code thus assumed the parent host name provided was the parent HBA and
just extracted out the host number and sent that along to the vport_destroy
this avoided checks made for equality.
So just add the equality check to that path to resolve.
While most of the APIs are okay with 16M messages, the bulk stats API
can run into the limit in big configurations. Before we devise a new
plan for this, bump this limit slightly to accomodate some more configs.
If the first console is just a copy of the first serial device we
don't need to iterate over the same device twice in order to perform
actions like security labeling, cgroup configuring, etc.
Currently only security SELinux manager was aware of this fact.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Put domain access after acquiring job condition, otherwise
another job can change it meanwhile.
Signed-off-by: Konstantin Neumoin <kneumoin@virtuozzo.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
We have to use waitDomainJob instead of waitJob, because of it
unlock the domain until job has finished, so domain will be available
for other clients.
Signed-off-by: Konstantin Neumoin <kneumoin@virtuozzo.com>
Setting the 'group_name' for a disk would falsely trigger a error path
as in commit 4b57f76502 we did not properly check the return value of
VIR_STRDUP.
Attempting to start a domain with USB hostdevs but no USB controllers
fails with the rather cryptic error
libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an
error message from QMP server: Bus 'xenusb-0.0' not found
This can be fixed by creating default USB controllers. When no USB
controllers are defined, create the number of 8 port controllers
necessary to accommodate the number of defined USB devices.
Note that USB controllers are already created as needed in the
domainAttachDevice code path. E.g. a USB controller will be created,
if necessary, when attaching a USB device with
'virsh attach-device dom usbdev.xml'.
This reverts commit 2841e675.
It turns out that adding the host_mtu field to the PCI capabilities in
the guest bumps the length of PCI capabilities beyond the 32 byte
boundary, so the virtio-net device gets 64 bytes of ioport space
instead of 32, which offsets the address of all the other following
devices. Migration doesn't work very well when the location and length
of PCI capabilities of devices is changed between source and
destination.
This means that we need to make sure that the absence/presence of
host_mtu on the qemu commandline always matches between source and
destination, which means that we need to make setting of host_mtu an
opt-in thing (it can't happen automatically when the bridge being used
has a non-default MTU, which is what commit 2841e675 implemented).
I do want to re-implement this feature with an <mtu auto='on'/>
setting, but probably won't backport that to any stable branches, so
I'm first reverting the original commit, and that revert can be pushed
to the few releases that have been made since the original (3.1.0 -
3.3.0)
Resolves: https://bugzilla.redhat.com/1449346
If a VNC listen address is not specified in domXML, libxl
will default to 127.0.0.1, but this is never reflected in the domXML.
In the case of spice, a missing listen address resulted in listening
on all interfaces, i.e. '0.0.0.0'. If not specified, set the listen
address in virDomainGraphicsDef struct to the libxl default when
creating the frame buffer device. Additionally, set default spice
listen address to 127.0.0.1.
There's a slight problem with the current function. Assume we are
currently in a data section and we have say 42 bytes until next
section. Therefore, just before (handler) is called to fill up
the buffer with data, @want is changed to 42 to match the amount
of data left in the current section. However, after hole is
processed, we are back in data section but with incredibly small
@want size. Nobody will ever reset it back. This results in
incredible data fragmentation.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
To every virDirOpen we must have VIR_DIR_CLOSE otherwise FD is
leaked.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The error message would contain first vcpu id after the list of vcpus
selected for modification. To print the proper vcpu id remember the
first vcpu selected to be modified.
@reply is a DBusMessage object returned by virDBusCallMethod in
get machine object call path, dereference it before calling
virDBusCallMethod again to get machine name.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
It is possible to crash libvirtd when converting xl native config to
domXML when the xl config contains an empty disk source, e.g. an empty
CDROM. Fix by checking that the disk source is non-NULL before parsing it.
Signed-off-by: Wim ten Have <wim.ten.have@oracle.com>
Some older systems (such as RHEL6) lack SEEK_HOLE and SEEK_DATA
which virFileInData relies on. Provide a stub for these systems.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The code causes the 'offset' variable to be overwritten (possibly with
NULL if neither of the vCPUs is halted) which causes a crash since the
variable is still used after that part.
Additionally there's a bug, since strstr() would look up the '(halted)'
string in the whole string rather than just the currently processed line
the returned data is completely bogus.
Rather than switching to single line parsing let's remove the code
altogether since it has a commonly used JSON monitor alternative and
the data itself is not very useful to report.
The code was introduced in commit cc5e695bde
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1452106
There is a wrong 'return' statement after a 'goto' statement inside the
function virConnectCloseCallbackDataRegister(). This commit only removes
the 'return'.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Currently, we don't assign any meaning to that. Our current view
on virStream is that it's merely a pipe. And pipes don't support
seeking.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit e3ba4025 introduced srv->handles and VIR_RESIZE_N to allocate
@handles as necessary, but did not free the handles during when calling
virNetlinkEventServiceStop.
Commit 15a71e60 introduced the virNetlinkEventServiceStopAll function, and
the code in virNetlinkEventServiceStop is copied to this function, so just
call virNetlinkEventServiceStop instead.
Start discovering the mediated devices on the host system and format the
attributes for the mediated device into the XML. Compared to the parent
device which reports generic information about the abstract mediated
devices types, a child device only reports the type name it has been
instantiated from and the IOMMU group number, since that's device
specific compared to the rest of the info that can be gathered about
mediated devices at the moment.
This patch introduces both the formatting and parsing routines, updates
nodedev.rng schema, adding a testcase as well.
The resulting mdev child device XML:
<device>
<name>mdev_4b20d080_1b54_4048_85b3_a6a62d165c01</name>
<path>/sys/devices/.../4b20d080-1b54-4048-85b3-a6a62d165c01</path>
<parent>pci_0000_06_00_0</parent>
<driver>
<name>vfio_mdev</name>
</driver>
<capability type='mdev'>
<type id='vendor_supplied_type_id'/>
<iommuGroup number='NUM'/>
<capability/>
<device/>
https://bugzilla.redhat.com/show_bug.cgi?id=1452072
Signed-off-by: Erik Skultety <eskultet@redhat.com>
The parent device needs to report the generic stuff about the supported
mediated devices types, like device API, available instances, type name,
etc. Therefore this patch introduces a new nested capability element of
type 'mdev_types' with the resulting XML of the following format:
<device>
...
<capability type='pci'>
...
<capability type='mdev_types'>
<type id='vendor_supplied_id'>
<name>optional_vendor_supplied_codename</name>
<deviceAPI>vfio-pci</deviceAPI>
<availableInstances>NUM</availableInstances>
</type>
...
<type>
...
</type>
</capability>
</capability>
...
</device>
https://bugzilla.redhat.com/show_bug.cgi?id=1452072
Signed-off-by: Erik Skultety <eskultet@redhat.com>
The reason for introducing two capabilities, one for the device itself
(cap 'mdev') and one for the parent device listing the available types
('mdev_types'), is that we should be able to do
'virsh nodedev-list --cap' not only for existing mdev devices but also
for devices that support creation of mdev devices, since one day libvirt
might be actually able to create the mdev devices in an automated way
(just like we do for NPIV/vHBA).
https://bugzilla.redhat.com/show_bug.cgi?id=1452072
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Since there's at least SRIOV and MDEV sub-capabilities to be parsed,
let's make the code more readable by splitting it to several logical
blocks.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Namely, this patch is about virMediatedDeviceGetIOMMUGroup{Dev,Num}
functions. There's no compelling reason why these functions should take
an object, on the contrary, having to create an object every time one
needs to query the IOMMU group number, discarding the object afterwards,
seems odd.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
