[libvirt PATCH v2 2/8] qemu: Add the QEMU_CAPS_CPU_KVM_NO_ADJVTIME capability

Andrea Bolognani abologna at redhat.com
Fri Feb 7 14:27:02 UTC 2020


We will use this capability to detect whether the QEMU binary
supports the kvm-no-adjvtime CPU feature.

Reviewed-by: Ján Tomko <jtomko at redhat.com>
Signed-off-by: Andrea Bolognani <abologna at redhat.com>
---
 src/qemu/qemu_capabilities.c                      | 2 ++
 src/qemu/qemu_capabilities.h                      | 1 +
 tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml | 1 +
 3 files changed, 4 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index dd2311cfa9..0e727093bc 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -559,6 +559,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "rng-builtin",
               "virtio-net.failover",
               "tpm-spapr",
+              "cpu.kvm-no-adjvtime",
     );
 
 
@@ -1562,6 +1563,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendMemfd[]
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMaxCPU[] = {
     { "unavailable-features", QEMU_CAPS_CPU_UNAVAILABLE_FEATURES },
+    { "kvm-no-adjvtime", QEMU_CAPS_CPU_KVM_NO_ADJVTIME },
 };
 
 static virQEMUCapsObjectTypeProps virQEMUCapsObjectProps[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 2473e64654..e6c5725a76 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -541,6 +541,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_OBJECT_RNG_BUILTIN, /* -object rng-builtin */
     QEMU_CAPS_VIRTIO_NET_FAILOVER, /* virtio-net-*.failover */
     QEMU_CAPS_DEVICE_TPM_SPAPR, /* -device tpm-spapr */
+    QEMU_CAPS_CPU_KVM_NO_ADJVTIME, /* -cpu ...,kvm-no-adjvtime */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
index 538b40dd5b..c05cea2eb7 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
@@ -179,6 +179,7 @@
   <flag name='smp-dies'/>
   <flag name='rng-builtin'/>
   <flag name='virtio-net.failover'/>
+  <flag name='cpu.kvm-no-adjvtime'/>
   <version>4002050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700241</microcodeVersion>
-- 
2.24.1




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