domain: replace bool accel{2d, 3d} with a tristate

Allowing to have the extra undefined/default state.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/conf/domain_conf.c

@@ -12007,8 +12007,9 @@ virDomainVideoAccelDefParseXML(xmlNodePtr node)
 {
     xmlNodePtr cur;
     virDomainVideoAccelDefPtr def;
-    char *accel3d = NULL;
     char *accel2d = NULL;
+    char *accel3d = NULL;
+    int val;
 
     cur = node->children;
     while (cur != NULL) {
@@ -12026,24 +12027,29 @@ virDomainVideoAccelDefParseXML(xmlNodePtr node)
         return NULL;
 
     if (VIR_ALLOC(def) < 0)
-        return NULL;
+        goto cleanup;
 
     if (accel3d) {
-        if (STREQ(accel3d, "yes"))
-            def->accel3d = true;
-        else
-            def->accel3d = false;
-        VIR_FREE(accel3d);
+        if ((val = virTristateBoolTypeFromString(accel3d)) <= 0) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                           _("unknown accel3d value '%s'"), accel3d);
+            goto cleanup;
+        }
+        def->accel3d = val;
     }
 
     if (accel2d) {
-        if (STREQ(accel2d, "yes"))
-            def->accel2d = true;
-        else
-            def->accel2d = false;
-        VIR_FREE(accel2d);
+        if ((val = virTristateBoolTypeFromString(accel2d)) <= 0) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                           _("unknown accel2d value '%s'"), accel2d);
+            goto cleanup;
+        }
+        def->accel2d = val;
     }
 
+ cleanup:
+    VIR_FREE(accel2d);
+    VIR_FREE(accel3d);
     return def;
 }
 
@@ -20873,10 +20879,15 @@ static void
 virDomainVideoAccelDefFormat(virBufferPtr buf,
                              virDomainVideoAccelDefPtr def)
 {
-    virBufferAsprintf(buf, "<acceleration accel3d='%s'",
-                      def->accel3d ? "yes" : "no");
-    virBufferAsprintf(buf, " accel2d='%s'",
-                      def->accel2d ? "yes" : "no");
+    virBufferAddLit(buf, "<acceleration");
+    if (def->accel3d) {
+        virBufferAsprintf(buf, " accel3d='%s'",
+                          virTristateBoolTypeToString(def->accel3d));
+    }
+    if (def->accel2d) {
+        virBufferAsprintf(buf, " accel2d='%s'",
+                          virTristateBoolTypeToString(def->accel2d));
+    }
     virBufferAddLit(buf, "/>\n");
 }
 

src/conf/domain_conf.h

@@ -1382,8 +1382,8 @@ typedef enum {
 typedef struct _virDomainVideoAccelDef virDomainVideoAccelDef;
 typedef virDomainVideoAccelDef *virDomainVideoAccelDefPtr;
 struct _virDomainVideoAccelDef {
-    bool accel3d;
-    bool accel2d;
+    int accel2d; /* enum virTristateBool */
+    int accel3d; /* enum virTristateBool */
 };
 
 

src/vbox/vbox_common.c

@@ -1553,11 +1553,15 @@ vboxAttachVideo(virDomainDefPtr def, IMachine *machine)
                                        VIR_DIV_UP(def->videos[0]->vram, 1024));
         gVBoxAPI.UIMachine.SetMonitorCount(machine, def->videos[0]->heads);
         if (def->videos[0]->accel) {
-            gVBoxAPI.UIMachine.SetAccelerate3DEnabled(machine,
-                                                      def->videos[0]->accel->accel3d);
-            if (gVBoxAPI.accelerate2DVideo)
+            if (def->videos[0]->accel->accel3d) {
+                gVBoxAPI.UIMachine.SetAccelerate3DEnabled(machine,
+                    def->videos[0]->accel->accel3d == VIR_TRISTATE_BOOL_YES);
+            }
+            if (def->videos[0]->accel->accel2d &&
+                gVBoxAPI.accelerate2DVideo) {
                 gVBoxAPI.UIMachine.SetAccelerate2DVideoEnabled(machine,
-                                                               def->videos[0]->accel->accel2d);
+                    def->videos[0]->accel->accel2d == VIR_TRISTATE_BOOL_YES);
+            }
         } else {
             gVBoxAPI.UIMachine.SetAccelerate3DEnabled(machine, 0);
             if (gVBoxAPI.accelerate2DVideo)
@@ -3277,8 +3281,10 @@ vboxDumpVideo(virDomainDefPtr def, vboxGlobalData *data ATTRIBUTE_UNUSED,
             def->videos[0]->vram            = VRAMSize * 1024;
             def->videos[0]->heads           = monitorCount;
             if (VIR_ALLOC(def->videos[0]->accel) >= 0) {
-                def->videos[0]->accel->accel3d = accelerate3DEnabled;
-                def->videos[0]->accel->accel2d = accelerate2DEnabled;
+                def->videos[0]->accel->accel3d = accelerate3DEnabled ?
+                    VIR_TRISTATE_BOOL_YES : VIR_TRISTATE_BOOL_NO;
+                def->videos[0]->accel->accel2d = accelerate2DEnabled ?
+                    VIR_TRISTATE_BOOL_YES : VIR_TRISTATE_BOOL_NO;
             }
         }
     }