Commit Graph

2192 Commits

Author SHA1 Message Date
Michal Privoznik
f309db1f4d qemu: Create memory-backend-{ram,file} iff needed
Libvirt BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1175397
QEMU BZ:    https://bugzilla.redhat.com/show_bug.cgi?id=1170093

In qemu there are two interesting arguments:

1) -numa to create a guest NUMA node
2) -object memory-backend-{ram,file} to tell qemu which memory
region on which host's NUMA node it should allocate the guest
memory from.

Combining these two together we can instruct qemu to create a
guest NUMA node that is tied to a host NUMA node. And it works
just fine. However, depending on machine type used, there might
be some issued during migration when OVMF is enabled (see QEMU
BZ). While this truly is a QEMU bug, we can help avoiding it. The
problem lies within the memory backend objects somewhere. Having
said that, fix on our side consists on putting those objects on
the command line if and only if needed. For instance, while
previously we would construct this (in all ways correct) command
line:

    -object memory-backend-ram,size=256M,id=ram-node0 \
    -numa node,nodeid=0,cpus=0,memdev=ram-node0

now we create just:

    -numa node,nodeid=0,cpus=0,mem=256

because the backend object is obviously not tied to any specific
host NUMA node.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2014-12-19 07:44:44 +01:00
Martin Kletzander
d2632d60aa storage: unify permission formatting
Volume and pool formatting functions took different approaches to
unspecified uids/gids.  When unknown, it is always parsed as -1, but one
of the functions formatted it as unsigned int (wrong) and one as
int (better).  Due to that, our two of our XML files from tests cannot
be parsed on 32-bit machines.

RNG schema needs to be modified as well, but because both
storagepool.rng and storagevol.rng need same schema for permission
element, save some space by moving it to storagecommon.rng.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2014-12-16 15:47:56 +01:00
Michal Privoznik
311b4a677f qemu: Allow system pages to <memoryBacking/>
https://bugzilla.redhat.com/show_bug.cgi?id=1173507

It occurred to me that OpenStack uses the following XML when not using
regular huge pages:

  <memoryBacking>
    <hugepages>
      <page size='4' unit='KiB'/>
    </hugepages>
  </memoryBacking>

However, since we are expecting to see huge pages only, we fail to
startup the domain with following error:

  libvirtError: internal error: Unable to find any usable hugetlbfs
  mount for 4 KiB

While regular system pages are not huge pages technically, our code is
prepared for that and if it helps OpenStack (or other management
applications) we should cope with that.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2014-12-15 13:36:47 +01:00
Michal Privoznik
ca4f9518b8 virconf: Introduce VIR_CONF_ULONG
https://bugzilla.redhat.com/show_bug.cgi?id=1160995

In our config files users are expected to pass several integer values
for different configuration knobs. However, majority of them expect a
nonnegative number and only a few of them accept a negative number too
(notably keepalive_interval in libvirtd.conf).
Therefore, a new type to config value is introduced: VIR_CONF_ULONG
that is set whenever an integer is positive or zero. With this
approach knobs accepting VIR_CONF_LONG should accept VIR_CONF_ULONG
too.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2014-12-15 10:34:18 +01:00
Ján Tomko
15abebdecb Ignore CPU features without a model for host-passthrough
This fixes reverting to snapshots created by older libvirt
and allows libvirt not to lose track of a domain that
has this in its live status XML (such as a domain
restored from managedsave)

https://bugzilla.redhat.com/show_bug.cgi?id=1030793
https://bugzilla.redhat.com/show_bug.cgi?id=1151885
2014-12-11 12:03:36 +01:00
John Ferlan
048237e3db tests: Fix sharable typo 2014-12-09 10:02:20 -05:00
Laine Stump
40961978ee conf: new network bridge device attribute macTableManager
The macTableManager attribute of a network's bridge subelement tells
libvirt how the bridge's MAC address table (used to determine the
egress port for packets) is managed. In the default mode, "kernel",
management is left to the kernel, which usually determines entries in
part by turning on promiscuous mode on all ports of the bridge,
flooding packets to all ports when the correct destination is unknown,
and adding/removing entries to the fdb as it sees incoming traffic
from particular MAC addresses.  In "libvirt" mode, libvirt turns off
learning and flooding on all the bridge ports connected to guest
domain interfaces, and adds/removes entries according to the MAC
addresses in the domain interface configurations. A side effect of
turning off learning and unicast_flood on the ports of a bridge is
that (with Linux kernel 3.17 and newer), the kernel can automatically
turn off promiscuous mode on one or more of the bridge's ports
(usually only the one interface that is used to connect the bridge to
the physical network). The result is better performance (because
packets aren't being flooded to all ports, and can be dropped earlier
when they are of no interest) and slightly better security (a guest
can still send out packets with a spoofed source MAC address, but will
only receive traffic intended for the guest interface's configured MAC
address).

The attribute looks like this in the configuration:

  <network>
    <name>test</name>
    <bridge name='br0' macTableManager='libvirt'/>
    ...

This patch only adds the config knob, documentation, and test
cases. The functionality behind this knob is added in later patches.
2014-12-08 14:41:37 -05:00
Daniel P. Berrange
25bf888a66 Report original error when QMP probing fails with new QEMU
If probing capabilities via QMP fails, we now have a check
that prevents us falling back to -help parsing. Unfortunately
the error message

  "Failed to probe capabilities for /usr/bin/qemu-kvm:
   unsupported configuration: QEMU 2.1.2 is too new for help parsing"

is proving rather unhelpful to the user. We need to be telling
them why QMP failed (the root cause), rather than they can't
use -help (the side effect).

To do this we should capture stderr during QMP probing, and
if -help parsing then sees a new QEMU version, we know that
QMP should have worked, and so we can show the messages from
stderr. The message thus becomes

  "Failed to probe capabilities for /usr/bin/qemu-kvm:
   internal error: QEMU / QMP failed: Could not access
   KVM kernel module: No such file or directory
   failed to initialize KVM: No such file or directory"
2014-12-05 10:57:46 +00:00
Martin Kletzander
44015a2937 tests: Fix misplaced parenthesis in qemumonitorjsontest
When trying clang, it found out that we were comparing sizeof with 0
even though we wanted to check the return value of memcmp.  That showed
us that the test was wrong and it needs a fix as well.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2014-12-04 11:43:22 +01:00
Peter Krempa
421406808a network: dnsmasq: Don't format lease file path
Now that we don't use the leases file at all for leases just don't
format it into the config and use the leaseshelper to do all the
lifting.
2014-12-03 14:22:40 +01:00
Martin Kletzander
04c383ea7a tests: fix documentation for mocking methods
It looks like it was copy-pasted, so in case anyone wonders what some of
those methods do without looking at them, and for the sake of
completeness, fix them.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2014-11-27 11:17:56 +01:00
Eric Blake
96e0d6774f dbus: fix arrays of bools
Commit 2aa167ca tried to fix the DBus interaction code to allow
callers to use native types instead of 4-byte bools.  But in
fixing the issue, I missed the case of an arrayref; Conrad Meyer
shows the following valid complaint issued by clang:

  CC       util/libvirt_util_la-virdbus.lo
util/virdbus.c:956:13: error: cast from 'bool *' to 'dbus_bool_t *' (aka 'unsigned int *') increases required alignment from 1 to 4 [-Werror,-Wcast-align]
            GET_NEXT_VAL(dbus_bool_t, bool_val, bool, "%d");
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
util/virdbus.c:858:17: note: expanded from macro 'GET_NEXT_VAL'
            x = (dbustype *)(*xptrptr + (*narrayptr - 1));              \
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated.

But fixing that points out that we have NEVER supported arrayrefs
of sub-int types (byte, i16, u16, and now bool).  Again, while raw
types promote, arrays do not; so the macros HAVE to deal with both
size possibilities rather than assuming that an arrayref uses the
same sizing as the promoted raw type.

Obviously, our testsuite wasn't covering as much as it should have.

* src/util/virdbus.c (GET_NEXT_VAL): Also fix array cases.
(SET_NEXT_VAL): Fix uses of sub-int arrays.
* tests/virdbustest.c (testMessageArray, testMessageArrayRef):
Test it.

Signed-off-by: Eric Blake <eblake@redhat.com>
2014-11-25 08:47:12 -07:00
Pavel Hrdina
742d49fa17 qemu-command: introduce new vgamem attribute for QXL video device
Add attribute to set vgamem_mb parameter of QXL device for QEMU. This
value sets the size of VGA framebuffer for QXL device. Default value in
QEMU is 8MB so reuse it also in libvirt to not break things.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2014-11-24 22:20:13 +01:00
Pavel Hrdina
24c6ca860e qemu-command: use vram attribute for all video devices
So far we didn't have any option to set video memory size for qemu video
devices. There was only the vram (ram for QXL) attribute but it was valid
only for the QXL video device.

To provide this feature to users QEMU has a dedicated device attribute
called 'vgamem_mb' to set the video memory size. We will use the 'vram'
attribute for setting video memory size for other QEMU video devices.

For the cirrus device we will ignore the vram value because it has
hardcoded video size in QEMU.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2014-11-24 22:18:18 +01:00
Pavel Hrdina
f480a87aa6 caps: introduce new QEMU capability for vgamem_mb device property
Allow setting vgamem size for video devices.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2014-11-24 22:05:56 +01:00
Pavel Hrdina
c32cfc6d3f QXL: fix setting ram and vram values for QEMU QXL device
QEMU has two different type of QXL display device. The first "qxl-vga"
is for primary video device and second "qxl" is for secondary video
device.

There are also two different ways how to specify those devices on qemu
command line, the first one and obsolete is using "-vga" option and the
current new one is using "-device" option. The "-vga" could be used only
to setup primary video device, so the "-vga qxl" equal to
"-device qxl-vga". Unfortunately the "-vga qxl" doesn't support setting
additional parameters for the device and "-global" option must be used
for this purpose. It's mandatory to use "-global qxl-vga...." to set the
parameters of primary video device previously defined with "-vga qxl".

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2014-11-24 22:05:56 +01:00
Pavel Hrdina
81ba2298b2 video: cleanup usage of vram attribute and update documentation
The vram attribute was introduced to set the video memory but it is
usable only for few hypervisors excluding QEMU/KVM and the old XEN
driver. Only in case of QEMU the vram was used for QXL.

This patch updates the documentation to reflect current code in libvirt
and also changes the cases when we will set the default vram attribute.
It also fixes existing strange default value for VGA devices 9MB to 16MB
because the video ram should be rounded to power of two.

The change of default value could affect migrations but I found out that
QEMU always round the video ram to power of two internally so it's safe
to change the default value to the next closest power of two and also
silently correct every domain XML definition. And it's also safe because
we don't pass the value to QEMU.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2014-11-24 22:05:55 +01:00
Pavel Hrdina
ff28ebf136 internal: add macro to round value to the next closest power of 2
There are two special cases, if the input number is 0 or the number is
larger then 2^31 (for 32bit unsigned int). For the special cases the
return value is 0 because they cannot be rounded.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2014-11-24 22:05:55 +01:00
Tomoki Sekiyama
733b56a4b9 qemu: add test for qemuAgentGetFSInfo
Add test cases for qemuAgentGetFSInfo, with a sample agent response for
the qemu-get-fsinfo command and a configuration xml.

Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
2014-11-24 10:29:16 -05:00
Peter Krempa
4d7eb90311 qemu: chardev: Extract more information about character devices
Improve the monitor function to also retrieve the guest state of
character device (if provided) so that we can refresh the state of
virtio-serial channels and perhaps react to changes in the state in
future patches.

This patch changes the returned data from qemuMonitorGetChardevInfo to
return a structure containing the pty path and the state for all the
character devices.

The change to the testsuite makes sure that the data is parsed
correctly.
2014-11-24 08:58:30 +01:00
Peter Krempa
b7d1bee2b9 storage: rbd: Implement support for passing config file option
To be able to express some use cases of the RBD backing with libvirt, we
need to be able to specify a config file for the RBD client to qemu as
that is one of the commonly used options.
2014-11-21 14:37:03 +01:00
Peter Krempa
0255660658 storage: rbd: qemu: Add support for specifying internal RBD snapshots
Some storage systems have internal support for snapshots. Libvirt should
be able to select a correct snapshot when starting a VM.

This patch adds a XML element to select a storage source snapshot for
the RBD protocol which supports this feature.
2014-11-21 14:37:02 +01:00
Peter Krempa
930b77598b storage: Allow parsing of RBD backing strings when building backing chain
As we now have a common function to parse backing store string for RBD
backing store we can reuse it in the backing store walker so that we
don't fail on files backed by RBD storage.

This patch also adds a few tests to verify that the parsing works as
expected.
2014-11-21 14:37:02 +01:00
Peter Krempa
162e1ac6fa tests: Reflow the expected output from RBD disk test
Addition of tested cases to the test will be more obvious.
2014-11-21 14:37:02 +01:00
Peter Krempa
e650f30b93 test: virstoragetest: Add testing of network disk details
To be able to fully test parsing of networked storage strings we need to
add a few fields for: hostname, protocol and auth string.
2014-11-21 14:37:01 +01:00
Peter Krempa
24c25a68c2 conf: Add channel state for virtio channels to the XML
To track state of virtio channels this patch adds a new output-only
attribute called 'state' to the <target> element of virtio channels.

This will be later populated with the guest state of the channel.
2014-11-21 11:00:11 +01:00
Peter Krempa
e9a4506963 qemu: monitor: Rename and improve qemuMonitorGetPtyPaths
To unify future additions that require information from "query-chardev"
rename qemuMonitorGetPtyPaths and friends to qemuMonitorGetChardevInfo
and move the allocation of the returned hash into the top level
function.
2014-11-21 11:00:10 +01:00
Peter Krempa
c5942a9faa test: xml2xml: Print full filenames if xml2xml test fails
To simplify looking for a problem instrument the XML comparator function
with possibility to print the filename of the failed/expected XML
output.

This is necessary as the VIR_TEST_DIFFERENT macro possibly tests two XML
files for the inactive/active state and the resulting error may not be
obvious.
2014-11-21 11:00:10 +01:00
Eric Blake
2aa167cafd virdbus: don't force users to pass int for bool values
Use of an 'int' to represent a 'bool' value is confusing.  Just
because dbus made the mistake of cementing their 4-byte wire
format of dbus_bool_t into their API doesn't mean we have to
repeat the mistake.  With a little bit of finesse, we can
guarantee that we provide a large-enough value to the DBus
code, while still copying only the relevant one-byte bool
to the client code, and isolate the rest of our code base from
the DBus stupidity.

* src/util/virdbus.c (GET_NEXT_VAL): Add parameter.
(virDBusMessageIterDecode): Adjust all clients.
* src/util/virpolkit.c (virPolkitCheckAuth): Use nicer type.
* tests/virdbustest.c (testMessageSimple, testMessageStruct):
Test new behavior.

Signed-off-by: Eric Blake <eblake@redhat.com>
2014-11-19 08:20:39 -07:00
John Ferlan
5c08b12521 qemu: Add tests for new blkdeviotune arguments
The recent commit to add support for block_set_io_throttle parameters
from version 1.7 of qemu did not add any tests - this adds the tests

Signed-off-by: John Ferlan <jferlan@redhat.com>
2014-11-14 12:03:52 -05:00
Martin Kletzander
f5e65e4b71 Remove unnecessary curly brackets in tests/
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2014-11-14 17:13:36 +01:00
Jiri Denemark
ae3e29e6e7 qemu: Don't try to parse -help for new QEMU
Since QEMU 1.2.0, we switched to QMP probing instead of parsing -help
(and other commands, such as -cpu ?) output. However, if QMP probing
failed, we still tried starting QEMU with various options and parsing
the output, which was guaranteed to fail because the output changed.
Let's just refuse parsing -help for QEMU >= 1.2.0.

https://bugzilla.redhat.com/show_bug.cgi?id=1160318
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
2014-11-13 21:25:50 +01:00
Jiri Denemark
ab393383c8 qemu: Always set migration capabilities
We used to set migration capabilities only when a user asked for them in
flags. This is fine when migration succeeds since the QEMU process is
killed in the end but in case migration fails or if it's cancelled, some
capabilities may remain turned on with no way to turn them off. To fix
that, migration capabilities have to be turned on if requested but
explicitly turned off in case they were not requested but QEMU supports
them.

https://bugzilla.redhat.com/show_bug.cgi?id=1163953
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
2014-11-13 20:33:28 +01:00
Conrad Meyer
cdbb21bc59 drvbhyve: Use boot-order for grub-bhyve boot device
Rather than just picking the first CD (or failing that, HDD) we come
across, if the user has picked a boot device ordering with <boot
order=''>, respect that (and just try to boot the lowest-index device).

Adds two sets of tests to bhyve2xmlargv; 'grub-bootorder' shows that we
pick a user-specified device over the first device in the domain;
'grub-bootorder2' shows that we pick the first (lowest index) device.
2014-11-13 15:40:48 +01:00
Michal Privoznik
8d659b177f qemuxml2argvtest: Run some test only on Linux
As I was reviewing bhyve commits, I've noticed qemuxml2argvtest
failing for some test cases. This is not bug in qemu driver code
rather than being unable to load qemuxml2argvmock on non-Linux
platforms. For instance:

318) QEMU XML-2-ARGV numatune-memnode
... libvirt:  error : internal error: NUMA node 0 is unavailable
FAILED

Rather than disabling qemuxml2argvtest on BSD (we do compile qemu
driver there) disable only those test cases which require mocking.
To achieve that goal new DO_TEST_LINUX() macro is introduced which
invokes the test case on Linux only and consume arguments on other
systems.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2014-11-12 16:57:19 +01:00
John Ferlan
5530f248db storage: Introduce 'managed' for the fchost parent
https://bugzilla.redhat.com/show_bug.cgi?id=1160926

Introduce a 'managed' attribute to allow libvirt to decide whether to
delete a vHBA vport created via external means such as nodedev-create.
The code currently decides whether to delete the vHBA based solely on
whether the parent was provided at creation time. However, that may not
be the desired action, so rather than delete and force someone to create
another vHBA via an additional nodedev-create allow the configuration of
the storage pool to decide the desired action.

During createVport when libvirt does the VPORT_CREATE, set the managed
value to YES if not already set to indicate to the deleteVport code that
it should delete the vHBA when the pool is destroyed.

If libvirtd is restarted all the memory only state was lost, so for a
persistent storage pool, use the virStoragePoolSaveConfig in order to
write out the managed value.

Because we're now saving the current configuration, we need to be sure
to not save the parent in the output XML if it was undefined at start.
Saving the name would cause future starts to always use the same parent
which is not the expected result when not providing a parent. By not
providing a parent, libvirt is expected to find the best available
vHBA port for each subsequent (re)start.

At deleteVport, use the new managed value to decide whether to execute
the VPORT_DELETE.  Since we no longer save the parent in memory or in
XML when provided, if it was not provided, then we have to look it up.
2014-11-12 10:18:28 -05:00
Conrad Meyer
a52b56b3fd bhyvexml2argv: Add test for grub console support 2014-11-12 09:55:22 +01:00
Conrad Meyer
cf133ed1c6 bhyvexml2argv: Add tests for domain-configured bootloader, args 2014-11-12 09:55:22 +01:00
Conrad Meyer
f2ce9d3645 bhyvexml2argv: Add loader argv tests. 2014-11-12 09:55:22 +01:00
Matthias Gatto
d506a51aeb qemu: Add bps_max and friends qemu driver
Add support for bps_max and friends in the driver part.
In the part checking if a qemu is running, check if the running binary
support bps_max, if not print an error message, if yes add it to
"info" variable

Signed-off-by: Matthias Gatto <matthias.gatto@outscale.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2014-11-10 17:18:17 +01:00
Matthias Gatto
c5b71619bd qemu: Add Qemu capability for bps_max and friends
Add the capability to detect if the qemu binary have the capability
to use bps_max and friends
Add a value in the enum virQEMUCapsFlags for the qemu capability.
Set it with virQEMUCapsSet if the binary suport bps_max and they friends.

Signed-off-by: Matthias Gatto <matthias.gatto@outscale.com>
2014-11-10 15:48:59 +01:00
Matthias Gatto
e34ffa96fb qemu: Modify the structure _virDomainBlockIoTuneInfo.
Modify the structure _virDomainBlockIoTuneInfo to support these the new
options.
Change the initialization of the variable expectedInfo in qemumonitorjsontest.c
to avoid compiling problem.
Add documentation about the new xml options

Signed-off-by: Matthias Gatto <matthias.gatto@outscale.com>
2014-11-10 15:48:59 +01:00
Prerna Saxena
e3c44f0d36 cpu_conf: Allow specification of 'units' for @memory on numa nodes.
CPU numa topology implicitly allows memory specification in 'KiB'.

Enabling this to accept the 'unit' in which memory needs to be specified.
This now allows users to specify memory in units of choice, and
lists the same in 'KiB' -- just like other 'memory' elements in XML.

    <numa>
      <cell cpus='0-3' memory='1024' unit='MiB' />
      <cell cpus='4-7' memory='1024' unit='MiB' />
    </numa>

Also augment test cases to correctly model NUMA memory specification.
This adds the tag 'unit="KiB"' for memory attribute in NUMA cells.

Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2014-11-10 14:55:45 +01:00
Prerna Saxena
12c381114c Test: Add a testcase for PowerPC compat mode cpu specification.
This introduces a testcase for PowerPC compat mode cpu specification.

Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2014-11-07 09:20:40 +01:00
Boris Fiuczynski
b84be34f43 qemu: Allow use of iothreads for virtio ccw disk definitions
Extending the iothread disk support from pci to pci and ccw.

Signed-off-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-11-06 15:13:55 +01:00
Martin Kletzander
c63ef0452b numa: split util/ and conf/ and support non-contiguous nodesets
This is a reaction to Michal's fix [1] for non-NUMA systems that also
splits out conf/ out of util/ because libvirt_util shouldn't require
libvirt_conf if it is the other way around.  This particular use case
worked, but we're trying to avoid it as mentioned [2], many times.

The only functions from virnuma.c that needed numatune_conf were
virDomainNumatuneNodesetIsAvailable() and virNumaSetupMemoryPolicy().
The first one should be in numatune_conf as it works with
virDomainNumatune, the second one just needs nodeset and mode, both of
which can be passed without the need of numatune_conf.

Apart from fixing that, this patch also fixes recently added
code (between commits d2460f85^..5c8515620) that doesn't support
non-contiguous nodesets.  It uses new function
virNumaNodesetIsAvailable(), which doesn't need a stub as it doesn't use
any libnuma functions, to check if every specified nodeset is available.

[1] https://www.redhat.com/archives/libvir-list/2014-November/msg00118.html
[2] http://www.redhat.com/archives/libvir-list/2011-June/msg01040.html

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2014-11-06 15:13:55 +01:00
Erik Skultety
9a8fc3efc2 Iface: disallow network tuning in session mode globally
Patch 43b67f2e disallowed network tuning only with qemu driver, however
this patch moved the check for root privileges into
virNetDevBandwidthSet function, so the call should now
fail in all possible cases. A mock function was created so that the test
suite doesn't fail because of unsufficient privileges.
2014-11-06 14:28:37 +01:00
Chen Fan
902864184e numatune: add check for numatune nodeset range
There was no check for 'nodeset' attribute in numatune-related
elements.  This patch adds validation that any nodeset specified does
not exceed maximum host node.

Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
2014-11-04 07:03:36 +01:00
Chen Fan
d2460f85d3 bitmap: add virBitmapLastSetBit for finding the last bit position of bitmap
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
2014-11-04 07:03:36 +01:00
Martin Kletzander
11a48758a7 qemu: make advice from numad available when building commandline
Particularly in qemuBuildNumaArgStr(), there was a need for the advice
due to memory backing, which needs to know the nodeset it will be pinned
to.  With newer qemu this caused the following error when starting
domain:

  error: internal error: Advice from numad is needed in case of
  automatic numa placement

even when starting perfectly valid domain, e.g.:

  ...
  <vcpu placement='auto'>4</vcpu>
  <numatune>
    <memory mode='strict' placement='auto'/>
  </numatune>
  <cpu>
    <numa>
      <cell id='0' cpus='0' memory='524288'/>
      <cell id='1' cpus='1' memory='524288'/>
    </numa>
  </cpu>
  ...

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1138545

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2014-11-03 16:43:22 +01:00