Add API Version check derived from the spec for each api

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

Author: nrspruit

scripts/templates/helper.py

@@ -1702,6 +1702,41 @@ def get_class_function_objs(specs, cname, minVersion = 0, maxVersion = 9999):
                     objects.append(obj)
     return sorted(objects, key=lambda obj: (float(obj.get('version',"1.0"))*10000) + int(obj.get('ordinal',"100")))
 
+"""
+Public:
+    returns the version of a function object
+"""
+def get_version(obj):
+    if obj_traits.is_function(obj):
+        version = obj.get('version')
+        if version == "1.0":
+            return "ZE_API_VERSION_1_0"
+        if version == "1.1":
+            return "ZE_API_VERSION_1_1"
+        if version == "1.2":
+            return "ZE_API_VERSION_1_2"
+        if version == "1.3":
+            return "ZE_API_VERSION_1_3"
+        if version == "1.4":
+            return "ZE_API_VERSION_1_4"
+        if version == "1.5":
+            return "ZE_API_VERSION_1_5"
+        if version == "1.6":
+            return "ZE_API_VERSION_1_6"
+        if version == "1.7":
+            return "ZE_API_VERSION_1_7"
+        if version == "1.8":
+            return "ZE_API_VERSION_1_8"
+        if version == "1.9":
+            return "ZE_API_VERSION_1_9"
+        if version == "1.10":
+            return "ZE_API_VERSION_1_10"
+        if version == "1.11":
+            return "ZE_API_VERSION_1_11"
+        if version == "1.12":
+            return "ZE_API_VERSION_1_12"
+        return "ZE_API_VERSION_1_0"
+
 """
 Public:
     returns a list of all non-experimental function objs and a list of experimental function objs for the specified class

scripts/templates/ldrddi.cpp.mako

@@ -183,6 +183,10 @@ namespace loader
         %endif
         if (dditable->isValidFlag == 0)
             return ${X}_RESULT_ERROR_UNINITIALIZED;
+        // Check that api version in the driver is supported by this version of the API
+        if (dditable->version < ${th.get_version(obj)}) {
+            return ${X}_RESULT_ERROR_UNSUPPORTED_VERSION;
+        }
         auto ${th.make_pfn_name(n, tags, obj)} = dditable->${th.get_table_name(n, tags, obj)}->${th.make_pfn_name(n, tags, obj)};
         if( nullptr == ${th.make_pfn_name(n, tags, obj)} )
             return ${X}_RESULT_ERROR_UNINITIALIZED;