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qemu: Introduce virQEMUCapsIsCPUModeSupported

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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark 2016-08-03 16:22:30 +02:00
parent 21dead6370
commit 803497a8ac
2 changed files with 46 additions and 12 deletions
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54
src/qemu/qemu_capabilities.c
View File

@ -2371,6 +2371,32 @@ virQEMUCapsGetHostModel(virQEMUCapsPtr qemuCaps)
}
bool
virQEMUCapsIsCPUModeSupported(virQEMUCapsPtr qemuCaps,
virCapsPtr caps,
virDomainVirtType type,
virCPUMode mode)
{
switch (mode) {
case VIR_CPU_MODE_HOST_PASSTHROUGH:
return type == VIR_DOMAIN_VIRT_KVM &&
virQEMUCapsGuestIsNative(caps->host.arch, qemuCaps->arch);
case VIR_CPU_MODE_HOST_MODEL:
return !!qemuCaps->hostCPUModel;
case VIR_CPU_MODE_CUSTOM:
return qemuCaps->cpuDefinitions &&
qemuCaps->cpuDefinitions->nmodels > 0;
case VIR_CPU_MODE_LAST:
break;
}
return false;
}
int virQEMUCapsGetMachineTypesCaps(virQEMUCapsPtr qemuCaps,
size_t *nmachines,
virCapsGuestMachinePtr **machines)
@ -4358,22 +4384,26 @@ virQEMUCapsFillDomainCPUCaps(virCapsPtr caps,
virQEMUCapsPtr qemuCaps,
virDomainCapsPtr domCaps)
{
virDomainCapsCPUModelsPtr filtered = NULL;
char **models = NULL;
if (domCaps->virttype == VIR_DOMAIN_VIRT_KVM &&
virQEMUCapsGuestIsNative(caps->host.arch, qemuCaps->arch))
if (virQEMUCapsIsCPUModeSupported(qemuCaps, caps, domCaps->virttype,
VIR_CPU_MODE_HOST_PASSTHROUGH))
domCaps->cpu.hostPassthrough = true;
domCaps->cpu.hostModel = virCPUDefCopy(qemuCaps->hostCPUModel);
if (virQEMUCapsIsCPUModeSupported(qemuCaps, caps, domCaps->virttype,
VIR_CPU_MODE_HOST_MODEL))
domCaps->cpu.hostModel = virCPUDefCopy(qemuCaps->hostCPUModel);
if (qemuCaps->cpuDefinitions &&
cpuGetModels(domCaps->arch, &models) >= 0) {
filtered = virDomainCapsCPUModelsFilter(qemuCaps->cpuDefinitions,
(const char **) models);
virStringFreeList(models);
if (virQEMUCapsIsCPUModeSupported(qemuCaps, caps, domCaps->virttype,
VIR_CPU_MODE_CUSTOM)) {
virDomainCapsCPUModelsPtr filtered = NULL;
char **models = NULL;
if (cpuGetModels(domCaps->arch, &models) >= 0) {
filtered = virDomainCapsCPUModelsFilter(qemuCaps->cpuDefinitions,
(const char **) models);
virStringFreeList(models);
}
domCaps->cpu.custom = filtered;
}
domCaps->cpu.custom = filtered;
return 0;
}

4
src/qemu/qemu_capabilities.h
View File

@ -430,6 +430,10 @@ int virQEMUCapsGetCPUDefinitions(virQEMUCapsPtr qemuCaps,
char ***names,
size_t *count);
virCPUDefPtr virQEMUCapsGetHostModel(virQEMUCapsPtr qemuCaps);
bool virQEMUCapsIsCPUModeSupported(virQEMUCapsPtr qemuCaps,
virCapsPtr caps,
virDomainVirtType type,
virCPUMode mode);
const char *virQEMUCapsGetCanonicalMachine(virQEMUCapsPtr qemuCaps,
const char *name);
int virQEMUCapsGetMachineMaxCpus(virQEMUCapsPtr qemuCaps,