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qemu: Add support for unavailable-features 

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: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark 2016-04-21 13:08:12 +02:00
parent fe66e2fffe
commit a1adfb0f06
9 changed files with 207 additions and 141 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/qemu/qemu_capabilities.c
View File

@ -2348,7 +2348,8 @@ int
virQEMUCapsAddCPUDefinitions(virQEMUCapsPtr qemuCaps,
virDomainVirtType type,
const char **name,
size_t count)
size_t count,
virDomainCapsCPUUsable usable)
{
size_t i;
virDomainCapsCPUModelsPtr cpus = NULL;
@ -2369,8 +2370,7 @@ virQEMUCapsAddCPUDefinitions(virQEMUCapsPtr qemuCaps,
}
for (i = 0; i < count; i++) {
if (virDomainCapsCPUModelsAdd(cpus, name[i], -1,
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
if (virDomainCapsCPUModelsAdd(cpus, name[i], -1, usable) < 0)
return -1;
}
@ -2786,9 +2786,14 @@ virQEMUCapsProbeQMPCPUDefinitions(virQEMUCapsPtr qemuCaps,
qemuCaps->kvmCPUModels = models;
for (i = 0; i < ncpus; i++) {
if (virDomainCapsCPUModelsAddSteal(models,
&cpus[i]->name,
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
virDomainCapsCPUUsable usable = VIR_DOMCAPS_CPU_USABLE_UNKNOWN;
if (cpus[i]->usable == VIR_TRISTATE_BOOL_YES)
usable = VIR_DOMCAPS_CPU_USABLE_YES;
else if (cpus[i]->usable == VIR_TRISTATE_BOOL_NO)
usable = VIR_DOMCAPS_CPU_USABLE_NO;
if (virDomainCapsCPUModelsAddSteal(models, &cpus[i]->name, usable) < 0)
goto cleanup;
}
@ -3099,14 +3104,23 @@ virQEMUCapsLoadCPUModels(virQEMUCapsPtr qemuCaps,
qemuCaps->tcgCPUModels = cpus;
for (i = 0; i < n; i++) {
int usable = VIR_DOMCAPS_CPU_USABLE_UNKNOWN;
if ((str = virXMLPropString(nodes[i], "usable")) &&
(usable = virDomainCapsCPUUsableTypeFromString(str)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown value '%s' in attribute 'usable'"), str);
goto cleanup;
}
VIR_FREE(str);
if (!(str = virXMLPropString(nodes[i], "name"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("missing cpu name in QEMU capabilities cache"));
goto cleanup;
}
if (virDomainCapsCPUModelsAddSteal(cpus, &str,
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
if (virDomainCapsCPUModelsAddSteal(cpus, &str, usable) < 0)
goto cleanup;
}
@ -3385,8 +3399,15 @@ virQEMUCapsFormatCPUModels(virQEMUCapsPtr qemuCaps,
return;
for (i = 0; i < cpus->nmodels; i++) {
virDomainCapsCPUModelPtr cpu = cpus->models + i;
virBufferAsprintf(buf, "<cpu type='%s' ", typeStr);
virBufferEscapeString(buf, "name='%s'/>\n", cpus->models[i].name);
virBufferEscapeString(buf, "name='%s'", cpu->name);
if (cpu->usable) {
virBufferAsprintf(buf, " usable='%s'",
virDomainCapsCPUUsableTypeToString(cpu->usable));
}
virBufferAddLit(buf, "/>\n");
}
}

3
src/qemu/qemu_capabilities.h
View File

@ -433,7 +433,8 @@ unsigned int virQEMUCapsGetKVMVersion(virQEMUCapsPtr qemuCaps);
int virQEMUCapsAddCPUDefinitions(virQEMUCapsPtr qemuCaps,
virDomainVirtType type,
const char **name,
size_t count);
size_t count,
virDomainCapsCPUUsable usable);
int virQEMUCapsGetCPUDefinitions(virQEMUCapsPtr qemuCaps,
virDomainVirtType type,
char ***names,

1
src/qemu/qemu_monitor.h
View File

@ -916,6 +916,7 @@ typedef struct _qemuMonitorCPUDefInfo qemuMonitorCPUDefInfo;
typedef qemuMonitorCPUDefInfo *qemuMonitorCPUDefInfoPtr;
struct _qemuMonitorCPUDefInfo {
virTristateBool usable;
char *name;
};

18
src/qemu/qemu_monitor_json.c
View File

@ -4916,6 +4916,24 @@ qemuMonitorJSONGetCPUDefinitions(qemuMonitorPtr mon,
if (VIR_STRDUP(cpu->name, tmp) < 0)
goto cleanup;
if (virJSONValueObjectHasKey(child, "unavailable-features")) {
virJSONValuePtr blockers;
blockers = virJSONValueObjectGetArray(child,
"unavailable-features");
if (!blockers) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unavailable-features in query-cpu-definitions "
"reply data was not an array"));
goto cleanup;
}
if (virJSONValueArraySize(blockers) > 0)
cpu->usable = VIR_TRISTATE_BOOL_NO;
else
cpu->usable = VIR_TRISTATE_BOOL_YES;
}
}
ret = n;

58
tests/domaincapsschemadata/qemu_2.8.0-tcg.x86_64.xml
View File

@ -24,35 +24,35 @@
<model fallback='allow'>Broadwell</model>
</mode>
<mode name='custom' supported='yes'>
<model usable='unknown'>qemu64</model>
<model usable='unknown'>qemu32</model>
<model usable='unknown'>phenom</model>
<model usable='unknown'>pentium3</model>
<model usable='unknown'>pentium2</model>
<model usable='unknown'>pentium</model>
<model usable='unknown'>n270</model>
<model usable='unknown'>kvm64</model>
<model usable='unknown'>kvm32</model>
<model usable='unknown'>coreduo</model>
<model usable='unknown'>core2duo</model>
<model usable='unknown'>athlon</model>
<model usable='unknown'>Westmere</model>
<model usable='unknown'>Skylake-Client</model>
<model usable='unknown'>SandyBridge</model>
<model usable='unknown'>Penryn</model>
<model usable='unknown'>Opteron_G5</model>
<model usable='unknown'>Opteron_G4</model>
<model usable='unknown'>Opteron_G3</model>
<model usable='unknown'>Opteron_G2</model>
<model usable='unknown'>Opteron_G1</model>
<model usable='unknown'>Nehalem</model>
<model usable='unknown'>IvyBridge</model>
<model usable='unknown'>Haswell</model>
<model usable='unknown'>Haswell-noTSX</model>
<model usable='unknown'>Conroe</model>
<model usable='unknown'>Broadwell</model>
<model usable='unknown'>Broadwell-noTSX</model>
<model usable='unknown'>486</model>
<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='yes'>athlon</model>
<model usable='yes'>Westmere</model>
<model usable='no'>Skylake-Client</model>
<model usable='no'>SandyBridge</model>
<model usable='yes'>Penryn</model>
<model usable='no'>Opteron_G5</model>
<model usable='no'>Opteron_G4</model>
<model usable='no'>Opteron_G3</model>
<model usable='yes'>Opteron_G2</model>
<model usable='yes'>Opteron_G1</model>
<model usable='yes'>Nehalem</model>
<model usable='no'>IvyBridge</model>
<model usable='no'>Haswell</model>
<model usable='no'>Haswell-noTSX</model>
<model usable='yes'>Conroe</model>
<model usable='no'>Broadwell</model>
<model usable='no'>Broadwell-noTSX</model>
<model usable='yes'>486</model>
</mode>
</cpu>
<devices>

58
tests/domaincapsschemadata/qemu_2.8.0.x86_64.xml
View File

@ -24,35 +24,35 @@
<model fallback='allow'>Broadwell</model>
</mode>
<mode name='custom' supported='yes'>
<model usable='unknown'>qemu64</model>
<model usable='unknown'>qemu32</model>
<model usable='unknown'>phenom</model>
<model usable='unknown'>pentium3</model>
<model usable='unknown'>pentium2</model>
<model usable='unknown'>pentium</model>
<model usable='unknown'>n270</model>
<model usable='unknown'>kvm64</model>
<model usable='unknown'>kvm32</model>
<model usable='unknown'>coreduo</model>
<model usable='unknown'>core2duo</model>
<model usable='unknown'>athlon</model>
<model usable='unknown'>Westmere</model>
<model usable='unknown'>Skylake-Client</model>
<model usable='unknown'>SandyBridge</model>
<model usable='unknown'>Penryn</model>
<model usable='unknown'>Opteron_G5</model>
<model usable='unknown'>Opteron_G4</model>
<model usable='unknown'>Opteron_G3</model>
<model usable='unknown'>Opteron_G2</model>
<model usable='unknown'>Opteron_G1</model>
<model usable='unknown'>Nehalem</model>
<model usable='unknown'>IvyBridge</model>
<model usable='unknown'>Haswell</model>
<model usable='unknown'>Haswell-noTSX</model>
<model usable='unknown'>Conroe</model>
<model usable='unknown'>Broadwell</model>
<model usable='unknown'>Broadwell-noTSX</model>
<model usable='unknown'>486</model>
<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>
<model usable='yes'>SandyBridge</model>
<model usable='yes'>Penryn</model>
<model usable='no'>Opteron_G5</model>
<model usable='no'>Opteron_G4</model>
<model usable='no'>Opteron_G3</model>
<model usable='yes'>Opteron_G2</model>
<model usable='yes'>Opteron_G1</model>
<model usable='yes'>Nehalem</model>
<model usable='yes'>IvyBridge</model>
<model usable='yes'>Haswell</model>
<model usable='yes'>Haswell-noTSX</model>
<model usable='yes'>Conroe</model>
<model usable='yes'>Broadwell</model>
<model usable='yes'>Broadwell-noTSX</model>
<model usable='yes'>486</model>
</mode>
</cpu>
<devices>

120
tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml
View File

@ -200,66 +200,66 @@
<kvmVersion>0</kvmVersion>
<package> (v2.8.0-rc1-dirty)</package>
<arch>x86_64</arch>
<cpu type='kvm' name='host'/>
<cpu type='kvm' name='qemu64'/>
<cpu type='kvm' name='qemu32'/>
<cpu type='kvm' name='phenom'/>
<cpu type='kvm' name='pentium3'/>
<cpu type='kvm' name='pentium2'/>
<cpu type='kvm' name='pentium'/>
<cpu type='kvm' name='n270'/>
<cpu type='kvm' name='kvm64'/>
<cpu type='kvm' name='kvm32'/>
<cpu type='kvm' name='coreduo'/>
<cpu type='kvm' name='core2duo'/>
<cpu type='kvm' name='athlon'/>
<cpu type='kvm' name='Westmere'/>
<cpu type='kvm' name='Skylake-Client'/>
<cpu type='kvm' name='SandyBridge'/>
<cpu type='kvm' name='Penryn'/>
<cpu type='kvm' name='Opteron_G5'/>
<cpu type='kvm' name='Opteron_G4'/>
<cpu type='kvm' name='Opteron_G3'/>
<cpu type='kvm' name='Opteron_G2'/>
<cpu type='kvm' name='Opteron_G1'/>
<cpu type='kvm' name='Nehalem'/>
<cpu type='kvm' name='IvyBridge'/>
<cpu type='kvm' name='Haswell'/>
<cpu type='kvm' name='Haswell-noTSX'/>
<cpu type='kvm' name='Conroe'/>
<cpu type='kvm' name='Broadwell'/>
<cpu type='kvm' name='Broadwell-noTSX'/>
<cpu type='kvm' name='486'/>
<cpu type='tcg' name='host'/>
<cpu type='tcg' name='qemu64'/>
<cpu type='tcg' name='qemu32'/>
<cpu type='tcg' name='phenom'/>
<cpu type='tcg' name='pentium3'/>
<cpu type='tcg' name='pentium2'/>
<cpu type='tcg' name='pentium'/>
<cpu type='tcg' name='n270'/>
<cpu type='tcg' name='kvm64'/>
<cpu type='tcg' name='kvm32'/>
<cpu type='tcg' name='coreduo'/>
<cpu type='tcg' name='core2duo'/>
<cpu type='tcg' name='athlon'/>
<cpu type='tcg' name='Westmere'/>
<cpu type='tcg' name='Skylake-Client'/>
<cpu type='tcg' name='SandyBridge'/>
<cpu type='tcg' name='Penryn'/>
<cpu type='tcg' name='Opteron_G5'/>
<cpu type='tcg' name='Opteron_G4'/>
<cpu type='tcg' name='Opteron_G3'/>
<cpu type='tcg' name='Opteron_G2'/>
<cpu type='tcg' name='Opteron_G1'/>
<cpu type='tcg' name='Nehalem'/>
<cpu type='tcg' name='IvyBridge'/>
<cpu type='tcg' name='Haswell'/>
<cpu type='tcg' name='Haswell-noTSX'/>
<cpu type='tcg' name='Conroe'/>
<cpu type='tcg' name='Broadwell'/>
<cpu type='tcg' name='Broadwell-noTSX'/>
<cpu type='tcg' name='486'/>
<cpu type='kvm' name='host' usable='yes'/>
<cpu type='kvm' name='qemu64' usable='yes'/>
<cpu type='kvm' name='qemu32' usable='yes'/>
<cpu type='kvm' name='phenom' usable='no'/>
<cpu type='kvm' name='pentium3' usable='yes'/>
<cpu type='kvm' name='pentium2' usable='yes'/>
<cpu type='kvm' name='pentium' usable='yes'/>
<cpu type='kvm' name='n270' usable='yes'/>
<cpu type='kvm' name='kvm64' usable='yes'/>
<cpu type='kvm' name='kvm32' usable='yes'/>
<cpu type='kvm' name='coreduo' usable='yes'/>
<cpu type='kvm' name='core2duo' usable='yes'/>
<cpu type='kvm' name='athlon' usable='no'/>
<cpu type='kvm' name='Westmere' usable='yes'/>
<cpu type='kvm' name='Skylake-Client' usable='yes'/>
<cpu type='kvm' name='SandyBridge' usable='yes'/>
<cpu type='kvm' name='Penryn' usable='yes'/>
<cpu type='kvm' name='Opteron_G5' usable='no'/>
<cpu type='kvm' name='Opteron_G4' usable='no'/>
<cpu type='kvm' name='Opteron_G3' usable='no'/>
<cpu type='kvm' name='Opteron_G2' usable='yes'/>
<cpu type='kvm' name='Opteron_G1' usable='yes'/>
<cpu type='kvm' name='Nehalem' usable='yes'/>
<cpu type='kvm' name='IvyBridge' usable='yes'/>
<cpu type='kvm' name='Haswell' usable='yes'/>
<cpu type='kvm' name='Haswell-noTSX' usable='yes'/>
<cpu type='kvm' name='Conroe' usable='yes'/>
<cpu type='kvm' name='Broadwell' usable='yes'/>
<cpu type='kvm' name='Broadwell-noTSX' usable='yes'/>
<cpu type='kvm' name='486' usable='yes'/>
<cpu type='tcg' name='host' usable='no'/>
<cpu type='tcg' name='qemu64' usable='yes'/>
<cpu type='tcg' name='qemu32' usable='yes'/>
<cpu type='tcg' name='phenom' usable='no'/>
<cpu type='tcg' name='pentium3' usable='yes'/>
<cpu type='tcg' name='pentium2' usable='yes'/>
<cpu type='tcg' name='pentium' usable='yes'/>
<cpu type='tcg' name='n270' usable='yes'/>
<cpu type='tcg' name='kvm64' usable='yes'/>
<cpu type='tcg' name='kvm32' usable='yes'/>
<cpu type='tcg' name='coreduo' usable='yes'/>
<cpu type='tcg' name='core2duo' usable='yes'/>
<cpu type='tcg' name='athlon' usable='yes'/>
<cpu type='tcg' name='Westmere' usable='yes'/>
<cpu type='tcg' name='Skylake-Client' usable='no'/>
<cpu type='tcg' name='SandyBridge' usable='no'/>
<cpu type='tcg' name='Penryn' usable='yes'/>
<cpu type='tcg' name='Opteron_G5' usable='no'/>
<cpu type='tcg' name='Opteron_G4' usable='no'/>
<cpu type='tcg' name='Opteron_G3' usable='no'/>
<cpu type='tcg' name='Opteron_G2' usable='yes'/>
<cpu type='tcg' name='Opteron_G1' usable='yes'/>
<cpu type='tcg' name='Nehalem' usable='yes'/>
<cpu type='tcg' name='IvyBridge' usable='no'/>
<cpu type='tcg' name='Haswell' usable='no'/>
<cpu type='tcg' name='Haswell-noTSX' usable='no'/>
<cpu type='tcg' name='Conroe' usable='yes'/>
<cpu type='tcg' name='Broadwell' usable='no'/>
<cpu type='tcg' name='Broadwell-noTSX' usable='no'/>
<cpu type='tcg' name='486' usable='yes'/>
<machine name='pc-i440fx-2.8' alias='pc' hotplugCpus='yes' maxCpus='255'/>
<machine name='pc-0.12' hotplugCpus='yes' maxCpus='255'/>
<machine name='pc-i440fx-2.4' hotplugCpus='yes' maxCpus='255'/>

27
tests/qemumonitorjsontest.c
View File

@ -432,10 +432,12 @@ testQemuMonitorJSONGetCPUDefinitions(const void *data)
" \"name\": \"qemu64\" "
" }, "
" { "
" \"name\": \"Opteron_G4\" "
" \"name\": \"Opteron_G4\", "
" \"unavailable-features\": [\"vme\"]"
" }, "
" { "
" \"name\": \"Westmere\" "
" \"name\": \"Westmere\", "
" \"unavailable-features\": []"
" } "
" ]"
"}") < 0)
@ -451,7 +453,7 @@ testQemuMonitorJSONGetCPUDefinitions(const void *data)
goto cleanup;
}
#define CHECK(i, wantname) \
#define CHECK_FULL(i, wantname, Usable) \
do { \
if (STRNEQ(cpus[i]->name, (wantname))) { \
virReportError(VIR_ERR_INTERNAL_ERROR, \
@ -459,13 +461,28 @@ testQemuMonitorJSONGetCPUDefinitions(const void *data)
cpus[i]->name, (wantname)); \
goto cleanup; \
} \
if (cpus[i]->usable != (Usable)) { \
virReportError(VIR_ERR_INTERNAL_ERROR, \
"%s: expecting usable flag %d, got %d", \
cpus[i]->name, Usable, cpus[i]->usable); \
goto cleanup; \
} \
} while (0)
#define CHECK(i, wantname) \
CHECK_FULL(i, wantname, VIR_TRISTATE_BOOL_ABSENT)
#define CHECK_USABLE(i, wantname, usable) \
CHECK_FULL(i, wantname, \
usable ? VIR_TRISTATE_BOOL_YES : VIR_TRISTATE_BOOL_NO)
CHECK(0, "qemu64");
CHECK(1, "Opteron_G4");
CHECK(2, "Westmere");
CHECK_USABLE(1, "Opteron_G4", false);
CHECK_USABLE(2, "Westmere", true);
#undef CHECK
#undef CHECK_USABLE
#undef CHECK_FULL
ret = 0;

24
tests/qemuxml2argvtest.c
View File

@ -303,31 +303,39 @@ testAddCPUModels(virQEMUCapsPtr caps, bool skipLegacy)
if (ARCH_IS_X86(arch)) {
if (virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_KVM, x86Models,
ARRAY_CARDINALITY(x86Models)) < 0 ||
ARRAY_CARDINALITY(x86Models),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0 ||
virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_QEMU, x86Models,
ARRAY_CARDINALITY(x86Models)) < 0)
ARRAY_CARDINALITY(x86Models),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
return -1;
if (!skipLegacy) {
if (virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_KVM,
x86LegacyModels,
ARRAY_CARDINALITY(x86LegacyModels)) < 0 ||
ARRAY_CARDINALITY(x86LegacyModels),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0 ||
virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_QEMU,
x86LegacyModels,
ARRAY_CARDINALITY(x86LegacyModels)) < 0)
ARRAY_CARDINALITY(x86LegacyModels),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
return -1;
}
} else if (ARCH_IS_ARM(arch)) {
if (virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_KVM, armModels,
ARRAY_CARDINALITY(armModels)) < 0 ||
ARRAY_CARDINALITY(armModels),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0 ||
virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_QEMU, armModels,
ARRAY_CARDINALITY(armModels)) < 0)
ARRAY_CARDINALITY(armModels),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
return -1;
} else if (ARCH_IS_PPC64(arch)) {
if (virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_KVM, ppc64Models,
ARRAY_CARDINALITY(ppc64Models)) < 0 ||
ARRAY_CARDINALITY(ppc64Models),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0 ||
virQEMUCapsAddCPUDefinitions(caps, VIR_DOMAIN_VIRT_QEMU, ppc64Models,
ARRAY_CARDINALITY(ppc64Models)) < 0)
ARRAY_CARDINALITY(ppc64Models),
VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
return -1;
}