qemu: Move and rename qemuDomainUpdateQEMUCaps

The function is now used only in qemu_process.c so move it there and
name it 'qemuProcessPrepareQEMUCaps' which is more appropriate to what
it's doing.

The reworded comment now mentions that it will also post-process the
caps for VM startup.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/qemu/qemu_domain.c

@@ -15065,32 +15065,6 @@ qemuDomainFixupCPUs(virDomainObjPtr vm,
 }
 
 
-/**
- * qemuDomainUpdateQEMUCaps:
- * @vm: domain object
- * @qemuCapsCache: cache of QEMU capabilities
- *
- * This function updates the used QEMU capabilities of @vm by querying
- * the QEMU capabilities cache.
- *
- * Returns 0 on success, -1 on error.
- */
-int
-qemuDomainUpdateQEMUCaps(virDomainObjPtr vm,
-                         virFileCachePtr qemuCapsCache)
-{
-    qemuDomainObjPrivatePtr priv = vm->privateData;
-
-    virObjectUnref(priv->qemuCaps);
-    if (!(priv->qemuCaps = virQEMUCapsCacheLookupCopy(qemuCapsCache,
-                                                      vm->def->virtType,
-                                                      vm->def->emulator,
-                                                      vm->def->os.machine)))
-        return -1;
-    return 0;
-}
-
-
 char *
 qemuDomainGetMachineName(virDomainObjPtr vm)
 {

src/qemu/qemu_domain.h

@@ -1155,10 +1155,6 @@ int
 qemuDomainFixupCPUs(virDomainObjPtr vm,
                     virCPUDefPtr *origCPU);
 
-int
-qemuDomainUpdateQEMUCaps(virDomainObjPtr vm,
-                         virFileCachePtr qemuCapsCache);
-
 char *
 qemuDomainGetMachineName(virDomainObjPtr vm);
 

src/qemu/qemu_process.c

@@ -5486,6 +5486,34 @@ qemuProcessStartUpdateCustomCaps(virDomainObjPtr vm)
 }
 
 
+/**
+ * qemuProcessPrepareQEMUCaps:
+ * @vm: domain object
+ * @qemuCapsCache: cache of QEMU capabilities
+ *
+ * Prepare the capabilities of a QEMU process for startup. This includes
+ * copying the caps to a static cache and potential post-processing depending
+ * on the configuration of the VM and startup process.
+ *
+ * Returns 0 on success, -1 on error.
+ */
+static int
+qemuProcessPrepareQEMUCaps(virDomainObjPtr vm,
+                           virFileCachePtr qemuCapsCache)
+{
+    qemuDomainObjPrivatePtr priv = vm->privateData;
+
+    virObjectUnref(priv->qemuCaps);
+    if (!(priv->qemuCaps = virQEMUCapsCacheLookupCopy(qemuCapsCache,
+                                                      vm->def->virtType,
+                                                      vm->def->emulator,
+                                                      vm->def->os.machine)))
+        return -1;
+
+    return 0;
+}
+
+
 /**
  * qemuProcessInit:
  *
@@ -5537,7 +5565,7 @@ qemuProcessInit(virQEMUDriverPtr driver,
     }
 
     VIR_DEBUG("Determining emulator version");
-    if (qemuDomainUpdateQEMUCaps(vm, driver->qemuCapsCache) < 0)
+    if (qemuProcessPrepareQEMUCaps(vm, driver->qemuCapsCache) < 0)
         goto cleanup;
 
     if (flags & VIR_QEMU_PROCESS_START_STANDALONE)