- 28 11月, 2016 3 次提交
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由 Jiri Denemark 提交于
QEMU 2.8.0 adds support for unavailable-features in query-cpu-definitions reply. The unavailable-features array lists CPU features which prevent a corresponding CPU model from being usable on current host. It can only be used when all the unavailable features are disabled. Empty array means the CPU model can be used without modifications. We can use unavailable-features for providing CPU model usability info in domain capabilities XML: <domainCapabilities> ... <cpu> <mode name='host-passthrough' supported='yes'/> <mode name='host-model' supported='yes'> <model fallback='allow'>Skylake-Client</model> ... </mode> <mode name='custom' supported='yes'> <model usable='yes'>qemu64</model> <model usable='yes'>qemu32</model> <model usable='no'>phenom</model> <model usable='yes'>pentium3</model> <model usable='yes'>pentium2</model> <model usable='yes'>pentium</model> <model usable='yes'>n270</model> <model usable='yes'>kvm64</model> <model usable='yes'>kvm32</model> <model usable='yes'>coreduo</model> <model usable='yes'>core2duo</model> <model usable='no'>athlon</model> <model usable='yes'>Westmere</model> <model usable='yes'>Skylake-Client</model> ... </mode> </cpu> ... </domainCapabilities> Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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- 26 11月, 2016 28 次提交
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
"host" CPU model is supported by a special host-passthrough CPU mode and users is not allowed to specify this model directly with custom mode. Thus we should not advertise "host" CPU model in domain capabilities. This worked well on architectures for which libvirt provides a list of supported CPU models in cpu_map.xml (since "host" is not in the list). But we need to explicitly filter "host" model out for all other architectures. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
CPU models (and especially some additional details which we will start probing for later) differ depending on the accelerator. Thus we need to call query-cpu-definitions in both KVM and TCG mode to get all data we want. Tests in tests/domaincapstest.c are temporarily switched to TCG to avoid having to squash even more stuff into this single patch. They will all be switched back later in separate commits. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
This patch moves the CPU models formatting code from virQEMUCapsFormatCache into a separate function. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
This patch moves the CPU models parsing code from virQEMUCapsLoadCache into a separate function. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
The function just returned cached capabilities without checking whether they are still valid. We should check that and refresh the capabilities to make sure we don't return stale data. In other words, we should do what all other lookup functions do. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
The function is made a little bit more readable and the code which refreshes cached capabilities if they are not valid any more was moved into a separate function (virQEMUCapsCacheValidate) so that it can be reused in other places. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
If a user asked for a KVM domain capabilities when KVM is not available, we would happily return data we got when probing through TCG and pretended they were relevant for KVM. Let's just report KVM is not supported to avoid confusion. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
When domain capabilities were introduced we did not have enough data to decide whether KVM works on the host or not and thus working legacy/VFIO device assignment was used as a witness. Now that we know whether KVM was enabled when probing QEMU capabilities (and thus we know it's working), we can use this knowledge to provide better default value for virttype. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Since some may depend on the accelerator used when probing QEMU the cache becomes invalid when KVM becomes available or if it is not available anymore. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
CPU related capabilities may differ depending on accelerator used when probing. Let's use KVM if available when probing QEMU and fall back to TCG. The created capabilities already contain all we need to distinguish whether KVM or TCG was used: - KVM was used when probing capabilities: QEMU_CAPS_KVM is set QEMU_CAPS_ENABLE_KVM is not set - TCG was used and QEMU supports KVM, but it failed (e.g., missing kernel module or wrong /dev/kvm permissions) QEMU_CAPS_KVM is not set QEMU_CAPS_ENABLE_KVM is set - KVM was not used and QEMU does not support it QEMU_CAPS_KVM is not set QEMU_CAPS_ENABLE_KVM is not set Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
When starting QEMU more than once during a single probing process, qemucapsprobe utility would save QMP greeting several times, which doesn't play well with our test monitor. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Let's set QEMU_CAPS_KVM and QEMU_CAPS_ENABLE_KVM early so that the rest of the probing code can use these capabilities to handle KVM/TCG replies differently. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
Using -machine instead of -M for QMP probing is safe because any QEMU binary which is capable of QMP probing supports -machine. Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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由 Jiri Denemark 提交于
The code that runs a new QEMU process to be used for probing capabilities is separated into four reusable functions so that any code that wants to probe a QEMU process may just follow a few simple steps: cmd = virQEMUCapsInitQMPCommandNew(...); virQEMUCapsInitQMPCommandRun(cmd); /* talk to the running QEMU process using its QMP monitor */ if (reprobeIsRequired) { virQEMUCapsInitQMPCommandAbort(cmd, ...); virQEMUCapsInitQMPCommandRun(cmd); /* talk to the running QEMU process again */ } virQEMUCapsInitQMPCommandFree(cmd); Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
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- 25 11月, 2016 9 次提交
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由 Maxim Nestratov 提交于
This reverts commit 3a6cf6fc. Mistakenly this commit was pushed because I thought I missed the corret one b880ff42 while in fact I didn't. Signed-off-by: NMaxim Nestratov <mnestratov@virtuozzo.com>
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由 Michal Privoznik 提交于
We have couple of functions that operate over NULL terminated lits of strings. However, our naming sucks: virStringJoin virStringFreeList virStringFreeListCount virStringArrayHasString virStringGetFirstWithPrefix We can do better: virStringListJoin virStringListFree virStringListFreeCount virStringListHasString virStringListGetFirstWithPrefix Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Peter Krempa 提交于
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由 Peter Krempa 提交于
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由 Andrea Bolognani 提交于
Catch up with changes that have been pushed but didn't include updates to the NEWS file themselves.
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由 Boris Fiuczynski 提交于
If libvirt is compiled without NUMACTL support starting libvirtd reports a libvirt internal error "NUMA isn't available on this host" without checking if NUMA support is compiled into the libvirt binaries. This patch adds the missing NUMA support check to prevent the internal error. It also includes a check if the cgroup controller cpuset is available before using it. The error was noticed when libvirtd was restarted with running domains and on libvirtd start the qemuConnectCgroup gets called during qemuProcessReconnect. Signed-off-by: NBoris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: NBjoern Walk <bwalk@linux.vnet.ibm.com>
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由 Eric Farman 提交于
With the QEMU components in place, provide the XML parsing to invoke that code when given the following XML snippet: <hostdev mode='subsystem' type='scsi_host'> <source protocol='vhost' wwpn='naa.501234567890abcd'/> </hostdev> An optional address element can be specified within the hostdev (pick CCW or PCI as necessary): <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0625'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> Add basic vhost-scsi tests which were cloned from hostdev-scsi-virtio-scsi in both xml2argv and xml2xml. Added ones for both vhost-scsi-ccw and vhost-scsi-pci since the syntaxes are slightly different between them. Also adjusted the docs to describe the changes. Signed-off-by: NEric Farman <farman@linux.vnet.ibm.com> Reviewed-by: NBoris Fiuczynski <fiuczy@linux.vnet.ibm.com>
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由 Eric Farman 提交于
Ensure that the vhost-scsi wwpn information is passed to the different security policies. Signed-off-by: NEric Farman <farman@linux.vnet.ibm.com>
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由 Eric Farman 提交于
Adjust the device string that is built for vhost-scsi devices so that it can be invoked from hotplug. From the QEMU command line, the file descriptors are expect to be numeric only. However, for hotplug, the file descriptors are expected to begin with at least one alphabetic character else this error occurs: # virsh attach-device guest_0001 ~/vhost.xml error: Failed to attach device from /root/vhost.xml error: internal error: unable to execute QEMU command 'getfd': Parameter 'fdname' expects a name not starting with a digit We also close the file descriptor in this case, so that shutting down the guest cleans up the host cgroup entries and allows future guests to use vhost-scsi devices. (Otherwise the guest will silently end.) Signed-off-by: NEric Farman <farman@linux.vnet.ibm.com>
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