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qemuBuildDeviceAddressStr: Prefer default alias for PCI bus

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1434451

Just like in 9324f67a57 we need to put default pci-root
alias onto the command line instead of the one provided by user.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2017-11-14 17:19:58 +01:00
parent f66e5896ad
commit 937f319536
2 changed files with 25 additions and 9 deletions
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16
src/qemu/qemu_command.c
View File

@ -318,9 +318,22 @@ qemuBuildDeviceAddressStr(virBufferPtr buf,
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
cont->idx == info->addr.pci.bus) {
contAlias = cont->info.alias;
contIsPHB = virDomainControllerIsPSeriesPHB(cont);
contTargetIndex = cont->opts.pciopts.targetIndex;
/* When domain has builtin pci-root controller we don't put it
* onto cmd line. Therefore we can't set its alias. In that
* case, use the default one. */
if (!qemuDomainIsPSeries(domainDef) &&
cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) {
if (virQEMUCapsHasPCIMultiBus(qemuCaps, domainDef))
contAlias = "pci.0";
else
contAlias = "pci";
} else if (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT) {
contAlias = "pcie.0";
} else {
contAlias = cont->info.alias;
if (!contAlias) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Device alias was not set for PCI "
@ -329,6 +342,7 @@ qemuBuildDeviceAddressStr(virBufferPtr buf,
info->addr.pci.bus, devStr);
goto cleanup;
}
}
break;
}
}

4
tests/qemuxml2argvdata/qemuxml2argv-user-aliases.xml
View File

@ -74,7 +74,9 @@
<alias name='ua-SomeWeirdController'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<controller type='pci' index='0' model='pci-root'>
<alias name='ua-MyPCIRootController'/>
</controller>
<controller type='ide' index='0'>
<alias name='ua-DoesAnybodyStillUseIDE'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>