[libvirt] [PATCH 11/22] qemu: Implement virConnectCompareHypervisorCPU
Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com>
---
src/qemu/qemu_driver.c | 60 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 6c086b9ef8..4b48afdad1 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -13100,6 +13100,65 @@ qemuConnectCompareCPU(virConnectPtr conn,
}
+static int
+qemuConnectCompareHypervisorCPU(virConnectPtr conn,
+ const char *emulator,
+ const char *archStr,
+ const char *machine,
+ const char *virttypeStr,
+ const char *xmlCPU,
+ unsigned int flags)
+{
+ int ret = VIR_CPU_COMPARE_ERROR;
+ virQEMUDriverPtr driver = conn->privateData;
+ virQEMUCapsPtr qemuCaps = NULL;
+ bool failIncompatible;
+ virCPUDefPtr hvCPU;
+ virArch arch;
+ virDomainVirtType virttype;
+
+ virCheckFlags(VIR_CONNECT_COMPARE_CPU_FAIL_INCOMPATIBLE,
+ VIR_CPU_COMPARE_ERROR);
+
+ if (virConnectCompareHypervisorCPUEnsureACL(conn) < 0)
+ goto cleanup;
+
+ failIncompatible = !!(flags & VIR_CONNECT_COMPARE_CPU_FAIL_INCOMPATIBLE);
+
+ qemuCaps = virQEMUCapsCacheLookupDefault(driver->qemuCapsCache,
+ emulator,
+ archStr,
+ virttypeStr,
+ machine,
+ &arch, &virttype, NULL);
+ if (!qemuCaps)
+ goto cleanup;
+
+ hvCPU = virQEMUCapsGetHostModel(qemuCaps, virttype,
+ VIR_QEMU_CAPS_HOST_CPU_REPORTED);
+ if (!hvCPU || hvCPU->fallback != VIR_CPU_FALLBACK_FORBID) {
+ virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
+ _("QEMU '%s' does not support reporting CPU model for
"
+ "virttype '%s'"),
+ virQEMUCapsGetBinary(qemuCaps),
+ virDomainVirtTypeToString(virttype));
+ goto cleanup;
+ }
+
+ if (ARCH_IS_X86(arch)) {
+ ret = virCPUCompareXML(arch, hvCPU, xmlCPU, failIncompatible);
+ } else {
+ virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
+ _("comparing hypervisor CPUs is not supported for "
+ "arch %s"), virArchToString(arch));
+ }
+
+ cleanup:
+ virObjectUnref(qemuCaps);
+ return ret;
+}
+
+
static char *
qemuConnectBaselineCPU(virConnectPtr conn ATTRIBUTE_UNUSED,
const char **xmlCPUs,
@@ -21326,6 +21385,7 @@ static virHypervisorDriver qemuHypervisorDriver = {
.domainSetVcpu = qemuDomainSetVcpu, /* 3.1.0 */
.domainSetBlockThreshold = qemuDomainSetBlockThreshold, /* 3.2.0 */
.domainSetLifecycleAction = qemuDomainSetLifecycleAction, /* 3.9.0 */
+ .connectCompareHypervisorCPU = qemuConnectCompareHypervisorCPU, /* 4.4.0 */
};
--
2.17.0