Add VM detail for KVM hint dedicated feature

Author: nvazquez

api/src/main/java/com/cloud/vm/VmDetailConstants.java

@@ -58,6 +58,9 @@ public interface VmDetailConstants {
     // KVM specific, disk controllers
     String KVM_SKIP_FORCE_DISK_CONTROLLER = "skip.force.disk.controller";
 
+    // KVM specific, configuring special features
+    String KVM_HINT_DEDICATED = "kvm.hint.dedicated";
+
     // Mac OSX guest specific (internal)
     String SMC_PRESENT = "smc.present";
     String FIRMWARE = "firmware";

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java

@@ -3250,6 +3250,9 @@ protected FeaturesDef createFeaturesDef(Map<String, String> customParams, boolea
         if (isUefiEnabled && isSecureBoot) {
             features.addFeatures(SMM);
         }
+        if (MapUtils.isNotEmpty(customParams) && customParams.containsKey(VmDetailConstants.KVM_HINT_DEDICATED)) {
+            features.setKvmHintDedicated(Boolean.parseBoolean(customParams.get(VmDetailConstants.KVM_HINT_DEDICATED)));
+        }
         return features;
     }
 

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java

@@ -391,6 +391,8 @@ public static class FeaturesDef {
         private final List<String> _features = new ArrayList<String>();
 
         private HyperVEnlightenmentFeatureDef hyperVEnlightenmentFeatureDef = null;
+        private boolean kvmHintDedicated = false;
+
         public void addFeatures(String feature) {
             _features.add(feature);
         }
@@ -399,6 +401,10 @@ public void addHyperVFeature(HyperVEnlightenmentFeatureDef hyperVEnlightenmentFe
             this.hyperVEnlightenmentFeatureDef = hyperVEnlightenmentFeatureDef;
         }
 
+        public void setKvmHintDedicated(boolean kvmHintDedicated) {
+            this.kvmHintDedicated = kvmHintDedicated;
+        }
+
         @Override
         public String toString() {
             StringBuilder feaBuilder = new StringBuilder();
@@ -416,6 +422,9 @@ public String toString() {
                     feaBuilder.append(hpervF);
                 }
             }
+            if (kvmHintDedicated) {
+                feaBuilder.append("<kvm><hint-dedicated state='on'/></kvm>\n");
+            }
             feaBuilder.append("</features>\n");
             return feaBuilder.toString();
         }

server/src/main/java/com/cloud/api/query/QueryManagerImpl.java

@@ -5484,6 +5484,7 @@ private void fillVMOrTemplateDetailOptions(final Map<String, List<String>> optio
             options.put(VmDetailConstants.GUEST_CPU_MODEL, Collections.emptyList());
             options.put(VmDetailConstants.KVM_GUEST_OS_MACHINE_TYPE, Collections.emptyList());
             options.put(VmDetailConstants.KVM_SKIP_FORCE_DISK_CONTROLLER, Arrays.asList("true", "false"));
+            options.put(VmDetailConstants.KVM_HINT_DEDICATED, Arrays.asList("true", "false"));
         }
 
         if (HypervisorType.VMware.equals(hypervisorType)) {