Now that deleting and reverting external snapshots is implemented we can report that in capabilities so management applications can use that information and start using external snapshots. Signed-off-by: Pavel Hrdina <phrdina@redhat.com> --- docs/formatcaps.rst | 6 ++++++ src/conf/capabilities.c | 1 + src/conf/capabilities.h | 1 + src/conf/schemas/capability.rng | 5 +++++ src/qemu/qemu_capabilities.c | 1 + tests/qemucaps2xmloutdata/caps.aarch64+hvf.xml | 1 + tests/qemucaps2xmloutdata/caps.aarch64.xml | 1 + tests/qemucaps2xmloutdata/caps.ppc.xml | 1 + tests/qemucaps2xmloutdata/caps.ppc64.xml | 1 + tests/qemucaps2xmloutdata/caps.riscv64.xml | 1 + tests/qemucaps2xmloutdata/caps.s390x.xml | 1 + tests/qemucaps2xmloutdata/caps.sparc.xml | 1 + tests/qemucaps2xmloutdata/caps.x86_64+hvf.xml | 1 + tests/qemucaps2xmloutdata/caps.x86_64.xml | 1 + 14 files changed, 23 insertions(+) diff --git a/docs/formatcaps.rst b/docs/formatcaps.rst index f7e5342654..0e056914b8 100644 --- a/docs/formatcaps.rst +++ b/docs/formatcaps.rst @@ -134,6 +134,11 @@ The ``<guest/>`` element will typically wrap up the following elements: external disk snapshots are supported. If absent, external snapshots may still be supported, but it requires attempting the API and checking for an error to find out for sure. :since:`Since 1.2.3` + ``externalSnapshot`` + If this element is present, the hypervisor supports creating, deleting and + reverting external snapshots including memory state and management + applications can switch from internal snapshots to external snapshots. + :since:`Since 9.7.0` Examples ~~~~~~~~ @@ -318,6 +323,7 @@ capabilities enabled in the chip and BIOS you will see: <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/src/conf/capabilities.c b/src/conf/capabilities.c index 56768ce6e0..34f04cb7d3 100644 --- a/src/conf/capabilities.c +++ b/src/conf/capabilities.c @@ -508,6 +508,7 @@ static const struct virCapsGuestFeatureInfo virCapsGuestFeatureInfos[VIR_CAPS_GU [VIR_CAPS_GUEST_FEATURE_TYPE_DEVICEBOOT] = { "deviceboot", false }, [VIR_CAPS_GUEST_FEATURE_TYPE_DISKSNAPSHOT] = { "disksnapshot", true }, [VIR_CAPS_GUEST_FEATURE_TYPE_HAP] = { "hap", true }, + [VIR_CAPS_GUEST_FEATURE_TYPE_EXTERNAL_SNAPSHOT] = { "externalSnapshot", false }, }; diff --git a/src/conf/capabilities.h b/src/conf/capabilities.h index c78e3e52fa..9eaf6e2807 100644 --- a/src/conf/capabilities.h +++ b/src/conf/capabilities.h @@ -40,6 +40,7 @@ typedef enum { VIR_CAPS_GUEST_FEATURE_TYPE_DEVICEBOOT, VIR_CAPS_GUEST_FEATURE_TYPE_DISKSNAPSHOT, VIR_CAPS_GUEST_FEATURE_TYPE_HAP, + VIR_CAPS_GUEST_FEATURE_TYPE_EXTERNAL_SNAPSHOT, VIR_CAPS_GUEST_FEATURE_TYPE_LAST } virCapsGuestFeatureType; diff --git a/src/conf/schemas/capability.rng b/src/conf/schemas/capability.rng index 83b414961a..b1968df258 100644 --- a/src/conf/schemas/capability.rng +++ b/src/conf/schemas/capability.rng @@ -493,6 +493,11 @@ <empty/> </element> </optional> + <optional> + <element name="externalSnapshot"> + <empty/> + </element> + </optional> </interleave> </element> </define> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 40eacf0f4d..05cc11218a 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -1121,6 +1121,7 @@ virQEMUCapsInitGuestFromBinary(virCaps *caps, virCapabilitiesAddGuestFeature(guest, VIR_CAPS_GUEST_FEATURE_TYPE_DEVICEBOOT); virCapabilitiesAddGuestFeatureWithToggle(guest, VIR_CAPS_GUEST_FEATURE_TYPE_DISKSNAPSHOT, true, false); + virCapabilitiesAddGuestFeature(guest, VIR_CAPS_GUEST_FEATURE_TYPE_EXTERNAL_SNAPSHOT); if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_TCG)) { virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, diff --git a/tests/qemucaps2xmloutdata/caps.aarch64+hvf.xml b/tests/qemucaps2xmloutdata/caps.aarch64+hvf.xml index b53a886b90..b9a5b5a1d6 100644 --- a/tests/qemucaps2xmloutdata/caps.aarch64+hvf.xml +++ b/tests/qemucaps2xmloutdata/caps.aarch64+hvf.xml @@ -21,6 +21,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.aarch64.xml b/tests/qemucaps2xmloutdata/caps.aarch64.xml index 5dca6d3102..61512ed740 100644 --- a/tests/qemucaps2xmloutdata/caps.aarch64.xml +++ b/tests/qemucaps2xmloutdata/caps.aarch64.xml @@ -21,6 +21,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.ppc.xml b/tests/qemucaps2xmloutdata/caps.ppc.xml index e7ba391795..86d6b85ae0 100644 --- a/tests/qemucaps2xmloutdata/caps.ppc.xml +++ b/tests/qemucaps2xmloutdata/caps.ppc.xml @@ -19,6 +19,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.ppc64.xml b/tests/qemucaps2xmloutdata/caps.ppc64.xml index 85623f3980..90859f9594 100644 --- a/tests/qemucaps2xmloutdata/caps.ppc64.xml +++ b/tests/qemucaps2xmloutdata/caps.ppc64.xml @@ -20,6 +20,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.riscv64.xml b/tests/qemucaps2xmloutdata/caps.riscv64.xml index 09b7eb7f2f..c6fa950211 100644 --- a/tests/qemucaps2xmloutdata/caps.riscv64.xml +++ b/tests/qemucaps2xmloutdata/caps.riscv64.xml @@ -19,6 +19,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.s390x.xml b/tests/qemucaps2xmloutdata/caps.s390x.xml index bb82a15040..6379ab73e6 100644 --- a/tests/qemucaps2xmloutdata/caps.s390x.xml +++ b/tests/qemucaps2xmloutdata/caps.s390x.xml @@ -20,6 +20,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.sparc.xml b/tests/qemucaps2xmloutdata/caps.sparc.xml index 9d977c4102..b5b158e430 100644 --- a/tests/qemucaps2xmloutdata/caps.sparc.xml +++ b/tests/qemucaps2xmloutdata/caps.sparc.xml @@ -19,6 +19,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.x86_64+hvf.xml b/tests/qemucaps2xmloutdata/caps.x86_64+hvf.xml index 356819a6c6..f5e49ba4db 100644 --- a/tests/qemucaps2xmloutdata/caps.x86_64+hvf.xml +++ b/tests/qemucaps2xmloutdata/caps.x86_64+hvf.xml @@ -22,6 +22,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> diff --git a/tests/qemucaps2xmloutdata/caps.x86_64.xml b/tests/qemucaps2xmloutdata/caps.x86_64.xml index 35359780c4..8dd1439a80 100644 --- a/tests/qemucaps2xmloutdata/caps.x86_64.xml +++ b/tests/qemucaps2xmloutdata/caps.x86_64.xml @@ -22,6 +22,7 @@ <cpuselection/> <deviceboot/> <disksnapshot default='on' toggle='no'/> + <externalSnapshot/> </features> </guest> -- 2.41.0