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The virt type for QEMU can be modified by -machine attribute "accel"
so there is no need to have different QEMU binary paths.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Introduce VIR_DOMAIN_VIRT_NONE to give domaintype the default value of zero.
This is specially helpful in constructing better error messages
when we don't want to look up the default emulator by virtType.
The test data in vircapstest.c is also modified to reflect this change.
There are two macros used in the test: CAPSCOMP and CAPS_EXPECT_ERR.
Both run a test case and if a failure occurred, they set the @ret
variable to a value of -1 to indicate an error. Well, that's what they
should do. Due to a typo, they set the variable to a positive one
effectively masking any failed test.
Then, we have couple of tests failing. Fix them too.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The phyp driver stuffed it into a DomainDefPtr during its attachdevice
routine, but the value is never advertised via capabilities so it should
be safe to drop.
Have the phyp driver use OSTYPE_LINUX, which is what it advertises via
capabilities.
When building without lxc support enabled, build fails with:
CLD vircapstest
vircapstest.o: In function `test_virCapsDomainDataLookupLXC':
vircapstest.c:(.text+0x9ef): undefined reference to `testLXCCapsInit'
Fix that by hiding LXC tests under appropriate #ifdef. Same applies
for QEMU and XEN.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This is a helper function to look up all capabilities data for all
the OS bits that are relevant to <domain>. This is
- os type
- arch
- domain type
- emulator
- machine type
This will be used to replace several functions in later commits.
There are two places where you'll find info on page sizes. The first
one is under <cpu/> element, where all supported pages sizes are
listed. Then the second one is under each <cell/> element which refers
to concrete NUMA node. At this place, the size of page's pool is
reported. So the capabilities XML looks something like this:
<capabilities>
<host>
<uuid>01281cda-f352-cb11-a9db-e905fe22010c</uuid>
<cpu>
<arch>x86_64</arch>
<model>Westmere</model>
<vendor>Intel</vendor>
<topology sockets='1' cores='1' threads='1'/>
...
<pages unit='KiB' size='4'/>
<pages unit='KiB' size='2048'/>
<pages unit='KiB' size='1048576'/>
</cpu>
...
<topology>
<cells num='4'>
<cell id='0'>
<memory unit='KiB'>4054408</memory>
<pages unit='KiB' size='4'>1013602</pages>
<pages unit='KiB' size='2048'>3</pages>
<pages unit='KiB' size='1048576'>1</pages>
<distances/>
<cpus num='1'>
<cpu id='0' socket_id='0' core_id='0' siblings='0'/>
</cpus>
</cell>
<cell id='1'>
<memory unit='KiB'>4071072</memory>
<pages unit='KiB' size='4'>1017768</pages>
<pages unit='KiB' size='2048'>3</pages>
<pages unit='KiB' size='1048576'>1</pages>
<distances/>
<cpus num='1'>
<cpu id='1' socket_id='0' core_id='0' siblings='1'/>
</cpus>
</cell>
...
</cells>
</topology>
...
</host>
<guest/>
</capabilities>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
If user or management application wants to create a guest,
it may be useful to know the cost of internode latencies
before the guest resources are pinned. For example:
<capabilities>
<host>
...
<topology>
<cells num='2'>
<cell id='0'>
<memory unit='KiB'>4004132</memory>
<distances>
<sibling id='0' value='10'/>
<sibling id='1' value='20'/>
</distances>
<cpus num='2'>
<cpu id='0' socket_id='0' core_id='0' siblings='0'/>
<cpu id='2' socket_id='0' core_id='2' siblings='2'/>
</cpus>
</cell>
<cell id='1'>
<memory unit='KiB'>4030064</memory>
<distances>
<sibling id='0' value='20'/>
<sibling id='1' value='10'/>
</distances>
<cpus num='2'>
<cpu id='1' socket_id='0' core_id='0' siblings='1'/>
<cpu id='3' socket_id='0' core_id='2' siblings='3'/>
</cpus>
</cell>
</cells>
</topology>
...
</host>
...
</capabilities>
We can see the distance from node1 to node0 is 20 and within nodes 10.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This test creates a Fake NUMA topology with non-sequential cell ids
to check if libvirt properly handles the same
Signed-off-by: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
Signed-off-by: Pradipta Kr. Banerjee <bpradip@in.ibm.com>
