[PATCH v5 03/16] qemu_capabilities: Introduce QEMU_CAPS_MEMORY_BACKEND_RESERVE

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

This capability tracks whether memory-backend-* supports .reserve
attribute which is going to be important for backends associated
with virtio-mem devices.

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/qemu/qemu_capabilities.c                     | 4 ++++
 src/qemu/qemu_capabilities.h                     | 3 +++
 tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml | 1 +
 3 files changed, 8 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 711dc2f248..f92ef069d1 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -639,6 +639,9 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "s390-pv-guest", /* QEMU_CAPS_S390_PV_GUEST */
               "set-action", /* QEMU_CAPS_SET_ACTION */
               "virtio-mem-pci", /* QEMU_CAPS_DEVICE_VIRTIO_MEM_PCI */
+
+              /* 410 */
+              "memory-backend-file.reserve", /* QEMU_CAPS_MEMORY_BACKEND_RESERVE */
     );
 
 
@@ -1719,6 +1722,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendFile[] =
      * supported. The 'x-' prefix was kept for compatibility with already
      * released qemu versions. */
     { "x-use-canonical-path-for-ramblock-id", QEMU_CAPS_X_USE_CANONICAL_PATH_FOR_RAMBLOCK_ID },
+    { "reserve", QEMU_CAPS_MEMORY_BACKEND_RESERVE },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendMemfd[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 1e88591975..79a7df4f7d 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -620,6 +620,9 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_SET_ACTION, /* 'set-action' QMP command */
     QEMU_CAPS_DEVICE_VIRTIO_MEM_PCI, /* -device virtio-mem-pci */
 
+    /* 410 */
+    QEMU_CAPS_MEMORY_BACKEND_RESERVE, /* -object memory-backend-*.reserve= */
+
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
 
diff --git a/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
index 20ec221deb..ba4b65f04d 100644
--- a/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
@@ -257,6 +257,7 @@
   <flag name='query-display-options'/>
   <flag name='set-action'/>
   <flag name='virtio-mem-pci'/>
+  <flag name='memory-backend-file.reserve'/>
   <version>6001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100243</microcodeVersion>
-- 
2.32.0