WIP for DpctlSyclQueue support

Author: chudur-budur

numba_dpex/core/datamodel/models.py

@@ -4,7 +4,12 @@
 
 from numba.core import datamodel, types
 from numba.core.datamodel.models import ArrayModel as DpnpNdArrayModel
-from numba.core.datamodel.models import OpaqueModel, PrimitiveModel, StructModel
+from numba.core.datamodel.models import (
+    ListModel,
+    OpaqueModel,
+    PrimitiveModel,
+    StructModel,
+)
 from numba.core.extending import register_model
 
 from numba_dpex.utils import address_space
@@ -54,6 +59,21 @@ def __init__(self, dmm, fe_type):
         super(ArrayModel, self).__init__(dmm, fe_type, members)
 
 
+class ExecutionQueueModel(ListModel):
+    def __init__(self, dmm, fe_type):
+        members = [
+            (
+                "meminfo",
+                types.CPointer(fe_type.dtype, addrspace=fe_type.addrspace),
+            ),
+            (
+                "parent",
+                types.CPointer(fe_type.dtype, addrspace=fe_type.addrspace),
+            ),
+        ]
+        super(ExecutionQueueModel, self).__init__(dmm, fe_type, members)
+
+
 def _init_data_model_manager():
     dmm = datamodel.default_manager.copy()
     dmm.register(types.CPointer, GenericPointerModel)