Signed-off-by: Jiri Denemark
---
Notes:
Version 2:
- fix crash with CPUs without type
src/qemu/qemu_capabilities.c | 36
src/qemu/qemu_capabilities.h | 3 +++
2 files changed, 39 insertions(+)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 33cd3491b2..dd7ea9ae86 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -2179,6 +2179,42 @@ bool virQEMUCapsGetMachineHotplugCpus(virQEMUCapsPtr
qemuCaps,
}
+const char *
+virQEMUCapsGetMachineDefaultCPU(virQEMUCapsPtr qemuCaps,
+const char *name,
+virDomainVirtType type)
+{
+qemuMonitorCPUDefsPtr defs;
+const char *cpuType = NULL;
+size_t i;
+
+if (type == VIR_DOMAIN_VIRT_KVM)
+defs = qemuCaps->kvmCPUModels;
+else
+defs = qemuCaps->tcgCPUModels;
+
+if (!name || !defs)
+return NULL;
+
+for (i = 0; i < qemuCaps->nmachineTypes; i++) {
+if (STREQ(qemuCaps->machineTypes[i].name, name)) {
+cpuType = qemuCaps->machineTypes[i].defaultCPU;
+break;
+}
+}
+
+if (!cpuType)
+return NULL;
+
+for (i = 0; i < defs->ncpus; i++) {
+if (STREQ_NULLABLE(defs->cpus[i].type, cpuType))
+return defs->cpus[i].name;
+}
+
+return NULL;
+}
+
+
/**
* virQEMUCapsSetGICCapabilities:
* @qemuCaps: QEMU capabilities
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 923706c3bf..f5133d083d 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -607,6 +607,9 @@ int virQEMUCapsGetMachineMaxCpus(virQEMUCapsPtr qemuCaps,
const char *name);
bool virQEMUCapsGetMachineHotplugCpus(virQEMUCapsPtr qemuCaps,
const char *name);
+const char *virQEMUCapsGetMachineDefaultCPU(virQEMUCapsPtr qemuCaps,
+const char *name,
+virDomainVirtType type);
int virQEMUCapsGetMachineTypesCaps(virQEMUCapsPtr qemuCaps,
size_t *nmachines,
virCapsGuestMachinePtr **machines);
--
2.23.0
--
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